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

Hazardous Weather Conditions

Current conditions at

Wittman Regional Airport (KOSH)

Lat: 43.97°NLon: 88.56°WElev: 801ft.

A Few Clouds

71°F

22°C

Humidity 73%
Wind Speed S 18 G 28 mph
Barometer 29.72 in (1006.1 mb)
Dewpoint 62°F (17°C)
Visibility 10.00 mi
Last update 12 Apr 1:53 pm CDT
Extended Forecast for

2 Miles SSE Green Lake WI

  • This Afternoon

    This Afternoon: A 40 percent chance of showers and thunderstorms. Cloudy, with a high near 72. Windy, with a southwest wind around 25 mph, with gusts as high as 35 mph.

    High: 72 °F

    Chance
    T-storms and
    Windy

  • Tonight

    Tonight: Showers and thunderstorms likely before 10pm, then a slight chance of showers between 10pm and 11pm. Cloudy, with a low around 57. Windy, with a southwest wind 15 to 25 mph, with gusts as high as 35 mph. Chance of precipitation is 70%. New precipitation amounts of less than a tenth of an inch, except higher amounts possible in thunderstorms.

    Low: 57 °F

    Showers
    Likely and
    Windy then
    Mostly Cloudy
    and Breezy

  • Monday

    Monday: A chance of showers, with thunderstorms also possible after 4pm. Partly sunny, with a high near 75. Southwest wind around 10 mph. Chance of precipitation is 30%.

    High: 75 °F

    Mostly Cloudy
    then Chance
    T-storms

  • Monday Night

    Monday Night: Showers and possibly a thunderstorm before midnight, then a chance of showers and thunderstorms between midnight and 4am, then a chance of showers after 4am. Low around 57. Southwest wind 10 to 15 mph. Chance of precipitation is 80%. New rainfall amounts between a tenth and quarter of an inch, except higher amounts possible in thunderstorms.

    Low: 57 °F

    Showers then
    Chance
    T-storms

  • Tuesday

    Tuesday: Showers likely and possibly a thunderstorm, mainly after 4pm. Mostly sunny, with a high near 76. Southwest wind around 10 mph. Chance of precipitation is 60%. New rainfall amounts between a tenth and quarter of an inch, except higher amounts possible in thunderstorms.

    High: 76 °F

    Mostly Sunny
    then Showers
    Likely

  • Tuesday Night

    Tuesday Night: Showers likely and possibly a thunderstorm. Mostly cloudy, with a low around 51. Southwest wind around 10 mph becoming northeast after midnight. Chance of precipitation is 70%. New precipitation amounts between a tenth and quarter of an inch, except higher amounts possible in thunderstorms.

    Low: 51 °F

    Showers
    Likely

  • Wednesday

    Wednesday: A chance of showers, then showers likely and possibly a thunderstorm after 1pm. Mostly cloudy, with a high near 66. East wind around 10 mph. Chance of precipitation is 70%. New rainfall amounts between a tenth and quarter of an inch, except higher amounts possible in thunderstorms.

    High: 66 °F

    Chance
    Showers then
    Showers
    Likely

  • Wednesday Night

    Wednesday Night: Showers likely and possibly a thunderstorm before 1am, then a chance of showers. Mostly cloudy, with a low around 51. Southeast wind around 10 mph becoming south after midnight. Chance of precipitation is 70%. New rainfall amounts between a quarter and half of an inch possible.

    Low: 51 °F

    Showers
    Likely

  • Thursday

    Thursday: A 30 percent chance of showers and thunderstorms, mainly before 1pm. Partly sunny, with a high near 72.

    High: 72 °F

    Chance
    Showers

Detailed Forecast

This Afternoon
A 40 percent chance of showers and thunderstorms. Cloudy, with a high near 72. Windy, with a southwest wind around 25 mph, with gusts as high as 35 mph.
Tonight
Showers and thunderstorms likely before 10pm, then a slight chance of showers between 10pm and 11pm. Cloudy, with a low around 57. Windy, with a southwest wind 15 to 25 mph, with gusts as high as 35 mph. Chance of precipitation is 70%. New precipitation amounts of less than a tenth of an inch, except higher amounts possible in thunderstorms.
Monday
A chance of showers, with thunderstorms also possible after 4pm. Partly sunny, with a high near 75. Southwest wind around 10 mph. Chance of precipitation is 30%.
Monday Night
Showers and possibly a thunderstorm before midnight, then a chance of showers and thunderstorms between midnight and 4am, then a chance of showers after 4am. Low around 57. Southwest wind 10 to 15 mph. Chance of precipitation is 80%. New rainfall amounts between a tenth and quarter of an inch, except higher amounts possible in thunderstorms.
Tuesday
Showers likely and possibly a thunderstorm, mainly after 4pm. Mostly sunny, with a high near 76. Southwest wind around 10 mph. Chance of precipitation is 60%. New rainfall amounts between a tenth and quarter of an inch, except higher amounts possible in thunderstorms.
Tuesday Night
Showers likely and possibly a thunderstorm. Mostly cloudy, with a low around 51. Southwest wind around 10 mph becoming northeast after midnight. Chance of precipitation is 70%. New precipitation amounts between a tenth and quarter of an inch, except higher amounts possible in thunderstorms.
Wednesday
A chance of showers, then showers likely and possibly a thunderstorm after 1pm. Mostly cloudy, with a high near 66. East wind around 10 mph. Chance of precipitation is 70%. New rainfall amounts between a tenth and quarter of an inch, except higher amounts possible in thunderstorms.
Wednesday Night
Showers likely and possibly a thunderstorm before 1am, then a chance of showers. Mostly cloudy, with a low around 51. Southeast wind around 10 mph becoming south after midnight. Chance of precipitation is 70%. New rainfall amounts between a quarter and half of an inch possible.
Thursday
A 30 percent chance of showers and thunderstorms, mainly before 1pm. Partly sunny, with a high near 72.
Thursday Night
Mostly clear, with a low around 51.
Friday
A 40 percent chance of showers. Partly sunny, with a high near 77.
Friday Night
Showers and possibly a thunderstorm. Low around 47. Chance of precipitation is 80%.
Saturday
A 50 percent chance of showers. Mostly cloudy, with a high near 58.
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Forecast Area
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ABOUT THIS FORECAST

 
Point Forecast:
2 Miles SSE Green Lake WI
 43.81°N 88.94°W (Elev. 850 ft)
Last Update:
2:37 pm CDT Apr 12, 2026
Forecast Valid:
2pm CDT Apr 12, 2026-6pm CDT Apr 18, 2026
 
Forecast Discussion
 
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Additional Resources

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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