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.

Overcast

56°F

13°C

Humidity 87%
Wind Speed W 10 mph
Barometer 29.60 in (1001.9 mb)
Dewpoint 52°F (11°C)
Visibility 10.00 mi
Last update 18 Jun 6:53 am CDT
Extended Forecast for

2 Miles SSE Green Lake WI

  • Today

    Today: A 10 percent chance of showers and thunderstorms after 5pm. Mostly sunny, with a high near 70. Northwest wind 10 to 15 mph.

    High: 70 °F

    Partly Sunny
    then Slight
    Chance
    T-storms

  • Tonight

    Tonight: A 20 percent chance of showers and thunderstorms before 9pm. Mostly clear, with a low around 51. West wind 5 to 10 mph.

    Low: 51 °F

    Slight Chance
    T-storms then
    Mostly Clear

  • Juneteenth

    Juneteenth: Sunny, with a high near 73. West wind 5 to 10 mph.

    High: 73 °F

    Sunny

  • Friday Night

    Friday Night: A 50 percent chance of showers and thunderstorms before 1am. Partly cloudy, with a low around 53. West wind around 5 mph.

    Low: 53 °F

    Chance
    Showers

  • Saturday

    Saturday: Sunny, with a high near 75. Northwest wind around 10 mph.

    High: 75 °F

    Sunny

  • Saturday Night

    Saturday Night: Partly cloudy, with a low around 53. Northwest wind around 5 mph becoming calm in the evening.

    Low: 53 °F

    Partly Cloudy

  • Sunday

    Sunday: A 30 percent chance of showers. Partly sunny, with a high near 72. East wind 5 to 10 mph.

    High: 72 °F

    Chance
    Showers

  • Sunday Night

    Sunday Night: A 30 percent chance of showers before 1am. Partly cloudy, with a low around 49. Northeast wind around 10 mph.

    Low: 49 °F

    Chance
    Showers

  • Monday

    Monday: Mostly sunny, with a high near 73.

    High: 73 °F

    Mostly Sunny

Detailed Forecast

Today
A 10 percent chance of showers and thunderstorms after 5pm. Mostly sunny, with a high near 70. Northwest wind 10 to 15 mph.
Tonight
A 20 percent chance of showers and thunderstorms before 9pm. Mostly clear, with a low around 51. West wind 5 to 10 mph.
Juneteenth
Sunny, with a high near 73. West wind 5 to 10 mph.
Friday Night
A 50 percent chance of showers and thunderstorms before 1am. Partly cloudy, with a low around 53. West wind around 5 mph.
Saturday
Sunny, with a high near 75. Northwest wind around 10 mph.
Saturday Night
Partly cloudy, with a low around 53. Northwest wind around 5 mph becoming calm in the evening.
Sunday
A 30 percent chance of showers. Partly sunny, with a high near 72. East wind 5 to 10 mph.
Sunday Night
A 30 percent chance of showers before 1am. Partly cloudy, with a low around 49. Northeast wind around 10 mph.
Monday
Mostly sunny, with a high near 73.
Monday Night
Mostly clear, with a low around 50.
Tuesday
A 20 percent chance of showers. Mostly sunny, with a high near 75.
Tuesday Night
A 40 percent chance of showers and thunderstorms. Partly cloudy, with a low around 54.
Wednesday
A 40 percent chance of showers and thunderstorms. Mostly sunny, with a high near 75.
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Forecast Area
Tiles ©ESRI

ABOUT THIS FORECAST

 
Point Forecast:
2 Miles SSE Green Lake WI
 43.81°N 88.94°W (Elev. 850 ft)
Last Update:
7:33 am CDT Jun 18, 2026
Forecast Valid:
7am CDT Jun 18, 2026-6pm CDT Jun 24, 2026
 
Forecast Discussion
 
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Additional Resources

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High Temperature

National Digital Forecast Database Weather Element Forecast

Chance of Precipitation