Aggregator

* WHAT...Sub-freezing temperatures as low as 31 expected. * WHERE...In California, portions of central and western Siskiyou County, including the Shasta and Scott Valleys. In Oregon, portions of Josephine and Jackson Counties, including the Illinois and Applegate Valleys and the outskirts of Jackson County. * WHEN...Until 10 AM PDT this morning. * IMPACTS...Frost and freeze conditions could kill crops, other sensitive vegetation and possibly damage unprotected outdoor plumbing. Pets and animals may need to be sheltered.

* WHAT...Northwest winds 25 to 35 mph with gusts up to 45 mph. * WHERE...Kittitas Valley. * WHEN...Until 11 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...Temperatures as cold as the lower to mid 30s will result in frost formation. * WHERE...Central Willamette Valley, South Willamette Valley, Western Foothills of the Northern and Central Oregon Cascades, North and Central Coast Range Valleys of Oregon, Tualatin Valley, Upper Hood River Valley, North Clark County Lowlands, and South Washington Cascade Foothills. * WHEN...From midnight tonight to 8 AM PDT Wednesday. * IMPACTS...Frost could kill sensitive outdoor vegetation if left uncovered. * ADDITIONAL DETAILS...Frost will be most likely for outlying valley locations, away from urban areas. Patchy frost may affect suburban areas as well.

* WHAT...Temperatures as cold as the lower to mid 30s will result in frost formation. * WHERE...Central Willamette Valley, South Willamette Valley, Western Foothills of the Northern and Central Oregon Cascades, North and Central Coast Range Valleys of Oregon, Tualatin Valley, Upper Hood River Valley, North Clark County Lowlands, and South Washington Cascade Foothills. * WHEN...From midnight tonight to 8 AM PDT Wednesday. * IMPACTS...Frost could kill sensitive outdoor vegetation if left uncovered. * ADDITIONAL DETAILS...Frost will be most likely for outlying valley locations, away from urban areas. Patchy frost may affect suburban areas as well.

* WHAT...Sub-freezing temperatures as low as 31 expected. * WHERE...In California, portions of central and western Siskiyou County, including the Shasta and Scott Valleys. In Oregon, portions of Josephine and Jackson Counties, including the Illinois and Applegate Valleys and the outskirts of Jackson County. * WHEN...From 2 AM to 10 AM PDT Wednesday. * IMPACTS...Frost and freeze conditions could kill crops, other sensitive vegetation and possibly damage unprotected outdoor plumbing. Pets and animals may need to be sheltered.

* WHAT...Northwest winds 25 to 35 mph with gusts up to 50 mph expected. * WHERE...Kittitas Valley. * WHEN...Until 11 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...Snow above 4500 feet. Additional snow accumulations of up to 3 inches. * WHERE...In Oregon, Northern Blue Mountains of Oregon and East Slopes of the Oregon Cascades. In Washington, Northwest Blue Mountains. * WHEN...Until noon PDT today. * IMPACTS...Plan on slippery road conditions. The hazardous conditions could impact the morning commute.

* WHAT...Snow above 4500 feet. Additional snow accumulations of up to 3 inches. * WHERE...In Oregon, Northern Blue Mountains of Oregon and East Slopes of the Oregon Cascades. In Washington, Northwest Blue Mountains. * WHEN...Until noon PDT today. * IMPACTS...Plan on slippery road conditions. The hazardous conditions could impact the morning commute.

* WHAT...Temperatures as cold as the lower to mid 30s will result in frost formation. * WHERE...Central Willamette Valley, South Willamette Valley, Western Foothills of the Northern and Central Oregon Cascades, North and Central Coast Range Valleys of Oregon, Tualatin Valley, Upper Hood River Valley, North Clark County Lowlands, and South Washington Cascade Foothills. * WHEN...From midnight tonight to 8 AM PDT Wednesday. * IMPACTS...Frost could kill sensitive outdoor vegetation if left uncovered. * ADDITIONAL DETAILS...Frost will be most likely for outlying valley locations, away from urban areas. Patchy frost may affect suburban areas as well.

* WHAT...Temperatures as cold as the lower to mid 30s will result in frost formation. * WHERE...Central Willamette Valley, South Willamette Valley, Western Foothills of the Northern and Central Oregon Cascades, North and Central Coast Range Valleys of Oregon, Tualatin Valley, Upper Hood River Valley, North Clark County Lowlands, and South Washington Cascade Foothills. * WHEN...From midnight tonight to 8 AM PDT Wednesday. * IMPACTS...Frost could kill sensitive outdoor vegetation if left uncovered. * ADDITIONAL DETAILS...Frost will be most likely for outlying valley locations, away from urban areas. Patchy frost may affect suburban areas as well.

* WHAT...Snow above 4500 feet. Additional snow accumulations of 3 to 5 inches. Winds gusting as high as 40 mph. * WHERE...In Oregon, Northern Blue Mountains of Oregon. In Washington, Northwest Blue Mountains. * WHEN...Until 5 AM PDT Tuesday. * IMPACTS...Plan on slippery road conditions. Gusty winds could bring down tree branches. * ADDITIONAL DETAILS...Snow showers will continue through the evening hours with heavy snow at times.

* WHAT...Snow above 4500 feet. Additional snow accumulations of 2 to 5 inches. Winds gusting as high as 40 mph. * WHERE...East Slopes of the Oregon Cascades. * WHEN...Until 5 AM PDT Tuesday. * IMPACTS...Travel could be very difficult. * ADDITIONAL DETAILS...Snow showers will continue through the evening hours with brief heavy snow at times.

* WHAT...Snow above 4500 feet. Additional snow accumulations of 3 to 5 inches. Winds gusting as high as 40 mph. * WHERE...In Oregon, Northern Blue Mountains of Oregon. In Washington, Northwest Blue Mountains. * WHEN...Until 5 AM PDT Tuesday. * IMPACTS...Plan on slippery road conditions. Gusty winds could bring down tree branches. * ADDITIONAL DETAILS...Snow showers will continue through the evening hours with heavy snow at times.

* WHAT...Northwest winds 25 to 35 mph with gusts up to 50 mph expected. * WHERE...Kittitas Valley. * WHEN...From 8 AM to 11 PM PDT Tuesday. * IMPACTS...Gusty winds will blow around unsecured objects. Tree limbs could be blown down and a few power outages may result.

At 245 PM PDT, Doppler radar was tracking a strong thunderstorm 7 miles north of Pasco, moving northeast at 35 mph. HAZARD...Pea size hail. SOURCE...Radar indicated. IMPACT...Minor hail damage to vegetation is possible. Locations impacted include... Pasco and Eltopia.

At 242 PM PDT, Doppler radar was tracking a strong thunderstorm near Helix, or 17 miles north of Pendleton, moving northeast at 20 mph. HAZARD...Pea size hail. SOURCE...Radar indicated. IMPACT...Minor hail damage to vegetation is possible. Locations impacted include... Helix and Umapine.

* WHAT...Snow above 4000 feet. Additional snow accumulations of 2 to 10 inches. Winds gusting as high as 35 mph. * WHERE...West Slopes of the Northern and Central Oregon Cascades. * WHEN...Until 8 AM PDT Tuesday. * IMPACTS...Travel could be very difficult. Patchy blowing snow could significantly reduce visibility. * ADDITIONAL DETAILS...Snow will be showery in nature with highest accumulations above 5000 feet along the volcanos.

* WHAT...Snow above 4500 feet. Additional snow accumulations of 2 to 5 inches. Winds gusting as high as 45 mph. * WHERE...In Oregon, Northern Blue Mountains of Oregon. In Washington, Northwest Blue Mountains. * WHEN...Until 5 AM PDT Tuesday. * IMPACTS...Plan on slippery road conditions. Gusty winds could bring down tree branches. * ADDITIONAL DETAILS...Snow showers will continue through the evening hours with heavy snow at times.

* WHAT...Snow above 4500 feet. Additional snow accumulations of 2 to 5 inches. Winds gusting as high as 45 mph. * WHERE...In Oregon, Northern Blue Mountains of Oregon. In Washington, Northwest Blue Mountains. * WHEN...Until 5 AM PDT Tuesday. * IMPACTS...Plan on slippery road conditions. Gusty winds could bring down tree branches. * ADDITIONAL DETAILS...Snow showers will continue through the evening hours with heavy snow at times.

* WHAT...Snow above 4500 feet. Additional snow accumulations of 3 to 7 inches mainly impacting the crest of the Cascades and pass areas. Winds gusting as high as 45 mph. * WHERE...East Slopes of the Oregon Cascades. * WHEN...Until 11 PM PDT this evening. * IMPACTS...Travel could be very difficult. * ADDITIONAL DETAILS...Snow showers will continue through the evening hours with brief heavy snow at times.