Dense Fog Advisory
* WHAT...Visibility one quarter mile or less in dense fog.
* WHERE...Portions of west-central Illinois, east-central,
northeast, and southeast Iowa, and northeast Missouri.
* WHEN...Until 11 AM CST Wednesday.
* IMPACTS...Low visibility could make driving conditions hazardous.
There could also be some slick spots on area roads due to freezing
fog.
* ADDITIONAL DETAILS...In addition to the reduced visibilities,
there could also be some slick spots on area roads due to freezing
fog, particularly in low-lying areas.
From: Jan 07, 2026 05:58
Until: Jan 07, 2026 17:00
Dense Fog Advisory
* WHAT...Visibility one quarter mile or less in dense fog.
* WHERE...Jasper, Poweshiek, Mahaska, Marion, and Wapello Counties.
* WHEN...Until 9 AM CST this morning.
* IMPACTS...Low visibility could make driving conditions hazardous.
From: Jan 07, 2026 06:14
Until: Jan 07, 2026 15:00
Dense Fog Advisory
* WHAT...Visibility one quarter mile or less in dense fog.
* WHERE...Grundy, Hardin, Marshall, Tama, Butler, Cerro Gordo,
Franklin, Black Hawk, Bremer, and Davis Counties.
* WHEN...Until 9 AM CST this morning.
* IMPACTS...Low visibility could make driving conditions hazardous.
From: Jan 07, 2026 06:14
Until: Jan 07, 2026 15:00
Special Weather Statement
Areas of dense fog, with visibility under a half mile, will be
possible late this evening through the overnight hours over
southeastern Iowa, northeast Missouri, and west-central Illinois.
Motorists should exercise caution and be prepared for pockets of
dense fog and low visibility. When encountering fog, slow down,
and use your low beam headlights. A Dense Fog Advisory may be
needed if the dense fog becomes widespread.
From: Jan 07, 2026 03:50
Until: Jan 07, 2026 08:00
Dense Fog Advisory
* WHAT...Visibility one quarter mile or less in dense fog.
* WHERE...Boone, Hamilton, Jasper, Marshall, Story, Webster,
Calhoun, and Sac Counties.
* WHEN...Until 9 AM CST this morning.
* IMPACTS...Low visibility could make driving conditions hazardous.
From: Jan 06, 2026 06:21
Until: Jan 06, 2026 15:00
Dense Fog Advisory
* WHAT...Visibility one quarter mile or less in dense fog.
* WHERE...Portions of central, south central, southeast, southwest,
and west central Iowa.
* WHEN...Until 9 AM CST this morning.
* IMPACTS...Low visibility could make driving conditions hazardous.
From: Jan 06, 2026 06:21
Until: Jan 06, 2026 15:00
Dense Fog Advisory
* WHAT...Visibility one quarter mile or less in dense fog.
* WHERE...Portions of central, north central, northwest, south
central, southeast, southwest, and west central Iowa.
* WHEN...Until 9 AM CST this morning.
* IMPACTS...Low visibility could make driving conditions hazardous.
From: Jan 06, 2026 12:10
Until: Jan 06, 2026 15:00
Wind Advisory
* WHAT...For the Dense Fog Advisory, visibility one quarter mile or
less in dense fog. For the Wind Advisory, northwest winds 20 to 30
mph with gusts up to 50 mph expected.
* WHERE...Portions of central, northwest, south central, southeast,
southwest, and west central Iowa.
* WHEN...For the Dense Fog Advisory, from 6 PM this evening to 6 AM
CST Sunday. For the Wind Advisory, from 9 AM Sunday to 6 AM CST
Monday.
* IMPACTS...Gusty winds will blow around unsecured objects. Tree
limbs could be blown down and a few power outages may result. Low
visibility could make driving conditions hazardous.
From: Dec 27, 2025 20:42
Until: Dec 28, 2025 06:45
Dense Fog Advisory
* WHAT...For the Dense Fog Advisory, visibility one quarter mile or
less in dense fog. For the Wind Advisory, northwest winds 20 to 30
mph with gusts up to 50 mph expected.
* WHERE...Portions of central, northwest, south central, southeast,
southwest, and west central Iowa.
* WHEN...For the Dense Fog Advisory, from 6 PM this evening to 6 AM
CST Sunday. For the Wind Advisory, from 9 AM Sunday to 6 AM CST
Monday.
* IMPACTS...Gusty winds will blow around unsecured objects. Tree
limbs could be blown down and a few power outages may result. Low
visibility could make driving conditions hazardous.
From: Dec 27, 2025 20:42
Until: Dec 28, 2025 06:45
Dense Fog Advisory
* WHAT...For the Dense Fog Advisory, visibility one quarter mile or
less in dense fog. For the Wind Advisory, northwest winds 25 to 30
mph with gusts up to 50 mph expected.
* WHERE...Grundy, Hamilton, Hardin, Jasper, Marshall, Poweshiek,
Story, Tama, and Black Hawk Counties.
* WHEN...For the Dense Fog Advisory, until 9 AM CST Sunday. For the
Wind Advisory, from 9 AM Sunday to 6 AM CST Monday.
* IMPACTS...Gusty winds will blow around unsecured objects. Tree
limbs could be blown down and a few power outages may result. Low
visibility could make driving conditions hazardous.
From: Dec 27, 2025 20:42
Until: Dec 28, 2025 06:45
Wind Advisory
* WHAT...For the Dense Fog Advisory, visibility one quarter mile or
less in dense fog. For the Wind Advisory, northwest winds 25 to 30
mph with gusts up to 50 mph expected.
* WHERE...Grundy, Hamilton, Hardin, Jasper, Marshall, Poweshiek,
Story, Tama, and Black Hawk Counties.
* WHEN...For the Dense Fog Advisory, until 9 AM CST Sunday. For the
Wind Advisory, from 9 AM Sunday to 6 AM CST Monday.
* IMPACTS...Gusty winds will blow around unsecured objects. Tree
limbs could be blown down and a few power outages may result. Low
visibility could make driving conditions hazardous.
From: Dec 27, 2025 20:42
Until: Dec 28, 2025 06:45
Dense Fog Advisory
* WHAT...For the Dense Fog Advisory, visibility one quarter mile or
less in dense fog. For the Wind Advisory, northwest winds 25 to 35
mph with gusts up to 50 mph expected.
* WHERE...Portions of northwest Illinois and east central and
northeast Iowa.
* WHEN...For the Dense Fog Advisory, until noon CST Sunday. For the
Wind Advisory, from 2 PM Sunday to 6 PM CST Monday.
* IMPACTS...Gusty winds will blow around unsecured objects. Tree
limbs could be blown down and a few power outages may result. Low
visibility in dense fog could make driving conditions hazardous.
From: Dec 27, 2025 19:50
Until: Dec 28, 2025 04:00
Wind Advisory
* WHAT...For the Dense Fog Advisory, visibility one quarter mile or
less in dense fog. For the Wind Advisory, northwest winds 25 to 35
mph with gusts up to 50 mph expected.
* WHERE...Portions of northwest Illinois and east central and
northeast Iowa.
* WHEN...For the Dense Fog Advisory, until noon CST Sunday. For the
Wind Advisory, from 2 PM Sunday to 6 PM CST Monday.
* IMPACTS...Gusty winds will blow around unsecured objects. Tree
limbs could be blown down and a few power outages may result. Low
visibility in dense fog could make driving conditions hazardous.
From: Dec 27, 2025 19:50
Until: Dec 28, 2025 04:00
Wind Advisory
* WHAT...Northwest winds 25 to 35 mph with gusts up to 50 mph
expected.
* WHERE...Portions of north central, northwest, and west central
Illinois, southeast Iowa, and northeast Missouri.
* WHEN...From 2 PM Sunday to 6 PM CST Monday.
* IMPACTS...Gusty winds will blow around unsecured objects. Tree
limbs could be blown down and a few power outages may result.
From: Dec 27, 2025 19:50
Until: Dec 28, 2025 04:00
Dense Fog Advisory
* WHAT...Visibility one quarter mile or less in dense fog.
* WHERE...Portions of central into northern and northeastern Iowa.
* WHEN...Until noon CST Sunday.
* IMPACTS...Low visibility could make driving conditions hazardous.
From: Dec 27, 2025 17:46
Until: Dec 28, 2025 04:00
Dense Fog Advisory
* WHAT...Visibility one quarter mile or less in dense fog.
* WHERE...Portions of northwest Illinois and east central and
northeast Iowa.
* WHEN...Until noon CST Sunday.
* IMPACTS...Low visibility could make driving conditions hazardous.
* ADDITIONAL DETAILS...Brief improvements are expected this
afternoon, before conditions deteriorate once again this evening
and overnight.
From: Dec 27, 2025 17:49
Until: Dec 28, 2025 02:00
Dense Fog Advisory
* WHAT...Visibility one quarter mile or less at times in dense fog.
* WHERE...Portions of north central, northwest, and west central
Illinois, east central, northeast, and southeast Iowa, and
northeast Missouri.
* WHEN...Until noon CST today.
* IMPACTS...Low visibility could make driving conditions hazardous.
From: Dec 27, 2025 09:54
Until: Dec 27, 2025 18:00
Dense Fog Advisory
* WHAT...Visibility one quarter mile or less in dense fog.
* WHERE...Much of central Iowa.
* WHEN...Until noon CST today.
* IMPACTS...Low visibility could make driving conditions hazardous.
From: Dec 27, 2025 09:19
Until: Dec 27, 2025 18:00
Dense Fog Advisory
* WHAT...Visibility one quarter mile or less at times in dense fog.
* WHERE...Portions of northwest Illinois, east central, northeast,
and southeast Iowa, and northeast Missouri.
* WHEN...Until noon CST Saturday.
* IMPACTS...Low visibility could make driving conditions hazardous.
From: Dec 27, 2025 05:12
Until: Dec 27, 2025 14:00
Dense Fog Advisory
* WHAT...Visibility one quarter mile or less in dense fog.
* WHERE...Much of central Iowa.
* WHEN...Until noon CST Saturday.
* IMPACTS...Low visibility could make driving conditions hazardous.
From: Dec 27, 2025 01:35
Until: Dec 27, 2025 11:45
Dense Fog Advisory
* WHAT...Visibility one quarter mile or less in dense fog.
* WHERE...Portions of west central Illinois, east central and
southeast Iowa, and northeast Missouri.
* WHEN...Until 9 AM CST Friday.
* IMPACTS...Low visibility could make driving conditions hazardous.
From: Dec 26, 2025 05:34
Until: Dec 26, 2025 13:45
Dense Fog Advisory
* WHAT...Visibility one quarter mile or less in dense fog.
* WHERE...Much of Central Iowa.
* WHEN...Until 9 AM CST Friday.
* IMPACTS...Low visibility could make driving conditions hazardous.
From: Dec 26, 2025 02:57
Until: Dec 26, 2025 13:00
Dense Fog Advisory
* WHAT...Visibility one quarter mile or less in dense fog.
* WHERE...Poweshiek and Tama Counties.
* WHEN...Until 9 AM CST Friday.
* IMPACTS...Low visibility could make driving conditions hazardous.
From: Dec 25, 2025 17:47
Until: Dec 26, 2025 06:45
Dense Fog Advisory
* WHAT...Visibility one quarter mile or less in dense fog.
* WHERE...Portions of central, northern, and southern Iowa.
* WHEN...Until 9 AM CST Friday.
* IMPACTS...Low visibility could make driving conditions hazardous.
From: Dec 25, 2025 17:47
Until: Dec 26, 2025 06:45
Dense Fog Advisory
* WHAT...Visibility one quarter mile or less in dense fog.
* WHERE...Jasper, Marshall, Mahaska, Marion, and Wapello Counties.
* WHEN...Until 9 AM CST Friday.
* IMPACTS...Low visibility could make driving conditions hazardous.
From: Dec 25, 2025 17:47
Until: Dec 26, 2025 06:45
Dense Fog Advisory
* WHAT...Visibility one quarter mile or less in dense fog.
* WHERE...Much of central and western Iowa, including all of I-35
and I-80 from Des Moines to Council Bluffs.
* WHEN...Until 9 AM CST this morning.
* IMPACTS...Low visibility could make driving conditions hazardous.
From: Dec 25, 2025 11:49
Until: Dec 25, 2025 15:00
Dense Fog Advisory
* WHAT...Visibility one quarter mile or less in dense fog.
* WHERE...Much of Central Iowa.
* WHEN...Until 9 AM CST Thursday.
* IMPACTS...Low visibility could make driving conditions hazardous.
From: Dec 25, 2025 04:01
Until: Dec 25, 2025 14:15
Winter Weather Advisory
* WHAT...Snow expected. Total snow accumulations between 3 and 5
inches.
* WHERE...Portions of central, north central, northeast, and south
central Iowa.
* WHEN...From 3 PM Saturday to 6 AM CST Sunday.
* IMPACTS...Plan on slippery road conditions.
From: Dec 06, 2025 21:00
Until: Dec 07, 2025 12:00
Winter Weather Advisory
* WHAT...Snow. Additional snow accumulations up to two inches.
* WHERE...Portions of west central Illinois, southeast Iowa, and
northeast Missouri.
* WHEN...Until 9 PM CST this evening.
* IMPACTS...Plan on slippery road conditions. The hazardous
conditions could impact the Monday evening commute.
From: Dec 01, 2025 20:06
Until: Dec 02, 2025 03:00
Winter Weather Advisory
* WHAT...Light accumulating snow will continue this evening.
* WHERE...Portions of south central and southeast Iowa.
* WHEN...Until 9 PM CST this evening.
* IMPACTS...Plan on slippery road conditions.
From: Dec 01, 2025 23:57
Until: Dec 02, 2025 03:00
Winter Weather Advisory
* WHAT...Snow. Total snow accumulations between 1 and 4 inches.
* WHERE...Portions of south central and southeast Iowa.
* WHEN...Until 9 PM CST this evening.
* IMPACTS...Plan on slippery road conditions. The hazardous
conditions could impact the Monday evening commute.
From: Dec 01, 2025 16:57
Until: Dec 02, 2025 03:00
Winter Weather Advisory
* WHAT...Gusty winds and blowing snow. Winds gusting as high as 35
mph.
* WHERE...Portions of northern, central, and eastern Iowa.
* WHEN...Until noon CST today.
* IMPACTS...Strong northwest winds gusting to near 35 MPH this
morning will blow snow that fell yesterday. This will reduce
visibility to below 3 miles at times, and will also blow snow over
roadways prolonging slick travel conditions. As winds abate today
the conditions will gradually improve, especially after sunrise.
From: Nov 30, 2025 08:23
Until: Nov 30, 2025 18:00
Winter Weather Advisory
* WHAT...Snow and blowing snow. Additional snow accumulations up to
one inch. Winds gusting as high as 40 mph will lead to blowing and
drifting snow.
* WHERE...Portions of northwest Illinois and east central and
northeast Iowa.
* WHEN...Until noon CST today.
* IMPACTS...Hazardous travel conditions and reduced visibility will
continue this morning, along with blowing and drifting snow,
especially over open rural areas.
From: Nov 30, 2025 08:08
Until: Nov 30, 2025 18:00
Winter Storm Warning
* WHAT...Blowing snow. Winds gusting as high as 40 mph.
* WHERE...Portions of central, north central, northeast, northwest,
south central, southwest, and west central Iowa.
* WHEN...Until 6 AM CST Sunday.
* IMPACTS...Roads, and especially bridges and overpasses, will
likely become slick and hazardous. Visibilities may drop below 1/4
mile due to falling and blowing snow. Rural road closures possible
due to snow drifts.
From: Nov 30, 2025 02:44
Until: Nov 30, 2025 12:00
Winter Storm Warning
* WHAT...Heavy snow. Additional snow accumulations up to one inch.
Winds gusting as high as 40 mph.
* WHERE...Portions of east central, northeast, and southeast Iowa.
* WHEN...Until 6 AM CST Sunday.
* IMPACTS...Roads, and especially bridges and overpasses, will
likely become slick and hazardous. Plan on slippery road
conditions.
From: Nov 30, 2025 02:37
Until: Nov 30, 2025 10:45
Winter Storm Warning
Snow will gradually end from west to east later this afternoon and
evening. Gusty northwest winds will develop this evening with gusts
over 40 possible through the overnight causing blowing and drifting
of snow.
* WHAT...Heavy snow. Additional snow accumulations between 1 and 3
inches. Winds gusting over 40 mph.
* WHERE...Portions of central, north central, northeast, northwest,
south central, southeast, southwest, and west central Iowa.
* WHEN...Until 6 AM CST Sunday.
* IMPACTS...Travel will be very difficult to impossible at times.
The Iowa DOT has listed Travel is Not Advised across parts of
central Iowa.
From: Nov 29, 2025 21:45
Until: Nov 30, 2025 07:45
Winter Storm Warning
* WHAT...Heavy snow expected. Total snow accumulations between 8 and
13 inches.
* WHERE...Much of central Iowa.
* WHEN...From 6 PM Friday to 6 AM CST Sunday.
* IMPACTS...Travel will be very difficult to impossible. The
hazardous conditions are expected to impact Post-Thanksgiving
travel.
From: Nov 28, 2025 02:58
Until: Nov 28, 2025 13:00
Winter Storm Warning
* WHAT...Heavy snow expected. Total snow accumulations around 8
inches with up to 10 inches possible. Winds could gust gust to 25
mph.
* WHERE...Portions of east central, northeast, and southeast Iowa.
* WHEN...From 9 PM Friday to 6 AM CST Sunday.
* IMPACTS...Travel could be very difficult.
From: Nov 28, 2025 01:15
Until: Nov 28, 2025 09:15
Winter Storm Warning
* WHAT...Heavy snow expected. Total snow accumulations between 9 and
14 inches.
* WHERE...Much of Central Iowa.
* WHEN...From 6 PM Friday to 6 AM CST Sunday.
* IMPACTS...Travel will be very difficult to impossible. The
hazardous conditions are expected to impact Post-Thanksgiving
travel.
From: Nov 27, 2025 20:19
Until: Nov 28, 2025 06:30
Winter Storm Watch
* WHAT...Moderate to heavy snow accumulations expected. Total snow
accumulations between 6 and 14 inches. A light glaze of ice is
possible.
* WHERE...All of central Iowa.
* WHEN...From Friday evening through late Saturday night.
* IMPACTS...Travel will be very difficult to impossible. The
hazardous conditions are expected to impact Post-Thanksgiving
travel.
From: Nov 27, 2025 17:39
Until: Nov 28, 2025 03:45
Winter Storm Watch
* WHAT...Heavy snow possible. Total snow accumulations of 6 or more
inches are possible. Winds could gust as high as 25 mph.
* WHERE...Portions of north central, northwest, and west central
Illinois, east central, northeast, and southeast Iowa, and
northeast Missouri.
* WHEN...From late Friday night through late Saturday night.
* IMPACTS...Roads will likely become slick and hazardous. Travel
could be very difficult due to slippery conditions and reduced
visibility.
* ADDITIONAL DETAILS...There is a moderate to high probability for 6
or more inches of snow across a large portion of eastern Iowa,
northwest Illinois, and into northeast Missouri. The snow is
expected to spread in from west to east Friday night into early
Saturday morning. Periods of snow are expected to continue through
Saturday and could be moderate to heavy at times.
From: Nov 27, 2025 08:31
Until: Nov 28, 2025 00:15
Winter Storm Watch
A winter system moving across Iowa Friday evening through early
Sunday is expected to bring several inches of snowfall across
central Iowa, with significant travel impacts likely Friday through
the weekend.
* WHAT...Moderate to heavy snow accumulations expected. Total snow
accumulations between 6 and 14 inches. A light glaze of ice is
possible.
* WHERE...All of central Iowa for the snow. Portions of southwest
Iowa for the icing.
* WHEN...From Friday evening through early Sunday morning for the
snow. Saturday morning for the ice.
* IMPACTS...Travel will be very difficult to impossible. The
hazardous conditions are expected to impact Post-Thanksgiving
travel.
From: Nov 27, 2025 09:21
Until: Nov 27, 2025 19:30
