Current conditions at

Wittman Regional Airport (KOSH)

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

Fair with Haze

63°F

17°C

Humidity 76%
Wind Speed S 12 G 20 mph
Barometer 29.90 in (1011.2 mb)
Dewpoint 55°F (13°C)
Visibility 5.00 mi
Last update 20 Jul 5:53 am CDT
Detailed forecast for

Winnebago County

Today
Breezy. Humid. Mostly cloudy. Patchy smoke in the morning. A slight chance of showers in the morning, then a chance of showers and thunderstorms in the afternoon. Highs in the middle 80s. Southwest wind 10 to 15 mph increasing to 15 to 25 mph in the afternoon. Chance of rain 50 percent.
Tonight
Muggy. Mostly cloudy with a chance of showers and thunderstorms in the evening, then clear after midnight. Lows in the upper 60s. West wind 10 to 20 mph with gusts to around 30 mph. Chance of rain 50 percent.
Tuesday
Breezy. Partly cloudy. Highs in the upper 70s. Northwest wind 15 to 25 mph.
Tuesday Night And Wednesday
Clear. Lows in the middle 50s. Highs in the middle 70s. Northwest wind 10 to 15 mph.
Wednesday Night
Clear. Lows in the upper 50s.
Thursday Through Friday Night
Mostly clear. Highs in the lower 80s. Lows in the lower 60s.
Saturday
Sunny. Highs in the middle 80s.
Saturday Night And Sunday
Mostly clear. Lows in the middle 60s. Highs in the upper 80s.



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548 AM CDT Mon Jul 20 2026
 
 

Additional Resources

Radar & Satellite Image

Link to Local Radar Data Link to Satellite Data

Hourly Weather Forecast

National Digital Forecast Database