Wasatch Front residents were not under any National Weather Service watches, warnings or advisories as of the Salt Lake City forecast office’s latest statewide discussion, issued at 2:03 p.m. MDT on Sept. 12. That product listed none for Utah. The only Utah warning issued later that afternoon was a flash flood warning for Capitol Reef National Park in northeastern Garfield and south-central Wayne counties, in effect until 6:30 p.m. MDT on Sept. 12 — well south of Salt Lake City, South Weber and the Utah Valley corridor.
The more persistent local hazard is fire, not weather. Stage 1 fire restrictions remain in effect on state and private unincorporated land in Salt Lake and Davis counties (orders dated June 19) and Utah County (dated June 10), according to the official Utah Fire Info restrictions page. The Utah Bureau of Criminal Identification’s AMBER Alert page was not posting an active alert.
Weather along the Wasatch Front
A dry cold front was forecast to move through northern and central Utah late on Sept. 13 into the morning of Sept. 14, bringing cooler air and a shift to gusty northwesterly winds. The Salt Lake City office expected southwesterly gusts up to 35 mph on Sept. 12 and up to 40 mph on Sept. 13 ahead of that front, strongest in western valleys. Those gusts were described as remaining below advisory criteria.
For the Salt Lake Valley — including Salt Lake City, West Jordan and Sandy — the zone forecast issued at 12:41 p.m. MDT on Sept. 12 called for mostly clear conditions overnight with lows around 70 and south winds 10 to 20 mph, then a 20 percent chance of afternoon showers and thunderstorms on Sept. 13 with highs in the upper 80s and southwest winds 10 to 20 mph. The Utah Valley zone, covering Lehi, Provo and Payson, was similarly breezy on Sept. 13, with a slight chance of thunderstorms in the afternoon. Highs on Sept. 14 were expected to run 5 to 10 degrees below normal across northern Utah, near 75 in Salt Lake City.
Isolated thunderstorms and an isolated flash-flood threat were focused on southeastern Utah, from the Lake Powell area into the Uinta Basin, not the Wasatch Front. At Capitol Reef, radar indicated 0.25 to 0.5 inches of rain on washes including Pleasant Creek, Burro Wash, Cottonwood Wash, Five Mile Wash and Sheets Gulch when the warning was issued at 3:34 p.m. MDT on Sept. 12.
Fire restrictions and wildfires
Utah Fire Info’s current orders keep much of the Wasatch Front under Stage 1 rules: no open fires except in established public facilities in improved campgrounds and picnic areas, or in permanently constructed fire pits at private homes where running water is present; no smoking except in an enclosed vehicle, trailer or building, a developed recreation site, or while stopped on pavement or ground free of dry vegetation; no fireworks, tracer ammunition or exploding targets; no cutting, welding or grinding metal in dry vegetation; and spark arrestors required on motorcycles, chainsaws, ATVs and other small engines. Exploding targets remain prohibited on Forest Service, Bureau of Land Management and State Trust lands statewide, and in Utah and Tooele counties.
Longstanding Uinta-Wasatch-Cache National Forest special orders also restrict campfires in high-use canyons along the urban front, including Mill Creek, Little and Big Cottonwood, Emigration and Parleys canyons; American Fork Canyon and the Alpine Loop; Farmington and Ward canyon roads; and the Davis County Bonneville Shoreline bench. The forest’s alerts list additional public-safety closures, including a portion of the Bonneville Shoreline Trail in the Salt Lake Ranger District because of a failing Bear Canyon Bridge, trail work in Mineral Fork and nearby drainages through Nov. 30, and the Deer Hollow Trail on the Spanish Fork Ranger District because of fire-damaged trees, soils and trail structures.
Statewide, National Interagency Fire Center data compiled at 8:35 p.m. on Sept. 12 showed seven active Utah wildfires covering about 134,527 acres, with average containment of 82 percent. The largest, the Widemouth 2 Fire in Millard County, was listed at 129,741 acres and 98 percent contained. The Slough Canyon Fire in Grand County was 4,774 acres and 66 percent contained. A 12-acre South Street Fire in Utah County appears in that inventory, but interagency records date its discovery to February 2026 near Lake Shore; it is not a new Wasatch Front evacuation threat.
Closer to home, Utah Fire Info reported on Sept. 8 that the Peteetneet Fire in Utah County was 95 percent contained at 45 acres, with the Thunder Mountain crew remaining to mop up and full containment expected that shift. On Sept. 11, South Weber Fire said a grass fire near the Geneva gravel pits in South Weber was completely out after a multi-agency response that included the Davis County Sheriff’s Office, Weber Fire District, Utah Highway Patrol and Layton City Fire.
Fire weather for Sept. 13 still favored gusty outflow from isolated storms in southern and eastern Utah and southwest gusts up to 40 mph in western valleys, with minimum relative humidity in the upper teens in northern western valleys.
Other public-safety notes
Utah Highway Patrol said a 52-year-old Tooele County man died after a chain-reaction motorcycle crash about 11:17 a.m. on Sept. 12 on U.S. 89 near Gordon Avenue in Layton. He was participating in the annual Fire Ride from Sandy to Ogden, was not wearing a helmet, and died while being taken to a hospital; two other motorcyclists were involved.
Davis County Emergency Management, based at 800 West State Street in Farmington, continues to urge residents to register for Everbridge alerts by text, email or phone, and notes that Layton residents should also use that city’s Emergency Notification System. Wireless Emergency Alerts for AMBER and other life-safety messages do not require signup; Utah transmits those to capable phones between 6 a.m. and 10 p.m. The county is also holding a free Emergency Preparedness Fair on Sept. 26.
For live updates, NWS Salt Lake City products are at weather.gov/saltlakecity, fire restriction maps and orders at utahfireinfo.gov, and missing-child activations at the Bureau of Criminal Identification AMBER page.