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

Severe Thunderstorms in the Upper Midwest; Heat Continues in the Southwest

Scattered severe thunderstorms may produce damaging winds, large hail, a tornado or two, and heavy rain across parts of the Upper Midwest, mainly this evening through Saturday. Very hot temperatures will continue through today across the Desert Southwest, which could break daily high temperature records. Read More >

Hazardous Weather Conditions

Current conditions at

Burlington Municipal Airport (KBUU)

Lat: 42.69°NLon: 88.31°WElev: 778ft.

Fair

82°F

28°C

Humidity 76%
Wind Speed S 6 mph
Barometer 30.05 in
Dewpoint 74°F (23°C)
Visibility 10.00 mi
Heat Index88°F (31°C)
Last update 8 Aug 9:30 am CDT
Extended Forecast for

Delavan WI

  • Today

    Today: Sunny, with a high near 89. Heat index values as high as 96. South wind 10 to 15 mph.

    High: 89 °F

    Sunny

  • Tonight

    Tonight: Mostly clear, with a low around 73. South wind around 10 mph, with gusts as high as 25 mph.

    Low: 73 °F

    Mostly Clear

  • Saturday

    Saturday: A slight chance of showers and thunderstorms before 10am, then a slight chance of showers between 10am and 1pm, then a slight chance of showers and thunderstorms after 1pm. Mostly sunny, with a high near 89. Heat index values as high as 98. South wind 10 to 15 mph. Chance of precipitation is 20%.

    High: 89 °F

    Slight Chance
    T-storms

  • Saturday Night

    Saturday Night: A chance of showers and thunderstorms, then showers likely and possibly a thunderstorm after 1am. Mostly cloudy, with a low around 69. South wind 5 to 10 mph. Chance of precipitation is 60%. New rainfall amounts between three quarters and one inch possible.

    Low: 69 °F

    Chance
    T-storms then
    Showers
    Likely

  • Sunday

    Sunday: A 50 percent chance of showers and thunderstorms. Mostly cloudy, with a high near 81. Southwest wind 5 to 10 mph.

    High: 81 °F

    Chance
    Showers then
    Chance
    T-storms

  • Sunday Night

    Sunday Night: A chance of showers and thunderstorms, then showers likely and possibly a thunderstorm after 1am. Mostly cloudy, with a low around 68. South wind around 5 mph. Chance of precipitation is 60%. New rainfall amounts between three quarters and one inch possible.

    Low: 68 °F

    Chance
    T-storms then
    Showers
    Likely

  • Monday

    Monday: A chance of showers, with thunderstorms also possible after 10am. Partly sunny, with a high near 82. Southwest wind around 5 mph. Chance of precipitation is 50%.

    High: 82 °F

    Chance
    Showers then
    Chance
    T-storms

  • Monday Night

    Monday Night: A 40 percent chance of showers and thunderstorms. Mostly cloudy, with a low around 66. West wind around 5 mph becoming calm in the evening.

    Low: 66 °F

    Chance
    T-storms

  • Tuesday

    Tuesday: A 30 percent chance of showers and thunderstorms, mainly before 1pm. Mostly sunny, with a high near 83.

    High: 83 °F

    Chance
    Showers

Detailed Forecast

Today
Sunny, with a high near 89. Heat index values as high as 96. South wind 10 to 15 mph.
Tonight
Mostly clear, with a low around 73. South wind around 10 mph, with gusts as high as 25 mph.
Saturday
A slight chance of showers and thunderstorms before 10am, then a slight chance of showers between 10am and 1pm, then a slight chance of showers and thunderstorms after 1pm. Mostly sunny, with a high near 89. Heat index values as high as 98. South wind 10 to 15 mph. Chance of precipitation is 20%.
Saturday Night
A chance of showers and thunderstorms, then showers likely and possibly a thunderstorm after 1am. Mostly cloudy, with a low around 69. South wind 5 to 10 mph. Chance of precipitation is 60%. New rainfall amounts between three quarters and one inch possible.
Sunday
A 50 percent chance of showers and thunderstorms. Mostly cloudy, with a high near 81. Southwest wind 5 to 10 mph.
Sunday Night
A chance of showers and thunderstorms, then showers likely and possibly a thunderstorm after 1am. Mostly cloudy, with a low around 68. South wind around 5 mph. Chance of precipitation is 60%. New rainfall amounts between three quarters and one inch possible.
Monday
A chance of showers, with thunderstorms also possible after 10am. Partly sunny, with a high near 82. Southwest wind around 5 mph. Chance of precipitation is 50%.
Monday Night
A 40 percent chance of showers and thunderstorms. Mostly cloudy, with a low around 66. West wind around 5 mph becoming calm in the evening.
Tuesday
A 30 percent chance of showers and thunderstorms, mainly before 1pm. Mostly sunny, with a high near 83.
Tuesday Night
A 20 percent chance of showers and thunderstorms. Partly cloudy, with a low around 65.
Wednesday
A 20 percent chance of showers and thunderstorms. Partly sunny, with a high near 82.
Wednesday Night
A 20 percent chance of showers and thunderstorms. Partly cloudy, with a low around 66.
Thursday
A 20 percent chance of showers and thunderstorms. Mostly sunny, with a high near 83.
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Forecast Area
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ABOUT THIS FORECAST

 
Point Forecast:
Delavan WI
 42.63°N 88.65°W (Elev. 896 ft)
Last Update:
9:42 am CDT Aug 8, 2025
Forecast Valid:
9am CDT Aug 8, 2025-6pm CDT Aug 14, 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