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

44°F

7°C

Humidity 73%
Wind Speed E 7 mph
Barometer 29.90 in (1013.6 mb)
Dewpoint 36°F (2°C)
Visibility 7.00 mi
Wind Chill40°F (4°C)
Last update 17 Feb 11:53 am CST
Extended Forecast for

2 Miles SE Green Lake WI

  • This Afternoon

    This Afternoon: Mostly cloudy, with a high near 49. East wind 10 to 15 mph.

    High: 49 °F

    Mostly Cloudy

  • Tonight

    Tonight: Showers and thunderstorms likely, then showers and possibly a thunderstorm after midnight. Low around 41. Breezy, with an east wind 15 to 20 mph becoming south after midnight. Winds could gust as high as 30 mph. Chance of precipitation is 90%. New rainfall amounts between a tenth and quarter of an inch, except higher amounts possible in thunderstorms.

    Low: 41 °F

    Showers and
    Breezy

  • Wednesday

    Wednesday: A 30 percent chance of showers before 7am. Mostly cloudy, then gradually becoming sunny, with a high near 57. Breezy, with a south wind 10 to 20 mph becoming west in the afternoon. Winds could gust as high as 30 mph.

    High: 57 °F

    Breezy.
    Chance
    Showers then
    Sunny

  • Wednesday Night

    Wednesday Night: Partly cloudy, with a low around 31. West wind 5 to 10 mph becoming southeast after midnight.

    Low: 31 °F

    Partly Cloudy

  • Thursday

    Thursday: A 40 percent chance of rain after noon. Mostly sunny, with a high near 51. Northeast wind 5 to 10 mph.

    High: 51 °F

    Mostly Sunny
    then Chance
    Rain

  • Thursday Night

    Thursday Night: Rain likely before 9pm, then rain and snow likely. Mostly cloudy, with a low around 30. Northeast wind around 15 mph becoming north after midnight. Chance of precipitation is 70%. New snow accumulation of less than a half inch possible.

    Low: 30 °F

    Rain/Snow
    Likely

  • Friday

    Friday: Snow likely, possibly mixed with rain before noon, then a chance of snow. Mostly cloudy, with a high near 37. West wind around 15 mph. Chance of precipitation is 60%. New precipitation amounts of less than a tenth of an inch possible.

    High: 37 °F

    Rain/Snow
    Likely then
    Chance Snow

  • Friday Night

    Friday Night: A 20 percent chance of snow. Mostly cloudy, with a low around 23. West wind 10 to 15 mph.

    Low: 23 °F

    Slight Chance
    Snow

  • Saturday

    Saturday: A 20 percent chance of snow after noon. Partly sunny, with a high near 36.

    High: 36 °F

    Partly Sunny
    then Slight
    Chance Snow

Detailed Forecast

This Afternoon
Mostly cloudy, with a high near 49. East wind 10 to 15 mph.
Tonight
Showers and thunderstorms likely, then showers and possibly a thunderstorm after midnight. Low around 41. Breezy, with an east wind 15 to 20 mph becoming south after midnight. Winds could gust as high as 30 mph. Chance of precipitation is 90%. New rainfall amounts between a tenth and quarter of an inch, except higher amounts possible in thunderstorms.
Wednesday
A 30 percent chance of showers before 7am. Mostly cloudy, then gradually becoming sunny, with a high near 57. Breezy, with a south wind 10 to 20 mph becoming west in the afternoon. Winds could gust as high as 30 mph.
Wednesday Night
Partly cloudy, with a low around 31. West wind 5 to 10 mph becoming southeast after midnight.
Thursday
A 40 percent chance of rain after noon. Mostly sunny, with a high near 51. Northeast wind 5 to 10 mph.
Thursday Night
Rain likely before 9pm, then rain and snow likely. Mostly cloudy, with a low around 30. Northeast wind around 15 mph becoming north after midnight. Chance of precipitation is 70%. New snow accumulation of less than a half inch possible.
Friday
Snow likely, possibly mixed with rain before noon, then a chance of snow. Mostly cloudy, with a high near 37. West wind around 15 mph. Chance of precipitation is 60%. New precipitation amounts of less than a tenth of an inch possible.
Friday Night
A 20 percent chance of snow. Mostly cloudy, with a low around 23. West wind 10 to 15 mph.
Saturday
A 20 percent chance of snow after noon. Partly sunny, with a high near 36.
Saturday Night
A 20 percent chance of snow. Mostly cloudy, with a low around 19.
Sunday
Partly sunny, with a high near 29.
Sunday Night
Partly cloudy, with a low around 12.
Monday
Sunny, with a high near 28.
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Forecast Area
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ABOUT THIS FORECAST

 
Point Forecast:
2 Miles SE Green Lake WI
 43.81°N 88.94°W (Elev. 850 ft)
Last Update:
12:27 pm CST Feb 17, 2026
Forecast Valid:
12pm CST Feb 17, 2026-6pm CST Feb 23, 2026
 
Forecast Discussion
 
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Additional Resources

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High Temperature

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Chance of Precipitation