National Oceanic and Atmospheric Administration National Weather Service United States Department of Commerce

Dangerous Heat over the South-Central and Southwest U.S. Through Next Week

Dangerous heat persists across the Desert Southwest through this weekend and across the Southern Plains and Lower Mississippi Valley through at least the middle of next week. Numerous daily record high temperatures are expected through at least Tuesday for much of Texas and Oklahoma as well as portions of Louisiana, New Mexico, and Arizona. Read More >

Hazardous Weather Conditions

Current conditions at

Idabel, Mc Curtain County Regional Airport (K4O4)

Lat: 33.91°NLon: 94.86°WElev: 472ft.

Overcast

77°F

25°C

Humidity 83%
Wind Speed E 8 mph
Barometer 29.99 in
Dewpoint 72°F (22°C)
Visibility 9.00 mi
Heat Index78°F (26°C)
Last update 23 Aug 3:35 am CDT
Extended Forecast for

9 Miles NNE De Kalb TX

Heat Advisory August 23, 03:45am until August 23, 08:00pm
Click here for hazard details and duration
Heat Advisory
  •  
    Heat Advisory August 23, 03:45am until August 23, 08:00pm

    NOW until 8:00pm Sun

    Heat Advisory

  • Overnight

    Low: 74 °F

    Slight Chance
    T-storms

  • Sunday

    Sunday: Mostly sunny and hot, with a high near 101. Heat index values as high as 110. East wind around 5 mph.

    High: 101 °F

    Hot

  • Sunday Night

    Sunday Night: Partly cloudy, with a low around 75. East wind around 5 mph.

    Low: 75 °F

    Partly Cloudy

  • Monday

    Monday: A 20 percent chance of showers before 1pm. Partly sunny and hot, with a high near 101. Heat index values as high as 109. South wind 5 to 10 mph.

    High: 101 °F

    Slight Chance
    Showers

  • Monday Night

    Monday Night: Partly cloudy, with a low around 75. South wind 5 to 10 mph.

    Low: 75 °F

    Partly Cloudy

  • Tuesday

    Tuesday: Mostly sunny and hot, with a high near 103.

    High: 103 °F

    Hot

  • Tuesday Night

    Tuesday Night: Partly cloudy, with a low around 75.

    Low: 75 °F

    Partly Cloudy

  • Wednesday

    Wednesday: A 20 percent chance of showers and thunderstorms after 1pm. Mostly sunny and hot, with a high near 100.

    High: 100 °F

    Mostly Sunny
    then Slight
    Chance
    T-storms

Detailed Forecast

Overnight
A 20 percent chance of showers and thunderstorms before 4am. Mostly cloudy, with a low around 74. East wind around 5 mph.
Sunday
Mostly sunny and hot, with a high near 101. Heat index values as high as 110. East wind around 5 mph.
Sunday Night
Partly cloudy, with a low around 75. East wind around 5 mph.
Monday
A 20 percent chance of showers before 1pm. Partly sunny and hot, with a high near 101. Heat index values as high as 109. South wind 5 to 10 mph.
Monday Night
Partly cloudy, with a low around 75. South wind 5 to 10 mph.
Tuesday
Mostly sunny and hot, with a high near 103.
Tuesday Night
Partly cloudy, with a low around 75.
Wednesday
A 20 percent chance of showers and thunderstorms after 1pm. Mostly sunny and hot, with a high near 100.
Wednesday Night
A 20 percent chance of showers and thunderstorms before 1am. Partly cloudy, with a low around 72.
Thursday
Mostly sunny and hot, with a high near 98.
Thursday Night
A 20 percent chance of showers and thunderstorms. Partly cloudy, with a low around 71.
Friday
Sunny and hot, with a high near 97.
Friday Night
Mostly clear, with a low around 72.
Saturday
Sunny and hot, with a high near 97.
Basemap Options
Click map to change the forecast location
Loading map...
Forecast Area
Tiles ©ESRI

ABOUT THIS FORECAST

 
Point Forecast:
9 Miles NNE De Kalb TX
 33.63°N 94.54°W (Elev. 315 ft)
Last Update:
1:40 am CDT Aug 23, 2026
Forecast Valid:
3am CDT Aug 23, 2026-6pm CDT Aug 29, 2026
 
Forecast Discussion
 
Get as KML Get as XML

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