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

Hazardous Weather Conditions

Current conditions at

Madison, Dane County Regional-Truax Field (KMSN)

Lat: 43.14°NLon: 89.35°WElev: 860ft.

Overcast

72°F

22°C

Humidity 66%
Wind Speed S 12 mph
Barometer 29.96 in (1013.8 mb)
Dewpoint 60°F (16°C)
Visibility 10.00 mi
Last update 25 Aug 11:53 pm CDT
Extended Forecast for

Deerfield WI

  • Overnight

    Overnight: A 50 percent chance of showers and thunderstorms after 4am. Mostly cloudy, with a low around 65. South wind 5 to 10 mph.

    Low: 65 °F

    Chance
    Showers

  • Wednesday

    Wednesday: A 30 percent chance of showers and thunderstorms before 7am. Mostly sunny, with a high near 82. Southwest wind 5 to 15 mph becoming northwest in the afternoon.

    High: 82 °F

    Chance
    Showers then
    Mostly Sunny

  • Wednesday Night

    Wednesday Night: Mostly clear, with a low around 61. Northwest wind 5 to 10 mph.

    Low: 61 °F

    Mostly Clear

  • Thursday

    Thursday: Increasing clouds, with a high near 80. North wind around 5 mph.

    High: 80 °F

    Increasing
    Clouds

  • Thursday Night

    Thursday Night: Mostly clear, with a low around 56. Calm wind.

    Low: 56 °F

    Mostly Clear

  • Friday

    Friday: Sunny, with a high near 81. Calm wind becoming south around 5 mph.

    High: 81 °F

    Sunny

  • Friday Night

    Friday Night: Partly cloudy, with a low around 60. South wind around 5 mph.

    Low: 60 °F

    Partly Cloudy

  • Saturday

    Saturday: Partly sunny, with a high near 80. South wind 5 to 10 mph.

    High: 80 °F

    Partly Sunny

  • Saturday Night

    Saturday Night: A 40 percent chance of showers and thunderstorms after 1am. Mostly cloudy, with a low around 65.

    Low: 65 °F

    Mostly Cloudy
    then Chance
    Showers

Detailed Forecast

Overnight
A 50 percent chance of showers and thunderstorms after 4am. Mostly cloudy, with a low around 65. South wind 5 to 10 mph.
Wednesday
A 30 percent chance of showers and thunderstorms before 7am. Mostly sunny, with a high near 82. Southwest wind 5 to 15 mph becoming northwest in the afternoon.
Wednesday Night
Mostly clear, with a low around 61. Northwest wind 5 to 10 mph.
Thursday
Increasing clouds, with a high near 80. North wind around 5 mph.
Thursday Night
Mostly clear, with a low around 56. Calm wind.
Friday
Sunny, with a high near 81. Calm wind becoming south around 5 mph.
Friday Night
Partly cloudy, with a low around 60. South wind around 5 mph.
Saturday
Partly sunny, with a high near 80. South wind 5 to 10 mph.
Saturday Night
A 40 percent chance of showers and thunderstorms after 1am. Mostly cloudy, with a low around 65.
Sunday
A 30 percent chance of showers and thunderstorms before 1pm. Partly sunny, with a high near 84.
Sunday Night
A 30 percent chance of showers and thunderstorms. Mostly cloudy, with a low around 68.
Monday
A 20 percent chance of showers and thunderstorms. Partly sunny, with a high near 84.
Monday Night
A 20 percent chance of showers and thunderstorms. Mostly cloudy, with a low around 64.
Tuesday
A 20 percent chance of showers. Partly sunny, with a high near 82.
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Forecast Area
Tiles ©ESRI

ABOUT THIS FORECAST

 
Point Forecast:
Deerfield WI
 43.04°N 89.07°W (Elev. 850 ft)
Last Update:
11:31 pm CDT Aug 25, 2026
Forecast Valid:
12am CDT Aug 26, 2026-6pm CDT Sep 1, 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