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 >

Current conditions at

Terrell, Terrell Municipal Airport (KTRL)

Lat: 32.71°NLon: 96.27°WElev: 472ft.

Fair

99°F

37°C

Humidity 41%
Wind Speed Vrbl 6 mph
Barometer 30.06 in (1017.1 mb)
Dewpoint 71°F (22°C)
Visibility 10.00 mi
Heat Index108°F (42°C)
Last update 21 Aug 11:53 am CDT
Extended Forecast for

6 Miles S Quinlan TX

Extreme Heat Warning August 21, 12:20pm until August 21, 08:00pm
Click here for hazard details and duration
Extreme Heat Warning
  •  
    Extreme Heat Warning August 21, 12:20pm until August 21, 08:00pm

    NOW until 8:00pm Fri

    Extreme Heat Warning

  • This Afternoon

    High: 106 °F

    Slight Chance
    T-storms

  • Tonight

    Tonight: A 20 percent chance of showers and thunderstorms before 1am.  Partly cloudy, with a low around 78. Southeast wind around 5 mph becoming south southwest in the evening.

    Low: 78 °F

    Slight Chance
    T-storms

  • Saturday

    Saturday: Mostly sunny and hot, with a high near 106. Heat index values as high as 109. South southeast wind around 5 mph becoming southwest in the morning.

    High: 106 °F

    Hot

  • Saturday Night

    Saturday Night: Partly cloudy, with a low around 78. South southeast wind around 5 mph.

    Low: 78 °F

    Partly Cloudy

  • Sunday

    Sunday: Mostly sunny and hot, with a high near 106. South southwest wind around 5 mph.

    High: 106 °F

    Hot

  • Sunday Night

    Sunday Night: Partly cloudy, with a low around 80. South wind around 5 mph.

    Low: 80 °F

    Partly Cloudy

  • Monday

    Monday: Sunny and hot, with a high near 105. South southwest wind around 10 mph, with gusts as high as 20 mph.

    High: 105 °F

    Hot

  • Monday Night

    Monday Night: Mostly clear, with a low around 79. South wind 10 to 15 mph, with gusts as high as 20 mph.

    Low: 79 °F

    Mostly Clear

Detailed Forecast

This Afternoon
A 20 percent chance of showers and thunderstorms after 1pm. Mostly sunny and hot, with a high near 106. Heat index values as high as 109. South wind around 5 mph.
Tonight
A 20 percent chance of showers and thunderstorms before 1am. Partly cloudy, with a low around 78. Southeast wind around 5 mph becoming south southwest in the evening.
Saturday
Mostly sunny and hot, with a high near 106. Heat index values as high as 109. South southeast wind around 5 mph becoming southwest in the morning.
Saturday Night
Partly cloudy, with a low around 78. South southeast wind around 5 mph.
Sunday
Mostly sunny and hot, with a high near 106. South southwest wind around 5 mph.
Sunday Night
Partly cloudy, with a low around 80. South wind around 5 mph.
Monday
Sunny and hot, with a high near 105. South southwest wind around 10 mph, with gusts as high as 20 mph.
Monday Night
Mostly clear, with a low around 79. South wind 10 to 15 mph, with gusts as high as 20 mph.
Tuesday
Sunny and hot, with a high near 106. South southwest wind around 10 mph, with gusts as high as 20 mph.
Tuesday Night
Mostly clear, with a low around 79.
Wednesday
A 20 percent chance of showers. Sunny and hot, with a high near 104.
Wednesday Night
Mostly clear, with a low around 75.
Thursday
A 20 percent chance of showers and thunderstorms. Sunny and hot, with a high near 101.
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ABOUT THIS FORECAST

 
Point Forecast:
6 Miles S Quinlan TX
 32.81°N 96.13°W (Elev. 499 ft)
6:12 am CDT Aug 21, 2026
12pm CDT Aug 21, 2026-6pm CDT Aug 27, 2026
 
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Additional Resources

Radar & Satellite Image

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Hourly Weather Forecast

National Digital Forecast Database