434
WUUS53 KUNR 160006
SVRUNR
SDC019-033-081-103-WYC011-045-160045-
/O.NEW.KUNR.SV.W.0378.250916T0006Z-250916T0045Z/

BULLETIN - IMMEDIATE BROADCAST REQUESTED
Severe Thunderstorm Warning
National Weather Service Rapid City SD
606 PM MDT Mon Sep 15 2025

The National Weather Service in Rapid City has issued a

* Severe Thunderstorm Warning for...
  Southwestern Butte County in northwestern South Dakota...
  Western Custer County in southwestern South Dakota...
  Western Lawrence County in west central South Dakota...
  Southwestern Pennington County in west central South Dakota...
  Northeastern Weston County in northeastern Wyoming...
  Southeastern Crook County in northeastern Wyoming...

* Until 645 PM MDT.

* At 605 PM MDT, severe thunderstorms were located along a line
  extending from 3 miles southwest of Warren Peak to 5 miles north of
  Dewey, moving northeast at 40 mph.

  HAZARD...70 mph wind gusts.

  SOURCE...Radar indicated.

  IMPACT...Expect considerable tree damage. Damage is likely to
           mobile homes, roofs, and outbuildings.

* Locations impacted include...
  Spearfish, Newcastle, Lead, Custer, Sundance, Hill City, Dewey,
  Deadwood, Central City, Pringle, Beulah, Rochford, Aladdin, Moon,
  Brownsville, Moskee, Deerfield, Cheyenne Crossing, Flag Mountain,
  and Mystic.

This includes...
 Interstate 90 in South Dakota between Mile Markers 1 and 14.
 Interstate 90 in Wyoming between Mile Markers 178 and 207.

PRECAUTIONARY/PREPAREDNESS ACTIONS...

For your protection move to an interior room on the lowest floor of a
building.

&&

LAT...LON 4473 10397 4364 10329 4352 10403 4448 10462
TIME...MOT...LOC 0005Z 240DEG 36KT 4445 10450 4360 10400

THUNDERSTORM DAMAGE THREAT...CONSIDERABLE
HAIL THREAT...RADAR INDICATED
MAX HAIL SIZE...<.75 IN
WIND THREAT...RADAR INDICATED
MAX WIND GUST...70 MPH

$$

GM