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

Canadian, Hemphill County Airport (KHHF)

Lat: 35.9°NLon: 100.4°WElev: 2395ft.

Fair with Haze

99°F

37°C

Humidity 31%
Wind Speed NE 13 G 21 mph
Barometer 30.01 in
Dewpoint 63°F (17°C)
Visibility 2.50 mi
Heat Index101°F (38°C)
Last update 22 Aug 5:55 pm CDT
Extended Forecast for

Shamrock TX

Heat Advisory August 23, 12:00pm until August 23, 09:00pm
Heat Advisory August 22, 06:08pm until August 22, 09:00pm
Click here for hazard details and duration
Heat Advisory
...
  •  
    Heat Advisory August 22, 06:08pm until August 22, 09:00pm

    NOW until 9:00pm Sat

    Heat Advisory

  • Tonight

    Low: 73 °F

    Slight Chance
    T-storms then
    Mostly Clear

  • Sunday

    Sunday: Mostly sunny and hot, with a high near 107. North wind 5 to 15 mph becoming south in the afternoon. Winds could gust as high as 20 mph.

    High: 107 °F

    Hot

  • Sunday Night

    Sunday 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

  • Monday

    Monday: Sunny and hot, with a high near 107. West southwest wind 10 to 15 mph, with gusts as high as 20 mph.

    High: 107 °F

    Hot

  • Monday Night

    Monday Night: Mostly clear, with a low around 74. South southeast wind 5 to 10 mph becoming west after midnight.

    Low: 74 °F

    Mostly Clear

  • Tuesday

    Tuesday: Sunny and hot, with a high near 104. West northwest wind 5 to 10 mph becoming east northeast in the afternoon.

    High: 104 °F

    Hot

  • Tuesday Night

    Tuesday Night: A 30 percent chance of showers and thunderstorms, mainly after 1am.  Partly cloudy, with a low around 71. East wind 5 to 10 mph becoming north after midnight.

    Low: 71 °F

    Slight Chance
    T-storms then
    Chance
    Showers

  • Wednesday

    Wednesday: A 20 percent chance of showers and thunderstorms after 1pm.  Mostly sunny and hot, with a high near 99. North wind 5 to 10 mph becoming east northeast in the afternoon.

    High: 99 °F

    Mostly Sunny
    then Slight
    Chance
    T-storms

Detailed Forecast

Tonight
A 10 percent chance of showers and thunderstorms before 7pm. Mostly clear, with a low around 73. South wind around 5 mph becoming north after midnight.
Sunday
Mostly sunny and hot, with a high near 107. North wind 5 to 15 mph becoming south in the afternoon. Winds could gust as high as 20 mph.
Sunday Night
Mostly clear, with a low around 79. South wind 10 to 15 mph, with gusts as high as 20 mph.
Monday
Sunny and hot, with a high near 107. West southwest wind 10 to 15 mph, with gusts as high as 20 mph.
Monday Night
Mostly clear, with a low around 74. South southeast wind 5 to 10 mph becoming west after midnight.
Tuesday
Sunny and hot, with a high near 104. West northwest wind 5 to 10 mph becoming east northeast in the afternoon.
Tuesday Night
A 30 percent chance of showers and thunderstorms, mainly after 1am. Partly cloudy, with a low around 71. East wind 5 to 10 mph becoming north after midnight.
Wednesday
A 20 percent chance of showers and thunderstorms after 1pm. Mostly sunny and hot, with a high near 99. North wind 5 to 10 mph becoming east northeast in the afternoon.
Wednesday Night
A 30 percent chance of showers and thunderstorms, mainly after 1am. Partly cloudy, with a low around 69. East wind around 5 mph becoming calm in the evening.
Thursday
A 20 percent chance of showers before 1pm. Mostly sunny and hot, with a high near 98.
Thursday Night
Mostly clear, with a low around 69.
Friday
Sunny and hot, with a high near 100.
Friday Night
Mostly clear, with a low around 73.
Saturday
Sunny and hot, with a high near 103.
Basemap Options
Click map to change the forecast location
Loading map...

ABOUT THIS FORECAST

 
Point Forecast:
Shamrock TX
 35.21°N 100.25°W (Elev. 2300 ft)
4:46 pm CDT Aug 22, 2026
6pm CDT Aug 22, 2026-6pm CDT Aug 29, 2026
 
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