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Hazardous Weather Conditions

Current conditions at

Wittman Regional Airport (KOSH)

Lat: 43.97°NLon: 88.56°WElev: 801ft.

Fair

44°F

7°C

Humidity 63%
Wind Speed SW 6 mph
Barometer 30.09 in (1018.9 mb)
Dewpoint 32°F (0°C)
Visibility 10.00 mi
Wind Chill41°F (5°C)
Last update 14 May 4:53 am CDT
Extended Forecast for

Green Lake WI

  • Today

    Today: Sunny, with a high near 69. Calm wind becoming south around 5 mph in the afternoon.

    High: 69 °F

    Sunny

  • Tonight

    Tonight: Showers likely, mainly between 11pm and 4am. Increasing clouds, with a low around 48. South wind 5 to 10 mph. Chance of precipitation is 70%. New precipitation amounts of less than a tenth of an inch possible.

    Low: 48 °F

    Chance
    Showers then
    Showers
    Likely

  • Friday

    Friday: Mostly sunny, with a high near 78. South wind around 15 mph, with gusts as high as 30 mph.

    High: 78 °F

    Mostly Sunny

  • Friday Night

    Friday Night: A slight chance of showers before 1am, then a chance of showers and thunderstorms between 1am and 4am, then a chance of showers after 4am. Partly cloudy, with a low around 55. South wind 5 to 10 mph. Chance of precipitation is 30%.

    Low: 55 °F

    Chance
    Showers

  • Saturday

    Saturday: A 30 percent chance of showers, mainly after 1pm. Mostly sunny, with a high near 80. West wind 5 to 10 mph.

    High: 80 °F

    Chance
    Showers

  • Saturday Night

    Saturday Night: A 20 percent chance of showers before 1am. Partly cloudy, with a low around 49. Calm wind becoming northeast around 5 mph after midnight.

    Low: 49 °F

    Slight Chance
    Showers

  • Sunday

    Sunday: A slight chance of showers, then a chance of showers and thunderstorms after 1pm. Partly sunny, with a high near 73. East wind 10 to 15 mph, with gusts as high as 25 mph. Chance of precipitation is 50%.

    High: 73 °F

    Slight Chance
    Showers then
    Chance
    Showers

  • Sunday Night

    Sunday Night: A 50 percent chance of showers and thunderstorms. Mostly cloudy, with a low around 55. East wind 10 to 15 mph, with gusts as high as 25 mph.

    Low: 55 °F

    Chance
    T-storms

  • Monday

    Monday: A chance of showers, with thunderstorms also possible after 1pm. Partly sunny, with a high near 86. Breezy. Chance of precipitation is 50%.

    High: 86 °F

    Breezy.
    Chance
    Showers then
    Chance
    T-storms

Detailed Forecast

Today
Sunny, with a high near 69. Calm wind becoming south around 5 mph in the afternoon.
Tonight
Showers likely, mainly between 11pm and 4am. Increasing clouds, with a low around 48. South wind 5 to 10 mph. Chance of precipitation is 70%. New precipitation amounts of less than a tenth of an inch possible.
Friday
Mostly sunny, with a high near 78. South wind around 15 mph, with gusts as high as 30 mph.
Friday Night
A slight chance of showers before 1am, then a chance of showers and thunderstorms between 1am and 4am, then a chance of showers after 4am. Partly cloudy, with a low around 55. South wind 5 to 10 mph. Chance of precipitation is 30%.
Saturday
A 30 percent chance of showers, mainly after 1pm. Mostly sunny, with a high near 80. West wind 5 to 10 mph.
Saturday Night
A 20 percent chance of showers before 1am. Partly cloudy, with a low around 49. Calm wind becoming northeast around 5 mph after midnight.
Sunday
A slight chance of showers, then a chance of showers and thunderstorms after 1pm. Partly sunny, with a high near 73. East wind 10 to 15 mph, with gusts as high as 25 mph. Chance of precipitation is 50%.
Sunday Night
A 50 percent chance of showers and thunderstorms. Mostly cloudy, with a low around 55. East wind 10 to 15 mph, with gusts as high as 25 mph.
Monday
A chance of showers, with thunderstorms also possible after 1pm. Partly sunny, with a high near 86. Breezy. Chance of precipitation is 50%.
Monday Night
A chance of showers and thunderstorms, then showers likely and possibly a thunderstorm after 1am. Mostly cloudy, with a low around 59. Chance of precipitation is 60%.
Tuesday
A 50 percent chance of showers. Partly sunny, with a high near 78.
Tuesday Night
A 40 percent chance of showers. Mostly cloudy, with a low around 48.
Wednesday
Partly sunny, with a high near 69.
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Forecast Area
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ABOUT THIS FORECAST

 
Point Forecast:
Green Lake WI
 43.86°N 88.93°W (Elev. 846 ft)
Last Update:
4:33 am CDT May 14, 2026
Forecast Valid:
4am CDT May 14, 2026-6pm CDT May 20, 2026
 
Forecast Discussion
 
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Additional Resources

Radar & Satellite Image

Link to Local Radar Data Link to Satellite Data

Hourly Weather Forecast

National Digital Forecast Database

National Digital Forecast Database Maximum Temperature Forecast

High Temperature

National Digital Forecast Database Weather Element Forecast

Chance of Precipitation