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Hazardous Weather Conditions

Current conditions at

Wittman Regional Airport (KOSH)

Lat: 43.97°NLon: 88.56°WElev: 801ft.

Overcast

19°F

-7°C

Humidity 74%
Wind Speed W 10 mph
Barometer 29.85 in (1012.7 mb)
Dewpoint 12°F (-11°C)
Visibility 10.00 mi
Wind Chill8°F (-13°C)
Last update 17 Jan 11:53 am CST
Extended Forecast for

Winnebago WI

  • This Afternoon

    This Afternoon: Scattered snow showers. Cloudy, with a high near 25. West wind 11 to 13 mph, with gusts as high as 21 mph. Chance of precipitation is 50%. Total daytime snow accumulation of less than one inch possible.

    High: 25 °F

    Scattered
    Snow Showers

  • Tonight

    Tonight: A chance of flurries before 9pm. Cloudy, with a low around 6. West northwest wind 9 to 13 mph, with gusts as high as 21 mph.

    Low: 6 °F

    Chance
    Flurries

  • Sunday

    Sunday: A chance of flurries before noon, then snow after noon. High near 15. Southwest wind 9 to 11 mph, with gusts as high as 20 mph. Chance of precipitation is 80%. New snow accumulation of less than one inch possible.

    High: 15 °F

    Cloudy then
    Snow

  • Sunday Night

    Sunday Night: A chance of snow before midnight, then a chance of flurries after midnight. Patchy blowing snow after 1am. Mostly cloudy, with a low around -1. Wind chill values between -10 and -20. Blustery, with a west northwest wind 9 to 14 mph increasing to 17 to 22 mph after midnight. Winds could gust as high as 38 mph. Chance of precipitation is 30%.

    Low: -1 °F

    Chance Snow
    and Patchy
    Blowing Snow

  • M.L.King Day

    M.L.King Day: Patchy blowing snow before 4pm. Mostly sunny and cold, with a high near 4. West northwest wind 16 to 21 mph, with gusts as high as 36 mph.

    High: 4 °F

    Patchy
    Blowing Snow

  • Monday Night

    Monday Night: Partly cloudy, with a low around -3.

    Low: -3 °F

    Partly Cloudy

  • Tuesday

    Tuesday: Mostly sunny, with a high near 14.

    High: 14 °F

    Mostly Sunny

  • Tuesday Night

    Tuesday Night: A 50 percent chance of snow. Mostly cloudy, with a low around 9.

    Low: 9 °F

    Chance Snow

  • Wednesday

    Wednesday: A slight chance of snow before noon, then a chance of flurries after noon. Partly sunny, with a high near 19. Chance of precipitation is 20%.

    High: 19 °F

    Slight Chance
    Snow then
    Partly Sunny

Detailed Forecast

This Afternoon
Scattered snow showers. Cloudy, with a high near 25. West wind 11 to 13 mph, with gusts as high as 21 mph. Chance of precipitation is 50%. Total daytime snow accumulation of less than one inch possible.
Tonight
A chance of flurries before 9pm. Cloudy, with a low around 6. West northwest wind 9 to 13 mph, with gusts as high as 21 mph.
Sunday
A chance of flurries before noon, then snow after noon. High near 15. Southwest wind 9 to 11 mph, with gusts as high as 20 mph. Chance of precipitation is 80%. New snow accumulation of less than one inch possible.
Sunday Night
A chance of snow before midnight, then a chance of flurries after midnight. Patchy blowing snow after 1am. Mostly cloudy, with a low around -1. Wind chill values between -10 and -20. Blustery, with a west northwest wind 9 to 14 mph increasing to 17 to 22 mph after midnight. Winds could gust as high as 38 mph. Chance of precipitation is 30%.
M.L.King Day
Patchy blowing snow before 4pm. Mostly sunny and cold, with a high near 4. West northwest wind 16 to 21 mph, with gusts as high as 36 mph.
Monday Night
Partly cloudy, with a low around -3.
Tuesday
Mostly sunny, with a high near 14.
Tuesday Night
A 50 percent chance of snow. Mostly cloudy, with a low around 9.
Wednesday
A slight chance of snow before noon, then a chance of flurries after noon. Partly sunny, with a high near 19. Chance of precipitation is 20%.
Wednesday Night
Mostly cloudy, with a low around 3.
Thursday
Mostly sunny, with a high near 11.
Thursday Night
A chance of flurries. Mostly cloudy, with a low around 0.
Friday
A 20 percent chance of flurries with a slight chance of snow. Partly sunny, with a high near 13.
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Forecast Area
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ABOUT THIS FORECAST

 
Point Forecast:
Winnebago WI
 44.08°N 88.53°W (Elev. 787 ft)
Last Update:
11:06 am CST Jan 17, 2026
Forecast Valid:
12pm CST Jan 17, 2026-6pm CST Jan 23, 2026
 
Forecast Discussion
 
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Additional Resources

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Chance of Precipitation