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Hazardous Weather Conditions

Current conditions at

Wittman Regional Airport (KOSH)

Lat: 43.97°NLon: 88.56°WElev: 801ft.

Fog/Mist

55°F

13°C

Humidity 96%
Wind Speed NE 6 mph
Barometer 29.76 in (1007.7 mb)
Dewpoint 54°F (12°C)
Visibility 1.25 mi
Wind Chill54°F (12°C)
Last update 15 Apr 1:53 pm CDT
Extended Forecast for

5 Miles W Oshkosh, Wittman Regional Airport WI

Dense Fog Advisory April 15, 11:00pm until April 16, 10:00am
Click here for hazard details and duration
Dense Fog Advisory

  • This Afternoon

    This Afternoon: A chance of rain and thunderstorms, then rain likely and possibly a thunderstorm after 4pm. Mostly cloudy, with a high near 62. East northeast wind around 6 mph. Chance of precipitation is 60%. New rainfall amounts between a tenth and quarter of an inch, except higher amounts possible in thunderstorms.

    High: 62 °F

    Rain Likely

  • Tonight

    Tonight: Rain likely and possibly a thunderstorm before 1am, then a chance of rain and thunderstorms after 1am. Patchy fog after 8pm. Otherwise, cloudy, with a low around 50. East wind around 6 mph. Chance of precipitation is 70%. New rainfall amounts between a quarter and half of an inch possible.

    Low: 50 °F

    Rain Likely
    and Patchy
    Fog

  • Thursday

    Thursday: A chance of rain and thunderstorms before 10am, then a slight chance of rain between 10am and 11am. Areas of fog before 11am. Otherwise, cloudy through mid morning, then gradual clearing, with a high near 66. East northeast wind around 7 mph becoming northwest in the afternoon. Chance of precipitation is 40%.

    High: 66 °F

    Chance Rain
    and Areas Fog
    then Mostly
    Sunny

  • Thursday Night

    Thursday Night: Mostly clear, with a low around 49. South southeast wind 3 to 7 mph.

    Low: 49 °F

    Mostly Clear

  • Friday

    Friday: A 30 percent chance of rain after 1pm. Partly sunny, with a high near 72. South southeast wind 9 to 18 mph, with gusts as high as 28 mph.

    High: 72 °F

    Partly Sunny
    then Chance
    Rain

  • Friday Night

    Friday Night: Rain and possibly a thunderstorm before 1am, then rain likely. Low around 39. Chance of precipitation is 100%.

    Low: 39 °F

    Rain

  • Saturday

    Saturday: A 30 percent chance of rain, mainly before 1pm. Partly sunny, with a high near 49.

    High: 49 °F

    Chance Rain

  • Saturday Night

    Saturday Night: Partly cloudy, with a low around 31.

    Low: 31 °F

    Partly Cloudy

  • Sunday

    Sunday: Mostly sunny, with a high near 47.

    High: 47 °F

    Mostly Sunny

Detailed Forecast

This Afternoon
A chance of rain and thunderstorms, then rain likely and possibly a thunderstorm after 4pm. Mostly cloudy, with a high near 62. East northeast wind around 6 mph. Chance of precipitation is 60%. New rainfall amounts between a tenth and quarter of an inch, except higher amounts possible in thunderstorms.
Tonight
Rain likely and possibly a thunderstorm before 1am, then a chance of rain and thunderstorms after 1am. Patchy fog after 8pm. Otherwise, cloudy, with a low around 50. East wind around 6 mph. Chance of precipitation is 70%. New rainfall amounts between a quarter and half of an inch possible.
Thursday
A chance of rain and thunderstorms before 10am, then a slight chance of rain between 10am and 11am. Areas of fog before 11am. Otherwise, cloudy through mid morning, then gradual clearing, with a high near 66. East northeast wind around 7 mph becoming northwest in the afternoon. Chance of precipitation is 40%.
Thursday Night
Mostly clear, with a low around 49. South southeast wind 3 to 7 mph.
Friday
A 30 percent chance of rain after 1pm. Partly sunny, with a high near 72. South southeast wind 9 to 18 mph, with gusts as high as 28 mph.
Friday Night
Rain and possibly a thunderstorm before 1am, then rain likely. Low around 39. Chance of precipitation is 100%.
Saturday
A 30 percent chance of rain, mainly before 1pm. Partly sunny, with a high near 49.
Saturday Night
Partly cloudy, with a low around 31.
Sunday
Mostly sunny, with a high near 47.
Sunday Night
Mostly clear, with a low around 29.
Monday
Sunny, with a high near 56.
Monday Night
Partly cloudy, with a low around 44.
Tuesday
Mostly sunny, with a high near 67.
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Forecast Area
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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:
1:46 pm CDT Apr 15, 2026
Forecast Valid:
2pm CDT Apr 15, 2026-6pm CDT Apr 21, 2026
 
Forecast Discussion
 
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Additional Resources

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Chance of Precipitation