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.

Fog/Mist

44°F

7°C

Humidity 85%
Wind Speed S 8 mph
Barometer 29.90 in (1012.8 mb)
Dewpoint 40°F (4°C)
Visibility 5.00 mi
Wind Chill39°F (4°C)
Last update 21 Mar 7:53 am CDT
Extended Forecast for

Monona WI

  • Today

    Today: Mostly sunny, with a high near 71. South wind 5 to 15 mph, with gusts as high as 25 mph.

    High: 71 °F

    Mostly Sunny

  • Tonight

    Tonight: A 20 percent chance of rain after 4am. Mostly cloudy, with a low around 42. Southwest wind 5 to 10 mph becoming northeast after midnight.

    Low: 42 °F

    Partly Cloudy
    then Slight
    Chance Rain

  • Sunday

    Sunday: A 30 percent chance of rain, mainly between 7am and 1pm. Mostly cloudy, with a high near 45. North wind 10 to 15 mph.

    High: 45 °F

    Chance Rain

  • Sunday Night

    Sunday Night: Partly cloudy, with a low around 26. North wind 5 to 10 mph becoming light after midnight.

    Low: 26 °F

    Partly Cloudy

  • Monday

    Monday: Sunny, with a high near 47. Calm wind becoming north around 5 mph.

    High: 47 °F

    Sunny

  • Monday Night

    Monday Night: Mostly cloudy, with a low around 33. Calm wind becoming south around 5 mph after midnight.

    Low: 33 °F

    Mostly Cloudy

  • Tuesday

    Tuesday: Mostly cloudy, with a high near 57. Southwest wind 5 to 10 mph.

    High: 57 °F

    Mostly Cloudy

  • Tuesday Night

    Tuesday Night: Mostly cloudy, with a low around 36. Southwest wind around 5 mph becoming east after midnight.

    Low: 36 °F

    Mostly Cloudy

  • Wednesday

    Wednesday: Mostly cloudy, with a high near 53.

    High: 53 °F

    Mostly Cloudy

Detailed Forecast

Today
Mostly sunny, with a high near 71. South wind 5 to 15 mph, with gusts as high as 25 mph.
Tonight
A 20 percent chance of rain after 4am. Mostly cloudy, with a low around 42. Southwest wind 5 to 10 mph becoming northeast after midnight.
Sunday
A 30 percent chance of rain, mainly between 7am and 1pm. Mostly cloudy, with a high near 45. North wind 10 to 15 mph.
Sunday Night
Partly cloudy, with a low around 26. North wind 5 to 10 mph becoming light after midnight.
Monday
Sunny, with a high near 47. Calm wind becoming north around 5 mph.
Monday Night
Mostly cloudy, with a low around 33. Calm wind becoming south around 5 mph after midnight.
Tuesday
Mostly cloudy, with a high near 57. Southwest wind 5 to 10 mph.
Tuesday Night
Mostly cloudy, with a low around 36. Southwest wind around 5 mph becoming east after midnight.
Wednesday
Mostly cloudy, with a high near 53.
Wednesday Night
A 20 percent chance of rain after 1am. Mostly cloudy, with a low around 42.
Thursday
A 30 percent chance of rain. Partly sunny, with a high near 58.
Thursday Night
Mostly cloudy, with a low around 28.
Friday
Partly sunny, with a high near 44.
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Forecast Area
Tiles ©ESRI

ABOUT THIS FORECAST

 
Point Forecast:
Monona WI
 43.07°N 89.34°W (Elev. 850 ft)
Last Update:
7:16 am CDT Mar 21, 2026
Forecast Valid:
8am CDT Mar 21, 2026-6pm CDT Mar 27, 2026
 
Forecast Discussion
 
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Additional Resources

Radar & Satellite Image

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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