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

Severe Thunderstorms in the Central Plains and Lower Missouri Valley; Heat Continues in the Southeast and Southwest

Severe thunderstorms capable of large hail and damaging wind gusts are forecast to impact the central Plains into the Lower Missouri Valley through this afternoon. Dangerous heat persists across the southern Plains, Southeast U.S. and Puerto Rico this week, and will return to the Southwest today. Read More >

Hazardous Weather Conditions

Current conditions at

Altus, Altus/Quartz Mountain Regional Airport (KAXS)

Lat: 34.7°NLon: 99.34°WElev: 1434ft.

Fair

106°F

41°C

Humidity 17%
Wind Speed SE 8 G 21 mph
Barometer 29.97 in
Dewpoint 52°F (11°C)
Visibility 8.00 mi
Heat Index104°F (40°C)
Last update 18 Aug 2:15 pm CDT
Extended Forecast for

Ozark OK

Heat Advisory August 19, 11:00am until August 19, 08:00pm
Heat Advisory August 18, 03:07pm until August 18, 08:00pm
Click here for hazard details and duration
Heat Advisory
Heat Advisory
  •  
    Heat Advisory August 18, 03:07pm until August 18, 08:00pm

    NOW until 8:00pm Tue

    Heat Advisory

  • This Afternoon

    High: 109 °F

    Hot

  • Tonight

    Tonight: Mostly clear, with a low around 79. South wind 11 to 15 mph, with gusts as high as 23 mph.

    Low: 79 °F

    Mostly Clear

  • Wednesday

    Wednesday: Sunny and hot, with a high near 110. South southwest wind 9 to 13 mph, with gusts as high as 20 mph.

    High: 110 °F

    Hot

  • Wednesday Night

    Wednesday Night: Mostly clear, with a low around 77. South wind 7 to 13 mph becoming east after midnight. Winds could gust as high as 20 mph.

    Low: 77 °F

    Mostly Clear

  • Thursday

    Thursday: Mostly sunny and hot, with a high near 108. North northeast wind 6 to 8 mph becoming southeast in the morning.

    High: 108 °F

    Hot

  • Thursday Night

    Thursday Night: Mostly clear, with a low around 75.

    Low: 75 °F

    Mostly Clear

  • Friday

    Friday: Sunny and hot, with a high near 107.

    High: 107 °F

    Hot

  • Friday Night

    Friday Night: Mostly clear, with a low around 76.

    Low: 76 °F

    Mostly Clear

Detailed Forecast

This Afternoon
Sunny and hot, with a high near 109. South southwest wind around 11 mph.
Tonight
Mostly clear, with a low around 79. South wind 11 to 15 mph, with gusts as high as 23 mph.
Wednesday
Sunny and hot, with a high near 110. South southwest wind 9 to 13 mph, with gusts as high as 20 mph.
Wednesday Night
Mostly clear, with a low around 77. South wind 7 to 13 mph becoming east after midnight. Winds could gust as high as 20 mph.
Thursday
Mostly sunny and hot, with a high near 108. North northeast wind 6 to 8 mph becoming southeast in the morning.
Thursday Night
Mostly clear, with a low around 75.
Friday
Sunny and hot, with a high near 107.
Friday Night
Mostly clear, with a low around 76.
Saturday
Sunny and hot, with a high near 109.
Saturday Night
Mostly clear, with a low around 77.
Sunday
Sunny and hot, with a high near 110.
Sunday Night
Mostly clear, with a low around 79.
Monday
Sunny and hot, with a high near 110.
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Forecast Area
Tiles ©ESRI

ABOUT THIS FORECAST

 
Point Forecast:
Ozark OK
 34.63°N 99.2°W
Last Update:
2:31 pm CDT Aug 18, 2026
Forecast Valid:
3pm CDT Aug 18, 2026-6pm CDT Aug 24, 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