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.

Partly Cloudy

80°F

27°C

Humidity 74%
Wind Speed NE 8 mph
Barometer 29.81 in (1008.9 mb)
Dewpoint 71°F (22°C)
Visibility 10.00 mi
Heat Index83°F (28°C)
Last update 12 Aug 6:53 pm CDT
Extended Forecast for

De Forest WI

  • Tonight

    Tonight: Patchy smoke after 9pm. Patchy fog after 4am. Otherwise, partly cloudy, with a low around 66. Calm wind.

    Low: 66 °F

    Patchy Smoke
    then Patchy
    Fog

  • Thursday

    Thursday: Showers likely, mainly between 10am and 1pm. Patchy smoke before 8am. Areas of fog before 9am. Otherwise, mostly cloudy, with a high near 77. Calm wind becoming southeast around 5 mph in the morning. Chance of precipitation is 70%. New precipitation amounts between a tenth and quarter of an inch possible.

    High: 77 °F

    Showers
    Likely and
    Areas Fog

  • Thursday Night

    Thursday Night: A 30 percent chance of showers, mainly after 3am. Patchy fog after 1am. Otherwise, mostly cloudy, with a low around 63. Southeast wind around 5 mph becoming calm in the evening.

    Low: 63 °F

    Chance
    Showers and
    Patchy Fog

  • Friday

    Friday: A 30 percent chance of showers, mainly before 1pm. Partly sunny, with a high near 79. East wind 5 to 10 mph.

    High: 79 °F

    Chance
    Showers

  • Friday Night

    Friday Night: A chance of showers and thunderstorms before 10pm, then a chance of showers between 10pm and 1am, then a chance of showers and thunderstorms after 1am. Mostly cloudy, with a low around 63. East wind 5 to 10 mph. Chance of precipitation is 50%.

    Low: 63 °F

    Chance
    Showers

  • Saturday

    Saturday: A 40 percent chance of showers and thunderstorms before 1pm. Mostly cloudy, with a high near 81. East wind 5 to 10 mph becoming south in the afternoon.

    High: 81 °F

    Chance
    Showers

  • Saturday Night

    Saturday Night: A chance of showers and thunderstorms, then showers likely and possibly a thunderstorm after 1am. Mostly cloudy, with a low around 66. South wind around 5 mph becoming calm in the evening. Chance of precipitation is 60%. New rainfall amounts between a tenth and quarter of an inch, except higher amounts possible in thunderstorms.

    Low: 66 °F

    Chance
    T-storms then
    Showers
    Likely

  • Sunday

    Sunday: A 30 percent chance of showers and thunderstorms. Mostly cloudy, with a high near 80. Northwest wind 5 to 10 mph.

    High: 80 °F

    Chance
    Showers

  • Sunday Night

    Sunday Night: Partly cloudy, with a low around 60.

    Low: 60 °F

    Partly Cloudy

Detailed Forecast

Tonight
Patchy smoke after 9pm. Patchy fog after 4am. Otherwise, partly cloudy, with a low around 66. Calm wind.
Thursday
Showers likely, mainly between 10am and 1pm. Patchy smoke before 8am. Areas of fog before 9am. Otherwise, mostly cloudy, with a high near 77. Calm wind becoming southeast around 5 mph in the morning. Chance of precipitation is 70%. New precipitation amounts between a tenth and quarter of an inch possible.
Thursday Night
A 30 percent chance of showers, mainly after 3am. Patchy fog after 1am. Otherwise, mostly cloudy, with a low around 63. Southeast wind around 5 mph becoming calm in the evening.
Friday
A 30 percent chance of showers, mainly before 1pm. Partly sunny, with a high near 79. East wind 5 to 10 mph.
Friday Night
A chance of showers and thunderstorms before 10pm, then a chance of showers between 10pm and 1am, then a chance of showers and thunderstorms after 1am. Mostly cloudy, with a low around 63. East wind 5 to 10 mph. Chance of precipitation is 50%.
Saturday
A 40 percent chance of showers and thunderstorms before 1pm. Mostly cloudy, with a high near 81. East wind 5 to 10 mph becoming south in the afternoon.
Saturday Night
A chance of showers and thunderstorms, then showers likely and possibly a thunderstorm after 1am. Mostly cloudy, with a low around 66. South wind around 5 mph becoming calm in the evening. Chance of precipitation is 60%. New rainfall amounts between a tenth and quarter of an inch, except higher amounts possible in thunderstorms.
Sunday
A 30 percent chance of showers and thunderstorms. Mostly cloudy, with a high near 80. Northwest wind 5 to 10 mph.
Sunday Night
Partly cloudy, with a low around 60.
Monday
Mostly sunny, with a high near 77.
Monday Night
Mostly clear, with a low around 59.
Tuesday
Mostly sunny, with a high near 78.
Tuesday Night
A 30 percent chance of showers and thunderstorms. Partly cloudy, with a low around 62.
Wednesday
A 40 percent chance of showers and thunderstorms. Mostly sunny, with a high near 79.
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Forecast Area
Tiles ©ESRI

ABOUT THIS FORECAST

 
Point Forecast:
De Forest WI
 43.24°N 89.36°W (Elev. 899 ft)
Last Update:
5:46 pm CDT Aug 12, 2026
Forecast Valid:
7pm CDT Aug 12, 2026-6pm CDT Aug 19, 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