National Oceanic and Atmospheric Administration National Weather Service United States Department of Commerce

Damaging Winds Tonight - Friday Morning With Snow in Central WI, Then a Potentially Historic Weekend Snowstorm

Two back-to-back intense storm systems will move through the region tonight into this weekend. DAMAGING WIND areawide is the main hazard late tonight through Friday morning, along with some snow mainly in central Wisconsin. Then a POTENTIALLY HISTORIC SNOWSTORM is expected mainly Saturday night through Sunday night. Monitor the forecast for the latest updates and make appropriate preparations! Read More >

Hazardous Weather Conditions

Current conditions at

Decorah (KDEH)

Lat: 43.28°NLon: 91.73°WElev: 1158ft.

Overcast

41°F

5°C

Humidity 66%
Wind Speed S 15 G 30 mph
Barometer 29.61 in
Dewpoint 30°F (-1°C)
Visibility 10.00 mi
Wind Chill33°F (1°C)
Last update 12 Mar 9:35 pm CDT
Extended Forecast for

Fort Atkinson IA

Winter Storm Watch March 14, 07:00pm until March 16, 01:00pm
High Wind Warning March 13, 12:00am until March 13, 10:00am
Click here for hazard details and duration
Winter Storm Watch
High Wind Warning

  • Tonight

    Tonight: Rain before 3am, then a slight chance of rain and snow between 3am and 4am, then a slight chance of snow after 4am. Patchy blowing snow after 3am. Low around 29. Windy, with a south wind 16 to 21 mph becoming west 28 to 33 mph after midnight. Winds could gust as high as 60 mph. Chance of precipitation is 90%. Little or no snow accumulation expected.

    Low: 29 °F

    Rain/Snow and
    Patchy
    Blowing Snow

  • Friday

    Friday: Partly sunny, with a high near 40. Windy, with a northwest wind 29 to 34 mph decreasing to 21 to 26 mph in the afternoon. Winds could gust as high as 60 mph.

    High: 40 °F

    Partly Sunny
    and Windy

  • Friday Night

    Friday Night: A 20 percent chance of snow after 1am. Increasing clouds, with a low around 26. Northwest wind 5 to 10 mph becoming light and variable in the evening.

    Low: 26 °F

    Mostly Cloudy
    then Slight
    Chance Snow

  • Saturday

    Saturday: A 30 percent chance of snow, mainly after 1pm. Cloudy, with a high near 39. Calm wind becoming southeast 5 to 9 mph in the morning.

    High: 39 °F

    Chance Snow

  • Saturday Night

    Saturday Night: Snow, possibly mixed with rain before 4am, then snow, possibly mixed with freezing rain. Patchy blowing snow after 4am. Low around 28. Breezy, with an east wind 9 to 17 mph. Chance of precipitation is 90%. Little or no ice accumulation expected. New snow accumulation of 2 to 4 inches possible.

    Low: 28 °F

    Rain/Snow
    Likely then
    Wintry Mix
    and Patchy
    Blowing Snow

  • Sunday

    Sunday: Snow, possibly mixed with freezing rain before 7am, then snow, possibly mixed with rain between 7am and 1pm, then snow after 1pm. The snow could be heavy at times. Widespread blowing snow, mainly after 3pm. High near 35. Windy, with an east wind 18 to 26 mph, with gusts as high as 37 mph. Chance of precipitation is 100%. Little or no ice accumulation expected. New snow accumulation of 8 to 12 inches possible.

    High: 35 °F

    Wintry Mix
    and Blowing
    Snow

  • Sunday Night

    Sunday Night: Snow likely, mainly before 1am. Widespread blowing snow before 7pm. Cloudy, with a low around 7. Windy, with a north wind 29 to 31 mph, with gusts as high as 43 mph. Chance of precipitation is 60%.

    Low: 7 °F

    Snow Likely
    and Blowing
    Snow

  • Monday

    Monday: Partly sunny, with a high near 14. Blustery, with a northwest wind 23 to 25 mph, with gusts as high as 34 mph.

    High: 14 °F

    Partly Sunny
    and Blustery

  • Monday Night

    Monday Night: Mostly clear, with a low around -3. Blustery, with a northwest wind 15 to 20 mph decreasing to 8 to 13 mph after midnight.

    Low: -3 °F

    Partly Cloudy
    and Blustery
    then Mostly
    Clear

Detailed Forecast

Tonight
Rain before 3am, then a slight chance of rain and snow between 3am and 4am, then a slight chance of snow after 4am. Patchy blowing snow after 3am. Low around 29. Windy, with a south wind 16 to 21 mph becoming west 28 to 33 mph after midnight. Winds could gust as high as 60 mph. Chance of precipitation is 90%. Little or no snow accumulation expected.
Friday
Partly sunny, with a high near 40. Windy, with a northwest wind 29 to 34 mph decreasing to 21 to 26 mph in the afternoon. Winds could gust as high as 60 mph.
Friday Night
A 20 percent chance of snow after 1am. Increasing clouds, with a low around 26. Northwest wind 5 to 10 mph becoming light and variable in the evening.
Saturday
A 30 percent chance of snow, mainly after 1pm. Cloudy, with a high near 39. Calm wind becoming southeast 5 to 9 mph in the morning.
Saturday Night
Snow, possibly mixed with rain before 4am, then snow, possibly mixed with freezing rain. Patchy blowing snow after 4am. Low around 28. Breezy, with an east wind 9 to 17 mph. Chance of precipitation is 90%. Little or no ice accumulation expected. New snow accumulation of 2 to 4 inches possible.
Sunday
Snow, possibly mixed with freezing rain before 7am, then snow, possibly mixed with rain between 7am and 1pm, then snow after 1pm. The snow could be heavy at times. Widespread blowing snow, mainly after 3pm. High near 35. Windy, with an east wind 18 to 26 mph, with gusts as high as 37 mph. Chance of precipitation is 100%. Little or no ice accumulation expected. New snow accumulation of 8 to 12 inches possible.
Sunday Night
Snow likely, mainly before 1am. Widespread blowing snow before 7pm. Cloudy, with a low around 7. Windy, with a north wind 29 to 31 mph, with gusts as high as 43 mph. Chance of precipitation is 60%.
Monday
Partly sunny, with a high near 14. Blustery, with a northwest wind 23 to 25 mph, with gusts as high as 34 mph.
Monday Night
Mostly clear, with a low around -3. Blustery, with a northwest wind 15 to 20 mph decreasing to 8 to 13 mph after midnight.
Tuesday
A 20 percent chance of snow after 1pm. Mostly sunny, with a high near 18. Northwest wind 6 to 9 mph becoming southwest in the afternoon.
Tuesday Night
A 30 percent chance of snow. Mostly cloudy, with a low around 9. South wind around 7 mph.
Wednesday
Partly sunny, with a high near 34. Southeast wind around 8 mph.
Wednesday Night
Mostly cloudy, with a low around 22. South wind around 6 mph.
Thursday
Partly sunny, with a high near 44. South wind 6 to 9 mph.
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ABOUT THIS FORECAST

 
Point Forecast:
Fort Atkinson IA
 43.15°N 91.92°W
Last Update:
9:06 pm CDT Mar 12, 2026
Forecast Valid:
9pm CDT Mar 12, 2026-6pm CDT Mar 19, 2026
 
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