Hazardous Weather Conditions

Current conditions at

Wittman Regional Airport (KOSH)

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

Fog/Mist

17°F

-8°C

Humidity 88%
Wind Speed W 9 G 20 mph
Barometer 29.66 in (1006.2 mb)
Dewpoint 14°F (-10°C)
Visibility 6.00 mi
Wind Chill6°F (-14°C)
Last update 17 Jan 3:53 am CST
Detailed forecast for

Calumet County

Early This Morning
Cloudy with a chance of light snow. Temperatures in the lower 20s. West wind 10 to 15 mph.
Today
Colder. Cloudy with a chance of snow showers. Highs in the middle 20s. West wind 10 to 15 mph. Chance of snow 50 percent.
Tonight
Mostly cloudy. A chance of snow showers in the evening. Lows 5 to 10 above zero. West wind 10 to 15 mph. Chance of snow 20 percent. Lowest wind chill readings to 10 below zero after midnight.
Sunday
Colder. Mostly cloudy. A chance of flurries in the morning, then light snow in the afternoon. Snow accumulation around 1 inch. Highs in the middle teens. Southwest wind 10 to 15 mph. Chance of snow 80 percent. Wind chills to 10 below zero.
Sunday Night
Windy. Mostly cloudy with a 50 percent chance of light snow. Lows around zero. West wind 10 to 15 mph increasing to northwest 20 to 30 mph with gusts to around 45 mph after midnight. Lowest wind chill readings to 25 below zero after midnight.
Martin Luther King Jr Day
Windy. Colder. Partly cloudy. A chance of flurries in the morning. Nearly steady temperature around 2. West wind 20 to 30 mph with gusts to around 40 mph. Wind chills to 25 below zero.
Monday Night And Tuesday
Mostly clear. Lows zero to 5 below. Highs in the middle teens.
Tuesday Night
Not as cold. Mostly cloudy with a 50 percent chance of light snow. Lows 5 to 10 above zero.
Wednesday
Mostly cloudy. A chance of flurries. Highs in the upper teens.
Wednesday Night
Partly cloudy. A chance of flurries. Lows zero to 5 above.
Thursday
Partly cloudy. Highs around 10 above zero.
Thursday Night
Partly cloudy. A chance of flurries. Lows around zero.
Friday
Partly cloudy. Highs 10 to 15.



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312 AM CST Sat Jan 17 2026
 
 

Additional Resources

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Hourly Weather Forecast

National Digital Forecast Database