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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 NW 3 mph
Barometer 29.75 in (1007.0 mb)
Dewpoint 55°F (13°C)
Visibility 4.00 mi
Last update 15 Apr 10:53 am CDT
Extended Forecast for

Eureka WI

  • Today

    Today: A chance of showers before 1pm, then a chance of showers and thunderstorms between 1pm and 4pm, then showers likely and possibly a thunderstorm after 4pm. Mostly cloudy, with a high near 64. East northeast wind 5 to 7 mph. Chance of precipitation is 60%. New rainfall amounts of less than a tenth of an inch, except higher amounts possible in thunderstorms.

    High: 64 °F

    Showers
    Likely

  • Tonight

    Tonight: Showers and thunderstorms likely before 11pm, then showers likely and possibly a thunderstorm between 11pm and 1am, then a chance of showers and thunderstorms after 1am. Patchy fog after 9pm. Otherwise, mostly cloudy, with a low around 49. East northeast wind 5 to 7 mph. Chance of precipitation is 70%. 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 before 10am, then a chance of showers between 10am and 1pm, then a chance of rain after 1pm. Areas of fog before 11am. Otherwise, cloudy, then gradually becoming mostly sunny, with a high near 64. North wind around 7 mph. Chance of precipitation is 50%. New precipitation amounts of less than a tenth of an inch, except higher amounts possible in thunderstorms.

    High: 64 °F

    Chance
    Showers and
    Areas Fog

  • Thursday Night

    Thursday Night: Mostly clear, with a low around 48. South southeast wind 3 to 5 mph.

    Low: 48 °F

    Mostly Clear

  • Friday

    Friday: A chance of rain between 1pm and 4pm, then a chance of rain and thunderstorms after 4pm. Partly sunny, with a high near 75. South southeast wind 6 to 15 mph, with gusts as high as 25 mph. Chance of precipitation is 30%.

    High: 75 °F

    Partly Sunny
    then Chance
    Rain

  • Friday Night

    Friday Night: Rain and possibly a thunderstorm before 1am, then rain likely. Low around 43. Chance of precipitation is 90%.

    Low: 43 °F

    Rain

  • Saturday

    Saturday: A 40 percent chance of rain. Mostly cloudy, with a high near 52.

    High: 52 °F

    Chance Rain

  • Saturday Night

    Saturday Night: A slight chance of rain before 10pm, then a slight chance of snow. Mostly cloudy, with a low around 30. Chance of precipitation is 20%.

    Low: 30 °F

    Slight Chance
    Rain/Snow
    then Slight
    Chance Snow

  • Sunday

    Sunday: A 20 percent chance of snow before 1pm. Mostly sunny, with a high near 47.

    High: 47 °F

    Slight Chance
    Snow

Detailed Forecast

Today
A chance of showers before 1pm, then a chance of showers and thunderstorms between 1pm and 4pm, then showers likely and possibly a thunderstorm after 4pm. Mostly cloudy, with a high near 64. East northeast wind 5 to 7 mph. Chance of precipitation is 60%. New rainfall amounts of less than a tenth of an inch, except higher amounts possible in thunderstorms.
Tonight
Showers and thunderstorms likely before 11pm, then showers likely and possibly a thunderstorm between 11pm and 1am, then a chance of showers and thunderstorms after 1am. Patchy fog after 9pm. Otherwise, mostly cloudy, with a low around 49. East northeast wind 5 to 7 mph. Chance of precipitation is 70%. New rainfall amounts between a quarter and half of an inch possible.
Thursday
A chance of showers and thunderstorms before 10am, then a chance of showers between 10am and 1pm, then a chance of rain after 1pm. Areas of fog before 11am. Otherwise, cloudy, then gradually becoming mostly sunny, with a high near 64. North wind around 7 mph. Chance of precipitation is 50%. New precipitation amounts of less than a tenth of an inch, except higher amounts possible in thunderstorms.
Thursday Night
Mostly clear, with a low around 48. South southeast wind 3 to 5 mph.
Friday
A chance of rain between 1pm and 4pm, then a chance of rain and thunderstorms after 4pm. Partly sunny, with a high near 75. South southeast wind 6 to 15 mph, with gusts as high as 25 mph. Chance of precipitation is 30%.
Friday Night
Rain and possibly a thunderstorm before 1am, then rain likely. Low around 43. Chance of precipitation is 90%.
Saturday
A 40 percent chance of rain. Mostly cloudy, with a high near 52.
Saturday Night
A slight chance of rain before 10pm, then a slight chance of snow. Mostly cloudy, with a low around 30. Chance of precipitation is 20%.
Sunday
A 20 percent chance of snow before 1pm. Mostly sunny, with a high near 47.
Sunday Night
Partly cloudy, with a low around 29.
Monday
Sunny, with a high near 56.
Monday Night
Partly cloudy, with a low around 43.
Tuesday
Mostly sunny, with a high near 67.
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Forecast Area
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ABOUT THIS FORECAST

 
Point Forecast:
Eureka WI
 44°N 88.83°W (Elev. 797 ft)
Last Update:
10:02 am CDT Apr 15, 2026
Forecast Valid:
11am 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