National Oceanic and Atmospheric Administration National Weather Service United States Department of Commerce

Hazardous Weather Conditions

Current conditions at

Wittman Regional Airport (KOSH)

Lat: 43.97°NLon: 88.56°WElev: 801ft.

Overcast

33°F

1°C

Humidity 96%
Wind Speed S 3 mph
Barometer 29.96 in (1015.6 mb)
Dewpoint 32°F (0°C)
Visibility 7.00 mi
Last update 27 Dec 1:53 am CST
Extended Forecast for

Winnebago WI

  • Overnight

    Overnight: Patchy dense fog. Otherwise, cloudy, with a low around 33. South southeast wind 3 to 5 mph.

    Low: 33 °F

    Patchy Dense
    Fog

  • Saturday

    Saturday: Patchy fog before 9am. Otherwise, cloudy, with a high near 38. South southeast wind 6 to 10 mph.

    High: 38 °F

    Patchy Fog
    then Mostly
    Cloudy

  • Saturday Night

    Saturday Night: Rain likely, mainly after midnight. Cloudy, with a low around 35. Southeast wind 5 to 11 mph. Chance of precipitation is 60%. New precipitation amounts of less than a tenth of an inch possible.

    Low: 35 °F

    Rain Likely

  • Sunday

    Sunday: Rain, mainly after noon. High near 40. East wind 5 to 11 mph becoming north in the afternoon. Winds could gust as high as 18 mph. Chance of precipitation is 80%.

    High: 40 °F

    Chance Rain
    then Rain

  • Sunday Night

    Sunday Night: Snow likely, possibly mixed with rain, becoming all snow after midnight. Cloudy, with a low around 18. Windy, with a west northwest wind 13 to 18 mph increasing to 21 to 26 mph after midnight. Winds could gust as high as 39 mph. Chance of precipitation is 70%.

    Low: 18 °F

    Rain/Snow
    Likely then
    Snow Likely
    and Windy

  • Monday

    Monday: A 50 percent chance of snow before noon. Mostly cloudy, with a high near 24. Windy.

    High: 24 °F

    Chance Snow
    and Windy
    then Partly
    Sunny and
    Blustery

  • Monday Night

    Monday Night: Partly cloudy, with a low around 9. Blustery.

    Low: 9 °F

    Partly Cloudy
    and Blustery
    then Partly
    Cloudy

  • Tuesday

    Tuesday: A 30 percent chance of snow after noon. Partly sunny, with a high near 22.

    High: 22 °F

    Partly Sunny
    then Chance
    Snow

  • Tuesday Night

    Tuesday Night: Mostly cloudy, with a low around 11.

    Low: 11 °F

    Mostly Cloudy

Detailed Forecast

Overnight
Patchy dense fog. Otherwise, cloudy, with a low around 33. South southeast wind 3 to 5 mph.
Saturday
Patchy fog before 9am. Otherwise, cloudy, with a high near 38. South southeast wind 6 to 10 mph.
Saturday Night
Rain likely, mainly after midnight. Cloudy, with a low around 35. Southeast wind 5 to 11 mph. Chance of precipitation is 60%. New precipitation amounts of less than a tenth of an inch possible.
Sunday
Rain, mainly after noon. High near 40. East wind 5 to 11 mph becoming north in the afternoon. Winds could gust as high as 18 mph. Chance of precipitation is 80%.
Sunday Night
Snow likely, possibly mixed with rain, becoming all snow after midnight. Cloudy, with a low around 18. Windy, with a west northwest wind 13 to 18 mph increasing to 21 to 26 mph after midnight. Winds could gust as high as 39 mph. Chance of precipitation is 70%.
Monday
A 50 percent chance of snow before noon. Mostly cloudy, with a high near 24. Windy.
Monday Night
Partly cloudy, with a low around 9. Blustery.
Tuesday
A 30 percent chance of snow after noon. Partly sunny, with a high near 22.
Tuesday Night
Mostly cloudy, with a low around 11.
Wednesday
Mostly sunny, with a high near 19.
Wednesday Night
Partly cloudy, with a low around -1.
New Year's Day
Sunny and cold, with a high near 9.
Thursday Night
Mostly clear, with a low around -4.
Friday
Mostly sunny, with a high near 13.
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Forecast Area
Tiles ©ESRI

ABOUT THIS FORECAST

 
Point Forecast:
Winnebago WI
 44.08°N 88.53°W (Elev. 787 ft)
Last Update:
1:41 am CST Dec 27, 2025
Forecast Valid:
2am CST Dec 27, 2025-6pm CST Jan 2, 2026
 
Forecast Discussion
 
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Additional Resources

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Hourly Weather Forecast

National Digital Forecast Database

National Digital Forecast Database Maximum Temperature Forecast

High Temperature

National Digital Forecast Database Weather Element Forecast

Chance of Precipitation