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

Hazardous Weather Conditions

Current conditions at

Wittman Regional Airport (KOSH)

Lat: 43.97°NLon: 88.56°WElev: 801ft.

Fair

75°F

24°C

Humidity 82%
Wind Speed S 3 mph
Barometer 29.92 in (1011.7 mb)
Dewpoint 69°F (21°C)
Visibility 10.00 mi
Last update 15 Jul 10:53 pm CDT
Extended Forecast for

Winnebago WI

  • Tonight

    Tonight: Partly cloudy, with a low around 71. South wind around 6 mph.

    Low: 71 °F

    Partly Cloudy

  • Wednesday

    Wednesday: Showers and thunderstorms likely, mainly after 4pm. Some of the storms could produce heavy rainfall. Partly sunny, with a high near 85. Heat index values as high as 91. Light and variable wind becoming east southeast 5 to 9 mph in the morning. Chance of precipitation is 70%. New rainfall amounts between three quarters and one inch possible.

    High: 85 °F

    Mostly Sunny
    then Heavy
    Rain

  • Wednesday Night

    Wednesday Night: Showers and possibly a thunderstorm before 10pm, then showers likely. Some of the storms could produce heavy rainfall. Low around 59. North northeast wind 9 to 11 mph, with gusts as high as 20 mph. Chance of precipitation is 80%. New precipitation amounts between a half and three quarters of an inch possible.

    Low: 59 °F

    Heavy Rain
    then Showers
    Likely

  • Thursday

    Thursday: A 20 percent chance of showers before 1pm. Cloudy, then gradually becoming mostly sunny, with a high near 72. North wind 11 to 13 mph, with gusts as high as 20 mph.

    High: 72 °F

    Slight Chance
    Showers

  • Thursday Night

    Thursday Night: Mostly clear, with a low around 54. Northeast wind 6 to 9 mph.

    Low: 54 °F

    Mostly Clear

  • Friday

    Friday: Sunny, with a high near 75.

    High: 75 °F

    Sunny

  • Friday Night

    Friday Night: A 20 percent chance of showers after 1am. Partly cloudy, with a low around 61.

    Low: 61 °F

    Partly Cloudy
    then Slight
    Chance
    Showers

  • Saturday

    Saturday: A 40 percent chance of showers and thunderstorms. Mostly cloudy, with a high near 76.

    High: 76 °F

    Chance
    Showers then
    Chance
    T-storms

  • Saturday Night

    Saturday Night: A 30 percent chance of showers and thunderstorms before 1am. Mostly cloudy, with a low around 63.

    Low: 63 °F

    Chance
    Showers

Detailed Forecast

Tonight
Partly cloudy, with a low around 71. South wind around 6 mph.
Wednesday
Showers and thunderstorms likely, mainly after 4pm. Some of the storms could produce heavy rainfall. Partly sunny, with a high near 85. Heat index values as high as 91. Light and variable wind becoming east southeast 5 to 9 mph in the morning. Chance of precipitation is 70%. New rainfall amounts between three quarters and one inch possible.
Wednesday Night
Showers and possibly a thunderstorm before 10pm, then showers likely. Some of the storms could produce heavy rainfall. Low around 59. North northeast wind 9 to 11 mph, with gusts as high as 20 mph. Chance of precipitation is 80%. New precipitation amounts between a half and three quarters of an inch possible.
Thursday
A 20 percent chance of showers before 1pm. Cloudy, then gradually becoming mostly sunny, with a high near 72. North wind 11 to 13 mph, with gusts as high as 20 mph.
Thursday Night
Mostly clear, with a low around 54. Northeast wind 6 to 9 mph.
Friday
Sunny, with a high near 75.
Friday Night
A 20 percent chance of showers after 1am. Partly cloudy, with a low around 61.
Saturday
A 40 percent chance of showers and thunderstorms. Mostly cloudy, with a high near 76.
Saturday Night
A 30 percent chance of showers and thunderstorms before 1am. Mostly cloudy, with a low around 63.
Sunday
Partly sunny, with a high near 79.
Sunday Night
A 20 percent chance of showers. Partly cloudy, with a low around 62.
Monday
A 20 percent chance of showers. Mostly sunny, with a high near 81.
Monday Night
A 30 percent chance of showers. Partly cloudy, with a low around 66.
Tuesday
A 30 percent chance of showers and thunderstorms. Partly sunny, with a high near 84.
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Forecast Area
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ABOUT THIS FORECAST

 
Point Forecast:
Winnebago WI
 44.06°N 88.53°W (Elev. 758 ft)
Last Update:
9:46 pm CDT Jul 15, 2025
Forecast Valid:
11pm CDT Jul 15, 2025-6pm CDT Jul 22, 2025
 
Forecast Discussion
 
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Additional Resources

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Hourly Weather Forecast

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High Temperature

National Digital Forecast Database Weather Element Forecast

Chance of Precipitation