Severe

Significant threat to life or property

Montana Severe Flash Flood Warning | Effective 09/18/2026 17:02

FFWBYZ The National Weather Service in Billings has issued a * Flash Flood Warning for... Southwestern Golden Valley County in central Montana... Southeastern Wheatland County in central Montana... * Until 900 PM MDT. * At 602 PM MDT, Doppler radar indicated thunderstorms producing heavy rain across the warned area. Between 0.7 and 1.5 inches of rain have fallen. Additional rainfall amounts up to 1 inch are possible in the warned area. Flash flooding is ongoing or expected to begin shortly.

New Mexico Severe Flood Warning | Effective 09/18/2026 17:07

* WHAT...Small stream flooding caused by excessive rainfall is expected. * WHERE...Northeastern Otero County in south central New Mexico... * WHEN...Until 800 PM MDT. * IMPACTS...Streams continue to rise due to excess runoff from earlier rainfall. Expect many areas of slow moving or standing water. * ADDITIONAL DETAILS... - At 607 PM MDT, Doppler radar indicated heavy rain due to thunderstorms. Flooding is ongoing or expected to begin shortly in the warned area. Up to 1 inch of rain has fallen.

North Carolina Severe Severe Thunderstorm Warning | Effective 09/18/2026 17:08

SVRGSP The National Weather Service in Greenville-Spartanburg has issued a * Severe Thunderstorm Warning for... Northeastern Swain County in western North Carolina... * Until 900 PM EDT. * At 807 PM EDT, a severe thunderstorm was located 8 miles southeast of Gatlinburg, or near Smoky Mountains-Newfound Gap, moving south at 15 mph. HAZARD...60 mph wind gusts and quarter size hail. SOURCE...Radar indicated. IMPACT...Minor hail damage to vehicles is expected. Expect wind damage to trees and power lines. * Locations impacted include...

Colorado Severe Severe Thunderstorm Warning | Effective 09/18/2026 17:14

SVRGJT The National Weather Service in Grand Junction has issued a * Severe Thunderstorm Warning for... South central Moffat County in northwestern Colorado... * Until 700 PM MDT. * At 614 PM MDT, a severe thunderstorm was located 28 miles northeast of Rangely, or 45 miles west of Craig, moving northeast at 30 mph. HAZARD...Ping pong ball size hail. SOURCE...Radar indicated. IMPACT...People and animals outdoors will be injured. Expect damage to roofs, siding, windows, and vehicles.

South Carolina Severe Severe Thunderstorm Warning | Effective 09/18/2026 17:19

SVRGSP The National Weather Service in Greenville-Spartanburg has issued a * Severe Thunderstorm Warning for... North central Anderson County in Upstate South Carolina... Central Pickens County in Upstate South Carolina... * Until 915 PM EDT. * At 819 PM EDT, a severe thunderstorm was located 5 miles northeast of Pickens, moving south at 15 mph. HAZARD...60 mph wind gusts and quarter size hail. SOURCE...Radar indicated. IMPACT...Minor hail damage to vehicles is expected. Expect wind damage to trees and power lines.

Kansas Severe Blowing Dust Warning | Effective 09/18/2026 17:22

* WHAT...Widespread blowing dust and brown out conditions. * WHERE...Rawlins and Thomas Counties. * WHEN...Until 8 PM CDT this evening. * IMPACTS...Severely limited visibilities are expected. Travel will be dangerous and possibly life-threatening. Poor air quality may cause issues for people with respiratory problems. * ADDITIONAL DETAILS...A 6:40 PM CT, less than 1 mile visibility was reported north of Bird City. Blowing dust can significantly lower air quality and it is encouraged

Tennessee Severe Severe Thunderstorm Warning | Effective 09/18/2026 17:23

At 823 PM EDT, a severe thunderstorm was located near Smoky Mountains-Newfound Gap, or 8 miles southeast of Gatlinburg, moving south 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... Smoky Mountains-Newfound Gap, Smoky Mountains-Balsam Mountain, and Great Smoky Mountains National Park.

South Carolina Severe Severe Thunderstorm Warning | Effective 09/18/2026 17:24

At 824 PM EDT, a severe thunderstorm was located 11 miles northwest of Spartanburg, or near Inman, moving south at 20 mph. HAZARD...60 mph wind gusts. SOURCE...Radar indicated. IMPACT...Expect damage to trees and power lines. Locations impacted include... Greer, Duncan, Lyman, Wellford, Inman, Reidville, GSP Airport, Moore, and Taylors. A few trees and power lines will be blown down in the warned area. The storm will be accompanied by brief heavy rainfall, and little or no lightning. Seek shelter inside an interior room.

Kansas Severe Severe Thunderstorm Warning | Effective 09/18/2026 17:25

At 724 PM CDT, a severe thunderstorm was located 9 miles north of McDonald, or 14 miles southeast of Benkelman, moving northeast at 25 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. This severe thunderstorm will remain over mainly rural areas of east central Cheyenne and northwestern Rawlins Counties in northwestern Kansas, including the following locations... Blakeman and Beardsley.

New Mexico Severe Flash Flood Warning | Effective 09/18/2026 17:30

At 630 PM MDT, Doppler radar indicated thunderstorms producing heavy rain across the warned area. Between 1.5 and 2.5 inches of rain have fallen. The expected rainfall rate is 2 to 4 inches in 1 hour. Additional rainfall amounts of 0.5 to 1.5 inches are possible in the warned area. Flash flooding is ongoing or expected to begin shortly. HAZARD...Life threatening flash flooding. Thunderstorms producing flash flooding. SOURCE...Radar indicated. IMPACT...Life threatening flash flooding of creeks and streams, urban
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