Hazardous Weather Conditions

Current conditions at

Wittman Regional Airport (KOSH)

Lat: 43.97° N Lon: 88.56° W Elev: 801 ft.

Fair

59°F

15°C

Humidity 78%
Wind Speed SW 3 mph
Barometer 29.85 in (1010.0 mb)
Dewpoint 52°F (11°C)
Visibility 10.00 mi
Last update 20 Jun 12:53 am CDT
Detailed forecast for

Winnebago County

Tonight
Showers and a chance of thunderstorms in the evening, then partly cloudy with a chance of showers and thunderstorms after midnight. Lows in the middle 50s. Southwest wind 5 to 10 mph. Chance of rain 90 percent.
Saturday
Partly cloudy. Highs in the lower 70s. Northwest wind 10 to 15 mph.
Saturday Night
Mostly clear. Lows in the middle 50s. Northwest wind 5 to 10 mph in the evening becoming light and variable.
Sunday
Partly sunny. A 20 percent chance of showers in the afternoon. Highs in the lower 70s. Light and variable wind becoming east 5 to 10 mph in the afternoon.
Sunday Night
Mostly cloudy with a 30 percent chance of showers. Lows in the lower 50s. Northeast wind 10 to 15 mph.
Monday
Partly cloudy. Highs in the lower 70s.
Monday Night
Mostly clear. Lows in the lower 50s.
Tuesday
Partly cloudy. Highs in the lower 70s.
Tuesday Night
Showers likely and a chance of thunderstorms. Lows in the middle 50s. Chance of rain 70 percent.
Wednesday
Showers likely and a chance of thunderstorms. Highs in the lower 70s. Chance of rain 70 percent.
Wednesday Night
Mostly clear with a chance of showers. Lows in the middle 50s. Chance of rain 30 percent.
Thursday And Thursday Night
Mostly clear. Highs in the middle 70s. Lows in the middle 50s.
Friday
Partly cloudy. Highs in the middle 70s.



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923 PM CDT Fri Jun 19 2026
 
 

Additional Resources

Radar & Satellite Image

Link to Local Radar Data Link to Satellite Data

Hourly Weather Forecast

National Digital Forecast Database