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.

Fair

86°F

30°C

Humidity 30%
Wind Speed SW 3 mph
Barometer 30.17 in (1021.3 mb)
Dewpoint 51°F (11°C)
Visibility 10.00 mi
Heat Index84°F (29°C)
Last update 29 Sep 3:53 pm CDT
Extended Forecast for

Monona WI

  • Tonight

    Tonight: Patchy fog after 4am. Otherwise, increasing clouds, with a low around 57. South wind around 5 mph becoming calm.

    Low: 57 °F

    Mostly Clear
    then Patchy
    Fog

  • Tuesday

    Tuesday: Patchy fog before 8am. Otherwise, mostly sunny, with a high near 83. Calm wind becoming east around 5 mph in the afternoon.

    High: 83 °F

    Patchy Fog
    then Mostly
    Sunny

  • Tuesday Night

    Tuesday Night: Mostly cloudy, with a low around 58. East wind around 5 mph.

    Low: 58 °F

    Mostly Cloudy

  • Wednesday

    Wednesday: Partly sunny, with a high near 79. Southeast wind 5 to 10 mph.

    High: 79 °F

    Partly Sunny

  • Wednesday Night

    Wednesday Night: Mostly cloudy, with a low around 56. East wind 5 to 10 mph.

    Low: 56 °F

    Mostly Cloudy

  • Thursday

    Thursday: Sunny, with a high near 83. South wind around 5 mph.

    High: 83 °F

    Sunny

  • Thursday Night

    Thursday Night: Mostly clear, with a low around 59. Southeast wind around 5 mph.

    Low: 59 °F

    Mostly Clear

  • Friday

    Friday: Sunny, with a high near 87. Southwest wind 5 to 10 mph.

    High: 87 °F

    Sunny

  • Friday Night

    Friday Night: Mostly clear, with a low around 65.

    Low: 65 °F

    Mostly Clear

Detailed Forecast

Tonight
Patchy fog after 4am. Otherwise, increasing clouds, with a low around 57. South wind around 5 mph becoming calm.
Tuesday
Patchy fog before 8am. Otherwise, mostly sunny, with a high near 83. Calm wind becoming east around 5 mph in the afternoon.
Tuesday Night
Mostly cloudy, with a low around 58. East wind around 5 mph.
Wednesday
Partly sunny, with a high near 79. Southeast wind 5 to 10 mph.
Wednesday Night
Mostly cloudy, with a low around 56. East wind 5 to 10 mph.
Thursday
Sunny, with a high near 83. South wind around 5 mph.
Thursday Night
Mostly clear, with a low around 59. Southeast wind around 5 mph.
Friday
Sunny, with a high near 87. Southwest wind 5 to 10 mph.
Friday Night
Mostly clear, with a low around 65.
Saturday
A 20 percent chance of showers after 1pm. Mostly sunny, with a high near 85.
Saturday Night
A 20 percent chance of showers. Partly cloudy, with a low around 63.
Sunday
Mostly sunny, with a high near 83.
Sunday Night
A 20 percent chance of showers. Partly cloudy, with a low around 63.
Monday
A 20 percent chance of showers. Mostly sunny, with a high near 79.
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Forecast Area
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ABOUT THIS FORECAST

 
Point Forecast:
Monona WI
 43.07°N 89.31°W (Elev. 932 ft)
Last Update:
4:11 pm CDT Sep 29, 2025
Forecast Valid:
4pm CDT Sep 29, 2025-6pm CDT Oct 6, 2025
 
Forecast Discussion
 
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Additional Resources

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High Temperature

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Chance of Precipitation