Dense Fog, Alexander
- When
- October 3, 3:00 AM CST to 8:00 AM CST
- Where
- Alexander forecast zone
- Reported by
- AWOS
- Coordinates
- 37.192, -89.338 (the zone’s center; the record gives no point)
Dense Fog in Illinois, October 3, 2016
Widespread dense fog blanketed southern Illinois during the early morning hours. Visibility fell below one-half mile over all areas with the exception of the Pinckneyville to Benton corridor, where clouds lingered the longest.
Where it happened
Every event with a place to put it; 17 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
The toll
- Deaths
- 0
- Injuries
- 0
- Property damage
- None recorded
- Crop damage
- None recorded
- Events
- 17
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 PAH wrote it up.
Widespread dense fog blanketed southern Illinois during the early morning hours. Visibility fell below one-half mile over all areas with the exception of the Pinckneyville to Benton corridor, where clouds lingered the longest. The fog formed as skies cleared out and winds became very light under a large high pressure dome over the Ohio Valley.
The radar
The national radar mosaic for the moment the first event began.
Event by event
17 dense fog. Local standard time, as filed.
Dense Fog, Edwards
- When
- October 3, 3:00 AM CST to 8:00 AM CST
- Where
- Edwards forecast zone
- Reported by
- AWOS
- Coordinates
- 38.417, -88.053 (the zone’s center; the record gives no point)
Dense Fog, Gallatin
- When
- October 3, 3:00 AM CST to 8:00 AM CST
- Where
- Gallatin forecast zone
- Reported by
- AWOS
- Coordinates
- 37.763, -88.230 (the zone’s center; the record gives no point)
Dense Fog, Hamilton
- When
- October 3, 3:00 AM CST to 8:00 AM CST
- Where
- Hamilton forecast zone
- Reported by
- AWOS
- Coordinates
- 38.082, -88.539 (the zone’s center; the record gives no point)
Dense Fog, Hardin
- When
- October 3, 3:00 AM CST to 8:00 AM CST
- Where
- Hardin forecast zone
- Reported by
- AWOS
- Coordinates
- 37.518, -88.267 (the zone’s center; the record gives no point)
Dense Fog, Jackson
- When
- October 3, 3:00 AM CST to 8:00 AM CST
- Where
- Jackson forecast zone
- Reported by
- ASOS
- Coordinates
- 37.785, -89.382 (the zone’s center; the record gives no point)
Dense Fog, Jefferson
- When
- October 3, 3:00 AM CST to 8:00 AM CST
- Where
- Jefferson forecast zone
- Reported by
- AWOS
- Coordinates
- 38.301, -88.924 (the zone’s center; the record gives no point)
Dense Fog, Johnson
- When
- October 3, 3:00 AM CST to 8:00 AM CST
- Where
- Johnson forecast zone
- Reported by
- AWOS
- Coordinates
- 37.460, -88.881 (the zone’s center; the record gives no point)
Dense Fog, Massac
- When
- October 3, 3:00 AM CST to 8:00 AM CST
- Where
- Massac forecast zone
- Reported by
- AWOS
- Coordinates
- 37.219, -88.708 (the zone’s center; the record gives no point)
Dense Fog, Pope
- When
- October 3, 3:00 AM CST to 8:00 AM CST
- Where
- Pope forecast zone
- Reported by
- AWOS
- Coordinates
- 37.413, -88.562 (the zone’s center; the record gives no point)
Dense Fog, Pulaski
- When
- October 3, 3:00 AM CST to 8:00 AM CST
- Where
- Pulaski forecast zone
- Reported by
- AWOS
- Coordinates
- 37.223, -89.127 (the zone’s center; the record gives no point)
Dense Fog, Saline
- When
- October 3, 3:00 AM CST to 8:00 AM CST
- Where
- Saline forecast zone
- Reported by
- AWOS
- Coordinates
- 37.753, -88.541 (the zone’s center; the record gives no point)
Dense Fog, Union
- When
- October 3, 3:00 AM CST to 8:00 AM CST
- Where
- Union forecast zone
- Reported by
- AWOS
- Coordinates
- 37.471, -89.255 (the zone’s center; the record gives no point)
Dense Fog, Wabash
- When
- October 3, 3:00 AM CST to 8:00 AM CST
- Where
- Wabash forecast zone
- Reported by
- AWOS
- Coordinates
- 38.446, -87.844 (the zone’s center; the record gives no point)
Dense Fog, Wayne
- When
- October 3, 3:00 AM CST to 8:00 AM CST
- Where
- Wayne forecast zone
- Reported by
- AWOS
- Coordinates
- 38.430, -88.426 (the zone’s center; the record gives no point)
Dense Fog, White
- When
- October 3, 3:00 AM CST to 8:00 AM CST
- Where
- White forecast zone
- Reported by
- AWOS
- Coordinates
- 38.088, -88.180 (the zone’s center; the record gives no point)
Dense Fog, Williamson
- When
- October 3, 3:00 AM CST to 8:00 AM CST
- Where
- Williamson forecast zone
- Reported by
- AWOS
- Coordinates
- 37.730, -88.930 (the zone’s center; the record gives no point)
What these are
- Dense Fog
- Fog reducing visibility to a quarter mile or less, filed where it caused accidents or disruption.
After NWS Directive 10-1605, the rules offices file Storm Data by.
The same day elsewhere
- Strong Wind in New Mexico, October 3, 2016
- High Wind in Wyoming, October 3 to 4, 2016
- High Wind in Wyoming, October 3 to 4, 2016
- Dense Fog in Kentucky, October 3, 2016
- Flood and Hail in Nebraska, October 3 to 4, 2016
- Flash Flood and Heavy Rain in Hawaii, October 3 to 6, 2016
- Flash Flood and Heavy Rain in Florida, October 3, 2016
- Frost and Freeze in Colorado, October 3 to 4, 2016
- Dense Fog in Missouri, October 3, 2016
- Damaging Winds in South Dakota, October 3, 2016
- Hail and Damaging Winds in South Dakota, October 3, 2016
- Dense Fog in Indiana, October 3, 2016
More
Every storm in Illinois in 2016Every state in 2016This day in weather historyWarnings in Illinois, October 2016
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 2026-10-01. Each event’s entry at NCEI: 661686, 661687, 661688, 661689, 661690, 661691, 661692, 661693, 661694, 661695, 661696, 661697, 661698, 661699, 661700, 661701, 661702.