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Hazardous Weather Conditions

Current conditions at

Madison, Dane County Regional-Truax Field (KMSN)

Lat: 43.14°NLon: 89.35°WElev: 860ft.

Overcast

76°F

24°C

Humidity 88%
Wind Speed SE 3 mph
Barometer 30.00 in (1015.1 mb)
Dewpoint 72°F (22°C)
Visibility 10.00 mi
Heat Index76°F (24°C)
Last update 15 Aug 10:53 pm CDT
Extended Forecast for

Sun Prairie WI

  • Tonight

    Tonight: A chance of sprinkles after 1am. Mostly cloudy, with a low around 70. Calm wind.

    Low: 70 °F

    Chance
    Sprinkles

  • Sunday

    Sunday: Partly sunny, with a high near 83. Northwest wind 5 to 10 mph.

    High: 83 °F

    Partly Sunny

  • Sunday Night

    Sunday Night: Partly cloudy, with a low around 61. Northwest wind around 5 mph becoming calm after midnight.

    Low: 61 °F

    Partly Cloudy

  • Monday

    Monday: Sunny, with a high near 80. Calm wind becoming west around 5 mph in the afternoon.

    High: 80 °F

    Sunny

  • Monday Night

    Monday Night: Increasing clouds, with a low around 63. Southwest wind around 5 mph.

    Low: 63 °F

    Increasing
    Clouds

  • Tuesday

    Tuesday: A chance of showers between 1pm and 4pm, then a chance of showers and thunderstorms after 4pm. Partly sunny, with a high near 81. West wind 5 to 10 mph. Chance of precipitation is 40%.

    High: 81 °F

    Partly Sunny
    then Chance
    Showers

  • Tuesday Night

    Tuesday Night: A chance of showers and thunderstorms. Mostly cloudy, with a low around 60. West wind around 5 mph becoming north after midnight. Chance of precipitation is 40%.

    Low: 60 °F

    Chance
    Showers

  • Wednesday

    Wednesday: A 30 percent chance of showers before 1pm. Partly sunny, with a high near 76. North wind around 5 mph.

    High: 76 °F

    Chance
    Showers

  • Wednesday Night

    Wednesday Night: Partly cloudy, with a low around 55.

    Low: 55 °F

    Partly Cloudy

Detailed Forecast

Tonight
A chance of sprinkles after 1am. Mostly cloudy, with a low around 70. Calm wind.
Sunday
Partly sunny, with a high near 83. Northwest wind 5 to 10 mph.
Sunday Night
Partly cloudy, with a low around 61. Northwest wind around 5 mph becoming calm after midnight.
Monday
Sunny, with a high near 80. Calm wind becoming west around 5 mph in the afternoon.
Monday Night
Increasing clouds, with a low around 63. Southwest wind around 5 mph.
Tuesday
A chance of showers between 1pm and 4pm, then a chance of showers and thunderstorms after 4pm. Partly sunny, with a high near 81. West wind 5 to 10 mph. Chance of precipitation is 40%.
Tuesday Night
A chance of showers and thunderstorms. Mostly cloudy, with a low around 60. West wind around 5 mph becoming north after midnight. Chance of precipitation is 40%.
Wednesday
A 30 percent chance of showers before 1pm. Partly sunny, with a high near 76. North wind around 5 mph.
Wednesday Night
Partly cloudy, with a low around 55.
Thursday
Mostly sunny, with a high near 75.
Thursday Night
Partly cloudy, with a low around 57.
Friday
A 20 percent chance of showers. Mostly sunny, with a high near 77.
Friday Night
A 20 percent chance of showers. Partly cloudy, with a low around 59.
Saturday
Mostly sunny, with a high near 78.
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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:
11:12 pm CDT Aug 15, 2026
Forecast Valid:
11pm CDT Aug 15, 2026-6pm CDT Aug 22, 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