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

77°F

25°C

Humidity 24%
Wind Speed W 8 G 22 mph
Barometer 29.40 in (995.5 mb)
Dewpoint 38°F (3°C)
Visibility 10.00 mi
Heat Index77°F (25°C)
Last update 4 May 4:53 pm CDT
Extended Forecast for

Waunakee WI

  • This Afternoon

    This Afternoon: A 20 percent chance of showers and thunderstorms. Mostly sunny, with a high near 77. West wind around 15 mph, with gusts as high as 30 mph.

    High: 77 °F

    Slight Chance
    T-storms

  • Tonight

    Tonight: A slight chance of showers before 2am, then a chance of sprinkles between 2am and 3am. Mostly cloudy, with a low around 40. Northwest wind 10 to 15 mph decreasing to 5 to 10 mph after midnight. Winds could gust as high as 30 mph. Chance of precipitation is 20%.

    Low: 40 °F

    Partly Cloudy
    then Slight
    Chance
    Showers

  • Tuesday

    Tuesday: Partly sunny, with a high near 57. Northwest wind 5 to 15 mph.

    High: 57 °F

    Partly Sunny

  • Tuesday Night

    Tuesday Night: Areas of frost after 5am. Otherwise, mostly cloudy, with a low around 36. Northwest wind around 5 mph becoming calm in the evening.

    Low: 36 °F

    Mostly Cloudy
    then Areas
    Frost

  • Wednesday

    Wednesday: Areas of frost before 7am. Otherwise, partly sunny, with a high near 55. Northwest wind 5 to 10 mph.

    High: 55 °F

    Areas Frost
    then Partly
    Sunny

  • Wednesday Night

    Wednesday Night: Areas of frost after 2am. Otherwise, partly cloudy, with a low around 34. Northwest wind around 5 mph becoming calm in the evening.

    Low: 34 °F

    Mostly Cloudy
    then Areas
    Frost

  • Thursday

    Thursday: A slight chance of showers between 1pm and 4pm, then a slight chance of showers and thunderstorms after 4pm. Areas of frost before 8am. Otherwise, mostly sunny, with a high near 59. Light west wind increasing to 5 to 10 mph in the morning. Chance of precipitation is 20%.

    High: 59 °F

    Areas Frost
    then Slight
    Chance
    T-storms

  • Thursday Night

    Thursday Night: A slight chance of thunderstorms before 7pm. Partly cloudy, with a low around 40. West wind around 5 mph becoming calm in the evening. Chance of precipitation is 10%.

    Low: 40 °F

    Slight Chance
    T-storms then
    Partly Cloudy

  • Friday

    Friday: A 20 percent chance of showers after 1pm. Partly sunny, with a high near 63.

    High: 63 °F

    Mostly Sunny
    then Slight
    Chance
    Showers

Detailed Forecast

This Afternoon
A 20 percent chance of showers and thunderstorms. Mostly sunny, with a high near 77. West wind around 15 mph, with gusts as high as 30 mph.
Tonight
A slight chance of showers before 2am, then a chance of sprinkles between 2am and 3am. Mostly cloudy, with a low around 40. Northwest wind 10 to 15 mph decreasing to 5 to 10 mph after midnight. Winds could gust as high as 30 mph. Chance of precipitation is 20%.
Tuesday
Partly sunny, with a high near 57. Northwest wind 5 to 15 mph.
Tuesday Night
Areas of frost after 5am. Otherwise, mostly cloudy, with a low around 36. Northwest wind around 5 mph becoming calm in the evening.
Wednesday
Areas of frost before 7am. Otherwise, partly sunny, with a high near 55. Northwest wind 5 to 10 mph.
Wednesday Night
Areas of frost after 2am. Otherwise, partly cloudy, with a low around 34. Northwest wind around 5 mph becoming calm in the evening.
Thursday
A slight chance of showers between 1pm and 4pm, then a slight chance of showers and thunderstorms after 4pm. Areas of frost before 8am. Otherwise, mostly sunny, with a high near 59. Light west wind increasing to 5 to 10 mph in the morning. Chance of precipitation is 20%.
Thursday Night
A slight chance of thunderstorms before 7pm. Partly cloudy, with a low around 40. West wind around 5 mph becoming calm in the evening. Chance of precipitation is 10%.
Friday
A 20 percent chance of showers after 1pm. Partly sunny, with a high near 63.
Friday Night
Partly cloudy, with a low around 40.
Saturday
Sunny, with a high near 67.
Saturday Night
Partly cloudy, with a low around 45.
Sunday
A 20 percent chance of showers. Partly sunny, with a high near 65.
Sunday Night
A 20 percent chance of showers. Partly cloudy, with a low around 42.
Monday
Mostly sunny, with a high near 66.
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Forecast Area
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ABOUT THIS FORECAST

 
Point Forecast:
Waunakee WI
 43.18°N 89.45°W (Elev. 948 ft)
Last Update:
4:34 pm CDT May 4, 2026
Forecast Valid:
5pm CDT May 4, 2026-6pm CDT May 11, 2026
 
Forecast Discussion
 
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Additional Resources

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Hourly Weather Forecast

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High Temperature

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Chance of Precipitation