Excessive Rainfall Potential for the Southeast; Heat Expands for Center of the Nation; Critical Fire Weather for Pacific Northwest

Flash flooding threatens areas from the Tennessee Valley to the Carolinas as storms repeat along a stalled front. Monsoonal storms may trigger flooding in the Southwest. Dangerous heat expands across the Desert Southwest, Plains, mid-Mississippi Valley and Southern Tier. Critical fire weather for interior Pacific Northwest. Cooler, drier air brings brief relief to the Great Lakes and Northeast. Read More >

Current conditions at

Wittman Regional Airport (KOSH)

Lat: 43.97°NLon: 88.56°WElev: 801ft.

Mostly Cloudy

71°F

22°C

Humidity 94%
Wind Speed S 3 mph
Barometer 29.89 in (1010.8 mb)
Dewpoint 69°F (21°C)
Visibility 10.00 mi
Last update 26 Jul 4:53 am CDT
Extended Forecast for

4 Miles W Eldorado WI

Heat Advisory July 26, 12:00pm until July 26, 09:00pm
Click here for hazard details and duration
Heat Advisory
  • Today

    Today: Mostly cloudy, then gradually becoming sunny and hot, with a high near 91. Heat index values as high as 101. Southwest wind 5 to 10 mph becoming southeast in the morning.

    High: 91 °F

    Hot

  • Tonight

    Tonight: A chance of showers and thunderstorms, then showers likely and possibly a thunderstorm after 4am.  Increasing clouds, with a low around 70. Southwest wind around 5 mph.  Chance of precipitation is 60%. New rainfall amounts between a quarter and half of an inch possible.

    Low: 70 °F

    Chance
    T-storms then
    Showers
    Likely

  • Monday

    Monday: A 40 percent chance of showers and thunderstorms, mainly before 10am.  Mostly cloudy, then gradually becoming sunny, with a high near 88. Heat index values as high as 95. Southwest wind 5 to 10 mph.

    High: 88 °F

    Chance
    T-storms then
    Mostly Sunny

  • Monday Night

    Monday Night: A chance of showers and thunderstorms before 7pm, then a slight chance of showers between 7pm and 1am.  Partly cloudy, with a low around 64. North wind around 10 mph.  Chance of precipitation is 30%.

    Low: 64 °F

    Chance
    T-storms then
    Slight Chance
    Showers

  • Tuesday

    Tuesday: Sunny, with a high near 83. North wind around 10 mph.

    High: 83 °F

    Sunny

  • Tuesday Night

    Tuesday Night: Mostly clear, with a low around 59. Northeast wind around 5 mph becoming calm  in the evening.

    Low: 59 °F

    Mostly Clear

  • Wednesday

    Wednesday: Sunny, with a high near 84. Northeast wind around 5 mph.

    High: 84 °F

    Sunny

  • Wednesday Night

    Wednesday Night: Mostly clear, with a low around 60. East wind around 5 mph becoming south after midnight.

    Low: 60 °F

    Mostly Clear

  • Thursday

    Thursday: A 20 percent chance of showers after 1pm.  Mostly sunny, with a high near 85.

    High: 85 °F

    Sunny then
    Slight Chance
    Showers

Detailed Forecast

Today
Mostly cloudy, then gradually becoming sunny and hot, with a high near 91. Heat index values as high as 101. Southwest wind 5 to 10 mph becoming southeast in the morning.
Tonight
A chance of showers and thunderstorms, then showers likely and possibly a thunderstorm after 4am. Increasing clouds, with a low around 70. Southwest wind around 5 mph. Chance of precipitation is 60%. New rainfall amounts between a quarter and half of an inch possible.
Monday
A 40 percent chance of showers and thunderstorms, mainly before 10am. Mostly cloudy, then gradually becoming sunny, with a high near 88. Heat index values as high as 95. Southwest wind 5 to 10 mph.
Monday Night
A chance of showers and thunderstorms before 7pm, then a slight chance of showers between 7pm and 1am. Partly cloudy, with a low around 64. North wind around 10 mph. Chance of precipitation is 30%.
Tuesday
Sunny, with a high near 83. North wind around 10 mph.
Tuesday Night
Mostly clear, with a low around 59. Northeast wind around 5 mph becoming calm in the evening.
Wednesday
Sunny, with a high near 84. Northeast wind around 5 mph.
Wednesday Night
Mostly clear, with a low around 60. East wind around 5 mph becoming south after midnight.
Thursday
A 20 percent chance of showers after 1pm. Mostly sunny, with a high near 85.
Thursday Night
A slight chance of showers and thunderstorms. Mostly cloudy, with a low around 64. Chance of precipitation is 20%.
Friday
A 30 percent chance of showers. Partly sunny, with a high near 84.
Friday Night
A 30 percent chance of showers and thunderstorms. Partly cloudy, with a low around 63.
Saturday
A 20 percent chance of showers and thunderstorms. Mostly sunny, with a high near 84.
Basemap Options
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ABOUT THIS FORECAST

 
Point Forecast:
4 Miles W Eldorado WI
 43.85°N 88.72°W (Elev. 892 ft)
5:13 am CDT Jul 26, 2026
5am CDT Jul 26, 2026-6pm CDT Aug 1, 2026
 
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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