12:15 PM
— July 21st, 3:15 AM
* WHAT...Flash flooding caused by excessive rainfall is possible.
* WHERE...A portion of Utah, including the following areas, Castle
Country, Central Mountains, Eastern Juab/Millard Counties, San
Rafael Swell, Sanpete Valley, Sevier Valley, Wasatch Plateau/Book
Cliffs, Western Millard and Juab Counties, Bryce Canyon Country,
Capitol Reef National Park and Vicinity, Glen Canyon Recreation
Area/Lake Powell, South Central Utah, Southern Mountains, Upper
Sevier River Valleys, Western Canyonlands, Lower Washington
County, Southwest Utah and Zion National Park. This includes
recent burn scars such as Cottonwood, Silver King, Forsyth, France
Canyon, Monroe Canyon.
* WHEN...From Tuesday afternoon through late Tuesday night.
* IMPACTS...Excessive rainfall may result in flooding of slot
canyons, normally dry washes, slick rock areas, recent burn scars
including Forsyth, France Canyon, Cottonwood, Silver King, and
Monroe Canyon, and other low-lying and flood-prone locations.
Flooding may occur in poor drainage and urban areas.
* ADDITIONAL DETAILS...
- http://www.weather.gov/safety/flood
12:16 PM
— July 21st, 12:00 AM
* WHAT...Hazardous temperatures in excess of 100 degrees are
forecast to develop this afternoon across valley locations in
northwest Utah, particularly along the northern Wasatch Front and
the Great Salt Lake Desert.
* WHERE...Eastern Box Elder County, Great Salt Lake Desert and
Mountains, Northern Wasatch Front, Salt Lake Valley, and Tooele
and Rush Valleys.
* WHEN...Until midnight MDT tonight.
* IMPACTS...Hot temperatures may cause heat illnesses.
Little Mill
The National Forest will be conducting hazardous fuels reduction work in and around Granite Flat and Little Mill Campgrounds during the summer of 2026 to help reduce wildfire risk. Visitors may see crews working and hear chainsaws Monday–Thursday from 10:00 a.m. to 6:00 p.m., though crews will avoid occupied campsites whenever possible. Work will include removing smaller trees and trimming larger ones, while preserving aspen stands to encourage healthy forest growth.
Granite Flat
The National Forest will be conducting hazardous fuels reduction work in and around Granite Flat and Little Mill Campgrounds during the summer of 2026 to help reduce wildfire risk. Visitors may see crews working and hear chainsaws Monday–Thursday from 10:00 a.m. to 6:00 p.m., though crews will avoid occupied campsites whenever possible. Work will include removing smaller trees and trimming larger ones, while preserving aspen stands to encourage healthy forest growth.
Timpanogos Cave National Monument
The visitor center, caves, and cave access trail will be closed on August 7th for all employee meetings. The picnic areas and Swinging Bridge Nature Trail remain open.
Timpanogos Cave National Monument
Record snowpack across Utah has increased the potential for flooding and debris flows in the park. Visitors should be aware and watch for flooding and associated hazards in the park and canyon.
Timpanogos Cave National Monument
The Western National Parks (WNP) bookstore has moved to a cashless operation at Timpanogos Cave National Monument. Purchases can be made with credit and debit cards as well as contactless payment methods including Google Pay, Apple Pay, and Samsung Pay.
Timpanogos Cave National Monument
Reservations are strongly recommended. Reservations are the only way to ensure a spot is available for your party. Please plan accordingly by visiting Recreation.gov to secure your tickets in advance. Availability of walk-up tickets is not guaranteed.
Timpanogos Cave National Monument
Heat illnesses can occur on the hiking trail. Always carry and drink plenty of water—at least 1 liter. Dehydration and heat illness can happen quickly, even on short hikes. Be prepared.
Ashley National Forest
Prohibited by this order: Possessing, storing, or transporting non-pelletized hay, straw, or mulch in the Intermountain Region, unless it is certified as weed free by the state where the product originated.
Ashley National Forest
Prohibited by this order: Possessing, discharging, or using any kind of firework or other pyrotechnic device. 36 CFR §261.52(t)Operating or using any internal or external combustion engine without a spark arresting device properly installed, maintained and in effective working order as described…
Ashley National Forest
This order prohibits the use of explosives and exploding targets on National Forest System lands within the Intermountain Region.
Ashley National Forest
Pulling any object, including a person or persons behind a boat; or operating a boat to cause a wake for the purpose of pulling a person or object, with or without a rope is prohibited inside Horseshoe Canyon.
Ashley National Forest
Flaming Gorge Reservoir water elevations are expected to be lower than normal this year due to long‑term drought conditions and increased releases from Flaming Gorge Dam. Lower water levels can expose offshore hazards that are normally deep enough to avoid, such as rocks, debris, logs and other…
Ashley National Forest
For the protection of public health and safety, it is prohibited to fish from any concrete boat ramp on the Flaming Gorge Reservoir.