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.

Fog

37°F

3°C

Humidity 96%
Wind Speed E 3 mph
Barometer 30.06 in (1018.9 mb)
Dewpoint 36°F (2°C)
Visibility 0.25 mi
Last update 5 Mar 11:53 pm CST
Extended Forecast for

4 Miles SE Oshkosh, Wittman Regional Airport WI

Dense Fog Advisory until March 6, 09:00am
Click here for hazard details and duration
Dense Fog Advisory
  •  
    Dense Fog Advisory until March 6, 09:00am

    NOW until 9:00am Fri

    Dense Fog Advisory

  • Overnight

    Low: 34 °F

    Slight Chance
    Rain and
    Areas Fog

  • Friday

    Friday: Rain, mainly after 10am. Patchy fog before 5pm. High near 58. Southeast wind 7 to 13 mph, with gusts as high as 20 mph. Chance of precipitation is 100%. New precipitation amounts between a quarter and half of an inch possible.

    High: 58 °F

    Rain and
    Patchy Fog

  • Friday Night

    Friday Night: Rain and thunderstorms before 3am, then a chance of rain between 3am and 5am. Low around 47. South wind 8 to 16 mph, with gusts as high as 25 mph. Chance of precipitation is 100%. New rainfall amounts between a quarter and half of an inch possible.

    Low: 47 °F

    Rain

  • Saturday

    Saturday: A 20 percent chance of rain before noon. Mostly cloudy, with a high near 49. West northwest wind 9 to 17 mph, with gusts as high as 26 mph.

    High: 49 °F

    Slight Chance
    Rain then
    Partly Sunny

  • Saturday Night

    Saturday Night: Mostly clear, with a low around 31. Southwest wind 7 to 14 mph, with gusts as high as 22 mph.

    Low: 31 °F

    Mostly Clear

  • Sunday

    Sunday: Sunny, with a high near 56.

    High: 56 °F

    Sunny

  • Sunday Night

    Sunday Night: Partly cloudy, with a low around 44.

    Low: 44 °F

    Partly Cloudy

  • Monday

    Monday: Mostly sunny, with a high near 59.

    High: 59 °F

    Mostly Sunny

Detailed Forecast

Overnight
A 20 percent chance of rain. Areas of fog. Otherwise, cloudy, with a low around 34. Southeast wind 5 to 7 mph.
Friday
Rain, mainly after 10am. Patchy fog before 5pm. High near 58. Southeast wind 7 to 13 mph, with gusts as high as 20 mph. Chance of precipitation is 100%. New precipitation amounts between a quarter and half of an inch possible.
Friday Night
Rain and thunderstorms before 3am, then a chance of rain between 3am and 5am. Low around 47. South wind 8 to 16 mph, with gusts as high as 25 mph. Chance of precipitation is 100%. New rainfall amounts between a quarter and half of an inch possible.
Saturday
A 20 percent chance of rain before noon. Mostly cloudy, with a high near 49. West northwest wind 9 to 17 mph, with gusts as high as 26 mph.
Saturday Night
Mostly clear, with a low around 31. Southwest wind 7 to 14 mph, with gusts as high as 22 mph.
Sunday
Sunny, with a high near 56.
Sunday Night
Partly cloudy, with a low around 44.
Monday
Mostly sunny, with a high near 59.
Monday Night
Partly cloudy, with a low around 35.
Tuesday
A 50 percent chance of rain, mainly after noon. Partly sunny, with a high near 55.
Tuesday Night
Rain likely. Mostly cloudy, with a low around 32. Chance of precipitation is 70%.
Wednesday
A chance of rain and snow. Partly sunny, with a high near 44. Chance of precipitation is 40%.
Wednesday Night
Partly cloudy, with a low around 23.
Thursday
Sunny, with a high near 41.
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Forecast Area
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ABOUT THIS FORECAST

 
Point Forecast:
4 Miles SE Oshkosh, Wittman Regional Airport WI
 43.97°N 88.51°W (Elev. 748 ft)
Last Update:
11:56 pm CST Mar 5, 2026
Forecast Valid:
12am CST Mar 6, 2026-6pm CDT Mar 12, 2026
 
Forecast Discussion
 
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Additional Resources

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Chance of Precipitation