12:26 PM
— July 21st, 2:00 PM
* WHAT...Dangerously hot conditions with temperatures up to 108
possible.
* WHERE...Antelope Valley.
* WHEN...From Thursday morning 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.
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...Dangerously hot conditions with high temperatures 103 to
108 possible. Low temperatures in the low to mid-70s, locally near
80 degrees in the Lucerne Valley.
* WHERE...Apple and Lucerne Valleys.
* WHEN...From Wednesday morning through Monday evening.
* IMPACTS...Heat related illnesses increase significantly during
extreme heat events.
* ADDITIONAL DETAILS...Areas of major HeatRisk. Elevated low
temperatures will limit overnight relief from the heat.
12:11 PM
— 10:15 PM
* WHAT...Dangerously hot conditions with high temperatures 113 to
117 possible. Low temperatures in the upper 80s.
* WHERE...Coachella Valley, San Diego County Deserts, and San
Gorgonio Pass near Banning.
* WHEN...From Wednesday morning through Monday evening.
* IMPACTS...Heat related illnesses increase significantly during
extreme heat events.
* ADDITIONAL DETAILS...Major HeatRisk. Elevated low temperatures
will limit overnight relief from the heat.
11:54 AM
— July 21st, 5:00 AM
* WHAT...Dangerously hot conditions possible. Afternoon temperatures
104 to 113. Major Heat Risk. Overexposure can cause heat cramps and
heat exhaustion to develop and, without intervention, can lead to
heat stroke.
* WHERE...Portions of southwest Arizona and southeast and southern
California.
* WHEN...From Wednesday morning through Monday evening.
* IMPACTS...Heat related illnesses increase significantly during
extreme heat events.
11:54 AM
— July 21st, 5:00 AM
* WHAT...Dangerously hot conditions possible. Afternoon temperatures
105 to 116. Major Heat Risk. Overexposure can cause heat cramps and
heat exhaustion to develop and, without intervention, can lead to
heat stroke.
* WHERE...In Arizona, Central La Paz, Gila River Valley, Kofa, and
Southeast Yuma County. In California, Joshua Tree NP East and
Joshua Tree NP West.
* WHEN...From Thursday morning through Monday evening.
* IMPACTS...Heat related illnesses increase significantly during
extreme heat events.
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.
12:11 PM
— 10:15 PM
* WHAT...High temperatures 100 to 107 expected. Low temperatures in
the low 70s.
* WHERE...San Bernardino and Riverside County Valleys-The Inland
Empire.
* WHEN...From 10 AM Wednesday to 8 PM PDT Monday.
* IMPACTS...Hot temperatures may cause heat illnesses.
* ADDITIONAL DETAILS...Widespread moderate with areas of major
HeatRisk. Elevated low temperatures will limit overnight relief
from the heat.
12:11 PM
— 10:15 PM
* WHAT...High temperatures 95 to 100 degrees expected. Low
temperatures in the upper 60s to low 70s.
* WHERE...Orange County Inland Areas, San Diego County Valleys, and
Santa Ana Mountains and Foothills.
* WHEN...From 10 AM Wednesday to 8 PM PDT Monday.
* IMPACTS...Hot temperatures may cause heat illnesses.
* ADDITIONAL DETAILS...Widespread moderate HeatRisk with localized
major HeatRisk. Elevated low temperatures will limit overnight
relief from the heat.
Crab Flats
**RVs are not recommended due to rough road conditions. High clearance vehicles only.**
Mojave National Preserve
Kelso Depot Visitor Center is closed for rehabilitation of the heating and cooling system. We expect to reopen the depot in 2026. The restrooms beside the depot are open.
Mojave National Preserve
In the event there are train siding operations at the crossing near Kelso Depot, delays may be up to one hour. Please plan accordingly for this possibility with extra fuel and drinking water. Union Pacific Contact: 1 800 848-8715
Mojave National Preserve
Drive slowly and exercise due caution when driving in Mojave National Preserve. Rough and damaged roads exist on both paved and unpaved roads. Watch for potholes. Aiken Mine Rd. is now 4WD only due to soft sand and mudholes. Rocks and debris on Zzyzx Rd.
Mojave National Preserve
Fire restrictions are in place at Mojave National Preserve and Castle Mountains National Monument. Wood and charcoal fires are not permitted. Most camp stoves are. See fire restriction order for additional restrictions and details.
Mojave National Preserve
Flooding has resulted in debris along Cima Road as well as shoulders being washed out. Please use caution when driving and watch for road crews at work. Be aware that unimproved and dirt roads may be impassible due to washouts, so plan accordingly.
Heart Bar Equestrian
**Opening day for this campground has been delayed due to continued road damage repair work. We hope to be able to open in the 2026 summer. We sincerely apologize for any inconvenience this may cause and greatly appreciate your patience. **
Heart Bar Campground
**Opening day for this campground has been delayed due to continued road damage repair work. We hope to be able to open in the 2026 summer. We sincerely apologize for any inconvenience this may cause and greatly appreciate your patience. **
Heart Bar Campground
**Opening day for this campground has been delayed due to continued road damage repair work. We hope to be able to open at some point this year, but as of right now that seems unlikely. We sincerely apologize for any inconvenience this may cause and greatly appreciate your patience.**
Grays Peak Group Camp
**Opening day has been delayed to May 15th, 2026, due to a road closure.** We sincerely apologize for any inconvenience this may cause and appreciate your understanding.
Skyline
**Opening day for this campground has been delayed due to continued road damage repair work. We hope to be able to open in the 2026 summer. We sincerely apologize for any inconvenience this may cause and greatly appreciate your patience. **
Green Spot Equestrian Group Camp
**Opening Day has been delayed due to a FS road closure**. We sincerely apologize for any inconvenience this may cause and hope to be able to open in June of this year. Thank you for your patience and understanding.
Applewhite Campground
The Applewhite Picnic Area **across** from the campground is closed until further notice.
Applewhite Campground
**Our facility is experiencing a water outage. Please bring all the water you’ll need for your visit, including drinking water. Portable toilets will be available for use. We appreciate your patience and understanding.**
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…
Ironwood Group Camp
If you need assistance during your stay, please see the Host at the nearby Big Pine Flat Family Campground.
Tent Peg Group
**Opening day has been delayed due to extensive road damage.** We hope to be able to open in June of this year. If this closure is extended reservation holders will be fully refunded. We appreciate your patience and understanding.
Tent Peg Group
**RVs are not recommended due to rough road conditions. High clearance vehicles only.**
Dogwood
A bear or multiple bears have been spotted in the area. Please be aware at all times, and visit our agency website for bear safety tips and more information.
Coon Creek Group Campground
**Opening day for this campground has been delayed due to continued road damage repair work. We hope to be able to open in the 2026 summer. We sincerely apologize for any inconvenience this may cause and greatly appreciate your patience. **
Wild Horse Equestrian Family
**Opening day for this campground has been delayed due to continued road damage repair work. We hope to be able to open in the 2026 summer. We sincerely apologize for any inconvenience this may cause and greatly appreciate your patience. **
Wild Horse Equestrian Family
**Opening day for this campground has been delayed due to continued road damage repair work. We hope to be able to open at some point this year, but as of right now that seems unlikely. We sincerely apologize for any inconvenience this may cause and greatly appreciate your patience.**