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.

Fair and Windy

67°F

19°C

Humidity 41%
Wind Speed SW 29 G 45 mph
Barometer 29.83 in (1010.4 mb)
Dewpoint 42°F (6°C)
Visibility 10.00 mi
Last update 8 Apr 4:53 pm CDT
Extended Forecast for

2 Miles SE Green Lake WI

  • Tonight

    Tonight: Showers and thunderstorms before 1am, then a chance of showers between 1am and 2am. Low around 39. Breezy, with a southwest wind 15 to 20 mph decreasing to 10 to 15 mph after midnight. Winds could gust as high as 35 mph. Chance of precipitation is 100%. New precipitation amounts between a quarter and half of an inch possible.

    Low: 39 °F

    Showers and
    Breezy

  • Thursday

    Thursday: Sunny, with a high near 53. West wind 10 to 15 mph.

    High: 53 °F

    Sunny

  • Thursday Night

    Thursday Night: Showers likely, mainly between 11pm and 3am. Mostly cloudy, with a low around 37. West wind around 5 mph becoming northeast after midnight. Chance of precipitation is 70%. New precipitation amounts between a tenth and quarter of an inch possible.

    Low: 37 °F

    Showers
    Likely

  • Friday

    Friday: A 10 percent chance of showers before 7am. Mostly sunny, with a high near 53. Northwest wind 5 to 10 mph.

    High: 53 °F

    Slight Chance
    Showers then
    Sunny

  • Friday Night

    Friday Night: Mostly clear, with a low around 30. North wind around 5 mph becoming calm in the evening.

    Low: 30 °F

    Mostly Clear

  • Saturday

    Saturday: Mostly sunny, with a high near 57. Light southeast wind increasing to 5 to 10 mph in the morning.

    High: 57 °F

    Mostly Sunny

  • Saturday Night

    Saturday Night: A chance of showers and thunderstorms, then showers likely and possibly a thunderstorm after 1am. Mostly cloudy, with a low around 44. Southeast wind 10 to 15 mph. Chance of precipitation is 70%. New rainfall amounts between a quarter and half of an inch possible.

    Low: 44 °F

    Chance
    T-storms then
    Showers
    Likely

  • Sunday

    Sunday: Showers likely and possibly a thunderstorm. Mostly cloudy, with a high near 71. Breezy, with a south wind 15 to 20 mph, with gusts as high as 30 mph. Chance of precipitation is 70%. New rainfall amounts between a tenth and quarter of an inch, except higher amounts possible in thunderstorms.

    High: 71 °F

    Showers
    Likely and
    Breezy

  • Sunday Night

    Sunday Night: Showers likely, mainly before 1am. Mostly cloudy, with a low around 61. Breezy. Chance of precipitation is 60%.

    Low: 61 °F

    Showers
    Likely and
    Breezy

Detailed Forecast

Tonight
Showers and thunderstorms before 1am, then a chance of showers between 1am and 2am. Low around 39. Breezy, with a southwest wind 15 to 20 mph decreasing to 10 to 15 mph after midnight. Winds could gust as high as 35 mph. Chance of precipitation is 100%. New precipitation amounts between a quarter and half of an inch possible.
Thursday
Sunny, with a high near 53. West wind 10 to 15 mph.
Thursday Night
Showers likely, mainly between 11pm and 3am. Mostly cloudy, with a low around 37. West wind around 5 mph becoming northeast after midnight. Chance of precipitation is 70%. New precipitation amounts between a tenth and quarter of an inch possible.
Friday
A 10 percent chance of showers before 7am. Mostly sunny, with a high near 53. Northwest wind 5 to 10 mph.
Friday Night
Mostly clear, with a low around 30. North wind around 5 mph becoming calm in the evening.
Saturday
Mostly sunny, with a high near 57. Light southeast wind increasing to 5 to 10 mph in the morning.
Saturday Night
A chance of showers and thunderstorms, then showers likely and possibly a thunderstorm after 1am. Mostly cloudy, with a low around 44. Southeast wind 10 to 15 mph. Chance of precipitation is 70%. New rainfall amounts between a quarter and half of an inch possible.
Sunday
Showers likely and possibly a thunderstorm. Mostly cloudy, with a high near 71. Breezy, with a south wind 15 to 20 mph, with gusts as high as 30 mph. Chance of precipitation is 70%. New rainfall amounts between a tenth and quarter of an inch, except higher amounts possible in thunderstorms.
Sunday Night
Showers likely, mainly before 1am. Mostly cloudy, with a low around 61. Breezy. Chance of precipitation is 60%.
Monday
A slight chance of showers, then a chance of showers and thunderstorms after 1pm. Mostly cloudy, with a high near 76. Chance of precipitation is 50%.
Monday Night
Showers likely and possibly a thunderstorm. Mostly cloudy, with a low around 50. Chance of precipitation is 70%.
Tuesday
Showers likely and possibly a thunderstorm. Mostly cloudy, with a high near 61. Chance of precipitation is 60%.
Tuesday Night
Rain and snow showers likely. Mostly cloudy, with a low around 32. Chance of precipitation is 60%.
Wednesday
A chance of rain and snow showers. Mostly cloudy, with a high near 44. Chance of precipitation is 40%.
Basemap Options
Click map to change the forecast location
Loading map...
Forecast Area
Tiles ©ESRI

ABOUT THIS FORECAST

 
Point Forecast:
2 Miles SE Green Lake WI
 43.81°N 88.94°W (Elev. 850 ft)
Last Update:
5:32 pm CDT Apr 8, 2026
Forecast Valid:
5pm CDT Apr 8, 2026-6pm CDT Apr 15, 2026
 
Forecast Discussion
 
Get as KML Get as XML

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