Current conditions at

Wittman Regional Airport (KOSH)

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

Mostly Cloudy

46°F

8°C

Humidity 56%
Wind Speed E 8 mph
Barometer 30.39 in (1029.4 mb)
Dewpoint 31°F (-1°C)
Visibility 10.00 mi
Wind Chill42°F (6°C)
Last update 21 May 9:53 am CDT
Detailed forecast for

Winnebago County

Today
Mostly cloudy. Highs in the upper 50s. East wind 10 to 15 mph.
Tonight
Partly cloudy in the evening then becoming mostly cloudy. Lows in the middle 40s. East wind 10 to 15 mph.
Friday
Partly cloudy. Highs in the middle 60s. East wind 10 to 15 mph.
Friday Night
Cloudy. Showers likely after midnight. Lows in the upper 40s. East wind 10 to 15 mph. Chance of rain 70 percent.
Saturday
Mostly cloudy. A 40 percent chance of showers in the morning. Highs in the middle 60s. Northeast wind 10 to 15 mph.
Saturday Night And Sunday
Mostly cloudy. Lows in the lower 50s. Highs in the middle 70s.
Sunday Night Through Tuesday Night
Mostly clear. Lows in the middle 50s. Highs in the lower 80s.
Wednesday
Partly cloudy. Highs around 80.



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602 AM CDT Thu May 21 2026
 
 

Additional Resources

Radar & Satellite Image

Link to Local Radar Data Link to Satellite Data

Hourly Weather Forecast

National Digital Forecast Database