Thunderstorms and Heavy Rainfall in the Southeast, Montana, and Iowa; Lowell Begins to Impact Hawaii

Strong thunderstorms with damaging winds and heavy rain are expected across portions of the Southeast. Thunderstorms may produce large hail across portions of Montana. Heavy rainfall could produce flash flooding across Iowa and vulnerable areas in Utah. Lowell will bring heavy rain, dangerous swells and rip currents to portions of Hawaii. Sweltering heat persists across the South-Central US. Read More >

Current conditions at

Idabel, Mc Curtain County Regional Airport (K4O4)

Lat: 33.91°NLon: 94.86°WElev: 472ft.

A Few Clouds

100°F

38°C

Humidity 40%
Wind Speed Vrbl 6 mph
Barometer 29.87 in
Dewpoint 72°F (22°C)
Visibility 8.00 mi
Heat Index109°F (43°C)
Last update 6 Sep 3:15 pm CDT
Extended Forecast for

De Kalb TX

Heat Advisory September 7, 10:00am until September 7, 07:00pm
Heat Advisory September 6, 03:18pm until September 6, 07:00pm
Click here for hazard details and duration
Heat Advisory
Heat Advisory
  •  
    Heat Advisory September 6, 03:18pm until September 6, 07:00pm

    NOW until 7:00pm Sun

    Heat Advisory

  • This Afternoon

    High: 100 °F

    Slight Chance
    T-storms

  • Tonight

    Tonight: A 10 percent chance of showers and thunderstorms before 7pm.  Partly cloudy, with a low around 75. South wind around 5 mph becoming calm.

    Low: 75 °F

    Slight Chance
    T-storms then
    Partly Cloudy

  • Labor Day

    Labor Day: Sunny and hot, with a high near 100. Heat index values as high as 111. Calm wind becoming east around 5 mph in the afternoon.

    High: 100 °F

    Hot

  • Monday Night

    Monday Night: Mostly clear, with a low around 73. Southeast wind around 5 mph becoming calm  in the evening.

    Low: 73 °F

    Mostly Clear

  • Tuesday

    Tuesday: Sunny and hot, with a high near 100. Calm wind becoming southeast around 5 mph in the afternoon.

    High: 100 °F

    Hot

  • Tuesday Night

    Tuesday Night: Mostly clear, with a low around 73.

    Low: 73 °F

    Mostly Clear

  • Wednesday

    Wednesday: Sunny and hot, with a high near 99.

    High: 99 °F

    Hot

  • Wednesday Night

    Wednesday Night: Mostly clear, with a low around 73.

    Low: 73 °F

    Mostly Clear

Detailed Forecast

This Afternoon
A slight chance of showers, with thunderstorms also possible after 4pm. Mostly sunny and hot, with a high near 100. Heat index values as high as 111. Southeast wind around 5 mph. Chance of precipitation is 20%.
Tonight
A 10 percent chance of showers and thunderstorms before 7pm. Partly cloudy, with a low around 75. South wind around 5 mph becoming calm.
Labor Day
Sunny and hot, with a high near 100. Heat index values as high as 111. Calm wind becoming east around 5 mph in the afternoon.
Monday Night
Mostly clear, with a low around 73. Southeast wind around 5 mph becoming calm in the evening.
Tuesday
Sunny and hot, with a high near 100. Calm wind becoming southeast around 5 mph in the afternoon.
Tuesday Night
Mostly clear, with a low around 73.
Wednesday
Sunny and hot, with a high near 99.
Wednesday Night
Mostly clear, with a low around 73.
Thursday
A 20 percent chance of showers and thunderstorms after 1pm. Sunny and hot, with a high near 97.
Thursday Night
Partly cloudy, with a low around 73.
Friday
A 20 percent chance of showers and thunderstorms. Mostly sunny and hot, with a high near 96.
Friday Night
A 20 percent chance of showers. Partly cloudy, with a low around 72.
Saturday
Mostly sunny and hot, with a high near 96.
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ABOUT THIS FORECAST

 
Point Forecast:
De Kalb TX
 33.51°N 94.62°W (Elev. 404 ft)
1:25 pm CDT Sep 6, 2026
3pm CDT Sep 6, 2026-6pm CDT Sep 12, 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