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

69°F

21°C

Humidity 78%
Wind Speed Calm
Barometer 29.90 in (1011.7 mb)
Dewpoint 62°F (17°C)
Visibility 10.00 mi
Last update 21 Aug 7:53 pm CDT
Extended Forecast for

2 Miles N Winnebago WI

  • Tonight

    Tonight: A chance of showers and thunderstorms before 10pm, then a slight chance of showers between 10pm and 11pm. Mostly cloudy, then gradually becoming clear, with a low around 60. South southwest wind 5 to 8 mph becoming north northwest in the evening. Chance of precipitation is 50%. New precipitation amounts of less than a tenth of an inch, except higher amounts possible in thunderstorms.

    Low: 60 °F

    Chance
    T-storms then
    Mostly Clear

  • Saturday

    Saturday: A 40 percent chance of showers and thunderstorms, mainly between 3pm and 5pm. Mostly sunny, with a high near 77. Northwest wind 7 to 13 mph, with gusts as high as 21 mph.

    High: 77 °F

    Mostly Sunny
    then Chance
    T-storms

  • Saturday Night

    Saturday Night: A 30 percent chance of showers and thunderstorms before 7pm. Mostly clear, with a low around 55. Northwest wind 8 to 10 mph.

    Low: 55 °F

    Chance
    T-storms then
    Clear

  • Sunday

    Sunday: Sunny, with a high near 75. North northwest wind around 9 mph.

    High: 75 °F

    Sunny

  • Sunday Night

    Sunday Night: Mostly clear, with a low around 55. Northeast wind 3 to 7 mph.

    Low: 55 °F

    Mostly Clear

  • Monday

    Monday: Sunny, with a high near 77.

    High: 77 °F

    Sunny

  • Monday Night

    Monday Night: A 20 percent chance of showers after 1am. Mostly clear, with a low around 60.

    Low: 60 °F

    Mostly Clear
    then Slight
    Chance
    Showers

  • Tuesday

    Tuesday: A 20 percent chance of showers after 1pm. Mostly sunny, with a high near 80.

    High: 80 °F

    Mostly Sunny
    then Slight
    Chance
    Showers

  • Tuesday Night

    Tuesday Night: A chance of showers, with thunderstorms also possible after 1am. Mostly cloudy, with a low around 65. Chance of precipitation is 40%.

    Low: 65 °F

    Chance
    Showers then
    Chance
    T-storms

Detailed Forecast

Tonight
A chance of showers and thunderstorms before 10pm, then a slight chance of showers between 10pm and 11pm. Mostly cloudy, then gradually becoming clear, with a low around 60. South southwest wind 5 to 8 mph becoming north northwest in the evening. Chance of precipitation is 50%. New precipitation amounts of less than a tenth of an inch, except higher amounts possible in thunderstorms.
Saturday
A 40 percent chance of showers and thunderstorms, mainly between 3pm and 5pm. Mostly sunny, with a high near 77. Northwest wind 7 to 13 mph, with gusts as high as 21 mph.
Saturday Night
A 30 percent chance of showers and thunderstorms before 7pm. Mostly clear, with a low around 55. Northwest wind 8 to 10 mph.
Sunday
Sunny, with a high near 75. North northwest wind around 9 mph.
Sunday Night
Mostly clear, with a low around 55. Northeast wind 3 to 7 mph.
Monday
Sunny, with a high near 77.
Monday Night
A 20 percent chance of showers after 1am. Mostly clear, with a low around 60.
Tuesday
A 20 percent chance of showers after 1pm. Mostly sunny, with a high near 80.
Tuesday Night
A chance of showers, with thunderstorms also possible after 1am. Mostly cloudy, with a low around 65. Chance of precipitation is 40%.
Wednesday
A slight chance of showers, then a chance of showers and thunderstorms after 1pm. Mostly sunny, with a high near 81. Chance of precipitation is 40%.
Wednesday Night
A 20 percent chance of showers and thunderstorms. Partly cloudy, with a low around 63.
Thursday
A 20 percent chance of showers and thunderstorms. Mostly sunny, with a high near 80.
Thursday Night
Partly cloudy, with a low around 62.
Friday
Mostly sunny, with a high near 80.
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Forecast Area
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ABOUT THIS FORECAST

 
Point Forecast:
2 Miles N Winnebago WI
 44.1°N 88.5°W (Elev. 758 ft)
Last Update:
8:36 pm CDT Aug 21, 2026
Forecast Valid:
8pm CDT Aug 21, 2026-6pm CDT Aug 28, 2026
 
Forecast Discussion
 
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Additional Resources

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High Temperature

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Chance of Precipitation