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.

A Few Clouds

33°F

1°C

Humidity 70%
Wind Speed N 12 G 23 mph
Barometer 29.97 in (1015.8 mb)
Dewpoint 24°F (-4°C)
Visibility 10.00 mi
Wind Chill24°F (-4°C)
Last update 31 Mar 9:53 am CDT
Extended Forecast for

Sun Prairie WI

  • Today

    Today: Sunny, with a high near 45. North wind around 10 mph.

    High: 45 °F

    Sunny

  • Tonight

    Tonight: Mostly clear, with a low around 26. North wind around 5 mph becoming east after midnight.

    Low: 26 °F

    Mostly Clear

  • Tuesday

    Tuesday: A slight chance of rain and snow after 4pm. Partly sunny, with a high near 44. Southeast wind 5 to 15 mph. Chance of precipitation is 20%.

    High: 44 °F

    Mostly Sunny
    then Slight
    Chance
    Rain/Snow

  • Tuesday Night

    Tuesday Night: Rain and snow, becoming all rain after 1am. Some thunder is also possible. Low around 33. Breezy, with an east wind 15 to 20 mph, with gusts as high as 30 mph. Chance of precipitation is 100%. New snow accumulation of less than a half inch possible.

    Low: 33 °F

    Rain/Snow and
    Breezy

  • Wednesday

    Wednesday: Rain and possibly a thunderstorm before 4pm, then rain likely. High near 66. Breezy, with an east wind 15 to 20 mph becoming southwest in the afternoon. Winds could gust as high as 30 mph. Chance of precipitation is 90%. New rainfall amounts between a quarter and half of an inch possible.

    High: 66 °F

    Rain and
    Breezy

  • Wednesday Night

    Wednesday Night: Partly cloudy, with a low around 37. Southwest wind around 15 mph, with gusts as high as 25 mph.

    Low: 37 °F

    Partly Cloudy

  • Thursday

    Thursday: Partly sunny, with a high near 53. West wind 10 to 15 mph.

    High: 53 °F

    Partly Sunny

  • Thursday Night

    Thursday Night: Partly cloudy, with a low around 31. North wind around 5 mph.

    Low: 31 °F

    Partly Cloudy

  • Friday

    Friday: Mostly sunny, with a high near 54.

    High: 54 °F

    Mostly Sunny

Detailed Forecast

Today
Sunny, with a high near 45. North wind around 10 mph.
Tonight
Mostly clear, with a low around 26. North wind around 5 mph becoming east after midnight.
Tuesday
A slight chance of rain and snow after 4pm. Partly sunny, with a high near 44. Southeast wind 5 to 15 mph. Chance of precipitation is 20%.
Tuesday Night
Rain and snow, becoming all rain after 1am. Some thunder is also possible. Low around 33. Breezy, with an east wind 15 to 20 mph, with gusts as high as 30 mph. Chance of precipitation is 100%. New snow accumulation of less than a half inch possible.
Wednesday
Rain and possibly a thunderstorm before 4pm, then rain likely. High near 66. Breezy, with an east wind 15 to 20 mph becoming southwest in the afternoon. Winds could gust as high as 30 mph. Chance of precipitation is 90%. New rainfall amounts between a quarter and half of an inch possible.
Wednesday Night
Partly cloudy, with a low around 37. Southwest wind around 15 mph, with gusts as high as 25 mph.
Thursday
Partly sunny, with a high near 53. West wind 10 to 15 mph.
Thursday Night
Partly cloudy, with a low around 31. North wind around 5 mph.
Friday
Mostly sunny, with a high near 54.
Friday Night
A 20 percent chance of rain after 1am. Mostly cloudy, with a low around 33.
Saturday
A 20 percent chance of rain. Partly sunny, with a high near 53.
Saturday Night
A 20 percent chance of rain. Partly cloudy, with a low around 32.
Sunday
A 20 percent chance of rain. Mostly sunny, with a high near 50.
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Disclaimer
Map Legend

ABOUT THIS FORECAST

 
Point Forecast:
Sun Prairie WI
 43.17°N 89.21°W (Elev. 948 ft)
Last Update:
9:08 am CDT Mar 31, 2025
Forecast Valid:
10am CDT Mar 31, 2025-6pm CDT Apr 6, 2025
 
Forecast Discussion
 
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Additional Resources

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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