A weather disturbance moved down in a colder northwest to southeast trajectory and brought snow to many portions of North Idaho.
Every event with a place to put it; 10 filed by county or forecast zone are drawn at its center, in a lighter ring. Tap one for its entry below.
Deaths and injuries are direct and indirect together, as the offices filed them. Damage is property and crops in the dollars of the year, not adjusted for inflation, and only where an office estimated it.
The episode as NWS OTX wrote it up.
A weather disturbance moved down in a colder northwest to southeast trajectory and brought snow to many portions of North Idaho.
The local office's own words before the first event, as it sent them, from the Iowa Environmental Mesonet's archive of National Weather Service text.
NWS Spokane, WA wrote its last area forecast discussion before the first event at Dec 14, 9:55 PM PST, 2 hours 5 minutes earlier.
Area Forecast Discussion National Weather Service Spokane WA 955 PM PST MON DEC 14 2015 .SYNOPSIS... Drier weather is expected through Tuesday. However the next threat of snow moves in Tuesday night and Wednesday. A wetter system arrives Thursday into Friday, with a good chance of mountain snow and a mix of rain and snow in the lower elevations, along with breezy winds. Colder and showery conditions will develop by the weekend. && .DISCUSSION... Minor updates to some of the fog and cloud cover as well as minor adjustments to the overnight low temperatures for tonight had minimal impact on the text based zones so they were not sent out with the update. /Pelatti && .AVIATION... 06Z TAFS: High pressure keeps a bit of fog and stratus development producing IFR and LIFR ceilings and visibilities tonight. Some partial clearing tomorrow with apprach of next weather system dropping down in a cold northwest to southeast trajectory favorable for some light snowfall near 4Z Wednesday and on through Tuesday night into Wednesday. /Pelatti && .PRELIMINARY POINT TEMPS/POPS... Spokane 25 33 24 32 21 30 / 10 10 50 20 10 40 Coeur d'Alene 28 32 27 33 21 31 / 10 10 50 30 10 40 Pullman 27 33 28 32 24 31 / 10 10 60 60 10 50 Lewiston 31 38 32 39 28 36 / 10 10 30 50 10 50 Colville 21 33 21 30 19 28 / 10 0 40 20 10 30 Sandpoint 26 32 26 31 19 28 / 10 10 60 40 10 20 Kellogg 25 30 25 28 16 26 / 10 20 80 80 10 30 Moses Lake 24 38 24 37 24 31 / 0 0 20 10 10 50 Wenatchee 28 39 28 36 26 31 / 0 0 20 10 20 60 Omak 25 38 26 33 24 30 / 0 0 30 10 10 40 && .OTX WATCHES/WARNINGS/ADVISORIES... ID...None. WA...None. &&
Hazardous Weather Outlook National Weather Service SPOKANE WA 601 AM PST MON DEC 14 2015 IDZ027-WAZ031-151415- LEWIS AND SOUTHERN NEZ PERCE COUNTIES-NORTHEAST BLUE MOUNTAINS- 601 AM PST MON DEC 14 2015 This Hazardous Weather Outlook is for portions of North Central Idaho and Southeast Washington. .DAY ONE...TODAY AND TONIGHT Intermittent snow showers will bring light to moderate accumulating snow to the region above 3500 feet today making driving difficult. .DAYS TWO THROUGH SEVEN...TUESDAY THROUGH SUNDAY A weak but cold storm system Tuesday night and Wednesday may bring moderate accumulations of snow to the Camas prairie and Blue Mountains with slippery driving conditions. A more powerful moist Pacific storm system will arrive in the region Thursday night and Friday and may have the potential to produce moderate snow accumulations. An active and wintry weather pattern will likely continue through next weekend. IDZ001-004-151415- NORTHERN PANHANDLE-CENTRAL PANHANDLE MOUNTAINS- 601 AM PST MON DEC 14 2015 This Hazardous Weather Outlook is for portions of North Idaho. .DAY ONE...TODAY AND TONIGHT No hazardous weather is expected at this time. .DAYS TWO THROUGH SEVEN...TUESDAY THROUGH SUNDAY A weak but cold storm system Tuesday night and Wednesday may bring moderate accumulations of snow to the mountains of the Idaho Panhandle with slippery driving conditions. A more powerful moist Pacific storm system will arrive in the region Thursday night and Friday and may have the potential to produce heavy snow accumulations in the mountains and moderate valley accumulations. An active and wintry weather pattern will likely continue through next weekend. IDZ002-003-026-WAZ032>038-041>044-151415- COEUR D'ALENE AREA-IDAHO PALOUSE-LEWISTON AREA- LOWER GARFIELD AND ASOTIN COUNTIES-WASHINGTON PALOUSE- MOSES LAKE AREA-UPPER COLUMBIA BASIN-SPOKANE AREA- NORTHEAST MOUNTAINS-OKANOGAN HIGHLANDS-WENATCHEE AREA- EAST SLOPES NORTHERN CASCADES-OKANOGAN VALLEY-WATERVILLE PLATEAU- 601 AM PST MON DEC 14 2015 This Hazardous Weather Outlook is for portions of North Idaho... North Central Idaho...Central Washington...East Central Washington...North Central Washington...Northeast Washington and Southeast Washington. .DAY ONE...TODAY AND TONIGHT No hazardous weather is expected at this time. .DAYS TWO THROUGH SEVEN...TUESDAY THROUGH SUNDAY A moist Pacific storm system will arrive in the region Thursday night and Friday and will have the potential to produce heavy mountain snow accumulations and moderate snow accumulations in the northern Columbia Basin. Light accumulations are possible in the deep basin but snow will likely change to rain by Friday morning. An active and wintry weather pattern will likely continue through next weekend.
The national radar mosaic for the moment the first event began.
10 heavy snow. Local standard time, as filed.
A member of the public reported that 7 inches of snow fell in Moscow, Idaho.
A trained spotter reported 6 inches of snow in Sandpoint, Idaho.
A trained spotter reported 4.5 inches of snow 10 miles south of Coeur d' Alene, Idaho.
A member of the public on social media reported 5 inches of snow at Sandpoint, Idaho.
A member of the public reported 7 inches of snow at St Maries, Idaho.
A trained spotter reported 7 inches of snow 1 mile east of Moscow, Idaho.
A CoOp Observer in Genesee, McGregor, Idaho reported 4 inches of snow.
A Coop observer in Fernwood, Idaho reported 6 inches of snow.
A Coop observer in Worley, Idaho reported 5 inches of snow.
A trained spotter reported 4 inches of snow 6 miles southeast of Clark Fork, Idaho.
After NWS Directive 10-1605, the rules offices file Storm Data by.
Every storm in Idaho in 2015Every state in 2015This day in weather historyWarnings in Idaho, December 2015
NOAA National Centers for Environmental Information, Storm Events Database, compiled from the National Weather Service’s monthly Storm Data. Complete through 2026-06; NCEI adds each month about 75 days after it ends and revises past years a few times a year. Rebuilt 2026-09-24. Each event’s entry at NCEI: 604587, 604667, 604668, 604669, 604670, 604671, 604672, 604673, 604674, 604675.