Hazardous Weather Conditions

Current conditions at

Wittman Regional Airport (KOSH)

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

Overcast

70°F

21°C

Humidity 71%
Wind Speed S 8 mph
Barometer 29.97 in (1013.8 mb)
Dewpoint 60°F (16°C)
Visibility 10.00 mi
Last update 25 Aug 9:53 pm CDT
Detailed forecast for

Calumet County

Tonight
Mostly cloudy. Showers likely and a chance of thunderstorms after midnight. Nearly steady temperature in the upper 60s. South wind 10 to 15 mph. Chance of rain 60 percent.
Wednesday
Humid. Partly sunny. A slight chance of showers and thunderstorms in the morning, then a slight chance of showers in the afternoon. Highs around 80. West wind 10 to 15 mph. Chance of rain 20 percent.
Wednesday Night
Clear. Lows around 60. Northwest wind 5 to 10 mph.
Thursday
Mostly sunny. Highs in the upper 70s. North wind 5 to 10 mph.
Thursday Night
Mostly clear. Lows in the middle 50s. East wind 5 to 10 mph.
Friday And Friday Night
Mostly clear. Highs in the upper 70s. Lows around 60.
Saturday
Partly sunny. Highs around 80.
Saturday Night Through Sunday Night
Mostly cloudy with a chance of showers. Lows in the upper 60s. Highs in the lower 80s. Chance of rain 40 percent.
Monday Through Tuesday
Partly cloudy. Highs in the lower 80s. Lows in the lower 60s.



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953 PM CDT Tue Aug 25 2026
 
 

Additional Resources

Radar & Satellite Image

Link to Local Radar Data Link to Satellite Data

Hourly Weather Forecast

National Digital Forecast Database