National Weather Service United States Department of Commerce

Areas of Excessive Heat and Excessive Rainfall Today

Dangerously hot conditions are occurring today in southeast Oklahoma, the ArkLaTex, lower Mississippi Valley, and Puerto Rico. Hot temperatures surround this area throughout the southern U.S. Excessive Heat Warnings and Heat Advisories in effect. Excessive rainfall may lead to flash flooding today over parts of northern Alabama into eastern Tennessee and the Cascades. Read More >

Dangerous heat persists across the region today. An Excessive Heat Warning is in effect from noon until 9 PM for much of eastern Oklahoma and west-central Arkansas. A Heat Advisory is in effect from noon until 9 PM for portions of far northeastern Oklahoma and northwest Arkansas. Maximum heat indices between 110-115 degrees are expected within the warning area and up to 109 degrees in the advisory.
This graphic shows the expected timing of severe weather today and tonight. There is a low chance for a few isolated storms this afternoon across a small portion of northeast OK. The more widespread and likely threat is expected from 9 PM to 2 AM tonight.
Afternoon and evening storms may develop again this evening near a weak surface boundary. Some storms may become strong to severe, with damaging winds in excess of 70 miles an hour being the main severe weather threat.
Saturday will feature another day of dangerous heat and humidity, with a good chunk of eastern Oklahoma seeing heat index values up to 113 degrees and parts of western Arkansas up to 109 degrees. Excessive Heat Warnings and Heat Advisories will be in effect from Noon to 9 pm on Saturday. If you have outdoor plans, take appropriate heat precautions and stay hydrated!
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