* WHAT...Snow expected above 3000 feet. Total snow accumulations
of 2 to 8 inches, heaviest above 3500 feet.
* WHERE...In Oregon, North Oregon Cascades and Cascades of
Marion and Linn Counties. In Washington, South Washington
Cascades.
* WHEN...From 3 AM to 6 PM PDT Tuesday.
* IMPACTS...Plan on slippery road conditions, especially during
the night and morning hours.
At 327 PM MDT, Doppler radar was tracking an area of blowing dust
driven by winds 50-55 mph, moving southeast into the Lower
Treasure Valley of Idaho, at 35 mph.
HAZARD...Wind gusts of 50 to 55 mph.
SOURCE...Observation.
IMPACT...Gusty winds could knock down tree limbs and blow around
unsecured objects.
* WHAT...Sub-freezing temperatures as low as 30 expected.
* WHERE...Most of the Illinois Valley in Josephine County. This
includes Cave Junction, Selma, Obrien, and Takilma.
* WHEN...From 3 AM to 10 AM PDT Tuesday.
* IMPACTS...Frost and freeze conditions could kill crops, other
sensitive vegetation and possibly damage unprotected outdoor
plumbing.
* WHAT...Snow above 4000 feet. Additional snow accumulations of up
to 4 inches. Winds gusting as high as 45 mph.
* WHERE...East Slopes of the Oregon Cascades.
* WHEN...Until 11 AM PDT this morning.
* IMPACTS...Plan on slippery road conditions. The hazardous
conditions could impact the morning commute.
* ADDITIONAL DETAILS...Highest snow totals are anticipated along
the Cascade crest. Lower snow totals of less than one inch are
forecast along US-97 south of Bend.
* WHAT...Wet snow. Additional snow accumulations of 2 to 8
inches, except up to 12 inches above the passes.
* WHERE...West Slopes of the Northern and Central Oregon
Cascades, and South Washington Cascades.
* WHEN...Until 3 PM PDT this afternoon.
* IMPACTS...Plan on slippery road conditions.
* ADDITIONAL DETAILS...Expect snow levels will settle around 2500
to 3000 ft today.
* WHAT...Sub-freezing temperatures as low as 30 possible Illinois
Valley.
* WHERE...Most of the Illinois Valley in Josephine County. This
includes Cave Junction, Selma, Obrien, and Takilma.
* WHEN...From late tonight through Tuesday morning.
* IMPACTS...Frost and freeze conditions could kill crops, other
sensitive vegetation and possibly damage unprotected outdoor
plumbing.
* ADDITIONAL DETAILS...Cloud cover could moderate temperatures and
keep them above freezing. Right now, there is a 60% chance of
freezing.
* WHAT...Snow. Additional accumulations of 3 to 8 inches, heaviest
above the passes.
* WHERE...West Slopes of the Northern and Central Oregon
Cascades, and South Washington Cascades.
* WHEN...Until 2 PM PDT Monday.
* IMPACTS...Plan on slippery road conditions.
* ADDITIONAL DETAILS...Snow levels around 3500 to 4500 feet this
evening will lower overnight, with snow levels settling around
2500 feet Monday morning.
* WHAT...Snow expected. Total snow accumulations of 2 to 8
inches, except up to 10 to 14 inches above 5000 feet.
* WHERE...West Slopes of the Northern and Central Oregon
Cascades, and South Washington Cascades.
* WHEN...From 8 PM this evening to 11 AM PDT Monday.
* IMPACTS...Travel could be very difficult.
* ADDITIONAL DETAILS...Snow levels around 3500 to 4000 feet this
evening, lowering to 2000 to 2500 feet by Monday morning.
* WHAT...Snow expected. Total snow accumulations of 5 to 8
inches. Winds gusting as high as 35 mph.
* WHERE...East Slopes of the Oregon Cascades.
* WHEN...From 11 PM this evening to 11 AM PDT Monday.
* IMPACTS...Travel could be very difficult. The hazardous
conditions could impact the morning commute.
* ADDITIONAL DETAILS...Highest snow totals are anticipated along
the Cascade crest. Lower snow totals of less than one inch are
forecast along US-97 south of Bend.
* WHAT...Sub-freezing temperatures as low as 30 possible..
* WHERE...Most of the Illinois Valley in Josephine County. This
includes Cave Junction, Selma, Obrien, and Takilma.
* WHEN...From late Monday night Tuesday morning.
* IMPACTS...Frost and freeze conditions could kill crops, other
sensitive vegetation and possibly damage unprotected outdoor
plumbing.
* ADDITIONAL DETAILS...Cloud cover could moderate temperatures and
keep them above freezing. Right now, there is a 60% chance of
freezing.
...The Flood Warning is extended for the following rivers in
Oregon...
Owyhee River Below Owyhee Dam affecting Malheur County.
.High mountain snow melt and increased reservoir releases will cause
the river flows to remain high. Expect minor flooding downstream
from the dam.
For the Owyhee River...including Owyhee Dam...Minor flooding is
forecast.
* WHAT...Minor flooding is occurring and minor flooding is forecast.
* WHERE...Owyhee River below Owyhee Dam.
* WHEN...Until Wednesday morning.
* ADDITIONAL DETAILS...
- At 11:30 AM MDT Sunday /10:30 AM PDT Sunday/ the flow was
3,821 cfs.
- Recent Activity...The maximum river flow in the 24 hours
ending at 11:30 AM MDT Sunday /10:30 AM PDT Sunday/ was 3,894
cfs.
- Forecast...The river is expected to remain near 3,800 cfs in
the near term, though additional rises are possible.
- Flood flow is 3,000 cfs.
- Flood History...This crest compares to a previous crest of
3,560.0 cfs on 04/20/1999.
- https://www.weather.gov/safety/flood
* WHAT...Snow expected. Total snow accumulations of up to 6 to 8
inches. Winds gusting as high as 35 mph.
* WHERE...East Slopes of the Oregon Cascades.
* WHEN...From 11 PM this evening to 11 AM PDT Monday.
* IMPACTS...Travel could be very difficult. The hazardous
conditions could impact the morning commute.
* ADDITIONAL DETAILS...US-97 is expected to receive less than an
inch of snow.
* WHAT...Snow expected. Snow levels near 4000 feet today, but
lower to near 2500 feet tonight. Total snow accumulations 2 to
6 inches, but 7 to 15 inches above 4500 feet.
* WHERE...West Slopes of the Northern and Central Oregon
Cascades, and South Washington Cascades.
* WHEN...From 8 PM this evening to 11 AM PDT Monday.
* IMPACTS...Travel could be difficult at times.
* WHAT...Snow expected. Total snow accumulations of up to 6-8
inches. Winds gusting as high as 35 mph.
* WHERE...East Slopes of the Oregon Cascades.
* WHEN...From 11 PM Sunday to 11 AM PDT Monday.
* IMPACTS...Plan on slippery road conditions. The hazardous
conditions could impact the morning commute.
* ADDITIONAL DETAILS...US-97 is expected to receive less than an
inch of snow.
* WHAT...Snow expected. Total snow accumulations of 4 to 8 inches,
heaviest above 4000 feet. Winds gusting as high as 35 mph.
* WHERE...West Slopes of the Northern and Central Oregon
Cascades, and South Washington Cascades.
* WHEN...From 11 PM Sunday to 11 AM PDT Monday.
* IMPACTS...Travel could be very difficult.
* ADDITIONAL DETAILS...Snow levels around 3500 feet Sunday
evening, lowering to 2000 to 2500 feet by Monday morning.
...The Flood Warning continues for the following rivers in Oregon...
Owyhee River Below Owyhee Dam affecting Malheur County.
.High mountain snow melt and increased reservoir releases will cause
the river flows to remain high. Expect minor flooding downstream
from the dam.
For the Owyhee River...including Owyhee Dam...Minor flooding is
forecast.
* WHAT...Minor flooding is occurring and minor flooding is forecast.
* WHERE...Owyhee River below Owyhee Dam.
* WHEN...Until Wednesday morning.
* IMPACTS...At 3,000 cfs, Low lying roads, river access and
recreation sites adjacent to the river will flood. Farm equipment
near the river may need to be moved.
* ADDITIONAL DETAILS...
- At 10:30 AM MDT Saturday /9:30 AM PDT Saturday/ the flow was
3,809 cfs.
- Bankfull stage is 1,000 cfs.
- Recent Activity...The maximum river flow in the 24 hours
ending at 10:30 AM MDT Saturday /9:30 AM PDT Saturday/ was
3,833 cfs.
- Forecast...The river is expected to remain near 3,800 cfs in
the near term, though additional rises are possible.
- Flood flow is 3,000 cfs.
- Flood History...No available flood history.
- https://www.weather.gov/safety/flood
...The Flood Warning continues for the following rivers in Oregon...
Owyhee River Below Owyhee Dam affecting Malheur County.
.High mountain 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...Minor flooding is occurring and minor flooding is forecast.
* WHERE...Owyhee River below Owyhee Dam.
* WHEN...Until late Thursday morning.
* ADDITIONAL DETAILS...
- At 5:30 PM MDT Friday /4:30 PM PDT Friday/ the flow was
3,608.0 cfs.
- Bankfull stage is 1,000 cfs.
- Recent Activity...The maximum river flow in the 24 hours
ending at 5:30 PM MDT Friday /4:30 PM PDT Friday/ was 3,655.0
cfs.
- Forecast...The river will fall to 3,573.0 cfs just after
midnight tonight. It will then rise to 4,999.9 cfs early
Sunday morning. It will fall below flood stage early Thursday
morning to 1,437.1 cfs Monday, May 06 then rise again.
- Flood flow is 3,000.0 cfs.
- Flood History...This crest compares to a previous crest of
5,110.0 cfs on 05/31/2019.
- http://www.weather.gov/safety/flood
...The Flood Warning continues for the following rivers in Oregon...
Owyhee River Below Owyhee Dam affecting Malheur County.
.High mountain snow melt and increased reservoir releases will cause
the river flows to remain high. Expect minor flooding downstream
from the dam.
For the Owyhee River...including Owyhee Dam, Owyhee Dam...Minor
flooding is forecast.
* WHAT...Minor flooding is occurring and minor flooding is forecast.
* WHERE...Owyhee River below Owyhee Dam.
* WHEN...Until further notice.
* ADDITIONAL DETAILS...
- At 10:30 AM MDT Friday /9:30 AM PDT Friday/ the flow was
3,643.0 cfs.
- Bankfull stage is 1,000 cfs.
- Recent Activity...The maximum river flow in the 24 hours
ending at 10:30 AM MDT Friday /9:30 AM PDT Friday/ was
3,655.0 cfs.
- Forecast...The river is expected to rise to a crest of
4,999.9 cfs tomorrow morning. It will then fall below flood
stage early Thursday morning.
- Flood flow is 3,000.0 cfs.
- Flood History...This crest compares to a previous crest of
5,110.0 cfs on 05/31/2019.
- http://www.weather.gov/safety/flood
* WHAT...Snow above 4500 feet. Snow level 5000 feet, dropping down
to 4500 ft this afternoon. Total snow accumulations of 1 to 3
inches, but 3 to 8 inches above 5000 feet.
* WHERE...West Slopes of the Northern and Central Oregon
Cascades, and South Washington Cascades.
* WHEN...Until midnight PDT tonight.
* IMPACTS...Plan on slippery road conditions at times, mainly this
afternoon into this evening.
* ADDITIONAL DETAILS...Recent warm temperatures will likely delay
and diminish accumulations on paved road surfaces. Amounts will
be highest above 5000 feet.
* WHAT...Snow above 5000 feet. Additional snow accumulations of 8
to 10 inches.
* WHERE...Portions of the southern Oregon Cascades and Siskiyou
Mountains above 5000 feet. This includes Crater Lake, Diamond
Lake, Willamette Pass, and Mt. Ashland.
* WHEN...Until 2 PM PDT this afternoon.
* IMPACTS...Plan on slippery road conditions and periods of
reduced visibilities.
* ADDITIONAL DETAILS...The highest snowfall rates expected through
this morning when 1 inch per hour rates are likely (70%-90%) and
could bring periods of limited visibilities. Recent warm
temperatures will likely delay and diminish accumulations on
paved road surfaces. Amounts will be highest in the high
country, above 6500 feet.
* View the hazard area in detail at
https://www.wrh.noaa.gov/map/?wfo=mfr
