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Hazardous Weather Conditions

Current conditions at

Wittman Regional Airport (KOSH)

Lat: 43.97°NLon: 88.56°WElev: 801ft.

Fair

70°F

21°C

Humidity 93%
Wind Speed S 7 mph
Barometer 29.89 in (1010.7 mb)
Dewpoint 68°F (20°C)
Visibility 10.00 mi
Last update 16 Jul 12:53 am CDT
Extended Forecast for

Winnebago WI

  • Overnight

    Overnight: Partly cloudy, with a low around 71. South southwest 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 5 to 10 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. Northeast wind 10 to 15 mph becoming north northwest after midnight. Winds could gust 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. Northeast wind 10 to 13 mph, with gusts as high as 21 mph.

    High: 72 °F

    Slight Chance
    Showers

  • Thursday Night

    Thursday Night: Mostly clear, with a low around 54. East wind 5 to 8 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

Overnight
Partly cloudy, with a low around 71. South southwest 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 5 to 10 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. Northeast wind 10 to 15 mph becoming north northwest after midnight. Winds could gust 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. Northeast wind 10 to 13 mph, with gusts as high as 21 mph.
Thursday Night
Mostly clear, with a low around 54. East wind 5 to 8 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:
1:11 am CDT Jul 16, 2025
Forecast Valid:
1am CDT Jul 16, 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