Gaithersburg
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Gaithersburg, United States
Click any image to view larger versionPast Weather Alerts
5 of 41Test Message
Monitoring message only. Please disregard.
Winter Storm Watch
* WHAT...Heavy snow possible. Total snow accumulations of 5 inches or more are possible. * WHERE......
Cold Weather Advisory
* WHAT...Bitter cold wind chills around 10 below expected. * WHERE...In Maryland, Carroll, Frederic...
Cold Weather Advisory
* WHAT...Bitter cold wind chills as low as 10 below expected. * WHERE...Portions of DC, central, no...
Cold Weather Advisory
* WHAT...For the first Cold Weather Advisory, very cold wind chills as low as 9 below. For the secon...
Past Weather Alerts for Gaithersburg
Test Message
Monitoring message only. Please disregard.
Winter Storm Watch
* WHAT...Heavy snow possible. Total snow accumulations of 5 inches or more are possible. * WHERE...Portions of central, north central, northeast, and northern Maryland and northern Virginia. * WHEN...From Sunday afternoon through Monday morning. * IMPACTS...Travel could be very difficult, especially Sunday night into Monday morning. The hazardous conditions could impact the Monday morning commute.
Cold Weather Advisory
* WHAT...Bitter cold wind chills around 10 below expected. * WHERE...In Maryland, Carroll, Frederick MD, and Washington Counties. In West Virginia, Berkeley, Jefferson, and Morgan Counties. * WHEN...For the first Cold Weather Advisory, until 11 AM EST this morning. For the second Cold Weather Advisory, from 10 PM this evening to 1 PM EST Sunday. * IMPACTS...The cold wind chills as low as 10 below zero could result in hypothermia if precautions are not taken. Frostbite and hypothermia will occur if unprotected skin is exposed to these temperatures. Wind chill values can lead to hypothermia with prolonged exposure.
Cold Weather Advisory
* WHAT...Bitter cold wind chills as low as 10 below expected. * WHERE...Portions of DC, central, northeast, northern, and southern Maryland, and central, northern, and northwest Virginia. * WHEN...For the first Cold Weather Advisory, until 11 AM EST this morning. For the second Cold Weather Advisory, from 10 PM this evening to 1 PM EST Sunday. * IMPACTS...The cold wind chills as low as 10 below zero could result in hypothermia if precautions are not taken. Frostbite and hypothermia will occur if unprotected skin is exposed to these temperatures. Wind chill values can lead to hypothermia with prolonged exposure.
Cold Weather Advisory
* WHAT...For the first Cold Weather Advisory, very cold wind chills as low as 9 below. For the second Cold Weather Advisory, very cold wind chills as low as 8 below expected. * WHERE...Portions of DC, central, northeast, northern, and southern Maryland, and northern Virginia. * WHEN...For the first Cold Weather Advisory, until 11 AM EST this morning. For the second Cold Weather Advisory, from 8 PM this evening to 11 AM EST Saturday. * IMPACTS...The cold wind chills as low as 10 below zero could result in hypothermia if precautions are not taken. Frostbite and hypothermia will occur if unprotected skin is exposed to these temperatures. Wind chill values can lead to hypothermia with prolonged exposure. * ADDITIONAL DETAILS...Additional Cold Weather Headlines are expected at times through the end of the week as the region remains in an Arctic airmass.
Cold Weather Advisory
* WHAT...Very cold wind chills as low as 10 below. * WHERE...In Maryland, Carroll and Frederick MD Counties. In Virginia, Central Virginia Blue Ridge. * WHEN...Until 11 AM EST this morning. * IMPACTS...The cold wind chills as low as 10 below zero could result in hypothermia if precautions are not taken. Frostbite and hypothermia will occur if unprotected skin is exposed to these temperatures.
Cold Weather Advisory
* WHAT...For the first Cold Weather Advisory, very cold wind chills as low as 9 below zero. For the second Cold Weather Advisory, very cold wind chills as low as 9 below zero expected. * WHERE...Portions of DC, central, northeast, northern, and southern Maryland, and northern Virginia. * WHEN...For the first Cold Weather Advisory, until 11 AM EST this morning. For the second Cold Weather Advisory, from 7 PM this evening to 11 AM EST Friday. * IMPACTS...The cold wind chills as low as 9 below zero could result in hypothermia if precautions are not taken. Frostbite and hypothermia will occur if unprotected skin is exposed to these temperatures. Wind chill values can lead to hypothermia with prolonged exposure. Very cold temperatures can lead to hypothermia with prolonged exposure. * ADDITIONAL DETAILS...Additional Cold Weather Headlines are expected at times through the end of the week as the region remains in an Arctic airmass.
Cold Weather Advisory
* WHAT...Very cold wind chills as low as 15 below zero. * WHERE...Portions of north central and western Maryland, northwest and western Virginia, and eastern and panhandle West Virginia. * WHEN...Until 11 AM EST this morning. * IMPACTS...The cold wind chills as low as 10 below zero could result in hypothermia if precautions are not taken. Frostbite and hypothermia will occur if unprotected skin is exposed to these temperatures. Wind chill values can lead to hypothermia with prolonged exposure. * ADDITIONAL DETAILS...Additional Cold Weather Headlines are expected at times through the end of the week as the region remains in an Arctic airmass.
Cold Weather Advisory
* WHAT...For the first Cold Weather Advisory, very cold wind chills as low as 9 below zero. For the second Cold Weather Advisory, very cold wind chills as low as 9 below zero expected. * WHERE...Portions of DC, central, northeast, northern, and southern Maryland, and northern Virginia. * WHEN...For the first Cold Weather Advisory, until 11 AM EST Thursday. For the second Cold Weather Advisory, from 7 PM Thursday to 11 AM EST Friday. * IMPACTS...The cold wind chills as low as 9 below zero could result in hypothermia if precautions are not taken. Frostbite and hypothermia will occur if unprotected skin is exposed to these temperatures. Wind chill values can lead to hypothermia with prolonged exposure. Very cold temperatures can lead to hypothermia with prolonged exposure. * ADDITIONAL DETAILS...Additional Cold Weather Headlines are expected at times through the end of the week as the region remains in an Arctic airmass.
Cold Weather Advisory
* WHAT...Very cold wind chills as low as 15 below zero. * WHERE...Portions of north central and western Maryland, northwest and western Virginia, and eastern and panhandle West Virginia. * WHEN...Until 11 AM EST Thursday. * IMPACTS...The cold wind chills as low as 15 below zero could result in hypothermia if precautions are not taken. Frostbite and hypothermia will occur if unprotected skin is exposed to these temperatures. Wind chill values can lead to hypothermia with prolonged exposure. * ADDITIONAL DETAILS...Additional Cold Weather Headlines are expected at times through the end of the week as the region remains in an Arctic airmass.
Cold Weather Advisory
* WHAT...Very cold wind chills between 0 and 8 below expected. * WHERE...Washington DC, and portions of central, northeast, northern, and southern Maryland, and central, northern, and western Virginia. * WHEN...From 7 PM this evening to 11 AM EST Wednesday. * IMPACTS...The cold wind chills could result in hypothermia if precautions are not taken. Frostbite will occur if unprotected skin is exposed to these temperatures. * ADDITIONAL DETAILS...Additional Cold Weather Headlines are expected at times through the end of the week as the region remains in an Arctic Airmass.
Cold Weather Advisory
* WHAT...Very cold wind chills as low as 12 below expected. * WHERE...Portions of north central and western Maryland, central, northwest, and western Virginia, and eastern West Virginia. * WHEN...From 7 PM this evening to 11 AM EST Wednesday. * IMPACTS...The cold wind chills as low as 10 below zero could result in hypothermia if precautions are not taken. Frostbite will occur if unprotected skin is exposed to these temperatures. * ADDITIONAL DETAILS...Additional Cold Weather Headlines are expected at times through the end of the week as the region remains in an Arctic Airmass.
Cold Weather Advisory
* WHAT...For the first Cold Weather Advisory, very cold wind chills as low as 10 below zero expected. * WHERE...Portions of north central and western Maryland, northwest Virginia, and eastern and panhandle West Virginia. * WHEN...From 7 PM this evening to 11 AM EST Wednesday. * IMPACTS...The cold wind chills as low as 15 below zero could result in hypothermia if precautions are not taken. * ADDITIONAL DETAILS...Additional Cold Weather Headlines are expected at times through the end of the week as the region remains in an Arctic Airmass.
Cold Weather Advisory
* WHAT...For Cold Weather Advisory, very cold wind chills as low as 3 to 9 below zero expected. * WHERE...Portions of DC, central, northeast, northern, and southern Maryland, and central and northern Virginia. * WHEN...From 7 PM this evening to 11 AM EST Wednesday. * IMPACTS...The cold wind chills as low as 10 below zero could result in hypothermia if precautions are not taken. Frostbite and hypothermia will occur if unprotected skin is exposed to these temperatures. Wind chill values can lead to hypothermia with prolonged exposure. * ADDITIONAL DETAILS...Additional Cold Weather Headlines are expected at times through the end of the week as the region remains in an Arctic Airmass.
Winter Storm Warning
...MAJOR WINTER STORM WILL IMPACT THE REGION THIS EVENING THROUGH SUNDAY EVENING... .A large area of precipitation will overrun Arctic air in place over the Mid-Atlantic. This will lead to widespread significant snow beginning this evening, with the potential for ice Sunday especially south of Highway 50 and near and east of Interstate 95. In addition to the high threat for significant snow and ice, very cold temperatures are expected tonight through the middle of next week with sub-zero wind chills likely at times. * WHAT...Heavy mixed precipitation expected. Total snow and sleet accumulations between 6 and 10 inches, with up to 14 inches possible, especially in the far northern and western suburbs of Washington and Baltimore. Ice accumulations between one and two tenths of an inch. * WHERE...DC, portions of central, northeast, and northern Maryland, and northern Virginia. * WHEN...From 11 PM this evening to 4 AM EST Monday. * IMPACTS...Power outages and tree damage are likely due to the ice. Travel could be nearly impossible. The hazardous conditions could impact the Monday morning commute. * ADDITIONAL DETAILS...Snow will likely overspread the area tonight, becoming heavy at times with rates of one to two inches per hour possible at times. A mix with sleet or freezing rain is expected Sunday. Significant icing is possible especially south of Highway 50. Visibility of one-quarter mile or less is possible at times. A prolonged period of wind chills in the single digits and teens continues this evening and lasting through the middle of next week, with sub-zero wind chills possible at times.
Winter Storm Warning
...MAJOR WINTER STORM WILL IMPACT THE REGION THIS EVENING THROUGH SUNDAY EVENING... .A large area of precipitation will overrun Arctic air in place over the Mid-Atlantic. This will lead to widespread significant snow beginning this evening, with the potential for ice Sunday especially south of Highway 50 and near and east of Interstate 95. In addition to the high threat for significant snow and ice, very cold temperatures are expected tonight through the middle of next week with sub-zero wind chills likely at times. * WHAT...Heavy mixed precipitation expected. Total snow and sleet accumulations between 7 and 14 inches, with highest in the far northern and western suburbs of Washington and Baltimore. Ice accumulations between one and two tenths of an inch. * WHERE...Portions of DC, central, northeast, and northern Maryland, and northern Virginia. * WHEN...From 11 PM this evening to 4 AM EST Monday. * IMPACTS...Power outages and tree damage are likely due to the ice. Travel could be nearly impossible. The hazardous conditions could impact the Monday morning commute. * ADDITIONAL DETAILS...Snow will likely overspread the area tonight, becoming heavy at times with rates of one to two inches per hour possible at times. A mix with sleet or freezing rain is expected Sunday. Significant icing is possible especially south of Highway 50. Visibility of one-quarter mile or less is possible at times. A prolonged period of wind chills in the teens and single digits continues this evening and lasting through the middle of next week, with sub-zero wind chills possible at times.
Cold Weather Advisory
* WHAT...Very cold wind chills as low as 10 below expected. * WHERE...Portions of DC, central, northeast, and northern Maryland, and central, northern, northwest, and western Virginia. * WHEN...Until 10 AM EST this morning. * IMPACTS...The cold wind chills as low as 10 below zero could result in hypothermia if precautions are not taken. Wind chill values can lead to hypothermia with prolonged exposure.
Cold Weather Advisory
* WHAT...Very cold wind chills as low as 19 below expected. * WHERE...Portions of north central and western Maryland, central, northwest, and western Virginia, and eastern and panhandle West Virginia. * WHEN...Until 10 AM EST Saturday. * IMPACTS...The cold wind chills as low as 10 below zero could result in hypothermia if precautions are not taken. Frostbite and hypothermia will occur if unprotected skin is exposed to these temperatures. Very cold temperatures can lead to hypothermia with prolonged exposure.
Cold Weather Advisory
* WHAT...Very cold wind chills as low as 9 below expected. * WHERE...Portions of DC, central, northeast, and northern Maryland, and central, northern, northwest, and western Virginia. * WHEN...Until 10 AM EST Saturday. * IMPACTS...Wind chill values can lead to hypothermia with prolonged exposure.
Winter Storm Warning
...MAJOR WINTER STORM WILL IMPACT THE REGION SATURDAY EVENING THROUGH SUNDAY EVENING... .A large area of precipitation will overrun Arctic air in place over the Mid-Atlantic. This will lead to widespread significant snow beginning Saturday evening, with the potential for ice Sunday especially south of Highway 50 and near and east of Interstate 95. In addition to the high threat for significant snow and ice, very cold temperatures are expected tonight through the middle of next week with sub-zero wind chills likely at times. * WHAT...Heavy mixed precipitation expected. Total snow and sleet accumulations between 7 and 14 inches, with highest in the far northern and western suburbs of Washington and Baltimore. Ice accumulations between one and two tenths of an inch. * WHERE...Portions of DC, central, northeast, and northern Maryland, and northern Virginia. * WHEN...From 11 PM Saturday to 4 AM EST Monday. * IMPACTS...Power outages and tree damage are likely due to the ice. Travel could be nearly impossible. The hazardous conditions could impact the Monday morning commute. * ADDITIONAL DETAILS...Snow will likely overspread the area Saturday night, becoming heavy at times with rates of one to two inches per hour possible at times. A mix with sleet or freezing rain is expected Sunday. Significant icing is possible especially south of Highway 50. Visibility of one-quarter mile or less is possible at times. A prolonged period of wind chills in the teens and single digits is likely beginning this evening and lasting through the middle of next week, with sub-zero wind chills possible at times.
Winter Storm Warning
...MAJOR WINTER STORM WILL IMPACT THE REGION SATURDAY EVENING THROUGH SUNDAY EVENING... .A large area of precipitation will overrun Arctic air in place over the Mid-Atlantic. This will lead to widespread significant snow beginning Saturday evening, with the potential for ice Sunday especially south of Highway 50 and near and east of Interstate 95. In addition to the high threat for significant snow and ice, very cold temperatures are expected tonight through the middle of next week with sub-zero wind chills likely at times. * WHAT...Heavy mixed precipitation expected. Total snow and sleet accumulations between 10 and 16 inches, with highest amounts north and west of US-340. Ice accumulations up to two tenths of an inch, mainly south and east of US-340. * WHERE...Portions of north central and western Maryland, northern and northwest Virginia, and eastern and panhandle West Virginia. * WHEN...From 11 PM Saturday to 4 AM EST Monday. * IMPACTS...Travel could be very difficult to impossible. * ADDITIONAL DETAILS...Snow will likely overspread the area Saturday night, becoming heavy at times with rates of one to two inches per hour possible at times. A mix with sleet or freezing rain is expected Sunday. Visibility of one-quarter mile or less is possible at times. A prolonged period of very cold wind chills is likely beginning this evening and lasting through the middle of next week.
Cold Weather Advisory
* WHAT...Very cold wind chills as low as 8 below expected. * WHERE...Portions of DC, central, northeast, and northern Maryland, and northern and northwest Virginia. * WHEN...From 8 PM Friday to 10 AM EST Saturday. * IMPACTS...The cold wind chills of zero to 8 below zero could result in hypothermia if precautions are not taken.
Cold Weather Advisory
* WHAT...Very cold wind chills of 10 to 15 below expected. * WHERE...Portions of north central and western Maryland, northwest Virginia, and eastern and panhandle West Virginia. * WHEN...From 8 PM Friday to 10 AM EST Saturday. * IMPACTS...The dangerously cold wind chills as low as 15 below zero could cause frostbite on exposed skin in as little as 30 minutes.
Winter Storm Watch
...MAJOR WINTER STORM POSSIBLE THIS WEEKEND... .A large area of precipitation will overrun Arctic air in place over the Mid-Atlantic. This will likely lead to widespread significant snow beginning late Saturday, with the potential for ice Sunday especially south of Highway 50 and near and east of Interstate 95. In addition to the high threat for significant snow and ice, very cold temperatures are expected Friday night through the middle of next week with sub-zero wind chills likely at times. * WHAT...Heavy snow mixed with sleet and freezing rain possible. There is a high likelihood of at least 5 inches of snow, with over 10 inches possible. Ice accumulation is also possible. * WHERE...Portions of DC, central, northeast, northern, and southern Maryland, and central and northern Virginia. * WHEN...From Saturday evening through Monday morning. * IMPACTS...Travel could be very difficult. The hazardous conditions could impact the Monday morning commute. * ADDITIONAL DETAILS...Snow will likely overspread the area Saturday evening, becoming heavy at times late Saturday night with rates of one to two inches per hour possible at times. A mix with sleet or freezing rain is possible Sunday. Significant icing is possible especially south of Highway 50. Visibility of one-quarter mile or less is possible at times. A prolonged period wind chills in the teens and single digits is likely beginning Friday evening and lasting through the middle of next week, with sub-zero wind chills possible at times.
Winter Storm Watch
...MAJOR WINTER STORM POSSIBLE THIS WEEKEND... .A large area of precipitation will overrun Arctic air in place over the Mid-Atlantic. This will likely lead to widespread significant snow beginning late Saturday, with the potential for ice Sunday especially south of Highway 50 and near and east of Interstate 95. In addition to the high threat for significant snow and ice, very cold temperatures are expected Friday night through the middle of next week with sub-zero wind chills likely at times. * WHAT...Heavy snow mixed with sleet and freezing rain possible. There is a high likelihood of at least 5 inches of snow, with over 10 inches possible. Ice accumulation is also possible, especially south of Interstate 70. * WHERE...Portions of central, north central, and northern Maryland, central, northern, northwest, and western Virginia, and eastern and panhandle West Virginia. * WHEN...From Saturday afternoon through late Sunday night. * IMPACTS...Travel could be very difficult. * ADDITIONAL DETAILS...Snow will likely overspread the area by Saturday evening, becoming heavy at times Saturday night with rates of one to two inches per hour possible at times. A mix with sleet or freezing rain is possible Sunday, especially south of Interstate 70. Significant icing is possible especially across central Virginia. Visibility of one-quarter mile or less is possible at times. A prolonged period wind chills in the teens and single digits is likely beginning Friday evening and lasting through the middle of next week, with sub-zero wind chills possible at times.
Winter Storm Watch
...MAJOR WINTER STORM POSSIBLE THIS WEEKEND... .A large area of precipitation will overrun Arctic air in place over the Mid-Atlantic. This will likely lead to widespread significant snow beginning late Saturday, with the potential for ice Sunday especially south of Highway 50 and near and east of Interstate 95. In addition to the high threat for significant snow and ice, very cold temperatures are expected Friday night through the middle of next week with sub-zero wind chills likely at times. * WHAT...Heavy snow mixed with sleet and freezing rain possible. There is a high likelihood of at least 5 inches of snow, with over 10 inches possible. Ice accumulation is also possible, especially south of Interstate 70. * WHERE...Portions of central, north-central, and northern Maryland, central, northern, northwest, and western Virginia, and eastern West Virginia. * WHEN...From Saturday afternoon through late Sunday night. * IMPACTS...Travel could be very difficult. * ADDITIONAL DETAILS...Snow will likely overspread the area by Saturday evening, becoming heavy at times Saturday night with rates of one to two inches per hour possible at times. A mix with sleet or freezing rain is possible Sunday, especially south of Interstate 70. Significant icing is possible especially across central Virginia. Visibility of one-quarter mile or less is possible at times. A prolonged period wind chills in the teens and single digits is likely beginning Friday evening and lasting through the middle of next week, with sub-zero wind chills possible at times.
Winter Storm Watch
...MAJOR WINTER STORM POSSIBLE THIS WEEKEND... .A large area of precipitation will overrun Arctic air in place over the Mid-Atlantic. This will likely lead to widespread significant snow beginning late Saturday, with the potential for ice Sunday especially south of Highway 50 and near and east of Interstate 95. In addition to the high threat for significant snow and ice, very cold temperatures are expected Friday night through the middle of next week with sub-zero wind chills likely at times. * WHAT...Heavy snow mixed with sleet and freezing rain possible. There is a high likelihood of at least 5 inches of snow, with over 10 inches possible. Ice accumulation is also possible. * WHERE...DC, and portions of central, northeast, northern, and southern Maryland, and central and northern Virginia. * WHEN...From Saturday evening through Monday morning. * IMPACTS...Travel could be very difficult. The hazardous conditions could impact the Monday morning commute. * ADDITIONAL DETAILS...Snow will likely overspread the area Saturday evening, becoming heavy at times late Saturday night with rates of one to two inches per hour possible at times. A mix with sleet or freezing rain is possible Sunday. Significant icing is possible especially south of Highway 50. Visibility of one-quarter mile or less is possible at times. A prolonged period wind chills in the teens and single digits is likely beginning Friday evening and lasting through the middle of next week, with sub-zero wind chills possible at times.
Wind Advisory
* WHAT...West winds 20 to 30 mph with gusts around 45 to 50 mph. There may be a lull in the wind gusts between 3 AM and 7 AM, but winds will increase again later Tuesday morning before gradually subsiding during the afternoon. * WHERE...In Maryland, Washington County. In Virginia, Clarke and Frederick VA Counties. In West Virginia, Hampshire, Hardy, Berkeley, Jefferson, and Morgan Counties. * WHEN...Until noon EST today. * IMPACTS...Gusty winds will blow around unsecured objects. Tree limbs could be blown down and a few power outages may result.
Wind Advisory
* WHAT...West winds 20 to 30 mph with gusts around 45 to 50 mph. There may be a lull in the wind gusts between 3 AM and 7 AM, but winds will increase again later Tuesday morning before gradually subsiding during the afternoon. * WHERE...Portions of DC, central, north central, northeast, and northern Maryland, and northern Virginia. * WHEN...Until noon EST today. * IMPACTS...Gusty winds will blow around unsecured objects. Tree limbs could be blown down and a few power outages may result.
Wind Advisory
* WHAT...West winds 20 to 30 mph with gusts up to 50 mph. * WHERE...DC, and portions of central, north-central, northeast, northern, and southern Maryland, and central, northern, and northwest Virginia. * WHEN...Until 1 AM EST Tuesday. * IMPACTS...Gusty winds will blow around unsecured objects. Tree limbs could be blown down and a few power outages may result.
Wind Advisory
* WHAT...West winds 20 to 35 mph with gusts up to 55 mph. Isolated wind gusts in excess of 60 mph are possible over the Catoctin and Blue Ridge Mountains. * WHERE...Portions of north-central Maryland, northwest and western Virginia, and eastern West Virginia. * WHEN...Until 1 AM EST Tuesday. * IMPACTS...Gusty winds will blow around unsecured objects. Tree limbs could be blown down and a few power outages may result.
Wind Advisory
* WHAT...West winds 20 to 30 mph with gusts up to 55 mph expected. * WHERE...Portions of north central Maryland, northwest and western Virginia, and eastern and panhandle West Virginia. * WHEN...From 7 AM Monday to 1 AM EST Tuesday. * IMPACTS...Gusty winds will blow around unsecured objects. Tree limbs could be blown down and a few power outages may result.
Wind Advisory
* WHAT...West winds 20 to 30 mph with gusts up to 50 mph expected. * WHERE...Portions of DC, central, north central, northeast, northern, and southern Maryland, and central, northern, and northwest Virginia. * WHEN...From 9 AM Monday to 1 AM EST Tuesday. * IMPACTS...Gusty winds will blow around unsecured objects. Tree limbs could be blown down and a few power outages may result.
Winter Weather Advisory
* WHAT...Mixed precipitation. Additional snow and sleet accumulations of a coating and ice accumulations around one tenth of an inch. * WHERE...Northwest Howard, Carroll, Frederick MD, and Northern Baltimore Counties. * WHEN...Until midnight EST tonight. * IMPACTS...Plan on slippery road conditions. The hazardous conditions will impact the evening commute. * ADDITIONAL DETAILS...Freezing rain with some sleet mixing in will continue through the evening, although some lower elevations may just be plain rain. Temperatures will continue rising above freezing from south to north into the evening, allowing more places to change to rain, although some locations may hover near the freezing mark through tonight. Precipitation exits off to the northeast with some light drizzle or freezing drizzle possibly lingering into the early overnight hours.
Winter Weather Advisory
...A MIXTURE OF FREEZING RAIN AND SLEET TO OVERSPREAD AREAS NORTH OF I-66/U.S. 50 ON FRIDAY... .As high pressure builds across Quebec, a steady stream of cold air will funnel southward into the Mid-Atlantic region. At the same time, moisture will overrrun a frontal boundary across the central Appalachians down into the Carolinas. As milder air will settle above the sub-freezing surface layer, a wintry mix consisting of freezing rain and sleet is likely over portions of the area. Travel impacts are likely where the wintry mix falls. * WHAT...Mixed precipitation expected. Total snow and sleet accumulations up to one inch and ice accumulations around one tenth of an inch, with closer to a trace to a few hundredths of an inch near U.S. 50. * WHERE...Portions of north central and western Maryland, northwest Virginia, and eastern panhandle West Virginia. * WHEN...From 10 AM to 11 PM EST Friday. * IMPACTS...Plan on slippery road conditions. The hazardous conditions could impact the Friday evening commute. * ADDITIONAL DETAILS...Precipitation is likely to overspread the area late Friday morning in the form of sleet or freezing rain. Freezing rain with some sleet mixing in will continue through the afternoon and evening. Through the day, temperatures are expected to remain close to 32 degrees before warming above freezing during the overnight hours.
Winter Weather Advisory
...A MIXTURE OF FREEZING RAIN AND SLEET TO OVERSPREAD AREAS NORTH OF I-66/U.S. 50 ON FRIDAY... .As high pressure builds across Quebec, a steady stream of cold air will funnel southward into the Mid-Atlantic region. At the same time, moisture will overrrun a frontal boundary across the central Appalachians down into the Carolinas. As milder air will settle above the sub-freezing surface layer, a wintry mix consisting of freezing rain and sleet is likely over portions of the area. Travel impacts are likely where the wintry mix falls. * WHAT...Mixed precipitation expected. Total snow and sleet accumulations up to one inch and ice accumulations around one tenth of an inch, with closer to a trace to a few hundredths of an inch to the south of I-70. * WHERE...Portions of central, north central, and northern Maryland and northern Virginia. * WHEN...From noon Friday to midnight EST Friday Night. * IMPACTS...Plan on slippery road conditions. The hazardous conditions could impact the Friday evening commute. * ADDITIONAL DETAILS...Precipitation is likely to overspread the area by midday Friday in the form of sleet or freezing rain. Freezing rain with some sleet mixing in will continue through the afternoon and evening. A bit more sleet can be expected closer to the Maryland-Pennsylvania border. Through the day, temperatures are expected to remain close to 32 degrees. Precipitation exits off to the northeast with some light drizzle or freezing drizzle possibly lingering into the early overnight hours.
Winter Weather Advisory
...FIRST WIDESPREAD WINTER EVENT OF THE SEASON... .Precipitation is expected to overspread the area after midnight tonight from southwest to northeast. While precipitation is likely to start as snow areawide, it is expected to mix with and change to sleet and freezing rain for most of the area. Locations along and south of US-50/I-66 likely end the event as rain as temperatures warm through the morning. Areas along the Mason-Dixon Line are most likely to remain all snow through the event, but that remains uncertain given exact low track. The Tuesday morning commute could be impacted for all areas in the Winter Weather Advisory. Updates to the forecast are likely, so please remain weather aware for the first widespread winter event of the season. * WHAT...Mixed precipitation expected. Total snow and sleet accumulations of 1 to 2 inches, with locally higher amounts upwards of 4 inches possible near the Mason-Dixon Line and higher elevations such as Parr's Ridge. Ice accumulations up to one tenth of an inch. * WHERE...Portions of north central and northern Maryland and eastern West Virginia. * WHEN...From 3 AM to 1 PM EST Tuesday. * IMPACTS...Plan on slippery road conditions. The hazardous conditions could impact the Tuesday morning commute. * ADDITIONAL DETAILS...Precipitation is expected to overspread the area after midnight tonight. Precipitation is expected to start as snow before mixing with sleet and freezing rain. Should precipitation stay all snow or snow for a longer period of time, locally higher snowfall amounts would be possible.
Winter Weather Advisory
...FIRST WIDESPREAD WINTER EVENT OF THE SEASON... .Precipitation is expected to overspread the area after midnight tonight from southwest to northeast. While precipitation is likely to start as snow areawide, it is expected to mix with and change to sleet and freezing rain for most of the area. Locations along and south of US-50/I-66 likely end the event as rain as temperatures warm through the morning. Areas along the Mason-Dixon Line are most likely to remain all snow through the event, but that remains uncertain given exact low track. The Tuesday morning commute could be impacted for all areas in the Winter Weather Advisory. Updates to the forecast are likely, so please remain weather aware for the first widespread winter event of the season. * WHAT...Mixed precipitation expected, with a majority of the precipitation expected in the form of freezing rain. Total snow and sleet accumulations up to one inch and ice accumulations around one tenth of an inch, with upwards of two tenths of an inch possible on the higher ridges. * WHERE...Portions of central, northern, northwest, and western Virginia and eastern West Virginia. * WHEN...From 1 AM to noon EST Tuesday. * IMPACTS...Plan on slippery road conditions. The hazardous conditions could impact the Tuesday morning commute. * ADDITIONAL DETAILS...Precipitation is expected to overspread the area after midnight tonight. Precipitation is expected to start briefly as snow before mixing with and changing over to sleet and freezing rain.
Winter Weather Advisory
...FIRST WIDESPREAD WINTER EVENT OF THE SEASON... .Precipitation is expected to overspread the area after midnight tonight from southwest to northeast. While precipitation is likely to start as snow areawide, it is expected to mix with and change to sleet and freezing rain for most of the area. Locations along and south of US-50/I-66 likely end the event as rain as temperatures warm through the morning. Areas along the Mason-Dixon are most likely to remain all snow through the event, but that remains uncertain given exact low track. The Tuesday morning commute could be impacted for all areas in the Winter Weather Advisory. Updates to the forecast are likely, so please remain weather aware for the first widespread winter event of the season. * WHAT...Mixed precipitation expected. Total snow and sleet accumulations of 1 to 2 inches, with locally higher amounts upwards of 4 inches possible near the Mason-Dixon and higher elevations such as Parr's Ridge. Ice accumulations around up to one tenth of an inch. * WHERE...Portions of north central and northern Maryland and panhandle West Virginia. * WHEN...From 3 AM to 1 PM EST Tuesday. * IMPACTS...Plan on slippery road conditions. The hazardous conditions could impact the Tuesday morning commute. * ADDITIONAL DETAILS...Precipitation is expected to overspread the area after after midnight tonight. Precipitation is expected to start as snow before mixing with sleet and freezing rain. Should precipitation stay all snow or snow for a longer period of time, locally higher snowfall amounts would be possible.
Winter Weather Advisory
...FIRST WIDESPREAD WINTER EVENT OF THE SEASON... .Precipitation is expected to overspread the area after midnight tonight from southwest to northeast. While precipitation is likely to start as snow areawide, it is expected to mix with and change to sleet and freezing rain for most of the area. Locations along and south of US-50/I-66 likely end the event as rain as temperatures warm through the morning. Areas along the Mason-Dixon are most likely to remain all snow through the event, but that remains uncertain given exact low track. The Tuesday morning commute could be impacted for all areas in the Winter Weather Advisory. Updates to the forecast are likely, so please remain weather aware for the first widespread winter event of the season. * WHAT...Mixed precipitation expected, with a majority of the precipitation expected in the form of freezing rain. Total snow and sleet accumulations up to one inch and ice accumulations around one tenth of an inch, with upwards of two tenths of an inch possible on the higher ridges. * WHERE...Portions of central, northern, northwest, and western Virginia and eastern West Virginia. * WHEN...From 1 AM to noon EST Tuesday. * IMPACTS...Plan on slippery road conditions. The hazardous conditions could impact the Tuesday morning commute. * ADDITIONAL DETAILS...Precipitation is expected to overspread the area after after midnight tonight. Precipitation is expected to start briefly as snow before mixing with and changing over to sleet and freezing rain.
Dense Fog Advisory
* WHAT...Visibility one quarter miles or less in dense fog. * WHERE...Portions of north central and western Maryland, northern and northwest Virginia, and eastern and panhandle West Virginia. * WHEN...Until 8 AM EST this morning. * IMPACTS...Low visibility could make driving conditions hazardous.