* WHAT...Heavy snow possible for elevations above 4000 feet. Total
snow accumulations 7 to 9 inches possible for Sherman Pass.
* WHERE...Sherman Pass, Boulder Creek Road, Highway 20 Wauconda
Summit, and Chesaw Road.
* WHEN...From Wednesday afternoon through Thursday afternoon.
* IMPACTS...Winter travel conditions in watch areas.
* WHAT...Snow expected. Total snow accumulations up to 4 to 8 inches
above 4000 feet. Winds gusting as high as 35 mph.
* WHERE...East Slopes of the Oregon Cascades.
* WHEN...From 5 PM Wednesday to 11 PM PDT Thursday.
* IMPACTS...Travel could be difficult along US-20 and through
Santiam Pass. Blowing snow could also reduce visibilities in some
areas.
* WHAT...Snow expected. Total snow accumulations 2 to 6 inches, with
up to 10 inches above 5500 feet. Winds gusting up to 55 mph.
* WHERE...Portions of Modoc County in California, and Lake and
eastern Kalamth counties in Oregon, including the high terrain of
the Warner, Gearhart and Yamsay mountains, Highway 140 at Quartz
Mountain Summit, and Highway 299 at Cedar Pass.
* WHEN...From 5 AM Wednesday to 5 AM PDT Thursday.
* IMPACTS...Travel could become difficult. The hazardous conditions
could impact the Wednesday morning and evening commutes. Blowing
snow will result in lower visibility.
* WHAT...Snow expected. Total snow accumulations between 5 and 10
inches. Winds gusting as high as 50 mph.
* WHERE...The southern Oregon Cascades from Highway 140 northward.
This includes Lake of the Woods, Crater and Diamond Lakes, as well
as Highways 140, 62, 230, and 138.
* WHEN...From 5 AM Wednesday to 5 AM PDT Thursday.
* IMPACTS...Travel could be very difficult. The hazardous conditions
could impact the Wednesday morning and evening commutes. Blowing
snow will result in lower visibility.
* WHAT...Snow expected. Total snow accumulations 2 to 6 inches, with
up to 10 inches above 5500 feet. Winds gusting up to 55 mph.
* WHERE...Portions of Lake County, including Adel, Valley Falls,
Alkali Lake, Paisley, Summer Lake, Wagontire, and portions of
highways 140, 395, and 31.
* WHEN...From 5 AM Wednesday to 5 AM PDT Thursday.
* IMPACTS...Travel could become difficult. The hazardous conditions
could impact the Wednesday morning and evening commutes. Blowing
snow will result in lower visibility.
* WHAT...Snow expected. Total snow accumulations between 5 and 10
inches. Winds gusting as high as 50 mph.
* WHERE...The southern Oregon Cascades from Highway 140 northward.
This includes Lake of the Woods, Crater and Diamond Lakes, as well
as Highways 140, 62, 230, and 138. The Warner Mountains in Modoc
County, and the higher terrain of the Fremont-Winema National
Forest.
* WHEN...From 5 AM Wednesday to 5 AM PDT Thursday.
* IMPACTS...Travel could be very difficult. The hazardous conditions
could impact the Wednesday morning and evening commutes. Gusty
winds could bring down tree branches.
* WHAT...South winds 25 to 35 mph with gusts up to 55 mph expected.
* WHERE...In California, mainly the Warner Mountains in Modoc
County. This includes Highways 299 and 395 south of Alturas. In
Oregon, portions of Lake County including Highway 140 east of
Lakeview, Highway 395 north of Valley Falls and Highway 31 from
Paisley to Silver Lake.
* WHEN...From 8 AM Wednesday to 5 AM PDT Thursday.
* IMPACTS...Gusty winds will blow around unsecured objects. Tree
limbs could be blown down and a few power outages may result.
* WHAT...Snow expected elevations above 3500 ft. Total snow
accumulations of 6 to 11 inches.
* WHERE...South Washington Cascades and the Northern and Central
Cascades of Oregon.
* WHEN...From 5 PM Wednesday to 11 PM PDT Thursday.
* IMPACTS...Roads, and especially bridges and overpasses, will
likely become slick and hazardous.
* WHAT...Snow expected elevations above 3500 ft. Total snow
accumulations of 6 to 11 inches.
* WHERE...South Washington Cascades and the Northern and Central
Cascades of Oregon.
* WHEN...From 5 PM Wednesday to 11 PM PDT Thursday.
* IMPACTS...Roads, and especially bridges and overpasses, will
likely become slick and hazardous.
...The Flood Warning continues for the following rivers in Oregon...
Owyhee River Below Owyhee Dam affecting Malheur County.
.Snow melt and increased reservoir releases will cause the river
flows to become high. Expect minor flooding downstream from the dam.
For the Owyhee River...including Owyhee Dam, Owyhee Dam...Minor
flooding is forecast.
* WHAT...Planned release of 4000 CFS from Owyhee Dam will start
Tuesday morning which will cause minor flooding on the Owyhee
River.
* WHERE...Owyhee River below Owyhee Dam.
* WHEN...Until further notice.
* ADDITIONAL DETAILS...
- At 12:30 PM MDT Monday /11:30 AM PDT Monday/ the flow was
2,514.0 cfs.
- Bankfull stage is 4.0 feet.
- Forecast...The river is expected to rise above flood stage
just after midnight tonight and continue rising to 3,999.9
cfs Thursday, March 20.
- Flood flow is 3,000.0 cfs.
- Flood History...No available flood history.
- https://www.weather.gov/safety/flood
...The Flood Warning continues for the following rivers in Oregon...
Malheur River Near Vale affecting Malheur County.
.Snow melt and increased reservoir releases will cause the river
flows to become high. Expect minor flooding downstream from the dam.
For the Malheur River...including Vale...Minor flooding is forecast.
* WHAT...Moderate flooding is forecast.
* WHERE...Malheur River near Vale.
* WHEN...Until Wednesday, March 19.
* IMPACTS...At 22.0 feet, Extensive flooding of farmland between
Harper and Ontario will occur. Numerous roads near the river will
be flooded including Harper Bridge Road near Harper, Butte Drive
between Vale and Ontario, and the 36th Street Bridge area just
upstream from Ontario including Malheur Drive. Some houses may be
surrounded by water. The river crest will take about 12 hours to
move downstream from Harper to Vale, and another 8 hours to move
from Vale to Ontario.
* ADDITIONAL DETAILS...
- At 12:30 PM MDT Monday /11:30 AM PDT Monday/ the stage was
19.5 feet.
- Bankfull stage is 19.0 feet.
- Forecast...The river will remain near 19.5 feet through
Wednesday morning. It will then rise to near 21.0 feet by
Thursday night.
- Flood stage is 19.5 feet.
- Flood History...This crest compares to a previous crest of
21.6 feet on 04/12/2023.
- https://www.weather.gov/safety/flood
* WHAT...South winds 25 to 40 mph with gusts up to 60 mph expected.
* WHERE...In California, Modoc County. In Oregon, Central and
Eastern Lake County.
* WHEN...From 8 AM Wednesday to 5 AM PDT Thursday.
* IMPACTS...Gusty winds will blow around unsecured objects. Tree
limbs could be blown down and a few power outages may result.
* WHAT...Snow expected. Total snow accumulations between 2 and 9
inches. Winds gusting as high as 50 mph.
* WHERE...The southern Oregon Cascades and Siskiyou Mountains, Modoc
County, and Northern and Eastern Klamath County and Western Lake
County.
* WHEN...From 5 AM Wednesday to 5 AM PDT Thursday.
* IMPACTS...Travel could be very difficult. The hazardous conditions
could impact the Wednesday morning and evening commutes. Gusty
winds could bring down tree branches.
* WHAT...Snow expected at or above elevations greater than 3500 ft.
Total snow accumulations between 4 and 12 inches.
* WHERE...West Slopes North Cascades and Passes and West Slopes
North Central Cascades and Passes.
* WHEN...Until 5 AM PDT Monday.
* IMPACTS...Plan on slippery road conditions.
* WHAT...Snow expected above 3500 feet. Total snow accumulations
between 5 and 10 inches.
* WHERE...Holden Village and Stevens Pass.
* WHEN...Until 5 AM PDT Monday.
* IMPACTS...Travel could be difficult.
* ADDITIONAL DETAILS...90 percent chance of snowfall rates 1+" per
hour at Stevens Pass from 5 PM to 10 PM Sunday.
* WHAT...Sneaker waves possible.
* WHERE...North and Central Coast of Oregon, and South
Washington Coast.
* WHEN...Through late tonight.
* IMPACTS...Waves can run up significantly farther on a beach than
normal, including over rocks and jetties. Sneaker waves can
suddenly knock people off of their feet and quickly pull them
into the frigid ocean which may lead to serious injury or
drowning.
* ADDITIONAL DETAILS...Threat will lower after Monday, but sneaker
waves are still a possibility. Keep children and pets away from
the surf zone. Keep off of jetties, rocks and logs near the surf
zone. If you see someone swept into the sea do not swim in after
them. Call 911 and keep an eye on them until help arrives. NOTE:
Razor clammers beware.
* WHAT...Sneaker waves possible.
* WHERE...North and Central Coast of Oregon, and South
Washington Coast.
* WHEN...Through late tonight.
* IMPACTS...Waves can run up significantly farther on a beach than
normal, including over rocks and jetties. Sneaker waves can
suddenly knock people off of their feet and quickly pull them
into the frigid ocean which may lead to serious injury or
drowning.
* ADDITIONAL DETAILS...Threat will lower after Monday, but sneaker
waves are still a possibility. Keep children and pets away from
the surf zone. Keep off of jetties, rocks and logs near the surf
zone. If you see someone swept into the sea do not swim in after
them. Call 911 and keep an eye on them until help arrives. NOTE:
Razor clammers beware.
...The Flood Warning continues for the following rivers in Oregon...
Malheur River Near Vale affecting Malheur County.
.Snow melt and increased reservoir releases will cause the river
flows to become high. Expect minor flooding downstream from the dam.
For the Malheur River...including Vale...Minor flooding is forecast.
* WHAT...Minor flooding is occurring and will continue through much
of the week.
* WHERE...Malheur River near Vale.
* WHEN...Until further notice.
* IMPACTS...At 22.0 feet, Extensive flooding of farmland between
Harper and Ontario will occur. Numerous roads near the river will
be flooded including Harper Bridge Road near Harper, Butte Drive
between Vale and Ontario, and the 36th Street Bridge area just
upstream from Ontario including Malheur Drive. Some houses may be
surrounded by water. The river crest will take about 12 hours to
move downstream from Harper to Vale, and another 8 hours to move
from Vale to Ontario.
* ADDITIONAL DETAILS...
- At 12:30 PM MDT Sunday /11:30 AM PDT Sunday/ the stage was
19.4 feet.
- Bankfull stage is 19.0 feet.
- Forecast...The river will oscillate below flood stage with a
maximum value of 21.9 feet Monday, March 17. It will rise
above flood stage early tomorrow afternoon.
- Flood stage is 19.5 feet.
- Flood History...This crest compares to a previous crest of
22.1 feet on 01/01/2006.
- https://www.weather.gov/safety/flood
...The Flood Warning continues for the following rivers in Oregon...
Owyhee River Below Owyhee Dam affecting Malheur County.
.Increased reservoir releases will cause the river flows to become
high. Expect minor flooding downstream from the dam.
For the Owyhee River...including Owyhee Dam, Owyhee Dam...Minor
flooding is forecast.
* WHAT...Planned release of 4000 CFS from Owyhee Dam will start
Monday morning which will cause minor flooding on the Owyhee River.
* WHERE...Owyhee River below Owyhee Dam.
* WHEN...From late tonight until further notice.
* ADDITIONAL DETAILS...
- At 12:30 PM MDT Sunday /11:30 AM PDT Sunday/ the stage was
6.0 feet.
- Bankfull stage is 4.0 feet.
- Forecast...The river is expected to rise above flood stage
late tonight and continue rising to 7.6 feet Tuesday morning.
Additional rises are possible thereafter.
- Flood stage is 6.6 feet.
- Flood History...This crest compares to a previous crest of
8.2 feet on 05/31/2019.
- https://www.weather.gov/safety/flood
* WHAT...Snow expected above 3500 feet. Total snow accumulations
between 4 and 9 inches.
* WHERE...Holden Village and Stevens Pass.
* WHEN...From 4 PM this afternoon to 5 AM PDT Monday.
* IMPACTS...Travel could be difficult.
* ADDITIONAL DETAILS...70 percent chance of snowfall rates 1+" per
hour at Stevens Pass from 5 PM to 10 PM Sunday.