Weather Alerts For Cedar Mill, OR

# HEADLINE -------------------- HEAT ADVISORY REMAINS IN EFFECT FROM 11 AM MONDAY TO 11 PM PDT TUESDAY # DETAILS -------------------- WHAT Temperatures up to 93 to 97 degrees expected. WHERE Western and Central Columbia River Gorge, Portland Metro Lowlands, Inner Vancouver Metro, and East Clark County Lowlands. WHEN From 11 AM Monday to 11 PM PDT Tuesday. IMPACTS Hot temperatures may cause heat illnesses. ISSUED AT Sunday, June 21, 2026 at 10:20 PM PDT ISSUED BY National Weather Service Portland OR HEADER URGENT - WEATHER MESSAGE # PRECAUTIONARY/PREPAREDNESS ACTIONS -------------------- Drink plenty of fluids, stay in a cool place during the heat of the day, stay out of the sunshine, and check up on relatives and neighbors. For those without air conditioning, use fans to keep air moving. Keeps windows closed during the day and open at night, unless air quality is degraded due to wildfire smoke. # AREAS AFFECTED -------------------- 84 Corridor, 84 Corridor, Central Columbia River Gorge I, Central Columbia River Gorge SR 14 Corridor, East Clark County Lowlands, East Portland Metro, Inner Portland Metro, Inner Vancouver Metro, Tualatin Valley, West Columbia River Gorge I, West Columbia River Gorge SR 14 Corridor Including the cities of Cascade Locks, Salmon Creek, Washougal, Wyeth, Fairview, Troutdale, North Bonneville, Lake Oswego, Tigard, Camas, Stevenson, Rockcreek, Forest Grove, Vancouver, Cape Horn, Happy Valley, Rooster Rock, Hood River, Sellwood, Hillsboro, Gresham, Eagle Creek, Sherwood, Oregon City, Bonneville, Evergreen, Beacon Rock SP, Portland, Underwood, Multnomah Falls, and Carson

Pollen Index: 8.7 Pollen Level: medium-high Predominant Pollen: Grass and Sorrel/Dock. The pollen levels for Sunday will remain relatively stable in the high range. This is a result of stable humidity. The pollen producing plants are delivering a fairly constant level of pollen into the air.