10/12/2026
Also in the Northwest of the US delays may be prominent.
Get your wet and cold weather gear, gloves, and snow chains ready to be ahead of the curve.
And keep your eyes peeled to wrecks and slow traffic.
Be safe out there from AUDAX LLC.
COLD NIGHT AHEAD FOR WASHINGTON AND OREGON | FROST ADVISORIES AND FREEZE WARNINGS IN EFFECT🥶some of the coldest temps of the fall season so far are expected tonight into Monday morning across Washington and Oregon. Clearing skies, light winds and a chilly air mass will allow temps to fall into the 30s across much of the region, with upper 20s possible in colder valleys.
Across western Washington, Frost Advisories cover parts of Puget Sound, including Tacoma, Olympia, Kent, Renton and surrounding areas. Overnight lows of 30-36°F could produce widespread frost, especially outside urban areas, away from waters.
For western Oregon, Frost Advisories include parts of the Willamette Valley, Portland Metro, Eugene, Salem, Vancouver [SW WA] and surrounding areas. Temperatures could fall into the lower to middle 30s, with freezing conditions possible in colder valleys.
In central and eastern Washington, Freeze Warnings cover the Yakima and Kittitas valleys, where temps fall to 29-31°F. Spokane and surrounding areas will also experience chilly conditions, with an even colder night possible Monday night.
For central, eastern and southern Oregon, frost and freezing tempss are expected across several valleys, including parts of the Rogue Valley, central Oregon and northeast Oregon. Some colder locations could fall into the 20s, especially Monday night into Tuesday morning.
PROTECT SENSITIVE PLANTS! Frost and freezing temperatures could damage vulnerable vegetation. Additional cold alerts may be needed Monday night before a warming trend develops later this week🥶