...WINDY THIS AFTERNOON AND EVENING...
.Temperatures will climb into the upper 60s to mid 70s this
afternoon prior to the arrival of a strong cold front between 3 PM
and 5 PM. The combination of low humidity and gusty southwest
winds ahead of the front followed by a wind shift to the west
(gusting to 50 mph) raises concerns for rapid and erratic
spreading of any new ignitions. Bands of light rain, cooler
temperatures, and rising humidity will follow the passage of the
cold front this evening.
* Affected Area: Fire Weather Zone 708 Washington Palouse (Zone
708) and Fire Weather Zone 709 Lower Palouse
-Snake River (Zone 709).
* Winds: Southwest 20 to 30 mph with gusts up to 50 mph.
* Relative Humidities: As low as 18 to 25 percent in the afternoon
prior to the arrival of light rain between 3 PM and 5 PM.
Recoveries to 70 to 80 percent Friday night.
* Impacts: Risk of rapidly spreading fires.
...BREEZY WINDS AND LOW HUMIDITY EXPECTED TODAY...
.Winds will increase as a Pacific cold front sweeps across the
Pacific Northwest. Very dry air and breezy winds will be present
across portions of central and eastern Oregon and southeast
Washington ahead of afternoon frontal passage. As a result, this
area will be susceptible to rapid fire spread.
* AFFECTED AREA...Fire Weather Zone 693 Southeast Washington
Grande Ronde Valley.
* 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.
* WHAT...Visibility between one-quarter and one mile due to blowing
dust expected. Sustained southwest to west winds of 15 to 25 mph
with gusts 30 to 40 mph.
* WHERE...Harrington, Airway Heights, Mansfield, Davenport, Creston,
Fairfield, Rockford, Moses Lake, Coulee City, Odessa, Cheney,
Ephrata, Othello, Quincy, Waterville, Wilbur, and Ritzville.
* WHEN...From 2 PM this afternoon to 7 PM PDT this evening.
* IMPACTS...Hazardous driving conditions due to reduced visibility.
* WHAT...West winds 20 to 30 mph with gusts up to 50 mph expected.
* WHERE...Craigmont, Lewiston Grade, Tekoa, Soldiers Meadow Road,
Alpowa Summit, Cloverland Road, Peck, Pullman, Anatone, Oakesdale,
Potlatch, Moscow, Lewiston, Kamiah, Peola, Nezperce, Clarkston,
Rosalia, Lapwai, Uniontown, Plummer, Genesee, La Crosse, Gifford,
Pomeroy, Colfax, Winchester, and Culdesac.
* WHEN...From 2 PM this afternoon to 7 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.
...BREEZY WINDS AND LOW HUMIDITY FRIDAY...
.Winds will increase Friday as a Pacific cold front sweeps across
the PacNW. Very dry air and breezy winds will be present across
portions of central and eastern Oregon and southeast Washington
ahead of afternoon frontal passage. As a result, this area will be
susceptible to rapid fire spread.
* AFFECTED AREA...Fire Weather Zone 693 Southeast Washington
Grande Ronde Valley.
* WINDS...West 15 to 25 mph with gusts up to 45 mph.
* RELATIVE HUMIDITY...As low as 10 percent.
* IMPACTS...Rapid fire spread may occur, particularly in dry
grassy areas.
...BREEZY WINDS AND LOW HUMIDITY FRIDAY...
.Winds will increase Friday as a dry cold front passes through
the area from the northwest. Very dry air will be present ahead
of the frontal passage during the afternoon, with humidities slow
to improve behind the front. As a result, this area will be
susceptible to rapid fire spread.
* AFFECTED AREA...Fire Weather Zone 693 Southeast Washington
Grande Ronde Valley.
* WINDS...Southwest 15 to 25 mph with gusts up to 35 mph.
* RELATIVE HUMIDITY...As low as 15 percent.
* IMPACTS...Rapid fire spread may occur, particularly in dry
grassy areas.
...BREEZY WINDS AND LOW HUMIDITY FRIDAY...
.Winds will increase Friday as a dry cold front passes through the
area from the northwest. Very dry air will be present ahead of the
frontal passage during the afternoon, with humidities slow to
improve behind the front. As a result, this area will be
susceptible to rapid fire spread.
The National Weather Service in Pendleton has issued a Red Flag
Warning for wind and low relative humidity, which is in effect
from noon to 6 PM PDT Friday.
* AFFECTED AREA...Fire Weather Zone 693 Southeast Washington
Grande Ronde Valley.
* WINDS...West 10 to 20 mph with gusts up to 30 mph.
* RELATIVE HUMIDITY...As low as 17 percent.
* IMPACTS...Rapid fire spread may occur, particularly in dry
grassy areas.
...WINDY AND DRY FRIDAY...
.A strong cold front will sweep through the region Friday
afternoon. Ahead of front, warm and dry conditions will develop
across southeastern WA and the lower Idaho Panhandle with gusty
southwest winds. Winds will continue to increase with the frontal
passage with a shift to more westerly winds in the late afternoon
and evening. With the frontal passage, there will be a brief
window for light rain showers with little to no rainfall.
The National Weather Service in Spokane has issued a Red Flag
Warning for wind and low relative humidity, which is in effect
from noon to 6 PM PDT Friday.
* Affected Area: Fire Weather Zone 708 Palouse (Zone 708) and
Fire Weather Zone 709 Lower Palouse -Snake River (Zone 709).
* Winds: Southwest to west 20 to 30 mph with gusts up 50 mph.
* Relative Humidities: 18 to 25 percent in the afternoon
increasing 70-80 percent Friday night.
* Impacts: Risk of rapidly spreading fires.
* 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.
