AREAS AFFECTED : NORTH OREGON COAST RANGE LOWLANDS; CENTRAL OREGON COAST RANGE LOWLANDS; NORTH OREGON COAST RANGE; CENTRAL OREGON COAST RANGE; LOWER COLUMBIA RIVER; OUTER SOUTHEAST PORTLAND METRO; WEST CENTRAL WILLAMETTE VALLEY; EAST CENTRAL WILLAMETTE VALLEY; BENTON COUNTY LOWLANDS; LINN COUNTY LOWLANDS; LANE COUNTY LOWLANDS; WEST COLUMBIA RIVER GORGE OF OREGON ABOVE 500 FT; UPPER HOOD RIVER VALLEY; CENTRAL COLUMBIA RIVER GORGE I-84 CORRIDOR; CLACKAMAS COUNTY CASCADE FOOTHILLS; CASCADE FOOTHILLS OF MARION AND LINN COUNTIES; LANE COUNTY CASCADE FOOTHILLS; WILLAPA AND WAHKIAKUM LOWLANDS; WILLAPA HILLS; COWLITZ COUNTY LOWLANDS; NORTH CLARK COUNTY LOWLANDS; SOUTH WASHINGTON CASCADE FOOTHILLS; CENTRAL COLUMBIA RIVER GORGE - SR 14
* WHAT...Temperatures of 92 to 98 degrees F expected.
* WHERE...Central and Southern Willamette Valley, Northern and
Central Coast Range Valleys and Mountains of Oregon, Foothills of
the Northern and Central Oregon Cascades, Central Columbia River
Gorge and the Hood River Valley, Willapa Hills and Adjacent River
Valleys of Pacific and Wahkiakum Counties, Lower Columbia River
and Cowlitz River Valleys, Outer Southeast Portland Metro, West
Columbia River Gorge of Oregon above 500 ft, North Clark County
Lowlands, and South Washington Cascade Foothills.
* WHEN...From 11 AM Sunday to 11 PM PDT Tuesday.
* IMPACTS...Hot temperatures may cause heat illnesses.
* ADDITIONAL DETAILS...Peak heating days will be Sunday and Monday
with a slight cool down on Tuesday. Overnight temperatures will
remain elevated Sunday night into Monday morning, and Monday night
into Tuesday morning. Night time temperatures ranging from 60 to
65 degrees F will lead to limited overnight relief.