Idaho, 2023

Heavy Snow in Idaho, March 27 to 30, 2023

March 27 to 30, 2023 · NWS PIH · 4 events in 4 counties and zones

March came to a very snowy end with more high elevation snowfall increasing the snowpack.

Where it happened

Every event with a place to put it; 4 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

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The toll

Deaths
0
Injuries
0
Property damage
None recorded
Crop damage
None recorded
Events
4

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 PIH wrote it up.

March came to a very snowy end with more high elevation snowfall increasing the snowpack.

The radar

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

Open the radar archive at this moment

Event by event

4 heavy snow. Local standard time, as filed.

Heavy Snow, Frank Church Wilderness

When
March 27, 12:00 AM MST to March 30, 7:00 AM MST
Where
Frank Church Wilderness forecast zone
Reported by
SNOTEL
Coordinates
44.241, -114.282 (the zone’s center; the record gives no point)

An estimated 18 inches of snow fell at the Mill Creek Summit SNOTEL site.

Heavy Snow, Sawtooth-Stanley Basin

When
March 27, 12:00 AM MST to March 30, 7:00 AM MST
Where
Sawtooth-Stanley Basin forecast zone
Reported by
SNOTEL
Coordinates
43.826, -114.131 (the zone’s center; the record gives no point)

An estimated 21 inches of snow fell at the Vienna Mine SNOTEL site.

Heavy Snow, Sun Valley Region

When
March 27, 5:00 AM MST to March 30, 7:00 AM MST
Where
Sun Valley Region forecast zone
Reported by
SNOTEL
Coordinates
43.826, -114.131 (the zone’s center; the record gives no point)

An estimated 20 inches of snow fell at the Galena Summit SNOTEL site and 21 inches at the Dollarhide Summit SNOTEL site.

Heavy Snow, Big Lost Highlands-Copper Basin

When
March 28, 6:00 AM MST to March 30, 7:00 AM MST
Where
Big Lost Highlands-Copper Basin forecast zone
Reported by
SNOTEL
Coordinates
43.792, -113.811 (the zone’s center; the record gives no point)

An estimated 12 inches of snow fell at the Swede Peak SNOTEL site.

What these are

Heavy Snow
Snowfall reaching the local warning threshold without the other hazards of a winter storm.

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

The same day elsewhere

More

Every storm in Idaho in 2023Every state in 2023This day in weather historyWarnings in Idaho, March 2023

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: 1091276, 1091280, 1091282, 1091284.