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.

Mostly Cloudy

68°F

20°C

Humidity 68%
Wind Speed SW 7 mph
Barometer 29.74 in (1006.8 mb)
Dewpoint 57°F (14°C)
Visibility 10.00 mi
Last update 15 Apr 3:53 pm CDT
Extended Forecast for

Waunakee WI

Flood Watch until April 16, 07:00am
Click here for hazard details and duration
Flood Watch
  •  
    Flood Watch until April 16, 07:00am

    NOW until 7:00am Thu

    Flood Watch

  • This Afternoon

    High: 72 °F

    Showers
    Likely

  • Tonight

    Tonight: Showers and possibly a thunderstorm, mainly before 11pm, then a chance of showers and thunderstorms after 11pm. Patchy fog after 11pm. Low around 54. Southwest wind around 5 mph becoming northeast after midnight. Chance of precipitation is 80%. New rainfall amounts between a half and three quarters of an inch possible.

    Low: 54 °F

    Showers and
    Patchy Fog
    then Chance
    T-storms and
    Patchy Fog

  • Thursday

    Thursday: A chance of showers and thunderstorms before 10am, then a slight chance of showers between 10am and 11am. Patchy fog before 9am. Otherwise, mostly cloudy, then gradually becoming sunny, with a high near 69. North wind 5 to 10 mph becoming northwest in the afternoon. Chance of precipitation is 40%.

    High: 69 °F

    Chance
    Showers and
    Patchy Fog
    then Mostly
    Sunny

  • Thursday Night

    Thursday Night: Mostly clear, with a low around 51. Southeast wind 5 to 10 mph.

    Low: 51 °F

    Mostly Clear

  • Friday

    Friday: A chance of showers between 1pm and 4pm, then a chance of showers and thunderstorms after 4pm. Partly sunny, with a high near 77. South wind 10 to 15 mph, with gusts as high as 30 mph. Chance of precipitation is 50%.

    High: 77 °F

    Partly Sunny
    then Chance
    T-storms

  • Friday Night

    Friday Night: Showers and possibly a thunderstorm before 1am, then showers likely. Low around 38. South wind around 15 mph becoming west after midnight. Winds could gust as high as 25 mph. Chance of precipitation is 100%. New rainfall amounts between three quarters and one inch possible.

    Low: 38 °F

    Showers

  • Saturday

    Saturday: A 30 percent chance of showers, mainly before 1pm. Mostly sunny, with a high near 48. Breezy, with a west wind 15 to 20 mph, with gusts as high as 25 mph.

    High: 48 °F

    Chance
    Showers and
    Breezy

  • Saturday Night

    Saturday Night: Partly cloudy, with a low around 30. West wind 10 to 15 mph.

    Low: 30 °F

    Partly Cloudy

Detailed Forecast

This Afternoon
Showers likely and possibly a thunderstorm. Partly sunny, with a high near 72. Southwest wind around 10 mph. Chance of precipitation is 60%. New rainfall amounts between a tenth and quarter of an inch, except higher amounts possible in thunderstorms.
Tonight
Showers and possibly a thunderstorm, mainly before 11pm, then a chance of showers and thunderstorms after 11pm. Patchy fog after 11pm. Low around 54. Southwest wind around 5 mph becoming northeast after midnight. Chance of precipitation is 80%. New rainfall amounts between a half and three quarters of an inch possible.
Thursday
A chance of showers and thunderstorms before 10am, then a slight chance of showers between 10am and 11am. Patchy fog before 9am. Otherwise, mostly cloudy, then gradually becoming sunny, with a high near 69. North wind 5 to 10 mph becoming northwest in the afternoon. Chance of precipitation is 40%.
Thursday Night
Mostly clear, with a low around 51. Southeast wind 5 to 10 mph.
Friday
A chance of showers between 1pm and 4pm, then a chance of showers and thunderstorms after 4pm. Partly sunny, with a high near 77. South wind 10 to 15 mph, with gusts as high as 30 mph. Chance of precipitation is 50%.
Friday Night
Showers and possibly a thunderstorm before 1am, then showers likely. Low around 38. South wind around 15 mph becoming west after midnight. Winds could gust as high as 25 mph. Chance of precipitation is 100%. New rainfall amounts between three quarters and one inch possible.
Saturday
A 30 percent chance of showers, mainly before 1pm. Mostly sunny, with a high near 48. Breezy, with a west wind 15 to 20 mph, with gusts as high as 25 mph.
Saturday Night
Partly cloudy, with a low around 30. West wind 10 to 15 mph.
Sunday
Mostly sunny, with a high near 49.
Sunday Night
Mostly clear, with a low around 29.
Monday
Sunny, with a high near 59.
Monday Night
Partly cloudy, with a low around 46.
Tuesday
Mostly sunny, with a high near 69.
Tuesday Night
Mostly clear, with a low around 44.
Wednesday
Mostly sunny, with a high near 66.
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Forecast Area
Tiles ©ESRI

ABOUT THIS FORECAST

 
Point Forecast:
Waunakee WI
 43.2°N 89.45°W (Elev. 997 ft)
Last Update:
2:36 pm CDT Apr 15, 2026
Forecast Valid:
4pm CDT Apr 15, 2026-6pm CDT Apr 22, 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