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

Hazardous Weather Conditions

Current conditions at

Manitowoc, Manitowoc County Airport (KMTW)

Lat: 44.13°NLon: 87.68°WElev: 650ft.

Overcast

70°F

21°C

Humidity 100%
Wind Speed S 7 mph
Barometer 30.00 in (1015.7 mb)
Dewpoint 70°F (21°C)
Visibility 10.00 mi
Last update 29 Aug 6:56 pm CDT
Extended Forecast for

Brillion WI

  • Tonight

    Tonight: A 40 percent chance of showers and thunderstorms, mainly after 1am. Cloudy, with a low around 66. South wind 7 to 10 mph, with gusts as high as 18 mph.

    Low: 66 °F

    Chance
    Showers

  • Sunday

    Sunday: A slight chance of showers before 8am, then a slight chance of showers and thunderstorms after 4pm. Mostly cloudy, with a high near 83. Heat index values as high as 87. South wind 6 to 9 mph becoming west southwest in the afternoon. Chance of precipitation is 20%.

    High: 83 °F

    Slight Chance
    Showers then
    Slight Chance
    T-storms

  • Sunday Night

    Sunday Night: A slight chance of showers and thunderstorms before 7pm, then a chance of showers and thunderstorms after 2am. Mostly cloudy, with a low around 69. South southwest wind around 6 mph becoming east in the evening. Chance of precipitation is 40%.

    Low: 69 °F

    Slight Chance
    T-storms then
    Chance
    Showers

  • Monday

    Monday: A 30 percent chance of showers and thunderstorms before 1pm. Partly sunny, with a high near 86. Heat index values as high as 94. South wind 8 to 11 mph, with gusts as high as 18 mph.

    High: 86 °F

    Chance
    T-storms then
    Chance
    Showers

  • Monday Night

    Monday Night: A 20 percent chance of showers and thunderstorms after 1am. Mostly cloudy, with a low around 71. Southwest wind 5 to 7 mph becoming calm after midnight.

    Low: 71 °F

    Mostly Cloudy
    then Slight
    Chance
    T-storms

  • Tuesday

    Tuesday: A 20 percent chance of showers and thunderstorms. Partly sunny, with a high near 86.

    High: 86 °F

    Slight Chance
    T-storms

  • Tuesday Night

    Tuesday Night: A 30 percent chance of showers and thunderstorms. Mostly cloudy, with a low around 68.

    Low: 68 °F

    Chance
    T-storms

  • Wednesday

    Wednesday: A 30 percent chance of showers and thunderstorms. Partly sunny, with a high near 84.

    High: 84 °F

    Chance
    Showers

  • Wednesday Night

    Wednesday Night: A slight chance of showers and thunderstorms. Partly cloudy, with a low around 64. Chance of precipitation is 20%.

    Low: 64 °F

    Slight Chance
    T-storms

Detailed Forecast

Tonight
A 40 percent chance of showers and thunderstorms, mainly after 1am. Cloudy, with a low around 66. South wind 7 to 10 mph, with gusts as high as 18 mph.
Sunday
A slight chance of showers before 8am, then a slight chance of showers and thunderstorms after 4pm. Mostly cloudy, with a high near 83. Heat index values as high as 87. South wind 6 to 9 mph becoming west southwest in the afternoon. Chance of precipitation is 20%.
Sunday Night
A slight chance of showers and thunderstorms before 7pm, then a chance of showers and thunderstorms after 2am. Mostly cloudy, with a low around 69. South southwest wind around 6 mph becoming east in the evening. Chance of precipitation is 40%.
Monday
A 30 percent chance of showers and thunderstorms before 1pm. Partly sunny, with a high near 86. Heat index values as high as 94. South wind 8 to 11 mph, with gusts as high as 18 mph.
Monday Night
A 20 percent chance of showers and thunderstorms after 1am. Mostly cloudy, with a low around 71. Southwest wind 5 to 7 mph becoming calm after midnight.
Tuesday
A 20 percent chance of showers and thunderstorms. Partly sunny, with a high near 86.
Tuesday Night
A 30 percent chance of showers and thunderstorms. Mostly cloudy, with a low around 68.
Wednesday
A 30 percent chance of showers and thunderstorms. Partly sunny, with a high near 84.
Wednesday Night
A slight chance of showers and thunderstorms. Partly cloudy, with a low around 64. Chance of precipitation is 20%.
Thursday
Mostly sunny, with a high near 81.
Thursday Night
A 20 percent chance of showers and thunderstorms. Partly cloudy, with a low around 62.
Friday
A 20 percent chance of showers. Mostly sunny, with a high near 81.
Friday Night
A 20 percent chance of showers. Partly cloudy, with a low around 63.
Saturday
Mostly sunny, with a high near 82.
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Forecast Area
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ABOUT THIS FORECAST

 
Point Forecast:
Brillion WI
 44.17°N 88.07°W (Elev. 797 ft)
Last Update:
5:36 pm CDT Aug 29, 2026
Forecast Valid:
7pm CDT Aug 29, 2026-6pm CDT Sep 5, 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