* WHAT...Temperatures as low as 32 to 36 will result in frost
formation.
* WHERE...Foothills of the Northern and Central Oregon Cascades,
North and Central Coast Range Valleys of Oregon, Outer Southeast
Portland Metro, Linn County Lowlands, Lane County Lowlands, Upper
Hood River Valley, North Clark County Lowlands, and South
Washington Cascade Foothills.
* WHEN...Until 7 AM PDT this morning.
* IMPACTS...Frost could harm sensitive outdoor vegetation. Sensitive
outdoor plants may be killed if left uncovered.
* ADDITIONAL DETAILS...In the Upper Hood River Valley, frost will
occur primarily at elevations above 1500 feet.
* WHAT...Temperatures as low as 32 to 36 will result in frost
formation.
* WHERE...Foothills of the Northern and Central Oregon Cascades,
North and Central Coast Range Valleys of Oregon, Outer Southeast
Portland Metro, Linn County Lowlands, Lane County Lowlands, Upper
Hood River Valley, North Clark County Lowlands, and South
Washington Cascade Foothills.
* WHEN...From midnight tonight to 7 AM PDT Monday.
* IMPACTS...Frost could harm sensitive outdoor vegetation. Sensitive
outdoor plants may be killed if left uncovered.
* ADDITIONAL DETAILS...In the Upper Hood River Valley, frost will
occur primarily at elevations above 1500 feet.
* WHAT...Temperatures between 32 and 26 degrees will result in frost
formation.
* WHERE...Upper Hood River Valley, Cascade Foothills of Marion and
Linn Counties, and Lane County Cascade Foothills.
* WHEN...From midnight tonight to 7 AM PDT Sunday.
* IMPACTS...Frost could harm sensitive outdoor vegetation. Sensitive
outdoor plants may be killed if left uncovered.
* ADDITIONAL DETAILS...In the Upper Hood River Valley, frost will
occur primarily at elevations above 1000 feet, and will be most
widespread at elevations above 1500 feet.
* WHAT...West winds 25 to 35 mph with gusts up to 50 mph expected.
* WHERE...Eastern Columbia River Gorge of Oregon and Washington, and
Kittitas Valley.
* WHEN...From 2 PM this afternoon to 11 PM PDT this evening.
* IMPACTS...Gusty winds will blow around unsecured objects. Tree
limbs could be blown down and a few power outages may result.
* WHAT...Sub-freezing temperatures as low as 29 expected.
* WHERE...In Oregon, Foothills of the Northern Blue Mountains of
Oregon. In Washington, Lower Columbia Basin of Washington and
Foothills of the Blue Mountains of Washington.
* WHEN...From midnight tonight to 9 AM PDT Thursday.
* 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...Central and Southern Willamette Valley, Northern and
Central Coast Range Valleys and Mountains of Oregon, Foothills of
the Northern and Central Oregon Cascades, Lower Columbia River and
Cowlitz River Valleys, Tualatin Valley, Outer Southeast Portland
Metro, West Columbia River Gorge of Oregon above 500 ft, Willapa
Hills, North Clark County Lowlands, and South Washington Cascade
Foothills.
* WHEN...Until 9 AM PDT this morning.
* IMPACTS...Frost could harm sensitive outdoor vegetation. Sensitive
outdoor plants may be killed if left uncovered.
* WHAT...Sub-freezing temperatures between 28 and 32 degrees
expected.
* WHERE...Upper Hood River Valley.
* WHEN...Until 9 AM PDT this morning.
* IMPACTS...Frost and freeze conditions could kill crops, other
sensitive vegetation and possibly damage unprotected outdoor
plumbing.
* ADDITIONAL DETAILS...The coldest temperatures are forecast above
1000 feet elevation, between Odell and Parkdale.
* WHAT...Sub-freezing temperatures as low as 28 expected.
* WHERE...In Oregon, Foothills of the Northern Blue Mountains of
Oregon. In Washington, Kittitas Valley, Yakima Valley, and
Foothills of the Blue Mountains of Washington.
* WHEN...From midnight tonight to 9 AM PDT Tuesday.
* IMPACTS...Frost and freeze conditions could kill crops, other
sensitive vegetation and possibly damage unprotected outdoor
plumbing.
* ADDITIONAL DETAILS...Near or sub-freezing temperatures are most
likely in cold-prone valleys and areas sheltered from wind.
* WHAT...Sub-freezing temperatures as low as 28 expected.
* WHERE...In Oregon, Foothills of the Northern Blue Mountains of
Oregon. In Washington, Kittitas Valley, Yakima Valley, and
Foothills of the Blue Mountains of Washington.
* WHEN...From midnight tonight to 9 AM PDT Tuesday.
* IMPACTS...Frost and freeze conditions could kill crops, other
sensitive vegetation and possibly damage unprotected outdoor
plumbing.
* WHAT...Sub-freezing temperatures between 28 and 32 degrees
expected.
* WHERE...Upper Hood River Valley.
* WHEN...From midnight tonight to 9 AM PDT Tuesday.
* IMPACTS...Frost and freeze conditions could kill crops, other
sensitive vegetation and possibly damage unprotected outdoor
plumbing.
* ADDITIONAL DETAILS...The coldest temperatures are forecast above
1000 feet elevation, between Odell and Parkdale.
* WHAT...Temperatures between 33 and 36 degrees will result in frost
formation.
* WHERE...Central and Southern Willamette Valley, Northern and
Central Coast Range Valleys and Mountains of Oregon, Foothills of
the Northern and Central Oregon Cascades, Lower Columbia River and
Cowlitz River Valleys, Tualatin Valley, Outer Southeast Portland
Metro, West Columbia River Gorge of Oregon above 500 ft, Willapa
Hills, North Clark County Lowlands, and South Washington Cascade
Foothills.
* WHEN...From midnight tonight to 9 AM PDT Tuesday.
* IMPACTS...Frost could harm sensitive outdoor vegetation. Sensitive
outdoor plants may be killed if left uncovered.
* WHAT...Low temperatures ranging between 33 and 36 degrees will
result in frost formation.
* WHERE...Central and Southern Willamette Valley, Northern and
Central Coast Range Valleys and Mountains of Oregon, Foothills of
the Northern and Central Oregon Cascades, Lower Columbia River and
Cowlitz River Valleys, Tualatin Valley, Outer Southeast Portland
Metro, West Columbia River Gorge of Oregon above 500 ft, Upper
Hood River Valley, Willapa Hills, North Clark County Lowlands, and
South Washington Cascade Foothills.
* WHEN...From midnight tonight to 9 AM PDT Tuesday.
* IMPACTS...Frost could harm sensitive outdoor vegetation. Sensitive
outdoor plants may be killed if left uncovered.
* WHAT...Sub-freezing temperatures as low as 28 possible.
* WHERE...Lower Columbia Basin of Oregon and Washington, Foothills
of the Northern Blue Mountains of Oregon, Kittitas Valley, Yakima
Valley, and Foothills of the Blue Mountains of Washington.
* 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...Near or sub-freezing temperatures are most
likely in cold-prone valleys and areas sheltered from wind.
* WHAT...Sub-freezing temperatures as low as 30 possible.
* WHERE...Lower Columbia Basin of Oregon and Washington, Foothills
of the Northern Blue Mountains of Oregon, Kittitas Valley, Yakima
Valley, and Foothills of the Blue Mountains of Washington.
* WHEN...From late Monday night through Tuesday morning.
* IMPACTS...Frost and freeze conditions could kill crops, other
sensitive vegetation and possibly damage unprotected outdoor
plumbing.
* ADDITIONAL DETAILS...Near or sub-freezing temperatures are most
likely in cold-prone valleys and areas sheltered from wind.
* WHAT...Low temperatures ranging between 33 and 36 degrees will
result in frost formation.
* WHERE...Central and Southern Willamette Valley, Northern and
Central Coast Range Valleys and Mountains of Oregon, Foothills of
the Northern and Central Oregon Cascades, Lower Columbia River and
Cowlitz River Valleys, Tualatin Valley, Outer Southeast Portland
Metro, West Columbia River Gorge of Oregon above 500 ft, Upper
Hood River Valley, Willapa Hills, North Clark County Lowlands, and
South Washington Cascade Foothills.
* WHEN...From midnight Monday Night to 9 AM PDT Tuesday.
* IMPACTS...Frost could harm sensitive outdoor vegetation. Sensitive
outdoor plants may be killed if left uncovered.
* WHAT...North winds 25 to 35 mph with gusts up to 50 mph.
* WHERE...Portions of southwest Idaho and northeast and southeast
Oregon.
* WHEN...Until 9 PM MDT /8 PM PDT/ this evening.
* IMPACTS...Gusty winds will blow around unsecured objects. Tree
limbs could be blown down and a few power outages may result.
* WHAT...Northwest winds 25 to 35 mph with gusts up to 55 mph
expected.
* WHERE...Portions of southwest Idaho and northeast and southeast
Oregon.
* WHEN...Until 6 PM MDT /5 PM PDT/ this evening.
* IMPACTS...Gusty winds will blow around unsecured objects. Tree
limbs could be blown down and a few power outages may result.
...The Flood Warning continues for the following rivers in Oregon...
Silvies River Near Burns affecting Harney County.
.Continued snowmelt will keep the river at or near flood stage into
next week.
For the Silvies River...including Burns...flooding is forecast to
continue.
* WHAT...Flooding is occurring and flooding is forecast.
* WHERE...Silvies River near Burns.
* WHEN...Until early Saturday morning.
* IMPACTS...Flooding is occurring and affecting roads and homes.
* ADDITIONAL DETAILS...
- At 1:00 AM PDT Thursday the stage was 11.8 feet.
- Bankfull stage is 10.5 feet.
- Recent Activity...The maximum river stage in the 24 hours
ending at 4:30 AM PDT Monday was 12.1 feet.
- Forecast...The river will remain above minor flood stage
through Saturday morning, tapering off into action stage on
Sunday and through next week.
- Flood stage is 12.0 feet.
- https://www.weather.gov/safety/flood
...The Flood Warning continues for the following rivers in Oregon...
Silvies River Near Burns affecting Harney County.
.Warm temperatures will melt snowpack and increase river flows.
For the Silvies River...including Burns...flooding is forecast to
continue.
* WHAT...Minor flooding is forecast.
* WHERE...Silvies River near Burns.
* WHEN...Until early Saturday morning.
* IMPACTS...At 12.0 feet, Flooding of fields will occur in the Burns
area. Water will encroach on some private properties along North
Broadway Avenue, Foley Road, and Stancliff Road. Water will be
close to flowing on to Highway 20 at the Silvies River Bridge. Low
spots in the Burns RV Park may be impacted.
* ADDITIONAL DETAILS...
- At 11:00 AM PDT Wednesday the stage was 11.6 feet.
- Bankfull stage is 10.5 feet.
- Forecast...The river will rise above flood stage late tonight
to 12.2 feet early Friday morning. It will then fall below
flood stage late Friday evening to 11.4 feet early Monday
morning. It will rise to 11.5 feet late Monday evening. It
will then fall to 11.3 feet Friday, April 25. It will rise to
11.4 feet Friday, April 25. It will then fall again and
remain below flood stage.
- Flood stage is 12.0 feet.
- Flood History...This crest compares to a previous crest of
12.2 feet on 04/16/2006.
- https://www.weather.gov/safety/flood
* WHAT...Northwest winds 20 to 30 mph with gusts up to 45 mph
expected.
* WHERE...Portions of southwest Idaho and northeast and southeast
Oregon.
* WHEN...From 9 AM MDT /8 AM PDT/ to 6 PM MDT /5 PM PDT/ Thursday.
* IMPACTS...Gusty winds will blow around unsecured objects. Tree
limbs could be blown down and a few power outages may result.
