Idaho, 2023

Winter Storm in Idaho, April 12 to 13, 2023

April 12 to 13, 2023 · NWS PIH · 2 events in 2 counties and zones

Another Pacific system brought snow and winds causing more road closures in eastern Idaho on the 13th.

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 PIH wrote it up.

Another Pacific system brought snow and winds causing more road closures in eastern Idaho on the 13th.

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 Pocatello, ID wrote its last area forecast discussion before the first event at Apr 12, 3:12 PM MST, 48 minutes earlier.

Area forecast discussion, Apr 12, 3:12 PM MST, 48 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

2 winter storm. Local standard time, as filed.

Winter Storm, Teton Valley

When
April 12, 4:00 PM MST to April 13, 4:00 PM MST
Where
Teton Valley forecast zone
Reported by
Department of Highways
Coordinates
43.924, -111.450 (the zone’s center; the record gives no point)

More snow and winds closed State Highway 33 from Newdale to Tetonia and State Highway 32 from Ashton to Tetonia on the morning of the 13th. Snowfall totals were 8 inches in Ashton and 6.1 inches at Driggs.

Winter Storm, Upper Snake River Plain

When
April 12, 7:00 PM MST to April 13, 3:00 PM MST
Where
Upper Snake River Plain forecast zone
Reported by
Department of Highways
Coordinates
43.805, -111.767 (the zone’s center; the record gives no point)

Idaho State Highway 33 was closed on the morning of the 13th from Newdale to Tetonia due to snow and strong winds causing drifting and blowing snow. Amounts were in the 2 to 4 inch range.

What these are

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 2023Every state in 2023This day in weather historyWarnings in Idaho, April 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 2026-09-30. Each event’s entry at NCEI: 1095561, 1095562.