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

Alva, Alva Regional Airport (KAVK)

Lat: 36.77°NLon: 98.67°WElev: 1473ft.

Fair

99°F

37°C

Humidity 33%
Wind Speed S 14 mph
Barometer 29.80 in
Dewpoint 64°F (18°C)
Visibility 10.00 mi
Heat Index102°F (39°C)
Last update 30 Jul 8:35 pm CDT
Extended Forecast for

10 Miles SSW Manchester OK

Heat Advisory July 31, 12:00pm until July 31, 09:00pm
Heat Advisory July 30, 08:39pm until July 30, 09:00pm
Click here for hazard details and duration
Heat Advisory
...
  •  
    Heat Advisory July 30, 08:39pm until July 30, 09:00pm

    NOW until 9:00pm Thu

    Heat Advisory

  • Tonight

    Low: 75 °F

    Mostly Clear
    then Chance
    T-storms

  • Friday

    Friday: A 30 percent chance of showers and thunderstorms before 7am.  Partly sunny, then gradually becoming sunny and hot, with a high near 99. Heat index values as high as 103. South wind 8 to 14 mph becoming north in the afternoon. Winds could gust as high as 21 mph.

    High: 99 °F

    Chance
    T-storms then
    Sunny

  • Friday Night

    Friday Night: Mostly clear, with a low around 69. North wind 9 to 14 mph, with gusts as high as 21 mph.

    Low: 69 °F

    Mostly Clear

  • Saturday

    Saturday: Sunny, with a high near 92. North wind 9 to 15 mph, with gusts as high as 23 mph.

    High: 92 °F

    Sunny

  • Saturday Night

    Saturday Night: Clear, with a low around 66. North northeast wind 9 to 14 mph becoming light  after midnight. Winds could gust as high as 21 mph.

    Low: 66 °F

    Clear

  • Sunday

    Sunday: Sunny, with a high near 93.

    High: 93 °F

    Sunny

  • Sunday Night

    Sunday Night: Clear, with a low around 65.

    Low: 65 °F

    Clear

  • Monday

    Monday: Sunny, with a high near 95.

    High: 95 °F

    Sunny

Detailed Forecast

Tonight
A 30 percent chance of showers and thunderstorms, mainly after 4am. Increasing clouds, with a low around 75. South southeast wind around 11 mph.
Friday
A 30 percent chance of showers and thunderstorms before 7am. Partly sunny, then gradually becoming sunny and hot, with a high near 99. Heat index values as high as 103. South wind 8 to 14 mph becoming north in the afternoon. Winds could gust as high as 21 mph.
Friday Night
Mostly clear, with a low around 69. North wind 9 to 14 mph, with gusts as high as 21 mph.
Saturday
Sunny, with a high near 92. North wind 9 to 15 mph, with gusts as high as 23 mph.
Saturday Night
Clear, with a low around 66. North northeast wind 9 to 14 mph becoming light after midnight. Winds could gust as high as 21 mph.
Sunday
Sunny, with a high near 93.
Sunday Night
Clear, with a low around 65.
Monday
Sunny, with a high near 95.
Monday Night
Clear, with a low around 68.
Tuesday
Sunny and hot, with a high near 99.
Tuesday Night
Mostly clear, with a low around 71.
Wednesday
Mostly sunny and hot, with a high near 100.
Wednesday Night
Mostly clear, with a low around 74.
Thursday
Mostly sunny and hot, with a high near 102.
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ABOUT THIS FORECAST

 
Point Forecast:
10 Miles SSW Manchester OK
 36.85°N 98.11°W
6:51 pm CDT Jul 30, 2026
8pm CDT Jul 30, 2026-6pm CDT Aug 6, 2026
 
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