Winter Storm Warning
* WHAT...Heavy snow. Additional snow accumulations of 1 to 2 feet
above 7000 feet with up to 3 feet locally on highest peaks. Snow
accumulations of 4 to 12 inches at lake level with up to 16 inches
for communities along and west of Highway 89. Wind gusts of 25 to
40 mph with ridgetop winds gusting over 70 mph at times. Wind
gusts up to 40 mph and wave heights of 1 to 3 feet on Lake Tahoe.
* WHERE...Greater Lake Tahoe Area.
* WHEN...Until 10 AM PST Monday.
* IMPACTS...Travel could be very difficult to impossible. The
hazardous conditions will impact weekend travel and the Monday
morning commute in and across the Sierra. Strong winds could cause
damage to trees and power lines.
From: Jan 04, 2026 08:51
Until: Jan 05, 2026 18:00
Flood Watch
* WHAT...Flooding caused by excessive rainfall continues to be
possible. Additional rainfall of 1 to 3 inches is expected below
4000 ft, highest in the foothills.
* WHERE...A portion of northern California below 4000 feet in
elevation, including the following areas, Sacramento Valley,
Motherlode, Mountains Southwestern Shasta County to Western Colusa
County, Northeast foothills, and Shasta Lake Area / Northern
Shasta County.
* WHEN...Through Monday afternoon.
* IMPACTS...Excessive runoff will result in rises along area rivers,
creeks, streams. Small streams and creeks may rise out of their
banks. Flooding may occur in low-lying, poor drainage, and urban
areas. Mudslides and rockslides may occur in mountain and foothill
areas.
* ADDITIONAL DETAILS...
- http://www.weather.gov/safety/flood
From: Jan 04, 2026 07:55
Until: Jan 05, 2026 00:15
Winter Storm Warning
* WHAT...Heavy snow expected above 5000 feet. Additional snow
accumulations of 4 to 8 inches above 4500 feet. 1 to 2 feet above
5000 feet, and 2 to 4 feet above 6000 feet. Locally higher amounts
over the highest peaks. Winds gusting as high as 55 mph.
* WHERE...West Slope Northern Sierra Nevada and Western Plumas
County/Lassen Park above 5000 feet.
* WHEN...Until 4 PM PST Monday.
* IMPACTS...Travel could be very difficult to impossible. The
hazardous conditions could impact weekend travel and the Monday
morning commute. Strong winds could cause tree damage.
* ADDITIONAL DETAILS...Snow levels around 5000 to 6000 on Sunday,
lowering further to around 4000 to 5000 feet by early Monday
morning. Heaviest snow expected on Sunday.
From: Jan 04, 2026 07:53
Until: Jan 05, 2026 00:15
Flood Watch
An Atmospheric River Event will bring moderate to heavy rain this
weekend through Monday evening. The prolonged period of rain will
bring the risk of flooding to the Sacramento Valley, Shasta County,
northern Sierra Nevada and adjacent foothills, as well as the
Coastal Range. This will be for elevations below 4000 feet.
* WHAT...Flooding caused by excessive rainfall continues to be
possible.
* WHERE...A portion of northern California below 4000 feet in
elevation, including the following areas, Sacramento Valley,
Motherlode, Mountains Southwestern Shasta County to Western Colusa
County, Northeast foothills, and Shasta Lake Area / Northern
Shasta County.
* WHEN...Through Monday afternoon.
* IMPACTS...Excessive runoff will result in rises along area rivers,
creeks, streams. Small streams and creeks may rise out of their
banks. Flooding may occur in low-lying, poor drainage, and urban
areas. Mudslides and rockslides may occur in mountain and foothill
areas.
* ADDITIONAL DETAILS...
- http://www.weather.gov/safety/flood
From: Jan 03, 2026 18:32
Until: Jan 05, 2026 00:00
Winter Storm Warning
* WHAT...Heavy snow expected. Total snow accumulations of 6 to 10
inches above 4500 feet. 1 to 3 feet above 5000 feet, and 3 to 5
feet above 6000 feet. Locally higher amounts at highest peaks.
Winds gusting as high as 55 mph.
* WHERE...West Slope Northern Sierra Nevada and Western Plumas
County/Lassen Park Counties.
* WHEN...Until 4 PM PST Monday.
* IMPACTS...Travel could be very difficult to impossible. The
hazardous conditions could impact this evening through Monday
morning commutes. Strong winds could cause tree damage.
* ADDITIONAL DETAILS...Snow levels will continue to lower to 5000 to
6000 feet this afternoon and Sunday, and further to around 4500 to
5000 feet by early Monday morning. Heaviest snow expected on
Sunday.
From: Jan 03, 2026 18:44
Until: Jan 05, 2026 00:00
Flood Advisory
* WHAT...Flooding caused by excessive rainfall continues.
* WHERE...Portions of central and northern California, including the
following counties, in central California, Placer. In northern
California, Amador, Calaveras, El Dorado, Nevada, Sacramento, San
Joaquin, Solano, Sutter and Yolo.
* WHEN...Until 300 PM PST.
* IMPACTS...Minor flooding in low-lying and poor drainage areas.
Water over roadways. Ponding of water in urban or other areas is
occurring or is imminent.
* ADDITIONAL DETAILS...
- At 1009 AM PST, Doppler radar indicated heavy rain.
Overflowing poor drainage areas will cause minor flooding in
the advisory area. Between 0.5 and 2 inches of rain have
fallen.
- Some locations that will experience flooding include...
Sacramento, Stockton, Elk Grove, Roseville, Citrus Heights,
Folsom, Davis, Rocklin, Woodland, Galt, Auburn, Placerville,
Jackson, Fair Oaks, Carmichael, El Dorado Hills, Cameron
Park, Paloma, Rancho Cordova and Lodi.
- http://www.weather.gov/safety/flood
From: Jan 04, 2026 18:10
Until: Jan 04, 2026 23:00
Winter Storm Warning
* WHAT...Heavy snow. Additional snow accumulations of 1 to 2 feet
above 7000 feet with up to 3 feet locally on highest peaks. Snow
accumulations of 4 to 12 inches at lake level with up to 16 inches
for communities along and west of Highway 89. Wind gusts of 35 to
45 mph with ridgetop winds gusting over 100 mph at times. Wind
gusts up to 40 mph and wave heights of 1 to 3 feet on Lake Tahoe.
* WHERE...Greater Lake Tahoe Area.
* WHEN...Until 10 AM PST Monday.
* IMPACTS...Travel could be very difficult to impossible. The
hazardous conditions will impact weekend travel and the Monday
morning commute in and across the Sierra. Strong winds could cause
damage to trees and power lines.
From: Jan 03, 2026 21:22
Until: Jan 04, 2026 21:45
Lake Wind Advisory
* WHAT...South winds 15 to 25 mph with gusts up to 35 mph and waves
1 to 3 feet for Pyramid Lake.
* WHERE...Western Nevada Basin and Range including Pyramid Lake.
* WHEN...Until 1 PM PST this afternoon.
* IMPACTS...Small boats, kayaks and paddle boards will be prone to
capsizing and should remain off lake waters until conditions
improve.
From: Jan 04, 2026 08:56
Until: Jan 04, 2026 21:00
Avalanche Watch
AVAREV
The following message is transmitted at the request of the U.S.
Forest Service Sierra Avalanche Center.
The Sierra Avalanche Center in Truckee has issued a BACKCOUNTRY
AVALANCHE WATCH for the following areas: NWS Reno NV - NVZ002
(Greater Lake Tahoe)...CAZ072 (Greater Lake Tahoe (CA))
* WHAT...HIGH avalanche danger may occur in the backcountry starting
late Saturday afternoon or evening, potentially lasting through
Sunday night.
* WHERE...Central Sierra Nevada Mountains between Yuba Pass (Hwy 49)
on the north and Ebbetts Pass (Hwy 4) on the south, including
the greater Lake Tahoe area. This applies only backcountry
areas, not to ski areas and highways where avalanche mitigation
programs exist.
* WHEN...In effect from Sat 15:00 PST to Sun 05:00 PST.
* IMPACTS...A powerful storm with rapidly accumulating snowfall and
strong winds may cause widespread avalanche activity in the
mountains. Large avalanches capable of burying or injuring
people could occur in backcountry areas.
* PRECAUTIONARY / PREPAREDNESS ACTIONS...Very dangerous avalanche
conditions could occur in the backcountry. Traveling in, near,
or below backcountry avalanche terrain during HIGH avalanche
danger is not recommended.
Consult https://www.sierraavalanchecenter.org/ or www.avalanche.org
for more detailed information.
Similar avalanche danger may exist at locations outside the coverage
area of this or any avalanche center.
From: Jan 03, 2026 16:24
Until: Jan 04, 2026 16:30
Lake Wind Advisory
* WHAT...South winds 15 to 25 mph with gusts up to 40 mph and waves
2 to 4 feet for Pyramid Lake.
* WHERE...Western Nevada Basin and Range including Pyramid Lake.
* WHEN...Until 1 PM PST Sunday.
* IMPACTS...Small boats, kayaks and paddle boards will be prone to
capsizing and should remain off lake waters until conditions
improve.
From: Jan 03, 2026 09:48
Until: Jan 04, 2026 15:45
Avalanche Watch
AVAREV
The following message is transmitted at the request of the
Eastern Sierra Avalanche Center.
BACKCOUNTRY AVALANCHE WATCH
IMMEDIATE BROADCAST REQUESTED
07:00 PST Sat Jan 03 2026
The Eastern Sierra Avalanche Center in Mammoth Lakes has issued a BACKCOUNTRY AVALANCHE WATCH for the following areas:
NWS Las Vegas NV - CA-519 (Eastern Sierra in Inyo County)
NWS Reno NV - CA-073 (Eastern Sierra in Mono County)
* WHAT...The avalanche danger is expected to rise to HIGH through today. Dangerous avalanche conditions are expected to continue into tomorrow.
* WHERE...The eastern slopes of the Sierra Nevada mountain range between Virginia Lakes to the north and Bishop Creek to the south.
* WHEN...In effect from Sat 07:00 PST to Sun 07:00 PST.
* IMPACTS...Heavy snowfall combined with strong to extreme winds will likely create widespread areas of unstable snow.
* PRECAUTIONARY / PREPAREDNESS ACTIONS...Very dangerous avalanche conditions are expected to develop within the next 24 hours. Avalanches may run long distances, into mature forests, valley floors, or flat terrain.
Consult http://www.esavalanche.org/ or www.avalanche.org for more detailed information.
Similar avalanche danger may exist at locations outside the coverage area of this or any avalanche center.
From: Jan 03, 2026 14:21
Until: Jan 04, 2026 15:00
Flood Advisory
* WHAT...Urban and small stream flooding caused by excessive
rainfall continues.
* WHERE...A portion of northern California, including the following
counties, Amador, Calaveras, El Dorado, Sacramento, San Joaquin,
Stanislaus and Tuolumne.
* WHEN...Until 1100 PM PST.
* IMPACTS...Minor flooding in low-lying and poor drainage areas.
Risk of mud and rock slides in the foothills.
* ADDITIONAL DETAILS...
- At 731 PM PST, Doppler radar and automated rain gauges
indicated heavy rain. This will cause urban and small stream
flooding. Between 0.5 and 1.25 inches of rain have fallen in
the past 6 hours.
- Some locations that will experience flooding
include...Oakdale, Placerville, Sonora, Jackson, San Andreas,
Paloma, Cameron Park, El Dorado Hills, Waterford, Ione,
Rancho Murieta, Valley Springs, Angels City, Campo Seco,
Rancho Calaveras, Hodson, Mountain Ranch, Clinton, Glencoe
and Milton.
- http://www.weather.gov/safety/flood
From: Jan 04, 2026 03:49
Until: Jan 04, 2026 07:00
Winter Storm Warning
* WHAT...Heavy snow expected above 5000 feet. Total snow
accumulations of 1 to 2 feet above 5000 feet, with 2 to 5 feet
above 6000 feet. Locally higher amounts at highest peaks. Winds
gusting as high as 55 mph.
* WHERE...West Slope Northern Sierra Nevada and Western Plumas
County/Lassen Park Counties.
* WHEN...From 10 PM this evening to 4 PM PST Monday.
* IMPACTS...Travel could be very difficult to impossible. The
hazardous conditions could impact this evening through Monday
morning commutes. Strong winds could cause tree damage.
* ADDITIONAL DETAILS...Snow levels 6500-7500 feet tonight into
Saturday morning, lowering to 5000 to 6000 feet Saturday afternoon
into Sunday, and further to around 4500 to 5500 feet by early
Monday morning. Heaviest snow expected on Sunday.
From: Jan 02, 2026 18:43
Until: Jan 04, 2026 00:00
Flood Watch
An Atmospheric River Event will bring moderate to heavy rain this
evening through Monday evening. The prolonged period of rain will
bring the risk of flooding to the Sacramento Valley, Shasta County,
northern Sierra Nevada and adjacent foothills, as well as the
Coastal Range. This will be for elevations below 4000 feet.
* WHAT...Flooding caused by excessive rainfall is possible.
* WHERE...A portion of northern California below 4000 feet in
elevation, including the following areas, Sacramento Valley,
Motherlode, Mountains Southwestern Shasta County to Western Colusa
County, Northeast Foothills, and Shasta Lake Area / Northern
Shasta County.
* WHEN...From this evening through Monday afternoon.
* IMPACTS...Excessive runoff will result in rises along area rivers,
creeks, streams. Small streams and creeks may rise out of their
banks. Flooding may occur in low-lying, poor drainage, and urban
areas. Mudslides and rockslides may occur in mountain and foothill
areas.
* ADDITIONAL DETAILS...
- http://www.weather.gov/safety/flood
From: Jan 02, 2026 17:25
Until: Jan 04, 2026 00:00
Winter Storm Warning
* WHAT...Heavy snow. Snow accumulations of 1 to 3 feet above 7000
feet with 4 to 12 inches at lake level. Wind gusts of 35 to 45 mph
with ridgetop winds gusting over 100 mph at times. Wind gusts up
to 40 mph and wave heights of 1 to 3 feet on Lake Tahoe.
* WHERE...Greater Lake Tahoe Area.
* WHEN...Until 10 AM PST Monday.
* IMPACTS...Travel could be very difficult to impossible. The
hazardous conditions will impact weekend travel and the Monday
morning commute in and across the Sierra. Strong winds could cause
damage to trees and power lines.
From: Jan 03, 2026 09:56
Until: Jan 04, 2026 00:00
Winter Storm Warning
* WHAT...Heavy snow. Snow accumulations of 1 to 3 feet above 7000
feet with 4 to 12 inches at lake level. Wind gusts of 35 to 45 mph
with ridgetop winds gusting over 100 mph at times. Wind gusts up
to 40 mph and wave heights of 1 to 3 feet on Lake Tahoe.
* WHERE...Greater Lake Tahoe Area.
* WHEN...From midnight tonight to 10 AM PST Monday.
* IMPACTS...Travel could be very difficult to impossible. The
hazardous conditions will impact weekend travel and the Monday
morning commute in and across the Sierra. Strong winds could cause
damage to trees and power lines.
From: Jan 02, 2026 22:49
Until: Jan 03, 2026 23:00
Lake Wind Advisory
* WHAT...South winds 15 to 25 mph with gusts up to 40 mph and waves
2 to 4 feet for Pyramid Lake.
* WHERE...Western Nevada Basin and Range including Pyramid Lake.
* WHEN...From 4 AM Saturday to 1 PM PST Sunday.
* IMPACTS...Small boats, kayaks and paddle boards will be prone to
capsizing and should remain off lake waters until conditions
improve.
From: Jan 02, 2026 09:59
Until: Jan 03, 2026 12:00
Winter Storm Warning
* WHAT...Heavy snow expected above 5000 feet. Total snow
accumulations of 6 to 12 inches above 5000 feet, with 2 to 4 feet
above 6000 feet. Locally higher amounts at highest peaks. Winds
gusting as high as 55 mph.
* WHERE...West Slope Northern Sierra Nevada and Western Plumas
County/Lassen Park above 5000 feet.
* WHEN...From 10 PM Friday to 4 PM PST Monday.
* IMPACTS...Travel could be very difficult to impossible. The
hazardous conditions could impact the Friday evening through
Monday morning commutes. Strong winds could cause tree damage.
* ADDITIONAL DETAILS...Snow levels 6500-7500 feet Friday night into
Saturday morning, lowering to 5000 to 6000 feet Saturday afternoon
into Sunday, and further to around 4500 to 5500 feet by early
Monday morning. Heaviest snow expected on Sunday.
From: Jan 01, 2026 21:14
Until: Jan 03, 2026 00:15
Winter Storm Warning
* WHAT...Heavy snow. Snow accumulations of 1 to 3 feet above 7000
feet with 4 to 10 inches at lake level. Ridgetop winds gusting to
over 100 mph at times. Wind gusts of 40 mph and wave heights of 1
to 3 feet on Lake Tahoe.
* WHERE...Greater Lake Tahoe Area.
* WHEN...From 12 AM PST Saturday to 10 AM PST Monday.
* IMPACTS...Travel could be very difficult to impossible. The
hazardous conditions will impact weekend travel in and across the
Sierra. Strong winds could cause damage to trees and power lines.
From: Jan 01, 2026 20:16
Until: Jan 02, 2026 21:15
Winter Storm Watch
* WHAT...Heavy snow possible. Accumulations are uncertain at this
time but may range from 2 to 4 feet above 5000 feet. Locally
higher amounts are possible at higher elevations. Winds could gust
as high as 45 mph.
* WHERE...West Slope Northern Sierra Nevada and Western Plumas
County/Lassen Park Counties.
* WHEN...From Friday afternoon through Sunday morning.
* IMPACTS...Dangerous travel conditions with chain controls and road
closures possible. Low visibility due to combination of wind and
heavy snow.
* ADDITIONAL DETAILS...Snow accumulations remain above pass level
through Friday afternoon, then drop to 5000 to 6000 feet late
Friday night into Saturday. Potential for mountain snow to
continue into early next week.
From: Dec 31, 2025 19:44
Until: Jan 02, 2026 00:00
Winter Weather Advisory
Freezing rain this evening into the morning of New Year's Day will
be light and isolated, but could create slick, icy roadways for
holiday travel across colder valleys of northeast California and the
eastern Sierra.
...WINTER STORM WATCH IN EFFECT FROM FRIDAY AFTERNOON THROUGH SUNDAY
MORNING...
* WHAT...For the Winter Weather Advisory...Freezing rain. Ice
accumulations up to a tenth of an inch in the Martis Valley and
along Highway 395 in Mono County. For the Winter Storm Watch...
Heavy snow. Snow accumulations of 1 to 2 feet above 7000 feet and
up to 12 inches below 7000 feet. Sierra crest ridgetops could see
gusts as high as 100 mph.
* WHERE...Greater Lake Tahoe Area, and Mono County.
* WHEN...For the Winter Weather Advisory...from 4 PM this afternoon
to noon PST Thursday. For the Winter Storm Watch...from Friday
afternoon through Sunday morning.
* IMPACTS...Difficult travel conditions are possible. The hazardous
conditions could impact holiday travel tonight and Thursday
morning. For this weekend, travel could become very difficult at
times due to heavy snow.
* ADDITIONAL DETAILS...Light freezing rain tonight through Thursday
morning will be isolated and confined to colder valleys, but may
create slick, icy roadways in the Martis Valley, including
Interstate 80 near Truckee, and along Highway 395 in Mono County.
Snow accumulations of 6 to 10 inches possible along the Sierra
crest in Mono County through Thursday morning.
From: Dec 31, 2025 20:08
Until: Jan 01, 2026 21:15
Winter Storm Watch
Freezing rain this evening into the morning of New Year's Day will
be light and isolated, but could create slick, icy roadways for
holiday travel across colder valleys of northeast California and the
eastern Sierra.
...WINTER STORM WATCH IN EFFECT FROM FRIDAY AFTERNOON THROUGH SUNDAY
MORNING...
* WHAT...For the Winter Weather Advisory...Freezing rain. Ice
accumulations up to a tenth of an inch in the Martis Valley and
along Highway 395 in Mono County. For the Winter Storm Watch...
Heavy snow. Snow accumulations of 1 to 2 feet above 7000 feet and
up to 12 inches below 7000 feet. Sierra crest ridgetops could see
gusts as high as 100 mph.
* WHERE...Greater Lake Tahoe Area, and Mono County.
* WHEN...For the Winter Weather Advisory...from 4 PM this afternoon
to noon PST Thursday. For the Winter Storm Watch...from Friday
afternoon through Sunday morning.
* IMPACTS...Difficult travel conditions are possible. The hazardous
conditions could impact holiday travel tonight and Thursday
morning. For this weekend, travel could become very difficult at
times due to heavy snow.
* ADDITIONAL DETAILS...Light freezing rain tonight through Thursday
morning will be isolated and confined to colder valleys, but may
create slick, icy roadways in the Martis Valley, including
Interstate 80 near Truckee, and along Highway 395 in Mono County.
Snow accumulations of 6 to 10 inches possible along the Sierra
crest in Mono County through Thursday morning.
From: Dec 31, 2025 20:08
Until: Jan 01, 2026 21:15
Winter Storm Watch
* WHAT...Heavy snow. Snow accumulations of 1 to 2 feet above 7000
feet and up to 12 inches below 7000 feet. Sierra crest ridgetops
could see gusts as high as 100 mph.
* WHERE...Greater Lake Tahoe Area, and Mono County.
* WHEN...From Friday afternoon through Sunday morning.
* IMPACTS...Travel could be very difficult to impossible. The
hazardous conditions could impact the Friday evening commute.
Strong winds could cause damage to trees and power lines.
From: Dec 30, 2025 20:57
Until: Jan 01, 2026 00:00
Winter Storm Watch
* WHAT...Heavy snow possible. Accumulations are uncertain at this
time but may range from 1 to 3 feet above 5500 feet. Locally
higher amounts are possible at higher elevations. Winds could gust
as high as 45 mph.
* WHERE...West Slope Northern Sierra Nevada and Western Plumas
County/Lassen Park.
* WHEN...From Friday afternoon through Sunday morning.
* IMPACTS...Dangerous travel conditions with chain controls and road
closures possible. Low visibility due to combination of wind and
heavy snow.
* ADDITIONAL DETAILS...Snow accumulations remain above pass level
through Friday afternoon, then drop to 5500 to 6500 feet late
Friday night into Saturday.
From: Dec 31, 2025 01:38
Until: Jan 01, 2026 00:00
Dense Fog Advisory
* WHAT...Visibility one quarter mile or less in dense fog.
* WHERE...Central and Southern Sacramento Valley.
* WHEN...Until 11 AM PST Wednesday.
* IMPACTS...Low visibility could make driving conditions hazardous.
From: Dec 31, 2025 04:34
Until: Dec 31, 2025 19:00
Dense Fog Advisory
* WHAT...Visibility one quarter mile or less in dense fog.
* WHERE...Central Sacramento Valley and Southern Sacramento Valley.
* WHEN...Until 11 AM PST Wednesday.
* IMPACTS...Low visibility could make driving conditions hazardous.
From: Dec 31, 2025 07:56
Until: Dec 31, 2025 19:00
Winter Storm Watch
* WHAT...Heavy snow possible. Accumulations are uncertain at this
time but may range from 1 to 3 feet above 5500 feet. Locally
higher amounts are possible at higher elevations. Winds could gust
as high as 45 mph.
* WHERE...West Slope Northern Sierra Nevada and Western Plumas
County/Lassen Park Counties.
* WHEN...From Friday afternoon through Sunday morning.
* IMPACTS...Dangerous travel conditions with chain controls and road
closures possible. Low visibility due to combination of wind and
heavy snow.
* ADDITIONAL DETAILS...Snow accumulations remain above pass level
through Friday afternoon, then drop to 5500 to 6500 feet late
Friday night into Saturday.
From: Dec 30, 2025 20:03
Until: Dec 31, 2025 04:15
Dense Fog Advisory
* WHAT...Visibility one quarter mile or less in dense fog.
* WHERE...Central Sacramento Valley, Northern San Joaquin Valley,
and Southern Sacramento Valley.
* WHEN...From 2 AM to noon PST Tuesday.
* IMPACTS...Low visibility could make driving conditions hazardous.
From: Dec 30, 2025 00:36
Until: Dec 30, 2025 20:00
