Air Stagnation Advisory
* WHAT...Poor air quality may develop. This is due to an inversion
and stagnant air conditions near the surface that will continue to
trap pollutants Within the valleys in Klamath and Lake County.
* WHERE...The valleys of Klamath and Lake counties.
* WHEN...Until 4 PM PST this afternoon.
* IMPACTS...Poor air quality may cause issues for people with
respiratory problems.
From: Jan 23, 2026 11:50
Until: Jan 24, 2026 00:00
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 within the valleys in Klamath and Lake County.
* WHERE...The valleys of Klamath and Lake counties.
* WHEN...Until 4 PM PST Wednesday.
* IMPACTS...Poor air quality may cause issues for people with
respiratory problems.
From: Jan 20, 2026 09:33
Until: Jan 20, 2026 20:00
Air Stagnation Advisory
* WHAT...Decreased air quality is likely to develop Friday morning.
This is due to an inversion and stagnant air conditions near the
surface that will trap pollutants within the valleys of Klamath
and Lake counties.
* WHERE...Valleys in Klamath and Lake counties.
* WHEN...From 10 AM Friday to 10 AM PST Sunday.
* IMPACTS...Poor air quality may cause issues for people with
respiratory problems.
* ADDITIONAL DETAILS...A strong area of high pressure will build in
through Saturday, then weaken slightly on Sunday. This will lead
to poor mixing of the atmosphere and the trapping of pollutants.
The high is likely to strengthen again early next week.
From: Jan 09, 2026 06:01
Until: Jan 10, 2026 00:15
Air Stagnation Advisory
* WHAT...Decreased air quality will likely develop. This is due to
an inversion and stagnant air conditions near the surface that
will continue to trap pollutants within the valleys of Klamath and
Lake County.
* WHERE...Within the valleys in Klamath and Lake County
* WHEN...From 10 AM Friday to 10 AM PST Sunday.
* IMPACTS...Poor air quality may cause issues for people with
respiratory problems.
* ADDITIONAL DETAILS...A strong area of high pressure will build in
briefing Friday and Saturday before weakening slightly on Sunday.
This will lead to poor mixing of the atmosphere and the trapping
of pollutants.
From: Jan 08, 2026 22:39
Until: Jan 09, 2026 06:45
Winter Weather Advisory
* WHAT...Snow in north central Klamath County. Additional snow
accumulations up to one inch.
* WHERE...In north central Klamath County Including the locations
of...Chemult, Crescent, and Gilchrist.
* WHEN...Until 10 AM PST this morning.
* IMPACTS...The hazardous conditions could impact the Thursday
morning commute.
* ADDITIONAL DETAILS...Visit weather.gov/mfr/winter for additional
snow probabilities.
From: Jan 08, 2026 08:35
Until: Jan 08, 2026 18:00
Winter Storm Warning
* WHAT...Additional snow accumulations up to 5 inches.
* WHERE...The southern Oregon Cascades and Siskiyou Mountains.
Including the locations of...Crescent Lake, Diamond Lake, Union
Creek, Howard Prairie.
This also includes the following passes or notable locations...
Siskiyou Pass on I-5 at 4310 ft.
Lake of the Woods on 140 at 5070 ft.
Diamond Lake Junction on state highways 230 & 138 at 4478 ft.
Mt. Ashland ski road and lodge at 6500 ft.
Caves National Monument near highway 46 at 4000 ft.
Willamette Pass on state highway 58 at 5090 ft.
* WHEN...Until 10 AM PST this morning.
* IMPACTS...Plan on slippery road conditions and delays in your
commute. The hazardous conditions could impact the Thursday
morning commute.
* ADDITIONAL DETAILS...Visit weather.gov/mfr/winter for additional
snow probabilities.
From: Jan 08, 2026 08:35
Until: Jan 08, 2026 18:00
Winter Weather Advisory
* WHAT...Snow expected. Total snow accumulations between 6 and 12
inches possible. Winds gusting as high as 35 mph over high and
exposed terrain.
* WHERE...Klamath Basin and Northern and Eastern Klamath County.
This includes the communities of Chemult and Crescent as well as
parts of Highway 97.
* WHEN...From 4 PM Tuesday to 10 AM PST Thursday.
* IMPACTS...Roads, and especially bridges and overpasses, will
likely become slick and hazardous.
From: Jan 06, 2026 00:15
Until: Jan 08, 2026 18:00
Winter Weather Advisory
Two fronts will bring impactful winter weather to the area through
Thursday morning. One early this morning, then, after a brief break,
another this afternoon into Thursday morning. Snow levels will fall
to 3000 to 3500 feet this morning, then drop to the higher passes
north of Grants Pass this afternoon to as low as 1400 feet this
evening into Thursday morning. This will bring significant snow to
the Cascades, northern Klamath County and some west side areas.
* WHAT...Snow expected in north central Klamath County. Total snow
accumulations 5 to 10 inches. Winds gusting as high as 40 mph over
high and exposed terrain. Snow will be heaviest during late
Wednesday afternoon through Wednesday evening.
* WHERE...Klamath Basin and Northern and Eastern Klamath County.
This includes the communities of Chemult and Crescent, as well as
parts of Highway 97 north of Chiloquin.
* WHEN...Until 10 AM PST Thursday.
* IMPACTS...Travel may be difficult with delays in your commute. The
hazardous conditions could impact the morning and evening commutes
through Thursday morning.
* ADDITIONAL DETAILS...Visit weather.gov/mfr/winter for snow
probabilities. Most of the rest of Klamath County will receive 1
to 3 inches of snow, with the majority occurring during Wednesday
evening.
From: Jan 07, 2026 09:38
Until: Jan 08, 2026 00:00
Winter Storm Warning
Two fronts will bring impactful winter weather to the area through
Thursday morning. One early this morning, then, after a brief break,
another this afternoon into Thursday morning. Snow levels will fall
to 3000 to 3500 feet this morning, then drop to the higher passes
north of Grants Pass this afternoon to as low as 1400 feet this
evening into Thursday morning. This will bring significant snow to
the Cascades, northern Klamath County and some west side areas.
* WHAT...Heavy snow expected. Total snow accumulations 8 to 24
inches, with 18 to 24 inches in Crater Lake National Park, 10 to
15 inches at Lake of the Woods, 8 to 12 inches over Mount Ashland
ski park, and 3 to 6 inches over Siskiyou Summit. Winds gusting as
high as 45 mph over high and exposed terrain. Snow will be
heaviest overnight through around 6 AM PST Wednesday, and
especially from 1 PM PST Wednesday through 1 AM PST Thursday.
* WHERE...The southern Oregon Cascades and Siskiyou Mountains.
Including the locations of...Crescent Lake, Diamond Lake, Union
Creek, Howard Prairie.
This also includes the following passes or notable locations...
Siskiyou Pass on I-5 at 4310 ft.
Lake of the Woods on 140 at 5070 ft.
Diamond Lake Junction on state highways 230 & 138 at 4478 ft.
Mt. Ashland ski road and lodge at 6500 ft.
Caves National Monument near highway 46 at 4000 ft.
Willamette Pass on state highway 58 at 5090 ft.
* WHEN...Until 10 AM PST Thursday.
* IMPACTS...Travel may be very difficult to impossible. Road or
highway closures are possible with feet of snow accumulation. The
hazardous conditions could impact the morning and evening commutes
through Thursday morning. Gusty winds could bring down tree
branches.
* ADDITIONAL DETAILS...Visit weather.gov/mfr/winter for snow
probabilities.
From: Jan 07, 2026 09:38
Until: Jan 08, 2026 00:00
Winter Weather Advisory
Two fronts will bring impactful winter weather to the area. The
first overnight, and the second Wednesday afternoon into Thursday
morning. Snow levels of 4500 feet will fall to 3500 feet overnight.
Then, snow levels begin at 3000 feet Wednesday afternoon before
falling as low as 1500 feet on Thursday morning, with significant
snow for west side areas and northern Klamath County at elevations
above 2000 feet.
* WHAT...Snow expected in north central Klamath County. Total snow
accumulations 5 to 10 inches. Winds gusting as high as 40 mph over
high and exposed terrain. Snow will be heaviest during late
Wednesday afternoon through Wednesday evening.
* WHERE...Klamath Basin and Northern and Eastern Klamath County.
This includes the communities of Chemult and Crescent, as well as
parts of Highway 97 north of Chiloquin.
* WHEN...Until 10 AM PST Thursday.
* IMPACTS...Roads, and especially bridges and overpasses, will
likely become slick and hazardous.
* ADDITIONAL DETAILS...Visit weather.gov/mfr/winter for additional
snow probabilities. Most of the rest of Klamath County will
receive 1 to 3 inches of snow, with the majority occurring during
Wednesday evening.
From: Jan 07, 2026 06:13
Until: Jan 07, 2026 16:00
Winter Storm Warning
Two fronts will bring impactful winter weather to the area. The
first overnight, and the second Wednesday afternoon into Thursday
morning. Snow levels of 4500 feet will fall to 3500 feet overnight.
Then, snow levels begin at 3000 feet Wednesday afternoon before
falling as low as 1500 feet on Thursday morning, with significant
snow for west side areas and northern Klamath County at elevations
above 2000 feet.
* WHAT...Heavy snow expected. Total snow accumulations 8 to 24
inches, with 18 to 24 inches in Crater Lake National Park, 10 to
15 inches at Lake of the Woods, 8 to 12 inches over Mount Ashland
ski park, and 3 to 6 inches over Siskiyou Summit. Winds gusting as
high as 45 mph over high and exposed terrain. Snow will be
heaviest overnight through around 6 AM PST Wednesday, and
especially from 1 PM PST Wednesday through 1 AM PST Thursday.
* WHERE...The southern Oregon Cascades and Siskiyou Mountains.
Including the locations of...Crescent Lake, Diamond Lake, Union
Creek, Howard Prairie.
This also includes the following passes or notable locations...
Siskiyou Pass on I-5 at 4310 ft.
Lake of the Woods on 140 at 5070 ft.
Diamond Lake Junction on state highways 230 & 138 at 4478 ft.
Mt. Ashland ski road and lodge at 6500 ft.
Caves National Monument near highway 46 at 4000 ft.
Willamette Pass on state highway 58 at 5090 ft.
* WHEN...Until 10 AM PST Thursday.
* IMPACTS...Travel may be very difficult to impossible. Road or
highway closures are possible with feet of snow accumulation. The
hazardous conditions could impact the Tuesday evening and
Wednesday morning commutes. Gusty winds could bring down tree
branches.
* ADDITIONAL DETAILS...Probability of snow accumulation
between 4 PM Tuesday to 4 PM Thursday.
Probabilities don't always overlap the hazard's time range.
Location >= >= >= >=
2in 8in 12in 18in
-------- ---- ---- ---- ----
Siskiyou 78% 4% 0% 0%
Pass
Lake of 100% 54% 44% 35%
the Woods
Diamond 100% 99% 67% 42%
Lake
Junction
Mt. A 100% 37% 15% 0%
Lodge
Crater 100% 97% 66% 44%
Lake
Visit weather.gov/mfr/winter for additional snow probabilities
From: Jan 07, 2026 06:13
Until: Jan 07, 2026 16:00
Winter Storm Warning
Two fronts will bring impactful winter weather to the Cascades
later tonight and again on Wednesday evening. Snow levels will fall
to 2000 feet on Wednesday with snow possibly falling to the valley
floors Wednesday night.
* WHAT...Heavy snow expected. Total snow accumulations 8 to 24
inches, with 19 to 23 inches in Crater Lake National Park and 8 to
11 inches over Mount Ashland ski park. Winds gusting as high as 45
mph over high and exposed terrain.
* WHERE...The southern Oregon Cascades and Siskiyou Mountains.
Including the locations of...Crescent Lake, Diamond Lake, Union
Creek, Howard Prairie.
This also includes the following passes or notable locations...
Siskiyou Pass on I-5 at 4310 ft.
Lake of the Woods on 140 at 5070 ft.
Diamond Lake Junction on state highways 230 & 138 at 4478 ft.
Mt. Ashland ski road and lodge at 6500 ft.
Caves National Monument near highway 46 at 4000 ft.
Willamette Pass on state highway 58 at 5090 ft.
* WHEN...Until 10 AM PST Thursday.
* IMPACTS...Travel may be very difficult to impossible. Road or
highway closures are possible with feet of snow accumulation. The
hazardous conditions could impact the Tuesday evening and
Wednesday morning commutes. Gusty winds could bring down tree
branches.
* ADDITIONAL DETAILS...Probability of snow accumulation
between 4 PM Tuesday to 4 PM Thursday.
Probabilities don't always overlap the hazard's time range.
Location >= >= >= >=
2in 8in 12in 18in
-------- ---- ---- ---- ----
Siskiyou 78% 4% 0% 0%
Pass
Lake of 100% 54% 44% 35%
the Woods
Diamond 100% 99% 67% 42%
Lake
Junction
Mt. A 100% 37% 15% 0%
Lodge
Crater 100% 97% 66% 44%
Lake
Visit weather.gov/mfr/winter for additional snow probabilities
From: Jan 06, 2026 23:04
Until: Jan 07, 2026 12:15
Winter Weather Advisory
Two fronts will bring impactful winter weather to the Cascades
later tonight and again on Wednesday evening. Snow levels will fall
to 2000 feet on Wednesday with snow possibly falling to the valley
floors Wednesday night.
* WHAT...Snow expected in north central Klamath County. Total snow
accumulations 6 to 10 inches. Winds gusting as high as 40 mph over
high and exposed terrain.
* WHERE...In north central Klamath County
Including the locations of...Chemult, Crescent, Gilchrist.
* WHEN...Until 10 AM PST Thursday.
* IMPACTS...Travel may be difficult and delays in your commute. The
hazardous conditions could impact the Wednesday evening commute.
* ADDITIONAL DETAILS...Visit weather.gov/mfr/winter for additional
snow probabilities
From: Jan 06, 2026 23:04
Until: Jan 07, 2026 12:15
Winter Weather Advisory
* WHAT...Snow expected. Total snow accumulations of up to 3 inches
from late this afternoon through tonight. Then, after a break on
Wednesday morning, additional accumulations of between 6 and 12
inches from Wednesday afternoon into Thursday morning. Winds
gusting as high as 40 mph over high and exposed terrain.
* WHERE...Klamath Basin and Northern and Eastern Klamath County.
This includes the communities of Chemult and Crescent as well as
parts of Highway 97.
* WHEN...From 4 PM this afternoon to 10 AM PST Thursday.
* IMPACTS...Roads, and especially bridges and overpasses, will
likely become slick and hazardous.
* ADDITIONAL DETAILS...Other valley locations in Klamath and western
Lake counties can expect up to 3 inches of snow during Wednesday
evening.
From: Jan 06, 2026 11:21
Until: Jan 07, 2026 00:00
Winter Storm Warning
* WHAT...Heavy snow expected above 3500 feet this evening into early
Wednesday morning. Heavy snow resumes Wednesday afternoon into
Thursday morning. Total snow accumulations 4 to 10 inches from
this evening into early Wednesday morning, mainly from highway 140
northward. Then, after a break on Wednesday morning, an additional
8 to 20 inches in the Cascades and 3 to 8 inches in the Siskiyou
Mountains Wednesday afternoon into Thursday morning. Winds gusting
as high as 50 mph over high and exposed terrain during both events.
* WHERE...The southern Oregon Cascades and Siskiyou Mountains,
including Diamond Lake, Crater Lake, Lake of the Woods, Siskiyou
Summit, highways 138, 230, 140, 62 down to around Union Creek, 66,
and interstate 5.
* WHEN...From 4 PM this afternoon to 10 AM PST Thursday.
* IMPACTS...Road or highway closures are possible with feet of snow
accumulation. The hazardous conditions could impact the evening
and morning commutes. Gusty winds could bring down tree branches.
From: Jan 06, 2026 11:21
Until: Jan 07, 2026 00:00
Winter Storm Warning
* WHAT...The Winter Weather Advisory has expired. Snow showers are
tapering off, with only up to an additional inch of snow expected
this evening. For the Winter Storm Warning, heavy snow is
expected. Snow accumulations of 8 to 16 inches are possible, with
20 to 30 inches over area peaks and ridgelines. Wind gusts may
reach 50 mph.
* WHERE...For the Winter Weather Advisory, mostly above 4000 feet in
South Central Oregon Cascades, including Diamond Lake, Crater Lake
and highways 138, 230 and 62 down to around Union Creek. For the
Winter Storm Watch, areas from Crescent Lake to Crater Lake and
above 3500 feet. This includes portions of highways 58, 230, 138,
and 62.
* WHEN...From 4 PM Tuesday to 10 AM PST Thursday.
* IMPACTS...Road or highway closures are possible with feet of snow
accumulation. The hazardous conditions could impact the Monday
evening and Tuesday morning commutes. Gusty winds could bring down
tree branches.
From: Jan 06, 2026 00:15
Until: Jan 06, 2026 12:00
Winter Storm Warning
* WHAT...Snow expected. Snow accumulations of 8 to 16 inches are
possible, with 20 to 30 inches over area peaks and ridgelines.
Wind gusts may reach 50 mph.
* WHERE...The southern Oregon Cascades and above 3500 feet from
Crater Lake to north of Howard Prairie. This includes portions of
Highways 62 and 140.
* WHEN...From 4 PM Tuesday to 10 AM PST Thursday.
* IMPACTS...Road or highway closures are possible with feet of snow
accumulation. The hazardous conditions could impact the Tuesday
evening and Wednesday morning commutes. Gusty winds could bring
down tree branches.
From: Jan 06, 2026 00:15
Until: Jan 06, 2026 12:00
Winter Weather Advisory
* WHAT...Snow expected above 5000 feet. Total snow accumulations of
5 to 15 inches. Winds gusting as high as 45 mph over high and
exposed terrain.
* WHERE...Above 5000 feet in South Central Oregon Cascades,
including Diamond Lake, Crater Lake and highways 62, 138 and 230.
* WHEN...Until 4 PM PST Monday.
* IMPACTS...Travel may be very difficult to impossible. The
hazardous conditions could impact the Monday morning commute.
Strong winds could cause tree damage.
From: Jan 04, 2026 05:48
Until: Jan 04, 2026 23:00
Wind Advisory
* WHAT...South winds 20 to 30 mph with gusts up to 55 mph.
* WHERE...In Klamath County, the Klamath Basin including Klamath
Falls, Keno, Midland, Olene, Dairy, Bonanza, Merrill, and Malin.
Terrain in northeast Siskiyou and northwest Modoc counties,
including Tulelake, Newell, and Tionesta. Areas in Lake and
eastern Modoc counties including Summer Lake, Paisley, Valley
Falls, Lakeview, Willow Ranch, Alturas, Canby, and Likely as well
as Highways 31, 395, 140, and 299.
* WHEN...Until 7 AM PST this morning.
* IMPACTS...Gusty winds will blow around unsecured objects and a few
power outages may result.
From: Jan 04, 2026 11:55
Until: Jan 04, 2026 15:00
Wind Advisory
* WHAT...South winds 25 to 35 mph with gusts up to 60 mph.
* WHERE...In Klamath County, the Klamath Basin including Klamath
Falls, Keno, Midland, Olene, Dairy, Bonanza, Merrill, and Malin.
Terrain in northeast Siskiyou and northwest Modoc counties,
including Tulelake, Newell, and Tionesta. Areas in Lake and
eastern Modoc counties including Summer Lake, Paisley, Valley
Falls, Lakeview, Willow Ranch, Alturas, Canby, and Likely as well
as Highways 31, 395, 140, and 299.
* WHEN...Until 7 AM PST Sunday.
* IMPACTS...Gusty winds will blow around unsecured objects and a few
power outages may result.
From: Jan 04, 2026 05:46
Until: Jan 04, 2026 13:00
Wind Advisory
* WHAT...South winds 20 to 30 mph with gusts up to 50 mph expected.
Gusts may exceed 65 mph over elevated terrain.
* WHERE...In Klamath County, the Klamath Basin including Klamath
Falls, Keno, Midland, Olene, Dairy, Bonanza, Merrill, and Malin.
Terrain in northeast Siskiyou and northwest Modoc counties,
including Tulelake, Newell, and Tionesta. Areas in Lake and
eastern Modoc counties including Summer Lake, Paisley, Valley
Falls, Lakeview, Willow Ranch, Alturas, Canby, and Likely as well
as Highways 31, 395, 140, and 299.
* WHEN...Until 7 AM PST Sunday.
* IMPACTS...Gusty winds will blow around unsecured objects and a few
power outages may result.
From: Jan 03, 2026 23:08
Until: Jan 04, 2026 13:00
Winter Weather Advisory
* WHAT...Snow expected above 5000 feet. Total snow accumulations of
5 to 10 inches. Winds gusting as high as 45 mph over high and
exposed terrain.
* WHERE...Above 5000 feet in South Central Oregon Cascades,
including Diamond Lake, Crater Lake and highways 62, 138 and 230.
* WHEN...Until 1 PM PST Sunday.
* IMPACTS...Travel may be difficult and there may be delays in your
commute. Strong winds could cause tree damage.
From: Jan 03, 2026 23:10
Until: Jan 04, 2026 07:15
Wind Advisory
* WHAT...South winds 20 to 30 mph with gusts up to 50 mph expected.
Gusts may exceed 65 mph over elevated terrain.
* WHERE...In Klamath County, the Klamath Basin including Klamath
Falls, Keno, Midland, Olene, Dairy, Bonanza, Merrill, and Malin.
Terrain in northeast Siskiyou and northwest Modoc counties,
including Tulelake, Newell, and Tionesta. Areas in Lake and
eastern Modoc counties including Summer Lake, Paisley, Valley
Falls, Lakeview, Willow Ranch, Alturas, Canby, and Likely as well
as Highways 31, 395, 140, and 299.
* WHEN...From 10 AM this morning to 7 AM PST Sunday.
* IMPACTS...Gusty winds will blow around unsecured objects and a few
power outages may result.
From: Jan 03, 2026 10:25
Until: Jan 04, 2026 00:00
Winter Weather Advisory
* WHAT...Snow expected above 5000 feet. Total snow accumulations of
5 to 10 inches. Winds gusting as high as 45 mph over high and
exposed terrain.
* WHERE...Above 5000 feet in South Central Oregon Cascades,
including Diamond Lake, Crater Lake and highways 62, 138 and 230.
* WHEN...From 4 PM this afternoon to 1 PM PST Sunday.
* IMPACTS...Travel may be difficult and there may be delays in your
commute. Gusty winds could bring down tree branches.
From: Jan 03, 2026 10:27
Until: Jan 04, 2026 00:00
Wind Advisory
* WHAT...South winds 20 to 30 mph with gusts up to 50 mph expected.
Gusts may exceed 65 mph over elevated terrain.
* WHERE...In Klamath County, the Klamath Basin including Klamath
Falls, Keno, Midland, Olene, Dairy, Bonanza, Merrill, and Malin.
Terrain in northeast Siskiyou and northwest Modoc counties,
including Tulelake, Newell, and Tionesta. Areas in Lake and
eastern Modoc counties including Summer Lake, Paisley, Valley
Falls, Lakeview, Willow Ranch, Alturas, Canby, and Likely as well
as Highways 31, 395, 140, and 299.
* WHEN...From 10 AM Saturday to 7 AM PST Sunday.
* IMPACTS...Gusty winds will blow around unsecured objects and a few
power outages may result.
From: Jan 02, 2026 20:26
Until: Jan 03, 2026 13:00
Winter Weather Advisory
* WHAT...Snow expected above 5000 feet. Total snow accumulations of
5 to 10 inches. Winds gusting as high as 45 mph over high and
exposed terrain.
* WHERE...Above 5000 feet in South Central Oregon Cascades,
including Diamond Lake, Crater Lake and highways 62, 138 and 230.
* WHEN...From 4 PM Saturday to 1 PM PST Sunday.
* IMPACTS...Plan on slippery road conditions and delays in your
commute. Gusty winds could bring down tree branches.
From: Jan 02, 2026 20:44
Until: Jan 03, 2026 13:00
Winter Weather Advisory
* WHAT...Snow expected above 5000 feet. Total snow accumulations of
5 to 10 inches. Winds gusting as high as 45 mph over high and
exposed terrain.
* WHERE...Above 5000 feet in South Central Oregon Cascades,
including Diamond Lake, Crater Lake and highways 62, 138 and 230.
* WHEN...From 4 PM Saturday to 1 PM PST Sunday.
* IMPACTS...Plan on slippery road conditions and delays in your
commute. Very strong winds could cause extensive tree damage.
From: Jan 03, 2026 03:18
Until: Jan 03, 2026 12:15
Air Stagnation Advisory
* WHAT...Air quality is likely to worsen through Wednesday
afternoon. This is due to an inversion and stagnant air conditions
near the surface that will trap pollutants.
* WHERE...Valley areas, both west of the Cascades in Jackson,
Josephine and Douglas counties, and east of the Cascades in
Klamath and Lake counties.
* WHEN...Until 4 PM PST Wednesday.
* IMPACTS...Poor air quality may cause issues for people with
respiratory problems.
From: Dec 29, 2025 22:25
Until: Jan 01, 2026 00:00
Air Stagnation Advisory
* WHAT...Poor air quality will develop this evening and continue
through Wednesday. This is due to an inversion and stagnant air
conditions near the surface that will trap pollutants.
* WHERE...Valley areas, both west of the Cascades in Jackson,
Josephine and Douglas counties, and east of the Cascades in
Klamath and Lake counties.
* WHEN...From 4 PM this afternoon to 4 PM PST Wednesday.
* IMPACTS...Poor air quality may cause issues for people with
respiratory problems.
From: Dec 28, 2025 20:30
Until: Jan 01, 2026 00:00