Aggregator

* WHAT...Very cold temperatures as low as 25 below zero in the higher Idaho basins, 15 below in eastern Oregon, 5 below zero in the Idaho valleys. Wednesday morning will be the coldest period. * WHERE...Portions of south central, southwest, and west central Idaho and southeast Oregon. * WHEN...Until 10 AM MST Thursday. * IMPACTS...Frostbite and hypothermia will occur if unprotected skin is exposed to these temperatures. Very cold temperatures can lead to hypothermia with prolonged exposure.

* WHAT...Very cold temperatures as low as 15 below zero. Wednesday morning will be the coldest period. * WHERE...Baker County, Harney County, and Malheur County. * WHEN...Until 9 AM PST /10 AM MST/ Thursday. * IMPACTS...Frostbite and hypothermia will occur if unprotected skin is exposed to these temperatures. Very cold temperatures can lead to hypothermia with prolonged exposure.

* WHAT...Snow and Blowing Snow expected. Total snow accumulations between 3 and 6 inches possible in the Treasure and Magic Valleys and 6 to 12 inches possible in the mountains and across northern Malheur and Harney Counties. Winds could gust as high as 35 mph causing areas of blowing and drifting snow. * WHERE...Portions of south central, southwest, and west central Idaho and northeast and southeast Oregon. * WHEN...From 5 AM MST /4 AM PST/ Thursday to 11 AM MST /10 AM PST/ Friday. * IMPACTS...Roads, and especially bridges and overpasses, will likely become slick and hazardous. Visibilities may drop below 1/4 mile due to falling and blowing snow. The hazardous conditions could impact the Thursday morning and evening commutes. Travel not advised.

* WHAT...For the Cold Weather Advisories, cold wind chills ("feels like") as low as 10 to 20 degrees fahrenheit expected. For the Wind Advisory, east winds 25 to 35 mph with gusts up to 55 mph expected. * WHERE...Eastern Portland/Vancouver Metro Near The Gorge. * WHEN...For the first Cold Weather Advisory, until noon PST Wednesday. For the Wind Advisory, from 4 PM Wednesday to 10 PM PST Thursday. For the second Cold Weather Advisory, from 7 PM Wednesday to noon PST Thursday. * IMPACTS...Gusty winds will blow around unsecured objects. Tree limbs could be blown down and a few power outages may result. Frostbite and hypothermia will occur if unprotected skin is exposed to these temperatures. Very cold temperatures can lead to hypothermia with prolonged exposure. Wind chill values can lead to hypothermia with prolonged exposure.

* WHAT...For the Cold Weather Advisories, cold wind chills ("feels like") as low as 10 to 20 degrees fahrenheit expected. For the Wind Advisory, east winds 25 to 35 mph with gusts up to 55 mph expected. * WHERE...Eastern Portland/Vancouver Metro Near The Gorge. * WHEN...For the first Cold Weather Advisory, until noon PST Wednesday. For the Wind Advisory, from 4 PM Wednesday to 10 PM PST Thursday. For the second Cold Weather Advisory, from 7 PM Wednesday to noon PST Thursday. * IMPACTS...Gusty winds will blow around unsecured objects. Tree limbs could be blown down and a few power outages may result. Frostbite and hypothermia will occur if unprotected skin is exposed to these temperatures. Very cold temperatures can lead to hypothermia with prolonged exposure. Wind chill values can lead to hypothermia with prolonged exposure.

* WHAT...Cold wind chills ("feels like") as low as 10 to 20 degrees fahrenheit expected. * WHERE...Northern and Central Cascades and Foothills in Oregon, Central and Southern Willamette Valley, South Washington and North and Central Oregon Coast, Northern and Central Coast Range Valleys and Mountains of Oregon, Willapa Hills and Adjacent River Valleys of Pacific and Wahkiakum Counties, Lower Columbia River and Cowlitz River Valleys, Portland Metro Hills, South Washington Cascades and Foothills, Tualatin Valley, Inner Portland Metro, North Clark County Lowlands, and Inner Vancouver Metro. * WHEN...For the first Cold Weather Advisory, until noon PST Wednesday. For the second Cold Weather Advisory, from 7 PM Wednesday to noon PST Thursday. * IMPACTS...Frostbite and hypothermia will occur if unprotected skin is exposed to these temperatures. Very cold temperatures can lead to hypothermia with prolonged exposure. Wind chill values can lead to hypothermia with prolonged exposure.

* WHAT...Dangerously cold wind chills ("feels like") as low as zero degrees fahrenheit expected. * WHERE...Western and Central Columbia River Gorge, the Corbett area and the Hood River Valley. * WHEN...For the first Extreme Cold Warning, until noon PST Wednesday. For the second Extreme Cold Warning, from 7 PM Wednesday to noon PST Thursday. * IMPACTS...Frostbite and hypothermia will occur if unprotected skin is exposed to these temperatures. Very cold temperatures can lead to hypothermia with prolonged exposure.

* WHAT...Cold wind chills ("feels like") as low as 10 to 20 degrees fahrenheit expected. * WHERE...Northern and Central Cascades and Foothills in Oregon, Central and Southern Willamette Valley, South Washington and North and Central Oregon Coast, Northern and Central Coast Range Valleys and Mountains of Oregon, Willapa Hills and Adjacent River Valleys of Pacific and Wahkiakum Counties, Lower Columbia River and Cowlitz River Valleys, Portland Metro Hills, South Washington Cascades and Foothills, Tualatin Valley, Inner Portland Metro, North Clark County Lowlands, and Inner Vancouver Metro. * WHEN...For the first Cold Weather Advisory, until noon PST Wednesday. For the second Cold Weather Advisory, from 7 PM Wednesday to noon PST Thursday. * IMPACTS...Frostbite and hypothermia will occur if unprotected skin is exposed to these temperatures. Very cold temperatures can lead to hypothermia with prolonged exposure. Wind chill values can lead to hypothermia with prolonged exposure.

* WHAT...For the Cold Weather Advisories, cold wind chills ("feels like") as low as 10 to 20 degrees fahrenheit expected. For the Wind Advisory, east winds 25 to 35 mph with gusts up to 55 mph expected. * WHERE...Eastern Portland/Vancouver Metro Near The Gorge. * WHEN...For the first Cold Weather Advisory, until noon PST Wednesday. For the Wind Advisory, from 4 PM Wednesday to 10 PM PST Thursday. For the second Cold Weather Advisory, from 7 PM Wednesday to noon PST Thursday. * IMPACTS...Gusty winds will blow around unsecured objects. Tree limbs could be blown down and a few power outages may result. Frostbite and hypothermia will occur if unprotected skin is exposed to these temperatures. Very cold temperatures can lead to hypothermia with prolonged exposure. Wind chill values can lead to hypothermia with prolonged exposure.

* WHAT...Dangerously cold wind chills ("feels like") as low as zero degrees fahrenheit expected. * WHERE...Western and Central Columbia River Gorge, the Corbett area and the Hood River Valley. * WHEN...For the first Extreme Cold Warning, until noon PST Wednesday. For the second Extreme Cold Warning, from 7 PM Wednesday to noon PST Thursday. * IMPACTS...Frostbite and hypothermia will occur if unprotected skin is exposed to these temperatures. Very cold temperatures can lead to hypothermia with prolonged exposure.

* WHAT...For the Cold Weather Advisories, cold wind chills ("feels like") as low as 10 to 20 degrees fahrenheit expected. For the Wind Advisory, east winds 25 to 35 mph with gusts up to 55 mph expected. * WHERE...Eastern Portland/Vancouver Metro Near The Gorge. * WHEN...For the first Cold Weather Advisory, until noon PST Wednesday. For the Wind Advisory, from 4 PM Wednesday to 10 PM PST Thursday. For the second Cold Weather Advisory, from 7 PM Wednesday to noon PST Thursday. * IMPACTS...Gusty winds will blow around unsecured objects. Tree limbs could be blown down and a few power outages may result. Frostbite and hypothermia will occur if unprotected skin is exposed to these temperatures. Very cold temperatures can lead to hypothermia with prolonged exposure. Wind chill values can lead to hypothermia with prolonged exposure.

* WHAT...For the Cold Weather Advisories, cold wind chills ("feels like") as low as 10 to 20 degrees fahrenheit expected. For the Wind Advisory, east winds 25 to 35 mph with gusts up to 55 mph expected. * WHERE...Eastern Portland/Vancouver Metro Near The Gorge. * WHEN...For the first Cold Weather Advisory, until noon PST Wednesday. For the Wind Advisory, from 4 PM Wednesday to 10 PM PST Thursday. For the second Cold Weather Advisory, from 7 PM Wednesday to noon PST Thursday. * IMPACTS...Gusty winds will blow around unsecured objects. Tree limbs could be blown down and a few power outages may result. Frostbite and hypothermia will occur if unprotected skin is exposed to these temperatures. Very cold temperatures can lead to hypothermia with prolonged exposure. Wind chill values can lead to hypothermia with prolonged exposure.

* WHAT...Cold wind chills ("feels like") as low as 10 to 20 degrees fahrenheit expected. * WHERE...Northern and Central Cascades and Foothills in Oregon, Central and Southern Willamette Valley, South Washington and North and Central Oregon Coast, Northern and Central Coast Range Valleys and Mountains of Oregon, Willapa Hills and Adjacent River Valleys of Pacific and Wahkiakum Counties, Lower Columbia River and Cowlitz River Valleys, Portland Metro Hills, South Washington Cascades and Foothills, Tualatin Valley, Inner Portland Metro, North Clark County Lowlands, and Inner Vancouver Metro. * WHEN...For the first Cold Weather Advisory, until noon PST Wednesday. For the second Cold Weather Advisory, from 7 PM Wednesday to noon PST Thursday. * IMPACTS...Frostbite and hypothermia will occur if unprotected skin is exposed to these temperatures. Very cold temperatures can lead to hypothermia with prolonged exposure. Wind chill values can lead to hypothermia with prolonged exposure.

* WHAT...Dangerously cold wind chills ("feels like") as low as zero degrees fahrenheit expected. * WHERE...Western and Central Columbia River Gorge, the Corbett area and the Hood River Valley. * WHEN...For the first Extreme Cold Warning, until noon PST Wednesday. For the second Extreme Cold Warning, from 7 PM Wednesday to noon PST Thursday. * IMPACTS...Frostbite and hypothermia will occur if unprotected skin is exposed to these temperatures. Very cold temperatures can lead to hypothermia with prolonged exposure.

* WHAT...Cold wind chills ("feels like") as low as 10 to 20 degrees fahrenheit expected. * WHERE...Northern and Central Cascades and Foothills in Oregon, Central and Southern Willamette Valley, South Washington and North and Central Oregon Coast, Northern and Central Coast Range Valleys and Mountains of Oregon, Willapa Hills and Adjacent River Valleys of Pacific and Wahkiakum Counties, Lower Columbia River and Cowlitz River Valleys, Portland Metro Hills, South Washington Cascades and Foothills, Tualatin Valley, Inner Portland Metro, North Clark County Lowlands, and Inner Vancouver Metro. * WHEN...For the first Cold Weather Advisory, until noon PST Wednesday. For the second Cold Weather Advisory, from 7 PM Wednesday to noon PST Thursday. * IMPACTS...Frostbite and hypothermia will occur if unprotected skin is exposed to these temperatures. Very cold temperatures can lead to hypothermia with prolonged exposure. Wind chill values can lead to hypothermia with prolonged exposure.

* WHAT...For the Cold Weather Advisories, cold wind chills ("feels like") as low as 10 to 20 degrees fahrenheit expected. For the Wind Advisory, east winds 25 to 35 mph with gusts up to 55 mph expected. * WHERE...Eastern Portland/Vancouver Metro Near The Gorge. * WHEN...For the first Cold Weather Advisory, until noon PST Wednesday. For the Wind Advisory, from 4 PM Wednesday to 10 PM PST Thursday. For the second Cold Weather Advisory, from 7 PM Wednesday to noon PST Thursday. * IMPACTS...Gusty winds will blow around unsecured objects. Tree limbs could be blown down and a few power outages may result. Frostbite and hypothermia will occur if unprotected skin is exposed to these temperatures. Very cold temperatures can lead to hypothermia with prolonged exposure. Wind chill values can lead to hypothermia with prolonged exposure.

* WHAT...Dangerously cold wind chills ("feels like") as low as zero degrees fahrenheit expected. * WHERE...Western and Central Columbia River Gorge, the Corbett area and the Hood River Valley. * WHEN...For the first Extreme Cold Warning, until noon PST Wednesday. For the second Extreme Cold Warning, from 7 PM Wednesday to noon PST Thursday. * IMPACTS...Frostbite and hypothermia will occur if unprotected skin is exposed to these temperatures. Very cold temperatures can lead to hypothermia with prolonged exposure.

* WHAT...Snow expected. Total snow accumulations between 6 and 12 inches. Winds gusting as high as 55 mph. * WHERE...The southern Oregon Cascades and Siskiyou Mountains. This includes areas from Lake of the Woods northward and higher portions of the Siskiyou Mountains west of Interstate 5, including the Mount Ashland Ski road, including portions of Highways 230, 62 and 140. * WHEN...From 1 AM Thursday to 1 PM PST Friday. * IMPACTS...Travel could be very difficult to impossible. The hazardous conditions could impact the Thursday morning and evening commutes. Gusty winds could bring down tree branches. * ADDITIONAL DETAILS...Heaviest snowfall accumulations are expected near Diamond Lake and Crater Lake, especially Thursday morning and again Thursday evening through Friday morning.

* WHAT...Snow expected. Total snow accumulations between 3 and 5 inches. Winds gusting as high as 45 mph. * WHERE...Klamath County and Western Lake County, including areas from Modoc Point northward and areas east of Klamath Falls. This includes the communities of Chemult, Chiloquin, Beatty, and Bly. This also includes portions of Highway 97, 140, 66, and 31. * WHEN...From 1 AM to 2 PM PST Thursday. * IMPACTS...Plan on slippery road conditions. The hazardous conditions could impact the Thursday morning commute. * ADDITIONAL DETAILS...Snow levels will rise from valley floors early Thursday to around 4500 feet Thursday afternoon. Moderate snow is likely in the morning on Thursday, then expect some continued snow across higher terrain in the afternoon. Then, light snow showers are expected Thursday night and Friday with snow levels between 4000 and 5000 feet.

* WHAT...Wet snow expected above 1500 feet. Total snow accumulations up to one inch. Winds gusting as high as 20 mph in valleys and 40 mph over mountains. Lighter snow of a half inch or less is possible for elevations below 1500 feet elevation. * WHERE...This includes portions of the Illinois Valley, lower passes along Interstate 5 north of Grants pass and mountains in Josephine and eastern Curry counties. * WHEN...From 10 PM this evening to 8 AM PST Thursday. * IMPACTS...Plan on slippery road conditions. The hazardous conditions could impact the Thursday morning commute. * ADDITIONAL DETAILS...Snow levels are expected to start out around 1000 feet tonight then rise early Thursday morning to around 1500 to 2500 feet, before rising higher to 4000 feet late Thursday morning. A period of light to moderate snow is expected, then transitioning to rain for most areas by late Thursday morning. As snow transitions to rain, there may be a brief period of wintry mix with ice pellets.