* WHAT...Heavy snow. Additional snow accumulations of 7 to 14
inches. Winds gusting as high as 40 mph.
* WHERE...In Oregon, Northern Blue Mountains of Oregon. In
Washington, Northwest Blue Mountains.
* WHEN...Until 11 AM PDT Saturday.
* IMPACTS...Travel could be very difficult.
* WHAT...Snow. Additional snow accumulations of 1 to 3 inches,
except up to 5 inches for areas above 4500 ft.
* WHERE...Wallowa County.
* WHEN...Until 11 AM PDT Saturday.
* IMPACTS...Plan on slippery road conditions.
* WHAT...Snow. Additional snow accumulations of 1 to 3 inches.
* WHERE...Malheur County zone.
* WHEN...Until 3 AM MDT /2 AM PDT/ Saturday.
* IMPACTS...Travel could be difficult with accumulating snow on
roadways.
* WHAT...Heavy snow. Additional snow accumulations of 6 to 11
inches in the northern Blue Mountains and 1 to 3 inches in the
lower elevations of Wallowa County.
* WHERE...In Oregon, Wallowa County and Northern Blue Mountains
of Oregon. In Washington, Northwest Blue Mountains.
* WHEN...Until 11 AM PDT Saturday.
* IMPACTS...Travel could be very difficult. The hazardous
conditions could impact the evening commute.
* WHAT...Snow. Additional snow accumulations of 2 to 4 inches.
* WHERE...In Idaho, Southwest Highlands zone. In Oregon, Malheur
County zone.
* WHEN...Until noon MDT Saturday.
* IMPACTS...Travel could be difficult with accumulating snow on
roadways.
* WHAT...Heavy snow. Additional snow accumulations in the Blue
Mountains of 6 to 12 inches and 3 to 6 inches in Wallowa
County.
* WHERE...In Oregon, Wallowa County and Northern Blue Mountains
of Oregon. In Washington, Northwest Blue Mountains.
* WHEN...Until 11 AM PDT Saturday.
* IMPACTS...Travel could be very difficult to impossible. The
hazardous conditions could impact the evening commute.
...Forecast flooding changed from Minor to Moderate severity for the
following rivers in Oregon...
Owyhee River Below Owyhee Dam affecting Malheur County.
For the Owyhee River...including Owyhee Dam, Owyhee Dam...Moderate
flooding is forecast.
* WHAT...Minor flooding is occurring and moderate flooding is
forecast.
* WHERE...Owyhee River below Owyhee Dam.
* WHEN...Until late Wednesday morning.
* IMPACTS...At 6,000.0 cfs, Significant field flooding will occur
near the river from the mouth of the canyon to the confluence with
the Snake River. Water will begin to flow across Overstreet Road
near the bridge crossing.
* ADDITIONAL DETAILS...
- At 9:30 AM MDT Friday /8:30 AM PDT Friday/ the flow was
4,944.0 cfs.
- Bankfull is 1000 cfs.
- Recent Activity...The maximum river flow in the 24 hours
ending at 9:30 AM MDT Friday /8:30 AM PDT Friday/ was 6,417.0
cfs.
- Forecast...The river is expected to rise to a crest of
7,499.9 cfs this evening. It will then fall below flood stage
early Wednesday morning.
- Flood flow is 3,000.0 cfs.
- Flood History...This crest compares to a previous crest of
7,820.0 cfs on 04/03/1989.
- http://www.weather.gov/safety/flood
* WHAT...Snow. Additional snow accumulations of 2 to 4 inches.
* WHERE...In Idaho, Southwest Highlands zone. In Oregon, Malheur
County zone.
* WHEN...Until noon MDT Saturday.
* IMPACTS...Travel could be difficult with accumulating snow on
roadways.
* WHAT...Heavy snow. Total snow accumulations of 10 to 20 inches.
For areas under 4000 feet, snow accumulations up to 8 inches
expected. Winds gusting as high as 35 mph.
* WHERE...In Oregon, Wallowa County and Northern Blue Mountains
of Oregon. In Washington, Northwest Blue Mountains.
* WHEN...Until 11 AM PDT Saturday.
* IMPACTS...Travel could be very difficult to impossible. The
hazardous conditions could impact the morning or evening
commute.
* WHAT...Temperatures of 33 to 35 degrees will result in frost
formation.
* WHERE...Portions of northwest and west central Oregon and
southwest Washington.
* WHEN...Until 8 AM PDT this morning.
* IMPACTS...Frost could harm sensitive outdoor vegetation. Sensitive
outdoor plants may be killed if left uncovered.
* WHAT...Temperatures of 33 to 35 degrees will result in frost
formation.
* WHERE...Outer Southeast Portland Metro and West Columbia River
Gorge of Oregon above 500 ft.
* WHEN...Until 8 AM PDT this morning.
* IMPACTS...Frost could harm sensitive outdoor vegetation. Sensitive
outdoor plants may be killed if left uncovered.
* WHAT...Heavy snow. Total snow accumulations of 12 to 20
inches. Winds gusting as high as 35 mph.
* WHERE...In Oregon, Northern Blue Mountains of Oregon. In
Washington, Northwest Blue Mountains.
* WHEN...Until 11 AM PDT Saturday.
* IMPACTS...Travel could be very difficult to impossible. The
hazardous conditions could impact the morning or evening
commute.
* WHAT...Heavy snow. Total snow accumulations of up to 8 inches.
* WHERE...Wallowa County.
* WHEN...Until 11 AM PDT Saturday.
* IMPACTS...Travel could be very difficult. The hazardous
conditions could impact the morning or evening commute.
* WHAT...Temperatures of 33 to 35 degrees will result in frost
formation.
* WHERE...Portions of northwest and west central Oregon and
southwest Washington.
* WHEN...From 1 AM to 8 AM PDT Friday.
* IMPACTS...Frost could harm sensitive outdoor vegetation. Sensitive
outdoor plants may be killed if left uncovered.
* WHAT...Snow. Additional snow accumulations of 2 to 6 inches.
* WHERE...Wallowa County.
* WHEN...Until 11 AM PDT Saturday.
* IMPACTS...Travel could be very difficult to impossible. The
hazardous conditions could impact the morning or evening
commute.
* WHAT...Heavy snow. Additional snow accumulations of 10 to 17
inches. Winds gusting as high as 35 mph.
* WHERE...In Oregon, Northern Blue Mountains of Oregon. In
Washington, Northwest Blue Mountains.
* WHEN...Until 11 AM PDT Saturday.
* IMPACTS...Travel could be very difficult to impossible. The
hazardous conditions could impact the morning or evening
commute.
...The Flood Warning continues for the following rivers in Oregon...
Owyhee River Below Owyhee Dam affecting Malheur County.
.Heavy rain will fall on a deep primed snowpack leading to the melt
increasing. Flows in rivers will increase quickly and reach critical
levels.
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 Wednesday morning.
* ADDITIONAL DETAILS...
- At 7:30 PM MDT Thursday /6:30 PM PDT Thursday/ the flow was
4,378.0 cfs.
- Bankfull is 1000 cfs.
- Recent Activity...The maximum river flow in the 24 hours
ending at 7:30 PM MDT Thursday /6:30 PM PDT Thursday/ was
4,378.0 cfs.
- Forecast...The river is expected to rise to a crest of
4,999.9 cfs just after midnight tonight. It will then fall
below flood stage early Wednesday 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...Temperatures as low as 33 to 36 will result in frost
formation.
* WHERE...Portions of northwest and west central Oregon and
southwest Washington.
* WHEN...From 2 AM to 8 AM PDT Friday.
* IMPACTS...Frost could harm sensitive outdoor vegetation. Sensitive
outdoor plants may be killed if left uncovered.
* WHAT...Snow expected. Total snow accumulations of up to 3 to 6
inches.
* WHERE...Wallowa County.
* WHEN...Until 11 AM PDT Saturday.
* IMPACTS...Travel could be very difficult.
* WHAT...Heavy snow expected. Total snow accumulations of 10 to 18
inches. Winds gusting as high as 35 mph.
* WHERE...In Oregon, Northern Blue Mountains of Oregon. In
Washington, Northwest Blue Mountains.
* WHEN...Until 11 AM PDT Saturday.
* IMPACTS...Travel could be very difficult to impossible. Portions
of I-84 will be impacted by snow.
