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.

Fair

9°F

-13°C

Humidity 70%
Wind Speed NW 5 mph
Barometer 30.04 in (1019.1 mb)
Dewpoint 1°F (-17°C)
Visibility 10.00 mi
Wind Chill0°F (-18°C)
Last update 17 Mar 4:53 am CDT
Extended Forecast for

Monona WI

  • Today

    Today: Increasing clouds, with a high near 22. Wind chill values between -10 and zero. Northwest wind 5 to 10 mph becoming southwest in the afternoon.

    High: 22 °F

    Increasing
    Clouds

  • Tonight

    Tonight: Snow, mainly between 10pm and 5am. Low around 17. South wind 5 to 10 mph. Chance of precipitation is 100%. New snow accumulation of around an inch possible.

    Low: 17 °F

    Snow

  • Wednesday

    Wednesday: Mostly cloudy, with a high near 41. Southwest wind 5 to 10 mph.

    High: 41 °F

    Mostly Cloudy

  • Wednesday Night

    Wednesday Night: A 30 percent chance of rain after 1am. Mostly cloudy, with a low around 33. Southwest wind around 5 mph becoming calm in the evening.

    Low: 33 °F

    Mostly Cloudy
    then Chance
    Rain

  • Thursday

    Thursday: Mostly sunny, with a high near 45. Calm wind becoming north around 5 mph in the afternoon.

    High: 45 °F

    Mostly Sunny

  • Thursday Night

    Thursday Night: Mostly cloudy, with a low around 33. Calm wind becoming southwest around 5 mph.

    Low: 33 °F

    Mostly Cloudy

  • Friday

    Friday: Mostly cloudy, with a high near 50. Southwest wind around 5 mph.

    High: 50 °F

    Mostly Cloudy

  • Friday Night

    Friday Night: Mostly cloudy, with a low around 35. East wind around 5 mph becoming south after midnight.

    Low: 35 °F

    Mostly Cloudy

  • Saturday

    Saturday: Mostly sunny, with a high near 59.

    High: 59 °F

    Mostly Sunny

Detailed Forecast

Today
Increasing clouds, with a high near 22. Wind chill values between -10 and zero. Northwest wind 5 to 10 mph becoming southwest in the afternoon.
Tonight
Snow, mainly between 10pm and 5am. Low around 17. South wind 5 to 10 mph. Chance of precipitation is 100%. New snow accumulation of around an inch possible.
Wednesday
Mostly cloudy, with a high near 41. Southwest wind 5 to 10 mph.
Wednesday Night
A 30 percent chance of rain after 1am. Mostly cloudy, with a low around 33. Southwest wind around 5 mph becoming calm in the evening.
Thursday
Mostly sunny, with a high near 45. Calm wind becoming north around 5 mph in the afternoon.
Thursday Night
Mostly cloudy, with a low around 33. Calm wind becoming southwest around 5 mph.
Friday
Mostly cloudy, with a high near 50. Southwest wind around 5 mph.
Friday Night
Mostly cloudy, with a low around 35. East wind around 5 mph becoming south after midnight.
Saturday
Mostly sunny, with a high near 59.
Saturday Night
Mostly cloudy, with a low around 37.
Sunday
Mostly cloudy, with a high near 52.
Sunday Night
Mostly cloudy, with a low around 27.
Monday
Mostly sunny, with a high near 43.
Basemap Options
Click map to change the forecast location
Loading map...
Forecast Area
Tiles ©ESRI

ABOUT THIS FORECAST

 
Point Forecast:
Monona WI
 43.07°N 89.34°W (Elev. 850 ft)
Last Update:
3:32 am CDT Mar 17, 2026
Forecast Valid:
5am CDT Mar 17, 2026-6pm CDT Mar 23, 2026
 
Forecast Discussion
 
Get as KML Get as XML

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