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

Winfield / Arkansas City, Strother Field (KWLD)

Lat: 37.17°NLon: 97.04°WElev: 1158ft.

Fair

88°F

31°C

Humidity 52%
Wind Speed SE 12 mph
Barometer 29.87 in (1010.1 mb)
Dewpoint 68°F (20°C)
Visibility 10.00 mi
Heat Index92°F (33°C)
Last update 30 Jul 9:54 pm CDT
Extended Forecast for

Grainola OK

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

    Tonight: A 50 percent chance of showers and thunderstorms after 4am.  Increasing clouds, with a low around 75. South wind around 15 mph, with gusts as high as 20 mph.  New rainfall amounts of less than a tenth of an inch, except higher amounts possible in thunderstorms.

    Low: 75 °F

    Clear then
    Chance
    T-storms

  • Friday

    Friday: A 30 percent chance of showers and thunderstorms before 10am.  Mostly cloudy through mid morning, then gradual clearing, with a high near 96. Heat index values as high as 103. South wind around 10 mph becoming northwest in the afternoon.

    High: 96 °F

    Chance
    T-storms then
    Sunny

  • Friday Night

    Friday Night: Clear, with a low around 68. North wind 10 to 15 mph, with gusts as high as 20 mph.

    Low: 68 °F

    Clear

  • Saturday

    Saturday: Sunny, with a high near 88. North wind 10 to 15 mph, with gusts as high as 25 mph.

    High: 88 °F

    Sunny

  • Saturday Night

    Saturday Night: Clear, with a low around 65. North wind 5 to 15 mph, with gusts as high as 20 mph.

    Low: 65 °F

    Clear

  • Sunday

    Sunday: Sunny, with a high near 89. North wind 5 to 10 mph.

    High: 89 °F

    Sunny

  • Sunday Night

    Sunday Night: Clear, with a low around 65. East wind 5 to 10 mph.

    Low: 65 °F

    Clear

  • Monday

    Monday: Sunny, with a high near 91. Southeast wind around 5 mph.

    High: 91 °F

    Sunny

  • Monday Night

    Monday Night: Clear, with a low around 67. East wind 5 to 10 mph.

    Low: 67 °F

    Clear

Detailed Forecast

Tonight
A 50 percent chance of showers and thunderstorms after 4am. Increasing clouds, with a low around 75. South wind around 15 mph, with gusts as high as 20 mph. New rainfall amounts of less than a tenth of an inch, except higher amounts possible in thunderstorms.
Friday
A 30 percent chance of showers and thunderstorms before 10am. Mostly cloudy through mid morning, then gradual clearing, with a high near 96. Heat index values as high as 103. South wind around 10 mph becoming northwest in the afternoon.
Friday Night
Clear, with a low around 68. North wind 10 to 15 mph, with gusts as high as 20 mph.
Saturday
Sunny, with a high near 88. North wind 10 to 15 mph, with gusts as high as 25 mph.
Saturday Night
Clear, with a low around 65. North wind 5 to 15 mph, with gusts as high as 20 mph.
Sunday
Sunny, with a high near 89. North wind 5 to 10 mph.
Sunday Night
Clear, with a low around 65. East wind 5 to 10 mph.
Monday
Sunny, with a high near 91. Southeast wind around 5 mph.
Monday Night
Clear, with a low around 67. East wind 5 to 10 mph.
Tuesday
Sunny, with a high near 95. Southeast wind 5 to 10 mph.
Tuesday Night
Clear, with a low around 71. East wind 5 to 10 mph.
Wednesday
Sunny, with a high near 97. South wind 5 to 10 mph.
Wednesday Night
Mostly clear, with a low around 74. Southeast wind around 10 mph.
Thursday
Mostly sunny and hot, with a high near 100. South wind 10 to 15 mph, with gusts as high as 20 mph.
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ABOUT THIS FORECAST

 
Point Forecast:
Grainola OK
 36.94°N 96.65°W
9:50 pm CDT Jul 30, 2026
10pm CDT Jul 30, 2026-6pm CDT Aug 6, 2026
 
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