Extreme Heat Across the Southern U.S.; Severe Thunderstorms and Heavy Rain in the Plains and Mississippi Valley

A heat wave over the Southwest will intensify late week, peaking and expanding into the Intermountain West and northern High Plains this weekend. Severe thunderstorms and heavy rain are expected over portions of the Plains and Mississippi Valley tonight, which will shift to parts of the Upper Midwest and mid-Mississippi Valley Friday. Monsoonal showers and flooding persist in the Desert Southwest. Read More >

Current conditions at

Altus, Altus/Quartz Mountain Regional Airport (KAXS)

Lat: 34.7°NLon: 99.34°WElev: 1434ft.

Fair

91°F

33°C

Humidity 41%
Wind Speed S 12 mph
Barometer 29.90 in
Dewpoint 64°F (18°C)
Visibility 10.00 mi
Heat Index93°F (34°C)
Last update 30 Jul 11:37 pm CDT
Extended Forecast for

Blair OK

Heat Advisory July 31, 12:00pm until July 31, 09:00pm
Click here for hazard details and duration
Heat Advisory
  • Overnight

    Overnight: Mostly clear, with a low around 77. South wind 11 to 13 mph, with gusts as high as 20 mph.

    Low: 77 °F

    Mostly Clear

  • Friday

    Friday: A slight chance of showers and thunderstorms before 10am, then a slight chance of showers between 10am and 1pm, then a slight chance of showers and thunderstorms after 1pm.  Mostly sunny and hot, with a high near 103. Heat index values as high as 107. Southwest wind 8 to 13 mph becoming west northwest in the afternoon. Winds could gust as high as 20 mph.  Chance of precipitation is 20%.

    High: 103 °F

    Slight Chance
    T-storms

  • Friday Night

    Friday Night: A chance of showers and thunderstorms before 1am, then a slight chance of showers.  Increasing clouds, with a low around 72. North northeast wind 7 to 15 mph, with gusts as high as 23 mph.  Chance of precipitation is 30%.

    Low: 72 °F

    Chance
    T-storms then
    Chance
    Showers

  • Saturday

    Saturday: Sunny, with a high near 96. North northeast wind 13 to 15 mph, with gusts as high as 23 mph.

    High: 96 °F

    Sunny

  • Saturday Night

    Saturday Night: Clear, with a low around 68. Northeast wind 7 to 15 mph, with gusts as high as 23 mph.

    Low: 68 °F

    Clear

  • Sunday

    Sunday: Sunny, with a high near 96.

    High: 96 °F

    Sunny

  • Sunday Night

    Sunday Night: Clear, with a low around 68.

    Low: 68 °F

    Clear

  • Monday

    Monday: Sunny and hot, with a high near 100.

    High: 100 °F

    Hot

  • Monday Night

    Monday Night: Clear, with a low around 71.

    Low: 71 °F

    Clear

Detailed Forecast

Overnight
Mostly clear, with a low around 77. South wind 11 to 13 mph, with gusts as high as 20 mph.
Friday
A slight chance of showers and thunderstorms before 10am, then a slight chance of showers between 10am and 1pm, then a slight chance of showers and thunderstorms after 1pm. Mostly sunny and hot, with a high near 103. Heat index values as high as 107. Southwest wind 8 to 13 mph becoming west northwest in the afternoon. Winds could gust as high as 20 mph. Chance of precipitation is 20%.
Friday Night
A chance of showers and thunderstorms before 1am, then a slight chance of showers. Increasing clouds, with a low around 72. North northeast wind 7 to 15 mph, with gusts as high as 23 mph. Chance of precipitation is 30%.
Saturday
Sunny, with a high near 96. North northeast wind 13 to 15 mph, with gusts as high as 23 mph.
Saturday Night
Clear, with a low around 68. Northeast wind 7 to 15 mph, with gusts as high as 23 mph.
Sunday
Sunny, with a high near 96.
Sunday Night
Clear, with a low around 68.
Monday
Sunny and hot, with a high near 100.
Monday Night
Clear, with a low around 71.
Tuesday
Sunny and hot, with a high near 103.
Tuesday Night
Clear, with a low around 74.
Wednesday
Sunny and hot, with a high near 102.
Wednesday Night
Mostly clear, with a low around 75.
Thursday
Sunny and hot, with a high near 102.
Basemap Options
Click map to change the forecast location
Loading map...

ABOUT THIS FORECAST

 
Point Forecast:
Blair OK
 34.79°N 99.34°W
9:32 pm CDT Jul 30, 2026
12am CDT Jul 31, 2026-6pm CDT Aug 6, 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