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.

A Few Clouds

46°F

8°C

Humidity 61%
Wind Speed E 5 mph
Barometer 30.09 in (1019.6 mb)
Dewpoint 33°F (1°C)
Visibility 10.00 mi
Wind Chill44°F (7°C)
Last update 19 Mar 11:53 am CDT
Extended Forecast for

Monona WI

  • This Afternoon

    This Afternoon: Mostly sunny, with a high near 48. East wind around 5 mph.

    High: 48 °F

    Mostly Sunny

  • Tonight

    Tonight: Patchy fog after 8pm. Otherwise, mostly cloudy, with a low around 36. Southeast wind around 5 mph becoming southwest after midnight.

    Low: 36 °F

    Patchy Fog

  • Friday

    Friday: Patchy fog between 10am and 11am. Otherwise, mostly cloudy, with a high near 55. West wind 5 to 10 mph becoming north in the afternoon.

    High: 55 °F

    Patchy Fog
    then Partly
    Sunny

  • Friday Night

    Friday Night: Patchy fog after 10pm. Otherwise, mostly cloudy, with a low around 37. North wind around 5 mph becoming calm.

    Low: 37 °F

    Patchy Fog

  • Saturday

    Saturday: Mostly sunny, with a high near 67. South wind 5 to 10 mph.

    High: 67 °F

    Mostly Sunny

  • Saturday Night

    Saturday Night: A 20 percent chance of rain after 1am. Mostly cloudy, with a low around 41. South wind around 10 mph becoming northeast after midnight.

    Low: 41 °F

    Partly Cloudy
    then Slight
    Chance Rain

  • Sunday

    Sunday: A 20 percent chance of rain before 1pm. Mostly cloudy, with a high near 47. Northeast wind 10 to 15 mph.

    High: 47 °F

    Slight Chance
    Rain

  • Sunday Night

    Sunday Night: Mostly cloudy, with a low around 26. North wind 5 to 10 mph.

    Low: 26 °F

    Mostly Cloudy

  • Monday

    Monday: Sunny, with a high near 44.

    High: 44 °F

    Sunny

Detailed Forecast

This Afternoon
Mostly sunny, with a high near 48. East wind around 5 mph.
Tonight
Patchy fog after 8pm. Otherwise, mostly cloudy, with a low around 36. Southeast wind around 5 mph becoming southwest after midnight.
Friday
Patchy fog between 10am and 11am. Otherwise, mostly cloudy, with a high near 55. West wind 5 to 10 mph becoming north in the afternoon.
Friday Night
Patchy fog after 10pm. Otherwise, mostly cloudy, with a low around 37. North wind around 5 mph becoming calm.
Saturday
Mostly sunny, with a high near 67. South wind 5 to 10 mph.
Saturday Night
A 20 percent chance of rain after 1am. Mostly cloudy, with a low around 41. South wind around 10 mph becoming northeast after midnight.
Sunday
A 20 percent chance of rain before 1pm. Mostly cloudy, with a high near 47. Northeast wind 10 to 15 mph.
Sunday Night
Mostly cloudy, with a low around 26. North wind 5 to 10 mph.
Monday
Sunny, with a high near 44.
Monday Night
Mostly cloudy, with a low around 30.
Tuesday
Mostly cloudy, with a high near 51.
Tuesday Night
Mostly cloudy, with a low around 32.
Wednesday
Mostly cloudy, with a high near 55.
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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:
12:32 pm CDT Mar 19, 2026
Forecast Valid:
12pm CDT Mar 19, 2026-6pm CDT Mar 25, 2026
 
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Additional Resources

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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