Hot weather began to develop August 9, peaking August 11-12, but temperatures continued above normal into the weekend. Peak afternoon temperatures of 100 to 105 degrees drove people to seek relief in or near bodies of water. Heat caused slowdowns on the MAX light rail (Portland metro area) systems, and some businesses did close due to the heat. Cooling shelters were opened in several counties.

Excessive Heat in GREATER  PORTLAND METRO AREA, OREGON
From 11-AUG-21 14:00:00 to 12-AUG-21 20:00:00 (PST-8)
Property damage: 0.00K
Crop damage: 0.00K
Reported by: ASOS

The high temperature at Hillsboro (KHIO) was 103 degrees on the 11th and 12th, while it was 102 degrees on the 11th and 103 degrees on the 12th at Portland International Airport (KPDX).

Excessive Heat in UPPER HOOD RIVER VALLEY, OREGON
From 11-AUG-21 14:00:00 to 12-AUG-21 20:00:00 (PST-8)
Property damage: 0.00K
Crop damage: 0.00K
Reported by: Other Federal Agency

The Dee Flat agrimet station (DEFO) reported a high temperature of 101 degrees on the 11th and 97 degrees on the 12th.

Excessive Heat in CASCADE FOOTHILLS IN LANE COUNTY, OREGON
From 11-AUG-21 14:00:00 to 12-AUG-21 20:00:00 (PST-8)
Property damage: 0.00K
Crop damage: 0.00K
Reported by: Mesonet

A mesonet sensor (C4896) near Walterville reported high temperature of 100 degrees on the 11th and 101 degrees on the 12th.

Excessive Heat in LOWER COLUMBIA, OREGON
From 11-AUG-21 14:00:00 to 12-AUG-21 20:00:00 (PST-8)
Property damage: 0.00K
Crop damage: 0.00K
Reported by: Department of Highways

The high temperatures near Rainier (ODT93) was 100 degrees on the 11th and 12th.

Excessive Heat in COAST RANGE OF NW OREGON, OREGON
From 11-AUG-21 14:00:00 to 12-AUG-21 20:00:00 (PST-8)
Property damage: 0.00K
Crop damage: 0.00K
Reported by: Department of Highways

The ODOT sensor along highway 26 at the Sunset Summit Rest Area (ODT96) reported 101 degrees on the 11th and 12th.

Excessive Heat in SOUTHERN WILLAMETTE VALLEY, OREGON
From 11-AUG-21 14:00:00 to 12-AUG-21 20:00:00 (PST-8)
Property damage: 0.00K
Crop damage: 0.00K
Reported by: Broadcast Media

A 22-year-old woman drowned Wednesday August 11th after being swept away while wading in the the Willamette River near the pedestrian bridge between the University of Oregon campus and Autzen Stadium. The high temperature at Eugene (KEUG) was 102 degrees on the 11th and 104 degrees on the 12th.

Excessive Heat in WESTERN COLUMBIA RIVER GORGE, OREGON
From 11-AUG-21 14:00:00 to 12-AUG-21 20:00:00 (PST-8)
Property damage: 0.00K
Crop damage: 0.00K
Reported by: RAWS

The RAWS at Dodson (DSRO3) reported 98 degrees on the 11th and 105 on the 12th.

Excessive Heat in CENTRAL COLUMBIA RIVER GORGE, OREGON
From 11-AUG-21 14:00:00 to 12-AUG-21 20:00:00 (PST-8)
Property damage: 0.00K
Crop damage: 0.00K
Reported by: AWOS

In Hood River, at Ken Jernstedt Airfield (K4S2), it was 104 degrees on the 11th and 102 degrees on the 12th.

Excessive Heat in CASCADES IN LANE COUNTY, OREGON
From 11-AUG-21 14:00:00 to 12-AUG-21 20:00:00 (PST-8)
Property damage: 0.00K
Crop damage: 0.00K
Reported by: Mesonet

High temperature in the lower elevations of area was around 100 degrees on the 11th and 12th. The high temperature near Blue River (OD159) along the McKenzie Highway was 104 degrees on the 11th and 102 degrees on the 12th.

Excessive Heat in GREATER  PORTLAND METRO AREA, OREGON
From 14-AUG-21 14:30:00 to 14-AUG-21 14:30:00 (PST-8)
Property damage: 0.00K
Crop damage: 0.00K
Reported by: Broadcast Media

A 61-year-old man drowned while swimming at Hagg Lake on Saturday August 14th, according to the Washington County Sheriff���s Office. The sheriff���s office responded to reports of a swimmer who had gone under water. The high temperature at Hagg lake was 92 degrees on the 14th.

Excessive Heat in CENTRAL WILLAMETTE VALLEY, OREGON
From 11-AUG-21 14:00:00 to 12-AUG-21 20:00:00 (PST-8)
Property damage: 0.00K
Crop damage: 0.00K
Reported by: Broadcast Media

A 22-year-old California man drowned at Scotts Mill City Park in Marion County Wednesday, August 11th. Deputies say children were swimming in the water at the base of the falls around 3 p.m. when they spotted what appeared to be a man underneath the water.  Clackamas County Sheriff���s Office Dive Team responded to the scene and recovered the body of an adult male. He was found in approximately eight feet of water directly below the falls. The high temperature at Salem (KSLE) was 103 degrees on the 11th and 12th.

Excessive Heat in NORTH OREGON CASCADES, OREGON
From 11-AUG-21 14:00:00 to 12-AUG-21 20:00:00 (PST-8)
Property damage: 0.00K
Crop damage: 0.00K
Reported by: Department of Highways

The high temperature in the lower elevations of the Cascades was around 100 degrees on the 11th and 12th.  A sensor on Highway 26 at ZigZag (OD165) reported high temperature of 96 degrees on the 11th and 104 degrees on the 12th. Along highway 22 at Detroit, it was 105 degrees on the 11th and 104 degrees on the 12th as reported by the Detroit Lake agrimet (DTRO). The heat continued in this area until the 13th with a high temperature of 100 degrees.

Excessive Heat in NORTH OREGON CASCADES FOOTHILLS, OREGON
From 11-AUG-21 14:00:00 to 13-AUG-21 20:00:00 (PST-8)
Property damage: 0.00K
Crop damage: 0.00K
Reported by: RAWS

Eagle Creek RAWS (EGKO3) reported high temperature of 101 degrees on the 11th and 12th.