Hazardous Weather Conditions

Current conditions at

Wittman Regional Airport (KOSH)

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

A Few Clouds

62°F

17°C

Humidity 96%
Wind Speed S 9 mph
Barometer 29.99 in (1014.9 mb)
Dewpoint 61°F (16°C)
Visibility 10.00 mi
Last update 21 Aug 10:53 am CDT
Detailed forecast for

Winnebago County

Today
Humid. Mostly cloudy. Showers likely and a chance of thunderstorms in the morning, then a chance of showers and thunderstorms in the afternoon. Highs around 80. Southwest wind 10 to 15 mph. Chance of rain 70 percent.
Tonight
Mostly cloudy with a chance of showers and thunderstorms in the evening, then mostly clear after midnight. Lows around 60. Southwest wind 5 to 10 mph shifting to the northwest after midnight. Chance of rain 50 percent.
Saturday
Mostly sunny in the morning, then partly cloudy with a slight chance of showers in the afternoon. Highs in the upper 70s. Northwest wind 10 to 15 mph. Chance of rain 20 percent.
Saturday Night
Clear. Lows in the middle 50s. North wind 5 to 10 mph.
Sunday
Sunny. Highs in the middle 70s. Northwest wind 5 to 10 mph.
Sunday Night Through Monday Night
Mostly clear. Lows in the middle 50s. Highs in the upper 70s.
Tuesday
Partly cloudy. Highs around 80.
Tuesday Night
Partly cloudy with a chance of showers. Lows in the lower 60s. Chance of rain 50 percent.
Wednesday
Partly cloudy. Highs in the lower 80s.
Wednesday Night And Thursday
Mostly clear. Lows in the lower 60s. Highs in the upper 70s.



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922 AM CDT Fri Aug 21 2026
 
 

Additional Resources

Radar & Satellite Image

Link to Local Radar Data Link to Satellite Data

Hourly Weather Forecast

National Digital Forecast Database