Winter Storm to Impact the Region Sunday Afternoon - Monday Morning

A strong winter storm moves through the region Sunday afternoon through Monday morning. The combination of moderate to heavy snow, strong northwest winds, and falling temperatures may lead to hazardous travel conditions for much of the area. The greatest impacts in Wisconsin are expected to be along and north of I-90, while blizzard conditions are possible west of the Mississippi River. Read More >

Hazardous Weather Conditions

Current conditions at

Decorah (KDEH)

Lat: 43.28°NLon: 91.73°WElev: 1158ft.

Fog

37°F

3°C

Humidity	100%
Wind Speed	S 8 G 14 mph
Barometer	29.76 in
Dewpoint	37°F (3°C)
Visibility	0.15 mi
Wind Chill	31°F (-1°C)
Last update	27 Dec 1:15 pm CST

More Information:

Local Forecast Office More Local Wx 3 Day History Hourly Weather Forecast

Extended Forecast for

3 Miles SE Castalia IA

Dense Fog Advisory December 27, 01:36pm until December 28, 12:00pm

Winter Weather Advisory December 28, 03:00pm until December 29, 12:00pm

Click here for hazard details and duration

Dense Fog Advisory

Winter Weather Advisory

Dense Fog Advisory December 27, 01:36pm until December 28, 12:00pm
NOW until 12:00pm Sun
Dense Fog Advisory
This Afternoon
High: 42 °F
Patchy Fog
Tonight
Low: 39 °F
Patchy
Drizzle
Sunday
High: 39 °F⇓
Rain then
Rain/Snow and
Patchy
Blowing Snow
Sunday Night
Low: 7 °F
Snow and
Blowing Snow
Monday
High: 13 °F
Patchy
Blowing Snow
and Blustery
Monday Night
Low: 2 °F
Mostly Clear
Tuesday
High: 26 °F
Partly Sunny
Tuesday Night
Low: 17 °F
Mostly Cloudy

Detailed Forecast

This Afternoon

Patchy fog before 5pm. Otherwise, cloudy, with a high near 42. Southeast wind 7 to 10 mph, with gusts as high as 20 mph.

Tonight

Patchy drizzle before midnight, then a slight chance of rain between midnight and 3am. Cloudy, with a low around 39. Southeast wind around 6 mph becoming calm in the evening. Chance of precipitation is 20%.

Sunday

Rain before 1pm, then rain and snow between 1pm and 2pm, then snow after 2pm. Patchy blowing snow after 4pm. Temperature falling to around 22 by 5pm. Breezy, with a light north wind becoming northwest 19 to 24 mph in the morning. Winds could gust as high as 39 mph. Chance of precipitation is 100%. New snow accumulation of less than one inch possible.

Sunday Night

Snow. Widespread blowing snow, mainly after 2am. Low around 7. Wind chill values as low as -14. Windy, with a northwest wind around 26 mph, with gusts as high as 44 mph. Chance of precipitation is 100%. New snow accumulation of 2 to 4 inches possible.

Monday

Patchy blowing snow before 4pm. Partly sunny, with a high near 13. Blustery, with a northwest wind 16 to 25 mph, with gusts as high as 41 mph.

Monday Night

Mostly clear, with a low around 2. Northwest wind 8 to 15 mph, with gusts as high as 25 mph.

Tuesday

Partly sunny, with a high near 26. West wind 7 to 10 mph, with gusts as high as 18 mph.

Tuesday Night

Mostly cloudy, with a low around 17. West wind around 11 mph, with gusts as high as 20 mph.

Wednesday

A 20 percent chance of snow after noon. Mostly cloudy, with a high near 24. Northwest wind 8 to 10 mph, with gusts as high as 20 mph.

Wednesday Night

A 20 percent chance of snow before midnight. Mostly cloudy, with a low around 4. North wind around 8 mph.