Extreme Heat Across the Southern U.S.; Severe Thunderstorms and Heavy Rain in the Northern Plains and Upper Midwest

Dangerous heat will remain across portions of the southern U.S. through the weekend. A heat wave over the Southwest will intensify this week, peaking and expanding into the Intermountain West and northern High Plains this weekend. Severe thunderstorms will produce damaging winds and heavy rainfall over portions of the northern/central Plains into the mid/upper-Mississippi Valleys today. Read More >

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Last Map Update: Thu, Jul 30, 2026 at 3:30:25 pm CDT

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Extreme Heat Warning

Heat Advisory

Hazardous Weather Outlook

Dangerous Heat Thursday

Dangerous Heat Continues Thu-Fri

Dangerous Heat Friday

Extreme Heat Safety

Precipitation Chances Today and Friday

Forecast Summary

The heat and humidity continue Thursday across eastern Oklahoma and western Arkansas. An Extreme Heat Warning has been issued for portions of eastern Oklahoma with a Heat Advisory for much of the remainder of the area. Heat index values as high as 112 expected in the advisory area. Practice good heat safety to avoid heat illness.

Dangerous heat continues across portions of the area through Friday, with heat index values of 105 to 115 degrees expected. Slightly cooler conditions will develop this weekend areawide.

Dangerous heat conditions are forecast again Friday across much of the region. An Extreme Heat Warning and Heat Advisory are in effect from Noon to 9 PM for heat index values from 105 to 115 degrees across eastern Oklahoma and west-central Arkansas.

During Extreme Heat: Find air conditioning. Avoid strenuous activities. Wear light clothing. Check on family members and neighbors. Drink plenty of water. Watch for heat cramps, exhaustion, and stroke. Never leave people or pets in a closed car.

Low to moderate shower and thunderstorm chances exist today through Friday, across parts of far eastern Oklahoma and northwest Arkansas. Severe weather is not expected, but gusty winds and moderate rain may accompany the strongest storms.

Widespread dangerous heat continues today and Friday . A few showers and storms may also occur today and tomorrow. Cooler and drier weather develops this weekend.

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Extreme Heat Across the Southern U.S.; Severe Thunderstorms and Heavy Rain in the Northern Plains and Upper Midwest

NWS Forecast Office Tulsa, OK