National Weather Service United States Department of Commerce

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: Wed, Jul 1, 2026 at 7:19:14 am CDT

Hot and humid weather continues on Wednesday, with a Heat Advisory again posted for parts of west-central Arkansas. These areas are where the highest heat index values are expected.
Hot and humid conditions persist through this week across eastern Oklahoma and northwest Arkansas. Be aware of signs of heat stress and take precautions with outdoor activities.
Isolated thunderstorms will become possible again by late week, primarily in the terrain areas of far eastern Oklahoma and northwest Arkansas each afternoon. Organized severe weather is not expected, but brief heavy downpours and gusty winds could accompany any storm.
Weather hazards and forecast summary for eastern Oklahoma and northwest Arkansas. Key messages listed on the bottom left.
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