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

Alva, Alva Regional Airport (KAVK)

Lat: 36.77°NLon: 98.67°WElev: 1473ft.

Fair

100°F

38°C

Humidity 31%
Wind Speed S 17 mph
Barometer 29.97 in
Dewpoint 64°F (18°C)
Visibility 10.00 mi
Heat Index103°F (39°C)
Last update 21 Aug 4:15 pm CDT
Extended Forecast for

4 Miles NNE Avard OK

Heat Advisory August 21, 04:35pm until August 21, 09:00pm
Click here for hazard details and duration
...
  •  
    Heat Advisory August 21, 04:35pm until August 21, 09:00pm

    NOW until 9:00pm Fri

    Heat Advisory

  • Tonight

    Low: 74 °F

    Partly Cloudy

  • Saturday

    Saturday: Sunny, with a high near 96. East northeast wind 7 to 13 mph, with gusts as high as 20 mph.

    High: 96 °F

    Sunny

  • Saturday Night

    Saturday Night: Increasing clouds, with a low around 73. East wind 9 to 13 mph, with gusts as high as 20 mph.

    Low: 73 °F

    Increasing
    Clouds

  • Sunday

    Sunday: Cloudy through mid morning, then gradual clearing and hot, with a high near 102. East wind 9 to 14 mph, with gusts as high as 21 mph.

    High: 102 °F

    Hot

  • Sunday Night

    Sunday Night: Partly cloudy, with a low around 74. Southeast wind 10 to 16 mph, with gusts as high as 24 mph.

    Low: 74 °F

    Partly Cloudy

  • Monday

    Monday: Sunny and hot, with a high near 106.

    High: 106 °F

    Hot

  • Monday Night

    Monday Night: Mostly clear, with a low around 74.

    Low: 74 °F

    Mostly Clear

  • Tuesday

    Tuesday: A 20 percent chance of showers and thunderstorms after 1pm. Mostly sunny and hot, with a high near 102.

    High: 102 °F

    Mostly Sunny
    then Slight
    Chance
    T-storms

Detailed Forecast

Tonight
Partly cloudy, with a low around 74. East wind 7 to 11 mph.
Saturday
Sunny, with a high near 96. East northeast wind 7 to 13 mph, with gusts as high as 20 mph.
Saturday Night
Increasing clouds, with a low around 73. East wind 9 to 13 mph, with gusts as high as 20 mph.
Sunday
Cloudy through mid morning, then gradual clearing and hot, with a high near 102. East wind 9 to 14 mph, with gusts as high as 21 mph.
Sunday Night
Partly cloudy, with a low around 74. Southeast wind 10 to 16 mph, with gusts as high as 24 mph.
Monday
Sunny and hot, with a high near 106.
Monday Night
Mostly clear, with a low around 74.
Tuesday
A 20 percent chance of showers and thunderstorms after 1pm. Mostly sunny and hot, with a high near 102.
Tuesday Night
A 30 percent chance of showers and thunderstorms after 1am. Partly cloudy, with a low around 72.
Wednesday
Mostly sunny and hot, with a high near 99.
Wednesday Night
A 20 percent chance of showers and thunderstorms. Mostly clear, with a low around 71.
Thursday
A 20 percent chance of showers. Mostly sunny and hot, with a high near 100.
Thursday Night
A 20 percent chance of showers and thunderstorms. Mostly clear, with a low around 72.
Friday
Mostly sunny and hot, with a high near 103.
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Forecast Area
Tiles ©ESRI

ABOUT THIS FORECAST

 
Point Forecast:
4 Miles NNE Avard OK
 36.75°N 98.75°W
Last Update:
1:27 pm CDT Aug 21, 2026
Forecast Valid:
4pm CDT Aug 21, 2026-6pm CDT Aug 28, 2026
 
Forecast Discussion
 
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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

National Digital Forecast Database Maximum Temperature Forecast

High Temperature

National Digital Forecast Database Weather Element Forecast

Chance of Precipitation