Hazardous Weather Conditions
Current conditions at
Wittman Regional Airport (KOSH)
Lat: 43.97°NLon: 88.56°WElev: 801ft.
Fog/Mist
37°F
3°C
| Humidity | 100% |
| Wind Speed | SE 5 mph |
| Barometer | 29.79 in (1009.7 mb) |
| Dewpoint | 37°F (3°C) |
| Visibility | 1.00 mi |
| Wind Chill | 33°F (1°C) |
| Last update | 27 Dec 11:53 pm CST |
Extended Forecast for
Chilton WI
Winter Storm Warning December 29, 12:00am until December 29, 06:00pm
Overnight

Low: 39 °F
Chance Rain
and Patchy
FogSunday
High: 40 °F
Rain Likely
and Areas Fog
then RainSunday Night
Low: 18 °F
Rain/Snow and
Blowing SnowMonday
High: 23 °F
Snow Likely
and Areas
Blowing SnowMonday Night
Low: 8 °F
Patchy
Blowing Snow
and Blustery
then Partly
CloudyTuesday
High: 21 °F
Mostly Sunny
then Chance
SnowTuesday Night
Low: 15 °F
Slight Chance
Snow then
Mostly CloudyWednesday
High: 20 °F
Mostly Cloudy
then Slight
Chance SnowWednesday Night

Low: 2 °F
Chance Snow
Detailed Forecast
Overnight
A 40 percent chance of rain, mainly before 3am. Patchy fog. Otherwise, cloudy, with a steady temperature around 39. East southeast wind 6 to 10 mph.
Sunday
A slight chance of drizzle before 7am, then rain, mainly after 11am. Areas of fog before noon. High near 40. East wind 5 to 9 mph becoming north northwest in the afternoon. Chance of precipitation is 100%. New precipitation amounts between a tenth and quarter of an inch possible.
Sunday Night
Rain and snow, becoming all snow after 9pm. The snow could be heavy at times. Widespread blowing snow, mainly after midnight. Low around 18. Windy, with a west wind 10 to 15 mph increasing to 23 to 28 mph after midnight. Winds could gust as high as 45 mph. Chance of precipitation is 100%. New snow accumulation of 3 to 7 inches possible.
Monday
Snow likely before noon. Areas of blowing snow before 5pm. Mostly cloudy, with a high near 23. Windy, with a northwest wind 22 to 28 mph, with gusts as high as 44 mph. Chance of precipitation is 70%. New snow accumulation of around an inch possible.
Monday Night
Patchy blowing snow before midnight. Partly cloudy, with a low around 8. Blustery, with a northwest wind 16 to 24 mph, with gusts as high as 31 mph.
Tuesday
A 30 percent chance of snow after noon. Partly sunny, with a high near 21.
Tuesday Night
A 20 percent chance of snow before midnight. Mostly cloudy, with a low around 15.
Wednesday
A 20 percent chance of snow after noon. Mostly cloudy, with a high near 20.
Wednesday Night
A 30 percent chance of snow, mainly before midnight. Mostly cloudy, with a low around 2.
New Year's Day
Sunny, with a high near 11.
Thursday Night
Mostly clear, with a low around 1.
Friday
Mostly sunny, with a high near 16.
Friday Night
Mostly cloudy, with a low around 8.
Saturday
Mostly sunny, with a high near 24.
Additional Forecasts and Information
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ABOUT THIS FORECAST
Point Forecast:
Chilton WI
44.02°N 88.17°W (Elev. 850 ft)
44.02°N 88.17°W (Elev. 850 ft)
11:56 pm CST Dec 27, 2025
12am CST Dec 28, 2025-6pm CST Jan 3, 2026



