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.

Partly Cloudy with Haze

78°F

26°C

Humidity 52%
Wind Speed W 7 mph
Barometer 29.97 in (1013.7 mb)
Dewpoint 59°F (15°C)
Visibility 4.00 mi
Heat Index79°F (26°C)
Last update 13 Jul 5:53 pm CDT
Extended Forecast for

Winnebago WI

  • Tonight

    Tonight: Areas of smoke before 4am. Partly cloudy, with a low around 64. Southwest wind around 7 mph.

    Low: 64 °F

    Areas Smoke

  • Monday

    Monday: Mostly sunny, with a high near 86. Heat index values as high as 90. West southwest wind 6 to 10 mph.

    High: 86 °F

    Mostly Sunny

  • Monday Night

    Monday Night: Mostly clear, with a low around 69. South southwest wind around 6 mph.

    Low: 69 °F

    Mostly Clear

  • Tuesday

    Tuesday: Sunny, with a high near 87. Heat index values as high as 90. South southwest wind 6 to 10 mph.

    High: 87 °F

    Sunny

  • Tuesday Night

    Tuesday Night: A 20 percent chance of showers before 1am. Mostly clear, with a low around 69. South wind 6 to 8 mph.

    Low: 69 °F

    Slight Chance
    Showers

  • Wednesday

    Wednesday: A slight chance of showers, then a chance of showers and thunderstorms after 10am. Partly sunny, with a high near 83. Chance of precipitation is 50%.

    High: 83 °F

    Slight Chance
    T-storms then
    Chance
    T-storms

  • Wednesday Night

    Wednesday Night: Showers likely and possibly a thunderstorm before 1am, then a chance of showers and thunderstorms after 1am. Mostly cloudy, with a low around 64. Chance of precipitation is 60%.

    Low: 64 °F

    Showers
    Likely

  • Thursday

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

    High: 76 °F

    Chance
    Showers then
    Chance
    T-storms

  • Thursday Night

    Thursday Night: A 20 percent chance of showers before 1am. Partly cloudy, with a low around 59.

    Low: 59 °F

    Slight Chance
    Showers

Detailed Forecast

Tonight
Areas of smoke before 4am. Partly cloudy, with a low around 64. Southwest wind around 7 mph.
Monday
Mostly sunny, with a high near 86. Heat index values as high as 90. West southwest wind 6 to 10 mph.
Monday Night
Mostly clear, with a low around 69. South southwest wind around 6 mph.
Tuesday
Sunny, with a high near 87. Heat index values as high as 90. South southwest wind 6 to 10 mph.
Tuesday Night
A 20 percent chance of showers before 1am. Mostly clear, with a low around 69. South wind 6 to 8 mph.
Wednesday
A slight chance of showers, then a chance of showers and thunderstorms after 10am. Partly sunny, with a high near 83. Chance of precipitation is 50%.
Wednesday Night
Showers likely and possibly a thunderstorm before 1am, then a chance of showers and thunderstorms after 1am. Mostly cloudy, with a low around 64. Chance of precipitation is 60%.
Thursday
A 40 percent chance of showers and thunderstorms. Mostly cloudy, with a high near 76.
Thursday Night
A 20 percent chance of showers before 1am. Partly cloudy, with a low around 59.
Friday
Mostly sunny, with a high near 76.
Friday Night
Partly cloudy, with a low around 60.
Saturday
A 30 percent chance of showers and thunderstorms. Partly sunny, with a high near 78.
Saturday Night
A 30 percent chance of showers and thunderstorms. Mostly cloudy, with a low around 63.
Sunday
A 30 percent chance of showers. Mostly sunny, with a high near 81.
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Forecast Area
Tiles ©ESRI

ABOUT THIS FORECAST

 
Point Forecast:
Winnebago WI
 44.08°N 88.53°W (Elev. 787 ft)
Last Update:
6:01 pm CDT Jul 13, 2025
Forecast Valid:
6pm CDT Jul 13, 2025-6pm CDT Jul 20, 2025
 
Forecast Discussion
 
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Additional Resources

Radar & Satellite Image

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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