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

80°F

27°C

Humidity 67%
Wind Speed SW 10 mph
Barometer 29.89 in (1011.1 mb)
Dewpoint 68°F (20°C)
Visibility 10.00 mi
Heat Index83°F (28°C)
Last update 30 Aug 5:53 pm CDT
Extended Forecast for

2 Miles SE Green Lake WI

  • Tonight

    Tonight: A 50 percent chance of showers and thunderstorms, mainly between 8pm and 1am. Mostly cloudy, with a low around 71. South wind 5 to 10 mph.

    Low: 71 °F

    Chance
    T-storms

  • Monday

    Monday: Partly sunny, with a high near 88. Southwest wind 10 to 15 mph.

    High: 88 °F

    Partly Sunny

  • Monday Night

    Monday Night: A slight chance of showers and thunderstorms between 3am and 4am. Partly cloudy, with a low around 70. Southwest wind 5 to 10 mph becoming light west after midnight. Chance of precipitation is 20%.

    Low: 70 °F

    Partly Cloudy
    then Slight
    Chance
    T-storms

  • Tuesday

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

    High: 87 °F

    Partly Sunny

  • Tuesday Night

    Tuesday Night: A 40 percent chance of showers and thunderstorms, mainly after 1am. Mostly cloudy, with a low around 68. Southwest wind around 5 mph becoming calm in the evening.

    Low: 68 °F

    Chance
    T-storms

  • Wednesday

    Wednesday: A slight chance of thunderstorms before 7am, then a slight chance of showers and thunderstorms after 1pm. Partly sunny, with a high near 85. Calm wind becoming southwest around 5 mph in the afternoon. Chance of precipitation is 20%.

    High: 85 °F

    Slight Chance
    T-storms

  • Wednesday Night

    Wednesday Night: A 50 percent chance of showers and thunderstorms. Partly cloudy, with a low around 65. East wind around 5 mph.

    Low: 65 °F

    Chance
    T-storms

  • Thursday

    Thursday: A 20 percent chance of showers and thunderstorms before 1pm. Partly sunny, with a high near 82. East wind around 5 mph becoming southeast in the afternoon.

    High: 82 °F

    Slight Chance
    T-storms

  • Thursday Night

    Thursday Night: A 40 percent chance of showers and thunderstorms. Partly cloudy, with a low around 64.

    Low: 64 °F

    Chance
    T-storms

Detailed Forecast

Tonight
A 50 percent chance of showers and thunderstorms, mainly between 8pm and 1am. Mostly cloudy, with a low around 71. South wind 5 to 10 mph.
Monday
Partly sunny, with a high near 88. Southwest wind 10 to 15 mph.
Monday Night
A slight chance of showers and thunderstorms between 3am and 4am. Partly cloudy, with a low around 70. Southwest wind 5 to 10 mph becoming light west after midnight. Chance of precipitation is 20%.
Tuesday
Partly sunny, with a high near 87. Calm wind becoming southwest around 5 mph in the afternoon.
Tuesday Night
A 40 percent chance of showers and thunderstorms, mainly after 1am. Mostly cloudy, with a low around 68. Southwest wind around 5 mph becoming calm in the evening.
Wednesday
A slight chance of thunderstorms before 7am, then a slight chance of showers and thunderstorms after 1pm. Partly sunny, with a high near 85. Calm wind becoming southwest around 5 mph in the afternoon. Chance of precipitation is 20%.
Wednesday Night
A 50 percent chance of showers and thunderstorms. Partly cloudy, with a low around 65. East wind around 5 mph.
Thursday
A 20 percent chance of showers and thunderstorms before 1pm. Partly sunny, with a high near 82. East wind around 5 mph becoming southeast in the afternoon.
Thursday Night
A 40 percent chance of showers and thunderstorms. Partly cloudy, with a low around 64.
Friday
Mostly sunny, with a high near 82.
Friday Night
A 20 percent chance of showers and thunderstorms. Partly cloudy, with a low around 62.
Saturday
Mostly sunny, with a high near 82.
Saturday Night
Partly cloudy, with a low around 61.
Sunday
Mostly sunny, with a high near 81.
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Forecast Area
Tiles ©ESRI

ABOUT THIS FORECAST

 
Point Forecast:
2 Miles SE Green Lake WI
 43.81°N 88.94°W (Elev. 850 ft)
Last Update:
5:36 pm CDT Aug 30, 2026
Forecast Valid:
6pm CDT Aug 30, 2026-6pm CDT Sep 6, 2026
 
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