Idaho, 2020

Winter Storm and Heavy Snow in Idaho, January 10 to 12, 2020

January 10 to 12, 2020 · NWS MSO · 2 events in 2 counties and zones

A winter storm brought snow and gusty winds to the Camas Prairie and other lower elevations. Very heavy snow fell on the higher benches in Clearwater County.

Where it happened

Every event with a place to put it; 2 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
0
Injuries
0
Property damage
None recorded
Crop damage
None recorded
Events
2

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 MSO wrote it up.

A winter storm brought snow and gusty winds to the Camas Prairie and other lower elevations. Very heavy snow fell on the higher benches in Clearwater County.

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 Missoula, MT wrote its last area forecast discussion before the first event at Jan 10, 3:25 AM PST, 9 hours 35 minutes earlier.

Area forecast discussion, Jan 10, 3:25 AM PST, 9 hours 35 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 winter storm. Local standard time, as filed.

Heavy Snow, Northern Clearwater Mountains

When
January 10, 1:00 PM PST to January 12, 7:00 PM PST
Where
Northern Clearwater Mountains forecast zone
Reported by
Social Media
Coordinates
46.674, -115.657 (the zone’s center; the record gives no point)

Snowfall amounts of 1 to 2 feet were common on the higher benches with 2 to 3 feet at Cardiff Spur and Pierce. Periods of hazardous travel occurred.

Winter Storm, Orofino / Grangeville Region

When
January 10, 4:00 PM PST to 10:00 PM PST
Where
Orofino / Grangeville Region forecast zone
Reported by
Social Media
Coordinates
46.259, -115.562 (the zone’s center; the record gives no point)

Although snow amounts were only 2 to 4 inches, strong winds up to 60 miles per hour led to periods of very low visibility. Travel was very difficult during the critical evening commute hours.

What these are

Heavy Snow
Snowfall reaching the local warning threshold without the other hazards of a winter storm.
Winter Storm
A storm that brought snow, sleet or freezing rain at warning levels, usually over several hours or days.

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

The same day elsewhere

More

Every storm in Idaho in 2020Every state in 2020This day in weather historyWarnings in Idaho, January 2020

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 2026-09-30. Each event’s entry at NCEI: 866949, 866953.