Hazardous Weather Conditions
Current conditions at
Wittman Regional Airport (KOSH)
Lat: 43.97°NLon: 88.56°WElev: 801ft.
Fair
61°F
16°C
| Humidity | 78% |
| Wind Speed | E 6 mph |
| Barometer | 29.85 in (1010.4 mb) |
| Dewpoint | 54°F (12°C) |
| Visibility | 10.00 mi |
| Last update | 16 Apr 4:53 pm CDT |
Extended Forecast for
Winnebago WI
Flood Watch April 17, 01:00pm until April 18, 07:00am
Tonight
Low: 47 °F
Mostly Clear
then Patchy
FogFriday
High: 73 °F
Areas Fog
then Chance
ShowersFriday Night

Low: 38 °F
Showers
Saturday

High: 47 °F
Chance
ShowersSaturday Night

Low: 32 °F
Mostly Clear
Sunday

High: 47 °F
Mostly Sunny
Sunday Night

Low: 30 °F
Mostly Clear
Monday

High: 55 °F
Sunny
Monday Night

Low: 43 °F
Mostly Cloudy
Detailed Forecast
Tonight
Patchy fog after midnight. Otherwise, partly cloudy, with a low around 47. Calm wind becoming south southeast around 6 mph after midnight.
Friday
A 30 percent chance of showers and thunderstorms after 5pm. Areas of fog before 9am. Otherwise, mostly sunny, with a high near 73. South southeast wind 8 to 16 mph, with gusts as high as 28 mph.
Friday Night
A chance of showers and thunderstorms before 7pm, then showers and possibly a thunderstorm between 7pm and 1am, then a chance of showers after 1am. Low around 38. South southeast wind 13 to 15 mph becoming west after midnight. Winds could gust as high as 25 mph. Chance of precipitation is 100%. New rainfall amounts between three quarters and one inch possible.
Saturday
A 30 percent chance of showers, mainly before 1pm. Mostly sunny, with a high near 47. West wind 16 to 18 mph, with gusts as high as 31 mph.
Saturday Night
Mostly clear, with a low around 32. West northwest wind 10 to 16 mph, with gusts as high as 28 mph.
Sunday
Mostly sunny, with a high near 47.
Sunday Night
Mostly clear, with a low around 30.
Monday
Sunny, with a high near 55.
Monday Night
Mostly cloudy, with a low around 43.
Tuesday
Mostly sunny, with a high near 67.
Tuesday Night
Mostly clear, with a low around 43.
Wednesday
Sunny, with a high near 64.
Wednesday Night
Mostly clear, with a low around 45.
Thursday
A 20 percent chance of showers. Mostly sunny, with a high near 65.
Additional Forecasts and Information
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ABOUT THIS FORECAST
Point Forecast:
Winnebago WI
44.06°N 88.53°W (Elev. 758 ft)
44.06°N 88.53°W (Elev. 758 ft)
3:58 pm CDT Apr 16, 2026
5pm CDT Apr 16, 2026-6pm CDT Apr 23, 2026



