Columbia County, OR
Alerts
Alerts are listed in order of start time and level of severity. Click on the alert title to read details for each alert.
In effect from Sunday 06/14 11:00 AM PDT – Tuesday 06/16 11:00 PM PDT
Issued by NWS Portland OR
What
Dangerously hot conditions with temperatures between 95 and 100 degrees F possible.
Where
Greater Portland Metro, Central Willamette Valley, Western Columbia River Gorge, Lower Columbia River, 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
Peak heating days will be Sunday and Monday with the potential for 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 60-65 degrees will lead to poor overnight recovery with less relief. There is currently around a 10% chance of Extreme HeatRisk for Portland proper and the West Hills on Monday, with a 25% chance of a high temperature of 100 degrees F. Conditions remain elevated on Tuesday, though confidence is lower in regards to whether significant heat will persist.
What to Do
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 Impacted
- Lower Columbia River
- Tualatin Valley
- West Hills and Chehalem Mountains
- Inner Portland Metro
- East Portland Metro
- Outer Southeast Portland Metro
- West Central Willamette Valley
- East Central Willamette Valley
- West Columbia River Gorge I-84 Corridor
- Inner Vancouver Metro
- East Clark County Lowlands
- West Columbia River Gorge - SR 14
Tips to Stay Safe
An Extreme Heat Watch means to expect extremely dangerous heat conditions in the next few days. Take action ahead of time to stay safe during extreme heat.
- Plan to stay in air-conditioned spaces if possible. Find cooling centers or places with AC in your community that you can go to, like libraries or shopping malls.
- Cover windows with curtains or shades, or use window reflectors designed to reflect heat back outside.
- Make sure you know the signs of heat-related illness and how to respond.
- Stock up on clean drinking water.
- Check in on neighbors, family, and friends, ensuring they have a plan to keep cool.
Briefings
From the Forecaster
Extreme Heat Watch
Created by the NWS Portland WFO
🌡️ Extreme Heat Watches have been issued from Sunday, June 14th through Tuesday, June 16th for the Portland-Vancouver Metro Area, Central Willamette Valley, Lower Columbia River Valley, and Western Columbia River Gorge. Now is the time to prepare for hot temperatures! 🧢 Have sunscreen & light-colored, loose-fitted clothing 🥵 Avoid strenuous outdoor activities during the hottest part of the day if possible 💨 Find locations with air conditioning ⚠️ Beware of cold water shock: wear personal flotation devices when swimming in local rivers and lakes
Seven-day Weather Risk Overview
The graphic shows the daily risk summary for 7 days. Daily risk is based on highest risk factor for that day.
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