Blizzard Warning Issued for Codington, Grant, Hamlin, and Deuel Counties in South Dakota

Alert Details

The National Weather Service (NWS) in Aberdeen, SD, has issued a Blizzard Warning for several counties in South Dakota. This alert follows a Winter Storm Warning and is classified with extreme severity and likely certainty.

Affected Areas

The warning covers the following geographic regions in South Dakota:

• Codington County
• Grant County
• Hamlin County
• Deuel County

What You Should Do

Residents are advised that travel should be restricted to emergencies only. If you must travel, keep a winter survival kit in your vehicle, including an extra flashlight, food, and water. If you become stranded, stay with your vehicle. For the latest road conditions, residents can call 511.

Expected Conditions

• Snow Accumulation: Total event snow accumulations are expected to be between 9 and 15 inches.
• Ice Accumulation: A light glaze of ice is possible.
• Wind Speeds: Winds are expected to gust as high as 40 mph during the Winter Storm Warning and up to 50 mph during the Blizzard Warning.
• Visibility: Widespread blowing snow will create whiteout conditions, making travel extremely dangerous or impossible.
• Other Hazards: Gusty winds could potentially bring down tree branches.

Timeline

• Winter Storm Warning: Effective from 7:00 PM Saturday to 3:00 AM CDT Sunday.
• Blizzard Warning: Effective from 3:00 AM to 7:00 PM CDT Sunday, March 15.
• Alert Expiration: The current alert message expires at 12:30 AM CDT on March 14, though the event duration extends through Sunday evening.