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

Madison, Dane County Regional-Truax Field (KMSN)

Lat: 43.14°NLon: 89.35°WElev: 860ft.

Overcast

47°F

8°C

Humidity 90%
Wind Speed N 9 mph
Barometer 29.90 in (1012.9 mb)
Dewpoint 44°F (7°C)
Visibility 10.00 mi
Wind Chill43°F (6°C)
Last update 5 Nov 4:53 pm CST
Extended Forecast for

Sun Prairie WI

  • Tonight

    Tonight: Cloudy, then gradually becoming partly cloudy, with a low around 34. North wind 10 to 15 mph.

    Low: 34 °F

    Decreasing
    Clouds

  • Friday

    Friday: Mostly sunny, with a high near 47. North wind 5 to 15 mph.

    High: 47 °F

    Mostly Sunny

  • Friday Night

    Friday Night: Mostly clear, with a low around 26. North wind around 5 mph becoming calm.

    Low: 26 °F

    Mostly Clear

  • Saturday

    Saturday: Sunny, with a high near 51. Calm wind becoming west around 5 mph.

    High: 51 °F

    Sunny

  • Saturday Night

    Saturday Night: Mostly clear, with a low around 32. Calm wind becoming west around 5 mph after midnight.

    Low: 32 °F

    Mostly Clear

  • Sunday

    Sunday: Sunny, with a high near 57. West wind 5 to 10 mph.

    High: 57 °F

    Sunny

  • Sunday Night

    Sunday Night: Clear, with a low around 34. West wind around 5 mph becoming calm in the evening.

    Low: 34 °F

    Clear

  • Monday

    Monday: Sunny, with a high near 63. Southwest wind 5 to 10 mph increasing to 10 to 15 mph in the afternoon.

    High: 63 °F

    Sunny

  • Monday Night

    Monday Night: Mostly clear, with a low around 39.

    Low: 39 °F

    Mostly Clear

Detailed Forecast

Tonight
Cloudy, then gradually becoming partly cloudy, with a low around 34. North wind 10 to 15 mph.
Friday
Mostly sunny, with a high near 47. North wind 5 to 15 mph.
Friday Night
Mostly clear, with a low around 26. North wind around 5 mph becoming calm.
Saturday
Sunny, with a high near 51. Calm wind becoming west around 5 mph.
Saturday Night
Mostly clear, with a low around 32. Calm wind becoming west around 5 mph after midnight.
Sunday
Sunny, with a high near 57. West wind 5 to 10 mph.
Sunday Night
Clear, with a low around 34. West wind around 5 mph becoming calm in the evening.
Monday
Sunny, with a high near 63. Southwest wind 5 to 10 mph increasing to 10 to 15 mph in the afternoon.
Monday Night
Mostly clear, with a low around 39.
Tuesday
Sunny, with a high near 58.
Tuesday Night
Partly cloudy, with a low around 35.
Veterans Day
A 20 percent chance of rain. Mostly sunny, with a high near 55.
Wednesday Night
A 20 percent chance of rain. Partly cloudy, with a low around 35.
Thursday
Mostly sunny, with a high near 54.
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Forecast Area
Tiles ©ESRI

ABOUT THIS FORECAST

 
Point Forecast:
Sun Prairie WI
 43.17°N 89.21°W (Elev. 948 ft)
Last Update:
4:31 pm CST Nov 5, 2026
Forecast Valid:
5pm CST Nov 5, 2026-6pm CST Nov 12, 2026
 
Forecast Discussion
 
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Additional Resources

Radar & Satellite Image

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Hourly Weather Forecast

National Digital Forecast Database

National Digital Forecast Database Maximum Temperature Forecast

High Temperature

National Digital Forecast Database Weather Element Forecast

Chance of Precipitation