National Weather Service United States Department of Commerce

Areas of Dangerous Heat and Severe Thunderstorms

Dangerous heat will build across the Southwest U.S. through the end of the week with daytime highs of 110-115°F. Heat across the southern Plains will briefly ease to near-normal by late week before returning over much of the Plains into next week. Severe thunderstorms are expected across parts of the central and southern High Plains, central Great Lakes, and Ozarks Wednesday. Read More >

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Last Map Update: Tue, Aug 25, 2026 at 11:18:30 pm CDT

High heat stress conditions will continue to impact outdoor activities through the next week.
Isolated thunderstorms are possible Wednesday afternoon and into the evening, with a marginal to slight risk for severe weather, primarily across western Arkansas. Locally damaging winds to 70 mph will be the main threat, with marginally severe hail possible as well.
Temperatures mostly above normal with continued periods of locally high heat stress to continue through Wednesday. The possible exception being around active thunderstorm activity. Periods of low to medium rain chances continue through Wednesday night. Areas of localized fire weather concerns will persist until widespread beneficial rainfall occurs.
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