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Hazardous Weather Conditions

Current conditions at

Wittman Regional Airport (KOSH)

Lat: 43.97°NLon: 88.56°WElev: 801ft.

A Few Clouds

53°F

12°C

Humidity 48%
Wind Speed S 5 mph
Barometer 29.88 in (1011.1 mb)
Dewpoint 34°F (1°C)
Visibility 10.00 mi
Wind Chill52°F (11°C)
Last update 15 May 3:53 am CDT
Extended Forecast for

3 Miles NW Winnebago WI

  • Overnight

    Overnight: A 20 percent chance of showers. Cloudy, with a low around 52. South wind around 10 mph, with gusts as high as 21 mph.

    Low: 52 °F

    Slight Chance
    Showers

  • Friday

    Friday: Mostly cloudy, then gradually becoming sunny, with a high near 78. South southwest wind 13 to 17 mph, with gusts as high as 26 mph.

    High: 78 °F

    Decreasing
    Clouds

  • Friday Night

    Friday Night: A chance of showers and thunderstorms between 1am and 4am, then a slight chance of showers. Increasing clouds, with a low around 57. South wind 9 to 13 mph, with gusts as high as 22 mph. Chance of precipitation is 40%.

    Low: 57 °F

    Slight Chance
    T-storms then
    Chance
    Showers

  • Saturday

    Saturday: Mostly sunny, with a high near 82. West wind 8 to 14 mph, with gusts as high as 21 mph.

    High: 82 °F

    Mostly Sunny

  • Saturday Night

    Saturday Night: A slight chance of showers between 1am and 4am, then a slight chance of showers and thunderstorms after 4am. Increasing clouds, with a low around 53. Light and variable wind becoming east northeast 5 to 9 mph after midnight. Chance of precipitation is 20%.

    Low: 53 °F

    Partly Cloudy
    then Slight
    Chance
    T-storms

  • Sunday

    Sunday: A chance of showers and thunderstorms, then showers likely and possibly a thunderstorm after 1pm. Mostly cloudy, with a high near 75. Chance of precipitation is 70%.

    High: 75 °F

    Showers
    Likely

  • Sunday Night

    Sunday Night: A 30 percent chance of showers and thunderstorms, mainly before 1am. Mostly cloudy, with a low around 62.

    Low: 62 °F

    Chance
    Showers

  • Monday

    Monday: A chance of showers and thunderstorms, then showers likely and possibly a thunderstorm after 1pm. Partly sunny, with a high near 84. Chance of precipitation is 70%.

    High: 84 °F

    Showers
    Likely

  • Monday Night

    Monday Night: Showers likely and possibly a thunderstorm. Mostly cloudy, with a low around 63. Chance of precipitation is 70%.

    Low: 63 °F

    Showers
    Likely

Detailed Forecast

Overnight
A 20 percent chance of showers. Cloudy, with a low around 52. South wind around 10 mph, with gusts as high as 21 mph.
Friday
Mostly cloudy, then gradually becoming sunny, with a high near 78. South southwest wind 13 to 17 mph, with gusts as high as 26 mph.
Friday Night
A chance of showers and thunderstorms between 1am and 4am, then a slight chance of showers. Increasing clouds, with a low around 57. South wind 9 to 13 mph, with gusts as high as 22 mph. Chance of precipitation is 40%.
Saturday
Mostly sunny, with a high near 82. West wind 8 to 14 mph, with gusts as high as 21 mph.
Saturday Night
A slight chance of showers between 1am and 4am, then a slight chance of showers and thunderstorms after 4am. Increasing clouds, with a low around 53. Light and variable wind becoming east northeast 5 to 9 mph after midnight. Chance of precipitation is 20%.
Sunday
A chance of showers and thunderstorms, then showers likely and possibly a thunderstorm after 1pm. Mostly cloudy, with a high near 75. Chance of precipitation is 70%.
Sunday Night
A 30 percent chance of showers and thunderstorms, mainly before 1am. Mostly cloudy, with a low around 62.
Monday
A chance of showers and thunderstorms, then showers likely and possibly a thunderstorm after 1pm. Partly sunny, with a high near 84. Chance of precipitation is 70%.
Monday Night
Showers likely and possibly a thunderstorm. Mostly cloudy, with a low around 63. Chance of precipitation is 70%.
Tuesday
A chance of showers, with thunderstorms also possible after 1pm. Partly sunny, with a high near 79. Breezy. Chance of precipitation is 50%.
Tuesday Night
A 20 percent chance of showers and thunderstorms. Mostly cloudy, with a low around 48.
Wednesday
Mostly sunny, with a high near 64.
Wednesday Night
Partly cloudy, with a low around 44.
Thursday
Partly sunny, with a high near 66.
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Forecast Area
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ABOUT THIS FORECAST

 
Point Forecast:
3 Miles NW Winnebago WI
 44.1°N 88.56°W (Elev. 797 ft)
Last Update:
1:36 am CDT May 15, 2026
Forecast Valid:
4am CDT May 15, 2026-6pm CDT May 21, 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