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

Manitowoc, Manitowoc County Airport (KMTW)

Lat: 44.13°NLon: 87.68°WElev: 650ft.

Light Rain

N/A

Humidity NA
Wind Speed E 6 mph
Barometer 29.92 in
Dewpoint N/A
Visibility 10.00 mi
Last update 2 Sep 9:56 am CDT
Extended Forecast for

Brillion WI

  • Today

    Today: A 20 percent chance of showers before 11am. Mostly sunny, with a high near 82. Heat index values as high as 85. South southeast wind around 6 mph becoming west in the afternoon.

    High: 82 °F

    Slight Chance
    Showers then
    Mostly Sunny

  • Tonight

    Tonight: Patchy fog after 2am. Otherwise, partly cloudy, with a low around 65. South southeast wind around 5 mph becoming calm in the evening.

    Low: 65 °F

    Partly Cloudy
    then Patchy
    Fog

  • Thursday

    Thursday: A 50 percent chance of showers and thunderstorms, mainly after 5pm. Patchy fog before 8am. Otherwise, mostly cloudy, with a high near 81. Heat index values as high as 84. East wind 3 to 7 mph. New rainfall amounts of less than a tenth of an inch, except higher amounts possible in thunderstorms.

    High: 81 °F

    Chance
    T-storms and
    Patchy Fog

  • Thursday Night

    Thursday Night: A chance of showers and thunderstorms, then showers likely and possibly a thunderstorm after 1am. Mostly cloudy, with a low around 65. East wind 3 to 7 mph. Chance of precipitation is 70%.

    Low: 65 °F

    Chance
    T-storms then
    Showers
    Likely

  • Friday

    Friday: A chance of showers and thunderstorms before 10am, then a chance of showers between 10am and 1pm. Mostly cloudy, with a high near 82. Calm wind becoming southeast around 6 mph in the morning. Chance of precipitation is 40%.

    High: 82 °F

    Chance
    Showers

  • Friday Night

    Friday Night: A 50 percent chance of showers and thunderstorms. Mostly cloudy, with a low around 65.

    Low: 65 °F

    Chance
    T-storms

  • Saturday

    Saturday: A 30 percent chance of showers and thunderstorms before 1pm. Partly sunny, with a high near 79.

    High: 79 °F

    Chance
    Showers

  • Saturday Night

    Saturday Night: A 20 percent chance of showers and thunderstorms after 1am. Partly cloudy, with a low around 63.

    Low: 63 °F

    Partly Cloudy
    then Slight
    Chance
    T-storms

  • Sunday

    Sunday: A 40 percent chance of showers and thunderstorms, mainly before 1pm. Partly sunny, with a high near 79.

    High: 79 °F

    Chance
    Showers

Detailed Forecast

Today
A 20 percent chance of showers before 11am. Mostly sunny, with a high near 82. Heat index values as high as 85. South southeast wind around 6 mph becoming west in the afternoon.
Tonight
Patchy fog after 2am. Otherwise, partly cloudy, with a low around 65. South southeast wind around 5 mph becoming calm in the evening.
Thursday
A 50 percent chance of showers and thunderstorms, mainly after 5pm. Patchy fog before 8am. Otherwise, mostly cloudy, with a high near 81. Heat index values as high as 84. East wind 3 to 7 mph. New rainfall amounts of less than a tenth of an inch, except higher amounts possible in thunderstorms.
Thursday Night
A chance of showers and thunderstorms, then showers likely and possibly a thunderstorm after 1am. Mostly cloudy, with a low around 65. East wind 3 to 7 mph. Chance of precipitation is 70%.
Friday
A chance of showers and thunderstorms before 10am, then a chance of showers between 10am and 1pm. Mostly cloudy, with a high near 82. Calm wind becoming southeast around 6 mph in the morning. Chance of precipitation is 40%.
Friday Night
A 50 percent chance of showers and thunderstorms. Mostly cloudy, with a low around 65.
Saturday
A 30 percent chance of showers and thunderstorms before 1pm. Partly sunny, with a high near 79.
Saturday Night
A 20 percent chance of showers and thunderstorms after 1am. Partly cloudy, with a low around 63.
Sunday
A 40 percent chance of showers and thunderstorms, mainly before 1pm. Partly sunny, with a high near 79.
Sunday Night
A 40 percent chance of showers and thunderstorms. Mostly cloudy, with a low around 62.
Labor Day
A 20 percent chance of showers and thunderstorms. Partly sunny, with a high near 76.
Monday Night
A 30 percent chance of showers. Mostly cloudy, with a low around 60.
Tuesday
A 30 percent chance of showers and thunderstorms. Partly sunny, with a high near 75.
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ABOUT THIS FORECAST

 
Point Forecast:
Brillion WI
 44.17°N 88.07°W (Elev. 797 ft)
Last Update:
8:41 am CDT Sep 2, 2026
Forecast Valid:
10am CDT Sep 2, 2026-6pm CDT Sep 8, 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