Current conditions at

Wittman Regional Airport (KOSH)

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

Overcast

60°F

16°C

Humidity 65%
Wind Speed NW 12 mph
Barometer 29.99 in (1014.9 mb)
Dewpoint 48°F (9°C)
Visibility 10.00 mi
Last update 19 May 5:53 pm CDT
Detailed forecast for

Winnebago County

Tonight
Cooler. Mostly cloudy in the evening then becoming partly cloudy. Lows in the middle 40s. Northwest wind 10 to 15 mph.
Wednesday
Mostly sunny. Highs in the lower 60s. North wind 5 to 10 mph.
Wednesday Night
Partly cloudy. Lows in the lower 40s. East wind 5 to 10 mph.
Thursday
Partly sunny. Highs around 60. East wind 10 to 15 mph.
Thursday Night
Mostly cloudy. A chance of sprinkles after midnight. Lows in the middle 40s. East wind 5 to 10 mph.
Friday
Mostly cloudy with a 40 percent chance of showers. Highs in the lower 60s.
Friday Night
Showers likely. Lows in the upper 40s. Chance of rain 60 percent.
Saturday
Mostly cloudy with a 30 percent chance of showers. Highs in the middle 60s.
Saturday Night
Mostly cloudy. Lows in the upper 40s.
Sunday
Warmer. Partly cloudy. Highs in the middle 70s.
Sunday Night Through Monday Night
Mostly clear. Lows in the middle 50s. Highs around 80.
Tuesday
Partly cloudy. Highs in the upper 70s.



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554 PM CDT Tue May 19 2026
 
 

Additional Resources

Radar & Satellite Image

Link to Local Radar Data Link to Satellite Data

Hourly Weather Forecast

National Digital Forecast Database