Thunderstorms and Heavy Rain in the Mid-South; Heat Continues in the Southeast and Southwest

Severe thunderstorms and heavy rain are expected across portions of the mid-Mississippi Valley into the Ohio Valley and portions of Arizona. Dangerous heat persists in the South and Southeast while building into the Southwest. Overnight lows will be so warm that, when combined with oppressive dew points, little-to-no relief from the scorching daytime highs will be available. Read More >

Current conditions at

Alva, Alva Regional Airport (KAVK)

Lat: 36.77°NLon: 98.67°WElev: 1473ft.

Fair

90°F

32°C

Humidity 33%
Wind Speed SW 14 mph
Barometer 29.83 in
Dewpoint 57°F (14°C)
Visibility 10.00 mi
Heat Index89°F (32°C)
Last update 18 Aug 11:25 pm CDT
Extended Forecast for

13 Miles SSE Waynoka OK

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

    Tonight: Mostly clear, with a low around 81. Southwest wind 11 to 15 mph, with gusts as high as 23 mph.

    Low: 81 °F

    Mostly Clear

  • Wednesday

    Wednesday: Sunny and hot, with a high near 104. West northwest wind 6 to 8 mph becoming north northeast in the afternoon.

    High: 104 °F

    Hot

  • Wednesday Night

    Wednesday Night: A 20 percent chance of showers and thunderstorms before 1am.  Increasing clouds, with a low around 72. Northeast wind 5 to 11 mph.

    Low: 72 °F

    Slight Chance
    T-storms

  • Thursday

    Thursday: Cloudy through mid morning, then gradual clearing and hot, with a high near 102. Light northeast wind becoming east 5 to 9 mph in the morning.

    High: 102 °F

    Hot

  • Thursday Night

    Thursday Night: Partly cloudy, with a low around 72. East wind 5 to 9 mph becoming light  after midnight.

    Low: 72 °F

    Partly Cloudy

  • Friday

    Friday: Sunny and hot, with a high near 103.

    High: 103 °F

    Hot

  • Friday Night

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

    Low: 74 °F

    Mostly Clear

  • Saturday

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

    High: 106 °F

    Hot

  • Saturday Night

    Saturday Night: Mostly clear, with a low around 78.

    Low: 78 °F

    Mostly Clear

Detailed Forecast

Tonight
Mostly clear, with a low around 81. Southwest wind 11 to 15 mph, with gusts as high as 23 mph.
Wednesday
Sunny and hot, with a high near 104. West northwest wind 6 to 8 mph becoming north northeast in the afternoon.
Wednesday Night
A 20 percent chance of showers and thunderstorms before 1am. Increasing clouds, with a low around 72. Northeast wind 5 to 11 mph.
Thursday
Cloudy through mid morning, then gradual clearing and hot, with a high near 102. Light northeast wind becoming east 5 to 9 mph in the morning.
Thursday Night
Partly cloudy, with a low around 72. East wind 5 to 9 mph becoming light after midnight.
Friday
Sunny and hot, with a high near 103.
Friday Night
Mostly clear, with a low around 74.
Saturday
Sunny and hot, with a high near 106.
Saturday Night
Mostly clear, with a low around 78.
Sunday
Mostly sunny and hot, with a high near 109.
Sunday Night
Mostly clear, with a low around 80.
Monday
Mostly sunny and hot, with a high near 109.
Monday Night
Mostly clear, with a low around 78.
Tuesday
Mostly sunny and hot, with a high near 106.
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ABOUT THIS FORECAST

 
Point Forecast:
13 Miles SSE Waynoka OK
 36.42°N 98.77°W
9:37 pm CDT Aug 18, 2026
11pm CDT Aug 18, 2026-6pm CDT Aug 25, 2026
 
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Additional Resources

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