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

Hazardous Weather Conditions

Current conditions at

Madison, Dane County Regional-Truax Field (KMSN)

Lat: 43.14°NLon: 89.35°WElev: 860ft.

Light Snow

16°F

-9°C

Humidity 71%
Wind Speed N 13 mph
Barometer 30.43 in (1032.3 mb)
Dewpoint 8°F (-13°C)
Visibility 10.00 mi
Wind Chill2°F (-17°C)
Last update 22 Feb 10:53 pm CST
Extended Forecast for

Sun Prairie WI

  • Tonight

    Tonight: Isolated snow showers before 1am, then scattered flurries between 1am and 2am. Mostly cloudy, with a low around 10. Wind chill values between zero and 5. North wind 10 to 15 mph, with gusts as high as 25 mph. Chance of precipitation is 20%.

    Low: 10 °F

    Isolated Snow
    Showers

  • Monday

    Monday: Sunny, with a high near 25. Wind chill values between zero and 10. North wind 5 to 15 mph.

    High: 25 °F

    Sunny

  • Monday Night

    Monday Night: Mostly cloudy, with a low around 18. Light and variable wind becoming south 5 to 10 mph after midnight.

    Low: 18 °F

    Mostly Cloudy

  • Tuesday

    Tuesday: A 50 percent chance of snow, mainly after noon. Mostly cloudy, with a high near 38. Breezy, with a south wind 10 to 20 mph, with gusts as high as 30 mph.

    High: 38 °F

    Breezy.
    Slight Chance
    Snow then
    Chance Snow

  • Tuesday Night

    Tuesday Night: Mostly cloudy, with a low around 15. Northwest wind around 15 mph.

    Low: 15 °F

    Mostly Cloudy

  • Wednesday

    Wednesday: Mostly sunny, with a high near 28. Northwest wind 5 to 15 mph.

    High: 28 °F

    Mostly Sunny

  • Wednesday Night

    Wednesday Night: A 50 percent chance of snow. Mostly cloudy, with a low around 17. Northwest wind around 5 mph becoming northeast after midnight.

    Low: 17 °F

    Chance Snow

  • Thursday

    Thursday: A 30 percent chance of snow before noon. Partly sunny, with a high near 34. Northeast wind 5 to 10 mph becoming west in the afternoon.

    High: 34 °F

    Chance Snow
    then Partly
    Sunny

  • Thursday Night

    Thursday Night: Mostly clear, with a low around 21.

    Low: 21 °F

    Mostly Clear

Detailed Forecast

Tonight
Isolated snow showers before 1am, then scattered flurries between 1am and 2am. Mostly cloudy, with a low around 10. Wind chill values between zero and 5. North wind 10 to 15 mph, with gusts as high as 25 mph. Chance of precipitation is 20%.
Monday
Sunny, with a high near 25. Wind chill values between zero and 10. North wind 5 to 15 mph.
Monday Night
Mostly cloudy, with a low around 18. Light and variable wind becoming south 5 to 10 mph after midnight.
Tuesday
A 50 percent chance of snow, mainly after noon. Mostly cloudy, with a high near 38. Breezy, with a south wind 10 to 20 mph, with gusts as high as 30 mph.
Tuesday Night
Mostly cloudy, with a low around 15. Northwest wind around 15 mph.
Wednesday
Mostly sunny, with a high near 28. Northwest wind 5 to 15 mph.
Wednesday Night
A 50 percent chance of snow. Mostly cloudy, with a low around 17. Northwest wind around 5 mph becoming northeast after midnight.
Thursday
A 30 percent chance of snow before noon. Partly sunny, with a high near 34. Northeast wind 5 to 10 mph becoming west in the afternoon.
Thursday Night
Mostly clear, with a low around 21.
Friday
Mostly sunny, with a high near 49.
Friday Night
Mostly cloudy, with a low around 26.
Saturday
A 20 percent chance of snow. Partly sunny, with a high near 41.
Saturday Night
Mostly clear, with a low around 14.
Sunday
Mostly sunny, with a high near 33.
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Forecast Area
Tiles ©ESRI

ABOUT THIS FORECAST

 
Point Forecast:
Sun Prairie WI
 43.17°N 89.24°W (Elev. 965 ft)
Last Update:
11:33 pm CST Feb 22, 2026
Forecast Valid:
11pm CST Feb 22, 2026-6pm CST Mar 1, 2026
 
Forecast Discussion
 
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Additional Resources

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High Temperature

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Chance of Precipitation