Severe Thunderstorms in the Northern Plains and Upper Midwest; Critical Fire Weather in the West; Dangerous Heat in the Central and Eastern U.S.

Severe thunderstorms are likely today across the northern Plains and into the upper Mississippi Valley. Gusty winds and dry conditions will result in widespread critical fire weather through Saturday across parts of the Four Corners region and the Great Basin. A significant and dangerous heat wave will expand from the Central U.S. into the Eastern U.S this weekend through much of next week. Read More >

Current conditions at

Manitowoc, Manitowoc County Airport (KMTW)

Lat: 44.13°NLon: 87.68°WElev: 650ft.

Light Rain

65°F

18°C

Humidity 97%
Wind Speed SW 7 mph
Barometer 29.90 in (1012.3 mb)
Dewpoint 64°F (18°C)
Visibility 10.00 mi
Last update 20 Jun 8:56 am CDT
Extended Forecast for

Brillion WI

Heat Advisory June 21, 12:00pm until June 23, 07:00pm
Click here for hazard details and duration
Heat Advisory
  • Today

    Today: A chance of showers before noon, then a slight chance of showers and thunderstorms between noon and 1pm.  Mostly cloudy, with a high near 79. South southwest wind 7 to 13 mph, with gusts as high as 22 mph.  Chance of precipitation is 30%.

    High: 79 °F

    Chance
    Showers then
    Slight Chance
    T-storms

  • Tonight

    Tonight: A chance of showers and thunderstorms.  Mostly cloudy, with a low around 66. South southeast wind 7 to 10 mph, with gusts as high as 22 mph.  Chance of precipitation is 30%.

    Low: 66 °F

    Chance
    T-storms

  • Saturday

    Saturday: Mostly sunny and hot, with a high near 91. Heat index values as high as 100. Southwest wind 15 to 21 mph, with gusts as high as 34 mph.

    High: 91 °F

    Hot

  • Saturday Night

    Saturday Night: Mostly clear, with a low around 78. Southwest wind around 17 mph, with gusts as high as 29 mph.

    Low: 78 °F

    Mostly Clear

  • Sunday

    Sunday: Sunny and hot, with a high near 93. Southwest wind 16 to 18 mph, with gusts as high as 30 mph.

    High: 93 °F

    Hot

  • Sunday Night

    Sunday Night: Mostly clear, with a low around 77.

    Low: 77 °F

    Mostly Clear

  • Monday

    Monday: A 40 percent chance of showers and thunderstorms after 1pm.  Sunny and hot, with a high near 93.

    High: 93 °F

    Sunny then
    Chance
    T-storms

  • Monday Night

    Monday Night: Showers and thunderstorms likely before 1am, then showers likely and possibly a thunderstorm after 1am.  Mostly cloudy, with a low around 66. Chance of precipitation is 60%.

    Low: 66 °F

    T-storms
    Likely

  • Tuesday

    Tuesday: A chance of showers and thunderstorms, then showers likely and possibly a thunderstorm after 1pm.  Mostly cloudy, with a high near 76. Chance of precipitation is 60%.

    High: 76 °F

    Showers
    Likely

Detailed Forecast

Today
A chance of showers before noon, then a slight chance of showers and thunderstorms between noon and 1pm. Mostly cloudy, with a high near 79. South southwest wind 7 to 13 mph, with gusts as high as 22 mph. Chance of precipitation is 30%.
Tonight
A chance of showers and thunderstorms. Mostly cloudy, with a low around 66. South southeast wind 7 to 10 mph, with gusts as high as 22 mph. Chance of precipitation is 30%.
Saturday
Mostly sunny and hot, with a high near 91. Heat index values as high as 100. Southwest wind 15 to 21 mph, with gusts as high as 34 mph.
Saturday Night
Mostly clear, with a low around 78. Southwest wind around 17 mph, with gusts as high as 29 mph.
Sunday
Sunny and hot, with a high near 93. Southwest wind 16 to 18 mph, with gusts as high as 30 mph.
Sunday Night
Mostly clear, with a low around 77.
Monday
A 40 percent chance of showers and thunderstorms after 1pm. Sunny and hot, with a high near 93.
Monday Night
Showers and thunderstorms likely before 1am, then showers likely and possibly a thunderstorm after 1am. Mostly cloudy, with a low around 66. Chance of precipitation is 60%.
Tuesday
A chance of showers and thunderstorms, then showers likely and possibly a thunderstorm after 1pm. Mostly cloudy, with a high near 76. Chance of precipitation is 60%.
Tuesday Night
A chance of showers and thunderstorms, then showers likely and possibly a thunderstorm after 1am. Mostly cloudy, with a low around 59. Chance of precipitation is 60%.
Wednesday
Showers likely and possibly a thunderstorm. Mostly cloudy, with a high near 74. Chance of precipitation is 70%.
Wednesday Night
Showers likely and possibly a thunderstorm. Mostly cloudy, with a low around 60. Chance of precipitation is 60%.
Thursday
Showers likely and possibly a thunderstorm. Mostly cloudy, with a high near 75. Chance of precipitation is 70%.
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ABOUT THIS FORECAST

 
Point Forecast:
Brillion WI
 44.19°N 88.07°W (Elev. 850 ft)
7:52 am CDT Jun 20, 2025
9am CDT Jun 20, 2025-6pm CDT Jun 26, 2025
 
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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