Current conditions at

Wittman Regional Airport (KOSH)

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

Fair

17°F

-8°C

Humidity 88%
Wind Speed S 7 mph
Barometer 30.41 in (1031.8 mb)
Dewpoint 14°F (-10°C)
Visibility 10.00 mi
Wind Chill7°F (-14°C)
Last update 2 Mar 3:53 am CST
Detailed forecast for

Calumet County

Early This Morning
Mostly clear. Temperatures 15 to 19. South wind 5 to 10 mph.
Today
Not as cold. Sunny. Highs around 40. South wind 10 to 15 mph.
Tonight
Partly cloudy in the evening then becoming mostly cloudy. Lows in the middle 20s. South wind 5 to 10 mph in the evening becoming light and variable.
Tuesday
Mostly cloudy. A chance of light rain...freezing rain and snow in the morning. Highs in the lower 40s. Light and variable wind. Chance of precipitation 30 percent.
Tuesday Night
Mostly clear. Lows in the middle 20s. Light and variable wind.
Wednesday
Mostly sunny. A chance of light rain in the afternoon. Highs in the middle 40s. East wind 5 to 10 mph. Chance of rain 30 percent.
Wednesday Night
Mostly cloudy with a 40 percent chance of light rain. Lows in the lower 30s.
Thursday
Mostly cloudy with a 50 percent chance of light rain. Highs in the lower 40s.
Thursday Night
Cloudy. Lows in the middle 30s.
Friday
Light rain. Highs in the lower 50s. Chance of rain 80 percent.
Friday Night
Light rain likely. Lows in the upper 30s. Chance of rain 70 percent.
Saturday
Mostly cloudy. Highs in the lower 50s.
Saturday Night
Partly cloudy. Lows in the lower 30s.
Sunday
Sunny. Highs in the middle 50s.



Basemap Options
Click map to change the forecast location
Loading map...
438 AM CST Mon Mar 2 2026
 
 

Additional Resources

Radar & Satellite Image

Link to Local Radar Data Link to Satellite Data

Hourly Weather Forecast

National Digital Forecast Database