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West Valley City Warnings, Watches and Advisories

NWS Active Alerts for UT - Map View

State: UT Total alerts: 2 Updated: Sep 18, 2026 7:16am MDT

Special Weather Statement

Area
Great Salt Lake Desert and Mountains; Eastern Box Elder County; Cache Valley/Utah Portion; Wasatch Mountains I-80 North
Special Weather Statement issued September 18 at 7:00AM MDT by NWS Salt Lake City UT

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. This includes the following highways... Interstate 15 between mile markers 372 and 400. Interstate 84 between mile markers 14 and 42.

Special Weather Statement

Area
Utah Valley; Wasatch Back; Wasatch Mountains South of I-80
Special Weather Statement issued September 18 at 6:59AM MDT by NWS Salt Lake City UT

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, Midway, Charleston, Alta, Snowbird, and Mt Timpanogos. This includes the following highways... Interstate 15 between mile markers 271 and 280. US Route 40 near mile marker 16.

SAFETY and DATA MESSAGE

When a severe thunderstorm warning is issued, the storm may produce damaging winds, large hail, dangerous lightning, and heavy rain. In some cases, heavy rainfall produced by a severe storm can also lead to flash flooding. Do not drive vehicles through flooded areas. The water depth or fast flowing water/mud/debris from a flash flood will make road conditions unsafe. Do not rely soley on data presented here or other third-party websites - always check your official national and local weather service agency website, socials, radio and/or TV stations for making critical decisions related to weather events.

Please carefully read each posted Warning and Alert as it relates to the area(s) being affected. We may provide a wider range of issued severe weather warnings for surrounding cities and counties, so some alerts may not directly impact this location. This is done to help with preparing for severe weather that may overlap or be heading towards West Valley City.

Use the Radar Maps link provided to understand the trajectory of a storm.

For more official information about severe storms and how to stay safe, visit the National Weather Service's Severe Thunderstorm Safety page. We encourage you to also monitor Excessive Rainfall Forecasts on their Weather Prediction Center website.

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