Weather Forecast for Leavenworth

* WHAT...Stagnant conditions will have potential to trap pollutants near the ground with deteriorated air quality. * WHERE...Portions of North and North Central Idaho and North Central, Northeast, and Southeast Washington. * WHEN...Until noon PST Thursday. * IMPACTS...Periods of air stagnation can lead to the buildup of pollutants near the surface.

Buildup of fine pollution particles can be harmful to those sensitive to air pollution including people with lung and heart problems, people with diabetes, children and the elderly.

* WHAT...Mixed precipitation expected. Total snow accumulations up to 2 inches and ice accumulations between a light glaze and one tenth of an inch. * WHERE...Stevens Pass, Plain, Holden Village, Leavenworth, and Stehekin. * WHEN...From 4 PM Thursday to 1 PM PST Friday. * IMPACTS...Plan on slippery road conditions. Freezing rain may lead to very slick conditions on untreated roads and surfaces.

Slow down and use caution while traveling. For the latest travel information in Washington, go to https://wsdot.wa.gov/travel

* WHAT...Stagnant conditions will have the potential to trap pollutants near the ground and deteriorate air quality. * WHERE...Foothills of the Blue Mountains of Oregon and Washington, Lower Columbia Basin of Oregon and Washington, North Central Oregon, Central Oregon, Kittitas Valley, and Yakima Valley. * WHEN...Until noon PST Thursday. * IMPACTS...Periods of air stagnation can lead to the buildup of pollutants near the surface, potentially leading to poor air quality.

An Air Stagnation Advisory indicates that due to limited movement of an air mass across the advisory area, pollution has the potential to increase to dangerous levels. Persons with respiratory illness should follow their physicians advice for dealing with high levels of air pollution during periods of stagnant air, state air quality agencies highly recommend that no outdoor burning occur and that residential wood burning devices be limited as much as possible. According to state air quality agencies, prolonged periods of stagnant air can hold pollutants close to the ground, where people live and breathe. Check with your local burn agency for any current restrictions in your area.

* WHAT...Mixed precipitation expected. Ice accumulations around one tenth of an inch. * WHERE...Portions of central, south central, and southeast Washington. * WHEN...From 4 AM Thursday to 5 AM PST Friday. * IMPACTS...Plan on slippery road conditions. The hazardous conditions could impact the Thursday morning and evening commutes.

Slow down and use caution while traveling. The latest road conditions can be obtained by visiting the website wsdot.wa.gov/travel.

* WHAT...Mixed precipitation of freezing rain, rain, and snow expected. Total snow accumulations up to one half inch and ice accumulations around one tenth of an inch. * WHERE...Harrington, Odessa, Creston, Grand Coulee, Coulee City, Ephrata, Ritzville, Wilbur, Moses Lake, Othello, and Quincy. * WHEN...From 2 PM Thursday to 4 AM PST Friday. * IMPACTS...Plan on slippery road conditions. Freezing rain may lead to very slick conditions on untreated roads and surfaces.

Slow down and use caution while traveling. For the latest travel information in Washington, go to https://wsdot.wa.gov/travel

Areas of dense fog will produce localized visibilities of a quarter mile or less along Interstate 90 between Moses Lake and Ritzville, SR-17 from Othello to Moses Lake, US-395 from Connell to Ritzville, and SR-26 between Royal City and Dusty. If driving, slow down, use your headlights, and leave plenty of distance ahead of you.

* WHAT...Mixed precipitation of freezing rain, rain, and snow expected. Total snow accumulations up to one half inch and ice accumulations around one tenth of an inch. * WHERE...Quincy, Grand Coulee, Coulee City, Harrington, Ephrata, Moses Lake, Wilbur, Creston, Ritzville, Odessa, and Othello. * WHEN...From 2 PM Thursday to 4 AM PST Friday. * IMPACTS...Plan on slippery road conditions. Freezing rain may lead to very slick conditions on untreated roads and surfaces.

Slow down and use caution while traveling. For the latest travel information in Washington, go to https://wsdot.wa.gov/travel