Severe Thunderstorms and Heavy Rain Across the Central US and Central Appalachians

Severe thunderstorms producing damaging winds, hail and possibly a few tornadoes are expected across parts of the central Plains and the Missouri Valley. Heavy rainfall and flash flooding is also expected in the area. Thunderstorms and heavy rain may also bring additional flooding impacts to the central Appalachians. High temperatures and critical fire weather conditions expected in the Southwest. Read More >

Hazardous Weather Conditions

Current conditions at

Wittman Regional Airport (KOSH)

Lat: 43.97°NLon: 88.56°WElev: 801ft.

A Few Clouds

83°F

28°C

Humidity 53%
Wind Speed W 13 mph
Barometer 29.77 in (1006.6 mb)
Dewpoint 64°F (18°C)
Visibility 10.00 mi
Heat Index84°F (29°C)
Last update 17 Jun 1:53 pm CDT
Extended Forecast for

Green Lake WI

  • This Afternoon

    This Afternoon: Mostly sunny, with a high near 85. West wind around 10 mph.

    High: 85 °F

    Mostly Sunny

  • Tonight

    Tonight: A 50 percent chance of showers and thunderstorms, mainly after midnight.  Mostly cloudy, with a low around 67. Northwest wind around 5 mph becoming calm  in the evening.

    Low: 67 °F

    Slight Chance
    T-storms then
    Chance
    T-storms

  • Wednesday

    Wednesday: Showers and possibly a thunderstorm, mainly before 4pm, then a chance of showers and thunderstorms after 4pm. Some of the storms could produce heavy rainfall.  High near 71. East wind 5 to 10 mph.  Chance of precipitation is 90%. New rainfall amounts between a half and three quarters of an inch possible.

    High: 71 °F

    Heavy Rain

  • Wednesday Night

    Wednesday Night: A chance of showers and thunderstorms before 10pm, then a chance of showers between 10pm and 1am.  Mostly cloudy, with a low around 59. North wind 5 to 10 mph becoming west after midnight.  Chance of precipitation is 40%.

    Low: 59 °F

    Chance
    T-storms then
    Chance
    Showers

  • Juneteenth

    Juneteenth: A 30 percent chance of showers and thunderstorms after 1pm.  Mostly sunny, with a high near 81. West wind 5 to 10 mph.

    High: 81 °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 81. South wind 10 to 15 mph.  Chance of precipitation is 30%.

    High: 81 °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, with gusts as high as 25 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

This Afternoon
Mostly sunny, with a high near 85. West wind around 10 mph.
Tonight
A 50 percent chance of showers and thunderstorms, mainly after midnight. Mostly cloudy, with a low around 67. Northwest wind around 5 mph becoming calm in the evening.
Wednesday
Showers and possibly a thunderstorm, mainly before 4pm, then a chance of showers and thunderstorms after 4pm. Some of the storms could produce heavy rainfall. High near 71. East wind 5 to 10 mph. Chance of precipitation is 90%. New rainfall amounts between a half and three quarters of an inch possible.
Wednesday Night
A chance of showers and thunderstorms before 10pm, then a chance of showers between 10pm and 1am. Mostly cloudy, with a low around 59. North wind 5 to 10 mph becoming west after midnight. Chance of precipitation is 40%.
Juneteenth
A 30 percent chance of showers and thunderstorms after 1pm. Mostly sunny, with a high near 81. 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 81. South wind 10 to 15 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, with gusts as high as 25 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, with a high near 89.
Sunday Night
Mostly clear, with a low around 73.
Monday
A 40 percent chance of showers and thunderstorms. Mostly sunny, with a high near 87.
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ABOUT THIS FORECAST

 
Point Forecast:
Green Lake WI
 43.83°N 88.94°W (Elev. 869 ft)
1:54 pm CDT Jun 17, 2025
2pm CDT Jun 17, 2025-6pm CDT Jun 23, 2025
 
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Additional Resources

Radar & Satellite Image

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Hourly Weather Forecast

National Digital Forecast Database