National Weather Service United States Department of Commerce

Dangerous, Heat Wave Persists in the Eastern U.S.; Severe Weather Expected in the Central Plains and Mid-Atlantic

A prolonged, dangerous heat wave will persist through the Independence Day weekend across the Ohio Valley, Mid-South, and East Coast. Severe thunderstorms are expected to produce damaging wind gusts from the Upper Ohio Valley into the Mid Atlantic, and across the central Great Plains this afternoon and evening. Large hail and heavy rain is also possible across the Great Plains. Read More >

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Last Map Update: Sat, Jul 4, 2026 at 2:10:23 am CDT

Hot and humid conditions are expected for Independence Day, with the highest heat indices - as high as 107 degrees - expected across much of the area along and north of I-40 in eastern Oklahoma and in west central Arkansas. A Heat Advisory is in effect from Noon to 8 pm.
Low storm chances exist Saturday afternoon into early evening, but the higher potential for storms is late Saturday evening and overnight with an approaching storm complex. A risk for severe weather exists north of Interstate 40. Locally damaging winds are the main threat in addition to a locally heavy rain threat.
Hot and humid conditions persist into the July 4th weekend across eastern Oklahoma and northwest Arkansas, but some improvement may be on the way early next week. Be aware of signs of heat stress and take precautions with outdoor activities.
Hot and humid conditions are on deck for the afternoon and evening of July 4th. A low chance of thunderstorms exists for eastern Oklahoma and western Arkansas through late evening and then increases overnight Saturday night.
Hot and humid weather will persist through the July 4th weekend. Daily low chances for showers and thunderstorms will develop in southeast Oklahoma and western Arkansas Friday, increasing in coverage and spreading west mid to late in the weekend.
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