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Hazardous Weather Conditions

Current conditions at

Wittman Regional Airport (KOSH)

Lat: 43.97°NLon: 88.56°WElev: 801ft.

Fog

51°F

11°C

Humidity 96%
Wind Speed S 8 mph
Barometer 29.88 in (1011.7 mb)
Dewpoint 50°F (10°C)
Visibility 0.25 mi
Wind Chill48°F (9°C)
Last update 17 Apr 2:53 am CDT
Extended Forecast for

Oshkosh, Wittman Regional Airport WI

Flood Watch April 17, 01:00pm until April 18, 07:00am
Dense Fog Advisory April 17, 03:18am until April 17, 09:00am
Click here for hazard details and duration
Flood Watch
Dense Fog Advisory
  •  
    Dense Fog Advisory April 17, 03:18am until April 17, 09:00am

    NOW until 9:00am Fri

    Dense Fog Advisory

  • Overnight

    Low: 48 °F

    Patchy Fog

  • Friday

    Friday: A 30 percent chance of showers and thunderstorms after 4pm. Areas of fog before 9am. Otherwise, mostly sunny, with a high near 74. South southeast wind 9 to 18 mph, with gusts as high as 31 mph.

    High: 74 °F

    Areas Fog
    then Chance
    T-storms

  • Friday Night

    Friday Night: Showers and thunderstorms before 2am, then a slight chance of showers between 2am and 4am. Low around 38. South wind 14 to 16 mph becoming west northwest after midnight. Winds could gust as high as 28 mph. Chance of precipitation is 90%. New rainfall amounts between a quarter and half of an inch possible.

    Low: 38 °F

    Showers then
    Chance
    T-storms

  • Saturday

    Saturday: A slight chance of rain showers before 8am, then a slight chance of snow showers between 8am and 1pm. Mostly sunny, with a high near 46. West wind around 18 mph, with gusts as high as 32 mph. Chance of precipitation is 20%.

    High: 46 °F

    Slight Chance
    Rain/Snow
    then Slight
    Chance Snow
    Showers

  • Saturday Night

    Saturday Night: Mostly clear, with a low around 31. West wind 9 to 16 mph, with gusts as high as 28 mph.

    Low: 31 °F

    Mostly Clear

  • Sunday

    Sunday: Mostly sunny, with a high near 47.

    High: 47 °F

    Mostly Sunny

  • Sunday Night

    Sunday Night: Mostly clear, with a low around 30.

    Low: 30 °F

    Mostly Clear

  • Monday

    Monday: Sunny, with a high near 53.

    High: 53 °F

    Sunny

Detailed Forecast

Overnight
Patchy fog. Otherwise, partly cloudy, with a low around 48. South southeast wind around 6 mph.
Friday
A 30 percent chance of showers and thunderstorms after 4pm. Areas of fog before 9am. Otherwise, mostly sunny, with a high near 74. South southeast wind 9 to 18 mph, with gusts as high as 31 mph.
Friday Night
Showers and thunderstorms before 2am, then a slight chance of showers between 2am and 4am. Low around 38. South wind 14 to 16 mph becoming west northwest after midnight. Winds could gust as high as 28 mph. Chance of precipitation is 90%. New rainfall amounts between a quarter and half of an inch possible.
Saturday
A slight chance of rain showers before 8am, then a slight chance of snow showers between 8am and 1pm. Mostly sunny, with a high near 46. West wind around 18 mph, with gusts as high as 32 mph. Chance of precipitation is 20%.
Saturday Night
Mostly clear, with a low around 31. West wind 9 to 16 mph, with gusts as high as 28 mph.
Sunday
Mostly sunny, with a high near 47.
Sunday Night
Mostly clear, with a low around 30.
Monday
Sunny, with a high near 53.
Monday Night
Mostly cloudy, with a low around 42.
Tuesday
Mostly sunny, with a high near 68.
Tuesday Night
Mostly clear, with a low around 43.
Wednesday
Sunny, with a high near 67.
Wednesday Night
Partly cloudy, with a low around 47.
Thursday
A 20 percent chance of showers. Mostly sunny, with a high near 71.
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Forecast Area
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ABOUT THIS FORECAST

 
Point Forecast:
Oshkosh, Wittman Regional Airport WI
 43.99°N 88.57°W (Elev. 797 ft)
Last Update:
2:57 am CDT Apr 17, 2026
Forecast Valid:
3am CDT Apr 17, 2026-6pm CDT Apr 23, 2026
 
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