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

56°F

13°C

Humidity 93%
Wind Speed Calm
Barometer 29.94 in (1013.7 mb)
Dewpoint 54°F (12°C)
Visibility 10.00 mi
Last update 21 Jun 12:53 am CDT
Extended Forecast for

Monona WI

  • Overnight

    Overnight: Mostly cloudy, with a low around 54. Calm wind.

    Low: 54 °F

    Mostly Cloudy

  • Sunday

    Sunday: Showers likely, mainly after 1pm. Mostly cloudy, with a high near 72. Light and variable wind becoming southeast 5 to 10 mph in the afternoon. Chance of precipitation is 70%. New precipitation amounts between a quarter and half of an inch possible.

    High: 72 °F

    Slight Chance
    Showers then
    Showers
    Likely

  • Sunday Night

    Sunday Night: A 40 percent chance of showers, mainly before 10pm. Mostly cloudy, with a low around 54. East wind around 5 mph becoming north after midnight.

    Low: 54 °F

    Chance
    Showers then
    Mostly Cloudy

  • Monday

    Monday: Mostly sunny, with a high near 76. North wind around 10 mph.

    High: 76 °F

    Mostly Sunny

  • Monday Night

    Monday Night: Mostly clear, with a low around 52. Northeast wind around 5 mph becoming calm in the evening.

    Low: 52 °F

    Mostly Clear

  • Tuesday

    Tuesday: Mostly sunny, with a high near 77. Calm wind becoming southeast around 5 mph.

    High: 77 °F

    Mostly Sunny

  • Tuesday Night

    Tuesday Night: A chance of showers and thunderstorms, then showers and possibly a thunderstorm after 1am. Low around 57. Southwest wind around 5 mph becoming calm. Chance of precipitation is 80%. New rainfall amounts between a tenth and quarter of an inch, except higher amounts possible in thunderstorms.

    Low: 57 °F

    Chance
    T-storms then
    Showers

  • Wednesday

    Wednesday: A chance of showers and thunderstorms, then showers likely and possibly a thunderstorm after 1pm. Partly sunny, with a high near 75. West wind 5 to 10 mph. Chance of precipitation is 60%. New rainfall amounts of less than a tenth of an inch, except higher amounts possible in thunderstorms.

    High: 75 °F

    Showers
    Likely

  • Wednesday Night

    Wednesday Night: A slight chance of showers and thunderstorms. Partly cloudy, with a low around 55. Chance of precipitation is 20%.

    Low: 55 °F

    Slight Chance
    T-storms

Detailed Forecast

Overnight
Mostly cloudy, with a low around 54. Calm wind.
Sunday
Showers likely, mainly after 1pm. Mostly cloudy, with a high near 72. Light and variable wind becoming southeast 5 to 10 mph in the afternoon. Chance of precipitation is 70%. New precipitation amounts between a quarter and half of an inch possible.
Sunday Night
A 40 percent chance of showers, mainly before 10pm. Mostly cloudy, with a low around 54. East wind around 5 mph becoming north after midnight.
Monday
Mostly sunny, with a high near 76. North wind around 10 mph.
Monday Night
Mostly clear, with a low around 52. Northeast wind around 5 mph becoming calm in the evening.
Tuesday
Mostly sunny, with a high near 77. Calm wind becoming southeast around 5 mph.
Tuesday Night
A chance of showers and thunderstorms, then showers and possibly a thunderstorm after 1am. Low around 57. Southwest wind around 5 mph becoming calm. Chance of precipitation is 80%. New rainfall amounts between a tenth and quarter of an inch, except higher amounts possible in thunderstorms.
Wednesday
A chance of showers and thunderstorms, then showers likely and possibly a thunderstorm after 1pm. Partly sunny, with a high near 75. West wind 5 to 10 mph. Chance of precipitation is 60%. New rainfall amounts of less than a tenth of an inch, except higher amounts possible in thunderstorms.
Wednesday Night
A slight chance of showers and thunderstorms. Partly cloudy, with a low around 55. Chance of precipitation is 20%.
Thursday
A 20 percent chance of showers and thunderstorms after 1pm. Mostly sunny, with a high near 76.
Thursday Night
Partly cloudy, with a low around 55.
Friday
A 20 percent chance of showers and thunderstorms. Mostly sunny, with a high near 79.
Friday Night
A 20 percent chance of showers and thunderstorms. Partly cloudy, with a low around 58.
Saturday
A 30 percent chance of showers and thunderstorms. Mostly sunny, with a high near 80.
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Forecast Area
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ABOUT THIS FORECAST

 
Point Forecast:
Monona WI
 43.05°N 89.31°W (Elev. 850 ft)
Last Update:
1:12 am CDT Jun 21, 2026
Forecast Valid:
1am CDT Jun 21, 2026-6pm CDT Jun 27, 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