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Hazardous Weather Conditions

Current conditions at

Wittman Regional Airport (KOSH)

Lat: 43.97°NLon: 88.56°WElev: 801ft.

Fair

60°F

16°C

Humidity 60%
Wind Speed E 13 G 20 mph
Barometer 30.03 in (1016.9 mb)
Dewpoint 46°F (8°C)
Visibility 10.00 mi
Last update 26 Apr 3:53 pm CDT
Extended Forecast for

Winnebago WI

  • Tonight

    Tonight: Mostly cloudy, with a low around 46. East southeast wind 9 to 11 mph, with gusts as high as 23 mph.

    Low: 46 °F

    Mostly Cloudy

  • Monday

    Monday: Showers, with thunderstorms also possible after 1pm. High near 64. Breezy, with a southeast wind 15 to 22 mph, with gusts as high as 34 mph. Chance of precipitation is 90%. New rainfall amounts between a quarter and half of an inch possible.

    High: 64 °F

    Showers and
    Breezy

  • Monday Night

    Monday Night: Showers and possibly a thunderstorm before 1am, then a chance of showers. Low around 47. South southeast wind 16 to 20 mph becoming west southwest after midnight. Winds could gust as high as 30 mph. Chance of precipitation is 100%. New rainfall amounts between a quarter and half of an inch possible.

    Low: 47 °F

    Showers

  • Tuesday

    Tuesday: Mostly cloudy, with a high near 60. West northwest wind 14 to 20 mph, with gusts as high as 30 mph.

    High: 60 °F

    Mostly Cloudy

  • Tuesday Night

    Tuesday Night: Mostly cloudy, with a low around 44. West northwest wind 6 to 9 mph becoming north northeast after midnight.

    Low: 44 °F

    Mostly Cloudy

  • Wednesday

    Wednesday: Partly sunny, with a high near 59.

    High: 59 °F

    Partly Sunny

  • Wednesday Night

    Wednesday Night: Partly cloudy, with a low around 39.

    Low: 39 °F

    Partly Cloudy

  • Thursday

    Thursday: A 20 percent chance of showers after 1pm. Partly sunny, with a high near 56.

    High: 56 °F

    Mostly Sunny
    then Slight
    Chance
    Showers

  • Thursday Night

    Thursday Night: Mostly cloudy, with a low around 38.

    Low: 38 °F

    Mostly Cloudy

Detailed Forecast

Tonight
Mostly cloudy, with a low around 46. East southeast wind 9 to 11 mph, with gusts as high as 23 mph.
Monday
Showers, with thunderstorms also possible after 1pm. High near 64. Breezy, with a southeast wind 15 to 22 mph, with gusts as high as 34 mph. Chance of precipitation is 90%. New rainfall amounts between a quarter and half of an inch possible.
Monday Night
Showers and possibly a thunderstorm before 1am, then a chance of showers. Low around 47. South southeast wind 16 to 20 mph becoming west southwest after midnight. Winds could gust as high as 30 mph. Chance of precipitation is 100%. New rainfall amounts between a quarter and half of an inch possible.
Tuesday
Mostly cloudy, with a high near 60. West northwest wind 14 to 20 mph, with gusts as high as 30 mph.
Tuesday Night
Mostly cloudy, with a low around 44. West northwest wind 6 to 9 mph becoming north northeast after midnight.
Wednesday
Partly sunny, with a high near 59.
Wednesday Night
Partly cloudy, with a low around 39.
Thursday
A 20 percent chance of showers after 1pm. Partly sunny, with a high near 56.
Thursday Night
Mostly cloudy, with a low around 38.
Friday
Partly sunny, with a high near 55.
Friday Night
Partly cloudy, with a low around 37.
Saturday
Sunny, with a high near 61.
Saturday Night
Partly cloudy, with a low around 43.
Sunday
A 20 percent chance of showers. 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:
3:21 pm CDT Apr 26, 2026
Forecast Valid:
4pm CDT Apr 26, 2026-6pm CDT May 3, 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