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.

Mostly Cloudy

65°F

18°C

Humidity 59%
Wind Speed NE 3 mph
Barometer 29.86 in (1010.9 mb)
Dewpoint 50°F (10°C)
Visibility 10.00 mi
Last update 15 May 7:53 pm CDT
Extended Forecast for

Sun Prairie WI

  • Tonight

    Tonight: Mostly cloudy, then gradually becoming mostly clear, with a low around 47. East wind around 5 mph.

    Low: 47 °F

    Decreasing
    Clouds

  • Thursday

    Thursday: A chance of showers and thunderstorms, then showers likely and possibly a thunderstorm after 3pm. Partly sunny, with a high near 73. South wind 5 to 10 mph. Chance of precipitation is 60%. New rainfall amounts of less than a tenth of an inch, except higher amounts possible in thunderstorms.

    High: 73 °F

    Chance
    Showers then
    Showers
    Likely

  • Thursday Night

    Thursday Night: Showers and thunderstorms likely, mainly before 10pm. Partly cloudy, with a low around 53. Southwest wind 5 to 10 mph becoming west after midnight. Chance of precipitation is 60%. New rainfall amounts of less than a tenth of an inch, except higher amounts possible in thunderstorms.

    Low: 53 °F

    Showers
    Likely then
    Slight Chance
    T-storms

  • Friday

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

    High: 80 °F

    Sunny

  • Friday Night

    Friday Night: Mostly clear, with a low around 56. East wind around 5 mph.

    Low: 56 °F

    Mostly Clear

  • Saturday

    Saturday: A slight chance of showers between 1pm and 4pm, then a slight chance of showers and thunderstorms after 4pm. Sunny, with a high near 81. Southeast wind 5 to 10 mph. Chance of precipitation is 20%.

    High: 81 °F

    Sunny then
    Slight Chance
    T-storms

  • Saturday Night

    Saturday Night: A 20 percent chance of showers and thunderstorms before 1am. Partly cloudy, with a low around 56. South wind 5 to 10 mph becoming northwest after midnight.

    Low: 56 °F

    Slight Chance
    T-storms

  • Sunday

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

    High: 77 °F

    Sunny

  • Sunday Night

    Sunday Night: A 30 percent chance of showers and thunderstorms after 1am. Partly cloudy, with a low around 56.

    Low: 56 °F

    Partly Cloudy
    then Chance
    Showers

Detailed Forecast

Tonight
Mostly cloudy, then gradually becoming mostly clear, with a low around 47. East wind around 5 mph.
Thursday
A chance of showers and thunderstorms, then showers likely and possibly a thunderstorm after 3pm. Partly sunny, with a high near 73. South wind 5 to 10 mph. Chance of precipitation is 60%. New rainfall amounts of less than a tenth of an inch, except higher amounts possible in thunderstorms.
Thursday Night
Showers and thunderstorms likely, mainly before 10pm. Partly cloudy, with a low around 53. Southwest wind 5 to 10 mph becoming west after midnight. Chance of precipitation is 60%. New rainfall amounts of less than a tenth of an inch, except higher amounts possible in thunderstorms.
Friday
Sunny, with a high near 80. Calm wind becoming southeast around 5 mph in the afternoon.
Friday Night
Mostly clear, with a low around 56. East wind around 5 mph.
Saturday
A slight chance of showers between 1pm and 4pm, then a slight chance of showers and thunderstorms after 4pm. Sunny, with a high near 81. Southeast wind 5 to 10 mph. Chance of precipitation is 20%.
Saturday Night
A 20 percent chance of showers and thunderstorms before 1am. Partly cloudy, with a low around 56. South wind 5 to 10 mph becoming northwest after midnight.
Sunday
Sunny, with a high near 77. Northwest wind 5 to 10 mph.
Sunday Night
A 30 percent chance of showers and thunderstorms after 1am. Partly cloudy, with a low around 56.
Monday
A 40 percent chance of showers and thunderstorms. Partly sunny, with a high near 79.
Monday Night
A 50 percent chance of showers and thunderstorms. Mostly cloudy, with a low around 59.
Tuesday
Showers and thunderstorms likely. Mostly cloudy, with a high near 75. Chance of precipitation is 60%.
Tuesday Night
A 40 percent chance of showers and thunderstorms. Mostly cloudy, with a low around 54.
Wednesday
A 20 percent chance of showers. Mostly sunny, with a high near 72.
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ABOUT THIS FORECAST

 
Point Forecast:
Sun Prairie WI
 43.17°N 89.21°W (Elev. 948 ft)
Last Update:
5:55 pm CDT May 15, 2024
Forecast Valid:
8pm CDT May 15, 2024-6pm CDT May 22, 2024
 
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