Current conditions at

Wittman Regional Airport (KOSH)

Lat: 43.97°NLon: 88.56°WElev: 801ft.

Fair

56°F

13°C

Humidity 100%
Wind Speed Calm
Barometer 29.72 in (1006.3 mb)
Dewpoint 56°F (13°C)
Visibility 9.00 mi
Last update 15 Apr 11:53 pm CDT
Extended Forecast for

Chilton WI

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

    NOW until 10:00am Thu

    Dense Fog Advisory

  • Overnight

    Low: 49 °F

    Chance Rain
    and Areas
    Dense Fog

  • Thursday

    Thursday: Rain and thunderstorms likely before 10am, then a chance of rain between 10am and noon.  Areas of dense fog before noon.  Otherwise, cloudy through mid morning, then gradual clearing, with a high near 64. Northeast wind 6 to 8 mph becoming north northwest in the afternoon.  Chance of precipitation is 60%. New precipitation amounts between a tenth and quarter of an inch, except higher amounts possible in thunderstorms.

    High: 64 °F

    Rain Likely
    and Areas
    Dense Fog
    then Partly
    Sunny

  • Thursday Night

    Thursday Night: Mostly clear, with a low around 48. South southeast wind 3 to 7 mph.

    Low: 48 °F

    Mostly Clear

  • Friday

    Friday: A chance of rain between 1pm and 4pm, then a chance of rain and thunderstorms after 4pm.  Partly sunny, with a high near 68. South southeast wind 10 to 18 mph, with gusts as high as 31 mph.  Chance of precipitation is 30%.

    High: 68 °F

    Mostly Sunny
    then Chance
    Rain

  • Friday Night

    Friday Night: Rain and possibly a thunderstorm before 1am, then rain likely.  Low around 40. South southeast wind around 17 mph becoming west after midnight. Winds could gust as high as 28 mph.  Chance of precipitation is 100%.

    Low: 40 °F

    Rain

  • Saturday

    Saturday: A 30 percent chance of rain, mainly before 1pm.  Partly sunny, with a high near 47.

    High: 47 °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 45.

    High: 45 °F

    Mostly Sunny

Detailed Forecast

Overnight
A 50 percent chance of rain and thunderstorms. Areas of dense fog. Otherwise, cloudy, with a low around 49. West southwest wind around 6 mph becoming north northeast. New rainfall amounts between a tenth and quarter of an inch, except higher amounts possible in thunderstorms.
Thursday
Rain and thunderstorms likely before 10am, then a chance of rain between 10am and noon. Areas of dense fog before noon. Otherwise, cloudy through mid morning, then gradual clearing, with a high near 64. Northeast wind 6 to 8 mph becoming north northwest in the afternoon. Chance of precipitation is 60%. New precipitation amounts between a tenth and quarter of an inch, except higher amounts possible in thunderstorms.
Thursday Night
Mostly clear, with a low around 48. South southeast wind 3 to 7 mph.
Friday
A chance of rain between 1pm and 4pm, then a chance of rain and thunderstorms after 4pm. Partly sunny, with a high near 68. South southeast wind 10 to 18 mph, with gusts as high as 31 mph. Chance of precipitation is 30%.
Friday Night
Rain and possibly a thunderstorm before 1am, then rain likely. Low around 40. South southeast wind around 17 mph becoming west after midnight. Winds could gust as high as 28 mph. Chance of precipitation is 100%.
Saturday
A 30 percent chance of rain, mainly before 1pm. Partly sunny, with a high near 47.
Saturday Night
Partly cloudy, with a low around 31.
Sunday
Mostly sunny, with a high near 45.
Sunday Night
Mostly clear, with a low around 29.
Monday
Sunny, with a high near 54.
Monday Night
Mostly cloudy, with a low around 41.
Tuesday
Mostly sunny, with a high near 65.
Tuesday Night
Mostly clear, with a low around 44.
Wednesday
Sunny, with a high near 62.
Basemap Options
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ABOUT THIS FORECAST

 
Point Forecast:
Chilton WI
 44.02°N 88.17°W (Elev. 850 ft)
11:22 pm CDT Apr 15, 2026
12am CDT Apr 16, 2026-6pm CDT Apr 22, 2026
 
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