Weather Alert

North Oregon Coast Range Lowlands, Central Oregon Coast Range Lowlands, North Oregon Cascades, Cascades of Marion and Linn Counties, Cascades of Lane County, Willapa and Wahkiakum Lowlands, South Washington Cascades

Heat Advisory

NOAA Issue Date: 8/23/2025 02:04:00 PM What Dangerously hot conditions with high temperatures up to 93-98f and overnight low temperatures of 60-68f possible. Where South Washington Cascades and the northern and central Cascades of Oregon, north and central coast range valleys of Oregon, and Willapa and Wahkiakum lowlands. When Until 5 AM PDT Tuesday. Impacts Heat related illnesses increase significantly during extreme heat events, especially for those spending time outdoors or without access to adequate cooling. 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. Take extra precautions when outside. Wear lightweight and loose fitting clothing. Try to limit strenuous activities to early morning or evening. Take action when you see symptoms of heat exhaustion and heat stroke. Do not leave young children and pets in unattended vehicles. Car interiors will reach lethal temperatures in a matter of minutes.

Weather Alert

Grand Ronde Valley, John Day Basin, Central Oregon, WA-Northwest Blue Mnts

Heat Advisory

NOAA Issue Date: 8/23/2025 01:56:00 PM What Hot conditions with temperatures 95 to 100 degrees expected. This will pose a moderate to locally major risk of heat-related illness. Where In Oregon, central Oregon, John Day basin, and Grande Ronde Valley. In Washington, northwest Blue Mountains. When Until 9 PM PDT Wednesday. Impacts Hot temperatures may cause heat illnesses. Additional details An alternative scenario is lingering cloud cover from possible thunderstorms from southern Oregon may result in lower than forecast afternoon temperatures or higher than forecast overnight low temperatures. Precautionary/preparedness actions... Drink plenty of fluids, stay in an air-conditioned room, stay out of the sun, and check up on relatives and neighbors. Young children and pets should never be left unattended in vehicles under any circumstances. Take extra precautions if you work or spend time outside. When possible reschedule strenuous activities to early morning or evening. Know the signs and symptoms of heat exhaustion and heat stroke. Wear lightweight and loose fitting clothing when possible. To reduce risk during outdoor work, the occupational safety and health administration recommends scheduling frequent rest breaks in shaded or air conditioned environments. Anyone overcome by heat should be moved to a cool and shaded location. Heat stroke is an emergency! call 9 1 1. For sheltering information and other human services in your area, dial 2 1 1 during business hours or visit 211info. Org for Oregon or wa211. Org for Washington anytime.

I-82: MP 10.78 to 0
I-82, Intersection with Old Oregon Trail Highway I-84

I-84: MP 13.03 to 77

I-84: MP 36 to 39
I-84, 5 miles East of Multnomah Falls

I-84: MP 39.65 to 41.4
I-84, 5 miles West of Cascade Locks

I-84: MP 39.65 to 41.4
I-84, 5 miles West of Cascade Locks

I-84: MP 86 to 88
I-84, The Dalles

I-84: MP 86 to 88
I-84, The Dalles

I-84: MP 87.01
I-84, The Dalles

I-84: MP 87.01
I-84, The Dalles

I-84: MP 87.01
I-84, The Dalles

I-84: MP 87.01
I-84, The Dalles

I-84: MP 108.5 to 109.5
I-84, 4 miles East of Biggs Junction

I-84: MP 108.5 to 109.5
I-84, 4 miles East of Biggs Junction

I-84: MP 179.4 to 188.4
I-84, 12 miles East of Intersection with Columbia River Highway US30

I-84: MP 179.7 to 179.8
I-84, 12 miles East of Intersection with Columbia River Highway US30

I-84: MP 179.7 to 179.8
I-84, 12 miles East of Intersection with Columbia River Highway US30

I-84: MP 180.1 to 179.8
I-84, 13 miles East of Intersection with Columbia River Highway US30

I-84: MP 180.1 to 179.8
I-84, 13 miles East of Intersection with Columbia River Highway US30

I-84: MP 180.6
I-84, 13 miles East of Intersection with Columbia River Highway US30

I-84: MP 180.6
I-84, 13 miles East of Intersection with Columbia River Highway US30

I-84: MP 182.6 to 183.1
I-84, 15 miles East of Intersection with Columbia River Highway US30

I-84: MP 182.6
I-84, 15 miles East of Intersection with Columbia River Highway US30

I-84: MP 182.6 to 183.1
I-84, 15 miles East of Intersection with Columbia River Highway US30

I-84: MP 183
I-84, 15 miles East of Intersection with Columbia River Highway US30

I-84: MP 183
I-84, 15 miles East of Intersection with Columbia River Highway US30

I-84: MP 203.77 to 188.42
I-84, 5 miles West of Pendleton

US197: MP 0.5 to 0.8
US197, The Dalles

US26: MP 59.57 to 75.5

US395: MP 33.6 to 42.5

US395: MP 65 to 82.9

US395: MP 90.49 to 97.34

ORE173: MP 0.12 to 5.49

ORE207: MP 4.3 to 36

ORE35: MP 60 to 83.56