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.

Fog

36°F

2°C

Humidity 97%
Wind Speed Calm
Barometer 30.04 in (1018.2 mb)
Dewpoint 35°F (2°C)
Visibility 0.25 mi
Last update 5 Mar 8:53 pm CST
Extended Forecast for

Winnebago WI

  • Tonight

    Tonight: A 20 percent chance of rain after midnight. Areas of fog. Otherwise, cloudy, with a low around 35. Southeast wind 3 to 6 mph.

    Low: 35 °F

    Areas Fog
    then Slight
    Chance Rain
    and Areas Fog

  • Friday

    Friday: Rain, mainly after 10am. Patchy fog before 4pm. High near 59. Southeast wind 7 to 11 mph, with gusts as high as 18 mph. Chance of precipitation is 100%. New precipitation amounts between a quarter and half of an inch possible.

    High: 59 °F

    Rain and
    Patchy Fog

  • Friday Night

    Friday Night: Rain and possibly a thunderstorm. Low around 49. South wind 9 to 13 mph, with gusts as high as 22 mph. Chance of precipitation is 100%. New rainfall amounts between a quarter and half of an inch possible.

    Low: 49 °F

    Rain

  • Saturday

    Saturday: A 30 percent chance of rain before noon. Mostly cloudy, with a high near 51. West northwest wind 9 to 15 mph, with gusts as high as 24 mph.

    High: 51 °F

    Chance Rain
    then Partly
    Sunny

  • Saturday Night

    Saturday Night: Mostly clear, with a low around 32. Southwest wind 7 to 13 mph, with gusts as high as 22 mph.

    Low: 32 °F

    Mostly Clear

  • Sunday

    Sunday: Sunny, with a high near 58.

    High: 58 °F

    Sunny

  • Sunday Night

    Sunday Night: Partly cloudy, with a low around 46.

    Low: 46 °F

    Partly Cloudy

  • Monday

    Monday: Mostly sunny, with a high near 61.

    High: 61 °F

    Mostly Sunny

  • Monday Night

    Monday Night: Partly cloudy, with a low around 37.

    Low: 37 °F

    Partly Cloudy

Detailed Forecast

Tonight
A 20 percent chance of rain after midnight. Areas of fog. Otherwise, cloudy, with a low around 35. Southeast wind 3 to 6 mph.
Friday
Rain, mainly after 10am. Patchy fog before 4pm. High near 59. Southeast wind 7 to 11 mph, with gusts as high as 18 mph. Chance of precipitation is 100%. New precipitation amounts between a quarter and half of an inch possible.
Friday Night
Rain and possibly a thunderstorm. Low around 49. South wind 9 to 13 mph, with gusts as high as 22 mph. Chance of precipitation is 100%. New rainfall amounts between a quarter and half of an inch possible.
Saturday
A 30 percent chance of rain before noon. Mostly cloudy, with a high near 51. West northwest wind 9 to 15 mph, with gusts as high as 24 mph.
Saturday Night
Mostly clear, with a low around 32. Southwest wind 7 to 13 mph, with gusts as high as 22 mph.
Sunday
Sunny, with a high near 58.
Sunday Night
Partly cloudy, with a low around 46.
Monday
Mostly sunny, with a high near 61.
Monday Night
Partly cloudy, with a low around 37.
Tuesday
A 50 percent chance of rain, mainly after noon. Partly sunny, with a high near 55.
Tuesday Night
Rain likely. Mostly cloudy, with a low around 34. Chance of precipitation is 70%.
Wednesday
A chance of rain and snow. Partly sunny, with a high near 46. Chance of precipitation is 40%.
Wednesday Night
Partly cloudy, with a low around 24.
Thursday
Sunny, with a high near 42.
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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:
8:41 pm CST Mar 5, 2026
Forecast Valid:
9pm CST Mar 5, 2026-6pm CDT Mar 12, 2026
 
Forecast Discussion
 
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Additional Resources

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Hourly Weather Forecast

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High Temperature

National Digital Forecast Database Weather Element Forecast

Chance of Precipitation