Severe Thunderstorm Warning for Dewey and Stanley Counties, South Dakota

Source: NOAA · Central and North Central South Dakota

This alert is no longer in effect.

NOAA issued it on July 23, 2026, 4 weeks 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).

Areazine synthesizes this NWS weather alert directly from NOAA's official public data feed. See our methodology for full source attribution and refresh cadence.

NWS Aberdeen has issued a Severe Thunderstorm Warning for northwestern Stanley County and western Dewey County until 10:15 PM MDT on June 18.

Read this weather record in 30 seconds

Record type
Severe Thunderstorm Warning
Affected area
Central and North Central South Dakota
Issued
July 23, 2026
Issuing authority
NWS Aberdeen SD

Storm notices can cover different combinations of wind, hail, lightning, and rainfall. Use the original notice for the hazards and boundaries attached to this specific record.

Record status: historical. It was issued 4 weeks ago; use the issuing agency's live warning service for current conditions in Central and North Central South Dakota.

Alert Details

A Severe Thunderstorm Warning (SVR) has been issued by the National Weather Service in Aberdeen SD. The alert is effective from June 18 at 9:12 PM MDT until June 18 at 10:15 PM MDT.

Affected Areas

The warning covers Northwestern Stanley County in central South Dakota and Western Dewey County in north central South Dakota. Severe thunderstorms were located along a line extending from 6 miles northeast of Glad Valley to near Dupree to near Milesville, moving east at 40 mph. Locations in the path include Lantry, Isabel, Bear Creek, Firesteel, Green Grass, Eagle Butte, Timber Lake, Little Moreau Rec Area, Parade, Sansarc, White Horse and Glencross.

What You Should Do

For your protection move to an interior room on the lowest floor of a building. To report severe weather, contact your nearest law enforcement agency.

Expected Conditions

At 9:11 PM MDT, radar indicated severe thunderstorms with 60 mph wind gusts. Hail up to 0.75 inches is possible. Expect damage to roofs, siding, and trees.

Timeline

The warning is in effect from 9:12 PM MDT to 10:15 PM MDT on June 18, 2026.

Original source: NOAA Official Notice ↗

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Nationwide notices with similar length or severity timing 8

Two Areazine-derived peer sets for this NWS weather alert: nearest notices by body length and by same severity near the same agency date. Peers come from other categories so they are not the same-feed Related list above.

Frequently Asked Questions

Common questions about this NWS weather alert.

What is this NWS weather alert about?
NWS Aberdeen has issued a Severe Thunderstorm Warning for northwestern Stanley County and western Dewey County until 10:15 PM MDT on June 18.
Which agency issued this alert?
This alert was issued by NOAA. The original notice is available at the source link at the bottom of this article.
How severe is this alert?
This alert is classified as "high" severity. Take precautions and monitor for updates.
What area is affected?
This alert affects Central and North Central South Dakota. Check with NOAA for the most current geographic scope.
Where can I find more Weather Alerts updates?
Browse the full Weather Alerts feed on Areazine at areazine.com/weather/ for the latest updates from NOAA and other agencies.