Freezing Fog in Iowa
Every freezing fog event the National Weather Service has filed in Iowa, 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 Iowa.
- 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
- 9
- Deaths
- 2
- Injuries
- 0
- Damage
- None recorded
Every year
The most significant
Ranked by deaths, injuries, damage and size together.
- Freezing Fog in Iowa, January 10, 2023Dense fog developed across portions of eastern Iowa overnight on the 9th and into the 10th, with visibilities to a quarter mile at times through the mid morning. Freezing fog resulted in slippery pavement.
- Freezing Fog in Iowa, January 10 to 11, 2014Abundant low level moisture and weak winds ahead of a weak storm system lifting northeastward out of Missouri produced widespread fog and drizzle across eastern Iowa. North of U.S.
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.