Alert archive / Idaho / Winter Storm Watches in 2021
Winter Storm Watch 9, NWS Spokane, WA
NWS Spokane, WA issued this winter storm watch at Dec 17, 2021, 1:53 PM PST for 5 counties in Washington; 6 counties in Idaho. It took effect at Dec 18, 2021, 10:00 AM PST. It was in force for .
The area
The counties it named.
The facts
- Issued
- Dec 17, 2021, 1:53 PM PST (21:53 UTC)
- In effect from
- Dec 18, 2021, 10:00 AM PST
- Expired
- Dec 18, 2021, 2:32 AM PST
- In force
- Issued by
- NWS Spokane, WA
Counties Benewah County, ID, Bonner County, ID, Boundary County, ID, Kootenai County, ID, Latah County, ID, Shoshone County, ID, Asotin County, WA, Garfield County, WA, Pend Oreille County, WA, Spokane County, WA, Stevens County, WA
The radar
The Spokane radar (KOTX), 53 km from the middle of the area, began a volume at 21:56 UTC, the scan nearest the moment this went out.
Open the radar archive at this moment
The archived warnings, watches and discussions in force at that minute are drawn over the scan, this one among them.
The nearest sounding before it
Spokane, WA (KOTX), launched 12:00Z, 9.9 hours before the alert went out and 43 km from the middle of its area. This is the routine balloon launch nearest before it, the air the forecaster had in hand, not a measurement taken for the alert.
- Mixed-layer CAPE
- 0 J/kg
- Mixed-layer CIN
- No buoyant parcel
- Mixed-layer LCL
- 1677 m above ground
- 0-6 km bulk shear
- 79 kt
- 0-1 km storm-relative helicity
- 66 m²/s²
- 0-3 km storm-relative helicity
- 269 m²/s²
- Significant tornado parameter
- 0.0
- Supercell composite
- 0.0
The text
As transmitted.
824 WWUS46 KOTX 172153 WSWOTX URGENT - WINTER WEATHER MESSAGE National Weather Service Spokane WA 153 PM PST Fri Dec 17 2021 ...HEAVY SNOW POSSIBLE TONIGHT THROUGH THE WEEKEND FOR THE INLAND NORTHWEST... .A winter storm will spread snow into the Cascades Friday night with snow becoming heavy Saturday morning through Saturday night. Travel will be difficult over Stevens Pass with this winter storm. Snow is expected to decrease by late Sunday morning. Snow will spread east impacting eastern Washington and northern Idaho including the Spokane to Coeur d'Alene metro areas. Heavy snow will persist in the Idaho Panhandle mountains into early next week. WAZ048-181515- /O.UPG.KOTX.WS.A.0008.211218T0600Z-211219T1800Z/ /O.NEW.KOTX.WS.W.0013.211218T0600Z-211219T1200Z/ Western Chelan County- Including the cities of Holden Village and Stevens Pass 153 PM PST Fri Dec 17 2021 ...WINTER STORM WARNING IN EFFECT FROM 10 PM THIS EVENING TO 4 AM PST SUNDAY... * WHAT...Heavy snow possible. Total snow accumulations between 15 and 25 inches possible. * WHERE...Holden Village and Stevens Pass. * WHEN...From 10 PM this evening to 4 AM PST Sunday. * IMPACTS...Travel could be very difficult to impossible. * ADDITIONAL DETAILS...Slow down and use caution while traveling. The latest road conditions can be obtained by calling 5 1 1. PRECAUTIONARY/PREPAREDNESS ACTIONS... If you must travel, keep an extra flashlight, food, and water in your vehicle in case of an emergency. The latest road conditions for the state you are calling from can be obtained by calling 5 1 1. && $$ IDZ002-WAZ036-181515- /O.NEW.KOTX.WW.Y.0043.211218T0900Z-211219T0200Z/ Coeur d'Alene Area-Spokane Area- Including the cities of Rockford, Spokane Valley, Worley, Coeur d'Alene, Cheney, Fairfield, Hayden, Post Falls, Airway Heights, Downtown Spokane, and Davenport 153 PM PST Fri Dec 17 2021 ...WINTER WEATHER ADVISORY IN EFFECT FROM 1 AM TO 6 PM PST SATURDAY... * WHAT...Snow expected. Total snow accumulations 1 to 4 inches. * WHERE...Rockford, Spokane Valley, Worley, Coeur d'Alene, Cheney, Fairfield, Hayden, Post Falls, Airway Heights, Downtown Spokane, and Davenport. * WHEN...From 1 AM to 6 PM PST Saturday. * IMPACTS...Plan on slippery road conditions. Additional snow on roadways may cause difficult driving conditions. PRECAUTIONARY/PREPAREDNESS ACTIONS... Slow down and use caution while traveling. The latest road conditions for the state you are calling from can be obtained by calling 5 1 1. && $$ IDZ001-181515- /O.NEW.KOTX.WS.A.0009.211219T0000Z-211219T1200Z/ Northern Panhandle- Including the cities of Eastport, Sandpoint, Bonners Ferry, Athol, Schweitzer Mountain Road, and Priest River 153 PM PST Fri Dec 17 2021 ...WINTER STORM WATCH IN EFFECT FROM SATURDAY AFTERNOON THROUGH LATE SATURDAY NIGHT... * WHAT...Heavy snow possible. Total snow accumulations between 4 and 8 inches in the valleys and 12 to 18 inches in the mountains possible. Winds could gust as high as 35 mph. * WHERE...Eastport, Sandpoint, Bonners Ferry, Athol, Schweitzer Mountain Road, and Priest River. * WHEN...From Saturday afternoon through late Saturday night. * IMPACTS...Travel could be very difficult. PRECAUTIONARY/PREPAREDNESS ACTIONS... Monitor the latest forecasts for updates on this situation. && $$ IDZ003-004-WAZ031-181515- /O.NEW.KOTX.WS.A.0009.211219T1200Z-211221T0600Z/ Idaho Palouse-Central Panhandle Mountains-Northeast Blue Mountains- Including the cities of Potlatch, Dobson Pass, Plummer, Wallace, Fourth Of July Pass, Anatone, Moscow, Osburn, Peola, Genesee, Mountain Road, Kellogg, St. Maries, Cloverland Road, Fernwood, Lookout Pass, Mullan, and Pinehurst 153 PM PST Fri Dec 17 2021 ...WINTER STORM WATCH IN EFFECT FROM LATE SATURDAY NIGHT THROUGH MONDAY EVENING... * WHAT...Heavy snow possible. Total snow accumulations between 3 and 10 inches in the Silver Valley and 8 to 12 inches in the central Idaho mountains. For the Idaho Palouse 4 to 8 inches are possible. For the northeast Blue mountains 5 to 10 inches. * WHERE...Potlatch, Dobson Pass, Plummer, Wallace, Fourth Of July Pass, Anatone, Moscow, Osburn, Peola, Genesee, Mountain Road, Kellogg, St. Maries, Cloverland Road, Fernwood, Lookout Pass, Mullan, and Pinehurst. * WHEN...From late Saturday night through Monday evening. * IMPACTS...Travel could be very difficult to impossible. The hazardous conditions could impact the Monday morning and evening commutes. PRECAUTIONARY/PREPAREDNESS ACTIONS... Monitor the latest forecasts for updates on this situation. && $$ OTX
3 follow-up statements
227 WWUS46 KOTX 172201 WSWOTX URGENT - WINTER WEATHER MESSAGE National Weather Service Spokane WA 201 PM PST Fri Dec 17 2021 ...HEAVY SNOW POSSIBLE TONIGHT THROUGH THE WEEKEND FOR THE INLAND NORTHWEST... .A winter storm will spread snow into the Cascades Friday night with snow becoming heavy Saturday morning through Saturday night. Travel will be difficult over Stevens Pass with this winter storm. Snow is expected to decrease by late Sunday morning. Snow will spread east impacting eastern Washington and northern Idaho including the Spokane to Coeur d'Alene metro areas. Heavy snow will persist in the Idaho Panhandle mountains into early next week. WAZ048-181515- /O.CON.KOTX.WS.W.0013.211218T0600Z-211219T1200Z/ Western Chelan County- Including the cities of Holden Village and Stevens Pass 201 PM PST Fri Dec 17 2021 ...WINTER STORM WARNING REMAINS IN EFFECT FROM 10 PM THIS EVENING TO 4 AM PST SUNDAY... * WHAT...Heavy snow possible. Total snow accumulations between 15 and 25 inches possible. * WHERE...Holden Village and Stevens Pass. * WHEN...From 10 PM this evening to 4 AM PST Sunday. * IMPACTS...Travel could be very difficult to impossible. * ADDITIONAL DETAILS...Slow down and use caution while traveling. The latest road conditions can be obtained by calling 5 1 1. PRECAUTIONARY/PREPAREDNESS ACTIONS... If you must travel, keep an extra flashlight, food, and water in your vehicle in case of an emergency. The latest road conditions for the state you are calling from can be obtained by calling 5 1 1. && $$ IDZ002-WAZ036-181515- /O.CON.KOTX.WW.Y.0043.211218T0900Z-211219T0200Z/ Coeur d'Alene Area-Spokane Area- Including the cities of Rockford, Spokane Valley, Worley, Coeur d'Alene, Cheney, Fairfield, Hayden, Post Falls, Airway Heights, Downtown Spokane, and Davenport 201 PM PST Fri Dec 17 2021 ...WINTER WEATHER ADVISORY REMAINS IN EFFECT FROM 1 AM TO 6 PM PST SATURDAY... * WHAT...Snow expected. Total snow accumulations 1 to 4 inches. * WHERE...Rockford, Spokane Valley, Worley, Coeur d'Alene, Cheney, Fairfield, Hayden, Post Falls, Airway Heights, Downtown Spokane, and Davenport. * WHEN...From 1 AM to 6 PM PST Saturday. * IMPACTS...Plan on slippery road conditions. Additional snow on roadways may cause difficult driving conditions. PRECAUTIONARY/PREPAREDNESS ACTIONS... Slow down and use caution while traveling. The latest road conditions for the state you are calling from can be obtained by calling 5 1 1. && $$ WAZ037-181515- /O.EXA.KOTX.WS.A.0009.211219T0000Z-211219T1200Z/ Northeast Mountains- Including the cities of Chewelah, Colville, Northport, Flowery Trail Road, Orin-Rice Road, Newport, Deer Park, Springdale-Hunters Road, and Kettle Falls 201 PM PST Fri Dec 17 2021 ...WINTER STORM WATCH IN EFFECT FROM SATURDAY AFTERNOON THROUGH LATE SATURDAY NIGHT... * WHAT...Heavy snow possible. Total snow accumulations 2 to 4 inches in the valleys and 5 to 10 inches in the mountains possible. * WHERE...Chewelah, Colville, Northport, Flowery Trail Road, Orin-Rice Road, Newport, Deer Park, Springdale-Hunters Road, and Kettle Falls. * WHEN...From Saturday afternoon through late Saturday night. * IMPACTS...Plan on slippery road conditions. PRECAUTIONARY/PREPAREDNESS ACTIONS... Monitor the latest forecasts for updates on this situation. && $$ IDZ001-181515- /O.CON.KOTX.WS.A.0009.211219T0000Z-211219T1200Z/ Northern Panhandle- Including the cities of Eastport, Sandpoint, Bonners Ferry, Athol, Schweitzer Mountain Road, and Priest River 201 PM PST Fri Dec 17 2021 ...WINTER STORM WATCH REMAINS IN EFFECT FROM SATURDAY AFTERNOON THROUGH LATE SATURDAY NIGHT... * WHAT...Heavy snow possible. Total snow accumulations between 4 and 8 inches in the valleys and 12 to 18 inches in the mountains possible. Winds could gust as high as 35 mph. * WHERE...Eastport, Sandpoint, Bonners Ferry, Athol, Schweitzer Mountain Road, and Priest River. * WHEN...From Saturday afternoon through late Saturday night. * IMPACTS...Travel could be very difficult. PRECAUTIONARY/PREPAREDNESS ACTIONS... Monitor the latest forecasts for updates on this situation. && $$ IDZ003-004-WAZ031-181515- /O.CON.KOTX.WS.A.0009.211219T1200Z-211221T0600Z/ Idaho Palouse-Central Panhandle Mountains-Northeast Blue Mountains- Including the cities of Potlatch, Dobson Pass, Plummer, Wallace, Fourth Of July Pass, Anatone, Moscow, Osburn, Peola, Genesee, Mountain Road, Kellogg, St. Maries, Cloverland Road, Fernwood, Lookout Pass, Mullan, and Pinehurst 201 PM PST Fri Dec 17 2021 ...WINTER STORM WATCH REMAINS IN EFFECT FROM LATE SATURDAY NIGHT THROUGH MONDAY EVENING... * WHAT...Heavy snow possible. Total snow accumulations between 3 and 10 inches in the Silver Valley and 8 to 12 inches in the central Idaho mountains. For the Idaho Palouse 4 to 8 inches are possible. For the northeast Blue mountains 5 to 10 inches. * WHERE...Potlatch, Dobson Pass, Plummer, Wallace, Fourth Of July Pass, Anatone, Moscow, Osburn, Peola, Genesee, Mountain Road, Kellogg, St. Maries, Cloverland Road, Fernwood, Lookout Pass, Mullan, and Pinehurst. * WHEN...From late Saturday night through Monday evening. * IMPACTS...Travel could be very difficult to impossible. The hazardous conditions could impact the Monday morning and evening commutes. PRECAUTIONARY/PREPAREDNESS ACTIONS... Monitor the latest forecasts for updates on this situation. && $$ OTX
279 WWUS46 KOTX 180118 WSWOTX URGENT - WINTER WEATHER MESSAGE National Weather Service Spokane WA 518 PM PST Fri Dec 17 2021 WAZ037-181400- /O.UPG.KOTX.WS.A.0009.211219T0000Z-211219T1200Z/ /O.EXB.KOTX.WS.W.0013.211218T0900Z-211219T0600Z/ Northeast Mountains- Including the cities of Chewelah, Colville, Northport, Flowery Trail Road, Orin-Rice Road, Newport, Deer Park, Springdale-Hunters Road, and Kettle Falls 518 PM PST Fri Dec 17 2021 ...WINTER STORM WARNING IN EFFECT FROM 1 AM TO 10 PM PST SATURDAY... * WHAT...Heavy snow expected. Total snow accumulations between 2 and 6 inches valleys and 5 to 10 inches mountains. * WHERE...Chewelah, Colville, Northport, Flowery Trail Road, Orin-Rice Road, Newport, Deer Park, Springdale-Hunters Road, and Kettle Falls. * WHEN...From 1 AM to 10 PM PST Saturday. * IMPACTS...Winter driving conditions are expected Saturday. PRECAUTIONARY/PREPAREDNESS ACTIONS... The latest road conditions for the state you are calling from can be obtained by calling 5 1 1. && $$ IDZ001-181400- /O.UPG.KOTX.WS.A.0009.211219T0000Z-211219T1200Z/ /O.EXB.KOTX.WS.W.0013.211218T1200Z-211219T1200Z/ Northern Panhandle- Including the cities of Eastport, Sandpoint, Bonners Ferry, Athol, Schweitzer Mountain Road, and Priest River 518 PM PST Fri Dec 17 2021 ...WINTER STORM WARNING IN EFFECT FROM 4 AM SATURDAY TO 4 AM PST SUNDAY... * WHAT...Heavy snow expected. Total snow accumulations between 4 and 8 inches valleys with localized amounts up to 12 inches. Mountain accumulation of 12 to 18 inches. * WHERE...Eastport, Sandpoint, Bonners Ferry, Athol, Schweitzer Mountain Road, and Priest River. * WHEN...From 4 AM Saturday to 4 AM PST Sunday. * IMPACTS...Winter driving conditions are expected Saturday and Saturday night. PRECAUTIONARY/PREPAREDNESS ACTIONS... The latest road conditions for the state you are calling from can be obtained by calling 5 1 1. && $$ WAZ048-181400- /O.CON.KOTX.WS.W.0013.211218T0600Z-211219T1200Z/ Western Chelan County- Including the cities of Holden Village and Stevens Pass 518 PM PST Fri Dec 17 2021 ...WINTER STORM WARNING REMAINS IN EFFECT FROM 10 PM THIS EVENING TO 4 AM PST SUNDAY... * WHAT...Heavy snow expected. Total snow accumulations between 15 and 25 inches. * WHERE...Holden Village and Stevens Pass. * WHEN...From 10 PM this evening to 4 AM PST Sunday. * IMPACTS...Winter driving conditions are expected late tonight through early Sunday morning. PRECAUTIONARY/PREPAREDNESS ACTIONS... The latest road conditions for the state you are calling from can be obtained by calling 5 1 1. && $$ WAZ038-181400- /O.EXB.KOTX.WW.Y.0043.211218T0900Z-211219T0300Z/ Okanogan Highlands- Including the cities of Wauconda, Boulder Creek Road, Chesaw Road, Republic, Sherman Pass, Highway 20 Wauconda Summit, and Inchelium 518 PM PST Fri Dec 17 2021 ...WINTER WEATHER ADVISORY IN EFFECT FROM 1 AM TO 7 PM PST SATURDAY... * WHAT...Snow expected. Total snow accumulations between 1 and 3 inches valleys and 3 to 6 inches mountains. * WHERE...Wauconda, Boulder Creek Road, Chesaw Road, Republic, Sherman Pass, Highway 20 Wauconda Summit, and Inchelium. * WHEN...From 1 AM to 7 PM PST Saturday. * IMPACTS...Winter driving conditions are expected Saturday. PRECAUTIONARY/PREPAREDNESS ACTIONS... Slow down and use caution while traveling. The latest road conditions for the state you are calling from can be obtained by calling 5 1 1. && $$ WAZ047-049-181400- /O.EXB.KOTX.WW.Y.0043.211218T0900Z-211219T0600Z/ Central Chelan County-Western Okanogan County- Including the cities of Winthrop, Plain, Leavenworth, Methow, Twisp, Loup Loup Pass, Conconully, and Mazama 518 PM PST Fri Dec 17 2021 ...WINTER WEATHER ADVISORY IN EFFECT FROM 1 AM TO 10 PM PST SATURDAY... * WHAT...Snow expected. Total snow accumulations between 3 and 6 inches valleys with 6 to 12 inches at Loup Loup and Blewett Passes. * WHERE...Winthrop, Plain, Leavenworth, Methow, Twisp, Loup Loup Pass, Conconully, and Mazama. * WHEN...From 1 AM to 10 PM PST Saturday. * IMPACTS...Winter driving conditions are expected Saturday into Saturday evening. PRECAUTIONARY/PREPAREDNESS ACTIONS... Slow down and use caution while traveling. The latest road conditions for the state you are calling from can be obtained by calling 5 1 1. && $$ IDZ002-WAZ036-181400- /O.EXT.KOTX.WW.Y.0043.211218T0900Z-211219T0000Z/ Coeur d'Alene Area-Spokane Area- Including the cities of Rockford, Spokane Valley, Worley, Coeur d'Alene, Cheney, Fairfield, Hayden, Post Falls, Airway Heights, Downtown Spokane, and Davenport 518 PM PST Fri Dec 17 2021 ...WINTER WEATHER ADVISORY NOW IN EFFECT FROM 1 AM TO 4 PM PST SATURDAY... * WHAT...Snow expected. Total snow accumulations between 1 and 3 inches. * WHERE...Rockford, Spokane Valley, Worley, Coeur d'Alene, Cheney, Fairfield, Hayden, Post Falls, Airway Heights, Downtown Spokane, and Davenport. * WHEN...From 1 AM to 4 PM PST Saturday. * IMPACTS...Winter driving conditions are expected Saturday. PRECAUTIONARY/PREPAREDNESS ACTIONS... Slow down and use caution while traveling. The latest road conditions for the state you are calling from can be obtained by calling 5 1 1. && $$ IDZ004-181400- /O.EXT.KOTX.WS.A.0009.211218T1800Z-211220T1200Z/ Central Panhandle Mountains- Including the cities of Fourth Of July Pass, Wallace, Osburn, Dobson Pass, Kellogg, St. Maries, Fernwood, Lookout Pass, Mullan, and Pinehurst 518 PM PST Fri Dec 17 2021 ...WINTER STORM WATCH NOW IN EFFECT FROM SATURDAY MORNING THROUGH LATE SUNDAY NIGHT... * WHAT...Heavy snow possible. Total snow accumulations 3 to 10 inches in the valleys and 8 to 12 inches mountains. * WHERE...Fourth Of July Pass, Wallace, Osburn, Dobson Pass, Kellogg, St. Maries, Fernwood, Lookout Pass, Mullan, and Pinehurst. * WHEN...From Saturday morning through late Sunday night. * IMPACTS...Winter driving conditions will be possible Saturday, Saturday night and into Sunday, especially above 3000 feet. PRECAUTIONARY/PREPAREDNESS ACTIONS... Monitor the latest forecasts for updates on this situation. && $$ IDZ003-181400- /O.EXT.KOTX.WS.A.0009.211219T0600Z-211220T1200Z/ Idaho Palouse- Including the cities of Potlatch, Moscow, Plummer, and Genesee 518 PM PST Fri Dec 17 2021 ...WINTER STORM WATCH NOW IN EFFECT FROM SATURDAY EVENING THROUGH LATE SUNDAY NIGHT... * WHAT...Heavy snow possible. Total snow accumulations between 4 and 8 inches possible. * WHERE...Potlatch, Moscow, Plummer, and Genesee. * WHEN...From Saturday evening through late Sunday night. * IMPACTS...Winter driving conditions will be possible Saturday night, Sunday, and Sunday night. PRECAUTIONARY/PREPAREDNESS ACTIONS... Monitor the latest forecasts for updates on this situation. && $$ WAZ031-181400- /O.EXT.KOTX.WS.A.0009.211219T0600Z-211220T1200Z/ Northeast Blue Mountains- Including the cities of Mountain Road, Anatone, Peola, and Cloverland Road 518 PM PST Fri Dec 17 2021 ...WINTER STORM WATCH NOW IN EFFECT FROM SATURDAY EVENING THROUGH LATE SUNDAY NIGHT... * WHAT...Heavy snow possible. Total snow accumulations between 5 and 10 inches possible. Winds could gust as high as 40 mph. * WHERE...Mountain Road, Anatone, Peola, and Cloverland Road. * WHEN...From Saturday evening through late Sunday night. * IMPACTS...Travel in the Blue Mountains and back country recreation may be impacted Saturday night, Sunday and Sunday night. PRECAUTIONARY/PREPAREDNESS ACTIONS... Monitor the latest forecasts for updates on this situation. && $$ GKOCH
624 WWUS46 KOTX 181032 WSWOTX URGENT - WINTER WEATHER MESSAGE National Weather Service Spokane WA 232 AM PST Sat Dec 18 2021 ...SNOW TODAY THROUGH THE WEEKEND FOR THE INLAND NORTHWEST... .A winter storm will continue over the Inland Northwest Saturday and Sunday. Snow will become heavy over the Cascades Saturday morning through Saturday night. Travel will be difficult over Stevens Pass with this winter storm. Snow is expected to decrease by late Sunday morning over the Cascades and northern Washington and Idaho. Snow will pick up over the Washington and Idaho Palouse and the Washington Blues Saturday night through Sunday night. Heavy snow will persist in the Idaho Panhandle mountains into early next week. IDZ004-190030- /O.UPG.KOTX.WS.A.0009.211218T1800Z-211220T1200Z/ /O.EXB.KOTX.WS.W.0013.211218T1800Z-211220T1200Z/ Central Panhandle Mountains- Including the cities of Fourth Of July Pass, Wallace, Osburn, Dobson Pass, Kellogg, St. Maries, Fernwood, Lookout Pass, Mullan, and Pinehurst 232 AM PST Sat Dec 18 2021 ...WINTER STORM WARNING IN EFFECT FROM 10 AM THIS MORNING TO 4 AM PST MONDAY... * WHAT...Heavy snow possible. Total snow accumulations 4 to 10 inches in the valleys and 12 to 20 inches mountains. * WHERE...Fourth Of July Pass, Wallace, Osburn, Dobson Pass, Kellogg, St. Maries, Fernwood, Lookout Pass, Mullan, and Pinehurst. * WHEN...From 10 AM this morning to 4 AM PST Monday. * IMPACTS...Winter driving conditions will be possible Saturday, Saturday night and into Sunday. PRECAUTIONARY/PREPAREDNESS ACTIONS... If you must travel, keep an extra flashlight, food, and water in your vehicle in case of an emergency. The latest road conditions for the state you are calling from can be obtained by calling 5 1 1. && $$ IDZ003-190030- /O.UPG.KOTX.WS.A.0009.211219T0600Z-211220T1200Z/ /O.EXB.KOTX.WS.W.0013.211219T0600Z-211220T1200Z/ Idaho Palouse- Including the cities of Potlatch, Moscow, Plummer, and Genesee 232 AM PST Sat Dec 18 2021 ...WINTER STORM WARNING IN EFFECT FROM 10 PM THIS EVENING TO 4 AM PST MONDAY... * WHAT...Heavy snow expected. Total snow accumulations between 5 and 10 inches. * WHERE...Potlatch, Moscow, Plummer, and Genesee. * WHEN...From 10 PM this evening to 4 AM PST Monday. * IMPACTS...Winter driving conditions will be possible Saturday night, Sunday, and Sunday night. PRECAUTIONARY/PREPAREDNESS ACTIONS... If you must travel, keep an extra flashlight, food, and water in your vehicle in case of an emergency. The latest road conditions for the state you are calling from can be obtained by calling 5 1 1. && $$ WAZ037-190030- /O.CON.KOTX.WS.W.0013.000000T0000Z-211219T0600Z/ Northeast Mountains- Including the cities of Chewelah, Colville, Northport, Flowery Trail Road, Orin-Rice Road, Newport, Deer Park, Springdale-Hunters Road, and Kettle Falls 232 AM PST Sat Dec 18 2021 ...WINTER STORM WARNING REMAINS IN EFFECT UNTIL 10 PM PST THIS EVENING... * WHAT...Heavy snow expected. Total snow accumulations between 2 and 6 inches valleys and 5 to 10 inches mountains. * WHERE...Chewelah, Colville, Northport, Flowery Trail Road, Orin-Rice Road, Newport, Deer Park, Springdale-Hunters Road, and Kettle Falls. * WHEN...Until 10 PM PST this evening. * IMPACTS...Winter driving conditions are expected Saturday. PRECAUTIONARY/PREPAREDNESS ACTIONS... If you must travel, keep an extra flashlight, food, and water in your vehicle in case of an emergency. The latest road conditions for the state you are calling from can be obtained by calling 5 1 1. && $$ WAZ048-190030- /O.CON.KOTX.WS.W.0013.000000T0000Z-211219T1200Z/ Western Chelan County- Including the cities of Holden Village and Stevens Pass 232 AM PST Sat Dec 18 2021 ...WINTER STORM WARNING REMAINS IN EFFECT UNTIL 4 AM PST SUNDAY... * WHAT...Heavy snow expected. Total snow accumulations between 15 and 25 inches. * WHERE...Holden Village and Stevens Pass. * WHEN...Until 4 AM PST Sunday. * IMPACTS...Winter driving conditions are expected late tonight through early Sunday morning. PRECAUTIONARY/PREPAREDNESS ACTIONS... If you must travel, keep an extra flashlight, food, and water in your vehicle in case of an emergency. The latest road conditions for the state you are calling from can be obtained by calling 5 1 1. && $$ IDZ001-190030- /O.CON.KOTX.WS.W.0013.211218T1200Z-211219T1200Z/ Northern Panhandle- Including the cities of Eastport, Sandpoint, Bonners Ferry, Athol, Schweitzer Mountain Road, and Priest River 232 AM PST Sat Dec 18 2021 ...WINTER STORM WARNING REMAINS IN EFFECT UNTIL 4 AM PST SUNDAY... * WHAT...Heavy snow expected. Total snow accumulations between 5 and 10 inches valleys with localized amounts up to 12 inches. Mountain accumulation of 12 to 20 inches. * WHERE...Eastport, Sandpoint, Bonners Ferry, Athol, Schweitzer Mountain Road, and Priest River. * WHEN...Until 4 AM PST Sunday. * IMPACTS...Winter driving conditions are expected Saturday and Saturday night. PRECAUTIONARY/PREPAREDNESS ACTIONS... If you must travel, keep an extra flashlight, food, and water in your vehicle in case of an emergency. The latest road conditions for the state you are calling from can be obtained by calling 5 1 1. && $$ WAZ031-190030- /O.UPG.KOTX.WS.A.0009.211219T0600Z-211220T1200Z/ /O.EXB.KOTX.WW.Y.0043.211219T0600Z-211220T1200Z/ Northeast Blue Mountains- Including the cities of Mountain Road, Anatone, Peola, and Cloverland Road 232 AM PST Sat Dec 18 2021 ...WINTER WEATHER ADVISORY IN EFFECT FROM 10 PM THIS EVENING TO 4 AM PST MONDAY... * WHAT...Heavy snow possible. Total snow accumulations between 5 and 10 inches possible. Winds could gust as high as 40 mph. * WHERE...Mountain Road, Anatone, Peola, and Cloverland Road. * WHEN...From 10 PM this evening to 4 AM PST Monday. * IMPACTS...Travel in the Blue Mountains and back country recreation may be impacted Saturday night, Sunday and Sunday night. PRECAUTIONARY/PREPAREDNESS ACTIONS... Slow down and use caution while traveling. The latest road conditions for the state you are calling from can be obtained by calling 5 1 1. && $$ WAZ043-190030- /O.EXB.KOTX.WW.Y.0043.211218T1200Z-211219T0600Z/ Okanogan Valley- Including the cities of Disautel Pass, Brewster, Omak, Bridgeport, Nespelem, Oroville, and Okanogan 232 AM PST Sat Dec 18 2021 ...WINTER WEATHER ADVISORY IN EFFECT UNTIL 10 PM PST THIS EVENING... * WHAT...Snow expected. Total snow accumulations between 1 and 4 inches. * WHERE...Disautel Pass, Brewster, Omak, Bridgeport, Nespelem, Oroville, and Okanogan. * WHEN...Until 10 PM PST this evening. * IMPACTS...Winter driving conditions are expected Saturday. PRECAUTIONARY/PREPAREDNESS ACTIONS... Slow down and use caution while traveling. The latest road conditions for the state you are calling from can be obtained by calling 5 1 1. && $$ WAZ033-190030- /O.EXB.KOTX.WW.Y.0043.211219T0600Z-211220T1200Z/ Washington Palouse- Including the cities of Colfax, Rosalia, Tekoa, La Crosse, Uniontown, Pullman, and Oakesdale 232 AM PST Sat Dec 18 2021 ...WINTER WEATHER ADVISORY IN EFFECT FROM 10 PM THIS EVENING TO 4 AM PST MONDAY... * WHAT...Wet snow expected. Total snow accumulations between 3 and 7 inches. * WHERE...Colfax, Rosalia, Tekoa, La Crosse, Uniontown, Pullman, and Oakesdale. * WHEN...From 10 PM this evening to 4 AM PST Monday. * IMPACTS...Winter driving conditions are expected late Saturday night through Sunday. PRECAUTIONARY/PREPAREDNESS ACTIONS... Slow down and use caution while traveling. The latest road conditions for the state you are calling from can be obtained by calling 5 1 1. && $$ WAZ038-190030- /O.EXT.KOTX.WW.Y.0043.000000T0000Z-211219T0600Z/ Okanogan Highlands- Including the cities of Wauconda, Boulder Creek Road, Chesaw Road, Republic, Sherman Pass, Highway 20 Wauconda Summit, and Inchelium 232 AM PST Sat Dec 18 2021 ...WINTER WEATHER ADVISORY NOW IN EFFECT UNTIL 10 PM PST THIS EVENING... * WHAT...Snow expected. Total snow accumulations between 1 and 3 inches valleys and 3 to 6 inches mountains. * WHERE...Wauconda, Boulder Creek Road, Chesaw Road, Republic, Sherman Pass, Highway 20 Wauconda Summit, and Inchelium. * WHEN...Until 10 PM PST this evening. * IMPACTS...Winter driving conditions are expected Saturday and Saturday night. PRECAUTIONARY/PREPAREDNESS ACTIONS... Slow down and use caution while traveling. The latest road conditions for the state you are calling from can be obtained by calling 5 1 1. && $$ IDZ002-WAZ036-190000- /O.CON.KOTX.WW.Y.0043.000000T0000Z-211219T0000Z/ Coeur d'Alene Area-Spokane Area- Including the cities of Rockford, Spokane Valley, Worley, Coeur d'Alene, Cheney, Fairfield, Hayden, Post Falls, Airway Heights, Downtown Spokane, and Davenport 232 AM PST Sat Dec 18 2021 ...WINTER WEATHER ADVISORY REMAINS IN EFFECT UNTIL 4 PM PST THIS AFTERNOON... * WHAT...Snow expected. Total snow accumulations 1 to 4 inches. * WHERE...Rockford, Spokane Valley, Worley, Coeur d'Alene, Cheney, Fairfield, Hayden, Post Falls, Airway Heights, Downtown Spokane, and Davenport. * WHEN...Until 4 PM PST this afternoon. * IMPACTS...Winter driving conditions are expected Saturday. PRECAUTIONARY/PREPAREDNESS ACTIONS... Slow down and use caution while traveling. The latest road conditions for the state you are calling from can be obtained by calling 5 1 1. && $$ WAZ047-049-190030- /O.CON.KOTX.WW.Y.0043.000000T0000Z-211219T0600Z/ Central Chelan County-Western Okanogan County- Including the cities of Winthrop, Plain, Leavenworth, Methow, Twisp, Loup Loup Pass, Conconully, and Mazama 232 AM PST Sat Dec 18 2021 ...WINTER WEATHER ADVISORY REMAINS IN EFFECT UNTIL 10 PM PST THIS EVENING... * WHAT...Snow. Total snow accumulations between 3 and 6 inches valleys with 6 to 12 inches at Loup Loup and Blewett Passes. * WHERE...Winthrop, Plain, Leavenworth, Methow, Twisp, Loup Loup Pass, Conconully, and Mazama. * WHEN...Until 10 PM PST this evening. * IMPACTS...Winter driving conditions are expected Saturday into Saturday evening. PRECAUTIONARY/PREPAREDNESS ACTIONS... Slow down and use caution while traveling. The latest road conditions for the state you are calling from can be obtained by calling 5 1 1. && $$ VMT
The office that day
Everything else NWS Spokane, WA issued on the same UTC day.
| Issued | Product | Office | Counties | Lasted |
|---|---|---|---|---|
| Dec 17, 3:22 AM PST | Winter Storm Watch | OTX | Chelan | 11 hr |
| Dec 17, 1:53 PM PST | Winter Storm Warning | OTX | Chelan, Pend Oreille, Spokane, Stevens | 48 hr |
| Dec 17, 1:53 PM PST | Winter Weather Advisory | OTX | Asotin, Chelan, Douglas, Ferry, Garfield, Lincoln and 3 more | 3 days |
Nearby
Winter Storm Watches in Idaho, 2021Winter Storm Watches in Washington, 2021Every winter storm watch in 2021
Sources
The product and its follow-ups from the Iowa Environmental Mesonet's archive of National Weather Service and Storm Prediction Center text; the sounding from the Mesonet's radiosonde archive; radar from the NEXRAD Level II archive.