NOAA Current Watches-OR

* WHAT...Heavy snow expected above 5000 ft in the Cascades in Klamath and Douglas counties. Total snow accumulations 1 to 2 feet. Winds gusting as high as 45 mph. * WHERE...South Central Oregon Cascades, including Crater Lake National Park, Diamond Lake and Highways 230, 62 and 138 as well as Highway 58 at Willamette Pass. * WHEN...From 2 PM Wednesday to 5 PM PDT Friday. * IMPACTS...Travel could be very difficult to impossible. Gusty winds and heavy snow could bring down tree branches.

* WHAT...Visibility one quarter mile or less in dense fog. * WHERE...North and Central Coast Range Valleys of Oregon, Central Willamette Valley, Tillamook County Coast, Lower Columbia River, Tualatin Valley, Portland West Hills and Chehalem Mountain, Benton County Lowlands, Linn County Lowlands, and Willapa and Wahkiakum Lowlands. * WHEN...Until 11 AM PDT this morning. * IMPACTS...Low visibility could make driving conditions hazardous.

At 224 PM PDT, Doppler radar was tracking a strong thunderstorm over Vancouver Downtown, moving northeast at 30 mph. HAZARD...Wind gusts up to 40 mph. SOURCE...Radar indicated. IMPACT...Gusty winds could knock down tree limbs and blow around unsecured objects. Locations impacted include... Vancouver Downtown, Portland, Vancouver, Walnut Grove, Barberton, Hazel Dell North, Orchards, Five Corners, Hazel Dell South, Lake Shore, Mill Plain, Meadow Glade, Salmon Creek, Jantzen Beach, Brush Prairie, Minnehaha, Vancouver Mall, and Sifton. This includes the following highways in Washington... Interstate 5 between mile markers 1 and 5. Interstate 205 between mile markers 30 and 35. State Route 503 between mile markers 2 and 4.

* WHAT...Southwest winds 20 to 30 mph with gusts up to 50 mph. * WHERE...Central and eastern Lake County and the Warners Mountains in eastern Modoc County. This includes portions of Highway 31 between Summer Lake and Paisley. * WHEN...Until 11 AM PDT this morning. * IMPACTS...Gusty winds will blow around unsecured objects like holiday decorations or empty trash bins. Winds this strong can make driving difficult, especially for high profile vehicles.

* WHAT...Southwest winds 25 to 35 mph with gusts up to 50 mph expected. * WHERE...Central and eastern Lake County and the Warners Mountains in eastern Modoc County. This includes portions of Highway 31 between Summer Lake and Paisley. * WHEN...From 8 PM this evening to 11 AM PDT Sunday. * IMPACTS...Gusty winds will blow around unsecured objects like holiday decorations or empty trash bins. Winds this strong can make driving difficult, especially for high profile vehicles.

* WHAT...Southwest winds 30 to 40 mph with gusts up to 65 mph expected. * WHERE...Central and eastern Lake County, eastern Klamath County. Includes portions of Highway 31 between Summer Lake and Paisley and Highway 299 in Modoc County. * WHEN...From 8 PM this evening to 11 AM PDT Sunday. * IMPACTS...Gusty winds will blow around unsecured objects. Tree limbs could be blown down and a few power outages may result.

* WHAT...South winds 25 to 35 mph with gusts up to 60 mph expected at beaches and headlands. Gusts up to 45 mph for inland communities. * WHERE...Clatsop County and Tillamook County Coast, and South Washington Coast. * WHEN...From 7 PM this evening to 2 AM PDT Saturday. * IMPACTS...Damaging winds will blow down trees and power lines. Widespread power outages are expected. Travel will be difficult, especially for high profile vehicles. * ADDITIONAL DETAILS...This is the first system of the season with winds this strong and could cause power outages and minor damage along the beaches and headlands. Similar systems later in the fall and winter seasons may not be as impactful.

* WHAT...South winds 20 to 30 mph with gusts of 40 to 50 mph expected in the southern Grande Ronde Valley. * WHERE...Southern Grande Ronde Valley. * WHEN...From 7 AM this morning to 9 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...Sub-freezing temperatures of 25 to 29 degrees F expected. * WHERE...Upper Hood River Valley. * WHEN...From 9 PM this evening to 10 AM PDT Friday. * IMPACTS...Frost and freeze conditions could kill crops, other sensitive vegetation and possibly damage unprotected outdoor plumbing.

* WHAT...Temperatures as low as 33 to 36 degrees F will result in frost formation. * WHERE...Central and Southern Willamette Valley, North Oregon Coast Range Lowlands, North Oregon Coast Range, Tualatin Valley, Portland West Hills and Chehalem Mountain, Cowlitz County Lowlands, and South Washington Cascade Foothills. * WHEN...From midnight tonight to 10 AM PDT Friday. * IMPACTS...Frost could harm sensitive outdoor vegetation. Sensitive outdoor plants may be killed if left uncovered.

* WHAT...Sub-freezing temperatures as low as 30 possible. * WHERE...Lower Columbia Basin of Oregon and Washington, Foothills of the Northern Blue Mountains of Oregon, and Foothills of the Blue Mountains of Washington. * WHEN...From this evening through Friday morning. * IMPACTS...Frost and freeze conditions could kill crops, other sensitive vegetation and possibly damage unprotected outdoor plumbing.

* WHAT...Sub-freezing temperatures as low as 30 possible. * WHERE...Lower Columbia Basin of Oregon and Washington, Foothills of the Northern Blue Mountains of Oregon, and Foothills of the Blue Mountains of Washington. * WHEN...From this evening through Friday morning. * IMPACTS...Frost and freeze conditions could kill crops, other sensitive vegetation and possibly damage unprotected outdoor plumbing.

* WHAT...Sub-freezing temperatures as low as 28. * WHERE...In Oregon, North Central Oregon. In Washington, Yakima Valley. * WHEN...Until 10 AM PDT this morning. * IMPACTS...Frost and freeze conditions could kill crops, other sensitive vegetation and possibly damage unprotected outdoor plumbing.

Freezing temperatures are not expected through the remaining of the morning.

* WHAT...For the Dense Fog Advisory, visibility below a quarter of a mile in dense fog. For the Frost Advisory, temperatures as low as 33 will result in areas of frost. * WHERE...South Willamette Valley, and Central Oregon Coast Range Lowlands. * WHEN...For the Dense Fog Advisory, until 11 AM PDT this morning. For the Frost Advisory, until 10 AM PDT this morning. * IMPACTS...Frost could kill sensitive outdoor vegetation if left uncovered. Hazardous driving conditions due to low visibility.

* WHAT...For the Dense Fog Advisory, visibility below a quarter of a mile in dense fog. For the Frost Advisory, temperatures as low as 33 will result in areas of frost. * WHERE...South Willamette Valley, and Central Oregon Coast Range Lowlands. * WHEN...For the Dense Fog Advisory, until 11 AM PDT this morning. For the Frost Advisory, until 10 AM PDT this morning. * IMPACTS...Frost could kill sensitive outdoor vegetation if left uncovered. Hazardous driving conditions due to low visibility.

* WHAT...Temperatures as low as 34 will result in frost formation. * WHERE...Central Willamette Valley, Western Foothills of the Northern and Central Oregon Cascades, North and Central Coast Range of Oregon, North Oregon Coast Range Lowlands, Tualatin Valley, Outer Southeast Portland Metro, Willapa Hills, Cowlitz County Lowlands, North Clark County Lowlands, and South Washington Cascade Foothills. * WHEN...Until 10 AM PDT this morning. * IMPACTS...Frost could kill sensitive outdoor vegetation if left uncovered.

* WHAT...Freezing temperatures as low as 29. * WHERE...Upper Hood River Valley. * WHEN...Until 10 AM PDT this morning. * IMPACTS...Frost and freeze conditions will kill crops, other sensitive vegetation and possibly damage unprotected outdoor plumbing.

* WHAT...Sub-freezing temperatures as low as 28 possible. * WHERE...Foothills of the Northern Blue Mountains of Oregon. * WHEN...From this evening through Friday morning. * IMPACTS...Frost and freeze conditions could kill crops, other sensitive vegetation and possibly damage unprotected outdoor plumbing. * ADDITIONAL DETAILS...The freeze warning for this morning has been cancelled as cloud cover has kept temperatures too warm overnight to reach freezing.

* WHAT...Sub-freezing temperatures as low as 30 possible. * WHERE...Lower Columbia Basin of Oregon and Washington, and Foothills of the Blue Mountains of Washington. * WHEN...From this evening through Friday morning. * IMPACTS...Frost and freeze conditions could kill crops, other sensitive vegetation and possibly damage unprotected outdoor plumbing.