Inland areas experienced a heat wave August 25th through the 29th, while parts of the region saw wildfires breakout as well.

Excessive Heat in ORANGE COUNTY INLAND, CALIFORNIA
From 25-AUG-21 08:00:00 to 29-AUG-21 20:00:00 (PST-8)
Property damage: 0.00K
Crop damage: 0.00K
Reported by: Mesonet

The region saw widespread 90s with some locales hit near 100 degrees, including Yorba Linda on the 26th.

Excessive Heat in SAN DIEGO COUNTY VALLEYS, CALIFORNIA
From 25-AUG-21 08:00:00 to 29-AUG-21 20:00:00 (PST-8)
Property damage: 0.00K
Crop damage: 0.00K
Reported by: ASOS

The region saw widespread 90s with some locales hit near 100 degrees, including the Ramona ASOS on the 27th.

Wildfire in RIVERSIDE COUNTY MOUNTAINS, CALIFORNIA
From 24-AUG-21 12:38:00 to 27-AUG-21 18:35:00 (PST-8)
Property damage: 2.00M
Crop damage: 0.00K
Reported by: Fire Department/Rescue

The Rock Fire near Anza burned 295 acres and destroyed 4 homes and 8 outbuildings. This fire led to evacuation orders for portions of the city of Anza. Damage amounts are estimated.

Wildfire in SANTA ANA MOUNTAINS AND FOOTHILLS, CALIFORNIA
From 28-AUG-21 11:40:00 to 31-AUG-21 23:59:00 (PST-8)
Property damage: 100.00K
Crop damage: 0.00K
Reported by: Fire Department/Rescue

The Chaparral Fire burned 1,427 acres and was contained on September 1st. This fire led to road closures, as well as a small area of evacuation warnings and orders. A firefighter was injured along with two structures destroyed.

Wildfire in SAN BERNARDINO AND RIVERSIDE COUNTY VALLEYS - THE INLAND EMPIRE, CALIFORNIA
From 25-AUG-21 15:11:00 to 31-AUG-21 14:25:00 (PST-8)
Property damage: 2.50M
Crop damage: 0.00K
Reported by: Fire Department/Rescue

The South Fire burned 819 acres below the Cajon Pass until September 2nd. The led to a series of evacuation warnings and orders along with road closures. 4 homes and 14 other structures were destroyed. Damage amounts are estimated.

Excessive Heat in APPLE AND LUCERNE VALLEYS, CALIFORNIA
From 25-AUG-21 08:00:00 to 29-AUG-21 20:00:00 (PST-8)
Property damage: 0.00K
Crop damage: 0.00K
Reported by: Mesonet

The region saw high temperatures between 100 and 105 degrees.

Excessive Heat in COACHELLA VALLEY, CALIFORNIA
From 25-AUG-21 08:00:00 to 29-AUG-21 20:00:00 (PST-8)
Property damage: 0.00K
Crop damage: 0.00K
Reported by: ASOS

The region saw high temperatures over 115 degrees. The Palm Springs ASOS reported a high of 117 on the 27th.

Excessive Heat in SAN DIEGO COUNTY DESERTS, CALIFORNIA
From 25-AUG-21 08:00:00 to 29-AUG-21 20:00:00 (PST-8)
Property damage: 0.00K
Crop damage: 0.00K
Reported by: Mesonet

The region saw high temperatures over 115 degrees. Ocotillo Wells reported a high of 118 degrees on the 26th.

Excessive Heat in RIVERSIDE COUNTY MOUNTAINS, CALIFORNIA
From 25-AUG-21 08:00:00 to 29-AUG-21 20:00:00 (PST-8)
Property damage: 0.00K
Crop damage: 0.00K
Reported by: Mesonet

The region saw high temperatures in the upper 80s and lower 90s. Idyllwild reached 91 degrees on the 27th and 29th.

Excessive Heat in SAN DIEGO COUNTY MOUNTAINS, CALIFORNIA
From 25-AUG-21 08:00:00 to 29-AUG-21 20:00:00 (PST-8)
Property damage: 0.00K
Crop damage: 0.00K
Reported by: RAWS

The area saw temperatures soar near 100 degrees each day.

Excessive Heat in SAN BERNARDINO AND RIVERSIDE COUNTY VALLEYS - THE INLAND EMPIRE, CALIFORNIA
From 25-AUG-21 08:00:00 to 29-AUG-21 20:00:00 (PST-8)
Property damage: 0.00K
Crop damage: 0.00K
Reported by: ASOS

The area reported high temperatures up to 110 degrees.