Areas of Dangerous Heat and Heavy Rainfall Today
Hot temperatures and high humidity are forecast to continue across the mid-Mississippi Valley today. Heat Advisories remain in effect. Heavy to excessive rainfall today could bring areas of flooding to parts of the northern High Plains and Midwest into the Ohio Valley. Flood Watches remain in effect. Read More >
Hazardous Weather Conditions
Current conditions at
Wittman Regional Airport (KOSH)
Lat: 43.97°NLon: 88.56°WElev: 801ft.
Overcast
61°F
16°C
| Humidity | 70% |
| Wind Speed | NE 20 G 26 mph |
| Barometer | 30.15 in (1020.6 mb) |
| Dewpoint | 51°F (11°C) |
| Visibility | 10.00 mi |
| Last update | 20 Sep 5:53 pm CDT |
Extended Forecast for
Green Lake WI
Tonight
Low: 51 °F
Mostly Cloudy
Monday
High: 62 °F
Mostly Cloudy
Monday Night
Low: 47 °F
Mostly Cloudy
Tuesday
High: 61 °F
Decreasing
CloudsTuesday Night
Low: 45 °F
Mostly Clear
Wednesday
High: 63 °F
Sunny
Wednesday Night
Low: 46 °F
Mostly Clear
Thursday
High: 65 °F
Mostly Sunny
Thursday Night
Low: 47 °F
Mostly Cloudy
Detailed Forecast
Tonight
Mostly cloudy, with a low around 51. Northeast wind 10 to 15 mph.
Monday
Mostly cloudy, with a high near 62. Northeast wind 10 to 15 mph.
Monday Night
Mostly cloudy, with a low around 47. Northeast wind around 10 mph.
Tuesday
Mostly cloudy, then gradually becoming sunny, with a high near 61. East wind 10 to 15 mph.
Tuesday Night
Mostly clear, with a low around 45. Northeast wind around 5 mph.
Wednesday
Sunny, with a high near 63. East wind 5 to 10 mph.
Wednesday Night
Mostly clear, with a low around 46. East wind around 5 mph becoming calm in the evening.
Thursday
Mostly sunny, with a high near 65. Calm wind becoming east around 5 mph in the morning.
Thursday Night
Mostly cloudy, with a low around 47.
Friday
Partly sunny, with a high near 67.
Friday Night
Mostly cloudy, with a low around 48.
Saturday
Partly sunny, with a high near 69.
Saturday Night
Mostly cloudy, with a low around 50.
Sunday
Partly sunny, with a high near 70.
Additional Forecasts and Information
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Forecast AreaABOUT THIS FORECAST
Point Forecast:
Green Lake WI
43.83°N 88.94°W (Elev. 869 ft)
43.83°N 88.94°W (Elev. 869 ft)
5:51 pm CDT Sep 20, 2026
6pm CDT Sep 20, 2026-6pm CDT Sep 27, 2026
Additional Resources
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Hourly Weather Forecast
