12:26 PM
— July 21st, 2:00 PM
* WHAT...For the Heat Advisory, temperatures between 93 to 103
expected. For the Extreme Heat Watch, dangerously hot conditions
with temperatures between 97 and 107 possible.
* WHERE...A portion of southwest California.
* WHEN...For the Heat Advisory, from 10 AM to 8 PM PDT Wednesday.
For the Extreme Heat Watch, from Wednesday evening through Monday
evening.
* IMPACTS...There is a high risk for dangerous heat illness for
anyone, especially for the very young, the very old, those without
air conditioning, and those active outdoors. There is a high risk
for heat illness for sensitive populations including the very
young, the very old, those without air conditioning, and those
active outdoors.
12:26 PM
— July 21st, 2:00 PM
* WHAT...For the Heat Advisory, temperatures between 93 to 103
expected. For the Extreme Heat Watch, dangerously hot conditions
with temperatures between 97 and 107 possible.
* WHERE...A portion of southwest California.
* WHEN...For the Heat Advisory, from 10 AM to 8 PM PDT Wednesday.
For the Extreme Heat Watch, from Wednesday evening through Monday
evening.
* IMPACTS...There is a high risk for dangerous heat illness for
anyone, especially for the very young, the very old, those without
air conditioning, and those active outdoors. There is a high risk
for heat illness for sensitive populations including the very
young, the very old, those without air conditioning, and those
active outdoors.
12:11 PM
— 10:15 PM
* WHAT...High temperatures in the mid-80s to 90s expected below 6000
ft. Low temperatures in the low to mid-70s.
* WHERE...Riverside County Mountains, San Bernardino County
Mountains, and San Diego County Mountains.
* WHEN...From 10 AM Wednesday to 8 PM PDT Monday.
* IMPACTS...Hot temperatures may cause heat illnesses.
* ADDITIONAL DETAILS...Widespread moderate HeatRisk. Elevated low
temperatures will limit overnight relief from the heat.
Angeles National Forest
Fireworks and explosives (including explosive targets) are always prohibited on national forest lands. The prohibition of fireworks and exploding targets on national forest system lands is part of a set of permanent fire safety regulations in the Code of Federal Regulations (CFR), listed below.…
Angeles National Forest
Effective June 12, 2026, fire danger levels have increased to “HIGH” at the Angeles National Forest, which includes the San Gabriel Mountains National Monument. Visit our Newsroom Webpage to read the full press release.
Angeles National Forest
The San Dimas Experimental Forest, located north of Glendora, is currently closed to public recreation activities. The reason for this closure is that the Experimental Forest's primary purpose is research. Many long-term climate, soil, air pollution, erosion, vegetation, wildlife, and fire studies…
Angeles National Forest
Be aware of the following restricted activities in the San Gabriel Canyon Off-Highway Vehicle Area:Entering or being in the San Gabriel OHV Area when closed. See associated documents and map below.Entering or being in the San Gabriel Reservoir.Parking or leaving a vehicle in violation of posted…
Angeles National Forest
In effort to protect the public and to facilitate natural recovery of the resources affected by the Eaton Fire, this closure extends the Eaton Fire Area Closure through December 31, 2027.The following roads and trails remain closed:RoadsMount Wilson Toll Road (below Mt Wilson Trail) Mount Wilson…
Angeles National Forest
Pursuant to 16 U.S.C. § 551 and 36 C.F.R. § 261.50(a), and to provide for public safety, the following acts are prohibited within the Angeles National Forest and San Gabriel Mountains National Monument. This Order is effective from August 15, 2025, through August 1, 2027.Possessing personal…
Angeles National Forest
The information below provides updates to existing information on our webpage about Angeles National Forest offices and visitor centers. Check this alert regularly. Hours and pass availability may change with limited or no notice.When one office is closed, please contact another forest…
Angeles National Forest
Hikers and equestrians along the Pacific Crest Trail may be affected by a temporary closure of the Williamson Rock area of the Angeles National Forest. This closure (Forest Order No. 05-01-24-04), in effect through December 31, 2026, is for the protection of natural resources, specifically the…
Angeles National Forest
The following is prohibited within the Angeles National Forest and San Gabriel Mountains National Monument from Dec. 16, 2022, through Dec. 15, 2026: 1. Camping outside of a Forest Service developed campground for > 7 consecutive days in a calendar year. 2. Camping outside of a Forest Service…