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.

Fair

40°F

4°C

Humidity 65%
Wind Speed SW 3 mph
Barometer 29.89 in (1012.9 mb)
Dewpoint 29°F (-2°C)
Visibility 10.00 mi
Last update 15 Feb 7:53 pm CST
Extended Forecast for

Winnebago WI

  • Tonight

    Tonight: Mostly cloudy, with a low around 32. Light south southwest wind becoming south 5 to 9 mph after midnight.

    Low: 32 °F

    Mostly Cloudy

  • Washington's Birthday

    Washington's Birthday: Mostly sunny, with a high near 54. South wind 5 to 10 mph becoming light and variable in the afternoon. Winds could gust as high as 18 mph.

    High: 54 °F

    Mostly Sunny

  • Monday Night

    Monday Night: Partly cloudy, with a low around 31. Calm wind becoming east 5 to 7 mph after midnight.

    Low: 31 °F

    Partly Cloudy

  • Tuesday

    Tuesday: Mostly cloudy, with a high near 43. East wind 7 to 14 mph, with gusts as high as 23 mph.

    High: 43 °F

    Mostly Cloudy

  • Tuesday Night

    Tuesday Night: Rain. Low around 38. East wind around 14 mph, with gusts as high as 23 mph. Chance of precipitation is 90%.

    Low: 38 °F

    Rain

  • Wednesday

    Wednesday: Rain likely, mainly before noon. Partly sunny, with a high near 51. Chance of precipitation is 60%.

    High: 51 °F

    Rain Likely
    then Chance
    Rain

  • Wednesday Night

    Wednesday Night: A slight chance of rain before midnight, then a slight chance of rain and snow. Partly cloudy, with a low around 30. Chance of precipitation is 20%.

    Low: 30 °F

    Slight Chance
    Rain then
    Slight Chance
    Rain/Snow

  • Thursday

    Thursday: A 20 percent chance of rain after noon. Mostly sunny, with a high near 44.

    High: 44 °F

    Mostly Sunny
    then Slight
    Chance Rain

  • Thursday Night

    Thursday Night: Snow likely, possibly mixed with rain, mainly after midnight. Mostly cloudy, with a low around 29. Chance of precipitation is 60%.

    Low: 29 °F

    Rain/Snow
    Likely

Detailed Forecast

Tonight
Mostly cloudy, with a low around 32. Light south southwest wind becoming south 5 to 9 mph after midnight.
Washington's Birthday
Mostly sunny, with a high near 54. South wind 5 to 10 mph becoming light and variable in the afternoon. Winds could gust as high as 18 mph.
Monday Night
Partly cloudy, with a low around 31. Calm wind becoming east 5 to 7 mph after midnight.
Tuesday
Mostly cloudy, with a high near 43. East wind 7 to 14 mph, with gusts as high as 23 mph.
Tuesday Night
Rain. Low around 38. East wind around 14 mph, with gusts as high as 23 mph. Chance of precipitation is 90%.
Wednesday
Rain likely, mainly before noon. Partly sunny, with a high near 51. Chance of precipitation is 60%.
Wednesday Night
A slight chance of rain before midnight, then a slight chance of rain and snow. Partly cloudy, with a low around 30. Chance of precipitation is 20%.
Thursday
A 20 percent chance of rain after noon. Mostly sunny, with a high near 44.
Thursday Night
Snow likely, possibly mixed with rain, mainly after midnight. Mostly cloudy, with a low around 29. Chance of precipitation is 60%.
Friday
A 40 percent chance of snow. Mostly cloudy, with a high near 36.
Friday Night
A 30 percent chance of snow. Mostly cloudy, with a low around 21.
Saturday
A 20 percent chance of snow. Partly sunny, with a high near 33.
Saturday Night
A 30 percent chance of snow. Mostly cloudy, with a low around 17.
Sunday
A 20 percent chance of snow. Partly sunny, with a high near 29.
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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:
7:32 pm CST Feb 15, 2026
Forecast Valid:
8pm CST Feb 15, 2026-6pm CST Feb 22, 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