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.

Partly Cloudy

29°F

-2°C

Humidity 69%
Wind Speed S 6 mph
Barometer 30.21 in (1024.1 mb)
Dewpoint 20°F (-7°C)
Visibility 10.00 mi
Wind Chill23°F (-5°C)
Last update 3 Mar 12:53 am CST
Extended Forecast for

Winnebago WI

  • Overnight

    Overnight: Mostly cloudy, with a low around 31. South wind around 6 mph becoming calm.

    Low: 31 °F

    Mostly Cloudy

  • Tuesday

    Tuesday: Cloudy, then gradually becoming mostly sunny, with a high near 44. Light and variable wind.

    High: 44 °F

    Decreasing
    Clouds

  • Tuesday Night

    Tuesday Night: Partly cloudy, with a low around 28. Light west southwest wind.

    Low: 28 °F

    Partly Cloudy

  • Wednesday

    Wednesday: Mostly sunny, with a high near 50. Calm wind becoming southeast around 6 mph in the afternoon.

    High: 50 °F

    Mostly Sunny

  • Wednesday Night

    Wednesday Night: A 20 percent chance of rain after midnight. Increasing clouds, with a low around 33. East southeast wind 3 to 5 mph.

    Low: 33 °F

    Mostly Clear
    then Slight
    Chance Rain

  • Thursday

    Thursday: A 40 percent chance of rain. Mostly cloudy, with a high near 45.

    High: 45 °F

    Chance Rain

  • Thursday Night

    Thursday Night: A 20 percent chance of rain before midnight. Cloudy, with a low around 37.

    Low: 37 °F

    Slight Chance
    Rain then
    Cloudy

  • Friday

    Friday: Rain. High near 56. Chance of precipitation is 100%.

    High: 56 °F

    Rain Likely
    then Rain

  • Friday Night

    Friday Night: Rain and possibly a thunderstorm. Low around 41. Chance of precipitation is 80%.

    Low: 41 °F

    Rain

Detailed Forecast

Overnight
Mostly cloudy, with a low around 31. South wind around 6 mph becoming calm.
Tuesday
Cloudy, then gradually becoming mostly sunny, with a high near 44. Light and variable wind.
Tuesday Night
Partly cloudy, with a low around 28. Light west southwest wind.
Wednesday
Mostly sunny, with a high near 50. Calm wind becoming southeast around 6 mph in the afternoon.
Wednesday Night
A 20 percent chance of rain after midnight. Increasing clouds, with a low around 33. East southeast wind 3 to 5 mph.
Thursday
A 40 percent chance of rain. Mostly cloudy, with a high near 45.
Thursday Night
A 20 percent chance of rain before midnight. Cloudy, with a low around 37.
Friday
Rain. High near 56. Chance of precipitation is 100%.
Friday Night
Rain and possibly a thunderstorm. Low around 41. Chance of precipitation is 80%.
Saturday
A 30 percent chance of rain, mainly before noon. Partly sunny, with a high near 54.
Saturday Night
Partly cloudy, with a low around 34.
Sunday
Mostly sunny, with a high near 56.
Sunday Night
Mostly clear, with a low around 37.
Monday
Sunny, with a high near 54.
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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:
12:21 am CST Mar 3, 2026
Forecast Valid:
1am CST Mar 3, 2026-6pm CDT Mar 9, 2026
 
Forecast Discussion
 
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Additional Resources

Radar & Satellite Image

Link to Local Radar Data Link to Satellite Data

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