National Weather Service United States Department of Commerce

Dangerous Heat in the Southwest; Severe Thunderstorms from the Central Plains into the Ohio Valley

Dangerous heat will build across the Southwest U.S. through the end of the week with daytime highs of 110-115°F. Isolated to widely scattered severe storms are expected across parts of the central and southern High Plains, Great Lakes into the Ohio Valley, and parts of the Ozarks to Lower Mississippi Valley today. Read More >

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Last Map Update: Wed, Aug 26, 2026 at 7:40:15 am CDT

Isolated showers and storms are expected today, some of which may bring strong gusty winds in the afternoon. It will be hot with highs up to 105 degrees and partly cloudy skies. The fire weather threat will be lower today due to lighter winds and additional cloud cover. However, continue to take caution to avoid sparking wildfires. Smoke from ongoing fires will reduce visibilities in some areas.
Wednesday will feature a continuation of the hot conditions we've seen as of late. A Heat Advisory is in effect through 9pm Wednesday evening, with afternoon high temperatures ranging from 99-103 degrees and heat indices reaching 106 degrees in spots.
The extreme heat will back off some late week into the weekend with high temperatures ranging from 97 to 103 degrees. Low storm chances (10-30%) are forecast for Thursday, however most areas will stay dry.

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