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.

Fog/Mist

61°F

16°C

Humidity 97%
Wind Speed Calm
Barometer 29.31 in (992.5 mb)
Dewpoint 60°F (16°C)
Visibility 6.00 mi
Last update 17 Jun 8:53 pm CDT
Extended Forecast for

Sun Prairie WI

  • Tonight

    Tonight: Scattered showers and thunderstorms. Mostly cloudy, with a low around 54. Southwest wind 10 to 15 mph becoming northwest after midnight. Winds could gust as high as 25 mph. Chance of precipitation is 40%.

    Low: 54 °F

    Scattered
    T-storms then
    Scattered
    Showers

  • Thursday

    Thursday: A 20 percent chance of showers and thunderstorms after 4pm. Partly sunny, with a high near 72. Northwest wind 10 to 15 mph.

    High: 72 °F

    Mostly Cloudy
    then Slight
    Chance
    T-storms

  • Thursday Night

    Thursday Night: A 10 percent chance of showers and thunderstorms before 7pm. Mostly clear, with a low around 50. West wind 5 to 10 mph.

    Low: 50 °F

    Slight Chance
    T-storms then
    Mostly Clear

  • Juneteenth

    Juneteenth: Sunny, with a high near 73. Northwest wind 5 to 10 mph.

    High: 73 °F

    Sunny

  • Friday Night

    Friday Night: A 30 percent chance of showers and thunderstorms before 1am. Mostly clear, with a low around 54. West wind around 5 mph becoming calm in the evening.

    Low: 54 °F

    Chance
    Showers

  • Saturday

    Saturday: Sunny, with a high near 77. Northwest wind 5 to 10 mph.

    High: 77 °F

    Sunny

  • Saturday Night

    Saturday Night: A 20 percent chance of showers after 1am. Partly cloudy, with a low around 55. Northwest wind around 5 mph becoming calm in the evening.

    Low: 55 °F

    Partly Cloudy
    then Slight
    Chance
    Showers

  • Sunday

    Sunday: A chance of showers, then showers likely and possibly a thunderstorm after 1pm. Partly sunny, with a high near 72. East wind 5 to 10 mph. Chance of precipitation is 60%. New rainfall amounts between a quarter and half of an inch possible.

    High: 72 °F

    Showers
    Likely

  • Sunday Night

    Sunday Night: A 40 percent chance of showers, mainly before 1am. Mostly cloudy, with a low around 53.

    Low: 53 °F

    Chance
    Showers

Detailed Forecast

Tonight
Scattered showers and thunderstorms. Mostly cloudy, with a low around 54. Southwest wind 10 to 15 mph becoming northwest after midnight. Winds could gust as high as 25 mph. Chance of precipitation is 40%.
Thursday
A 20 percent chance of showers and thunderstorms after 4pm. Partly sunny, with a high near 72. Northwest wind 10 to 15 mph.
Thursday Night
A 10 percent chance of showers and thunderstorms before 7pm. Mostly clear, with a low around 50. West wind 5 to 10 mph.
Juneteenth
Sunny, with a high near 73. Northwest wind 5 to 10 mph.
Friday Night
A 30 percent chance of showers and thunderstorms before 1am. Mostly clear, with a low around 54. West wind around 5 mph becoming calm in the evening.
Saturday
Sunny, with a high near 77. Northwest wind 5 to 10 mph.
Saturday Night
A 20 percent chance of showers after 1am. Partly cloudy, with a low around 55. Northwest wind around 5 mph becoming calm in the evening.
Sunday
A chance of showers, then showers likely and possibly a thunderstorm after 1pm. Partly sunny, with a high near 72. East wind 5 to 10 mph. Chance of precipitation is 60%. New rainfall amounts between a quarter and half of an inch possible.
Sunday Night
A 40 percent chance of showers, mainly before 1am. Mostly cloudy, with a low around 53.
Monday
Mostly sunny, with a high near 74.
Monday Night
Partly cloudy, with a low around 52.
Tuesday
Mostly sunny, with a high near 77.
Tuesday Night
A 30 percent chance of showers and thunderstorms. Partly cloudy, with a low around 56.
Wednesday
A 30 percent chance of showers and thunderstorms. Mostly sunny, with a high near 77.
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Forecast Area
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ABOUT THIS FORECAST

 
Point Forecast:
Sun Prairie WI
 43.17°N 89.21°W (Elev. 948 ft)
Last Update:
8:37 pm CDT Jun 17, 2026
Forecast Valid:
9pm CDT Jun 17, 2026-6pm CDT Jun 24, 2026
 
Forecast Discussion
 
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Additional Resources

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Hourly Weather Forecast

National Digital Forecast Database

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High Temperature

National Digital Forecast Database Weather Element Forecast

Chance of Precipitation