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Hazardous Weather Conditions

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

Eureka WI

Flood Watch April 15, 12:10am until April 15, 07:00am
Click here for hazard details and duration
Flood Watch
  •  
    Flood Watch April 15, 12:10am until April 15, 07:00am

    NOW until 7:00am Wed

    Flood Watch

  • Overnight

    Low: 58 °F

    Severe
    Thunderstorms
    and Patchy
    Fog

  • Wednesday

    Wednesday: A slight chance of showers, then a chance of showers and thunderstorms after 1pm. Areas of fog before 11am. Otherwise, mostly cloudy, with a high near 65. Light and variable wind becoming east northeast around 6 mph in the afternoon. Chance of precipitation is 40%.

    High: 65 °F

    Slight Chance
    Showers and
    Areas Fog
    then Chance
    T-storms

  • Wednesday Night

    Wednesday Night: Showers likely and possibly a thunderstorm before 1am, then a chance of showers and thunderstorms after 1am. Patchy fog between 9pm and 11pm. Otherwise, mostly cloudy, with a low around 49. East northeast wind around 8 mph. Chance of precipitation is 60%. New rainfall amounts between a quarter and half of an inch possible.

    Low: 49 °F

    Showers
    Likely and
    Patchy Fog

  • Thursday

    Thursday: A chance of showers and thunderstorms. Mostly cloudy, with a high near 64. North northeast wind around 7 mph. Chance of precipitation is 40%.

    High: 64 °F

    Chance
    Showers

  • Thursday Night

    Thursday Night: Partly cloudy, with a low around 48. Southeast wind around 5 mph.

    Low: 48 °F

    Partly Cloudy

  • Friday

    Friday: A 20 percent chance of showers after 1pm. Partly sunny, with a high near 74.

    High: 74 °F

    Partly Sunny
    then Slight
    Chance
    Showers

  • Friday Night

    Friday Night: Rain and possibly a thunderstorm. Low around 46. Chance of precipitation is 90%.

    Low: 46 °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 slight chance of showers and thunderstorms before 1am, then a slight chance of showers between 1am and 2am. Some of the storms could be severe. Patchy fog. Otherwise, mostly cloudy, with a steady temperature around 58. Light and variable wind. Chance of precipitation is 20%.
Wednesday
A slight chance of showers, then a chance of showers and thunderstorms after 1pm. Areas of fog before 11am. Otherwise, mostly cloudy, with a high near 65. Light and variable wind becoming east northeast around 6 mph 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 9pm and 11pm. Otherwise, mostly cloudy, with a low around 49. East northeast wind around 8 mph. Chance of precipitation is 60%. New rainfall amounts between a quarter and half of an inch possible.
Thursday
A chance of showers and thunderstorms. Mostly cloudy, with a high near 64. North northeast wind around 7 mph. Chance of precipitation is 40%.
Thursday Night
Partly cloudy, with a low around 48. Southeast wind around 5 mph.
Friday
A 20 percent chance of showers after 1pm. Partly sunny, with a high near 74.
Friday Night
Rain and possibly a thunderstorm. Low around 46. 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 slight chance of rain, mixing with snow after 10pm, then gradually ending. Mostly cloudy, with a low around 30. Chance of precipitation is 20%.
Sunday
Partly sunny, with a high near 46.
Sunday Night
Mostly clear, with a low around 30.
Monday
Sunny, with a high near 54.
Monday Night
Mostly clear, with a low around 36.
Tuesday
Mostly sunny, with a high near 63.
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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:
10:26 pm CDT Apr 14, 2026
Forecast Valid:
12am CDT Apr 15, 2026-6pm CDT Apr 21, 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