Idaho, 2024

Avalanche and Heavy Snow in Idaho, January 11, 2024

January 11, 2024 · NWS OTX · 3 events in 3 counties and zones

A passing Arctic Front brought periods of heavy snow and low visibilities to the area to portions of the Eastern Washington.

Where it happened

Every event with a place to put it; 3 filed by county or forecast zone are drawn at its center, in a lighter ring. Tap one for its entry below.

  • Tornadoes
  • Tropical storms and surge
  • Floods
  • Wind
  • Hail
  • Winter weather
  • Heat and drought
  • Cold
  • Fire, smoke and dust
  • Marine and coastal
  • Other

Open the live radar over this ground

The toll

Deaths
1
Injuries
1
Property damage
None recorded
Crop damage
None recorded
Events
3

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.

What happened

The episode as NWS OTX wrote it up.

A passing Arctic Front brought periods of heavy snow and low visibilities to the area to portions of the Eastern Washington.

What forecasters said that day

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 Jan 11, 4:16 AM PST, 1 hour 14 minutes earlier.

Area forecast discussion, Jan 11, 4:16 AM PST, 1 hour 14 minutes before
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The radar

The national radar mosaic for the moment the first event began.

Open the radar archive at this moment

Event by event

1 heavy snow, 1 avalanche, 1 winter weather. Local standard time, as filed.

Heavy Snow, Northern Panhandle

When
January 11, 5:30 AM PST to 11:00 AM PST
Where
Northern Panhandle forecast zone
Reported by
Public
Coordinates
48.247, -116.588 (the zone’s center; the record gives no point)

Social media report of 8 inches of snow 2 miles North of Clark Fork.

Avalanche, Central Panhandle Mountains

When
January 11, 2:00 PM PST to 2:15 PM PST
Where
Central Panhandle Mountains forecast zone
Deaths
1 direct, 0 indirect
Injuries
1 direct, 0 indirect
Reported by
Law Enforcement
Coordinates
47.265, -116.491 (the zone’s center; the record gives no point)

Avalanche near Stevens Peak stranded 3 people, injured one and killed one. The area had received 29.7 inches of snow since January 3.

Winter Weather, Lewiston Area

When
January 11, 5:45 PM PST to 6:30 PM PST
Where
Lewiston Area forecast zone
Reported by
ASOS
Coordinates
46.327, -116.750 (the zone’s center; the record gives no point)

A snow squall affected the Lewiston and Clarkston areas between 545 and 630 pm. Webcams indicated near-whiteout conditions. Snow rates exceeding one inch per hour were reported. KLWS reported quarter-mile visibilities for over 30 minutes. Law enforcement reported several roads closed in Lewiston. Time based on ASOS data.

The people who died

As the offices recorded each death: direct deaths were caused by the weather itself, indirect ones by something it set in motion.

EventDateAgeSexWhereKind
Avalanche, Central Panhandle Mountains2024-01-1133MaleOutside/Open AreasDirect

What these are

Heavy Snow
Snowfall reaching the local warning threshold without the other hazards of a winter storm.
Avalanche
A mass of snow sliding down a mountainside that caused a death, an injury or damage.
Winter Weather
Snow, sleet or freezing rain below warning levels that still caused disruption, damage or casualties.

After NWS Directive 10-1605, the rules offices file Storm Data by.

The same day elsewhere

More

Every storm in Idaho in 2024Every state in 2024This day in weather historyWarnings in Idaho, January 2024

Sources

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 2026-10-01. Each event’s entry at NCEI: 1159660, 1159657, 1159659.