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Heat Wave Expands to the East Coast; Flash Flooding Likely in the Central Plains into the Midwest; Severe Thunderstorms in the Northeast

Dangerous, prolonged heat is ongoing in the Mid-South to Mid-Mississippi Valley and heat expands into the Northeast for a brief period today. Widely scattered instances of flash flooding due to heavy rains are forecast from northeast Kansas to much of Indiana. Scattered strong to severe thunderstorms are possible across parts of New England, northern Mid-Atlantic, and North Dakota. Read More >

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Last Map Update: Sat, Jul 26, 2025 at 4:02:28 pm CDT

Heat index values in the 105 to 112 range are expected again Saturday afternoon across most of eastern Oklahoma and northwest Arkansas. An Extreme Heat Warning is in effect for part of eastern OK, and a Heat Advisory is in effect for the rest of eastern OK and part of western AR, both until 8 PM. Enjoy the outdoors safely Saturday afternoon, staying hydrated and taking shaded breaks.
Increasing tropical moisture from the southeast will yield rain/storm chances across SE OK and NW AR over the weekend. The higher chances will be on Saturday, decreasing as we head into Sunday.
Heat ndex values of 100 to 109 are expected Sunday for much of eastern OK and western AR. A Heat Advisory has been issued for parts of the area for Sunday afternoon. Continue to enjoy the outdoors safely Sunday afternoon, staying hydrated and taking shaded breaks.
Afternoon heat index values will climb into the 100 to 114 degree range each day through the weekend and into much of next week. Continue to monitor the forecast and please follow heat safety precautions to reduce the risk of heat illness.
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