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

66°F

19°C

Humidity 93%
Wind Speed S 7 mph
Barometer 29.89 in (1011.2 mb)
Dewpoint 64°F (18°C)
Visibility 10.00 mi
Last update 30 Aug 5:53 am CDT
Extended Forecast for

Winneconne WI

  • Today

    Today: A 20 percent chance of showers and thunderstorms after 2pm. Mostly cloudy, with a high near 83. Heat index values as high as 87. Light south southeast wind becoming south southwest 5 to 10 mph in the morning.

    High: 83 °F

    Partly Sunny
    then Slight
    Chance
    T-storms

  • Tonight

    Tonight: A 30 percent chance of showers and thunderstorms, mainly between 4am and 5am. Mostly cloudy, with a low around 71. East southeast wind 5 to 7 mph.

    Low: 71 °F

    Mostly Cloudy
    then Chance
    T-storms

  • Monday

    Monday: Mostly sunny, with a high near 88. Heat index values as high as 93. West southwest wind 8 to 11 mph, with gusts as high as 20 mph.

    High: 88 °F

    Mostly Sunny

  • Monday Night

    Monday Night: Partly cloudy, with a low around 69. Southwest wind 5 to 7 mph becoming calm after midnight.

    Low: 69 °F

    Partly Cloudy

  • Tuesday

    Tuesday: Partly sunny, with a high near 87. Calm wind becoming southwest 5 to 7 mph in the afternoon.

    High: 87 °F

    Partly Sunny

  • Tuesday Night

    Tuesday Night: A 50 percent chance of showers and thunderstorms, mainly after 1am. Mostly cloudy, with a low around 70.

    Low: 70 °F

    Slight Chance
    T-storms then
    Chance
    T-storms

  • Wednesday

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

    High: 86 °F

    Slight Chance
    T-storms

  • Wednesday Night

    Wednesday Night: A slight chance of showers and thunderstorms. Partly cloudy, with a low around 66. Chance of precipitation is 20%.

    Low: 66 °F

    Slight Chance
    T-storms

  • Thursday

    Thursday: A 30 percent chance of showers and thunderstorms before 1pm. Partly sunny, with a high near 82.

    High: 82 °F

    Chance
    Showers

Detailed Forecast

Today
A 20 percent chance of showers and thunderstorms after 2pm. Mostly cloudy, with a high near 83. Heat index values as high as 87. Light south southeast wind becoming south southwest 5 to 10 mph in the morning.
Tonight
A 30 percent chance of showers and thunderstorms, mainly between 4am and 5am. Mostly cloudy, with a low around 71. East southeast wind 5 to 7 mph.
Monday
Mostly sunny, with a high near 88. Heat index values as high as 93. West southwest wind 8 to 11 mph, with gusts as high as 20 mph.
Monday Night
Partly cloudy, with a low around 69. Southwest wind 5 to 7 mph becoming calm after midnight.
Tuesday
Partly sunny, with a high near 87. Calm wind becoming southwest 5 to 7 mph in the afternoon.
Tuesday Night
A 50 percent chance of showers and thunderstorms, mainly after 1am. Mostly cloudy, with a low around 70.
Wednesday
A 20 percent chance of showers and thunderstorms. Partly sunny, with a high near 86.
Wednesday Night
A slight chance of showers and thunderstorms. Partly cloudy, with a low around 66. Chance of precipitation is 20%.
Thursday
A 30 percent chance of showers and thunderstorms before 1pm. Partly sunny, with a high near 82.
Thursday Night
A slight chance of showers, with thunderstorms also possible after 1am. Partly cloudy, with a low around 65. Chance of precipitation is 20%.
Friday
A 20 percent chance of showers and thunderstorms. Mostly sunny, with a high near 82.
Friday Night
A 30 percent chance of showers. Partly cloudy, with a low around 64.
Saturday
A 30 percent chance of showers and thunderstorms. Mostly sunny, with a high near 82.
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Forecast Area
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ABOUT THIS FORECAST

 
Point Forecast:
Winneconne WI
 44.11°N 88.71°W (Elev. 748 ft)
Last Update:
6:06 am CDT Aug 30, 2026
Forecast Valid:
6am CDT Aug 30, 2026-6pm CDT Sep 5, 2026
 
Forecast Discussion
 
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Additional Resources

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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