Heat and Fire Weather Concerns West; Heavy Rain and Thunderstorms from Plains to mid-Atlantic

Thunderstorms and locally heavy rainfall is expected from the Central Plains to the Ohio Valley, mid-Atlantic and across the Southeast. Severe weather from the Upper Midwest to Central Plains increases on Friday. Major to Extreme HeatRisk continues across the Southern Plains to the lower Mississippi Valley late this week. Fire weather concerns for the northern Rockies and northern Plains today. Read More >

Hazardous Weather Conditions

Current conditions at

Wittman Regional Airport (KOSH)

Lat: 43.97°NLon: 88.56°WElev: 801ft.

Fair

72°F

22°C

Humidity 53%
Wind Speed W 6 mph
Barometer 30.06 in (1017.0 mb)
Dewpoint 54°F (12°C)
Visibility 10.00 mi
Last update 10 Sep 11:53 am CDT
Extended Forecast for

Green Lake WI

  • Today

    Today: Sunny, with a high near 76. Northwest wind around 5 mph.

    High: 76 °F

    Sunny

  • Tonight

    Tonight: Clear, with a low around 56. Light and variable wind becoming south 5 to 10 mph after midnight.

    Low: 56 °F

    Clear

  • Friday

    Friday: Sunny, with a high near 78. South wind around 10 mph.

    High: 78 °F

    Sunny

  • Friday Night

    Friday Night: Partly cloudy, with a low around 60. South wind around 10 mph.

    Low: 60 °F

    Partly Cloudy

  • Saturday

    Saturday: Partly sunny, with a high near 78. South wind around 10 mph becoming west in the afternoon.

    High: 78 °F

    Partly Sunny

  • Saturday Night

    Saturday Night: Partly cloudy, with a low around 53. Northwest wind around 5 mph.

    Low: 53 °F

    Partly Cloudy

  • Sunday

    Sunday: Mostly sunny, with a high near 71. Calm wind becoming northwest around 5 mph in the morning.

    High: 71 °F

    Mostly Sunny

  • Sunday Night

    Sunday Night: A 40 percent chance of showers.  Partly cloudy, with a low around 51. Calm wind becoming east around 5 mph after midnight.

    Low: 51 °F

    Chance
    Showers

  • Monday

    Monday: Showers likely, with thunderstorms also possible after 1pm.  Partly sunny, with a high near 73. Chance of precipitation is 70%.

    High: 73 °F

    Showers
    Likely

Detailed Forecast

Today
Sunny, with a high near 76. Northwest wind around 5 mph.
Tonight
Clear, with a low around 56. Light and variable wind becoming south 5 to 10 mph after midnight.
Friday
Sunny, with a high near 78. South wind around 10 mph.
Friday Night
Partly cloudy, with a low around 60. South wind around 10 mph.
Saturday
Partly sunny, with a high near 78. South wind around 10 mph becoming west in the afternoon.
Saturday Night
Partly cloudy, with a low around 53. Northwest wind around 5 mph.
Sunday
Mostly sunny, with a high near 71. Calm wind becoming northwest around 5 mph in the morning.
Sunday Night
A 40 percent chance of showers. Partly cloudy, with a low around 51. Calm wind becoming east around 5 mph after midnight.
Monday
Showers likely, with thunderstorms also possible after 1pm. Partly sunny, with a high near 73. Chance of precipitation is 70%.
Monday Night
Showers and possibly a thunderstorm. Low around 60. Breezy. Chance of precipitation is 80%.
Tuesday
A 20 percent chance of showers. Mostly cloudy, with a high near 72.
Tuesday Night
A 20 percent chance of showers. Mostly cloudy, with a low around 53.
Wednesday
A 20 percent chance of showers. Partly sunny, with a high near 68.
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ABOUT THIS FORECAST

 
Point Forecast:
Green Lake WI
 43.84°N 88.97°W (Elev. 801 ft)
11:26 am CDT Sep 10, 2026
11am CDT Sep 10, 2026-6pm CDT Sep 16, 2026
 
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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