Dense Fog Advisories in Minnesota
1,475 dense fog advisories since 1986. An alert counts here when it covered any part of the state, so the counties below add up to more than the state. The archive of dense fog advisories reaches back to 2005.
Dense Fog Advisories by county
Each county as a circle sized by its count since 1986. Tap one for its archive.
- Dense Fog Advisories
- 1,475
- Busiest year
- 2024130 dense fog advisories
- Average year
- 67over 22 years on file
Over time
By year
Before late 2005 the archive holds only tornado, severe thunderstorm, flash flood and marine warnings, and from 1997 SPC's watches, so the jump that year is the archive widening, not the weather.
By month of the year
By county
Every county with at least one alert. A county page lists each alert that covered it.
- Saint Louis County330
- Carlton County301
- Nobles County216
- Lake County214
- Pipestone County210
- Rock County205
- Murray County200
- Jackson County192
- Lincoln County182
- Cook County180
- Cottonwood County176
- Fillmore County176
- Mower County173
- Olmsted County163
- Dodge County161
- Polk County155
- Aitkin County154
- Lyon County151
- Marshall County151
- Steele County148
- Cass County145
- Freeborn County144
- Otter Tail County142
- Waseca County142
- Houston County142
- Blue Earth County141
- Crow Wing County140
- Pope County140
- Stearns County139
- Faribault County138
- Pine County138
- Becker County137
- Kandiyohi County136
- Wabasha County135
- Douglas County134
- Watonwan County133
- Winona County133
- Morrison County132
- Kittson County131
- Rice County131
47 more counties
- Todd County131
- Big Stone County130
- Wilkin County130
- Benton County129
- Martin County129
- Swift County129
- Clay County128
- Itasca County128
- Traverse County128
- Meeker County127
- Goodhue County126
- Mille Lacs County125
- Renville County125
- Stevens County125
- Kanabec County124
- Nicollet County124
- Norman County124
- Le Sueur County123
- Brown County122
- Sherburne County121
- Grant County120
- Isanti County120
- Pennington County120
- Red Lake County120
- Wadena County120
- Chippewa County119
- Mahnomen County119
- Sibley County119
- McLeod County117
- Chisago County116
- Redwood County116
- Clearwater County115
- Lac qui Parle County112
- Wright County112
- Beltrami County110
- Hubbard County109
- Dakota County108
- Scott County108
- Washington County108
- Carver County104
- Yellow Medicine County104
- Anoka County103
- Roseau County99
- Hennepin County85
- Ramsey County85
- Lake of the Woods County80
- Koochiching County73
The latest dense fog advisories
The most recent on file, newest first.
| Issued | Product | Office | Counties | Lasted |
|---|---|---|---|---|
| Sep 28, 6:37 AM CDT | Dense Fog Advisory | ABR | Big Stone, Traverse | 3 hr |
| Sep 28, 6:16 AM CDT | Dense Fog Advisory | ARX | Dodge, Olmsted, Wabasha | 4 hr |
| Sep 28, 1:35 AM CDT | Dense Fog Advisory | FSD | Cottonwood, Lyon | 8 hr |
| Sep 27, 9:35 PM CDT | Dense Fog Advisory | DLH | Aitkin, Carlton, Cook, Crow Wing, Lake, Pine and 1 more | 12 hr |
| Sep 27, 8:17 PM CDT | Dense Fog Advisory | MPX | Anoka, Benton, Blue Earth, Brown, Carver, Chippewa and 33 more | 14 hr |
| Sep 27, 1:30 AM CDT | Dense Fog Advisory | FSD | Lincoln, Lyon, Murray, Pipestone | 10 hr |
| Sep 26, 4:56 AM CDT | Dense Fog Advisory | DLH | Carlton, Saint Louis | 5 hr |
| Sep 25, 3:33 AM CDT | Dense Fog Advisory | DLH | Carlton, Saint Louis | 4 hr |
| Sep 24, 11:49 PM CDT | Dense Fog Advisory | FGF | Kittson, Marshall | 11 hr |
| Sep 19, 12:51 AM CDT | Dense Fog Advisory | FSD | Cottonwood, Lincoln, Lyon, Murray, Pipestone | 9 hr |
| Sep 17, 5:59 AM CDT | Dense Fog Advisory | MPX | Benton, Kanabec, Mille Lacs, Morrison, Todd | 3 hr |
| Sep 17, 4:18 AM CDT | Dense Fog Advisory | DLH | Aitkin, Cass, Crow Wing, Itasca, Saint Louis | 6 hr |
Nearby
Sources
National Weather Service watches, warnings, advisories and statements from the Iowa Environmental Mesonet's VTEC archive, which reconstructs tornado, severe thunderstorm, flash flood and marine warnings back to 1986 from the NWS text archive. Storm Prediction Center watches and mesoscale discussions from SPC's archive through the Mesonet. County centers from the US Census Bureau. Warning verification from the Mesonet's Cow. Rebuilt daily.