National Weather Service United States Department of Commerce

Remnants of Arthur and Heavy Rainfall Across the South; Severe Weather for the East

Potential life threatening flash flooding across the northern Gulf Coast states as the remnants of Arthur track across the area. Remember, turn around - don't drown. In addition, severe thunderstorms with tornadoes are possible with the circulation of this storm. The threat for more severe thunderstorms will occur across portions of the Northeast, mid-Atlantic and central Appalachian's. Read More >

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Last Map Update: Thu, Jun 18, 2026 at 9:50:34 am MST

The Extreme Heat Warning for the Grand Canyon below 4000 feet elevation has been extended through 8 PM Thursday. Afternoon temperatures will reach as high as 112 degrees at Phantom Ranch, creating hazardous conditions for hikers. Hiking during the daytime is discouraged in the lower canyon.
One more day of showers and thunderstorms before dry air arrives. Areas along and south of the Mogollon Rim will have the best chance for any activity today.

 

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