* WHAT...Dangerously hot conditions with high temperatures of
96-101F and overnight low temperatures of 60-70F possible. The
warmest overnight lows will occur in urban areas to the north of
Salem and in the Columbia River Gorge.
* WHERE...Greater Portland/Vancouver Metro, Western and Central
Columbia River Gorge, the Corbett area and the Hood River Valley,
Central and Southern Willamette Valley, Lower Columbia River and
Cowlitz River Valleys, and Clackamas County Cascade Foothills.
* WHEN...From Friday morning through late Sunday night.
* IMPACTS...Heat related illnesses increase significantly during
extreme heat events, especially for those spending time outdoors
or without access to adequate cooling.
* WHAT...Dangerously hot conditions with high temperatures of
95-100F and overnight low temperatures of 60-70F possible.
* WHERE...In Oregon, Cascade Foothills of Marion and Linn Counties
and Lane County Cascade Foothills. In Washington, South Washington
Cascade Foothills.
* WHEN...From Friday morning through late Sunday night.
* IMPACTS...Heat related illnesses increase significantly during
extreme heat events, especially for those spending time outdoors
or without access to adequate cooling.
The National Weather Service in Portland has issued a Red Flag
Warning for wind and low relative humidity, which is in effect
from 2 PM to 8 PM PDT Thursday. The Fire Weather Watch is no
longer in effect.
* AFFECTED AREA...In Oregon, Fire Weather Zone 685 Southern
Willamette Valley.
* WINDS...North 10 to 15 mph with gusts up to 25 mph.
* RELATIVE HUMIDITY...As low as 15-25 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.
* WHAT...Dangerously hot temperatures near 100 to upwards of 110
degrees.
* WHERE...In California, most of Siskiyou County. In Oregon, Eastern
Curry County and Josephine County, Jackson County, and Siskiyou
Mountains and Southern Oregon Cascades.
* WHEN...From 1 PM Friday to 8 PM PDT Monday.
* IMPACTS...Heat related illnesses increase significantly during
extreme heat events.
* WHAT...Dangerously hot temperatures of 95 to 100 degrees.
* WHERE...Lake County and eastern Klamath County, Northeast Siskiyou
and Northwest Modoc Counties, Modoc County, Central Douglas
County, Eastern Douglas County Foothills, South Central Oregon
Cascades, and Klamath Basin.
* WHEN...From 1 PM Friday to 8 PM PDT Saturday.
* IMPACTS...Hot temperatures may cause heat related illnesses.
* AFFECTED AREA...In Oregon, Fire Weather Zone 685 Southern
Willamette Valley.
* WINDS...North 10 to 15 mph with gusts up to 25 mph.
* RELATIVE HUMIDITY...As low as 15-25 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.
* WHAT...Dangerously hot conditions with temperatures of 95 to 100
degrees F possible. Overnight temperatures will range from 65 to
68 degrees F on Friday night, and up to 70 degrees on Saturday
night.
* WHERE...Western and Central Columbia River Gorge and the Hood
River Valley, and East Portland Metro.
* WHEN...From Friday morning through late Sunday night.
* IMPACTS...Heat related illnesses increase significantly during
extreme heat events, especially for those spending time outdoors
or without access to adequate cooling.
* WHAT...Dangerously hot conditions with temperatures of 95 to 100
degrees F possible. Overnight temperatures will range from 60 to
68 degrees F on Friday night and up to 70 degrees on Saturday
night, warmest for locations north of Salem.
* WHERE...Central and Southern Willamette Valley, Greater Vancouver
Metro, Lower Columbia River and Cowlitz River Valleys, Portland
Metro Hills, Tualatin Valley, Inner Portland Metro, West Columbia
River Gorge of Oregon above 500 ft, and Clackamas County Cascade
Foothills.
* WHEN...From Friday morning through late Sunday night.
* IMPACTS...Heat related illnesses increase significantly during
extreme heat events, especially for those spending time outdoors
or without access to adequate cooling.
* WHAT...Dangerously hot conditions with temperatures of 97 to 100
degrees F possible. Overnight temperatures will range from 65 to
68 degrees F on Friday night, and up to 70 degrees on Saturday
night.
* WHERE...Western and Central Columbia River Gorge and the Hood
River Valley, and East Portland Metro.
* WHEN...From Friday morning through late Saturday night.
* IMPACTS...Heat related illnesses increase significantly during
extreme heat events.
* ADDITIONAL DETAILS...There is around a 15-30% chance of high
temperatures of 100 degrees or more in eastern Multnomah County
(especially around Troutdale), and a 20% chance of temperatures of
100 degrees or more on Saturday in the Upper Hood River Valley.
Increased nighttime temperatures will limit overnight recoveries.
The National Weather Service in Portland has issued a Fire
Weather Watch for wind and low relative humidity, which is in
effect from Thursday afternoon through Thursday evening.
* AFFECTED AREA...In Oregon, Fire Weather Zone 685 Southern
Willamette Valley.
* WINDS...North 10-15 mph with gusts up to 25 mph.
* RELATIVE HUMIDITY...As low as 15-25 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.
* WHAT...Flash flooding caused by excessive rainfall continues to be
possible over burn scars.
* WHERE...Portions of southwest Idaho, including the following
areas, Lower Treasure Valley, Owyhee Mountains, Southwest
Highlands, Upper Weiser River and West Central Mountains and
Oregon, including the following areas, Baker County, Harney
County, Malheur County and Oregon Lower Treasure Valley.
* WHEN...Until 3 AM MDT /2 AM PDT/ Monday.
* IMPACTS...Heavy rainfall could trigger flash flooding or debris
flows in and near recent wildfire burn scars.
* ADDITIONAL DETAILS...
- National Weather Service Meteorologists are forecasting heavy
rainfall over burn scars, which may lead to flash flooding
and debris flows.
- https://www.weather.gov/safety/flood
* WHAT...Flash flooding caused by excessive rainfall continues to be
possible.
* WHERE...Portions of southwest Idaho, including the following
areas, Lower Treasure Valley, Owyhee Mountains, Southwest
Highlands, Upper Weiser River and West Central Mountains and
Oregon, including the following areas, Baker County, Harney
County, Malheur County and Oregon Lower Treasure Valley.
* WHEN...Until midnight MDT /11 PM PDT/ tonight.
* IMPACTS...Heavy rainfall could trigger flash flooding or debris
flows in and near recent wildfire burn scars.
* ADDITIONAL DETAILS...
- National Weather Service Meteorologists are forecasting heavy
rainfall over the burn scar, which may lead to flash flooding
and debris flows.
- https://www.weather.gov/safety/flood
* WHAT...Flash flooding caused by excessive rainfall is possible
over burn scars.
* WHERE...Portions of southwest Idaho, including the following
areas, Lower Treasure Valley, Owyhee Mountains, Southwest
Highlands, Upper Weiser River and West Central Mountains and
Oregon, including the following areas, Baker County, Harney
County, Malheur County and Oregon Lower Treasure Valley.
* WHEN...From this afternoon through this evening.
* IMPACTS...Heavy rainfall could trigger flash flooding or debris
flows in and near recent wildfire burn scars.
* ADDITIONAL DETAILS...
- National Weather Service Meteorologists are forecasting heavy
rainfall over burn scars, which may lead to flash flooding
and debris flows.
- https://www.weather.gov/safety/flood
* WHAT...Flooding caused by excessive rainfall is expected.
* WHERE...A portion of northeast Oregon, including the following
county: Grant.
* WHEN...Until 1100 PM PDT.
* IMPACTS...Minor flooding in low-lying and poor drainage areas,
especially those within the Battle Mountain Complex burn scar.
* ADDITIONAL DETAILS...
- At 806 PM PDT, Doppler radar indicated heavy rain due to
thunderstorms. Minor flooding is ongoing or expected to begin
shortly in the advisory area. Up to 0.5 inches of rain have
fallen.
- Additional rainfall amounts of 0.2 to 0.5 inches are expected
over the area. This additional rain will result in minor
flooding.
- Some locations that will experience flooding include...
mainly rural areas of Northwestern Grant County including the
Battle Mountain Complex burn scar.
- http://www.weather.gov/safety/flood
* WHAT...Flooding caused by excessive rainfall is expected.
* WHERE...A portion of northeast Oregon, including the following
county, Morrow.
* WHEN...Until 945 PM PDT.
* IMPACTS...Minor flooding in low-lying and poor drainage areas.
Water over roadways. Some low-water crossings may become
impassable.
* ADDITIONAL DETAILS...
- At 642 PM PDT, Doppler radar indicated heavy rain due to
thunderstorms over the past hour. Minor flooding is ongoing
or expected to begin shortly in the advisory area. Between
0.5 and 1.5 inches of rain have fallen.
- Some locations that will experience flooding include...
mainly rural areas of Central Morrow County
- http://www.weather.gov/safety/flood
* WHAT...Flooding caused by excessive rainfall is expected.
* WHERE...A portion of central Oregon, including the following
county, Deschutes.
* WHEN...Until 915 PM PDT.
* IMPACTS...Minor flooding in low-lying and poor drainage areas.
Water over roadways.
* ADDITIONAL DETAILS...
- At 613 PM PDT, Doppler radar indicated heavy rain due to
thunderstorms. Minor flooding is ongoing or expected to begin
shortly in the advisory area. Between 0.5 and 1 inch of rain
has fallen.
- Some locations that will experience flooding include...
Bend, Redmond and Tumalo.
- http://www.weather.gov/safety/flood
* WHAT...Flash flooding caused by excessive rainfall continues to be
possible.
* WHERE...Portions of northeast and southeast Oregon, including the
following areas, in northeast Oregon, Baker County. In southeast
Oregon, Harney County, Malheur County and Oregon Lower Treasure
Valley.
* WHEN...Through Sunday evening.
* IMPACTS...Heavy rainfall could trigger flash flooding or debris
flows in and near recent wildfire burn scars.
* ADDITIONAL DETAILS...
- National Weather Service Meteorologists are forecasting heavy
rainfall over burn scars, which may lead to flash flooding
and debris flows. National Weather Service Meteorologists are
forecasting heavy rainfall over burn scars, which may lead to
flash flooding and debris flows.
- https://www.weather.gov/safety/flood
* WHAT...Flash flooding caused by excessive rainfall continues to be
possible.
* WHERE...Portions of southwest Idaho, including the following
areas, Lower Treasure Valley, Upper Weiser River and West Central
Mountains and Oregon, including the following areas, Baker County,
Harney County, Malheur County and Oregon Lower Treasure Valley.
* WHEN...Through this evening.
* IMPACTS...Heavy rainfall could trigger flash flooding or debris
flows in and near recent wildfire burn scars.
* ADDITIONAL DETAILS...
- National Weather Service Meteorologists are forecasting heavy
rainfall over burn scars, which may lead to flash flooding
and debris flows.
- https://www.weather.gov/safety/flood
* WHAT...Flash flooding caused by excessive rainfall continues to be
possible.
* WHERE...Portions of southwest Idaho, including the following
areas, Lower Treasure Valley, Upper Weiser River and West Central
Mountains and Oregon, including the following areas, Baker County,
Harney County, Malheur County and Oregon Lower Treasure Valley.
* WHEN...From noon MDT /11 AM PDT/ today through this evening.
* IMPACTS...Heavy rainfall could trigger flash flooding or debris
flows in and near recent wildfire burn scars.
* ADDITIONAL DETAILS...
- National Weather Service Meteorologists are forecasting heavy
rainfall over burn scars, which may lead to flash flooding
and debris flows.
- https://www.weather.gov/safety/flood
Significant moisture associated with a passing cold front could
lead to periods of heavy rainfall, especially in and around
thunderstorms through the afternoon and evening. This could lead to
flooding in areas surrounding burn scars associated with the 2024
and 2025 fire seasons.
Flash flooding caused by excessive rainfall is possible. Rain rates
of 1 inch per hour possible within thunderstorms.
