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.

Mostly Cloudy

84°F

29°C

Humidity 67%
Wind Speed S 5 mph
Barometer 29.92 in (1012.4 mb)
Dewpoint 72°F (22°C)
Visibility 10.00 mi
Heat Index90°F (32°C)
Last update 2 Sep 12:53 pm CDT
Extended Forecast for

3 Miles W Sun Prairie WI

  • This Afternoon

    This Afternoon: A 20 percent chance of showers and thunderstorms. Partly sunny, with a high near 89. Heat index values as high as 96. Southwest wind around 5 mph.

    High: 89 °F

    Slight Chance
    T-storms

  • Tonight

    Tonight: Scattered rain before 11pm, then a chance of showers and thunderstorms, mainly after 3am. Partly cloudy, with a low around 71. South wind around 5 mph becoming calm. Chance of precipitation is 30%.

    Low: 71 °F

    Chance
    Showers

  • Thursday

    Thursday: A 50 percent chance of showers and thunderstorms, mainly after 5pm. Partly sunny, with a high near 85. Southeast wind around 5 mph becoming southwest in the afternoon.

    High: 85 °F

    Chance
    Showers then
    Chance
    T-storms

  • Thursday Night

    Thursday Night: A chance of showers and thunderstorms, then showers and possibly a thunderstorm after midnight. Low around 68. South wind around 5 mph becoming east after midnight. Chance of precipitation is 90%. New rainfall amounts between a half and three quarters of an inch possible.

    Low: 68 °F

    Chance
    T-storms then
    Showers

  • Friday

    Friday: A slight chance of showers and thunderstorms before 10am, then a slight chance of showers between 10am and 1pm. Partly sunny, with a high near 87. East wind around 5 mph becoming south in the afternoon. Chance of precipitation is 20%.

    High: 87 °F

    Slight Chance
    T-storms then
    Slight Chance
    Showers

  • Friday Night

    Friday Night: A chance of showers and thunderstorms. Partly cloudy, with a low around 67. Calm wind. Chance of precipitation is 40%.

    Low: 67 °F

    Chance
    T-storms

  • Saturday

    Saturday: A chance of showers, with thunderstorms also possible after 7am. Partly sunny, with a high near 85. Calm wind becoming east around 5 mph in the afternoon. Chance of precipitation is 30%.

    High: 85 °F

    Chance
    Showers

  • Saturday Night

    Saturday Night: A 20 percent chance of showers and thunderstorms after 1am. Partly cloudy, with a low around 65. East wind around 5 mph becoming calm in the evening.

    Low: 65 °F

    Partly Cloudy
    then Slight
    Chance
    T-storms

  • Sunday

    Sunday: A 30 percent chance of showers and thunderstorms, mainly before 1pm. Partly sunny, with a high near 83.

    High: 83 °F

    Chance
    T-storms

Detailed Forecast

This Afternoon
A 20 percent chance of showers and thunderstorms. Partly sunny, with a high near 89. Heat index values as high as 96. Southwest wind around 5 mph.
Tonight
Scattered rain before 11pm, then a chance of showers and thunderstorms, mainly after 3am. Partly cloudy, with a low around 71. South wind around 5 mph becoming calm. Chance of precipitation is 30%.
Thursday
A 50 percent chance of showers and thunderstorms, mainly after 5pm. Partly sunny, with a high near 85. Southeast wind around 5 mph becoming southwest in the afternoon.
Thursday Night
A chance of showers and thunderstorms, then showers and possibly a thunderstorm after midnight. Low around 68. South wind around 5 mph becoming east after midnight. Chance of precipitation is 90%. New rainfall amounts between a half and three quarters of an inch possible.
Friday
A slight chance of showers and thunderstorms before 10am, then a slight chance of showers between 10am and 1pm. Partly sunny, with a high near 87. East wind around 5 mph becoming south in the afternoon. Chance of precipitation is 20%.
Friday Night
A chance of showers and thunderstorms. Partly cloudy, with a low around 67. Calm wind. Chance of precipitation is 40%.
Saturday
A chance of showers, with thunderstorms also possible after 7am. Partly sunny, with a high near 85. Calm wind becoming east around 5 mph in the afternoon. Chance of precipitation is 30%.
Saturday Night
A 20 percent chance of showers and thunderstorms after 1am. Partly cloudy, with a low around 65. East wind around 5 mph becoming calm in the evening.
Sunday
A 30 percent chance of showers and thunderstorms, mainly before 1pm. Partly sunny, with a high near 83.
Sunday Night
A slight chance of showers, then a chance of showers and thunderstorms after 1am. Mostly cloudy, with a low around 63. Chance of precipitation is 30%.
Labor Day
A 30 percent chance of showers and thunderstorms. Partly sunny, with a high near 79.
Monday Night
A 30 percent chance of showers and thunderstorms. Mostly cloudy, with a low around 61.
Tuesday
A 20 percent chance of showers and thunderstorms. Partly sunny, with a high near 78.
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Forecast Area
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ABOUT THIS FORECAST

 
Point Forecast:
3 Miles W Sun Prairie WI
 43.18°N 89.3°W (Elev. 915 ft)
Last Update:
12:56 pm CDT Sep 2, 2026
Forecast Valid:
1pm CDT Sep 2, 2026-6pm CDT Sep 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