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.

Overcast

25°F

-4°C

Humidity 72%
Wind Speed NW 10 mph
Barometer 30.08 in (1020.6 mb)
Dewpoint 17°F (-8°C)
Visibility 10.00 mi
Wind Chill15°F (-9°C)
Last update 21 Feb 1:53 pm CST
Extended Forecast for

2 Miles SE Green Lake WI

  • This Afternoon

    This Afternoon: A chance of flurries before 3pm. Mostly cloudy, with a high near 30. Northwest wind around 15 mph.

    High: 30 °F

    Chance
    Flurries

  • Tonight

    Tonight: A chance of flurries with a slight chance of snow showers before 10pm, then a chance of flurries between 10pm and 5am, then a slight chance of snow showers after 5am. Mostly cloudy, with a low around 17. Blustery, with a northwest wind 15 to 20 mph. Chance of precipitation is 20%.

    Low: 17 °F

    Slight Chance
    Snow Showers
    and Blustery

  • Sunday

    Sunday: A chance of flurries before 1pm. Mostly cloudy, with a high near 26. Blustery, with a northwest wind 15 to 20 mph, with gusts as high as 30 mph.

    High: 26 °F

    Chance
    Flurries and
    Blustery

  • Sunday Night

    Sunday Night: Cloudy during the early evening, then gradual clearing, with a low around 10. Wind chill values between -5 and 5. Blustery, with a north wind 15 to 20 mph, with gusts as high as 30 mph.

    Low: 10 °F

    Gradual
    Clearing and
    Blustery

  • Monday

    Monday: Sunny, with a high near 24. Blustery, with a north wind 15 to 20 mph decreasing to 5 to 10 mph in the afternoon.

    High: 24 °F

    Sunny and
    Blustery then
    Mostly Sunny

  • Monday Night

    Monday Night: Mostly cloudy, with a low around 14. Northwest wind 5 to 10 mph becoming south after midnight.

    Low: 14 °F

    Mostly Cloudy

  • Tuesday

    Tuesday: A 50 percent chance of snow. Mostly cloudy, with a high near 36. South wind 10 to 15 mph.

    High: 36 °F

    Chance Snow

  • Tuesday Night

    Tuesday Night: A 40 percent chance of snow, mainly before midnight. Mostly cloudy, with a low around 19. Southwest wind around 10 mph becoming west in the evening.

    Low: 19 °F

    Chance Snow

  • Wednesday

    Wednesday: A 30 percent chance of snow, mainly after noon. Partly sunny, with a high near 32.

    High: 32 °F

    Chance Snow

Detailed Forecast

This Afternoon
A chance of flurries before 3pm. Mostly cloudy, with a high near 30. Northwest wind around 15 mph.
Tonight
A chance of flurries with a slight chance of snow showers before 10pm, then a chance of flurries between 10pm and 5am, then a slight chance of snow showers after 5am. Mostly cloudy, with a low around 17. Blustery, with a northwest wind 15 to 20 mph. Chance of precipitation is 20%.
Sunday
A chance of flurries before 1pm. Mostly cloudy, with a high near 26. Blustery, with a northwest wind 15 to 20 mph, with gusts as high as 30 mph.
Sunday Night
Cloudy during the early evening, then gradual clearing, with a low around 10. Wind chill values between -5 and 5. Blustery, with a north wind 15 to 20 mph, with gusts as high as 30 mph.
Monday
Sunny, with a high near 24. Blustery, with a north wind 15 to 20 mph decreasing to 5 to 10 mph in the afternoon.
Monday Night
Mostly cloudy, with a low around 14. Northwest wind 5 to 10 mph becoming south after midnight.
Tuesday
A 50 percent chance of snow. Mostly cloudy, with a high near 36. South wind 10 to 15 mph.
Tuesday Night
A 40 percent chance of snow, mainly before midnight. Mostly cloudy, with a low around 19. Southwest wind around 10 mph becoming west in the evening.
Wednesday
A 30 percent chance of snow, mainly after noon. Partly sunny, with a high near 32.
Wednesday Night
A 40 percent chance of snow. Partly cloudy, with a low around 14.
Thursday
A 30 percent chance of snow. Mostly sunny, with a high near 34.
Thursday Night
Partly cloudy, with a low around 21.
Friday
Sunny, with a high near 47.
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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:
1:47 pm CST Feb 21, 2026
Forecast Valid:
2pm CST Feb 21, 2026-6pm CST Feb 27, 2026
 
Forecast Discussion
 
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Additional Resources

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High Temperature

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Chance of Precipitation