Dangerous Heat Builds and Expands; Critical Fire Weather for the Southwest; Severe Thunderstorms for Plains and Midwest

Dangerous to record breaking heat will build across the center of the nation and slowly build eastward this week. Wildfire conditions remain critical for the Southwest and portions of the Great Basin through Monday. For the northern Plains and upper Midwest, severe thunderstorms with the potential for large to very large hail and severe winds are the primary hazards. Read More >

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Last Map Update: Sat, Jul 4, 2026 at 9:06:45 am CDT

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Heat Advisory

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Hazardous Weather Outlook

Heat Advisory July 4th

Severe Storm Outlook July 4th

Hot & Humid Conditions Continue

July 4th Forecast

Forecast Summary

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 Saturday mid 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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Dangerous Heat Builds and Expands; Critical Fire Weather for the Southwest; Severe Thunderstorms for Plains and Midwest

NWS Forecast Office Tulsa, OK