Alert archive / South Dakota / Extreme Cold Warnings in 2026
Extreme Cold Warning 1, NWS Sioux Falls, SD
NWS Sioux Falls, SD issued this extreme cold warning at Jan 22, 2026, 2:28 AM CST for 18 counties in South Dakota; 11 counties in Iowa; 8 counties in Minnesota. It took effect at Jan 22, 2026, 9:00 PM CST. It was in force for 14 hr. No storm report in the archive falls inside the area while it was in force.
The area
The counties it named.
The facts
- Issued
- Jan 22, 2026, 2:28 AM CST (08:28 UTC)
- In effect from
- Jan 22, 2026, 9:00 PM CST
- Expired
- Jan 23, 2026, 11:00 AM CST
- In force
- 14 hr
- Issued by
- NWS Sioux Falls, SD
All 37 counties
Buena Vista County, IA, Cherokee County, IA, Clay County, IA, Dickinson County, IA, Ida County, IA, Lyon County, IA, O'Brien County, IA, Osceola County, IA, Plymouth County, IA, Sioux County, IA, Woodbury County, IA, Cottonwood County, MN, Jackson County, MN, Lincoln County, MN, Lyon County, MN, Murray County, MN, Nobles County, MN, Pipestone County, MN, Rock County, MN, Beadle County, SD, Bon Homme County, SD, Brookings County, SD, Clay County, SD, Davison County, SD, Hanson County, SD, Hutchinson County, SD, Kingsbury County, SD, Lake County, SD, Lincoln County, SD, McCook County, SD, Miner County, SD, Minnehaha County, SD, Moody County, SD, Sanborn County, SD, Turner County, SD, Union County, SD, Yankton County, SD
The radar
The Sioux Falls radar (KFSD), 18 km from the middle of the area, began a volume at 08:30 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.
What forecasters said that day
The local office's own words before this extreme cold warning went out, as it sent them, from the Iowa Environmental Mesonet's archive of National Weather Service text.
NWS Sioux Falls, SD wrote its last area forecast discussion before this extreme cold warning went out at Jan 21, 5:30 PM CST, 8 hours 58 minutes earlier.
Area forecast discussion, Jan 21, 5:30 PM CST, 8 hours 58 minutes before
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</html>Hazardous weather outlook, Jan 21, 10:28 AM CST, 16 hours before
Hazardous Weather Outlook National Weather Service Sioux Falls SD 1028 AM CST Wed Jan 21 2026 IAZ003-014-MNZ071-072-080-081-089-090-097-098-SDZ038>040-055-056- 221630- Dickinson-Clay-Lincoln-Lyon-Murray-Cottonwood-Nobles-Jackson- Pipestone-Rock-Beadle-Kingsbury-Brookings-Lake-Moody- 1028 AM CST Wed Jan 21 2026 This Hazardous Weather Outlook is for northwest Iowa, southwest Minnesota and east central South Dakota. .DAY ONE...Today and tonight. The combination of falling/drifting snow and strong winds between 40-50 mph will result in near-white out to white out conditions through the early evening. While snowfall accumulations will be at an inch or less especially across southwestern MN, decreasing visibilities will likely cause travel impacts. .DAYS TWO THROUGH SEVEN...Thursday through Tuesday. An arctic blast dives south Thursday, increasing the risk for blowing snow. Wind chills are expected drop to 25 below to 45 below zero Thursday night into Saturday. The coldest wind chills will be Thursday night into Friday morning. .SPOTTER INFORMATION STATEMENT... Spotter activation is not expected at this time. IAZ001-002-012-013-022-SDZ052>054-059>062-067-221630- Lyon-Osceola-Sioux-O'Brien-Buena Vista-Jerauld-Sanborn-Miner-Davison- Hanson-McCook-Minnehaha-Lincoln- 1028 AM CST Wed Jan 21 2026 This Hazardous Weather Outlook is for northwest Iowa, central South Dakota, east central South Dakota and southeast South Dakota. .DAY ONE...Today and tonight. The combination of falling/drifting snow and strong winds between 45-55 mph will result in near-white out conditions through the early evening. While snowfall accumulations will be at an inch or less especially across southwestern MN, decreasing visibilities will likely cause travel impacts. .DAYS TWO THROUGH SEVEN...Thursday through Tuesday. An arctic blast dives south Thursday, increasing the risk for blowing snow. Wind chills are expected drop to 25 below to 45 below zero Thursday night into Saturday. The coldest wind chills will be Thursday night into Friday morning. .SPOTTER INFORMATION STATEMENT... Spotter activation is not expected at this time. IAZ020-021-031-032-NEZ013-014-SDZ050-057-058-063>066-068>071-221630- Plymouth-Cherokee-Woodbury-Ida-Dixon-Dakota-Gregory-Brule-Aurora- Charles Mix-Douglas-Hutchinson-Turner-Bon Homme-Yankton-Clay-Union- 1028 AM CST Wed Jan 21 2026 This Hazardous Weather Outlook is for northwest Iowa, west central Iowa, northeast Nebraska, south central South Dakota and southeast South Dakota. .DAY ONE...Today and tonight. Periods of falling snow and stronger winds in the 50-65 mph will lead to temporary reductions in visibility. Any accumulations would be less than a half inch. .DAYS TWO THROUGH SEVEN...Thursday through Tuesday. An arctic blast dives south Thursday, increasing the risk for blowing snow. Wind chills are expected drop to 25 below to 45 below zero Thursday night into Saturday. The coldest wind chills will be Thursday night into Friday morning. .SPOTTER INFORMATION STATEMENT... Spotter activation is not expected at this time.
The office that day
Everything else NWS Sioux Falls, SD issued on the same UTC day.
| Issued | Product | Office | Counties | Lasted |
|---|---|---|---|---|
| Jan 22, 2:28 AM CST | Cold Weather Advisory | FSD | Aurora, Brule, Charles Mix, Douglas, Gregory, Jerauld | 37 hr |
Nearby
Extreme Cold Warnings in South Dakota, 2026Extreme Cold Warnings in Iowa, 2026Extreme Cold Warnings in Minnesota, 2026Every extreme cold warning in 2026
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.