Winter Weather Advisory
* WHAT...Snow. Additional snow accumulations up to two inches.
* WHERE...Grande Ronde Valley, Southern Blue Mountains of Oregon,
and Wallowa County.
* WHEN...Until 3 PM PST this afternoon.
* IMPACTS...Plan on slippery road conditions.
From: Feb 18, 2026 16:21
Until: Feb 18, 2026 23:00
Winter Weather Advisory
* WHAT...Snow showers. Additional snow accumulations of 1 to 3
inches.
* WHERE...Grande Ronde Valley, Southern Blue Mountains of Oregon,
and Wallowa County.
* WHEN...Until 3 PM PST this afternoon.
* IMPACTS...Plan on slippery road conditions.
From: Feb 18, 2026 09:57
Until: Feb 18, 2026 23:00
Winter Storm Warning
* WHAT...Snow. Additional snow accumulations up to 3 inches.
* WHERE...In Oregon, Northern Blue Mountains of Oregon. In
Washington, Northwest Blue Mountains.
* WHEN...Until 3 PM PST this afternoon.
* IMPACTS...Plan on slippery road conditions.
From: Feb 18, 2026 16:21
Until: Feb 18, 2026 23:00
Winter Storm Warning
* WHAT...Heavy snow showers. Additional snow accumulations of 2 to 6
inches.
* WHERE...In Oregon, Northern Blue Mountains of Oregon. In
Washington, Northwest Blue Mountains.
* WHEN...Until 3 PM PST this afternoon.
* IMPACTS...Travel could be difficult due to periods of moderate to
heavy snow.
* ADDITIONAL DETAILS...Heaviest snowfall is expected to taper off
Wednesday morning, with showers lingering through the afternoon.
From: Feb 18, 2026 09:57
Until: Feb 18, 2026 23:00
Freezing Fog Advisory
* WHAT...Visibility one half mile or less in freezing fog.
* WHERE...Northern Blue Mountains of Oregon.
* WHEN...Until 10 AM PST Wednesday.
* IMPACTS...Low visibility could make driving conditions hazardous.
From: Feb 18, 2026 06:24
Until: Feb 18, 2026 18:00
Special Weather Statement
Visibility of one-quarter mile or less is occurring in patchy
dense fog. If driving, slow down, use your headlights, and leave
plenty of distance ahead of you. Fog is forecast to lift through
morning.
From: Feb 01, 2026 12:07
Until: Feb 01, 2026 18:00
Dense Fog Advisory
* WHAT...Visibility of one-quarter mile or less in areas of dense
fog.
* WHERE...Foothills of the Blue Mountains of Oregon.
* WHEN...Until 10 AM PST this morning.
* IMPACTS...Low visibility could make driving conditions hazardous.
From: Feb 01, 2026 12:03
Until: Feb 01, 2026 18:00
Dense Fog Advisory
* WHAT...Visibility a quarter mile or less in dense fog.
* WHERE...Foothills of the Blue Mountains of Oregon.
* WHEN...Until 10 AM PST Sunday.
* IMPACTS...Low visibility could make driving conditions hazardous.
* ADDITIONAL DETAILS...Low visibilities in fog may fluctuate
throughout the night, but dense fog is expected to persist in the
area through Sunday morning.
From: Feb 01, 2026 04:21
Until: Feb 01, 2026 15:30
Special Weather Statement
Areas of freezing fog and freezing drizzle will impact the
foothills of the Blue Mountains along I-84 near Deadmans pass
This evening and into the overnight. As of 4 pm observation
stations and road cameras indicated visibility commonly below one
half mile and locally down to about one eighth of a mile through
the pass level. Low visibility could make driving conditions
hazardous, and roads slick during the overnight. If driving, slow
down, use your headlights, and leave plenty of distance ahead of
you.
From: Jan 24, 2026 00:27
Until: Jan 24, 2026 08:30
Special Weather Statement
Periods of light snow, freezing drizzle and and freezing fog
are possible into the early afternoon hours. Slick spots on
roadways, bridges, overpasses, sidewalks, and lightly used
corridors are possible due to the cold temperatures.
Motorists are urged to use caution. If you encounter dense fog,
or slick surfaces, slow down, use low beam headlights, and allow
for extra space between your vehicle and those around you.
From: Jan 23, 2026 18:12
Until: Jan 23, 2026 21:30
Winter Storm Warning
* WHAT...Heavy snow. Additional snow accumulations up to 4 to 7
inches. Winds gusting as high as 45 mph.
* WHERE...In Oregon, Northern Blue Mountains of Oregon. In
Washington, Northwest Blue Mountains.
* WHEN...Until 4 PM PST this afternoon.
* IMPACTS...Periods of moderate to heavy snow will combine to create
difficult driving conditions, especially on portions of I-84.
Gusty winds could bring down tree branches.
From: Jan 08, 2026 15:29
Until: Jan 09, 2026 00:00
Winter Storm Warning
* WHAT...Heavy snow. Additional snow accumulations up to 10 inches.
Winds gusting as high as 40 mph.
* WHERE...In Oregon, Northern Blue Mountains of Oregon. In
Washington, Northwest Blue Mountains.
* WHEN...Until 4 PM PST Thursday.
* IMPACTS...Periods of moderate and heavy snow will combine with low
visibilities to create difficult driving conditions. Gusty winds
could bring down tree branches.
From: Jan 08, 2026 06:43
Until: Jan 08, 2026 20:00
Winter Storm Warning
* WHAT...Heavy snow. Additional snow accumulations up to 13 inches.
Winds gusting as high as 40 mph.
* WHERE...In Oregon, Northern Blue Mountains of Oregon. In
Washington, Northwest Blue Mountains.
* WHEN...Until 4 PM PST Thursday.
* IMPACTS...Periods of moderate and heavy snow will combine with low
visibilities to create difficult driving conditions.
From: Jan 07, 2026 23:02
Until: Jan 08, 2026 07:15
Winter Storm Warning
* WHAT...Heavy snow expected. Total snow accumulations between 12
and 30 inches. Winds gusting as high as 45 mph.
* WHERE...In Oregon, Northern Blue Mountains of Oregon. In
Washington, Northwest Blue Mountains.
* WHEN...From 4 AM Tuesday to 4 PM PST Thursday.
* IMPACTS...Heavy snowfall and very low visibility will create
extremely dangerous driving conditions. Gusty winds could bring
down tree branches.
* ADDITIONAL DETAILS...Heaviest snow expected Tuesday morning
through Tuesday Evening.
From: Jan 05, 2026 22:04
Until: Jan 06, 2026 15:00
Winter Storm Warning
* WHAT...Heavy snow possible. Total snow accumulations between 20
and 30 inches possible.
* WHERE...Upper and Lower Slopes of the Eastern Washington Cascades
Crest, Northern Blue Mountains of Oregon, East Slopes of the
Oregon Cascades, and Northwest Blue Mountains.
* WHEN...From 4 AM Tuesday to 4 PM PST Thursday.
* IMPACTS...Heavy snowfall and very low visibility will create
extremely dangerous driving conditions. Gusty winds could bring
down tree branches.
* ADDITIONAL DETAILS...Total snow accumulations of 24-30 inches for
Washington Cascades, 17-25 inches for Oregon Cascades, and 10-20
inches for the Northwest Blue Mountains will be possible. Heaviest
snow expected Tuesday morning through Tuesday Evening.
From: Jan 05, 2026 10:52
Until: Jan 06, 2026 00:00
Wind Advisory
* WHAT...South to Southeast winds 20 to 30 mph with gusts up to 55
mph for the base of the northern Blue Mountains of Oregon.
* WHERE...Foothills of the Northern Blue Mountains of Oregon.
* WHEN...Until 5 AM PST early this morning.
* IMPACTS...Gusty winds will blow around unsecured objects. Winds
this strong can make driving difficult, especially for high
profile vehicles. Use extra caution.
* ADDITIONAL DETAILS...Wind gusts at I-84 along the base of the Blue
Mountains, namely at Cabbage Hill, may reach up to 60 mph at times.
From: Jan 04, 2026 10:38
Until: Jan 04, 2026 13:00
Special Weather Statement
Patchy dense fog will reduce visibilities to one half mile or less
in spots along I-84, US 395, SR 11, and SR 125. If you are driving
this evening or overnight, slow down, use low beam headlights and
leave extra distance betwen your vehicle and those around you.
From: Jan 04, 2026 03:38
Until: Jan 04, 2026 07:00
Wind Advisory
* WHAT...South to southeast winds 25 to 35 mph with gusts up to 50
mph for the base of the northern Blue Mountains of Oregon.
* WHERE...Foothills of the Northern Blue Mountains of Oregon.
* WHEN...Until 1 PM PST Saturday.
* IMPACTS...Gusty winds will blow around unsecured objects. Tree
limbs could be blown down and a few power outages may result.
* ADDITIONAL DETAILS...Strongest winds are expected along the slopes
and base of the northern Blue Mountains, including Interstate 84
in the vicinity of Cabbage Hill. Winds will be lighter north and
west of a line extending roughly from Pilot Rock through Pendleton
to Milton-Freewater.
From: Jan 03, 2026 04:13
Until: Jan 03, 2026 21:00
Wind Advisory
* WHAT...For the Dense Fog Advisory, visibility one-quarter mile or
less in dense fog and dense freezing fog. For the Wind Advisory
for the base of the northern Blue Mountains of Oregon, south to
southeast winds 25 to 40 mph with gusts up to 55 mph.
* WHERE...Foothills of the Northern Blue Mountains of Oregon.
* WHEN...For the Dense Fog Advisory, until 10 AM PST Saturday. For
the Wind Advisory, until 1 PM PST Saturday.
* IMPACTS...Gusty winds will blow around unsecured objects. Tree
limbs could be blown down and a few power outages may result. Low
visibility could make driving conditions hazardous.
* ADDITIONAL DETAILS...Strongest winds are expected along the slopes
and base of the northern Blue Mountains, including Interstate 84
in the vicinity of Cabbage Hill. Winds will be lighter north and
west of a line extending roughly from Pilot Rock through Pendleton
to Milton-Freewater.
From: Jan 03, 2026 06:41
Until: Jan 03, 2026 18:00
Dense Fog Advisory
* WHAT...Visibility one-quarter mile or less in dense fog and dense
freezing fog.
* WHERE...In Oregon, Foothills of the Southern Blue Mountains of
Oregon, North Central Oregon, and Wallowa County. In Washington,
Foothills of the Blue Mountains of Washington.
* WHEN...Until 10 AM PST Saturday.
* IMPACTS...Low visibility could make driving conditions hazardous.
From: Jan 03, 2026 06:41
Until: Jan 03, 2026 18:00
Dense Fog Advisory
* WHAT...For the Dense Fog Advisory, visibility one-quarter mile or
less in dense fog and dense freezing fog. For the Wind Advisory
for the base of the northern Blue Mountains of Oregon, south to
southeast winds 25 to 40 mph with gusts up to 55 mph.
* WHERE...Foothills of the Northern Blue Mountains of Oregon.
* WHEN...For the Dense Fog Advisory, until 10 AM PST Saturday. For
the Wind Advisory, until 1 PM PST Saturday.
* IMPACTS...Gusty winds will blow around unsecured objects. Tree
limbs could be blown down and a few power outages may result. Low
visibility could make driving conditions hazardous.
* ADDITIONAL DETAILS...Strongest winds are expected along the slopes
and base of the northern Blue Mountains, including Interstate 84
in the vicinity of Cabbage Hill. Winds will be lighter north and
west of a line extending roughly from Pilot Rock through Pendleton
to Milton-Freewater.
From: Jan 03, 2026 06:41
Until: Jan 03, 2026 18:00
Winter Weather Advisory
* WHAT...Freezing rain expected. Total ice accumulations of a light
glaze to one-tenth of an inch.
* WHERE...Foothills of the Blue Mountains of Oregon, and Lower
Columbia Basin of Oregon.
* WHEN...Until 1 AM PST Friday.
* IMPACTS...Difficult travel conditions are possible. Slippery
conditions could occur on portions of I-84, US 395 and SR 11.
From: Jan 01, 2026 15:17
Until: Jan 02, 2026 05:00
Air Stagnation Advisory
* WHAT...Stagnant conditions will have the potential to trap
pollutants near the ground and deteriorate air quality.
* WHERE...Foothills of the Blue Mountains of Oregon and Washington,
Lower Columbia Basin of Oregon and Washington, North Central
Oregon, Central Oregon, Kittitas Valley, and Yakima Valley.
* WHEN...Until noon PST Thursday.
* IMPACTS...Periods of air stagnation can lead to the buildup of
pollutants near the surface, potentially leading to poor air
quality.
From: Dec 30, 2025 17:05
Until: Jan 01, 2026 20:00
Air Stagnation Advisory
* WHAT...Poor air quality will continue. This is due to an inversion
and stagnant air conditions near the surface that will continue to
trap pollutants.
* WHERE...Foothills of the Blue Mountains of Oregon and Washington,
Lower Columbia Basin of Oregon, North Central Oregon, Central
Oregon, Kittitas Valley, and Yakima Valley.
* WHEN...Until noon PST today.
* IMPACTS...Poor air quality may cause issues for people with
respiratory problems.
From: Jan 01, 2026 08:41
Until: Jan 01, 2026 20:00
Winter Weather Advisory
* WHAT...Freezing rain expected. Total ice accumulations of around
one tenth of an inch.
* WHERE...Portions of central, north central, and northeast Oregon
and central Washington.
* WHEN...From 4 AM Thursday to 1 AM PST Friday.
* IMPACTS...Difficult travel conditions are possible. The hazardous
conditions could impact the Thursday morning and evening commutes.
From: Dec 31, 2025 23:00
Until: Jan 01, 2026 07:00
Wind Advisory
* WHAT...South winds 20 to 30 mph with gusts up to 45 mph for Ladd
and Pyles canyons.
* WHERE...Southern Grande Ronde Valley.
* WHEN...Until 3 PM PST Wednesday.
* IMPACTS...Gusty winds will blow around unsecured objects. Tree
limbs could be blown down and a few power outages may result.
From: Dec 31, 2025 05:51
Until: Dec 31, 2025 23:00
Wind Advisory
* WHAT...South winds 25 to 35 mph with gusts up to 55 mph for Ladd
and Pyles Canyons.
* WHERE...Grande Ronde Valley.
* WHEN...Until 11 PM PST this evening.
* IMPACTS...Gusty winds will blow around unsecured objects. Tree
limbs could be blown down and a few power outages may result.
From: Dec 30, 2025 17:05
Until: Dec 31, 2025 07:00