Current conditions at

Wittman Regional Airport (KOSH)

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

Fair with Haze

65°F

18°C

Humidity 68%
Wind Speed S 8 mph
Barometer 29.97 in (1013.6 mb)
Dewpoint 54°F (12°C)
Visibility 6.00 mi
Last update 20 Jul 12:53 am CDT
Detailed forecast for

Winnebago County

Rest Of The Night
Partly cloudy. Patchy smoke. Lows in the middle 60s. South wind 5 to 10 mph.
Monday
Breezy. Humid. Patchy smoke in the morning. Mostly cloudy with a chance of showers and thunderstorms. Highs in the middle 80s. Southwest wind 10 to 15 mph increasing to 15 to 25 mph in the afternoon. Chance of rain 40 percent.
Monday Night
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
Cooler. Clear. Lows in the middle 50s. North wind 10 to 15 mph.
Wednesday And Wednesday Night
Clear. Highs in the middle 70s. 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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122 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