Current conditions at

Wittman Regional Airport (KOSH)

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

Fair

73°F

23°C

Humidity 40%
Wind Speed W 9 mph
Barometer 29.60 in (1001.2 mb)
Dewpoint 47°F (8°C)
Visibility 10.00 mi
Last update 18 Oct 1:53 pm CDT
Detailed forecast for

Winnebago County

This Afternoon
Mostly sunny. Nearly steady temperature in the lower 70s. West wind 5 to 10 mph.
Tonight
Cooler. Cloudy. A slight chance of showers in the evening, then showers after midnight. Lows in the upper 40s. Northwest wind 5 to 10 mph shifting to the north 10 to 20 mph with gusts to around 35 mph after midnight. Chance of rain 80 percent.
Sunday
Blustery. Cooler. Cloudy with showers likely in the morning, then partly cloudy in the afternoon. Highs in the upper 50s. Northwest wind 15 to 25 mph with gusts to around 40 mph. Chance of rain 70 percent.
Sunday Night
Colder. Clear. Lows in the upper 30s. West wind 10 to 15 mph.
Monday
Mostly sunny. Highs in the lower 60s. South wind 10 to 15 mph.
Monday Night
Showers likely. Lows in the middle 40s. Chance of rain 70 percent.
Tuesday And Tuesday Night
Blustery. Cooler. Mostly cloudy with a 40 percent chance of showers. Highs around 50. Lows around 40.
Wednesday
Mostly cloudy. Highs in the upper 40s.
Wednesday Night Through Friday
Mostly clear. Lows in the middle 30s. Highs in the lower 50s.



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134 PM CDT Sat Oct 18 2025
 
 

Additional Resources

Radar & Satellite Image

Link to Local Radar Data Link to Satellite Data

Hourly Weather Forecast

National Digital Forecast Database