Record Heat for the Intermountain West and Northern Plains; Heavy Rainfall and Severe Weather Threats

Record setting heat is expected over the next several days from the Intermountain West through the northern Plains. Furthermore, fire weather concerns increase with dry and breezy conditions. Meanwhile, heavy rainfall and severe thunderstorm threats for the Ohio/Tennessee Valleys, central Appalachians and Southeast today. The threat shifts to central Gulf Coast and across central Texas this week. Read More >

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Last Map Update: Sun, Jul 19, 2026 at 10:10:40 am CDT

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Heat Advisory

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Heat Advisory Today

Dangerous Heat Monday & Tuesday

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Forecast Summary

A Heat Advisory will go into effect for much of northeast Oklahoma and portions west-central Arkansas from 1 PM until 8 PM this evening for heat indices reaching up to 106F, locally higher, this afternoon. The heat will further intensify and become more widespread across eastern Oklahoma and western Arkansas on Monday and especially on Tuesday. Stay inside air conditioned buildings, if possible, drink plenty of fluids if outdoors for prolonged periods of time, and wear lightweight, loose-fitting, and light-colored clothing, and take frequent breaks if working outside over the next few days.

Heat will intensify Monday and especially on Tuesday as upper level high pressure strengthens. Afternoon heat indices of 100-110 F, locally higher will occur on Monday. Even hotter heat indices will occur on Tuesday, with afternoon values reaching between 105-112 F, locally higher. Heat precautions should be taken for any extended time outdoors.

Heat is expected to intensify the next few days. Afternoon heat indices of 100-110 F, locally higher through Tuesday, are expected. Heat precautions should still be taken for any extended time outdoors.

Low storm chances will occur again Sunday. Dangerous heat develops Sunday through Tuesday, possibly beyond.

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Record Heat for the Intermountain West and Northern Plains; Heavy Rainfall and Severe Weather Threats

NWS Forecast Office Tulsa, OK