Dangerous Heat Wave Continues; Severe Thunderstorms and Heavy Rain from the Central Plains to the Midwest

A prolonged, dangerous heat wave will continue today in the Midwest and Mississippi Valley, and persist through the Independence Day weekend across the Ohio Valley, Mid-South, and East Coast. Severe thunderstorm are expected from the northern/central Plains to the Mid-Atlantic. Isolated slash flooding is possible from the central Plains to the Upper Midwest. Read More >

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Last Map Update: Fri, Jul 3, 2026 at 5:44:27 pm CDT

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Heat Advisory

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Hazardous Weather Outlook

Heat Advisory Friday

Heat Advisory July 4th

Severe Storm Outlook July 4th

Thunderstorm Chances Continue Friday

Hot & Humid Conditions Continue

July 4th Forecast

Forecast Summary

A Heat Advisory has been issued for portions of eastern Oklahoma until 8 PM Friday, July 3. Maximum heat indices up to 105 degrees will be possible during the afternoon and early evening hours. Please take breaks when outdoors and stay hydrated!

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.

Isolated thunderstorms will become possible again Friday afternoon, primarily in the terrain of far eastern Oklahoma and northwest Arkansas. Organized severe weather is not expected, but brief heavy downpours and gusty winds will accompany the stronger activity.

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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Dangerous Heat Wave Continues; Severe Thunderstorms and Heavy Rain from the Central Plains to the Midwest

NWS Forecast Office Tulsa, OK