Current conditions at

Wittman Regional Airport (KOSH)

Lat: 43.97°NLon: 88.56°WElev: 801ft.

Fog/Mist

56°F

13°C

Humidity 97%
Wind Speed NE 5 mph
Barometer 29.65 in (1003.7 mb)
Dewpoint 55°F (13°C)
Visibility 4.00 mi
Last update 14 Apr 11:53 pm CDT
Extended Forecast for

Chilton WI

Flood Watch April 15, 12:55am until April 15, 07:00am
Click here for hazard details and duration
Flood Watch
  •  
    Flood Watch April 15, 12:55am until April 15, 07:00am

    NOW until 7:00am Wed

    Flood Watch

  • Overnight

    Low: 56 °F

    Chance
    Showers and
    Areas Fog

  • Wednesday

    Wednesday: A chance of showers, with thunderstorms also possible after 4pm.  Areas of fog before 1pm.  Otherwise, mostly cloudy, with a high near 62. North wind around 6 mph becoming east northeast in the afternoon.  Chance of precipitation is 40%.

    High: 62 °F

    Chance
    Showers and
    Areas Fog

  • Wednesday Night

    Wednesday Night: Showers likely and possibly a thunderstorm before 1am, then a chance of showers and thunderstorms after 1am.  Patchy fog between 8pm and 11pm.  Otherwise, mostly cloudy, with a low around 47. East northeast wind around 7 mph.  Chance of precipitation is 70%. New rainfall amounts between a tenth and quarter of an inch, except higher amounts possible in thunderstorms.

    Low: 47 °F

    Showers
    Likely and
    Patchy Fog

  • Thursday

    Thursday: A chance of showers and thunderstorms.  Mostly cloudy, with a high near 59. North northeast wind around 8 mph.  Chance of precipitation is 40%.

    High: 59 °F

    Chance
    Showers

  • Thursday Night

    Thursday Night: Partly cloudy, with a low around 47. North northeast wind around 6 mph becoming southeast after midnight.

    Low: 47 °F

    Partly Cloudy

  • Friday

    Friday: Partly sunny, with a high near 66.

    High: 66 °F

    Partly Sunny

  • Friday Night

    Friday Night: Rain and possibly a thunderstorm.  Low around 48. Chance of precipitation is 90%.

    Low: 48 °F

    Rain

  • Saturday

    Saturday: Rain likely and possibly a thunderstorm before 1pm, then a chance of rain.  Mostly cloudy, with a high near 58. Chance of precipitation is 60%.

    High: 58 °F

    Rain Likely

Detailed Forecast

Overnight
A 30 percent chance of showers, mainly before 1am. Areas of fog. Otherwise, mostly cloudy, with a steady temperature around 56. South wind around 6 mph becoming north northwest.
Wednesday
A chance of showers, with thunderstorms also possible after 4pm. Areas of fog before 1pm. Otherwise, mostly cloudy, with a high near 62. North wind around 6 mph becoming east northeast in the afternoon. Chance of precipitation is 40%.
Wednesday Night
Showers likely and possibly a thunderstorm before 1am, then a chance of showers and thunderstorms after 1am. Patchy fog between 8pm and 11pm. Otherwise, mostly cloudy, with a low around 47. East northeast wind around 7 mph. Chance of precipitation is 70%. New rainfall amounts between a tenth and quarter of an inch, except higher amounts possible in thunderstorms.
Thursday
A chance of showers and thunderstorms. Mostly cloudy, with a high near 59. North northeast wind around 8 mph. Chance of precipitation is 40%.
Thursday Night
Partly cloudy, with a low around 47. North northeast wind around 6 mph becoming southeast after midnight.
Friday
Partly sunny, with a high near 66.
Friday Night
Rain and possibly a thunderstorm. Low around 48. Chance of precipitation is 90%.
Saturday
Rain likely and possibly a thunderstorm before 1pm, then a chance of rain. Mostly cloudy, with a high near 58. Chance of precipitation is 60%.
Saturday Night
A chance of rain, mixing with snow after 10pm, then gradually ending. Mostly cloudy, with a low around 31. Chance of precipitation is 30%.
Sunday
Partly sunny, with a high near 44.
Sunday Night
Partly cloudy, with a low around 30.
Monday
Sunny, with a high near 50.
Monday Night
Mostly clear, with a low around 34.
Tuesday
Mostly sunny, with a high near 60.
Basemap Options
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ABOUT THIS FORECAST

 
Point Forecast:
Chilton WI
 44.02°N 88.14°W (Elev. 902 ft)
12:32 am CDT Apr 15, 2026
12am CDT Apr 15, 2026-6pm CDT Apr 21, 2026
 
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Additional Resources

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