* WHAT...Southeast winds near 30 mph with gusts to 45 mph
expected.
* WHERE...In Idaho, Upper Treasure Valley and Western Magic
Valley. In Oregon, southern half of Harney County.
* WHEN...From 9 AM MDT /8 AM PDT/ to 6 PM MDT /5 PM PDT/
Saturday.
* IMPACTS...Gusty winds could blow around unsecured objects. A
few power outages are possible.
* WHAT...Snow expected above 3500 feet. Total snow accumulations
of 4 to 10 inches, except up to 16 inches above 5000 ft. Winds
gusting as high as 35 mph.
* WHERE...West Slopes of the Northern and Central Oregon
Cascades.
* WHEN...From 5 AM Saturday to 11 AM PDT Sunday.
* IMPACTS...Travel could be very difficult.
* WHAT...Snow expected above 4000 feet mainly along the crest and
passes of the Cascades. Total snow accumulations of 4 to 10
inches. Lower elevations along the east slopes could see a
couple of inches of snow.
* WHERE...East Slopes of the Oregon Cascades.
* WHEN...From 5 AM Saturday to 11 AM PDT Sunday.
* IMPACTS...Travel could be very difficult.
* WHAT...South winds 25 to 35 mph with gusts up to 50 mph expected.
* WHERE...Mostly the higher terrain of Lake County. This includes
the Winter Rim and portions of Highway 31 from Summer Lake to
Paisley. It also includes portions of Highway 140 east of Adel.
* WHEN...From 5 AM to 5 PM PDT Saturday.
* IMPACTS...Gusty winds will blow around unsecured objects. Tree
limbs could be blown down and a few power outages may result.
* WHAT...Snow expected above 4000 feet. Total snow accumulations
of 3 to 7 inches. Winds gusting as high as 40 mph.
* WHERE...The southern Oregon Cascades from Highway 140 northward.
This includes Lake of the Woods, Highway 62 and 138 at Crater
Lake and Diamond Lake, and portions of highway 58 near Crescent
Lake and Willamette Pass.
* WHEN...From 2 AM to 11 PM PDT Saturday.
* IMPACTS...Plan on slippery road conditions.
* ADDITIONAL DETAILS...Snow levels will drop quickly overnight
Friday and rain will change over to snow during the heaviest
precipitation. There is a 70 percent chance for 1 inch an hour
snowfall rates for a couple of hours between 4AM and 8AM.
Snowfall rates will lighten after that. Temperatures will be
very cold Saturday night, and any wet roads in the Cascades
could refreeze.
* View the hazard area in detail at
https://www.wrh.noaa.gov/map/?wfo=mfr
* WHAT...Snow expected above 3500 feet. Total snow accumulations
of 4 to 10 inches, except up to 16 inches above 5000 ft. Winds
gusting as high as 35 mph.
* WHERE...West Slopes of the Northern and Central Oregon
Cascades.
* WHEN...From 5 AM Saturday to 11 AM PDT Sunday.
* IMPACTS...Travel could be very difficult.
* WHAT...Wet snow above 4000 feet. Additional snow accumulations
of 2 to 5 inches, heaviest above 4500 feet.
* WHERE...North Oregon Cascades and Cascades of Marion and Linn
Counties.
* WHEN...Until 11 AM PDT this morning.
* IMPACTS...Plan on slippery road conditions.
* WHAT...Snow expected. Total snow accumulations of 3 to 8 inches.
* WHERE...East Slopes of the Oregon Cascades.
* WHEN...Until 11 AM PDT Thursday.
* IMPACTS...Plan on slippery road conditions. The hazardous
conditions could impact the morning commute.
* ADDITIONAL DETAILS...Lower snow accumulations are forecast along
US-97 south of Bend.
* WHAT...Sub-freezing temperatures expected.
* WHERE...Harrington, Davenport, Coeur d'Alene, Grand Coulee,
Odessa, Wilbur, Creston, Coulee City, Ephrata, Cheney, Airway
Heights, Fairfield, Rockford, Quincy, Moses Lake, Othello, Post
Falls, Downtown Spokane, Ritzville, Spokane Valley, Hayden, and
Worley.
* WHEN...Until 9 AM PDT Thursday.
* IMPACTS...Morning low temperatures between 30 and 35 are expected
across the Columbia Basin, Moses Lake area, and the Spokane/Coeur
d'Alene metro. Frost and freeze conditions could damage sensitive
garden plants and flowers.
* WHAT...Snow expected above 4000 feet. Total snow accumulations
of 3 to 8 inches, heaviest above 5000 feet.
* WHERE...North Oregon Cascades and Cascades of Marion and Linn
Counties.
* WHEN...Until 11 AM PDT Thursday.
* IMPACTS...Travel could be very difficult.
* WHAT...Sub-freezing temperatures expected.
* WHERE...Ephrata, Grand Coulee, Odessa, Creston, Othello, Spokane,
Davenport, Post Falls, Rockford, Ritzville, Spokane Valley,
Quincy, Cheney, Harrington, Airway Heights, Moses Lake, Hayden,
Worley, Wilbur, Coeur d'Alene, and Fairfield.
* WHEN...From midnight tonight to 9 AM PDT Thursday.
* IMPACTS...Morning low temperatures between 30 and 35 are expected
across the Columbia Basin, Moses Lake area, and the Spokane/Coeur
d'Alene metro. Frost and freeze conditions could sensitive garden
plants and flowers.
...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, Owyhee Dam...Minor
flooding is forecast.
* WHAT...Minor flooding is occurring and minor flooding is forecast.
* WHERE...Owyhee River below Owyhee Dam.
* WHEN...Until early Saturday morning.
* ADDITIONAL DETAILS...
- At 6:30 AM MDT Wednesday /5:30 AM PDT Wednesday/ the flow was
3,666 cfs.
- Bankfull stage is 1,000 cfs.
- Recent Activity...The maximum river flow in the 24 hours
ending at 6:30 AM MDT Wednesday /5:30 AM PDT Wednesday/ was
3,702 cfs.
- Forecast...The river is expected to fall below flood stage
late Friday evening and continue falling to 2,000 cfs Friday,
May 10.
- Flood flow is 3,000 cfs.
- Flood History...This crest compares to a previous crest of
3,560 cfs on 04/20/1999.
- http://www.weather.gov/safety/flood
* WHAT...Sub-freezing temperatures as low as 29 degrees in the
Illinois and Applegate Valleys.
* WHERE...Eastern Curry County and Josephine County.
* WHEN...Until 8 AM PDT this morning.
* IMPACTS...Frost and freeze conditions could kill crops, other
sensitive vegetation and possibly damage unprotected outdoor
plumbing.
* WHAT...Temperatures between 33 and 36 degrees will result in frost
formation.
* WHERE...Hood Canal Area, East Puget Sound Lowlands, Everett and
Vicinity, Lower Chehalis Valley Area, Southwest Interior, and
Tacoma Area.
* WHEN...Until 10 AM PDT Wednesday.
* IMPACTS...Frost could harm sensitive outdoor vegetation. Sensitive
outdoor plants may be killed if left uncovered.
* WHAT...Snow above 3000 feet. Additional snow accumulations of
up to two inches.
* WHERE...North Oregon Cascades and Cascades of Marion and Linn
Counties.
* WHEN...Until 9 PM PDT this evening.
* IMPACTS...Plan on slippery road conditions. Road surfaces that
were wet during the daytime hours will likely freeze as
temperatures fall overnight.
* WHAT...Low temperatures between 33F and 37F will result in frost
formation.
* WHERE...In Oregon, North Oregon Coast Range and North Oregon Coast
Range Lowlands. In Washington, Willapa Hills.
* WHEN...From midnight tonight to 8 AM PDT Wednesday.
* IMPACTS...Frost could harm sensitive outdoor vegetation. Sensitive
outdoor plants may be killed if left uncovered.
* WHAT...Low temperatures between 33F and 37F will result in frost
formation.
* WHERE...In Oregon, North Oregon Coast Range and North Oregon Coast
Range Lowlands. In Washington, Willapa Hills.
* WHEN...From midnight tonight to 8 AM PDT Wednesday.
* IMPACTS...Frost could harm sensitive outdoor vegetation. Sensitive
outdoor plants may be killed if left uncovered.
* WHAT...Low temperatures between 35F and 37F will result in frost
formation.
* WHERE...Tualatin Valley and West Central Willamette Valley.
* WHEN...From midnight tonight to 8 AM PDT Wednesday.
* IMPACTS...Frost could harm sensitive outdoor vegetation. Sensitive
outdoor plants may be killed if left uncovered.
* WHAT...Sub-freezing temperatures as low as 30 degrees are expected.
* WHERE...Portions of the Illinois and Applegate valleys, including
Obrien, Cave Junction, Provolt, and Williams.
* WHEN...From 2 AM to 8 AM PDT Wednesday.
* IMPACTS...Frost and freeze conditions could kill crops, other
sensitive vegetation and possibly damage unprotected outdoor
plumbing.
...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 tomorrow morning.
* ADDITIONAL DETAILS...
- At 9:30 AM MDT Tuesday /8:30 AM PDT Tuesday/ the flow was
3,655.0 cfs.
- Bankfull stage is 1,000 cfs.
- Recent Activity...The maximum river flow in the 24 hours
ending at 9:30 AM MDT Tuesday /8:30 AM PDT Tuesday/ was
3,858.0 cfs.
- Forecast...The river is expected to fall below flood stage
just after midnight tonight and continue falling to 2,000.0
cfs Friday, May 10.
- Flood flow is 3,000.0 cfs.
- Flood History...This crest compares to a previous crest of
3,560.0 cfs on 04/20/1999.
- http://www.weather.gov/safety/flood