Hazardous Weather Conditions

Current conditions at

Wittman Regional Airport (KOSH)

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

Light Rain

71°F

22°C

Humidity 81%
Wind Speed E 13 mph
Barometer 29.96 in (1013.5 mb)
Dewpoint 65°F (18°C)
Visibility 10.00 mi
Last update 8 Jun 9:53 pm CDT
Detailed forecast for

Winnebago County

Tonight
Showers and scattered thunderstorms. Patchy fog after midnight. Lows in the middle 60s. Southeast wind 5 to 10 mph. Chance of rain 90 percent.
Tuesday
Humid. Patchy fog in the morning. Mostly cloudy with a chance of showers and thunderstorms in the morning, then partly cloudy in the afternoon. Highs in the lower 80s. North wind 5 to 10 mph. Chance of rain 50 percent.
Tuesday Night
Partly cloudy. A chance of showers and thunderstorms after midnight. Lows in the middle 60s. Light and variable wind becoming southeast 5 to 10 mph after midnight. Chance of rain 50 percent.
Wednesday
Breezy. Very warm and humid. Mostly cloudy with a chance of showers in the morning, then mostly sunny with showers likely and a chance of thunderstorms in the afternoon. Some thunderstorms may be severe in the afternoon. Highs in the upper 80s. South wind 10 to 15 mph increasing to 15 to 25 mph in the afternoon. Chance of rain 60 percent. Heat indices to 100.
Wednesday Night
Breezy. Muggy. Mostly cloudy with showers and a chance of thunderstorms in the evening, then mostly clear after midnight. Lows in the middle 60s. Southwest wind 15 to 25 mph decreasing to 10 to 15 mph after midnight. Chance of rain 80 percent.
Thursday
Showers likely. Thunderstorms also possible. Highs in the middle 80s. Chance of rain 70 percent.
Thursday Night
Partly cloudy with a 50 percent chance of showers and thunderstorms. Lows in the upper 50s.
Friday And Friday Night
Clear. Highs in the upper 70s. Lows around 60.
Saturday Through Sunday Night
Mostly clear. Highs in the upper 70s. Lows in the middle 50s.
Monday
Partly cloudy. Highs in the middle 70s.



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802 PM CDT Mon Jun 8 2026
 
 

Additional Resources

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Hourly Weather Forecast

National Digital Forecast Database