Weather Alerts for Columbia County

Issued by the National Weather Service

Extreme Heat Watch  EXTREME HEAT WATCH   Extreme Heat Watch
COLUMBIA COUNTY

Areas Affected:
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 of Oregon above 500 ft - West Columbia River Gorge I-84 Corridor - Upper Hood River Valley - Central Columbia River Gorge I-84 Corridor - Cowlitz County Lowlands - North Clark County Lowlands - Inner Vancouver Metro - East Clark County Lowlands - West Columbia River Gorge - SR 14 - Central Columbia River Gorge - SR 14
Effective: Thu, 7/10 1:28pm Updated: Fri, 7/11 1:30am Urgency: Future
Expires: Fri, 7/11 6:00am Severity:  Severe  Certainty: Likely

 
Details:
* WHAT...Dangerously hot conditions with temperatures between 95 and
105 degrees possible. Low temperatures between 65 to 70 degrees
are possible, which would limit overnight relief.

* WHERE...Greater Portland/Vancouver Metro, Western and Central
Columbia River Gorge, the Corbett area and the Hood River Valley,
Lower Columbia River and Cowlitz River Valleys, and Central
Willamette Valley.

* WHEN...From Tuesday afternoon through Wednesday evening.

* IMPACTS...Heat related illnesses increase significantly during
extreme heat events.

* ADDITIONAL DETAILS...There is a 40-50% chance that Tuesday night
low temperatures remain above 70 degrees. There is also a 20-40%
chance that Tuesday and Wednesday high temperatures exceed 105
degrees across the Willamette Valley.

Information:
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.