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.

Mostly Cloudy

72°F

22°C

Humidity 64%
Wind Speed N 7 mph
Barometer 30.13 in (1019.9 mb)
Dewpoint 59°F (15°C)
Visibility 10.00 mi
Last update 28 Aug 2:53 pm CDT
Extended Forecast for

Monona WI

  • Tonight

    Tonight: Mostly clear, with a low around 48. East wind 5 to 10 mph.

    Low: 48 °F

    Mostly Clear

  • Friday

    Friday: Mostly sunny, with a high near 72. East wind around 5 mph.

    High: 72 °F

    Mostly Sunny

  • Friday Night

    Friday Night: A 20 percent chance of showers. Patchy fog after 3am. Otherwise, mostly cloudy, with a low around 54. East wind around 5 mph becoming calm.

    Low: 54 °F

    Slight Chance
    Showers and
    Patchy Fog

  • Saturday

    Saturday: Patchy fog before 7am. Otherwise, partly sunny, with a high near 74. Calm wind.

    High: 74 °F

    Patchy Fog
    then Mostly
    Sunny

  • Saturday Night

    Saturday Night: Partly cloudy, with a low around 54. Southeast wind around 5 mph becoming calm.

    Low: 54 °F

    Partly Cloudy

  • Sunday

    Sunday: Sunny, with a high near 76. Calm wind.

    High: 76 °F

    Sunny

  • Sunday Night

    Sunday Night: Mostly clear, with a low around 54. East wind around 5 mph becoming calm.

    Low: 54 °F

    Mostly Clear

  • Labor Day

    Labor Day: Sunny, with a high near 77. Calm wind.

    High: 77 °F

    Sunny

  • Monday Night

    Monday Night: Partly cloudy, with a low around 55.

    Low: 55 °F

    Partly Cloudy

Detailed Forecast

Tonight
Mostly clear, with a low around 48. East wind 5 to 10 mph.
Friday
Mostly sunny, with a high near 72. East wind around 5 mph.
Friday Night
A 20 percent chance of showers. Patchy fog after 3am. Otherwise, mostly cloudy, with a low around 54. East wind around 5 mph becoming calm.
Saturday
Patchy fog before 7am. Otherwise, partly sunny, with a high near 74. Calm wind.
Saturday Night
Partly cloudy, with a low around 54. Southeast wind around 5 mph becoming calm.
Sunday
Sunny, with a high near 76. Calm wind.
Sunday Night
Mostly clear, with a low around 54. East wind around 5 mph becoming calm.
Labor Day
Sunny, with a high near 77. Calm wind.
Monday Night
Partly cloudy, with a low around 55.
Tuesday
Mostly sunny, with a high near 77.
Tuesday Night
A 20 percent chance of showers. Partly cloudy, with a low around 57.
Wednesday
A 40 percent chance of showers. Partly sunny, with a high near 70.
Wednesday Night
A 30 percent chance of showers. Mostly cloudy, with a low around 47.
Thursday
A 20 percent chance of showers. Partly sunny, with a high near 62.
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Forecast Area
Tiles ©ESRI

ABOUT THIS FORECAST

 
Point Forecast:
Monona WI
 43.05°N 89.34°W (Elev. 850 ft)
Last Update:
2:54 pm CDT Aug 28, 2025
Forecast Valid:
3pm CDT Aug 28, 2025-6pm CDT Sep 4, 2025
 
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