Dewey County SD Emergency Management

08/31/2026

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08/31/2026

Attn: Wide Spread Power Outages for Moreau Grand Customers throughout Dewey and Ziebach Counties. If you need to report an outage and it's after hours please call 1-800-250-6142. At this time they do not have an Estimated time that they will have everything back up.

08/31/2026

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08/25/2026

Update:

08/25/2026

Please be on the look out for Emergency Vehicles responding to a fire. They may be on Highway 63, On The Tree Road, White Horse Road. If you see them coming please pull over on an approach, let them pass and do not crowd them. Please avoid this area until further notice.

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08/19/2026

Power Outage, Please plan accordingly. If you have a well catch water and it is going to get warm that day. Possibly up to 94 degrees.

ATTENTION ARMSTRONG AND RIDGEVIEW MEMBERS

On Friday, August 21st, starting at 8:30 AM MT, there will be a planned outage at the Armstrong and Ridgeview Substations. Any members fed off those two subs will be out from 8:30 AM MT until approximately 12:30 PM MT.

Crews will be performing maintenance on the transmission line.
If you have any questions please call the office at 605-865-3511 or 1-800-952-3158.

Thank you for understanding.

08/17/2026

Be on the watch for possible severe weather.

A severe thunderstorm watch has been issued for parts of South Dakota until 11 PM CDT. This includes the cities of Mobridge, Aberdeen, Eagle Butte, Pierre, Redfield, Gettysburg, and Murdo, SD.

08/13/2026

Becareful traveling this morning dense fog is making everyone out on the highways play a big game of hide and seek. Please adjust your speed and keep your distance.

08/12/2026

A Severe Thunderstorm Watch is in effect for parts of north central and northeast South Dakota until 1 AM CDT Wednesday. Large hail up to tennis ball size will be possible along with damaging wind gusts to 70 mph. Frequent lightning will also be possible with any storms in and close to the watch area. Some cities included in this Severe Thunderstorm Watch are McIntosh, Mobridge, Eureka, Leola, Aberdeen, Britton and Webster.