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

Wittman Regional Airport (KOSH)

Lat: 43.97°NLon: 88.56°WElev: 801ft.

Fair

18°F

-8°C

Humidity 49%
Wind Speed W 10 G 22 mph
Barometer 29.71 in (1008.0 mb)
Dewpoint 2°F (-17°C)
Visibility 10.00 mi
Wind Chill6°F (-14°C)
Last update 25 Feb 1:53 pm CST
Extended Forecast for

2 Miles SE Green Lake WI

  • This Afternoon

    This Afternoon: Sunny, with a high near 21. Northwest wind 10 to 15 mph.

    High: 21 °F

    Sunny

  • Tonight

    Tonight: Increasing clouds, with a low around 9. West wind around 5 mph becoming calm in the evening.

    Low: 9 °F

    Increasing
    Clouds

  • Thursday

    Thursday: A 20 percent chance of snow before 8am. Partly sunny, with a high near 38. Southwest wind 5 to 15 mph.

    High: 38 °F

    Slight Chance
    Snow then
    Partly Sunny

  • Thursday Night

    Thursday Night: Mostly clear, with a low around 25. Southwest wind around 10 mph.

    Low: 25 °F

    Mostly Clear

  • Friday

    Friday: Partly sunny, with a high near 50. Breezy, with a southwest wind 10 to 20 mph, with gusts as high as 30 mph.

    High: 50 °F

    Partly Sunny
    then Partly
    Sunny and
    Breezy

  • Friday Night

    Friday Night: Partly cloudy, with a low around 20. West wind around 15 mph.

    Low: 20 °F

    Partly Cloudy

  • Saturday

    Saturday: A 50 percent chance of snow, mainly after noon. Mostly cloudy, with a high near 26. Northwest wind 10 to 15 mph.

    High: 26 °F

    Slight Chance
    Snow then
    Chance Snow

  • Saturday Night

    Saturday Night: Mostly cloudy, then gradually becoming mostly clear, with a low around 9. North wind around 10 mph.

    Low: 9 °F

    Decreasing
    Clouds

  • Sunday

    Sunday: Mostly sunny, with a high near 25.

    High: 25 °F

    Mostly Sunny

Detailed Forecast

This Afternoon
Sunny, with a high near 21. Northwest wind 10 to 15 mph.
Tonight
Increasing clouds, with a low around 9. West wind around 5 mph becoming calm in the evening.
Thursday
A 20 percent chance of snow before 8am. Partly sunny, with a high near 38. Southwest wind 5 to 15 mph.
Thursday Night
Mostly clear, with a low around 25. Southwest wind around 10 mph.
Friday
Partly sunny, with a high near 50. Breezy, with a southwest wind 10 to 20 mph, with gusts as high as 30 mph.
Friday Night
Partly cloudy, with a low around 20. West wind around 15 mph.
Saturday
A 50 percent chance of snow, mainly after noon. Mostly cloudy, with a high near 26. Northwest wind 10 to 15 mph.
Saturday Night
Mostly cloudy, then gradually becoming mostly clear, with a low around 9. North wind around 10 mph.
Sunday
Mostly sunny, with a high near 25.
Sunday Night
Partly cloudy, with a low around 11.
Monday
Mostly sunny, with a high near 34.
Monday Night
A 20 percent chance of snow. Mostly cloudy, with a low around 20.
Tuesday
A 30 percent chance of snow. Mostly sunny, with a high near 40.
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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:
2:03 pm CST Feb 25, 2026
Forecast Valid:
2pm CST Feb 25, 2026-6pm CST Mar 3, 2026
 
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Additional Resources

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