Freezing Fog in Idaho
Every freezing fog event the National Weather Service has filed in Idaho, year by year, with the most significant episodes. Fog that froze on contact with roads, vehicles or structures.
The most significant on the map
The most significant freezing fog episodes in Idaho.
- Tornadoes
- Tropical storms and surge
- Floods
- Wind
- Hail
- Winter weather
- Heat and drought
- Cold
- Fire, smoke and dust
- Marine and coastal
- Other
The record
- Events
- 8
- Deaths
- 2
- Injuries
- 1
- Damage
- $10,000
Every year
The most significant
Ranked by deaths, injuries, damage and size together.
- Freezing Fog in Idaho, December 17, 2014A 23 year old Washington man was killed in a one vehicle rollover on interstate 86 near milepost 56 and the Pocatello Regional Airport in Power County on December 17th at around 6:30 am.
- Freezing Fog in Idaho, December 17, 2022A fatal accident occurred on December 17th at 715 Pm MST on S 15th St E in Idaho Falls near Sandy Downs. It was suspected weather may have been a factor as low visibility in fog and icy roads may have occurred.
- Freezing Fog in Idaho, December 20, 2020On December 20th dense freezing fog and freezing drizzle caused black ice to form on State Highway 75 between Idaho 21 and Squaw Canyon Road south of Clayton. It covered a 37 mile stretch from mile post 191 to mile post 218.
- Winter Weather and Freezing Fog in Idaho, January 21, 2024Black ice caused multiple crashes on interstate 15 between Chubbuck and Blackfoot in both directions including near the Fort Hall exit due to the black ice.
- Freezing Fog in Idaho, January 15 to 22, 2014This period was dominated by a strong upper level ridge of high pressure. Subsidence associated with this ridge trapped low level moisture with widespread fog developing across the area.
- Freezing Fog in Idaho, January 24 to 25, 2015Eleven single vehicle accidents occurred on interstate 15 between Fort Hall and Blackfoot on January 24th due to freezing fog and drizzle causing icy roadways to develop.
- Freezing Fog in Idaho, December 14, 2023A multi vehicle crash occurred at around 740 AM near mile marker 89 near Blackfoot on interstate 15 that backed up traffic for miles. It was suspected freezing fog and black ice may have played a role in the accidents.
More
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 2026-09-24.