* WHAT...For the Excessive Heat Warning, dangerously hot
conditions with temperatures 104 to 109 today through Wednesday
and then 102 to 105 on Friday. Temperatures will be hottest in
the lower elevations near the Snake River. For the Excessive
Heat Watch, dangerously hot conditions with temperatures up to
101 possible.
* WHERE...Baker County.
* WHEN...For the first Excessive Heat Warning, from 10 AM
Tuesday to 11 PM PDT Wednesday. For the second Excessive Heat
Warning, from 11 AM to 11 PM PDT Friday. For the Excessive
Heat Watch, from Friday evening through Sunday evening.
* IMPACTS...Extreme heat will significantly increase the
potential for heat related illnesses, particularly for those
working or participating in outdoor activities.
* WHAT...For the Excessive Heat Warning, dangerously hot
conditions with temperatures 105 to 110 expected. For the
Excessive Heat Watch, dangerously hot conditions with
temperatures up to 106 possible.
* WHERE...Oregon Lower Treasure Valley.
* WHEN...For the Excessive Heat Warning, until midnight MDT
Friday night. For the Excessive Heat Watch, from late Friday
night through Sunday evening.
* IMPACTS...Extreme heat will significantly increase the
potential for heat related illnesses, particularly for those
working or participating in outdoor activities.
* WHAT...For the Excessive Heat Warning, dangerously hot
conditions with temperatures 104 to 109 today through Wednesday
and then 102 to 105 on Friday. Temperatures will be hottest in
the lower elevations near the Snake River. For the Excessive
Heat Watch, dangerously hot conditions with temperatures up to
101 possible.
* WHERE...Baker County.
* WHEN...For the first Excessive Heat Warning, from 10 AM
Tuesday to 11 PM PDT Wednesday. For the second Excessive Heat
Warning, from 11 AM to 11 PM PDT Friday. For the Excessive
Heat Watch, from Friday evening through Sunday evening.
* IMPACTS...Extreme heat will significantly increase the
potential for heat related illnesses, particularly for those
working or participating in outdoor activities.
...HOT, DRY AND UNSTABLE ALONG WITH BREEZY WINDS TUESDAY THROUGH
LATE WEDNESDAY...
.High pressure that has brought the hot temperatures the past
weekend is showing signs of breaking down. The instability will
increase as a result, and the combination of hot, dry and
unstable weather warrants Red Flag Warnings and Fire Weather
Watches. In addition, breezy winds will develop through the
Cascade gaps and into portions of the Columbia Basin Wednesday
and will coincide with low relative humidities in the afternoon
and evening.
* AFFECTED AREA...Fire Weather Zones 642 Southern Blue and
Strawberry Mountains, 643 Northern Blue Mountains of Oregon,
644 Central Blue Mountains, 645 Wallowa District, 692 Blue
Mountains of Washington and 693 Southeast Washington Grande
Ronde Valley.
* TIMING...Tuesday afternoon through Wednesday evening.
* WINDS...Northwest 10 to 15 mph.
* RELATIVE HUMIDITY...As low as 9 percent.
* TEMPERATURES...Up to 101.
* IMPACTS...There is a chance of extreme fire behavior for any
new and existing fires.
* HAINES...As high as 6.
...HOT, DRY AND UNSTABLE ALONG WITH BREEZY WINDS TUESDAY THROUGH
LATE WEDNESDAY...
.High pressure that has brought the hot temperatures the past
weekend is showing signs of breaking down. The instability will
increase as a result, and the combination of hot, dry and
unstable weather warrants Red Flag Warnings and Fire Weather
Watches. In addition, breezy winds will develop through the
Cascade gaps and into portions of the Columbia Basin Wednesday
and will coincide with low relative humidities in the afternoon
and evening.
* AFFECTED AREA...Fire Weather Zones 641 Lower Columbia Basin of
Oregon, 690 Kittitas Valley and 691 Lower Columbia Basin.
* WINDS...West 15 to 25 mph with gusts up to 35 mph.
* RELATIVE HUMIDITY...As low as 12 percent.
* IMPACTS...Breezy conditions combined with low RHs will result
in rapid fire spread and extreme fire behavior.
...HOT, DRY AND UNSTABLE ALONG WITH BREEZY WINDS TUESDAY THROUGH
LATE WEDNESDAY...
.High pressure that has brought the hot temperatures the past
weekend is showing signs of breaking down. The instability will
increase as a result, and the combination of hot, dry and
unstable weather warrants Red Flag Warnings and Fire Weather
Watches. In addition, breezy winds will develop through the
Cascade gaps and into portions of the Columbia Basin Wednesday
and will coincide with low relative humidities in the afternoon
and evening.
* AFFECTED AREA...Fire Weather Zones 610 East Slopes of Central
Oregon Cascades, 611 Deschutes National Forest -minus Sisters
Ranger District, 639 East Slopes of the Northern Oregon
Cascades, 640 Central Mountains of Oregon, 694 Yakama Alpine
District and 695 East Washington South Central Cascade
Mountains.
* TIMING...Today through Tuesday night.
* WINDS...North 5 to 15 mph.
* RELATIVE HUMIDITY...As low as 8 percent.
* TEMPERATURES...Up to 105.
* IMPACTS...Any new and existing fires have a strong potential
for extreme fire behavior.
* HAINES...As high as 6.
...HOT AND DRY WITH CRITICAL HUMIDITIES AND BREEZY NORTHERLY
WINDS ACROSS THE SOUTHERN WILLAMETTE VALLEY ON MONDAY, JULY 8TH...
* AFFECTED AREA...In Oregon, Fire Weather Zone 685 Southern
Willamette Valley.
* WINDS...North 10 to 15 mph with gusts to 20 mph.
* RELATIVE HUMIDITY...As low as 15 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...Dangerously hot conditions with temperatures between 100
and 105 degrees expected. Overnight temperatures will be slow to
cool off each evening, only falling below 70 degrees for a short
period each night, if at all depending on your location. The warm
nighttime temperatures will limit chances to recover from the
heat, exacerbating the risk of heat-related illness during this
prolonged heat wave.
* WHERE...Portions of northwest and west central Oregon and
southwest Washington.
* WHEN...Until 10 PM PDT Tuesday.
* IMPACTS...Heat related illnesses increase significantly during
extreme heat events.
* WHAT...Afternoon temperatures in the upper 80s to middle 90s
expected. A few spots could reach close to 100 degrees, mainly the
lower valleys located towards the Willamette Valley.
* WHERE...In Oregon, North Oregon Cascades, Cascades of Lane County,
and Cascades of Marion and Linn Counties. In Washington, South
Washington Cascades.
* WHEN...Until 10 PM PDT Tuesday.
* IMPACTS...Hot temperatures may cause heat illnesses.
Oregon Department of Environmental Quality has issued an Air Quality
Advisory...IN EFFECT UNTIL 9 PM PDT TUESDAY.
An Air Quality Advisory for Ozone has been issued. High levels of
ozone in the lower atmosphere in the region combined with
forecasted conditions will cause air quality to reach unhealthy
levels at times through Tuesday evening.
For additional information...please visit the Web site at
http://www.oregon.gov/DEQ
* WHAT...Dangerously hot conditions with high temperatures 105 to
115, and low temperatures in the mid 60s to lower 70s through
Tuesday, then continuing hot with high temperatures 100 to 110 on
Wednesday.
* WHERE...In California, western and central Siskiyou County. This
includes the cities of Yreka, Weed, Etna, Happy Camp, Mt Shasta
City, and Dunsmuir. In Oregon, Josephine and Jackson counties and
eastern Curry County. This includes the entire Rogue Valley and
the cities of Medford, Grants Pass, Cave Junction, and Butte Falls.
* WHEN...Until 9 PM PDT Wednesday.
* IMPACTS...Heat related illnesses increase significantly during
extreme heat events. Area rivers will be cold and can cause shock
to swimmers.
* WHAT...High temperatures of 95 to 102 degrees with lows in the mid
to upper 50s expected.
* WHERE...In California, Modoc County and eastern Siskiyou County.
This includes the cities and communities of Macdoel, Tulelake,
Pondosa, Bray, Tennant, Dorris, Tionesta, Alturas, and Adin. In
Oregon, Klamath and Lake counties. This includes the cities of
Klamath Falls, Chemult, Summer Lake, Chiloquin, Malin, Keno,
Sprague River, and Lakeview.
* WHEN...Until 9 PM PDT Wednesday.
* IMPACTS...Hot temperatures may cause heat illnesses. Area rivers
will be cold and can cause shock to swimmers.
* WHAT...High temperatures of 100 to 108 with low temperatures in
the mid to upper 60s expected.
* WHERE...Central Douglas County and Eastern Douglas County
Foothills. This includes the cities of Roseburg, Toketee Falls,
and Sutherlin.
* WHEN...Until 9 PM PDT Tuesday.
* IMPACTS...Heat related illnesses increase significantly during
extreme heat events, particularly for those working or
participating in outdoor activities. Area rivers will be cold and
can cause shock to swimmers.
* ADDITIONAL DETAILS...This will be a long-duration heatwave with
hot temperatures through Tuesday.
* WHAT...For the Excessive Heat Warning, dangerously hot
conditions with temperatures 105 to 110 expected. For the
Excessive Heat Watch, dangerously hot conditions with
temperatures up to 106 possible.
* WHERE...Oregon Lower Treasure Valley.
* WHEN...For the Excessive Heat Warning, until midnight MDT
Friday night. For the Excessive Heat Watch, from late Friday
night through Sunday evening.
* IMPACTS...Extreme heat will significantly increase the
potential for heat related illnesses, particularly for those
working or participating in outdoor activities.
* WHAT...For the first Excessive Heat Warning, dangerously hot
conditions with temperatures 104 to 109, hottest in the lower
elevations near the Snake River. For the Excessive Heat Watch,
dangerously hot conditions with temperatures up to 101 possible.
* WHERE...Baker County.
* WHEN...For the first Excessive Heat Warning, from 10 AM
Tuesday to 11 PM PDT Wednesday. For the second Excessive Heat
Warning, from 11 AM to 11 PM PDT Friday. For the Excessive
Heat Watch, from Friday evening through Sunday evening.
* IMPACTS...Extreme heat will significantly increase the
potential for heat related illnesses, particularly for those
working or participating in outdoor activities.
* WHAT...For the Excessive Heat Warning, dangerously hot
conditions with temperatures 105 to 110 expected. For the
Excessive Heat Watch, dangerously hot conditions with
temperatures up to 106 possible.
* WHERE...Portions of southwest and west central Idaho and
southeast Oregon.
* WHEN...For the Excessive Heat Warning, from 11 AM MDT /10 AM
PDT/ Tuesday to midnight MDT /11 PM PDT/ Friday night. For the
Excessive Heat Watch, from late Friday night through Sunday
evening.
* IMPACTS...Extreme heat will significantly increase the
potential for heat related illnesses, particularly for those
working or participating in outdoor activities.
* WHAT...For the Heat Advisory, temperatures up to 103 expected.
For the Excessive Heat Watch, dangerously hot conditions with
temperatures up to 104 possible.
* WHERE...Harney County.
* WHEN...For the Heat Advisory, from 10 AM Tuesday to 11 PM PDT
Friday. For the Excessive Heat Watch, from Friday evening
through Sunday evening.
* IMPACTS...Extreme heat will significantly increase the
potential for heat related illnesses, particularly for those
working or participating in outdoor activities.
* WHAT...For the Excessive Heat Warning, dangerously hot
conditions with temperatures 105 to 110 expected. For the
Excessive Heat Watch, dangerously hot conditions with
temperatures up to 106 possible.
* WHERE...Oregon Lower Treasure Valley.
* WHEN...For the Excessive Heat Warning, until midnight MDT
Friday night. For the Excessive Heat Watch, from late Friday
night through Sunday evening.
* IMPACTS...Extreme heat will significantly increase the
potential for heat related illnesses, particularly for those
working or participating in outdoor activities.
* WHAT...For the Heat Advisory, temperatures up to 103 expected.
For the Excessive Heat Watch, dangerously hot conditions with
temperatures up to 104 possible.
* WHERE...Harney County.
* WHEN...For the Heat Advisory, from 10 AM Tuesday to 11 PM PDT
Friday. For the Excessive Heat Watch, from Friday evening
through Sunday evening.
* IMPACTS...Extreme heat will significantly increase the
potential for heat related illnesses, particularly for those
working or participating in outdoor activities.
* WHAT...For the first Excessive Heat Warning, dangerously hot
conditions with temperatures 104 to 109, hottest in the lower
elevations near the Snake River. For the Excessive Heat Watch,
dangerously hot conditions with temperatures up to 101 possible.
* WHERE...Baker County.
* WHEN...For the first Excessive Heat Warning, from 10 AM
Tuesday to 11 PM PDT Wednesday. For the second Excessive Heat
Warning, from 11 AM to 11 PM PDT Friday. For the Excessive
Heat Watch, from Friday evening through Sunday evening.
* IMPACTS...Extreme heat will significantly increase the
potential for heat related illnesses, particularly for those
working or participating in outdoor activities.
