* WHAT...Visibility between one-quarter and one mile in blowing dust
expected. Sustained southwest to west winds of 15 to 25 mph with
gusts 30 to 40 mph.
* WHERE...Quincy, Harrington, Fairfield, Othello, Cheney, Wilbur,
Airway Heights, Waterville, Moses Lake, Mansfield, Ephrata,
Spokane Valley, Downtown Spokane, Creston, Odessa, Rockford, Grand
Coulee, Davenport, Badger Mountain Road, Ritzville, and Coulee
City.
* WHEN...From 2 PM to 7 PM PDT Friday.
* IMPACTS...Hazardous driving conditions due to reduced visibility.
* WHAT...Southwest winds 20 to 30 mph with gusts up to 50 mph
expected. Areas of blowing dust producing visibility between
one-quarter and one mile.
* WHERE...Nezperce, Oakesdale, Tekoa, Clarkston, Colfax, Pomeroy,
Plummer, Uniontown, Lewiston, Pullman, Soldiers Meadow Road,
Lapwai, Kamiah, Mountain Road, Genesee, Rosalia, Moscow, Potlatch,
Peola, Alpowa Summit, Anatone, La Crosse, Winchester, Peck,
Craigmont, Culdesac, Gifford, Lewiston Grade, and Cloverland Road.
* WHEN...From 2 PM to 7 PM PDT Friday.
* IMPACTS...Gusty winds will blow around unsecured objects. Tree
limbs could be blown down and a few power outages may result.
* ADDITIONAL DETAILS... If you encounter blowing dust or blowing
sand on the roadway or see it approaching, pull off the road as
far as possible and put your vehicle in park. Turn the lights all
the way off and keep foot off the brake pedal. Remember, 'Pull
Aside, Stay Alive'.
* WHAT...Temperatures ranging from the upper 20s to the mid 30s will
lead to areas of frost.
* WHERE...Ephrata, Othello, Creston, Craigmont, Mountain Road, La
Crosse, Grand Coulee, Lewiston, Potlatch, Anatone, Moses Lake,
Wilbur, Genesee, Moscow, Oakesdale, Harrington, Culdesac, Deer
Park, Airway Heights, Lewiston Grade, Winchester, Badger Mountain
Road, Cloverland Road, Tekoa, Spokane Valley, Mansfield,
Davenport, Nezperce, Rockford, Rosalia, Peck, Kamiah, Uniontown,
Cheney, Gifford, Ritzville, Lapwai, Peola, Plummer, Odessa,
Pullman, Downtown Spokane, Waterville, Fairfield, Colfax, Soldiers
Meadow Road, Coulee City, and Quincy.
* WHEN...Until 8 AM PDT this morning.
* IMPACTS...Frost could harm sensitive outdoor vegetation. Sensitive
outdoor plants may be killed if left uncovered.
The National Weather Service in Portland has issued a Red Flag
Warning for wind and low relative humidity, which is in effect
until 8 PM PDT this evening.
* AFFECTED AREA...In Oregon, Fire Weather Zone 686 Northern Oregon
Cascade Foothills, Fire Weather Zone 688 Mt. Hood National
Forest Region and Fire Weather Zone 689 Northern Willamette
National Forest. In Washington, Fire Weather Zone 636 Western
Columbia River Gorge in Oregon and Washington. This includes the
southern part of the Gifford-Pinchot, Mount Hood and northern
part of the Willamette National Forests.
* WINDS...East 10 to 15 mph with gusts 20 to 30 mph. Strongest
winds will be around and in the western Columbia River Gorge.
* RELATIVE HUMIDITY...15 to 25 percent.
* IMPACTS...Conditions may be favorable for rapid fire spread
which may threaten life and property. Use extra caution with
potential ignition sources, especially in grassy areas.
Outdoor burning is not recommended.
* ADDITIONAL INFORMATION...Winds will ease tonight, but poor
overnight recoveries are expected on the slopes and ridges, with
maximum humidity of 35 to 50 percent expected.
* WHAT...Temperatures as low as 32 will result in frost formation.
* WHERE...Lapwai, La Crosse, Davenport, Nezperce, Oakesdale,
Culdesac, Airway Heights, Othello, Peola, Lewiston, Rockford,
Pullman, Uniontown, Downtown Spokane, Deer Park, Badger Mountain
Road, Lewiston Grade, Tekoa, Ephrata, Grand Coulee, Winchester,
Colfax, Mansfield, Mountain Road, Peck, Rosalia, Moscow,
Craigmont, Kamiah, Moses Lake, Plummer, Waterville, Anatone,
Cloverland Road, Wilbur, Soldiers Meadow Road, Ritzville, Genesee,
Spokane Valley, Creston, Cheney, Fairfield, Odessa, Harrington,
Gifford, Quincy, Coulee City, and Potlatch.
* WHEN...From 1 AM to 8 AM PDT Thursday.
* IMPACTS...Frost could harm sensitive outdoor vegetation. Sensitive
outdoor plants may be killed if left uncovered.
* WHAT...Large waves and hazardous surf conditions.
* WHERE...North Coast and Central Coast zones.
* WHEN...Until 4 AM PDT Thursday.
* IMPACTS...Large waves may wash over beaches, jetties, and other
structures unexpectedly. People can be swept off rocks and
jetties and drown while observing high surf. Localized beach
erosion is possible.
* ADDITIONAL DETAILS...Seas are expected to peak late this evening
and subside into Thursday morning.
* WHAT...Northwest winds 25 to 35 mph with gusts up to 45 mph.
* WHERE...Kittitas Valley.
* WHEN...Until 10 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.
* WHERE...Potlatch, Uniontown, Oakesdale, Tekoa, Rosalia, Moscow,
Colfax, Genesee, La Crosse, Plummer, and Pullman.
* 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 as low as 34 will result in frost formation.
* WHERE...Okanogan, Omak, Grand Coulee, Craigmont, Odessa, Ephrata,
Winchester, Worley, Moses Lake, Fairfield, Soldiers Meadow Road,
Bridgeport, Creston, Rockford, Downtown Spokane, Ritzville,
Disautel Pass, Brewster, Nezperce, Spokane Valley, Nespelem,
Oroville, Coulee City, Othello, Tonasket, Coeur d'Alene, Cheney,
Badger Mountain Road, Hayden, Quincy, Waterville, Airway Heights,
Post Falls, Mansfield, Davenport, Kamiah, Wilbur, and Harrington.
* WHEN...Until 8 AM PDT this morning.
* IMPACTS...Frost could harm sensitive outdoor vegetation. Sensitive
outdoor plants may be killed if left uncovered.
* WHAT...Sub-freezing temperatures as low as 30 expected.
* WHERE...Pullman, La Crosse, Uniontown, Oakesdale, Colfax, Tekoa,
and Rosalia.
* WHEN...From 1 AM to 8 AM PDT Monday.
* IMPACTS...Frost and freeze conditions could kill crops, other
sensitive vegetation and possibly damage unprotected outdoor
plumbing.
* WHAT...Temperatures as low as 32 will result in frost formation.
* WHERE...Othello, Moses Lake, Coulee City, Creston, Spokane Valley,
Fairfield, Airway Heights, Badger Mountain Road, Ephrata,
Harrington, Ritzville, Downtown Spokane, Quincy, Mansfield, Grand
Coulee, Davenport, Rockford, Wilbur, Cheney, Odessa, and
Waterville.
* WHEN...From 1 AM to 8 AM PDT Monday.
* IMPACTS...Frost could harm sensitive outdoor vegetation. Sensitive
outdoor plants may be killed if left uncovered.
* WHAT...Temperatures as low as 32 will result in frost formation.
* WHERE...Bridgeport, Craigmont, Worley, Oroville, Okanogan, Hayden,
Nespelem, Omak, Nezperce, Coeur d'Alene, Disautel Pass, Kamiah,
Post Falls, Tonasket, Winchester, Soldiers Meadow Road, and
Brewster.
* WHEN...From 1 AM to 8 AM PDT Monday.
* IMPACTS...Frost could harm sensitive outdoor vegetation. Sensitive
outdoor plants may be killed if left uncovered.
* WHAT...Northwest winds 25 to 35 mph with gusts up to 50 mph
expected.
* WHERE...Kittitas Valley.
* WHEN...Until 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.
* ADDITIONAL DETAILS...Patchy blowing dust can also be expected.
* WHAT...Visibility between one-quarter and one mile in blowing dust.
* WHERE...Lower Columbia Basin of Washington and Foothills of the
Blue Mountains of Washington.
* WHEN...Until 8 PM PDT this evening.
* IMPACTS...Hazardous driving conditions due to reduced visibility.
* ADDITIONAL DETAILS...Blowing dust has developed in northern
Franklin, Walla Walla, and Columbia counties between HWY395 and
HWY12. Additional areas of blowing dust are expected to develop
this afternoon.
The National Weather Service in Spokane has issued a
* Dust Storm Warning for...
Northeastern Adams County in eastern Washington...
North central Whitman County in eastern Washington...
Southeastern Lincoln County in eastern Washington...
* Until 330 PM PDT.
* At 225 PM PDT, a dust channel was 7 miles east of Ritzville, or 37
miles southwest of Cheney, moving east at 35 mph.
HAZARD...Less than a quarter mile visibility.
SOURCE...Trained weather spotters reported zero to one-quarter
visibility 7 miles northwest of Ritzville at 140 PM.
IMPACT...Dangerous life-threatening travel.
* This includes the following highways...
Interstate 90 in Washington between mile markers 212 and 247.
U.S. Highway 395 in Washington between mile markers 94 and 96.
Locations impacted include...
Ritzville, Sprague, Lamont, Marcellus, Tokio, Revere, and Packard.
* WHAT...Northwest winds 25 to 35 mph with gusts up to 50 mph
expected.
* WHERE...Kittitas Valley.
* WHEN...Until 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.
* ADDITIONAL DETAILS...Patchy blowing dust can also be expected.
The National Weather Service in Spokane has issued a
* Dust Storm Warning for...
Northeastern Whitman County in eastern Washington...
Southeastern Lincoln County in eastern Washington...
Southern Spokane County in northeastern Washington...
* Until 300 PM PDT.
* At 127 PM PDT, a dust channel was 14 miles east of Ritzville, or 32
miles southwest of Cheney, moving east at 25 mph.
HAZARD...Less than a quarter mile visibility with strong wind in
excess of 40 mph.
SOURCE...Doppler radar.
IMPACT...Dangerous life-threatening travel.
* This includes the following highways...
Interstate 90 in Washington between mile markers 251 and 253.
U.S. Highway 195 in Washington between mile markers 35 and 78.
Locations impacted include...
Colfax, Palouse, Tekoa, Fairfield, Garfield, Rosalia, St. John,
Oakesdale, Endicott, Malden, Latah, Farmington, Waverly, Lamont,
Amber, Steptoe, Belmont, Diamond, Thornton, and Pine City.
...BREEZY WINDS AND LOW HUMIDITY TODAY...
.A dry cold front passage earlier this morning will result in
breezy winds developing and persisting through this evening. Very
dry air filtering into the region behind the cold front will
result in relative humidity quickly falling in many locations of
the Columbia Basin. As a result, this area will be susceptible to
rapid fire spread.
* AFFECTED AREA...Fire Weather Zones 641 Lower Columbia Basin of
Oregon and 691 Lower Columbia Basin.
* WINDS...West 15 to 25 mph with gusts up to 40 mph.
* RELATIVE HUMIDITY...As low as 15 percent.
* IMPACTS...Rapid fire spread may occur, particularly in dry
grassy areas.
