National Oceanic and Atmospheric Administration National Weather Service United States Department of Commerce

Severe Thunderstorms, Heavy Rainfall and Dangerous Heat

Severe thunderstorms are expected today and Friday from the upper Midwest, central Great Lakes into the Ohio and mid-Mississippi Valley's. In addition, heavy rainfall threat increases on Friday across the Ohio Valley. Meanwhile, early summer-like heat wave across portions of southern Texas with new daily records are forecast today and through the weekend; The heat spreads across the Gulf States. Read More >

Hazardous Weather Conditions

Current conditions at

Madison, Dane County Regional-Truax Field (KMSN)

Lat: 43.14°NLon: 89.35°WElev: 860ft.

Thunderstorm Heavy Rain

77°F

25°C

Humidity 79%
Wind Speed S 17 G 28 mph
Barometer 29.31 in (992.0 mb)
Dewpoint 70°F (21°C)
Visibility 1.00 mi
Heat Index79°F (26°C)
Last update 15 May 4:53 pm CDT
Extended Forecast for

Madison WI

Tornado Watch until May 15, 10:00pm
Click here for hazard details and duration
Tornado Watch
  •  
    Tornado Watch until May 15, 10:00pm

    NOW until 10:00pm Thu

    Tornado Watch

  • This Afternoon

    High: 82 °F

    Severe
    Thunderstorms

  • Tonight

    Tonight: A 30 percent chance of showers and thunderstorms before 7pm. Some of the storms could be severe. Mostly cloudy during the early evening, then gradual clearing, with a low around 57. South wind 10 to 15 mph decreasing to 5 to 10 mph after midnight. Winds could gust as high as 30 mph.

    Low: 57 °F

    Severe
    Thunderstorms
    then Clear

  • Friday

    Friday: A 30 percent chance of showers and thunderstorms, mainly after 4pm. Mostly sunny, with a high near 81. Windy, with a south wind 10 to 15 mph increasing to 20 to 25 mph in the afternoon. Winds could gust as high as 40 mph.

    High: 81 °F

    Mostly Sunny
    and Breezy
    then Chance
    T-storms and
    Windy

  • Friday Night

    Friday Night: A chance of showers and thunderstorms. Mostly cloudy, with a low around 50. West wind around 15 mph, with gusts as high as 30 mph. Chance of precipitation is 30%.

    Low: 50 °F

    Chance
    T-storms then
    Chance
    Showers

  • Saturday

    Saturday: A 10 percent chance of showers before 7am. Partly sunny, with a high near 64. Breezy, with a west wind 15 to 20 mph, with gusts as high as 25 mph.

    High: 64 °F

    Breezy.
    Slight Chance
    Showers then
    Mostly Sunny

  • Saturday Night

    Saturday Night: Partly cloudy, with a low around 48. Northwest wind 5 to 15 mph.

    Low: 48 °F

    Partly Cloudy

  • Sunday

    Sunday: Partly sunny, with a high near 65. North wind around 5 mph.

    High: 65 °F

    Partly Sunny

  • Sunday Night

    Sunday Night: Partly cloudy, with a low around 41. East wind around 10 mph.

    Low: 41 °F

    Partly Cloudy

Detailed Forecast

This Afternoon
Showers and thunderstorms likely. Some of the storms could be severe. Mostly cloudy, with a steady temperature around 82. South wind around 15 mph, with gusts as high as 30 mph. Chance of precipitation is 70%. New rainfall amounts of less than a tenth of an inch, except higher amounts possible in thunderstorms.
Tonight
A 30 percent chance of showers and thunderstorms before 7pm. Some of the storms could be severe. Mostly cloudy during the early evening, then gradual clearing, with a low around 57. South wind 10 to 15 mph decreasing to 5 to 10 mph after midnight. Winds could gust as high as 30 mph.
Friday
A 30 percent chance of showers and thunderstorms, mainly after 4pm. Mostly sunny, with a high near 81. Windy, with a south wind 10 to 15 mph increasing to 20 to 25 mph in the afternoon. Winds could gust as high as 40 mph.
Friday Night
A chance of showers and thunderstorms. Mostly cloudy, with a low around 50. West wind around 15 mph, with gusts as high as 30 mph. Chance of precipitation is 30%.
Saturday
A 10 percent chance of showers before 7am. Partly sunny, with a high near 64. Breezy, with a west wind 15 to 20 mph, with gusts as high as 25 mph.
Saturday Night
Partly cloudy, with a low around 48. Northwest wind 5 to 15 mph.
Sunday
Partly sunny, with a high near 65. North wind around 5 mph.
Sunday Night
Partly cloudy, with a low around 41. East wind around 10 mph.
Monday
A 20 percent chance of showers. Partly sunny, with a high near 60.
Monday Night
A 50 percent chance of showers. Mostly cloudy, with a low around 47.
Tuesday
Showers likely. Mostly cloudy, with a high near 58. Chance of precipitation is 70%.
Tuesday Night
Showers. Low around 47. Chance of precipitation is 80%.
Wednesday
Showers likely. Mostly cloudy, with a high near 60. Chance of precipitation is 60%.
Wednesday Night
A 30 percent chance of showers. Mostly cloudy, with a low around 45.
Thursday
A 30 percent chance of showers. Mostly sunny, with a high near 64.
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Forecast Area
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ABOUT THIS FORECAST

 
Point Forecast:
Madison WI
 43.07°N 89.4°W (Elev. 879 ft)
Last Update:
3:10 pm CDT May 15, 2025
Forecast Valid:
5pm CDT May 15, 2025-6pm CDT May 22, 2025
 
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