An early season snow storm hit parts of South Central Idaho on the 17th and 18th of the month as a strong upper low moved across the Northern Great Basin. Nearly a foot of snow fell in parts of Twin Falls County during the storm.
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.
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.
The episode as NWS BOI wrote it up.
An early season snow storm hit parts of South Central Idaho on the 17th and 18th of the month as a strong upper low moved across the Northern Great Basin. Nearly a foot of snow fell in parts of Twin Falls County during the storm.
The national radar mosaic for the moment the first event began.
2 heavy snow. Local standard time, as filed.
Spotters around Riddle and Grasmere reported 8 inches of new snow.
Spotters around Hollister and Rogerson reported 6 to 11 inches of new snow.
After NWS Directive 10-1605, the rules offices file Storm Data by.
Every storm in Idaho in 2011Every state in 2011This day in weather historyWarnings in Idaho, November 2011
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: 354904, 354903.