National Oceanic and Atmospheric Administration National Weather Service United States Department of Commerce
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 56%
Wind Speed E 12 G 20 mph
Barometer 29.98 in (1014.9 mb)
Dewpoint 59°F (15°C)
Visibility 10.00 mi
Heat Index78°F (26°C)
Last update 27 Jun 2:53 pm CDT
Extended Forecast for

Monona WI

  • Tonight

    Tonight: Partly cloudy, with a low around 60. East wind 5 to 10 mph.

    Low: 60 °F

    Partly Cloudy

  • Sunday

    Sunday: Isolated showers and thunderstorms between 1pm and 2pm. Partly sunny, with a high near 83. Southeast wind 5 to 15 mph. Chance of precipitation is 20%.

    High: 83 °F

    Partly Sunny
    then Isolated
    T-storms

  • Sunday Night

    Sunday Night: A slight chance of showers and thunderstorms. Mostly cloudy, with a low around 72. Southeast wind 10 to 15 mph. Chance of precipitation is 20%.

    Low: 72 °F

    Slight Chance
    T-storms

  • Monday

    Monday: Mostly cloudy, then gradually becoming sunny and hot, with a high near 93. Heat index values as high as 103. South wind 10 to 15 mph.

    High: 93 °F

    Hot

  • Monday Night

    Monday Night: Mostly clear, with a low around 76. South wind 10 to 15 mph.

    Low: 76 °F

    Mostly Clear

  • Tuesday

    Tuesday: Sunny and hot, with a high near 95. Southwest wind 10 to 15 mph.

    High: 95 °F

    Hot

  • Tuesday Night

    Tuesday Night: A 20 percent chance of showers and thunderstorms after 1am. Mostly clear, with a low around 75. Southwest wind 10 to 15 mph.

    Low: 75 °F

    Mostly Clear
    then Slight
    Chance
    T-storms

  • Wednesday

    Wednesday: A 20 percent chance of showers and thunderstorms after 1pm. Sunny and hot, with a high near 92. Southwest wind around 10 mph.

    High: 92 °F

    Sunny then
    Slight Chance
    T-storms

  • Wednesday Night

    Wednesday Night: A 20 percent chance of showers and thunderstorms. Mostly clear, with a low around 75.

    Low: 75 °F

    Slight Chance
    T-storms

Detailed Forecast

Tonight
Partly cloudy, with a low around 60. East wind 5 to 10 mph.
Sunday
Isolated showers and thunderstorms between 1pm and 2pm. Partly sunny, with a high near 83. Southeast wind 5 to 15 mph. Chance of precipitation is 20%.
Sunday Night
A slight chance of showers and thunderstorms. Mostly cloudy, with a low around 72. Southeast wind 10 to 15 mph. Chance of precipitation is 20%.
Monday
Mostly cloudy, then gradually becoming sunny and hot, with a high near 93. Heat index values as high as 103. South wind 10 to 15 mph.
Monday Night
Mostly clear, with a low around 76. South wind 10 to 15 mph.
Tuesday
Sunny and hot, with a high near 95. Southwest wind 10 to 15 mph.
Tuesday Night
A 20 percent chance of showers and thunderstorms after 1am. Mostly clear, with a low around 75. Southwest wind 10 to 15 mph.
Wednesday
A 20 percent chance of showers and thunderstorms after 1pm. Sunny and hot, with a high near 92. Southwest wind around 10 mph.
Wednesday Night
A 20 percent chance of showers and thunderstorms. Mostly clear, with a low around 75.
Thursday
A 30 percent chance of showers and thunderstorms after 1pm. Sunny and hot, with a high near 93.
Thursday Night
A 40 percent chance of showers and thunderstorms. Partly cloudy, with a low around 73.
Friday
A 40 percent chance of showers and thunderstorms. Mostly sunny and hot, with a high near 91.
Friday Night
A 50 percent chance of showers and thunderstorms. Partly cloudy, with a low around 71.
Independence Day
A 20 percent chance of showers and thunderstorms. Mostly sunny, with a high near 88.
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Forecast Area
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ABOUT THIS FORECAST

 
Point Forecast:
Monona WI
 43.07°N 89.34°W (Elev. 850 ft)
Last Update:
2:37 pm CDT Jun 27, 2026
Forecast Valid:
3pm CDT Jun 27, 2026-6pm CDT Jul 4, 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