Heat Wave Persists Over the Central U.S.; Significant Flooding Expected in the Northern Mid-Atlantic Tuesday

Dangerous and extreme heat will remain across portions of the Central U.S. this week, persisting across the Mid to Lower Mississippi Valleys, Gulf Coast, Southern Plains and portions of Texas. A heat wave over the Southwest will intensify late this week. Severe thunderstorms and flash flooding will spread from the Great Lakes/Ohio Valley to the Mid-Atlantic and Northeast the next few days. Read More >

Hazardous Weather Conditions

Current conditions at

Idabel, Mc Curtain County Regional Airport (K4O4)

Lat: 33.91°NLon: 94.86°WElev: 472ft.

Mostly Cloudy

82°F

28°C

Humidity 74%
Wind Speed S 6 mph
Barometer 29.88 in
Dewpoint 73°F (23°C)
Visibility 9.00 mi
Heat Index87°F (31°C)
Last update 28 Jul 12:15 am CDT
Extended Forecast for

De Kalb TX

Heat Advisory July 28, 12:20am until July 28, 08:00pm
Click here for hazard details and duration
Heat Advisory
  •  
    Heat Advisory July 28, 12:20am until July 28, 08:00pm

    NOW until 8:00pm Tue

    Heat Advisory

  • Overnight

    Low: 76 °F

    Mostly Clear

  • Tuesday

    Tuesday: Sunny and hot, with a high near 97. Heat index values as high as 109. Southwest wind 5 to 10 mph.

    High: 97 °F

    Hot

  • Tuesday Night

    Tuesday Night: Partly cloudy, with a low around 77. Southwest wind around 5 mph.

    Low: 77 °F

    Partly Cloudy

  • Wednesday

    Wednesday: Mostly sunny and hot, with a high near 97. Heat index values as high as 111. Southwest wind around 5 mph becoming south in the afternoon.

    High: 97 °F

    Hot

  • Wednesday Night

    Wednesday Night: Partly cloudy, with a low around 77. Calm wind becoming east around 5 mph.

    Low: 77 °F

    Partly Cloudy

  • Thursday

    Thursday: A 20 percent chance of showers and thunderstorms after 1pm.  Mostly sunny and hot, with a high near 95.

    High: 95 °F

    Mostly Sunny
    then Slight
    Chance
    T-storms

  • Thursday Night

    Thursday Night: Mostly cloudy, with a low around 76.

    Low: 76 °F

    Mostly Cloudy

  • Friday

    Friday: Partly sunny and hot, with a high near 96.

    High: 96 °F

    Hot

Detailed Forecast

Overnight
Mostly clear, with a low around 76. South wind around 5 mph.
Tuesday
Sunny and hot, with a high near 97. Heat index values as high as 109. Southwest wind 5 to 10 mph.
Tuesday Night
Partly cloudy, with a low around 77. Southwest wind around 5 mph.
Wednesday
Mostly sunny and hot, with a high near 97. Heat index values as high as 111. Southwest wind around 5 mph becoming south in the afternoon.
Wednesday Night
Partly cloudy, with a low around 77. Calm wind becoming east around 5 mph.
Thursday
A 20 percent chance of showers and thunderstorms after 1pm. Mostly sunny and hot, with a high near 95.
Thursday Night
Mostly cloudy, with a low around 76.
Friday
Partly sunny and hot, with a high near 96.
Friday Night
Partly cloudy, with a low around 77.
Saturday
Sunny, with a high near 94.
Saturday Night
Mostly clear, with a low around 73.
Sunday
Sunny, with a high near 92.
Sunday Night
Mostly clear, with a low around 73.
Monday
Sunny, with a high near 93.
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ABOUT THIS FORECAST

 
Point Forecast:
De Kalb TX
 33.51°N 94.62°W (Elev. 404 ft)
12:05 am CDT Jul 28, 2026
12am CDT Jul 28, 2026-6pm CDT Aug 3, 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