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.

Thunderstorm Rain Fog/Mist

34°F

1°C

Humidity 92%
Wind Speed NE 15 G 25 mph
Barometer 30.00 in (1016.7 mb)
Dewpoint 32°F (0°C)
Visibility 4.00 mi
Wind Chill24°F (-4°C)
Last update 4 Apr 2:53 am CDT
Extended Forecast for

2 Miles SE Green Lake WI

  • Overnight

    Overnight: Showers and possibly a thunderstorm before 4am, then showers likely. Low around 32. East wind around 15 mph, with gusts as high as 25 mph. Chance of precipitation is 80%. New rainfall amounts between a tenth and quarter of an inch, except higher amounts possible in thunderstorms.

    Low: 32 °F

    Showers

  • Saturday

    Saturday: Showers likely, mainly before 9am. Cloudy, with a high near 47. Breezy, with a south wind 10 to 15 mph becoming west 15 to 20 mph in the afternoon. Winds could gust as high as 30 mph. Chance of precipitation is 60%. New precipitation amounts of less than a tenth of an inch possible.

    High: 47 °F

    Showers
    Likely then
    Mostly Cloudy
    and Breezy

  • Saturday Night

    Saturday Night: A 20 percent chance of showers before 9pm. Mostly cloudy, with a low around 29. Breezy, with a west wind around 20 mph, with gusts as high as 30 mph.

    Low: 29 °F

    Breezy.
    Slight Chance
    Showers then
    Mostly Cloudy

  • Sunday

    Sunday: A 20 percent chance of showers after 4pm. Mostly cloudy, then gradually becoming sunny, with a high near 50. Breezy, with a west wind 15 to 20 mph, with gusts as high as 25 mph.

    High: 50 °F

    Partly Sunny
    and Breezy
    then Slight
    Chance
    Showers

  • Sunday Night

    Sunday Night: A 30 percent chance of showers, mainly between 7pm and 1am. Mostly cloudy, with a low around 34. West wind 10 to 15 mph.

    Low: 34 °F

    Chance
    Showers

  • Monday

    Monday: Partly sunny, with a high near 43. Breezy, with a northwest wind 15 to 20 mph, with gusts as high as 30 mph.

    High: 43 °F

    Partly Sunny
    and Breezy

  • Monday Night

    Monday Night: Mostly cloudy, then gradually becoming clear, with a low around 19. Blustery, with a north wind 15 to 20 mph decreasing to 5 to 10 mph after midnight.

    Low: 19 °F

    Partly Cloudy
    and Blustery
    then Mostly
    Clear

  • Tuesday

    Tuesday: Sunny, with a high near 43. North wind around 5 mph becoming south in the afternoon.

    High: 43 °F

    Sunny

  • Tuesday Night

    Tuesday Night: A chance of snow showers after 1am, mixing with rain after 4am. Mostly cloudy, with a low around 29. Chance of precipitation is 40%.

    Low: 29 °F

    Mostly Cloudy
    then Chance
    Rain/Snow

Detailed Forecast

Overnight
Showers and possibly a thunderstorm before 4am, then showers likely. Low around 32. East wind around 15 mph, with gusts as high as 25 mph. Chance of precipitation is 80%. New rainfall amounts between a tenth and quarter of an inch, except higher amounts possible in thunderstorms.
Saturday
Showers likely, mainly before 9am. Cloudy, with a high near 47. Breezy, with a south wind 10 to 15 mph becoming west 15 to 20 mph in the afternoon. Winds could gust as high as 30 mph. Chance of precipitation is 60%. New precipitation amounts of less than a tenth of an inch possible.
Saturday Night
A 20 percent chance of showers before 9pm. Mostly cloudy, with a low around 29. Breezy, with a west wind around 20 mph, with gusts as high as 30 mph.
Sunday
A 20 percent chance of showers after 4pm. Mostly cloudy, then gradually becoming sunny, with a high near 50. Breezy, with a west wind 15 to 20 mph, with gusts as high as 25 mph.
Sunday Night
A 30 percent chance of showers, mainly between 7pm and 1am. Mostly cloudy, with a low around 34. West wind 10 to 15 mph.
Monday
Partly sunny, with a high near 43. Breezy, with a northwest wind 15 to 20 mph, with gusts as high as 30 mph.
Monday Night
Mostly cloudy, then gradually becoming clear, with a low around 19. Blustery, with a north wind 15 to 20 mph decreasing to 5 to 10 mph after midnight.
Tuesday
Sunny, with a high near 43. North wind around 5 mph becoming south in the afternoon.
Tuesday Night
A chance of snow showers after 1am, mixing with rain after 4am. Mostly cloudy, with a low around 29. Chance of precipitation is 40%.
Wednesday
A chance of rain and snow showers before 10am, then a chance of rain showers. Mostly cloudy, with a high near 61. Breezy. Chance of precipitation is 40%.
Wednesday Night
A 50 percent chance of showers and thunderstorms. Mostly cloudy, with a low around 43. Breezy.
Thursday
A 50 percent chance of showers. Partly sunny, with a high near 59.
Thursday Night
A 50 percent chance of showers. Mostly cloudy, with a low around 38.
Friday
Showers likely. Mostly cloudy, with a high near 58. Chance of precipitation is 60%.
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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:
2:36 am CDT Apr 4, 2026
Forecast Valid:
3am CDT Apr 4, 2026-6pm CDT Apr 10, 2026
 
Forecast Discussion
 
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Additional Resources

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Hourly Weather Forecast

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National Digital Forecast Database Maximum Temperature Forecast

High Temperature

National Digital Forecast Database Weather Element Forecast

Chance of Precipitation