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Hazardous Weather Conditions

Current conditions at

Wittman Regional Airport (KOSH)

Lat: 43.97°NLon: 88.56°WElev: 801ft.

Fair

61°F

16°C

Humidity 84%
Wind Speed S 7 mph
Barometer 29.87 in (1010.9 mb)
Dewpoint 56°F (13°C)
Visibility 10.00 mi
Last update 19 Jun 10:53 pm CDT
Extended Forecast for

Green Lake WI

  • Tonight

    Tonight: A chance of showers and thunderstorms before 1am, then a slight chance of showers between 1am and 2am. Partly cloudy, with a low around 52. West wind around 5 mph. Chance of precipitation is 40%.

    Low: 52 °F

    Chance
    Showers

  • Saturday

    Saturday: Mostly sunny, with a high near 72. Northwest wind around 10 mph.

    High: 72 °F

    Mostly Sunny

  • Saturday Night

    Saturday Night: Mostly clear, with a low around 51. Northwest wind 5 to 10 mph becoming light in the evening.

    Low: 51 °F

    Mostly Clear

  • Sunday

    Sunday: Mostly cloudy, with a high near 72. Calm wind becoming east around 5 mph in the afternoon.

    High: 72 °F

    Mostly Cloudy

  • Sunday Night

    Sunday Night: Mostly cloudy, with a low around 52. East wind 5 to 10 mph becoming north after midnight.

    Low: 52 °F

    Mostly Cloudy

  • Monday

    Monday: Mostly sunny, with a high near 74. North wind 5 to 10 mph.

    High: 74 °F

    Mostly Sunny

  • Monday Night

    Monday Night: Partly cloudy, with a low around 51. North wind around 5 mph becoming calm in the evening.

    Low: 51 °F

    Partly Cloudy

  • Tuesday

    Tuesday: Mostly sunny, with a high near 75. Calm wind becoming east around 5 mph.

    High: 75 °F

    Mostly Sunny

  • Tuesday Night

    Tuesday Night: A chance of showers and thunderstorms, then showers likely and possibly a thunderstorm after 1am. Mostly cloudy, with a low around 54. Chance of precipitation is 70%.

    Low: 54 °F

    Chance
    Showers then
    Showers
    Likely

Detailed Forecast

Tonight
A chance of showers and thunderstorms before 1am, then a slight chance of showers between 1am and 2am. Partly cloudy, with a low around 52. West wind around 5 mph. Chance of precipitation is 40%.
Saturday
Mostly sunny, with a high near 72. Northwest wind around 10 mph.
Saturday Night
Mostly clear, with a low around 51. Northwest wind 5 to 10 mph becoming light in the evening.
Sunday
Mostly cloudy, with a high near 72. Calm wind becoming east around 5 mph in the afternoon.
Sunday Night
Mostly cloudy, with a low around 52. East wind 5 to 10 mph becoming north after midnight.
Monday
Mostly sunny, with a high near 74. North wind 5 to 10 mph.
Monday Night
Partly cloudy, with a low around 51. North wind around 5 mph becoming calm in the evening.
Tuesday
Mostly sunny, with a high near 75. Calm wind becoming east around 5 mph.
Tuesday Night
A chance of showers and thunderstorms, then showers likely and possibly a thunderstorm after 1am. Mostly cloudy, with a low around 54. Chance of precipitation is 70%.
Wednesday
A chance of showers and thunderstorms, then showers likely and possibly a thunderstorm after 1pm. Mostly sunny, with a high near 71. Chance of precipitation is 70%.
Wednesday Night
A 30 percent chance of showers and thunderstorms. Partly cloudy, with a low around 52.
Thursday
A 20 percent chance of showers and thunderstorms. Mostly sunny, with a high near 74.
Thursday Night
Mostly clear, with a low around 53.
Friday
A 20 percent chance of showers and thunderstorms. Mostly sunny, with a high near 75.
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Forecast Area
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ABOUT THIS FORECAST

 
Point Forecast:
Green Lake WI
 43.83°N 88.94°W (Elev. 869 ft)
Last Update:
10:56 pm CDT Jun 19, 2026
Forecast Valid:
11pm CDT Jun 19, 2026-6pm CDT Jun 26, 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