National Weather Service United States Department of Commerce

Extreme Heat and Excessive Rainfall Today

Dangerous and extreme heat will remain across portions of the southern U.S. through the weekend. A heat wave over the Southwest U.S. will intensify this week, peaking and expanding into the Intermountain West and northern High Plains this weekend. Multiple rounds of thunderstorms will produce heavy to excessive rainfall with significant flash flooding across portions of southern New England. Read More >

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Last Map Update: Wed, Jul 29, 2026 at 9:16:27 pm CDT

Dangerous heat continues across portions of the area through Friday, with heat index values of 105 to 115 degrees expected. Slightly cooler conditions will develop this weekend areawide.
The heat and humidity continue Thursday across eastern Oklahoma and western Arkansas. A Heat Advisory has been issued for eastern Oklahoma and west central Arkansas. Heat index values as high as 110 expected in the advisory area. Practice good heat safety to avoid heat illness.
During Extreme Heat: Find air conditioning. Avoid strenuous activities. Wear light clothing. Check on family members and neighbors. Drink plenty of water. Watch for heat cramps, exhaustion, and stroke. Never leave people or pets in a closed car.
Low to moderate shower and thunderstorm chances exist today through tonight, across parts of far eastern Oklahoma and northwest Arkansas. Severe weather is not expected, but gusty winds and moderate rain may accompany the strongest storms.
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