National Oceanic and Atmospheric Administration National Weather Service United States Department of Commerce

Air Quality Concerns; Fire Weather; Extreme Heat; Flash Flooding

Wildfire smoke continues to result in poor air quality from the Upper Midwest into the Northeast. Dangerous heat and fire weather concerns for portions of the Four Corners region into the central Great Basin. Heavy rainfall and flash flooding possible for the Southeast through Monday. For Hawaii, gusty trade winds a drier weather could result in any fires that start to spread rapidly. Read More >

Hazardous Weather Conditions

Current conditions at

Wittman Regional Airport (KOSH)

Lat: 43.97°NLon: 88.56°WElev: 801ft.

A Few Clouds with Haze

76°F

24°C

Humidity 54%
Wind Speed E 3 mph
Barometer 30.14 in (1019.9 mb)
Dewpoint 58°F (14°C)
Visibility 4.00 mi
Heat Index78°F (26°C)
Last update 3 Aug 6:53 pm CDT
Extended Forecast for

Green Lake WI

  • Tonight

    Tonight: Areas of smoke. Partly cloudy, with a low around 58. Southeast wind around 5 mph becoming calm.

    Low: 58 °F

    Areas Smoke

  • Monday

    Monday: Areas of smoke. Mostly sunny, with a high near 82. North wind 5 to 10 mph becoming east in the afternoon.

    High: 82 °F

    Areas Smoke

  • Monday Night

    Monday Night: Areas of smoke before 8pm. Partly cloudy, with a low around 60. Southeast wind around 5 mph becoming calm in the evening.

    Low: 60 °F

    Areas Smoke
    then Partly
    Cloudy

  • Tuesday

    Tuesday: Sunny, with a high near 83. Calm wind becoming southeast around 5 mph in the morning.

    High: 83 °F

    Sunny

  • Tuesday Night

    Tuesday Night: Mostly clear, with a low around 61. Southeast wind around 5 mph becoming calm in the evening.

    Low: 61 °F

    Mostly Clear

  • Wednesday

    Wednesday: Mostly sunny, with a high near 85. Calm wind becoming south around 5 mph in the morning.

    High: 85 °F

    Mostly Sunny

  • Wednesday Night

    Wednesday Night: Partly cloudy, with a low around 65. South wind around 5 mph.

    Low: 65 °F

    Partly Cloudy

  • Thursday

    Thursday: A 20 percent chance of showers and thunderstorms after 1pm. Mostly sunny, with a high near 87. South wind 5 to 10 mph.

    High: 87 °F

    Mostly Sunny
    then Slight
    Chance
    T-storms

  • Thursday Night

    Thursday Night: A 20 percent chance of showers and thunderstorms before 1am. Partly cloudy, with a low around 68.

    Low: 68 °F

    Slight Chance
    T-storms

Detailed Forecast

Tonight
Areas of smoke. Partly cloudy, with a low around 58. Southeast wind around 5 mph becoming calm.
Monday
Areas of smoke. Mostly sunny, with a high near 82. North wind 5 to 10 mph becoming east in the afternoon.
Monday Night
Areas of smoke before 8pm. Partly cloudy, with a low around 60. Southeast wind around 5 mph becoming calm in the evening.
Tuesday
Sunny, with a high near 83. Calm wind becoming southeast around 5 mph in the morning.
Tuesday Night
Mostly clear, with a low around 61. Southeast wind around 5 mph becoming calm in the evening.
Wednesday
Mostly sunny, with a high near 85. Calm wind becoming south around 5 mph in the morning.
Wednesday Night
Partly cloudy, with a low around 65. South wind around 5 mph.
Thursday
A 20 percent chance of showers and thunderstorms after 1pm. Mostly sunny, with a high near 87. South wind 5 to 10 mph.
Thursday Night
A 20 percent chance of showers and thunderstorms before 1am. Partly cloudy, with a low around 68.
Friday
Mostly sunny, with a high near 89.
Friday Night
A 20 percent chance of showers and thunderstorms. Partly cloudy, with a low around 70.
Saturday
A 20 percent chance of showers and thunderstorms. Mostly sunny, with a high near 89.
Saturday Night
A 20 percent chance of showers and thunderstorms. Partly cloudy, with a low around 69.
Sunday
A 30 percent chance of showers and thunderstorms. Mostly sunny, with a high near 88.
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Forecast Area
Tiles ©ESRI

ABOUT THIS FORECAST

 
Point Forecast:
Green Lake WI
 43.84°N 88.97°W (Elev. 801 ft)
Last Update:
6:38 pm CDT Aug 3, 2025
Forecast Valid:
7pm CDT Aug 3, 2025-6pm CDT Aug 10, 2025
 
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