Weather Alerts For Milwaukie, OR

# HEADLINE -------------------- EXTREME HEAT WATCH NOW IN EFFECT FROM SUNDAY MORNING THROUGH TUESDAY EVENING # DETAILS -------------------- WHAT Dangerously hot conditions with temperatures between 95 and 100 degrees possible. WHERE Portland Metro Lowlands, Western Columbia River Gorge, Inner Vancouver Metro, and East Clark County Lowlands. WHEN From Sunday morning through Tuesday evening. IMPACTS Heat related illnesses increase significantly during extreme heat events. ADDITIONAL DETAILS Low temperatures between 63 to 67 degrees are possible for Monday morning and Tuesday morning. However, there is a 5-15% chance low temperatures will remain above 70 degrees Monday morning and a 15-30% chance Tuesday morning, which would lead to poor overnight relief. ISSUED AT Wednesday, June 10, 2026 at 10:01 AM 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. Do not leave young children and pets in unattended vehicles. Car interiors will reach lethal temperatures in a matter of minutes. Monitor the latest forecasts and warnings for updates. If you do not have air conditioning in your home or lack shelter, you can call 211 for assistance locating appropriate shelter from the heat. # AREAS AFFECTED -------------------- 84 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 Tigard, Gresham, Evergreen, North Bonneville, Fairview, Rooster Rock, Portland, Stevenson, Sellwood, Washougal, Hillsboro, Bonneville, Salmon Creek, Multnomah Falls, Cape Horn, Camas, Eagle Creek, Beacon Rock SP, Vancouver, Cascade Locks, Sherwood, Happy Valley, Troutdale, Rockcreek, Lake Oswego, Forest Grove, and Oregon City