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: Sun, Jun 28, 2026 at 7:08:49 am CDT

A Heat Advisory is in effect from 1 PM to 8 PM Sunday. A combination of heat and humidity will lead to heat index values of 105 to 108 degrees. Take breaks in the shade or indoors and stay hydrated if spending time outdoors this afternoon
Hot and humid conditions persist through next week across eastern Oklahoma and northwest Arkansas. Be aware of signs of heat stress and take precautions with outdoor activities.
Weather hazards and forecast summary for eastern Oklahoma and northwest Arkansas. Key messages listed on the bottom left.
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