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.

Thunderstorm Rain Fog/Mist

58°F

14°C

Humidity 93%
Wind Speed SW 7 G 17 mph
Barometer 29.82 in (1009.7 mb)
Dewpoint 56°F (13°C)
Visibility 1.50 mi
Last update 12 Apr 10:53 am CDT
Extended Forecast for

5 Miles W Oshkosh, Wittman Regional Airport WI

  • Today

    Today: A 40 percent chance of rain and thunderstorms, mainly before 4pm. Cloudy, with a high near 70. South southwest wind 8 to 13 mph increasing to 16 to 21 mph in the afternoon. Winds could gust as high as 33 mph.

    High: 70 °F

    Chance
    T-storms

  • Tonight

    Tonight: A slight chance of showers and thunderstorms before 9pm, then a slight chance of showers between 9pm and 10pm. Patchy fog between 10pm and midnight. Otherwise, mostly cloudy, with a low around 60. Breezy, with a south southwest wind 14 to 22 mph, with gusts as high as 33 mph. Chance of precipitation is 20%.

    Low: 60 °F

    Slight Chance
    T-storms and
    Patchy Fog
    then Mostly
    Cloudy

  • Monday

    Monday: A slight chance of showers between 1pm and 4pm, then a chance of showers and thunderstorms after 4pm. Partly sunny, with a high near 74. West southwest wind 8 to 11 mph becoming south southeast in the afternoon. Winds could gust as high as 18 mph. Chance of precipitation is 30%.

    High: 74 °F

    Partly Sunny
    then Chance
    Showers

  • Monday Night

    Monday Night: Showers and thunderstorms before 4am, then a chance of showers. Low around 57. South southeast wind around 11 mph becoming southwest after midnight. Winds could gust as high as 21 mph. Chance of precipitation is 90%.

    Low: 57 °F

    Showers

  • Tuesday

    Tuesday: A 50 percent chance of showers and thunderstorms after 1pm. Partly sunny, with a high near 72. Southwest wind around 9 mph.

    High: 72 °F

    Partly Sunny
    then Chance
    Showers

  • Tuesday Night

    Tuesday Night: Showers likely and possibly a thunderstorm before 1am, then a chance of showers and thunderstorms between 1am and 4am, then a chance of showers after 4am. Mostly cloudy, with a low around 49. Chance of precipitation is 70%.

    Low: 49 °F

    Showers
    Likely

  • Wednesday

    Wednesday: A chance of showers, then showers likely and possibly a thunderstorm after 1pm. Mostly cloudy, with a high near 67. Chance of precipitation is 60%.

    High: 67 °F

    Chance
    Showers then
    Showers
    Likely

  • Wednesday Night

    Wednesday Night: Rain likely and possibly a thunderstorm before 1am, then a chance of rain. Mostly cloudy, with a low around 50. Chance of precipitation is 60%.

    Low: 50 °F

    Rain Likely

  • Thursday

    Thursday: A 30 percent chance of rain, mainly before 1pm. Partly sunny, with a high near 69.

    High: 69 °F

    Chance Rain

Detailed Forecast

Today
A 40 percent chance of rain and thunderstorms, mainly before 4pm. Cloudy, with a high near 70. South southwest wind 8 to 13 mph increasing to 16 to 21 mph in the afternoon. Winds could gust as high as 33 mph.
Tonight
A slight chance of showers and thunderstorms before 9pm, then a slight chance of showers between 9pm and 10pm. Patchy fog between 10pm and midnight. Otherwise, mostly cloudy, with a low around 60. Breezy, with a south southwest wind 14 to 22 mph, with gusts as high as 33 mph. Chance of precipitation is 20%.
Monday
A slight chance of showers between 1pm and 4pm, then a chance of showers and thunderstorms after 4pm. Partly sunny, with a high near 74. West southwest wind 8 to 11 mph becoming south southeast in the afternoon. Winds could gust as high as 18 mph. Chance of precipitation is 30%.
Monday Night
Showers and thunderstorms before 4am, then a chance of showers. Low around 57. South southeast wind around 11 mph becoming southwest after midnight. Winds could gust as high as 21 mph. Chance of precipitation is 90%.
Tuesday
A 50 percent chance of showers and thunderstorms after 1pm. Partly sunny, with a high near 72. Southwest wind around 9 mph.
Tuesday Night
Showers likely and possibly a thunderstorm before 1am, then a chance of showers and thunderstorms between 1am and 4am, then a chance of showers after 4am. Mostly cloudy, with a low around 49. Chance of precipitation is 70%.
Wednesday
A chance of showers, then showers likely and possibly a thunderstorm after 1pm. Mostly cloudy, with a high near 67. Chance of precipitation is 60%.
Wednesday Night
Rain likely and possibly a thunderstorm before 1am, then a chance of rain. Mostly cloudy, with a low around 50. Chance of precipitation is 60%.
Thursday
A 30 percent chance of rain, mainly before 1pm. Partly sunny, with a high near 69.
Thursday Night
Mostly clear, with a low around 51.
Friday
A 40 percent chance of rain. Mostly sunny, with a high near 74.
Friday Night
Rain likely and possibly a thunderstorm. Mostly cloudy, with a low around 47. Chance of precipitation is 70%.
Saturday
A 50 percent chance of rain and thunderstorms. Mostly cloudy, with a high near 59.
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ABOUT THIS FORECAST

 
Point Forecast:
5 Miles W Oshkosh, Wittman Regional Airport WI
 44°N 88.66°W (Elev. 843 ft)
Last Update:
11:26 am CDT Apr 12, 2026
Forecast Valid:
11am CDT Apr 12, 2026-6pm CDT Apr 18, 2026
 
Forecast Discussion
 
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Additional Resources

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High Temperature

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Chance of Precipitation