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

Heavy to Excessive Rainfall for the Southwest U.S.; Watching for Possible East Coast Storm

Thunderstorms and a chance for some isolated flash flooding will continue today in the Southwest U.S. before an influx of tropical moisture from Priscilla brings widespread heavy rainfall and a flash flooding threat late this week into this weekend. A coastal storm may develop off the southeast U.S. coast Friday night and drift north just off the Mid-Atlantic coast through the weekend. Read More >

Hazardous Weather Conditions

Current conditions at

Madison, Dane County Regional-Truax Field (KMSN)

Lat: 43.14°NLon: 89.35°WElev: 860ft.

Fair

54°F

12°C

Humidity 45%
Wind Speed Calm
Barometer 30.39 in (1029.8 mb)
Dewpoint 33°F (1°C)
Visibility 10.00 mi
Last update 8 Oct 5:53 pm CDT
Extended Forecast for

3 Miles WNW Sun Prairie WI

  • Tonight

    Tonight: Clear, with a low around 36. Northeast wind around 5 mph becoming calm.

    Low: 36 °F

    Clear

  • Thursday

    Thursday: Patchy frost before 8am. Otherwise, sunny, with a high near 65. Light and variable wind becoming south 5 to 10 mph in the morning.

    High: 65 °F

    Patchy Frost
    then Sunny

  • Thursday Night

    Thursday Night: A 20 percent chance of showers after 1am. Increasing clouds, with a low around 45. Southeast wind around 5 mph.

    Low: 45 °F

    Mostly Clear
    then Slight
    Chance
    Showers

  • Friday

    Friday: A 20 percent chance of showers before 1pm. Partly sunny, with a high near 70. Southwest wind around 10 mph.

    High: 70 °F

    Slight Chance
    Showers

  • Friday Night

    Friday Night: Mostly clear, with a low around 43. West wind 5 to 10 mph becoming north after midnight.

    Low: 43 °F

    Mostly Clear

  • Saturday

    Saturday: Mostly sunny, with a high near 67. Northwest wind 5 to 10 mph becoming northeast in the afternoon.

    High: 67 °F

    Mostly Sunny

  • Saturday Night

    Saturday Night: Partly cloudy, with a low around 44. East wind around 5 mph.

    Low: 44 °F

    Partly Cloudy

  • Sunday

    Sunday: Mostly sunny, with a high near 69. Southeast wind 5 to 15 mph.

    High: 69 °F

    Mostly Sunny

  • Sunday Night

    Sunday Night: A 30 percent chance of showers. Mostly cloudy, with a low around 54.

    Low: 54 °F

    Chance
    Showers

Detailed Forecast

Tonight
Clear, with a low around 36. Northeast wind around 5 mph becoming calm.
Thursday
Patchy frost before 8am. Otherwise, sunny, with a high near 65. Light and variable wind becoming south 5 to 10 mph in the morning.
Thursday Night
A 20 percent chance of showers after 1am. Increasing clouds, with a low around 45. Southeast wind around 5 mph.
Friday
A 20 percent chance of showers before 1pm. Partly sunny, with a high near 70. Southwest wind around 10 mph.
Friday Night
Mostly clear, with a low around 43. West wind 5 to 10 mph becoming north after midnight.
Saturday
Mostly sunny, with a high near 67. Northwest wind 5 to 10 mph becoming northeast in the afternoon.
Saturday Night
Partly cloudy, with a low around 44. East wind around 5 mph.
Sunday
Mostly sunny, with a high near 69. Southeast wind 5 to 15 mph.
Sunday Night
A 30 percent chance of showers. Mostly cloudy, with a low around 54.
Columbus Day
Partly sunny, with a high near 73.
Monday Night
A 20 percent chance of showers. Mostly cloudy, with a low around 52.
Tuesday
A 20 percent chance of showers. Mostly sunny, with a high near 71.
Tuesday Night
A 20 percent chance of showers. Partly cloudy, with a low around 52.
Wednesday
Mostly sunny, with a high near 73.
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Forecast Area
Tiles ©ESRI

ABOUT THIS FORECAST

 
Point Forecast:
3 Miles WNW Sun Prairie WI
 43.2°N 89.3°W (Elev. 856 ft)
Last Update:
4:12 pm CDT Oct 8, 2025
Forecast Valid:
6pm CDT Oct 8, 2025-6pm CDT Oct 15, 2025
 
Forecast Discussion
 
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