Blizzard Warning Issued for Sully, Potter, and Walworth Counties in South Dakota
This alert is no longer in effect.
NOAA issued it on April 6, 2026, 4 months ago. Warnings of this kind stay in effect for hours to a few days, so this page is a historical record of what was issued, not a current warning. For conditions where you are right now, check weather.gov (US), weather.gc.ca (Canada), the Met Office (UK), or the Bureau of Meteorology (Australia).
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The National Weather Service has issued a Blizzard Warning for parts of South Dakota, effective Sunday morning, as heavy snow and 45 mph wind gusts create dangerous whiteout conditions.
Read this weather record in 30 seconds
- Record type
- Blizzard Warning
- Affected area
- Central South Dakota
- Issued
- April 6, 2026
- Issuing authority
- NWS Aberdeen SD
Winter notices differ by expected impact and timing. The original notice carries the forecast window and any travel guidance for the named area.
Record status: historical. It was issued 4 months ago; use the issuing agency's live warning service for current conditions in Central South Dakota.
Alert Details
The National Weather Service in Aberdeen, SD has issued a Blizzard Warning for several counties in South Dakota. This alert follows a Winter Storm Warning currently in effect. The Blizzard Warning is classified as an extreme severity event by the issuing agency.
Affected Areas
The warning specifically impacts the following geographic regions:
- Sully County
- Potter County
- Walworth County
Expected Conditions
Residents should prepare for hazardous winter weather conditions including:
- Snow Accumulation: Total snow accumulations for the event are expected to range between 3 and 7 inches.
- Wind Speeds: Winds are expected to gust as high as 45 mph during the Blizzard Warning period (gusts up to 40 mph are expected during the preceding Winter Storm Warning).
- Visibility: Blizzard conditions will lead to widespread blowing snow and whiteout conditions, making travel extremely dangerous or impossible.
- Additional Hazards: Gusty winds could potentially bring down tree branches and create slippery road conditions.
Timeline
- Winter Storm Warning: In effect until 1:00 AM CDT Sunday, March 15.
- Blizzard Warning: In effect from 1:00 AM to 1:00 PM CDT Sunday, March 15.
What You Should Do
Travel should be restricted to emergencies only. If you must travel, the National Weather Service advises the following precautions:
- Carry a winter survival kit in your vehicle.
- Keep an extra flashlight, food, and water in your vehicle in case of an emergency.
- If you become stranded, stay with your vehicle.
- Check the latest road conditions by calling 5-1-1.
Original source: NOAA Official Notice ↗
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