National Oceanic and Atmospheric Administration National Weather Service United States Department of Commerce

Excessive Rainfall Possible This Weekend; October Heat Wave in California

A slow moving front will be the focus area for heavy to excessive rainfall and a threat for flash/urban flooding across the northern Gulf Coast and Southeast U.S. through this weekend. Abnormally hot, potentially record-breaking, temperatures will impact southern California and stretch north toward the Bay Area and Central Valley into next week. Read More >

Hazardous Weather Conditions

Current conditions at

Madison, Dane County Regional-Truax Field (KMSN)

Lat: 43.14°NLon: 89.35°WElev: 860ft.

A Few Clouds

62°F

17°C

Humidity 58%
Wind Speed NW 10 G 18 mph
Barometer 30.19 in (1022.2 mb)
Dewpoint 47°F (8°C)
Visibility 10.00 mi
Last update 4 Oct 10:53 am CDT
Extended Forecast for

Sun Prairie WI

  • Today

    Today: Sunny, with a high near 65. Northwest wind 10 to 15 mph.

    High: 65 °F

    Sunny

  • Tonight

    Tonight: Clear, with a low around 41. Northwest wind around 5 mph.

    Low: 41 °F

    Clear

  • Monday

    Monday: Sunny, with a high near 63. Calm wind.

    High: 63 °F

    Sunny

  • Monday Night

    Monday Night: Mostly clear, with a low around 46. Calm wind becoming south around 5 mph after midnight.

    Low: 46 °F

    Mostly Clear

  • Tuesday

    Tuesday: Sunny, with a high near 70. Southwest wind 10 to 15 mph, with gusts as high as 25 mph.

    High: 70 °F

    Sunny

  • Tuesday Night

    Tuesday Night: Mostly clear, with a low around 52. Southwest wind 5 to 10 mph.

    Low: 52 °F

    Mostly Clear

  • Wednesday

    Wednesday: Sunny, with a high near 71. West wind 5 to 10 mph.

    High: 71 °F

    Sunny

  • Wednesday Night

    Wednesday Night: Mostly clear, with a low around 47. West wind around 5 mph.

    Low: 47 °F

    Mostly Clear

  • Thursday

    Thursday: Mostly sunny, with a high near 67.

    High: 67 °F

    Mostly Sunny

Detailed Forecast

Today
Sunny, with a high near 65. Northwest wind 10 to 15 mph.
Tonight
Clear, with a low around 41. Northwest wind around 5 mph.
Monday
Sunny, with a high near 63. Calm wind.
Monday Night
Mostly clear, with a low around 46. Calm wind becoming south around 5 mph after midnight.
Tuesday
Sunny, with a high near 70. Southwest wind 10 to 15 mph, with gusts as high as 25 mph.
Tuesday Night
Mostly clear, with a low around 52. Southwest wind 5 to 10 mph.
Wednesday
Sunny, with a high near 71. West wind 5 to 10 mph.
Wednesday Night
Mostly clear, with a low around 47. West wind around 5 mph.
Thursday
Mostly sunny, with a high near 67.
Thursday Night
Partly cloudy, with a low around 46.
Friday
Mostly sunny, with a high near 67.
Friday Night
Mostly clear, with a low around 48.
Saturday
Sunny, with a high near 71.
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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:
11:12 am CDT Oct 4, 2026
Forecast Valid:
11am CDT Oct 4, 2026-6pm CDT Oct 10, 2026
 
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