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Heavy Rain in the Appalachians and Central Gulf Coast; Heat Continues in the West; Monitoring the Tropics

Heavy to excessive rainfall over the southern Appalachians and portions of the central Gulf Coast may bring areas of flooding today. Hot temperatures are in place through today across much of the western U.S. and New England. Tropical Storm Erin is forecast to become a Major Hurricane this weekend as it moves across the central Atlantic Ocean. Monitor future forecasts for any East Coast impacts. Read More >

Hazardous Weather Conditions

Current conditions at

Madison, Dane County Regional-Truax Field (KMSN)

Lat: 43.14°NLon: 89.35°WElev: 860ft.

Mostly Cloudy

76°F

24°C

Humidity 79%
Wind Speed Vrbl 6 mph
Barometer 29.93 in (1013.0 mb)
Dewpoint 69°F (21°C)
Visibility 10.00 mi
Heat Index77°F (25°C)
Last update 12 Aug 12:53 pm CDT
Extended Forecast for

Windsor WI

  • This Afternoon

    This Afternoon: A 20 percent chance of showers and thunderstorms. Partly sunny, with a high near 82. Southwest wind 5 to 10 mph.

    High: 82 °F

    Slight Chance
    T-storms

  • Tonight

    Tonight: A 30 percent chance of showers and thunderstorms, mainly before 9pm. Mostly clear, with a low around 59. Northwest wind around 5 mph.

    Low: 59 °F

    Chance
    T-storms then
    Mostly Clear

  • Wednesday

    Wednesday: Sunny, with a high near 79. Northwest wind around 5 mph.

    High: 79 °F

    Sunny

  • Wednesday Night

    Wednesday Night: Mostly clear, with a low around 58. Northwest wind around 5 mph becoming calm.

    Low: 58 °F

    Mostly Clear

  • Thursday

    Thursday: Sunny, with a high near 81. Calm wind becoming southeast around 5 mph in the afternoon.

    High: 81 °F

    Sunny

  • Thursday Night

    Thursday Night: Mostly clear, with a low around 60. Southeast wind around 5 mph.

    Low: 60 °F

    Mostly Clear

  • Friday

    Friday: Mostly sunny, with a high near 85. South wind 5 to 10 mph.

    High: 85 °F

    Mostly Sunny

  • Friday Night

    Friday Night: A 20 percent chance of showers and thunderstorms after 1am. Partly cloudy, with a low around 70. South wind around 5 mph.

    Low: 70 °F

    Mostly Clear
    then Slight
    Chance
    T-storms

  • Saturday

    Saturday: A 30 percent chance of showers and thunderstorms. Mostly sunny, with a high near 89.

    High: 89 °F

    Chance
    T-storms

Detailed Forecast

This Afternoon
A 20 percent chance of showers and thunderstorms. Partly sunny, with a high near 82. Southwest wind 5 to 10 mph.
Tonight
A 30 percent chance of showers and thunderstorms, mainly before 9pm. Mostly clear, with a low around 59. Northwest wind around 5 mph.
Wednesday
Sunny, with a high near 79. Northwest wind around 5 mph.
Wednesday Night
Mostly clear, with a low around 58. Northwest wind around 5 mph becoming calm.
Thursday
Sunny, with a high near 81. Calm wind becoming southeast around 5 mph in the afternoon.
Thursday Night
Mostly clear, with a low around 60. Southeast wind around 5 mph.
Friday
Mostly sunny, with a high near 85. South wind 5 to 10 mph.
Friday Night
A 20 percent chance of showers and thunderstorms after 1am. Partly cloudy, with a low around 70. South wind around 5 mph.
Saturday
A 30 percent chance of showers and thunderstorms. Mostly sunny, with a high near 89.
Saturday Night
A 40 percent chance of showers and thunderstorms. Partly cloudy, with a low around 68.
Sunday
A 30 percent chance of showers and thunderstorms. Partly sunny, with a high near 81.
Sunday Night
A 30 percent chance of showers and thunderstorms. Mostly cloudy, with a low around 64.
Monday
A 30 percent chance of showers and thunderstorms. Partly sunny, with a high near 79.
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Forecast Area
Tiles ©ESRI

ABOUT THIS FORECAST

 
Point Forecast:
Windsor WI
 43.22°N 89.33°W (Elev. 899 ft)
Last Update:
1:00 pm CDT Aug 12, 2025
Forecast Valid:
1pm CDT Aug 12, 2025-6pm CDT Aug 18, 2025
 
Forecast Discussion
 
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Additional Resources

Radar & Satellite Image

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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