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.

Partly Cloudy

46°F

8°C

Humidity 68%
Wind Speed S 6 mph
Barometer 29.88 in (1011.9 mb)
Dewpoint 36°F (2°C)
Visibility 10.00 mi
Wind Chill43°F (6°C)
Last update 30 Mar 7:53 am CDT
Extended Forecast for

Monona WI

  • Today

    Today: Sunny, with a high near 77. South wind 5 to 10 mph.

    High: 77 °F

    Sunny

  • Tonight

    Tonight: A slight chance of rain and thunderstorms between 9pm and 1am. Mostly cloudy, with a low around 53. South wind 5 to 10 mph becoming north after midnight. Chance of precipitation is 20%.

    Low: 53 °F

    Slight Chance
    T-storms

  • Tuesday

    Tuesday: Rain and thunderstorms before 1pm, then rain likely and possibly a thunderstorm between 1pm and 4pm, then a chance of rain after 4pm. High near 67. South wind 5 to 15 mph becoming northwest in the afternoon. Winds could gust as high as 25 mph. Chance of precipitation is 80%. New rainfall amounts between a tenth and quarter of an inch, except higher amounts possible in thunderstorms.

    High: 67 °F

    Rain

  • Tuesday Night

    Tuesday Night: A 30 percent chance of rain, mainly before 7pm. Mostly cloudy, with a low around 33. North wind 10 to 15 mph, with gusts as high as 25 mph.

    Low: 33 °F

    Chance Rain

  • Wednesday

    Wednesday: A chance of rain after 1pm, mixing with snow after 4pm. Mostly cloudy, with a high near 44. East wind 10 to 15 mph. Chance of precipitation is 30%.

    High: 44 °F

    Partly Sunny
    then Chance
    Rain/Snow

  • Wednesday Night

    Wednesday Night: Rain, possibly mixed with snow, becoming all rain after 4am. Low around 32. Northeast wind around 15 mph, with gusts as high as 25 mph. Chance of precipitation is 90%. New snow accumulation of less than one inch possible.

    Low: 32 °F

    Rain/Snow

  • Thursday

    Thursday: Rain. High near 49. Northeast wind 10 to 15 mph, with gusts as high as 25 mph. Chance of precipitation is 90%. New precipitation amounts between a half and three quarters of an inch possible.

    High: 49 °F

    Rain

  • Thursday Night

    Thursday Night: Rain likely, mainly before 1am. Cloudy, with a low around 35. Northeast wind 10 to 15 mph becoming northwest after midnight. Chance of precipitation is 60%. New precipitation amounts between a tenth and quarter of an inch possible.

    Low: 35 °F

    Rain Likely

  • Friday

    Friday: A 30 percent chance of rain after 1pm. Mostly cloudy, with a high near 51.

    High: 51 °F

    Mostly Cloudy
    then Chance
    Rain

Detailed Forecast

Today
Sunny, with a high near 77. South wind 5 to 10 mph.
Tonight
A slight chance of rain and thunderstorms between 9pm and 1am. Mostly cloudy, with a low around 53. South wind 5 to 10 mph becoming north after midnight. Chance of precipitation is 20%.
Tuesday
Rain and thunderstorms before 1pm, then rain likely and possibly a thunderstorm between 1pm and 4pm, then a chance of rain after 4pm. High near 67. South wind 5 to 15 mph becoming northwest in the afternoon. Winds could gust as high as 25 mph. Chance of precipitation is 80%. New rainfall amounts between a tenth and quarter of an inch, except higher amounts possible in thunderstorms.
Tuesday Night
A 30 percent chance of rain, mainly before 7pm. Mostly cloudy, with a low around 33. North wind 10 to 15 mph, with gusts as high as 25 mph.
Wednesday
A chance of rain after 1pm, mixing with snow after 4pm. Mostly cloudy, with a high near 44. East wind 10 to 15 mph. Chance of precipitation is 30%.
Wednesday Night
Rain, possibly mixed with snow, becoming all rain after 4am. Low around 32. Northeast wind around 15 mph, with gusts as high as 25 mph. Chance of precipitation is 90%. New snow accumulation of less than one inch possible.
Thursday
Rain. High near 49. Northeast wind 10 to 15 mph, with gusts as high as 25 mph. Chance of precipitation is 90%. New precipitation amounts between a half and three quarters of an inch possible.
Thursday Night
Rain likely, mainly before 1am. Cloudy, with a low around 35. Northeast wind 10 to 15 mph becoming northwest after midnight. Chance of precipitation is 60%. New precipitation amounts between a tenth and quarter of an inch possible.
Friday
A 30 percent chance of rain after 1pm. Mostly cloudy, with a high near 51.
Friday Night
Rain likely, mainly after 1am. Mostly cloudy, with a low around 37. Chance of precipitation is 60%.
Saturday
Rain likely. Mostly cloudy, with a high near 53. Chance of precipitation is 60%.
Saturday Night
A chance of rain and snow. Mostly cloudy, with a low around 34. Chance of precipitation is 40%.
Sunday
A 10 percent chance of snow. Mostly cloudy, with a high near 46.
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Forecast Area
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ABOUT THIS FORECAST

 
Point Forecast:
Monona WI
 43.07°N 89.34°W (Elev. 850 ft)
Last Update:
9:46 am CDT Mar 30, 2026
Forecast Valid:
9am CDT Mar 30, 2026-6pm CDT Apr 5, 2026
 
Forecast Discussion
 
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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