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

16°F

-9°C

Humidity 77%
Wind Speed Calm
Barometer 29.85 in (1012.2 mb)
Dewpoint 10°F (-12°C)
Visibility 10.00 mi
Last update 25 Feb 11:53 pm CST
Extended Forecast for

Monona WI

  • Overnight

    Overnight: Mostly clear, with a low around 16. Calm wind.

    Low: 16 °F

    Mostly Clear

  • Thursday

    Thursday: Partly sunny, with a high near 42. Light south wind becoming southwest 5 to 10 mph in the morning.

    High: 42 °F

    Partly Sunny

  • Thursday Night

    Thursday Night: Partly cloudy, with a low around 29. Southwest wind around 5 mph.

    Low: 29 °F

    Partly Cloudy

  • Friday

    Friday: Mostly sunny, with a high near 56. Southwest wind 5 to 15 mph, with gusts as high as 30 mph.

    High: 56 °F

    Mostly Sunny

  • Friday Night

    Friday Night: Increasing clouds, with a low around 23. West wind 5 to 15 mph becoming north after midnight.

    Low: 23 °F

    Increasing
    Clouds

  • Saturday

    Saturday: Snow likely, mainly after noon. Cloudy, with a high near 28. North wind around 5 mph. Chance of precipitation is 60%. New snow accumulation of around an inch possible.

    High: 28 °F

    Snow Likely

  • Saturday Night

    Saturday Night: Mostly cloudy, then gradually becoming mostly clear, with a low around 13. North wind around 5 mph.

    Low: 13 °F

    Decreasing
    Clouds

  • Sunday

    Sunday: A 20 percent chance of snow after noon. Sunny through mid morning, then becoming mostly cloudy, with a high near 27. Northeast wind around 5 mph.

    High: 27 °F

    Partly Sunny
    then Slight
    Chance Snow

  • Sunday Night

    Sunday Night: A 20 percent chance of snow before midnight. Mostly cloudy, then gradually becoming mostly clear, with a low around 14.

    Low: 14 °F

    Slight Chance
    Snow then
    Partly Cloudy

Detailed Forecast

Overnight
Mostly clear, with a low around 16. Calm wind.
Thursday
Partly sunny, with a high near 42. Light south wind becoming southwest 5 to 10 mph in the morning.
Thursday Night
Partly cloudy, with a low around 29. Southwest wind around 5 mph.
Friday
Mostly sunny, with a high near 56. Southwest wind 5 to 15 mph, with gusts as high as 30 mph.
Friday Night
Increasing clouds, with a low around 23. West wind 5 to 15 mph becoming north after midnight.
Saturday
Snow likely, mainly after noon. Cloudy, with a high near 28. North wind around 5 mph. Chance of precipitation is 60%. New snow accumulation of around an inch possible.
Saturday Night
Mostly cloudy, then gradually becoming mostly clear, with a low around 13. North wind around 5 mph.
Sunday
A 20 percent chance of snow after noon. Sunny through mid morning, then becoming mostly cloudy, with a high near 27. Northeast wind around 5 mph.
Sunday Night
A 20 percent chance of snow before midnight. Mostly cloudy, then gradually becoming mostly clear, with a low around 14.
Monday
Mostly sunny, with a high near 35.
Monday Night
A 20 percent chance of snow. Mostly cloudy, with a low around 21.
Tuesday
A 30 percent chance of snow. Mostly sunny, with a high near 40.
Tuesday Night
Mostly clear, with a low around 25.
Wednesday
Sunny, with a high near 47.
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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:
11:52 pm CST Feb 25, 2026
Forecast Valid:
12am CST Feb 26, 2026-6pm CST Mar 4, 2026
 
Forecast Discussion
 
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Additional Resources

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Hourly Weather Forecast

National Digital Forecast Database

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High Temperature

National Digital Forecast Database Weather Element Forecast

Chance of Precipitation