Current conditions at

Wittman Regional Airport (KOSH)

Lat: 43.97°NLon: 88.56°WElev: 801ft.

Thunderstorm Heavy Rain Fog/Mist

55°F

13°C

Humidity 96%
Wind Speed N 13 G 21 mph
Barometer 29.73 in (1006.1 mb)
Dewpoint 54°F (12°C)
Visibility 2.00 mi
Wind Chill51°F (11°C)
Last update 13 Apr 11:53 pm CDT
Extended Forecast for

Chilton WI

Flood Watch April 14, 12:25am until April 14, 07:00am
Severe T-storm Watch April 14, 12:25am until April 14, 04:00am
Flood Advisory until April 14, 04:15am
Click here for hazard details and duration
Flood Watch
Severe T-storm Watch
Flood Advisory
  •  
    Flood Watch April 14, 12:25am until April 14, 07:00am
    Severe T-storm Watch April 14, 12:25am until April 14, 04:00am
    Flood Advisory until April 14, 04:15am

    NOW: Multiple hazards in effect

    Click HERE for Details

  • Overnight

    Low: 55 °F

    Heavy Rain
    and Patchy
    Fog

  • Tuesday

    Tuesday: A chance of showers and thunderstorms between 4pm and 5pm, then showers likely and possibly a thunderstorm after 5pm.  Patchy fog before 11am.  Otherwise, partly sunny, with a high near 73. West southwest wind around 10 mph becoming east in the afternoon.  Chance of precipitation is 60%. New rainfall amounts of less than a tenth of an inch, except higher amounts possible in thunderstorms.

    High: 73 °F

    Patchy Fog
    then Showers
    Likely

  • Tuesday Night

    Tuesday Night: Rain likely and possibly a thunderstorm.  Mostly cloudy, with a low around 49. East wind 6 to 8 mph becoming north after midnight.  Chance of precipitation is 70%. New precipitation amounts between a tenth and quarter of an inch, except higher amounts possible in thunderstorms.

    Low: 49 °F

    Rain Likely

  • Wednesday

    Wednesday: A chance of rain, with thunderstorms also possible after 4pm.  Mostly cloudy, with a high near 59. East northeast wind 6 to 9 mph.  Chance of precipitation is 50%.

    High: 59 °F

    Slight Chance
    Rain then
    Chance
    T-storms

  • Wednesday Night

    Wednesday Night: Rain and possibly a thunderstorm before 1am, then rain likely.  Low around 49. East wind around 8 mph.  Chance of precipitation is 80%.

    Low: 49 °F

    Rain

  • Thursday

    Thursday: A 50 percent chance of rain.  Cloudy, then gradually becoming mostly sunny, with a high near 65.

    High: 65 °F

    Chance Rain

  • Thursday Night

    Thursday Night: Partly cloudy, with a low around 47.

    Low: 47 °F

    Partly Cloudy

  • Friday

    Friday: A 20 percent chance of rain after 1pm.  Partly sunny, with a high near 69.

    High: 69 °F

    Partly Sunny
    then Slight
    Chance Rain

Detailed Forecast

Overnight
Showers and thunderstorms before 2am, then showers and possibly a thunderstorm between 2am and 3am, then a chance of showers and thunderstorms after 3am. Some of the storms could produce heavy rainfall. Patchy fog. Low around 55. South southwest wind around 10 mph, with gusts as high as 18 mph. Chance of precipitation is 90%. New rainfall amounts between a quarter and half of an inch possible.
Tuesday
A chance of showers and thunderstorms between 4pm and 5pm, then showers likely and possibly a thunderstorm after 5pm. Patchy fog before 11am. Otherwise, partly sunny, with a high near 73. West southwest wind around 10 mph becoming east in the afternoon. Chance of precipitation is 60%. New rainfall amounts of less than a tenth of an inch, except higher amounts possible in thunderstorms.
Tuesday Night
Rain likely and possibly a thunderstorm. Mostly cloudy, with a low around 49. East wind 6 to 8 mph becoming north after midnight. Chance of precipitation is 70%. New precipitation amounts between a tenth and quarter of an inch, except higher amounts possible in thunderstorms.
Wednesday
A chance of rain, with thunderstorms also possible after 4pm. Mostly cloudy, with a high near 59. East northeast wind 6 to 9 mph. Chance of precipitation is 50%.
Wednesday Night
Rain and possibly a thunderstorm before 1am, then rain likely. Low around 49. East wind around 8 mph. Chance of precipitation is 80%.
Thursday
A 50 percent chance of rain. Cloudy, then gradually becoming mostly sunny, with a high near 65.
Thursday Night
Partly cloudy, with a low around 47.
Friday
A 20 percent chance of rain after 1pm. Partly sunny, with a high near 69.
Friday Night
Rain and possibly a thunderstorm. Low around 50. Chance of precipitation is 90%.
Saturday
Rain likely and possibly a thunderstorm before 1pm, then a chance of rain and thunderstorms after 1pm. Mostly cloudy, with a high near 57. Chance of precipitation is 60%.
Saturday Night
A slight chance of rain and snow. Mostly cloudy, with a low around 31. Chance of precipitation is 20%.
Sunday
Partly sunny, with a high near 46.
Sunday Night
Partly cloudy, with a low around 32.
Monday
Mostly sunny, with a high near 55.
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ABOUT THIS FORECAST

 
Point Forecast:
Chilton WI
 44.02°N 88.17°W (Elev. 850 ft)
12:17 am CDT Apr 14, 2026
12am CDT Apr 14, 2026-6pm CDT Apr 20, 2026
 
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Additional Resources

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