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 Rain

34°F

1°C

Humidity 89%
Wind Speed E 12 mph
Barometer 30.01 in (1017.1 mb)
Dewpoint 31°F (-1°C)
Visibility 7.00 mi
Wind Chill25°F (-4°C)
Last update 2 Apr 2:53 am CDT
Extended Forecast for

Sun Prairie WI

  • Overnight

    Overnight: Rain or freezing rain. Low around 32. East wind around 15 mph, with gusts as high as 30 mph. Chance of precipitation is 100%. Total nighttime ice accumulation of less than a 0.1 of an inch possible.

    Low: 32 °F

    Rain/Freezing
    Rain

  • Thursday

    Thursday: Rain or freezing rain, becoming all rain after 7am. Some thunder is also possible. High near 62. East wind around 15 mph becoming south in the afternoon. Winds could gust as high as 30 mph. Chance of precipitation is 100%. Little or no ice accumulation expected.

    High: 62 °F

    Rain/Freezing
    Rain then
    Showers

  • Thursday Night

    Thursday Night: Showers and possibly a thunderstorm before 9pm, then a chance of showers and thunderstorms between 9pm and 10pm. Some of the storms could produce heavy rainfall. Low around 37. South wind 10 to 15 mph becoming west after midnight. Winds could gust as high as 25 mph. Chance of precipitation is 80%. New precipitation amounts between a quarter and half of an inch possible.

    Low: 37 °F

    Heavy Rain
    then Mostly
    Cloudy

  • Friday

    Friday: Partly sunny, with a high near 54. West wind 5 to 10 mph becoming east in the afternoon.

    High: 54 °F

    Partly Sunny

  • Friday Night

    Friday Night: A slight chance of showers and thunderstorms before 7pm, then showers and possibly a thunderstorm between 7pm and 4am, then a chance of showers after 4am. Low around 38. East wind 10 to 15 mph. Chance of precipitation is 100%. New rainfall amounts between three quarters and one inch possible.

    Low: 38 °F

    Showers

  • Saturday

    Saturday: A 30 percent chance of showers, mainly before 7am. Mostly cloudy, with a high near 53. Breezy, with a west wind 10 to 20 mph, with gusts as high as 30 mph.

    High: 53 °F

    Chance
    Showers and
    Breezy

  • Saturday Night

    Saturday Night: Mostly cloudy, with a low around 31. West wind around 15 mph, with gusts as high as 25 mph.

    Low: 31 °F

    Mostly Cloudy

  • Sunday

    Sunday: Mostly cloudy, then gradually becoming sunny, with a high near 50. Northwest wind around 15 mph, with gusts as high as 25 mph.

    High: 50 °F

    Decreasing
    Clouds

  • Sunday Night

    Sunday Night: Partly cloudy, with a low around 33.

    Low: 33 °F

    Partly Cloudy

Detailed Forecast

Overnight
Rain or freezing rain. Low around 32. East wind around 15 mph, with gusts as high as 30 mph. Chance of precipitation is 100%. Total nighttime ice accumulation of less than a 0.1 of an inch possible.
Thursday
Rain or freezing rain, becoming all rain after 7am. Some thunder is also possible. High near 62. East wind around 15 mph becoming south in the afternoon. Winds could gust as high as 30 mph. Chance of precipitation is 100%. Little or no ice accumulation expected.
Thursday Night
Showers and possibly a thunderstorm before 9pm, then a chance of showers and thunderstorms between 9pm and 10pm. Some of the storms could produce heavy rainfall. Low around 37. South wind 10 to 15 mph becoming west after midnight. Winds could gust as high as 25 mph. Chance of precipitation is 80%. New precipitation amounts between a quarter and half of an inch possible.
Friday
Partly sunny, with a high near 54. West wind 5 to 10 mph becoming east in the afternoon.
Friday Night
A slight chance of showers and thunderstorms before 7pm, then showers and possibly a thunderstorm between 7pm and 4am, then a chance of showers after 4am. Low around 38. East wind 10 to 15 mph. Chance of precipitation is 100%. New rainfall amounts between three quarters and one inch possible.
Saturday
A 30 percent chance of showers, mainly before 7am. Mostly cloudy, with a high near 53. Breezy, with a west wind 10 to 20 mph, with gusts as high as 30 mph.
Saturday Night
Mostly cloudy, with a low around 31. West wind around 15 mph, with gusts as high as 25 mph.
Sunday
Mostly cloudy, then gradually becoming sunny, with a high near 50. Northwest wind around 15 mph, with gusts as high as 25 mph.
Sunday Night
Partly cloudy, with a low around 33.
Monday
Partly sunny, with a high near 49.
Monday Night
A slight chance of rain and snow showers. Mostly cloudy, with a low around 26. Chance of precipitation is 20%.
Tuesday
Mostly sunny, with a high near 46.
Tuesday Night
A slight chance of rain and snow showers. Mostly cloudy, with a low around 30. Chance of precipitation is 20%.
Wednesday
A 20 percent chance of showers. Partly sunny, with a high near 60. Breezy.
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Forecast Area
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ABOUT THIS FORECAST

 
Point Forecast:
Sun Prairie WI
 43.2°N 89.21°W (Elev. 997 ft)
Last Update:
2:36 am CDT Apr 2, 2026
Forecast Valid:
3am CDT Apr 2, 2026-6pm CDT Apr 8, 2026
 
Forecast Discussion
 
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Additional Resources

Radar & Satellite Image

Link to Local Radar Data Link to Satellite Data

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