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Hazardous Weather Conditions

Current conditions at

Wittman Regional Airport (KOSH)

Lat: 43.97°NLon: 88.56°WElev: 801ft.

Mostly Cloudy

51°F

11°C

Humidity 61%
Wind Speed S 8 mph
Barometer 29.85 in (1010.4 mb)
Dewpoint 38°F (3°C)
Visibility 10.00 mi
Wind Chill48°F (9°C)
Last update 15 May 5:53 am CDT
Extended Forecast for

5 Miles S Eureka WI

  • Today

    Today: Mostly sunny, with a high near 79. South southwest wind 13 to 18 mph, with gusts as high as 28 mph.

    High: 79 °F

    Mostly Sunny

  • Tonight

    Tonight: A chance of showers before 1am, then a chance of showers and thunderstorms between 1am and 4am, then a slight chance of showers after 4am. Increasing clouds, with a low around 56. South wind 9 to 14 mph, with gusts as high as 22 mph. Chance of precipitation is 50%. New rainfall amounts between a tenth and quarter of an inch, except higher amounts possible in thunderstorms.

    Low: 56 °F

    Slight Chance
    Showers then
    Chance
    Showers

  • Saturday

    Saturday: Mostly sunny, with a high near 82. West wind 8 to 14 mph, with gusts as high as 20 mph.

    High: 82 °F

    Mostly Sunny

  • Saturday Night

    Saturday Night: A chance of showers between 1am and 4am, then a chance of showers and thunderstorms after 4am. Increasing clouds, with a low around 53. Calm wind becoming east northeast 5 to 8 mph after midnight. Chance of precipitation is 30%.

    Low: 53 °F

    Partly Cloudy
    then Chance
    Showers

  • Sunday

    Sunday: Showers likely and possibly a thunderstorm before 7am, then showers likely between 7am and 10am, then showers likely and possibly a thunderstorm after 10am. Mostly cloudy, with a high near 77. Southeast wind 11 to 16 mph, with gusts as high as 28 mph. Chance of precipitation is 70%.

    High: 77 °F

    Showers
    Likely

  • Sunday Night

    Sunday Night: A chance of showers, with thunderstorms also possible after 10pm. Partly cloudy, with a low around 62. Chance of precipitation is 30%.

    Low: 62 °F

    Chance
    Showers

  • Monday

    Monday: A chance of showers and thunderstorms, then showers and possibly a thunderstorm after 1pm. High near 84. Chance of precipitation is 80%.

    High: 84 °F

    Chance
    T-storms then
    Showers

  • Monday Night

    Monday Night: Showers likely and possibly a thunderstorm. Mostly cloudy, with a low around 62. Chance of precipitation is 70%.

    Low: 62 °F

    Showers
    Likely

  • Tuesday

    Tuesday: A chance of showers and thunderstorms, then showers likely and possibly a thunderstorm after 1pm. Partly sunny, with a high near 79. Breezy. Chance of precipitation is 60%.

    High: 79 °F

    Showers
    Likely and
    Breezy

Detailed Forecast

Today
Mostly sunny, with a high near 79. South southwest wind 13 to 18 mph, with gusts as high as 28 mph.
Tonight
A chance of showers before 1am, then a chance of showers and thunderstorms between 1am and 4am, then a slight chance of showers after 4am. Increasing clouds, with a low around 56. South wind 9 to 14 mph, with gusts as high as 22 mph. Chance of precipitation is 50%. New rainfall amounts between a tenth and quarter of an inch, except higher amounts possible in thunderstorms.
Saturday
Mostly sunny, with a high near 82. West wind 8 to 14 mph, with gusts as high as 20 mph.
Saturday Night
A chance of showers between 1am and 4am, then a chance of showers and thunderstorms after 4am. Increasing clouds, with a low around 53. Calm wind becoming east northeast 5 to 8 mph after midnight. Chance of precipitation is 30%.
Sunday
Showers likely and possibly a thunderstorm before 7am, then showers likely between 7am and 10am, then showers likely and possibly a thunderstorm after 10am. Mostly cloudy, with a high near 77. Southeast wind 11 to 16 mph, with gusts as high as 28 mph. Chance of precipitation is 70%.
Sunday Night
A chance of showers, with thunderstorms also possible after 10pm. Partly cloudy, with a low around 62. Chance of precipitation is 30%.
Monday
A chance of showers and thunderstorms, then showers and possibly a thunderstorm after 1pm. High near 84. Chance of precipitation is 80%.
Monday Night
Showers likely and possibly a thunderstorm. Mostly cloudy, with a low around 62. Chance of precipitation is 70%.
Tuesday
A chance of showers and thunderstorms, then showers likely and possibly a thunderstorm after 1pm. Partly sunny, with a high near 79. Breezy. Chance of precipitation is 60%.
Tuesday Night
A 20 percent chance of showers and thunderstorms before 1am. Mostly cloudy, with a low around 47.
Wednesday
Mostly sunny, with a high near 64.
Wednesday Night
Partly cloudy, with a low around 43.
Thursday
Partly sunny, with a high near 67.
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Forecast Area
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ABOUT THIS FORECAST

 
Point Forecast:
5 Miles S Eureka WI
 43.92°N 88.84°W (Elev. 850 ft)
Last Update:
5:47 am CDT May 15, 2026
Forecast Valid:
6am CDT May 15, 2026-6pm CDT May 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