Hazardous Weather Conditions

Current conditions at

Wittman Regional Airport (KOSH)

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

Fair

36°F

2°C

Humidity 73%
Wind Speed SW 3 mph
Barometer 29.89 in (1013.2 mb)
Dewpoint 28°F (-2°C)
Visibility 10.00 mi
Last update 15 Feb 8:53 pm CST
Detailed forecast for

Calumet County

Tonight
Mostly clear in the evening then becoming mostly cloudy. Lows around 30. South wind 5 to 10 mph.
Washingtons Birthday
Partly cloudy in the morning then clearing. Highs in the lower 50s. Southwest wind 10 to 15 mph shifting to the west in the afternoon.
Monday Night
Partly cloudy in the evening then becoming mostly cloudy. Lows in the lower 30s. Light and variable wind becoming east 5 to 10 mph after midnight.
Tuesday
Colder. Mostly cloudy. Highs in the lower 40s. East wind 10 to 20 mph.
Tuesday Night
Blustery. Light rain. Nearly steady temperature in the upper 30s. Southeast wind 15 to 25 mph. Chance of rain 90 percent.
Wednesday
Light rain likely. Highs in the lower 50s. Chance of rain 60 percent.
Wednesday Night
Partly cloudy with a chance of light rain. Lows in the upper 20s. Chance of rain 30 percent.
Thursday
Partly cloudy. Highs in the lower 40s.
Thursday Night
Light rain and snow likely. Lows in the upper 20s. Chance of precipitation 60 percent.
Friday
Mostly cloudy with a chance of light snow. Highs in the middle 30s. Chance of snow 40 percent.
Friday Night
Mostly cloudy with a 30 percent chance of light snow. Lows around 20.
Saturday
Partly sunny. Highs in the lower 30s.
Saturday Night
Mostly cloudy with a 30 percent chance of light snow. Lows in the middle teens.
Sunday
Partly sunny. Highs in the upper 20s.



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623 PM CST Sun Feb 15 2026
 
 

Additional Resources

Radar & Satellite Image

Link to Local Radar Data Link to Satellite Data

Hourly Weather Forecast

National Digital Forecast Database