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Heat Across the Center of the Nation; Severe Thunderstorms Across the Great Lakes and Ohio Valley

Heat expands across the Desert Southwest, Plains, Mississippi Valley and Midwest into Monday. Fire weather concerns continue for portions of the Intermountain West. Active monsoonal moisture fuels thunderstorms over the Southwest with possible flash flooding. Tropical cyclone Fausto in the Pacific, should weaken as it approaches Hawaii; Dangerous surf, swells and rip currents are expected. Read More >

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Last Map Update: Sun, Jul 26, 2026 at 4:50:28 pm CDT

The heat and humidity continue Sunday across eastern Oklahoma and western Arkansas. An Extreme Heat Warning and Heat Advisory have been issued for eastern Oklahoma and northwest Arkansas. Heat index values as high as 115 are expected in the warning area and 110 in the advisory area. Practice good heat safety to avoid heat illness.
Dangerous heat conditions are forecast again Monday across the region. A heat advisory is in effect from Noon to 8 PM for heat index values of 105 to 110 degrees across eastern Oklahoma and northwest Arkansas.
Dangerous heat continues into at least the middle of the week areawide. Heat index values of 105 to 115 degrees are expected through mid week, then slightly cooler conditions will develop.
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.
Widespread oppressive heat continues on Sunday and will likely persist into next week. Anticipate Heat Advisories and Extreme Heat Warnings almost daily.
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