508 
WUUS55 KRIW 251732
SVRRIW
WYC035-251800-
/O.NEW.KRIW.SV.W.0030.260625T1732Z-260625T1800Z/

BULLETIN - IMMEDIATE BROADCAST REQUESTED
Severe Thunderstorm Warning
National Weather Service Riverton WY
1132 AM MDT Thu Jun 25 2026

The National Weather Service in Riverton has issued a

* Severe Thunderstorm Warning for...
  South central Sublette County in west central Wyoming...

* Until noon MDT.

* At 1132 AM MDT, a severe thunderstorm was located 10 miles
  southeast of Marbleton, which is 10 miles east of Big Piney, moving
  east at 30 mph.

  HAZARD...60 mph wind gusts and quarter size hail.

  SOURCE...Radar indicated.

  IMPACT...Hail damage to vehicles is expected. Expect wind damage 
           to roofs, siding, and trees.

* This severe thunderstorm will remain over mainly rural areas of
  south central Sublette County.

PRECAUTIONARY/PREPAREDNESS ACTIONS...

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. They will send your report to the National Weather Service
office in Riverton.

Torrential rainfall is occurring with this storm, and may lead to
flash flooding. Do not drive your vehicle through flooded roadways.

&&

LAT...LON 4239 10999 4247 11003 4256 11000 4261 10966
      4235 10960
TIME...MOT...LOC 1732Z 266DEG 26KT 4249 10992 

HAIL THREAT...RADAR INDICATED
MAX HAIL SIZE...1.00 IN
WIND THREAT...RADAR INDICATED
MAX WIND GUST...60 MPH

$$

Gerhardt

915 
WWUS55 KRIW 251750
SVSRIW

Severe Weather Statement
National Weather Service Riverton WY
1150 AM MDT Thu Jun 25 2026

WYC035-251800-
/O.CON.KRIW.SV.W.0030.000000T0000Z-260625T1800Z/
Sublette-
1150 AM MDT Thu Jun 25 2026

...A SEVERE THUNDERSTORM WARNING REMAINS IN EFFECT UNTIL NOON MDT FOR
SOUTH CENTRAL SUBLETTE COUNTY...

At 1149 AM MDT, a severe thunderstorm was located 16 miles east of
Marbleton, which is 16 miles east of Big Piney, moving east at 35
mph.

HAZARD...60 mph wind gusts and quarter size hail.

SOURCE...Radar indicated.

IMPACT...Hail damage to vehicles is expected. Expect wind damage to 
         roofs, siding, and trees.

This severe thunderstorm will remain over mainly rural areas of south
central Sublette County.

PRECAUTIONARY/PREPAREDNESS ACTIONS...

Remain alert for a possible tornado! Tornadoes can develop quickly
from severe thunderstorms. If you spot a tornado go at once into the
basement or small central room in a sturdy structure.

To report severe weather contact your nearest law enforcement agency.
They will send your report to the National Weather Service office in
Riverton.

Torrential rainfall is occurring with this storm, and may lead to
flash flooding. Do not drive your vehicle through flooded roadways.

&&

LAT...LON 4239 10997 4246 11001 4257 10992 4261 10966
      4235 10960
TIME...MOT...LOC 1749Z 266DEG 30KT 4247 10981 

TORNADO...POSSIBLE
HAIL THREAT...RADAR INDICATED
MAX HAIL SIZE...1.00 IN
WIND THREAT...RADAR INDICATED
MAX WIND GUST...60 MPH

$$

Gerhardt