Tracking Storm System Across the Eastern U.S.

A storm system will continue to produce widespread showers and thunderstorms as it progresses eastward across the central U.S. into the Northeast through the weekend. There are risks of severe thunderstorms and excessive rainfall on Saturday from the Ozarks into the mid-Mississippi River Valley with potential for damaging winds, large hail, tornadoes, and flash flooding. Read More >

Hazardous Weather Conditions

Current conditions at

Wittman Regional Airport (KOSH)

Lat: 43.97°NLon: 88.56°WElev: 801ft.

Overcast

68°F

20°C

Humidity 70%
Wind Speed S 15 G 24 mph
Barometer 29.63 in (1002.6 mb)
Dewpoint 58°F (14°C)
Visibility 10.00 mi
Last update 17 Oct 10:53 pm CDT
Extended Forecast for

Green Lake WISimilar City Names

  • Tonight

    Tonight: A chance of showers and thunderstorms.  Mostly cloudy, with a low around 57. Southwest wind around 10 mph.  Chance of precipitation is 50%.

    Low: 57 °F

    Chance
    T-storms

  • Saturday

    Saturday: Partly sunny, then gradually becoming sunny, with a high near 71. Southwest wind 5 to 10 mph.

    High: 71 °F

    Becoming
    Sunny

  • Saturday Night

    Saturday Night: Showers likely, mainly after 1am.  Increasing clouds, with a low around 46. Northwest wind 5 to 15 mph.  Chance of precipitation is 70%. New precipitation amounts between a tenth and quarter of an inch possible.

    Low: 46 °F

    Slight Chance
    Showers then
    Showers
    Likely

  • Sunday

    Sunday: A 20 percent chance of showers before 1pm.  Mostly cloudy, then gradually becoming sunny, with a high near 58. Breezy, with a northwest wind 15 to 20 mph, with gusts as high as 30 mph.

    High: 58 °F

    Slight Chance
    Showers and
    Breezy

  • Sunday Night

    Sunday Night: Mostly clear, with a low around 38. West wind 5 to 10 mph becoming southwest after midnight.

    Low: 38 °F

    Mostly Clear

  • Monday

    Monday: A 20 percent chance of showers after 1pm.  Partly sunny, with a high near 63. South wind 10 to 15 mph.

    High: 63 °F

    Mostly Sunny
    then Slight
    Chance
    Showers

  • Monday Night

    Monday Night: A 40 percent chance of showers before 1am.  Mostly cloudy, with a low around 41. West wind 10 to 15 mph.

    Low: 41 °F

    Chance
    Showers

  • Tuesday

    Tuesday: A 20 percent chance of showers.  Mostly cloudy, with a high near 50. Breezy, with a west wind 15 to 20 mph, with gusts as high as 30 mph.

    High: 50 °F

    Slight Chance
    Showers and
    Breezy

  • Tuesday Night

    Tuesday Night: Partly cloudy, with a low around 36.

    Low: 36 °F

    Partly Cloudy

Detailed Forecast

Tonight
A chance of showers and thunderstorms. Mostly cloudy, with a low around 57. Southwest wind around 10 mph. Chance of precipitation is 50%.
Saturday
Partly sunny, then gradually becoming sunny, with a high near 71. Southwest wind 5 to 10 mph.
Saturday Night
Showers likely, mainly after 1am. Increasing clouds, with a low around 46. Northwest wind 5 to 15 mph. Chance of precipitation is 70%. New precipitation amounts between a tenth and quarter of an inch possible.
Sunday
A 20 percent chance of showers before 1pm. Mostly cloudy, then gradually becoming sunny, with a high near 58. Breezy, with a northwest wind 15 to 20 mph, with gusts as high as 30 mph.
Sunday Night
Mostly clear, with a low around 38. West wind 5 to 10 mph becoming southwest after midnight.
Monday
A 20 percent chance of showers after 1pm. Partly sunny, with a high near 63. South wind 10 to 15 mph.
Monday Night
A 40 percent chance of showers before 1am. Mostly cloudy, with a low around 41. West wind 10 to 15 mph.
Tuesday
A 20 percent chance of showers. Mostly cloudy, with a high near 50. Breezy, with a west wind 15 to 20 mph, with gusts as high as 30 mph.
Tuesday Night
Partly cloudy, with a low around 36.
Wednesday
Mostly sunny, with a high near 54.
Wednesday Night
A 20 percent chance of showers. Mostly cloudy, with a low around 38.
Thursday
A 20 percent chance of showers. Mostly sunny, with a high near 57.
Thursday Night
Partly cloudy, with a low around 37.
Friday
Sunny, with a high near 58.
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ABOUT THIS FORECAST

 
Point Forecast:
Green Lake WISimilar City Names
 43.84°N 88.97°W (Elev. 801 ft)
10:36 pm CDT Oct 17, 2025
11pm CDT Oct 17, 2025-6pm CDT Oct 24, 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