Hazardous Weather Conditions
Current conditions at
Wittman Regional Airport (KOSH)
Lat: 43.97°NLon: 88.56°WElev: 801ft.
Fair
76°F
24°C
| Humidity | 58% |
| Wind Speed | S 20 G 35 mph |
| Barometer | 29.70 in (1005.1 mb) |
| Dewpoint | 60°F (16°C) |
| Visibility | 10.00 mi |
| Heat Index | 78°F (26°C) |
| Last update | 17 Apr 1:53 pm CDT |
Extended Forecast for
2 Miles SE Green Lake WI
Flood Watch until April 18, 07:00am
Tornado Watch until April 17, 08:00pm
NOW: Multiple hazards in effect

Click HERE for Details
This Afternoon

High: 76 °F
Severe
Thunderstorms
and WindyTonight
Low: 36 °F
Breezy.
Severe
Thunderstorms
then ShowersSaturday

High: 46 °F
Mostly Sunny
and BreezySaturday Night
Low: 30 °F
Partly Cloudy
and Breezy
then Mostly
ClearSunday
High: 46 °F
Slight Chance
Rain/Snow
then Slight
Chance
ShowersSunday Night

Low: 27 °F
Mostly Clear
Monday

High: 52 °F
Mostly Sunny
Monday Night

Low: 41 °F
Mostly Cloudy
Detailed Forecast
This Afternoon
A chance of showers and thunderstorms, then showers and possibly a thunderstorm after 4pm. Some of the storms could be severe. High near 76. Windy, with a south wind 20 to 25 mph, with gusts as high as 40 mph. Chance of precipitation is 80%. New rainfall amounts between a tenth and quarter of an inch, except higher amounts possible in thunderstorms.
Tonight
Showers and possibly a thunderstorm before 2am, then a slight chance of showers between 2am and 3am. Some of the storms could be severe. Low around 36. Breezy, with a south wind 15 to 20 mph becoming northwest after midnight. Winds could gust as high as 35 mph. Chance of precipitation is 90%. New rainfall amounts between a quarter and half of an inch possible.
Saturday
Mostly sunny, with a high near 46. Breezy, with a west wind around 20 mph, with gusts as high as 30 mph.
Saturday Night
Mostly cloudy, then gradually becoming clear, with a low around 30. Breezy, with a west wind 10 to 20 mph, with gusts as high as 25 mph.
Sunday
A slight chance of rain and snow showers before 10am, then a slight chance of rain showers. Mostly sunny, with a high near 46. Northwest wind 10 to 15 mph. Chance of precipitation is 20%.
Sunday Night
Mostly clear, with a low around 27. Northwest wind 5 to 10 mph becoming east after midnight.
Monday
Mostly sunny, with a high near 52. South wind 5 to 10 mph.
Monday Night
Mostly cloudy, with a low around 41. South wind 10 to 15 mph.
Tuesday
Mostly sunny, with a high near 68.
Tuesday Night
Mostly clear, with a low around 40.
Wednesday
Sunny, with a high near 66.
Wednesday Night
Partly cloudy, with a low around 48.
Thursday
A 20 percent chance of showers. Mostly sunny, with a high near 74.
Additional Forecasts and Information
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ABOUT THIS FORECAST
Point Forecast:
2 Miles SE Green Lake WI
43.81°N 88.94°W (Elev. 850 ft)
43.81°N 88.94°W (Elev. 850 ft)
1:56 pm CDT Apr 17, 2026
2pm CDT Apr 17, 2026-6pm CDT Apr 23, 2026



