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

53°F

12°C

Humidity 43%
Wind Speed W 6 mph
Barometer 30.14 in (1021.0 mb)
Dewpoint 31°F (-1°C)
Visibility 10.00 mi
Wind Chill51°F (11°C)
Last update 9 Apr 5:53 pm CDT
Extended Forecast for

Winnebago WI

  • Tonight

    Tonight: Rain likely, mainly after 11pm. Cloudy, with a low around 38. West wind 5 to 8 mph becoming calm. Chance of precipitation is 60%. New precipitation amounts of less than a tenth of an inch possible.

    Low: 38 °F

    Rain Likely

  • Friday

    Friday: Partly sunny, with a high near 50. Northwest wind around 8 mph.

    High: 50 °F

    Partly Sunny

  • Friday Night

    Friday Night: Mostly clear, with a low around 33. Light and variable wind.

    Low: 33 °F

    Mostly Clear

  • Saturday

    Saturday: A 20 percent chance of showers after 1pm. Mostly sunny, with a high near 55. Light south wind becoming south southeast 5 to 10 mph in the morning.

    High: 55 °F

    Sunny then
    Slight Chance
    Showers

  • Saturday Night

    Saturday Night: Showers and possibly a thunderstorm. Low around 43. Southeast wind 10 to 13 mph, with gusts as high as 22 mph. Chance of precipitation is 80%.

    Low: 43 °F

    Showers

  • Sunday

    Sunday: Showers likely and possibly a thunderstorm before 1pm, then a chance of showers and thunderstorms after 1pm. Mostly cloudy, with a high near 68. Chance of precipitation is 70%.

    High: 68 °F

    Showers
    Likely

  • Sunday Night

    Sunday Night: A chance of rain and thunderstorms. Mostly cloudy, with a low around 59. Chance of precipitation is 50%.

    Low: 59 °F

    Chance Rain

  • Monday

    Monday: A 30 percent chance of rain and thunderstorms after 1pm. Partly sunny, with a high near 73.

    High: 73 °F

    Mostly Cloudy
    then Chance
    Rain

  • Monday Night

    Monday Night: Rain and possibly a thunderstorm. Low around 53. Chance of precipitation is 80%.

    Low: 53 °F

    Rain

Detailed Forecast

Tonight
Rain likely, mainly after 11pm. Cloudy, with a low around 38. West wind 5 to 8 mph becoming calm. Chance of precipitation is 60%. New precipitation amounts of less than a tenth of an inch possible.
Friday
Partly sunny, with a high near 50. Northwest wind around 8 mph.
Friday Night
Mostly clear, with a low around 33. Light and variable wind.
Saturday
A 20 percent chance of showers after 1pm. Mostly sunny, with a high near 55. Light south wind becoming south southeast 5 to 10 mph in the morning.
Saturday Night
Showers and possibly a thunderstorm. Low around 43. Southeast wind 10 to 13 mph, with gusts as high as 22 mph. Chance of precipitation is 80%.
Sunday
Showers likely and possibly a thunderstorm before 1pm, then a chance of showers and thunderstorms after 1pm. Mostly cloudy, with a high near 68. Chance of precipitation is 70%.
Sunday Night
A chance of rain and thunderstorms. Mostly cloudy, with a low around 59. Chance of precipitation is 50%.
Monday
A 30 percent chance of rain and thunderstorms after 1pm. Partly sunny, with a high near 73.
Monday Night
Rain and possibly a thunderstorm. Low around 53. Chance of precipitation is 80%.
Tuesday
A chance of rain, then rain likely and possibly a thunderstorm after 1pm. Mostly cloudy, with a high near 67. Chance of precipitation is 60%.
Tuesday Night
Rain and possibly a thunderstorm. Low around 47. Chance of precipitation is 80%.
Wednesday
Rain likely. Mostly cloudy, with a high near 62. Chance of precipitation is 60%.
Wednesday Night
A 40 percent chance of rain. Mostly cloudy, with a low around 45.
Thursday
A 20 percent chance of rain. Mostly sunny, with a high near 67.
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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:
6:06 pm CDT Apr 9, 2026
Forecast Valid:
6pm CDT Apr 9, 2026-6pm CDT Apr 16, 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