Alert archive / Minnesota / Dense Fog Advisories in 2025
Dense Fog Advisory 21, NWS Sioux Falls, SD
NWS Sioux Falls, SD issued this dense fog advisory at Dec 23, 2025, 8:40 PM CST for Dickinson County, Iowa; 4 counties in Minnesota. It was in force for 9 hr.
The area
The counties it named.
The facts
- Issued
- Dec 23, 2025, 8:40 PM CST (02:40 UTC)
- Expired
- Dec 24, 2025, 5:31 AM CST
- In force
- 9 hr
- Issued by
- NWS Sioux Falls, SD
Counties Dickinson County, IA, Cottonwood County, MN, Jackson County, MN, Murray County, MN, Nobles County, MN
The radar
The Sioux Falls radar (KFSD), 108 km from the middle of the area, began a volume at 02:39 UTC, the scan nearest the moment this went out.
Open the radar archive at this moment
The archived warnings, watches and discussions in force at that minute are drawn over the scan, this one among them.
The office that day
Everything else NWS Sioux Falls, SD issued on the same UTC day.
| Issued | Product | Office | Counties | Lasted |
|---|---|---|---|---|
| Dec 24, 1:19 PM CST | Dense Fog Advisory | FSD | Aurora, Beadle, Bon Homme, Brookings, Brule, Charles Mix and 18 more | 68 hr |
Nearby
Dense Fog Advisories in Minnesota, 2025Dense Fog Advisories in Iowa, 2025Every dense fog advisory in 2025
Sources
The product and its follow-ups from the Iowa Environmental Mesonet's archive of National Weather Service and Storm Prediction Center text; radar from the NEXRAD Level II archive.