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Hazardous Weather Conditions

Current conditions at

Wittman Regional Airport (KOSH)

Lat: 43.97°NLon: 88.56°WElev: 801ft.

Fog/Mist and Windy

24°F

-4°C

Humidity 88%
Wind Speed N 31 G 41 mph
Barometer 29.37 in (996.1 mb)
Dewpoint 21°F (-6°C)
Visibility 0.75 mi
Wind Chill7°F (-14°C)
Last update 16 Mar 1:53 am CDT
Extended Forecast for

3 Miles S Green Lake WI

Blizzard Warning March 16, 02:51am until March 16, 04:00pm
Click here for hazard details and duration
Blizzard Warning
  •  
    Blizzard Warning March 16, 02:51am until March 16, 04:00pm

    NOW until 4:00pm Mon

    Blizzard Warning

  • Overnight

    Low: 17 °F

    Heavy Snow
    and Blowing
    Snow

  • Monday

    Monday: Snow, mainly before 2pm. The snow could be heavy at times. Widespread blowing snow, mainly before noon. High near 21. Wind chill values between zero and 5. Windy, with a northwest wind 25 to 30 mph, with gusts as high as 45 mph. Chance of precipitation is 100%. New snow accumulation of 2 to 4 inches possible.

    High: 21 °F

    Heavy Snow
    and Blowing
    Snow

  • Monday Night

    Monday Night: Patchy blowing snow before 11pm. Mostly cloudy, with a low around -1. Wind chill values between -5 and -10. Windy, with a northwest wind 20 to 25 mph decreasing to 10 to 15 mph after midnight. Winds could gust as high as 30 mph.

    Low: -1 °F

    Patchy
    Blowing Snow
    and Windy
    then Partly
    Cloudy

  • Tuesday

    Tuesday: Mostly sunny, with a high near 21. Wind chill values between -5 and -15. Northwest wind around 10 mph becoming southwest in the afternoon.

    High: 21 °F

    Mostly Sunny

  • Tuesday Night

    Tuesday Night: Snow likely. Cloudy, with a low around 13. South wind 10 to 15 mph. Chance of precipitation is 70%. New snow accumulation of less than one inch possible.

    Low: 13 °F

    Snow Likely

  • Wednesday

    Wednesday: Mostly cloudy, with a high near 37. Southwest wind around 10 mph.

    High: 37 °F

    Mostly Cloudy

  • Wednesday Night

    Wednesday Night: A chance of rain before 4am, then a chance of freezing rain. Mostly cloudy, with a low around 29. Southwest wind 5 to 10 mph. Chance of precipitation is 30%.

    Low: 29 °F

    Slight Chance
    Rain then
    Chance
    Rain/Freezing
    Rain

  • Thursday

    Thursday: A chance of freezing rain before 7am. Mostly sunny, with a high near 41. West wind around 5 mph. Chance of precipitation is 30%.

    High: 41 °F

    Chance
    Freezing Rain
    then Mostly
    Sunny

Detailed Forecast

Overnight
Snow. The snow could be heavy at times. Widespread blowing snow. Low around 17. Windy, with a north wind around 30 mph, with gusts as high as 45 mph. Chance of precipitation is 100%. Total nighttime snow accumulation of 4 to 7 inches possible.
Monday
Snow, mainly before 2pm. The snow could be heavy at times. Widespread blowing snow, mainly before noon. High near 21. Wind chill values between zero and 5. Windy, with a northwest wind 25 to 30 mph, with gusts as high as 45 mph. Chance of precipitation is 100%. New snow accumulation of 2 to 4 inches possible.
Monday Night
Patchy blowing snow before 11pm. Mostly cloudy, with a low around -1. Wind chill values between -5 and -10. Windy, with a northwest wind 20 to 25 mph decreasing to 10 to 15 mph after midnight. Winds could gust as high as 30 mph.
Tuesday
Mostly sunny, with a high near 21. Wind chill values between -5 and -15. Northwest wind around 10 mph becoming southwest in the afternoon.
Tuesday Night
Snow likely. Cloudy, with a low around 13. South wind 10 to 15 mph. Chance of precipitation is 70%. New snow accumulation of less than one inch possible.
Wednesday
Mostly cloudy, with a high near 37. Southwest wind around 10 mph.
Wednesday Night
A chance of rain before 4am, then a chance of freezing rain. Mostly cloudy, with a low around 29. Southwest wind 5 to 10 mph. Chance of precipitation is 30%.
Thursday
A chance of freezing rain before 7am. Mostly sunny, with a high near 41. West wind around 5 mph. Chance of precipitation is 30%.
Thursday Night
Mostly cloudy, with a low around 29.
Friday
Mostly cloudy, with a high near 45.
Friday Night
Mostly cloudy, with a low around 31.
Saturday
Partly sunny, with a high near 45.
Saturday Night
A 20 percent chance of snow. Mostly cloudy, with a low around 29.
Sunday
Partly sunny, with a high near 43.
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Forecast Area
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ABOUT THIS FORECAST

 
Point Forecast:
3 Miles S Green Lake WI
 43.81°N 88.97°W (Elev. 850 ft)
Last Update:
2:37 am CDT Mar 16, 2026
Forecast Valid:
2am CDT Mar 16, 2026-6pm CDT Mar 22, 2026
 
Forecast Discussion
 
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Additional Resources

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High Temperature

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Chance of Precipitation