* AFFECTED AREA...In Oregon, Fire Weather Zone 688 Mt. Hood
National Forest Region, Fire Weather Zone 689 Northern
Willamette National Forest and Fire Weather Zone 690 Southern
Willamette National Forest. In Washington, Fire Weather Zone
634 Southern Gifford Pinchot National Forest and Fire Weather
Zone 635 Mt. Adams Ranger District of the Gifford-Pinchot
National Forest.
* WINDS...East 10 to 15 mph with gusts up to 30 mph.
* RELATIVE HUMIDITY...As low as 17 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.
* WHAT...Heat index values around 100 expected.
* WHERE...In California, Western Siskiyou County. In Oregon, Central
Douglas County, Eastern Curry County and Josephine County, Jackson
County, and South Central Oregon Coast.
* WHEN...From noon Thursday to 10 PM PDT Friday.
* IMPACTS...Hot temperatures and high humidity may cause heat
illnesses.
The National Weather Service in Portland has issued a Fire
Weather Watch, which is in effect from this evening through
Thursday afternoon.
* AFFECTED AREA...In Oregon, Fire Weather Zone 688 Mt Hood
National Forest Region, Fire Weather Zone 689 Northern
Willamette National Forest, and Fire Weather Zone 690 Southern
Willamette National Forest. In Washington, Fire Weather Zone 634
Southern Gifford Pinchot National Forest and Fire Weather Zone
635 Mt. Adams Ranger District of the Gifford-Pinchot National
Forest.
* WINDS...East 10 to 20 mph with gusts up to 35 mph.
* RELATIVE HUMIDITY...20 to 30 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.
* WHAT...Temperatures 94 to 97 expected. Overnight lows in the
mid 50s to mid 60s.
* WHERE...In Oregon, North Oregon Coast Range, North Oregon
Coast Range Lowlands, Upper Hood River Valley, Central Oregon
Coast Range, and Central Oregon Coast Range Lowlands. In
Washington, South Washington Cascade Foothills.
* WHEN...From noon Thursday to 10 PM PDT Friday.
* IMPACTS...Hot temperatures may cause heat illnesses.
* ADDITIONAL DETAILS...Conditions begin to warm on Wednesday
with highs of 85 to 90.
* WHAT...Dangerously hot conditions with temperatures around 100
expected. Overnight lows in the upper 50s to near 70, warmest
in urban areas, Columbia River Gorge, and Cascade foothills
and valleys.
* WHERE...Portions of northwest and west central Oregon and
southwest Washington.
* WHEN...From noon Thursday to 10 PM PDT Friday.
* IMPACTS...Heat related illnesses increase significantly during
extreme heat events.
* ADDITIONAL DETAILS...Conditions begin to warm on Wednesday
with highs of 90 to 95.
* WHAT...Dangerously hot temperatures in the mid to upper 90s
expected. Overnight lows in the mid 50s to near 70.
* WHERE...In Oregon, North Oregon Coast Range, North Oregon
Coast Range Lowlands, Upper Hood River Valley, Central Oregon
Coast Range, and Central Oregon Coast Range Lowlands. In
Washington, South Washington Cascade Foothills.
* WHEN...From noon Thursday to 10 PM PDT Friday.
* IMPACTS...Hot temperatures may cause heat illnesses.
* ADDITIONAL DETAILS...Conditions begin to warm on Wednesday
with highs of 85 to 90.
* WHAT...Dangerously hot conditions with temperatures around 100
expected. Overnight lows in the upper 50s to near 70, warmest
in urban areas, Columbia River Gorge, and Cascade foothills
and valleys.
* WHERE...Portions of northwest and west central Oregon and
southwest Washington.
* WHEN...From noon Thursday to 10 PM PDT Friday.
* IMPACTS...Heat related illnesses increase significantly during
extreme heat events.
* ADDITIONAL DETAILS...Conditions begin to warm on Wednesday
with highs of 90 to 95.
* WHAT...Hot conditions, with temperatures of 95-105 in the lower
elevations and 85-95 in the mountains. This will pose a moderate
to major risk of heat-related illness.
* WHERE...Portions of central, north central, and northeast Oregon
and central, south central, and southeast Washington.
* WHEN...From 1 PM Thursday to 9 PM PDT Saturday.
* IMPACTS...Heat will significantly increase the risk of
heat-related illnesses for those who are sensitive to heat,
especially those without effective cooling or adequate hydration.
* WHAT...Hot conditions with temperatures 85-95 degrees expected.
This will pose a moderate to major risk of heat-related illness.
* WHERE...Ochoco-John Day Highlands and Southern Blue Mountains of
Oregon.
* WHEN...From 1 PM to 8 PM PDT Friday.
* IMPACTS...Heat will significantly increase the risk of
heat-related illnesses for those who are sensitive to heat,
especially those without effective cooling or adequate hydration.
* WHAT...Heat index values up to 100 expected.
* WHERE...In California, Western Siskiyou County. In Oregon, Central
Douglas County, Eastern Curry County and Josephine County, Jackson
County, and South Central Oregon Coast.
* WHEN...From noon to 8 PM PDT Thursday.
* IMPACTS...Hot temperatures and high humidity may cause heat
illnesses.
* WHAT...Dangerously hot conditions with temperatures around 100
expected. Overnight lows in the upper 50s to near 70, warmest in
urban areas, Columbia River Gorge, and Cascade foothills and
valleys.
* WHERE...Portions of northwest and west central Oregon and
southwest Washington.
* WHEN...From noon Thursday to 10 PM PDT Friday.
* IMPACTS...Heat related illnesses increase significantly during
extreme heat events.
* ADDITIONAL DETAILS...Conditions begin to warm on Wednesday with
highs of 90 to 95.
* WHAT...Temperatures 94 to 97 expected. Overnight lows in the mid
50s to mid 60s.
* WHERE...In Oregon, North Oregon Coast Range, North Oregon Coast
Range Lowlands, Upper Hood River Valley, Central Oregon Coast
Range, and Central Oregon Coast Range Lowlands. In Washington,
South Washington Cascade Foothills.
* WHEN...From noon Thursday to 10 PM PDT Friday.
* IMPACTS...Hot temperatures may cause heat illnesses.
* ADDITIONAL DETAILS...Conditions begin to warm on Wednesday with
highs of 85 to 90.
* WHAT...High temperatures of 100 to 105 will be around 20 degrees
above normal.
* WHERE...In California, Western Siskiyou County. In Oregon, Central
Douglas County, Eastern Curry County and Josephine County, Jackson
County, and South Central Oregon Coast. This includes the lower
Klamath, Rogue, Illinois, Umpqua, upper Coquille, and Camas
valleys. This includes the cities of Somes Bar, Happy Camp,
Ashland, Medford, Grants Pass, Cave Junction, Roseburg, Agness,
and Powers.
* WHEN...From noon to 8 PM PDT Thursday.
* IMPACTS...Hot temperatures and high humidity may cause heat
illnesses.
At 613 PM MDT, Doppler radar was tracking strong thunderstorms along
a line extending from near Succor Creek Campground to near Kuna to
near Cinder Cone Butte. Movement was northeast at 35 mph.
HAZARD...Wind gusts of 50 to 55 mph and pea size hail.
SOURCE...Radar indicated.
IMPACT...Gusty winds could knock down tree limbs and blow around
unsecured objects. Areas of blowing dust reducing
visibilities. Minor damage to outdoor objects is possible.
Strong thunderstorms will be near...
Boise, Nampa, Caldwell, and Meridian around 620 PM MDT.
Eagle, Garden City, Star, and Wilder around 630 PM MDT.
Middleton, Notus, Sand Hollow, and Danskin Peak around 640 PM MDT.
Firebird Speedway and Bogus Basin Ski Area around 650 PM MDT.
* IMPACTS...Strong winds combined with critically low relative
humidity could lead to the rapid growth and spread of new and
existing fires. Outdoor burning is banned during fire season.
* AFFECTED AREA...In California, most of Fire Weather Zone
(FWZ) 285 including the Modoc National Forest. In Oregon,
southeast portion of FWZ 624 and much of FWZ 625. This
includes the eastern portions of the Fremont Winema National
Forest and areas south of Silver Lake.
* WIND...Southwest 20 to 30 mph with gusts to 40 mph. Winds
become west late in the afternoon.
* HUMIDITY...9 to 14 percent.
* DETAILED URL...View the hazard area in detail at
https://www.wrh.noaa.gov/map/?wfo=mfr
* WHAT...West winds 25 to 35 mph with gusts of 40 to 55 mph expected.
* WHERE...Eastern Columbia River Gorge of Oregon and Washington,
North Central Oregon, and Simcoe Highlands.
* WHEN...From 5 PM this afternoon to 5 AM PDT Tuesday.
* IMPACTS...Gusty winds will blow around unsecured objects. Tree
limbs could be blown down and a few power outages may result.
* WHAT...Southwest winds 25 to 35 mph with gusts of 40 to 50 mph
expected.
* WHERE...Foothills of the Southern Blue Mountains of Oregon and
Lower Columbia Basin of Oregon.
* WHEN...From 7 PM this evening to 5 AM PDT Tuesday.
* IMPACTS...Gusty winds will blow around unsecured objects. Tree
limbs could be blown down and a few power outages may result.
...RED FLAG WARNING IN EFFECT FROM 9 AM MDT /8 AM PDT/ TODAY TO
MIDNIGHT MDT /11 PM PDT/ MONDAY NIGHT FOR LIGHTNING FOR FIRE
WEATHER ZONES 400, 401, 402, 403, 420, 421, 423, 424, 426, AND
646...
...RED FLAG WARNING IN EFFECT FROM 9 AM MDT /8 AM PDT/ TO 9 PM
MDT /8 PM PDT/ TODAY FOR LIGHTNING AND WINDS/RH FOR FIRE WEATHER
ZONES 636 AND 637...
.The much-anticipated afternoon round of thunderstorms is
developing and storms will continue to move northeast. Scattered
lightning and wind gusts to 60 mph are expected. In addition,
strong winds and low RH has developed across southern Burns and
Vale BLM this afternoon. No changes were made to the warning this
afternoon. Storms may continue past midnight across the northern
part of the area, generally from Baker Valley east through the
Payette and Northern Boise NF, and although unlikely, the warning
may need to be extended in that area.
* Thunderstorms...Scattered.
* Outflow Winds...Gusts 40-60 mph.
* Timing...Until midnight MDT /11 PM PDT/ tonight.
...RED FLAG WARNING IN EFFECT FROM 9 AM MDT /8 AM PDT/ TODAY TO
MIDNIGHT MDT /11 PM PDT/ MONDAY NIGHT FOR LIGHTNING FOR FIRE
WEATHER ZONES 400, 401, 402, 403, 420, 421, 423, 424, 426, AND
646...
...RED FLAG WARNING IN EFFECT FROM 9 AM MDT /8 AM PDT/ TO 9 PM
MDT /8 PM PDT/ TODAY FOR LIGHTNING AND WINDS/RH FOR FIRE WEATHER
ZONES 636 AND 637...
.The much-anticipated afternoon round of thunderstorms is
developing and storms will continue to move northeast. Scattered
lightning and wind gusts to 60 mph are expected. In addition,
strong winds and low RH has developed across southern Burns and
Vale BLM this afternoon. No changes were made to the warning this
afternoon. Storms may continue past midnight across the northern
part of the area, generally from Baker Valley east through the
Payette and Northern Boise NF, and although unlikely, the warning
may need to be extended in that area.
* Thunderstorms...Scattered.
* Outflow Winds...Gusts 40-60 mph.
* Timing...Until 9 PM MDT /8 PM PDT/ this evening.
...RED FLAG WARNING IN EFFECT FROM 9 AM MDT /8 AM PDT/ TODAY TO
MIDNIGHT MDT /11 PM PDT/ MONDAY NIGHT FOR LIGHTNING FOR FIRE
WEATHER ZONES 400, 401, 402, 403, 420, 421, 423, 424, 426, AND
646...
...RED FLAG WARNING IN EFFECT FROM 9 AM MDT /8 AM PDT/ TO 9 PM
MDT /8 PM PDT/ TODAY FOR LIGHTNING AND WINDS/RH FOR FIRE WEATHER
ZONES 636 AND 637
.Thunderstorms are already well underway, and more are expected
today into tonight. This first round will continue to progress to
the northeast into the early afternoon. A second round will
develop this afternoon and then also move northeast through most
of the area. Scattered lightning and wind gusts to 60 mph are
expected. In addition, strong winds and low RH will develop across
southern Burns and Vale BLM this afternoon. No changes were made
to the warning this morning. Storms may continue past midnight
across the northern part of the area, generally from Baker Valley
east through the Payette and Northern Boise NF, and the warning
may need to be extended in that area.
* Thunderstorms...Scattered storms likely.
* Outflow Winds...50 mph.
* Timing...Until midnight MDT /11 PM PDT/ tonight.
* Thunderstorms...Scattered.
* Outflow Winds...Gusts 40-60 mph.
* Timing...Until midnight MDT /11 PM PDT/ tonight.
