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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.

Mostly Cloudy

48°F

9°C

Humidity 37%
Wind Speed N 5 mph
Barometer 29.83 in (1010.3 mb)
Dewpoint 23°F (-5°C)
Visibility 10.00 mi
Wind Chill46°F (8°C)
Last update 5 May 8:53 pm CDT
Extended Forecast for

Sun Prairie WI

Frost Advisory May 6, 01:00am until May 6, 08:00am
Click here for hazard details and duration
Frost Advisory

  • Tonight

    Tonight: Partly cloudy, with a low around 33. Northwest wind around 5 mph.

    Low: 33 °F

    Partly Cloudy

  • Wednesday

    Wednesday: Widespread frost before 7am. Otherwise, partly sunny, with a high near 55. Northwest wind 5 to 10 mph.

    High: 55 °F

    Frost then
    Partly Sunny

  • Wednesday Night

    Wednesday Night: Widespread frost between 3am and 5am. Otherwise, partly cloudy, with a low around 34. Northwest wind 5 to 10 mph becoming light west in the evening.

    Low: 34 °F

    Partly Cloudy
    then Frost

  • Thursday

    Thursday: A 30 percent chance of showers, mainly after 1pm. Areas of frost before 7am. Otherwise, mostly sunny, with a high near 59. West wind 5 to 15 mph.

    High: 59 °F

    Chance
    Showers

  • Thursday Night

    Thursday Night: Partly cloudy, with a low around 42. South wind around 5 mph.

    Low: 42 °F

    Partly Cloudy

  • Friday

    Friday: A 30 percent chance of showers after 1pm. Partly sunny, with a high near 65. Southwest wind 5 to 10 mph.

    High: 65 °F

    Partly Sunny
    then Chance
    Showers

  • Friday Night

    Friday Night: Partly cloudy, with a low around 44. West wind around 5 mph becoming calm.

    Low: 44 °F

    Partly Cloudy

  • Saturday

    Saturday: A 20 percent chance of showers and thunderstorms after 1pm. Mostly sunny, with a high near 71. Southwest wind 5 to 15 mph.

    High: 71 °F

    Sunny then
    Slight Chance
    T-storms

  • Saturday Night

    Saturday Night: A 40 percent chance of showers, mainly after 1am. Mostly cloudy, with a low around 45.

    Low: 45 °F

    Chance
    Showers

Detailed Forecast

Tonight
Partly cloudy, with a low around 33. Northwest wind around 5 mph.
Wednesday
Widespread frost before 7am. Otherwise, partly sunny, with a high near 55. Northwest wind 5 to 10 mph.
Wednesday Night
Widespread frost between 3am and 5am. Otherwise, partly cloudy, with a low around 34. Northwest wind 5 to 10 mph becoming light west in the evening.
Thursday
A 30 percent chance of showers, mainly after 1pm. Areas of frost before 7am. Otherwise, mostly sunny, with a high near 59. West wind 5 to 15 mph.
Thursday Night
Partly cloudy, with a low around 42. South wind around 5 mph.
Friday
A 30 percent chance of showers after 1pm. Partly sunny, with a high near 65. Southwest wind 5 to 10 mph.
Friday Night
Partly cloudy, with a low around 44. West wind around 5 mph becoming calm.
Saturday
A 20 percent chance of showers and thunderstorms after 1pm. Mostly sunny, with a high near 71. Southwest wind 5 to 15 mph.
Saturday Night
A 40 percent chance of showers, mainly after 1am. Mostly cloudy, with a low around 45.
Sunday
A 20 percent chance of showers before 1pm. Partly sunny, with a high near 63.
Sunday Night
Partly cloudy, with a low around 40.
Monday
Mostly sunny, with a high near 64.
Monday Night
Partly cloudy, with a low around 43.
Tuesday
A 20 percent chance of showers. Mostly sunny, with a high near 70.
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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:
8:37 pm CDT May 5, 2026
Forecast Valid:
9pm CDT May 5, 2026-6pm CDT May 12, 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