Immediate

Responsive action SHOULD be taken immediately

Idaho Severe Flash Flood Warning | Effective 09-18-2026 16:21

FFWBOI The National Weather Service in Boise has issued a * Flash Flood Warning for... The Wapiti Burn Area in... Northeastern Boise County in southwestern Idaho... * Until 815 PM MDT. * At 521 PM MDT, emergency management reported thunderstorms producing heavy rain over the Wapiti Burn Area. The expected rainfall rate is 0.25 inches in 1 hour. Additional rainfall amounts up to 0.5 inches are possible in the warned area. Flash flooding is ongoing or expected to begin shortly. Excessive rainfall over the

Colorado, Utah Severe Severe Thunderstorm Warning | Effective 09/18/2026 16:15

SVRGJT The National Weather Service in Grand Junction has issued a * Severe Thunderstorm Warning for... Southwestern Moffat County in northwestern Colorado... Northwestern Rio Blanco County in northwestern Colorado... Northeastern Uintah County in northeastern Utah... * Until 545 PM MDT. * At 514 PM MDT, a severe thunderstorm was located over Dinosaur, or 29 miles southeast of Vernal, moving northeast at 30 mph. HAZARD...Quarter size hail. SOURCE...Radar indicated. IMPACT...Damage to vehicles is expected.

Idaho Severe Flash Flood Warning | Effective 09/18/2026 16:21

FFWBOI The National Weather Service in Boise has issued a * Flash Flood Warning for... The Wapiti Burn Area in... Northeastern Boise County in southwestern Idaho... * Until 815 PM MDT. * At 521 PM MDT, emergency management reported thunderstorms producing heavy rain over the Wapiti Burn Area. The expected rainfall rate is 0.25 inches in 1 hour. Additional rainfall amounts up to 0.5 inches are possible in the warned area. Flash flooding is ongoing or expected to begin shortly. Excessive rainfall over the

Tennessee Severe Severe Thunderstorm Warning | Effective 09/18/2026 16:23

At 723 PM EDT, a severe thunderstorm was located over Jefferson City, moving southeast at 10 mph. HAZARD...60 mph wind gusts and quarter size hail. SOURCE...Radar indicated. IMPACT...Hail damage to vehicles is expected. Expect wind damage to roofs, siding, and trees. Locations impacted include... Jefferson City, Dandridge, White Pine, Baneberry, and Piedmont. This includes the following highways... Interstate 40 in Tennessee between mile markers 410 and 428. Interstate 81 in Tennessee between mile markers 1 and 4.

North Carolina Severe Severe Thunderstorm Warning | Effective 09/18/2026 16:24

At 724 PM EDT, a severe thunderstorm was located over Willard, or near Wallace, moving southwest at 10 mph. HAZARD...60 mph wind gusts. SOURCE...Radar indicated. IMPACT...Expect wind damage to trees and power lines. Locations impacted include... Willard and Watha. For your protection move to an interior room on the lowest floor of a building. Please send your reports of hail or wind damage, including trees or large limbs downed, by calling the National Weather Service office in Wilmington at 1 800 697 3901.

North Carolina Severe Severe Thunderstorm Warning | Effective 09/18/2026 16:01

SVRILM The National Weather Service in Wilmington has issued a * Severe Thunderstorm Warning for... Northeastern Pender County in southeastern North Carolina... * Until 745 PM EDT. * At 701 PM EDT, a severe thunderstorm was located near Willard, or near Wallace, moving south at 20 mph. HAZARD...60 mph wind gusts and penny size hail. SOURCE...Radar indicated. IMPACT...Expect wind damage to trees and power lines. * Locations impacted include... Burgaw, White Stocking, Murray Town, Willard, Watha, and Pender Memorial Hospital.

Tennessee Severe Severe Thunderstorm Warning | Effective 09/18/2026 16:03

SVRMRX The National Weather Service in Morristown has issued a * Severe Thunderstorm Warning for... Jefferson County in east Tennessee... South central Grainger County in east Tennessee... Southwestern Hamblen County in east Tennessee... * Until 745 PM EDT. * At 703 PM EDT, a severe thunderstorm was located over Jefferson City, moving southeast at 10 mph. HAZARD...60 mph wind gusts and quarter size hail. SOURCE...Radar indicated. IMPACT...Hail damage to vehicles is expected. Expect wind damage to roofs, siding, and trees.

Kansas Severe Severe Thunderstorm Warning | Effective 09/18/2026 16:07

At 506 PM MDT, a severe thunderstorm was located 7 miles north of Ruleton, moving east at 25 mph. HAZARD...70 mph wind gusts. SOURCE...Radar indicated. IMPACT...Expect considerable tree damage. Damage is likely to mobile homes, roofs, and outbuildings. This severe thunderstorm will remain over mainly rural areas of Sherman County, including the following locations... Edson. This includes Interstate 70 in Kansas between mile markers 0 and 28. For your protection move to an interior room on the lowest floor of a building.

New Mexico Severe Flash Flood Warning | Effective 09/18/2026 16:08

FFWABQ The National Weather Service in Albuquerque has issued a * Flash Flood Warning for... South Central Lincoln County in central New Mexico... * Until 815 PM MDT. * At 508 PM MDT, Doppler radar indicated thunderstorms producing heavy rain across the warned area. Between 0.75 and 1.5 inches of rain have fallen along the Lincoln and Otero County line north of Whitetail. Additional rainfall amounts up to 0.5 inches are possible in the warned area. Flash flooding is ongoing or expected to begin shortly.
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