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

50°F

10°C

Humidity 52%
Wind Speed SW 14 G 23 mph
Barometer 29.71 in (1007.0 mb)
Dewpoint 33°F (1°C)
Visibility 10.00 mi
Wind Chill45°F (7°C)
Last update 27 Feb 11:53 am CST
Extended Forecast for

2 Miles SSE Green Lake WI

  • This Afternoon

    This Afternoon: Mostly sunny, with a high near 51. Southwest wind around 15 mph, with gusts as high as 30 mph.

    High: 51 °F

    Mostly Sunny

  • Tonight

    Tonight: Partly cloudy, with a low around 19. West wind 10 to 15 mph becoming northwest after midnight. Winds could gust as high as 25 mph.

    Low: 19 °F

    Partly Cloudy

  • Saturday

    Saturday: Snow, mainly after 11am. High near 25. North wind 5 to 10 mph. Chance of precipitation is 80%. New snow accumulation of 1 to 2 inches possible.

    High: 25 °F

    Snow

  • Saturday Night

    Saturday Night: A 30 percent chance of snow, mainly before 7pm. Cloudy during the early evening, then gradual clearing, with a low around 7. Wind chill values between zero and 5. North wind 5 to 10 mph.

    Low: 7 °F

    Chance Snow
    then Mostly
    Clear

  • Sunday

    Sunday: Mostly sunny, with a high near 25. North wind around 5 mph.

    High: 25 °F

    Mostly Sunny

  • Sunday Night

    Sunday Night: Partly cloudy, with a low around 10. Northeast wind around 5 mph becoming south in the evening.

    Low: 10 °F

    Partly Cloudy

  • Monday

    Monday: Mostly sunny, with a high near 37. South wind 5 to 10 mph.

    High: 37 °F

    Mostly Sunny

  • Monday Night

    Monday Night: Mostly cloudy, with a low around 23. South wind 5 to 10 mph.

    Low: 23 °F

    Mostly Cloudy

  • Tuesday

    Tuesday: A 30 percent chance of snow, mainly before noon. Partly sunny, with a high near 40.

    High: 40 °F

    Chance Snow

Detailed Forecast

This Afternoon
Mostly sunny, with a high near 51. Southwest wind around 15 mph, with gusts as high as 30 mph.
Tonight
Partly cloudy, with a low around 19. West wind 10 to 15 mph becoming northwest after midnight. Winds could gust as high as 25 mph.
Saturday
Snow, mainly after 11am. High near 25. North wind 5 to 10 mph. Chance of precipitation is 80%. New snow accumulation of 1 to 2 inches possible.
Saturday Night
A 30 percent chance of snow, mainly before 7pm. Cloudy during the early evening, then gradual clearing, with a low around 7. Wind chill values between zero and 5. North wind 5 to 10 mph.
Sunday
Mostly sunny, with a high near 25. North wind around 5 mph.
Sunday Night
Partly cloudy, with a low around 10. Northeast wind around 5 mph becoming south in the evening.
Monday
Mostly sunny, with a high near 37. South wind 5 to 10 mph.
Monday Night
Mostly cloudy, with a low around 23. South wind 5 to 10 mph.
Tuesday
A 30 percent chance of snow, mainly before noon. Partly sunny, with a high near 40.
Tuesday Night
Partly cloudy, with a low around 25.
Wednesday
A 20 percent chance of rain. Sunny, with a high near 45.
Wednesday Night
A 50 percent chance of rain. Mostly cloudy, with a low around 32.
Thursday
A 50 percent chance of rain. Mostly cloudy, with a high near 46.
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Forecast Area
Tiles ©ESRI

ABOUT THIS FORECAST

 
Point Forecast:
2 Miles SSE Green Lake WI
 43.81°N 88.94°W (Elev. 850 ft)
Last Update:
11:52 am CST Feb 27, 2026
Forecast Valid:
12pm CST Feb 27, 2026-6pm CST Mar 5, 2026
 
Forecast Discussion
 
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Additional Resources

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High Temperature

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Chance of Precipitation