National Oceanic and Atmospheric Administration National Weather Service United States Department of Commerce
Current conditions at

Wittman Regional Airport (KOSH)

Lat: 43.97°NLon: 88.56°WElev: 801ft.

Mostly Cloudy

59°F

15°C

Humidity 90%
Wind Speed Calm
Barometer 30.27 in (1024.4 mb)
Dewpoint 56°F (13°C)
Visibility 10.00 mi
Last update 17 Sep 12:53 am CDT
Extended Forecast for

2 Miles E Chilton WI

  • Overnight

    Overnight: A slight chance of showers before 3am, then a chance of showers after 4am. Cloudy, with a low around 55. Calm wind becoming north around 6 mph. Chance of precipitation is 30%.

    Low: 55 °F

    Chance
    Showers

  • Thursday

    Thursday: A 30 percent chance of showers, mainly before 8am. Mostly cloudy, with a high near 71. Northeast wind around 6 mph.

    High: 71 °F

    Chance
    Showers then
    Mostly Cloudy

  • Thursday Night

    Thursday Night: Patchy fog between 11pm and 1am. Otherwise, partly cloudy, with a low around 52. East northeast wind around 5 mph becoming calm.

    Low: 52 °F

    Patchy Fog

  • Friday

    Friday: Showers likely, mainly after 5pm. Increasing clouds, with a high near 67. East wind 5 to 10 mph. Chance of precipitation is 60%.

    High: 67 °F

    Mostly Sunny
    then Showers
    Likely

  • Friday Night

    Friday Night: Showers, with thunderstorms also possible after 1am. Low around 58. East wind 10 to 15 mph, with gusts as high as 23 mph. Chance of precipitation is 100%.

    Low: 58 °F

    Showers

  • Saturday

    Saturday: Showers and possibly a thunderstorm. High near 66. Chance of precipitation is 100%.

    High: 66 °F

    Showers

  • Saturday Night

    Saturday Night: A 50 percent chance of showers, mainly before 1am. Mostly cloudy, with a low around 54.

    Low: 54 °F

    Chance
    Showers

  • Sunday

    Sunday: Partly sunny, with a high near 64.

    High: 64 °F

    Partly Sunny

  • Sunday Night

    Sunday Night: A 20 percent chance of showers after 1am. Mostly cloudy, with a low around 50.

    Low: 50 °F

    Mostly Cloudy
    then Slight
    Chance
    Showers

Detailed Forecast

Overnight
A slight chance of showers before 3am, then a chance of showers after 4am. Cloudy, with a low around 55. Calm wind becoming north around 6 mph. Chance of precipitation is 30%.
Thursday
A 30 percent chance of showers, mainly before 8am. Mostly cloudy, with a high near 71. Northeast wind around 6 mph.
Thursday Night
Patchy fog between 11pm and 1am. Otherwise, partly cloudy, with a low around 52. East northeast wind around 5 mph becoming calm.
Friday
Showers likely, mainly after 5pm. Increasing clouds, with a high near 67. East wind 5 to 10 mph. Chance of precipitation is 60%.
Friday Night
Showers, with thunderstorms also possible after 1am. Low around 58. East wind 10 to 15 mph, with gusts as high as 23 mph. Chance of precipitation is 100%.
Saturday
Showers and possibly a thunderstorm. High near 66. Chance of precipitation is 100%.
Saturday Night
A 50 percent chance of showers, mainly before 1am. Mostly cloudy, with a low around 54.
Sunday
Partly sunny, with a high near 64.
Sunday Night
A 20 percent chance of showers after 1am. Mostly cloudy, with a low around 50.
Monday
A 20 percent chance of showers. Mostly cloudy, with a high near 61.
Monday Night
Mostly cloudy, with a low around 48.
Tuesday
A 20 percent chance of showers. Partly sunny, with a high near 63.
Tuesday Night
Partly cloudy, with a low around 50.
Wednesday
Mostly sunny, with a high near 68.
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Forecast Area
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ABOUT THIS FORECAST

 
Point Forecast:
2 Miles E Chilton WI
 44.02°N 88.11°W (Elev. 840 ft)
Last Update:
1:21 am CDT Sep 17, 2026
Forecast Valid:
1am CDT Sep 17, 2026-6pm CDT Sep 23, 2026
 
Forecast Discussion
 
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Additional Resources

Radar & Satellite Image

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Hourly Weather Forecast

National Digital Forecast Database

National Digital Forecast Database Maximum Temperature Forecast

High Temperature

National Digital Forecast Database Weather Element Forecast

Chance of Precipitation