National Weather Service United States Department of Commerce

Lala Impacting Hawaii; Severe Thunderstorm and Flash Flooding Risks; Excessive Heat

Areas of gusty winds, heavy rain leading to flash flooding, and high surf continue across portions of Hawaii as Tropical Storm Lala continues to move away from the islands. Severe thunderstorm, heavy rainfall, and flash flooding threats continue from the Midwest to the Mid-Atlantic and across the central High Plains. Record heat continues for areas of the central/southern Plain into the Southeast Read More >

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Last Map Update: Sun, Aug 23, 2026 at 9:56:36 am CDT

Dangerous heat will return for portions of eastern Oklahoma and west-central Arkansas today, with heat index values ranging between 105-109 F, locally higher at times, expected in the advisory area this afternoon. The Heat Advisory will go into effect at noon today and will run through 8 PM.
There is a low-medium chance of thunderstorms late this evening and overnight tonight, mainly across NE OK and W AR. A few storms may become strong to severe and produce damaging wind gusts up to 70 mph and produce small hail.
High heat stress conditions will persist and will continue to impact outdoor activities for much of the next week.
Hot weather continues through the upcoming week. Periodic thunderstorm may occur for the next several days, but overall dry weather will continue. Fire weather conditions remain a daily concern due to drying fuels and periods of gusty winds.
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