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

Hazardous Weather Conditions

Current conditions at

Wittman Regional Airport (KOSH)

Lat: 43.97°NLon: 88.56°WElev: 801ft.

Partly Cloudy

-13°F

-25°C

Humidity 41%
Wind Speed NW 18 G 28 mph
Barometer 30.43 in (1034.3 mb)
Dewpoint -30°F (-34°C)
Visibility 7.00 mi
Wind Chill-38°F (-39°C)
Last update 23 Jan 2:53 am CST
Extended Forecast for

Eureka WI

Extreme Cold Warning until January 24, 06:00am
Click here for hazard details and duration
Extreme Cold Warning
  •  
    Extreme Cold Warning until January 24, 06:00am

    NOW until 6:00am Sat

    Extreme Cold Warning

  • Overnight

    Low: -17 °F

    Mostly Clear

  • Friday

    Friday: Sunny and cold, with a high near -8. Wind chill values between -30 and -40. West northwest wind 10 to 16 mph, with gusts as high as 25 mph.

    High: -8 °F

    Cold

  • Friday Night

    Friday Night: Increasing clouds, with a low around -19. Wind chill values between -25 and -35. West northwest wind 3 to 8 mph.

    Low: -19 °F

    Increasing
    Clouds

  • Saturday

    Saturday: A chance of flurries after noon. Mostly cloudy and cold, with a high near 1. Wind chill values between -10 and -20. Light and variable wind.

    High: 1 °F

    Chance
    Flurries

  • Saturday Night

    Saturday Night: A chance of flurries before midnight, then a slight chance of snow after midnight. Mostly cloudy, with a low around -6. Light and variable wind. Chance of precipitation is 20%.

    Low: -6 °F

    Mostly Cloudy
    then Slight
    Chance Snow

  • Sunday

    Sunday: A 20 percent chance of snow. Mostly cloudy and cold, with a high near 10.

    High: 10 °F

    Slight Chance
    Snow

  • Sunday Night

    Sunday Night: A slight chance of snow before midnight, then a chance of flurries after midnight. Mostly cloudy, with a low around -6. Chance of precipitation is 20%.

    Low: -6 °F

    Slight Chance
    Snow then
    Partly Cloudy

  • Monday

    Monday: Mostly sunny and cold, with a high near 9.

    High: 9 °F

    Cold

Detailed Forecast

Overnight
Mostly clear, with a low around -17. Wind chill values between -35 and -40. West northwest wind around 15 mph, with gusts as high as 24 mph.
Friday
Sunny and cold, with a high near -8. Wind chill values between -30 and -40. West northwest wind 10 to 16 mph, with gusts as high as 25 mph.
Friday Night
Increasing clouds, with a low around -19. Wind chill values between -25 and -35. West northwest wind 3 to 8 mph.
Saturday
A chance of flurries after noon. Mostly cloudy and cold, with a high near 1. Wind chill values between -10 and -20. Light and variable wind.
Saturday Night
A chance of flurries before midnight, then a slight chance of snow after midnight. Mostly cloudy, with a low around -6. Light and variable wind. Chance of precipitation is 20%.
Sunday
A 20 percent chance of snow. Mostly cloudy and cold, with a high near 10.
Sunday Night
A slight chance of snow before midnight, then a chance of flurries after midnight. Mostly cloudy, with a low around -6. Chance of precipitation is 20%.
Monday
Mostly sunny and cold, with a high near 9.
Monday Night
Mostly cloudy, with a low around 1.
Tuesday
Mostly sunny, with a high near 15.
Tuesday Night
A chance of flurries. Mostly cloudy, with a low around 0.
Wednesday
A chance of flurries. Mostly sunny, with a high near 12.
Wednesday Night
Partly cloudy, with a low around -5.
Thursday
Mostly sunny and cold, with a high near 10.
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Forecast Area
Tiles ©ESRI

ABOUT THIS FORECAST

 
Point Forecast:
Eureka WI
 44°N 88.83°W (Elev. 797 ft)
Last Update:
2:51 am CST Jan 23, 2026
Forecast Valid:
3am CST Jan 23, 2026-6pm CST Jan 29, 2026
 
Forecast Discussion
 
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Additional Resources

Radar & Satellite Image

Link to Local Radar Data Link to Satellite Data

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