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.

Fair

40°F

4°C

Humidity 86%
Wind Speed Calm
Barometer 29.98 in (1015.5 mb)
Dewpoint 36°F (2°C)
Visibility 10.00 mi
Last update 11 Nov 12:53 am CST
Extended Forecast for

Sun Prairie WI

  • Overnight

    Overnight: A 20 percent chance of rain after 4am. Cloudy, with a low around 40. Calm wind.

    Low: 40 °F

    Slight Chance
    Rain

  • Veterans Day

    Veterans Day: A 50 percent chance of rain, mainly before noon. Cloudy, with a high near 52. Calm wind becoming northeast around 5 mph in the morning.

    High: 52 °F

    Chance Rain
    then Slight
    Chance Rain

  • Wednesday Night

    Wednesday Night: A 20 percent chance of rain between 2am and 4am. Mostly cloudy, with a low around 33. North wind 5 to 15 mph, with gusts as high as 30 mph.

    Low: 33 °F

    Slight Chance
    Rain

  • Thursday

    Thursday: A 30 percent chance of rain, mainly before 8am. Mostly cloudy, with a high near 41. Breezy, with a north wind 10 to 20 mph, with gusts as high as 30 mph.

    High: 41 °F

    Chance Rain
    and Breezy
    then Mostly
    Cloudy

  • Thursday Night

    Thursday Night: Mostly cloudy, then gradually becoming mostly clear, with a low around 26. North wind 5 to 10 mph.

    Low: 26 °F

    Decreasing
    Clouds

  • Friday

    Friday: Mostly sunny, with a high near 41. North wind 5 to 10 mph.

    High: 41 °F

    Mostly Sunny

  • Friday Night

    Friday Night: Mostly clear, with a low around 23. North wind around 5 mph.

    Low: 23 °F

    Mostly Clear

  • Saturday

    Saturday: Sunny, with a high near 44. North wind around 5 mph becoming calm in the afternoon.

    High: 44 °F

    Sunny

  • Saturday Night

    Saturday Night: Mostly clear, with a low around 25.

    Low: 25 °F

    Mostly Clear

Detailed Forecast

Overnight
A 20 percent chance of rain after 4am. Cloudy, with a low around 40. Calm wind.
Veterans Day
A 50 percent chance of rain, mainly before noon. Cloudy, with a high near 52. Calm wind becoming northeast around 5 mph in the morning.
Wednesday Night
A 20 percent chance of rain between 2am and 4am. Mostly cloudy, with a low around 33. North wind 5 to 15 mph, with gusts as high as 30 mph.
Thursday
A 30 percent chance of rain, mainly before 8am. Mostly cloudy, with a high near 41. Breezy, with a north wind 10 to 20 mph, with gusts as high as 30 mph.
Thursday Night
Mostly cloudy, then gradually becoming mostly clear, with a low around 26. North wind 5 to 10 mph.
Friday
Mostly sunny, with a high near 41. North wind 5 to 10 mph.
Friday Night
Mostly clear, with a low around 23. North wind around 5 mph.
Saturday
Sunny, with a high near 44. North wind around 5 mph becoming calm in the afternoon.
Saturday Night
Mostly clear, with a low around 25.
Sunday
Sunny, with a high near 46.
Sunday Night
Partly cloudy, with a low around 27.
Monday
Mostly sunny, with a high near 49.
Monday Night
Partly cloudy, with a low around 29.
Tuesday
Sunny, with a high near 51.
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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:
12:21 am CST Nov 11, 2026
Forecast Valid:
1am CST Nov 11, 2026-6pm CST Nov 17, 2026
 
Forecast Discussion
 
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Additional Resources

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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