Moderate

According to the Pacific Tsunami Warning Center an earthquake occurred in the vicinity of Puerto Rico at 920 AM AST on Friday September 18, 2026 with a preliminary magnitude of 4.6. The earthquake has been reported as felt lightly. Given the reported intensity of the earthquake it is believed there is no tsunami threat for Puerto Rico or the Virgin Islands. Continue to monitor your favorite news source for more information. Updated information will be issued by emergency officials and the Puerto Rico Seismic Network.

At 740 AM MDT, Doppler radar was tracking a strong thunderstorm near Heber, or near Heber City, moving northeast at 20 mph. HAZARD...Half inch hail. SOURCE...Radar indicated. IMPACT...Minor damage to outdoor objects is possible. Locations impacted include... Park City, Heber City, Heber, Kamas, Oakley, Francis, Daniel, Wanship, South Snyderville Basin, Samak, North Snyderville Basin, Wasatch Mountain State Park, Midway, Charleston, Peoa, Woodland, Marion, Hailstone, Jordanelle Reservoir, and Rockport State Park.

At 659 AM MDT, Doppler radar was tracking a strong thunderstorm over Pleasant Grove, or 10 miles northwest of Provo, moving northeast at 25 mph. HAZARD...Half inch hail. SOURCE...Radar indicated. IMPACT...Minor damage to outdoor objects is possible. Locations impacted include... Orem, Lehi, Draper, Pleasant Grove, American Fork, Heber, Lindon, Alpine, Vineyard, Little Cottonwood Canyon, Wasatch Mountain State Park, Big Cottonwood Canyon, Utah Lake, Highland, Cedar Hills,

At 700 AM MDT, Doppler radar was tracking strong thunderstorms along a line extending from 9 miles southwest of Howell to near Tremonton. Movement was north at 35 mph. HAZARD...Nickel size hail. SOURCE...Radar indicated. IMPACT...Minor damage to outdoor objects is possible. Locations impacted include... Tremonton, Cache, Lewiston, Clarkston, Trenton, Plymouth, Howell, Benson, Peter, Riverside, Richmond, Garland, Honeyville, Mendon, Elwood, Newton, Amalga, Fielding, Deweyville, and Cornish.

* WHAT...Heat index values up to 106. * WHERE...Prairie, White, Jackson, Lawrence, Monroe, Randolph, Woodruff, Independence, Sharp, and Arkansas Counties. * WHEN...Until 8 PM CDT Saturday. * IMPACTS...Hot temperatures and high humidity may cause heat illnesses. Drink plenty of fluids, stay in an air-conditioned room, stay out of the sun, and check up on relatives and neighbors. Take extra precautions when outside. Wear lightweight and loose fitting clothing. Try to limit strenuous activities to early morning

At 620 AM MDT, Doppler radar was tracking a strong thunderstorm over Evanston, moving northeast at 25 mph. HAZARD...Half inch hail. SOURCE...Radar indicated. IMPACT...Minor damage to outdoor objects is possible. Locations impacted include... Evanston and Almy. This includes Interstate 80 in Wyoming between mile markers 1 and 16. If outdoors, consider seeking shelter inside a building.

At 621 AM MDT, Doppler radar was tracking a strong thunderstorm near Utah Lake, or 11 miles west of Provo, moving north at 30 mph. HAZARD...Half inch hail. SOURCE...Radar indicated. IMPACT...Minor damage to outdoor objects is possible. Locations impacted include... Provo, Sandy, Orem, Lehi, Draper, Pleasant Grove, American Fork, Lindon, Alpine, Vineyard, Wasatch Mountain State Park, Granite, Utah Lake, Little Cottonwood Canyon, Saratoga Springs, Highland, Cedar Hills, Mt Timpanogos, and Sundance.

At 821 AM EDT, Doppler radar was tracking a strong thunderstorm over Brownstown, or 8 miles southwest of Seymour, moving southeast at 25 mph. HAZARD...Winds in excess of 40 mph. SOURCE...Radar indicated. IMPACT...Gusty winds could knock down tree limbs and blow around unsecured objects. Locations impacted include... Seymour, Brownstown, Crothersville, and Vallonia. This includes Interstate 65 between mile markers 37 and 43. If outdoors, consider seeking shelter inside a building.

At 623 AM MDT, Doppler radar was tracking strong thunderstorms along a line extending from 21 miles southeast of Park Valley to 12 miles south of Great Salt Lake North of the Causeway. Movement was northeast at 40 mph. HAZARD...Penny size hail. SOURCE...Radar indicated. IMPACT...Minor damage to outdoor objects is possible. Locations impacted include... Snowville, Howell, Great Salt Lake North of the Causeway, Locomotive Springs, Promontory, Lakeside, Gunnison Island, and Golden Spike Historic Site.

At 814 AM EDT, Doppler radar was tracking a strong thunderstorm near Addison (Webster Springs), or near Webster Springs, moving southeast at 25 mph. HAZARD...Wind gusts up to 40 mph. SOURCE...Radar indicated. IMPACT...Gusty winds could knock down tree limbs and blow around unsecured objects. Locations impacted include... Marlinton, Cass Scenic Railroad, Webster Springs, Addison (Webster Springs), Snowshoe, Mingo, Edray, Cranberry Mountain Nature Center, Slaty Fork, Bergoo, and Waneta.