Hazardous Weather Conditions

Current conditions at

Madison, Dane County Regional-Truax Field (KMSN)

Lat: 43.14°NLon: 89.35°WElev: 860ft.

Fair

49°F

9°C

Humidity 43%
Wind Speed NW 9 G 18 mph
Barometer 29.66 in (1004.0 mb)
Dewpoint 27°F (-3°C)
Visibility 10.00 mi
Wind Chill45°F (7°C)
Last update 5 May 1:53 am CDT
Extended Forecast for

Sun Prairie WI

  • Overnight

    Overnight: Mostly cloudy, with a low around 41. West wind 5 to 10 mph.

    Low: 41 °F

    Mostly Cloudy

  • Tuesday

    Tuesday: Mostly sunny, with a high near 57. West wind 5 to 10 mph.

    High: 57 °F

    Mostly Sunny

  • Tuesday Night

    Tuesday Night: Partly cloudy, with a low around 35. Northwest wind around 5 mph.

    Low: 35 °F

    Partly Cloudy

  • Wednesday

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

    High: 55 °F

    Areas Frost
    then Partly
    Sunny

  • Wednesday Night

    Wednesday Night: Areas of frost after 3am.  Otherwise, partly cloudy, with a low around 35. Northwest wind around 5 mph becoming calm  in the evening.

    Low: 35 °F

    Partly Cloudy
    then Areas
    Frost

  • Thursday

    Thursday: A 20 percent chance of showers after 1pm.  Areas of frost before 8am.  Otherwise, mostly sunny, with a high near 60. West wind 5 to 10 mph.

    High: 60 °F

    Areas Frost
    then Slight
    Chance
    Showers

  • Thursday Night

    Thursday Night: Partly cloudy, with a low around 40. West wind around 5 mph becoming south in the evening.

    Low: 40 °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 becoming west in the afternoon.

    High: 65 °F

    Partly Sunny
    then Chance
    Showers

  • Friday Night

    Friday Night: A 20 percent chance of showers before 1am.  Partly cloudy, with a low around 42.

    Low: 42 °F

    Slight Chance
    Showers

Detailed Forecast

Overnight
Mostly cloudy, with a low around 41. West wind 5 to 10 mph.
Tuesday
Mostly sunny, with a high near 57. West wind 5 to 10 mph.
Tuesday Night
Partly cloudy, with a low around 35. Northwest wind around 5 mph.
Wednesday
Areas of frost before 7am. Otherwise, mostly sunny, with a high near 55. Northwest wind 5 to 10 mph.
Wednesday Night
Areas of frost after 3am. Otherwise, partly cloudy, with a low around 35. Northwest wind around 5 mph becoming calm in the evening.
Thursday
A 20 percent chance of showers after 1pm. Areas of frost before 8am. Otherwise, mostly sunny, with a high near 60. West wind 5 to 10 mph.
Thursday Night
Partly cloudy, with a low around 40. West wind around 5 mph becoming south in the evening.
Friday
A 30 percent chance of showers after 1pm. Partly sunny, with a high near 65. Southwest wind 5 to 10 mph becoming west in the afternoon.
Friday Night
A 20 percent chance of showers before 1am. Partly cloudy, with a low around 42.
Saturday
Sunny, with a high near 70.
Saturday Night
A 30 percent chance of showers. Mostly cloudy, with a low around 46.
Sunday
A 30 percent chance of showers. Partly sunny, with a high near 63.
Sunday Night
Partly cloudy, with a low around 40.
Monday
Mostly sunny, with a high near 64.
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ABOUT THIS FORECAST

 
Point Forecast:
Sun Prairie WI
 43.17°N 89.24°W (Elev. 965 ft)
1:21 am CDT May 5, 2026
2am CDT May 5, 2026-6pm CDT May 11, 2026
 
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Additional Resources

Radar & Satellite Image

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Hourly Weather Forecast

National Digital Forecast Database