Severe Thunderstorms in the Central U.S.; Heavy to Excessive Rainfall in the Ohio Valley and Central Appalachians

Severe thunderstorms producing damaging winds, hail, and a few tornadoes are expected through Tuesday across parts of the central Plains and lower to mid Missouri Valley. Heavy to excessive rainfall could produce flooding across portions of the Ohio Valley into the Central Appalachians through Tuesday. Read More >

Hazardous Weather Conditions

Current conditions at

Wittman Regional Airport (KOSH)

Lat: 43.97°NLon: 88.56°WElev: 801ft.

Fair

73°F

23°C

Humidity 74%
Wind Speed W 9 G 16 mph
Barometer 29.75 in (1005.9 mb)
Dewpoint 64°F (18°C)
Visibility 10.00 mi
Last update 17 Jun 7:53 am CDT
Extended Forecast for

Green Lake WI

  • Today

    Today: Mostly sunny, with a high near 84. West wind around 10 mph.

    High: 84 °F

    Mostly Sunny

  • Tonight

    Tonight: A 50 percent chance of showers and thunderstorms, mainly after 1am.  Mostly cloudy, with a low around 65. Northwest wind around 5 mph becoming east after midnight.

    Low: 65 °F

    Slight Chance
    T-storms then
    Chance
    T-storms

  • Wednesday

    Wednesday: Showers and possibly a thunderstorm.  High near 73. Northeast wind 5 to 10 mph.  Chance of precipitation is 80%. New rainfall amounts between a half and three quarters of an inch possible.

    High: 73 °F

    Showers

  • Wednesday Night

    Wednesday Night: Showers likely and possibly a thunderstorm before 7pm, then a chance of showers and thunderstorms between 7pm and 1am.  Partly cloudy, with a low around 60. North wind 5 to 10 mph becoming northwest after midnight.  Chance of precipitation is 60%. New rainfall amounts between a half and three quarters of an inch possible.

    Low: 60 °F

    Showers
    Likely then
    Chance
    Showers

  • Juneteenth

    Juneteenth: A 30 percent chance of showers and thunderstorms after 1pm.  Sunny, with a high near 82. West wind 5 to 10 mph.

    High: 82 °F

    Sunny then
    Chance
    T-storms

  • Thursday Night

    Thursday Night: A chance of showers and thunderstorms.  Partly cloudy, with a low around 60. Southwest wind around 5 mph.  Chance of precipitation is 40%.

    Low: 60 °F

    Chance
    T-storms

  • Friday

    Friday: A chance of showers, with thunderstorms also possible after 7am.  Partly sunny, with a high near 82. South wind 5 to 10 mph.  Chance of precipitation is 30%.

    High: 82 °F

    Chance
    Showers

  • Friday Night

    Friday Night: A 50 percent chance of showers and thunderstorms.  Mostly cloudy, with a low around 67. South wind 10 to 15 mph.

    Low: 67 °F

    Chance
    T-storms

  • Saturday

    Saturday: A 20 percent chance of showers and thunderstorms before 1pm.  Mostly sunny, with a high near 89.

    High: 89 °F

    Slight Chance
    T-storms

Detailed Forecast

Today
Mostly sunny, with a high near 84. West wind around 10 mph.
Tonight
A 50 percent chance of showers and thunderstorms, mainly after 1am. Mostly cloudy, with a low around 65. Northwest wind around 5 mph becoming east after midnight.
Wednesday
Showers and possibly a thunderstorm. High near 73. Northeast wind 5 to 10 mph. Chance of precipitation is 80%. New rainfall amounts between a half and three quarters of an inch possible.
Wednesday Night
Showers likely and possibly a thunderstorm before 7pm, then a chance of showers and thunderstorms between 7pm and 1am. Partly cloudy, with a low around 60. North wind 5 to 10 mph becoming northwest after midnight. Chance of precipitation is 60%. New rainfall amounts between a half and three quarters of an inch possible.
Juneteenth
A 30 percent chance of showers and thunderstorms after 1pm. Sunny, with a high near 82. West wind 5 to 10 mph.
Thursday Night
A chance of showers and thunderstorms. Partly cloudy, with a low around 60. Southwest wind around 5 mph. Chance of precipitation is 40%.
Friday
A chance of showers, with thunderstorms also possible after 7am. Partly sunny, with a high near 82. South wind 5 to 10 mph. Chance of precipitation is 30%.
Friday Night
A 50 percent chance of showers and thunderstorms. Mostly cloudy, with a low around 67. South wind 10 to 15 mph.
Saturday
A 20 percent chance of showers and thunderstorms before 1pm. Mostly sunny, with a high near 89.
Saturday Night
Mostly clear, with a low around 73.
Sunday
Sunny and hot, with a high near 90.
Sunday Night
Mostly clear, with a low around 73.
Monday
A 40 percent chance of showers and thunderstorms. Mostly sunny, with a high near 88.
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ABOUT THIS FORECAST

 
Point Forecast:
Green Lake WI
 43.84°N 88.97°W (Elev. 801 ft)
5:24 am CDT Jun 17, 2025
8am CDT Jun 17, 2025-6pm CDT Jun 23, 2025
 
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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