1 heavy snow, as filed by the National Weather Service.
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.
1 heavy snow. Local standard time, as filed.
An unusual late spring snow storm brought heavy snow to the Snake Plains. Up to 4 inches of heavy wet snow fell on the city of Pocatello and its environs. The airport officially recorded 3.6 inches, which was the 4th heaviest snow fall ever recorded in May. The monthly total accumulation for May would also be the 4th highest at 5.0 inches.
After NWS Directive 10-1605, the rules offices file Storm Data by.
Every storm in Idaho in 1999Every state in 1999This day in weather historyWarnings in Idaho, May 1999
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: 5694256.