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 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
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 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
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
Air Stagnation Advisory
* WHAT...An extended period of stagnant air, with light winds and
little vertical mixing. This is due to an inversion near the
surface that will continue to trap pollutants.
* WHERE...Portions of south central and southwest Idaho and
northeast and southeast Oregon.
* WHEN...Until noon MST /11 AM PST/ today.
* IMPACTS...Poor air quality may cause issues for people with
respiratory problems.
From: Jan 23, 2026 11:56
Until: Jan 23, 2026 19:00
Air Stagnation Advisory
* WHAT...An extended period of stagnant air, with light winds and
little vertical mixing. This is due to an inversion near the
surface that will continue to trap pollutants.
* WHERE...Portions of south central and southwest Idaho and
northeast and southeast Oregon.
* WHEN...Until 5 AM MST /4 AM PST/ Friday.
* IMPACTS...Poor air quality may cause issues for people with
respiratory problems.
From: Jan 20, 2026 20:47
Until: Jan 23, 2026 12:00
Freezing Fog Advisory
* WHAT...Visibility a mile or less in freezing fog in the Wallowa
Valley.
* WHERE...Wallowa County.
* WHEN...Until 9 AM PST Wednesday.
* IMPACTS...Low visibility could make driving conditions hazardous.
From: Jan 20, 2026 23:53
Until: Jan 21, 2026 15:00
Air Stagnation Advisory
* WHAT...An extended period of stagnant air, with light winds and
little vertical mixing. This is due to an inversion near the
surface that will continue to trap pollutants.
* WHERE...Portions of southwest Idaho and northeast and southeast
Oregon.
* WHEN...Until 11 AM MST /10 AM PST/ Thursday.
* IMPACTS...Poor air quality may cause issues for people with
respiratory problems.
From: Jan 18, 2026 17:35
Until: Jan 20, 2026 21:00
Freezing Fog Advisory
* WHAT...Visibility one quarter mile or less in freezing fog.
* WHERE...Northern Blue Mountains of Oregon.
* WHEN...Until noon PST today.
* IMPACTS...Low visibility could make driving conditions hazardous.
From: Jan 18, 2026 11:15
Until: Jan 18, 2026 20:00
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. Additional snow accumulations up to 18 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 Thursday.
* IMPACTS...Heavy snowfall and very low visibility will create
extremely dangerous driving conditions.
* ADDITIONAL DETAILS...Heavy snow rates forecasted Wednesday night
through Thursday evening.
From: Jan 07, 2026 13:43
Until: Jan 08, 2026 00:00
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 07:30
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
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
Special Weather Statement
Patchy to areas of dense fog are producing localized visibilities
of one-quarter mile or less along OR 82 and OR 3. Fog is expected
to continue this evening and tonight. If driving, slow down, use
your headlights, and leave plenty of distance ahead of you.
From: Jan 03, 2026 05:00
Until: Jan 03, 2026 08:00
Winter Weather Advisory
* WHAT...Freezing rain. Additional ice accumulation up to a tenth of
an inch.
* WHERE...In Idaho, Upper Weiser River. In Oregon, Baker County.
* WHEN...Until 11 AM MST /10 AM PST/ this morning.
* IMPACTS...Roads, and especially bridges and overpasses, will
likely become slick and hazardous. Very slippery sidewalks, roads
and bridges are possible. The hazardous conditions could impact
the Friday morning commute.
From: Jan 02, 2026 11:49
Until: Jan 02, 2026 18:00
Winter Weather Advisory
* WHAT...Rain and light freezing rain. Very light ice accumulations
possible.
* WHERE...In Idaho, Upper Weiser River. In Oregon, Baker County.
* WHEN...Until 5 AM MST /4 AM PST/ Friday.
* IMPACTS...Very slippery sidewalks, roads and bridges are possible.
From: Jan 02, 2026 05:42
Until: Jan 02, 2026 12:00
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
Air Stagnation Advisory
* WHAT...An extended period of stagnant air, with light winds and
little vertical mixing. This is due to an inversion near the
surface that will continue to trap pollutants.
* WHERE...Portions of south central and southwest Idaho and
northeast and southeast Oregon.
* WHEN...Until 5 AM MST /4 AM PST/ Saturday.
* IMPACTS...Poor air quality may cause issues for people with
respiratory problems.
From: Dec 30, 2025 09:58
Until: Dec 30, 2025 22:00
Air Stagnation Advisory
* WHAT...An extended period of stagnant air, with light winds and
little vertical mixing. This is due to an inversion near the
surface that will continue to trap pollutants.
* WHERE...Portions of south central and southwest Idaho and
northeast and southeast Oregon.
* WHEN...Until 10 AM MST /9 AM PST/ Thursday.
* IMPACTS...Poor air quality may cause issues for people with
respiratory problems.
From: Dec 29, 2025 09:49
Until: Dec 29, 2025 21:00
Air Stagnation Advisory
* WHAT...An extended period of stagnant air, with light winds and
little vertical mixing. This is due to an inversion near the
surface that will trap pollutants in the valleys.
* WHERE...Portions of southwest Idaho and southeast Oregon.
* WHEN...From 6 PM MST /5 PM PST/ this evening to 10 AM MST /9 AM
PST/ Thursday.
* IMPACTS...Poor air quality may cause issues for people with
respiratory problems.
From: Dec 28, 2025 19:15
Until: Dec 29, 2025 14:00
Air Stagnation Advisory
* WHAT...An extended period of stagnant air, with light winds and
little vertical mixing. This is due to an inversion near the
surface that will continue to trap pollutants.
* WHERE...Portions of south central and southwest Idaho and
northeast and southeast Oregon.
* WHEN...From 6 PM MST /5 PM PST/ this evening to 10 AM MST /9 AM
PST/ Thursday.
* IMPACTS...Poor air quality may cause issues for people with
respiratory problems.
From: Dec 28, 2025 08:36
Until: Dec 28, 2025 21:00
Air Stagnation Advisory
* WHAT...An extended period of stagnant air, with light winds and
little vertical mixing. This is due to an inversion near the
surface that will trap pollutants in the valleys.
* WHERE...In the valleys of south central and southwest Idaho and
northeast and southeast Oregon below 5000 feet MSL.
* WHEN...From 6 PM MST /5 PM PST/ Sunday to 10 AM MST /9 AM PST/
Thursday.
* IMPACTS...Poor air quality may cause issues for people with
respiratory problems.
From: Dec 27, 2025 19:56
Until: Dec 28, 2025 09:00
Winter Weather Advisory
* WHAT...Snow above 4500 feet. Additional snow accumulations between
4 and 8 inches. Winds gusting as high as 45 mph.
* WHERE...In Oregon, Northern Blue Mountains of Oregon. In
Washington, Northwest Blue Mountains.
* WHEN...Until 7 AM PST Saturday.
* IMPACTS...Periods of moderate and heavy snow will combine with low
visibilities to create difficult driving conditions. Gusty winds
could bring down tree branches.
* ADDITIONAL DETAILS...There is a 50 to 80 percent chance for 10
inches or more of snow across the higher elevations of the
Northern Blue Mountains.
From: Dec 27, 2025 05:30
Until: Dec 27, 2025 15:00
Winter Weather Advisory
* WHAT...Snow above 4500 feet. Additional snow accumulations between
6 and 12 inches. Winds gusting as high as 45 mph between 7 pm
tonight and 10 am Saturday.
* WHERE...In Oregon, Northern Blue Mountains of Oregon. In
Washington, Northwest Blue Mountains.
* WHEN...Until 7 AM PST Saturday.
* IMPACTS...Significant snowfall with periods of heavy snowfall
rates will combine with low visibility to create very difficult
driving conditions. Gusty winds could bring down tree branches.
* ADDITIONAL DETAILS...50 to 80 chances for 10 inches or more across
the higher elevations of the Northern Blues.
From: Dec 26, 2025 22:02
Until: Dec 27, 2025 06:15
