National Weather Service United States Department of Commerce

Heat Persists in the South Central U.S. and Southwest; Heavy rains in the Desert Southwest and Central Plains

Sweltering heat remains across the South-Central Plains, Lower/Middle Mississippi Valley, and the Southwest this week with limited nighttime relief. Thunderstorms will bring heavy rainfall leading to localized flash flooding in portions of the Desert Southwest and central Plains. Isolated strong to severe thunderstorms are possible across portions of the central Plains into the Northeast. Read More >

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Last Map Update: Wed, Sep 9, 2026 at 2:18:41 pm CDT

Dangerous heat continues on Wednesday with heat index values of 105 to 113 degrees forecast across eastern Oklahoma and northwest Arkansas.
Thunderstorms are expected to develop across southern Kansas and spread south late Wednesday afternoon through early evening. A few storms could be severe with damaging winds the primary hazard.
Thunderstorm chances will increase Wednesday night and into Thursday along a slow-moving cold front. The strongest storms may produce strong to locally severe winds. Measurable rainfall will be more widespread Thursday morning, particularly across areas along and north of I-44.
Hot weather continues through mid week with increasing rain chances and slightly cooler weather by late week.
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