National Weather Service United States Department of Commerce

Severe Weather and Heavy Rainfall from the Midwest to the Ohio Valley; Mid-Summer Heat Continues

Severe thunderstorm and heavy rainfall threats will persist from the Midwest to Lower Great Lakes through Monday, shifting into the Ohio Valley and Central Appalachians Monday evening into Tuesday. Mid-summer heat will continue across much of the CONUS this week, with record highs possible well into the 100s across the south-central High Plains. Read More >

Click a location below for detailed forecast.

Last Map Update: Fri, Aug 14, 2026 at 8:16:49 am CDT

Heat index values up to 110 degrees will be common each day through Sunday across eastern Oklahoma and northwest Arkansas. Heat index values locally up to 115 degrees is also forecast Friday for parts of northeast Oklahoma.
Hot weather with little heat relief overnight persists through this weekend and into next week. Dangerous heat index values are forecast and heat stress will impact outdoor activities.
Tulsa and Fort Smith are both in the midst of a multi-day stretch featuring triple digit high temperatures with many more forecast. How does the current stretch of 100's stack up all-time?
Hot temperatures continue through the weekend with little chance for rainfall.
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