|A general 4 to 6 inches with local accumulations to 10 inches were reported in the valleys, while the mountains received higher amounts.
Every event with a place to put it; 6 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.
The mountains and valleys of northern Idaho received heavy snow from a warm front passage during the afternoon of November 2nd through the morning of November 3rd.|A general 4 to 6 inches with local accumulations to 10 inches were reported in the valleys, while the mountains received higher amounts.
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 Nov 2, 10:33 AM PST, 2 hours 27 minutes earlier.
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</html>Hazardous Weather Outlook National Weather Service Spokane WA 621 AM PDT Thu Nov 2 2017 IDZ001-WAZ037-038-031330- Northern Panhandle-Northeast Mountains-Okanogan Highlands- 621 AM PDT Thu Nov 2 2017 This Hazardous Weather Outlook is for portions of North Idaho... North Central Washington and Northeast Washington. .DAY ONE...TODAY AND TONIGHT Mountain snow and valley rain and snow will change to all snow by this evening. Heavy accumulations are expected north of Deer Park and Athol. .DAYS TWO THROUGH SEVEN...FRIDAY THROUGH WEDNESDAY Much colder temperatures will occur into early next week. Low temperatures for many areas with drop into the teens. Single digits are possible for the Republic area Friday night. IDZ002>004-WAZ033>036-041>044-031330- Coeur d'Alene Area-Idaho Palouse-Central Panhandle Mountains- Washington Palouse-Moses Lake Area-Upper Columbia Basin- Spokane Area-Wenatchee Area-East Slopes Northern Cascades- Okanogan Valley-Waterville Plateau- 621 AM PDT Thu Nov 2 2017 This Hazardous Weather Outlook is for portions of North Idaho... Central Washington...East Central Washington...North Central Washington...Northeast Washington and Southeast Washington. .DAY ONE...TODAY AND TONIGHT Significant snow accumulations are expected in the Cascade mountains today. .DAYS TWO THROUGH SEVEN...FRIDAY THROUGH WEDNESDAY The first accumulating snow is possible on Sunday for much of the Columbia Basin, Spokane/Coeur D'Alene area, Palouse, and Wenatchee area. For most towns accumulations will be light...except the Wenatchee area where moderate accumulations are possible. IDZ026-027-WAZ031-032-031330- Lewiston Area-Lewis and Southern Nez Perce Counties- Northeast Blue Mountains-Lower Garfield and Asotin Counties- 621 AM PDT Thu Nov 2 2017 This Hazardous Weather Outlook is for portions of North Central Idaho and Southeast Washington. .DAY ONE...TONIGHT Snow accumulations are expected in the Blue Mountains today in the range of 2 to 4 inches. .DAYS TWO THROUGH SEVEN...THURSDAY THROUGH TUESDAY No hazardous weather is expected at this time.
The national radar mosaic for the moment the first event began.
6 heavy snow. Local standard time, as filed.
A spotter near Dover reported 9.5 inches of new snow accumulation.
A spotter near Moyie Springs reported 4.0 inches of new snow accumulation.
An observer 3 miles southeast of Bonners Ferry reported 10.0 inches of new snow accumulation.
An observer at Naples reported 10.5 inches of new snow accumulation.
An observer near Oldtown reported 5.0 inches of new snow accumulation.
An observer near Spirit Lake reported 4.5 inches of new snow accumulation.
After NWS Directive 10-1605, the rules offices file Storm Data by.
Every storm in Idaho in 2017Every state in 2017This day in weather historyWarnings in Idaho, November 2017
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 2026-09-30. Each event’s entry at NCEI: 723973, 723974, 723975, 723976, 723977, 723978.