222 
WUUS55 KRIW 251800
SVRRIW
WYC035-251845-
/O.NEW.KRIW.SV.W.0031.260625T1800Z-260625T1845Z/

BULLETIN - IMMEDIATE BROADCAST REQUESTED
Severe Thunderstorm Warning
National Weather Service Riverton WY
1200 PM MDT Thu Jun 25 2026

The National Weather Service in Riverton has issued a

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

* Until 1245 PM MDT.

* At 1200 PM MDT, a severe thunderstorm was located 18 miles
  southwest of Big Sandy, which is 20 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
  southeastern Sublette County.

PRECAUTIONARY/PREPAREDNESS ACTIONS...

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

Large hail, damaging wind, and continuous cloud to ground lightning
are occurring with this storm. Move indoors immediately. Lightning is
one of natures leading killers. Remember, if you can hear thunder,
you are close enough to be struck by lightning.

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

&&

LAT...LON 4235 10985 4254 10986 4262 10923 4227 10921
TIME...MOT...LOC 1800Z 270DEG 27KT 4245 10974 

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

$$

McDonald

725 
WWUS55 KRIW 251818
SVSRIW

Severe Weather Statement
National Weather Service Riverton WY
1218 PM MDT Thu Jun 25 2026

WYC035-251845-
/O.CON.KRIW.SV.W.0031.000000T0000Z-260625T1845Z/
Sublette-
1218 PM MDT Thu Jun 25 2026

...A SEVERE THUNDERSTORM WARNING REMAINS IN EFFECT UNTIL 1245 PM MDT
FOR SOUTHEASTERN SUBLETTE COUNTY...

At 1218 PM MDT, a severe thunderstorm was located 13 miles south of
Big Sandy, which is 24 miles north of Farson, 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
southeastern Sublette County.

PRECAUTIONARY/PREPAREDNESS ACTIONS...

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

Continuous cloud to ground lightning is occurring with this storm.
Move indoors immediately. Lightning is one of natures leading
killers. Remember, if you can hear thunder, you are close enough to
be struck by lightning.

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

&&

LAT...LON 4233 10970 4256 10971 4262 10923 4227 10921
TIME...MOT...LOC 1818Z 270DEG 27KT 4245 10956 

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

$$

McDonald

307 
WWUS55 KRIW 251833
SVSRIW

Severe Weather Statement
National Weather Service Riverton WY
1233 PM MDT Thu Jun 25 2026

WYC035-251845-
/O.CON.KRIW.SV.W.0031.000000T0000Z-260625T1845Z/
Sublette-
1233 PM MDT Thu Jun 25 2026

...A SEVERE THUNDERSTORM WARNING REMAINS IN EFFECT UNTIL 1245 PM MDT
FOR SOUTHEASTERN SUBLETTE COUNTY...

At 1233 PM MDT, a severe thunderstorm was located 8 miles north of
Big Sandy Recreational Area, which is 17 miles north of Farson,
moving east at 30 mph.

HAZARD...60 mph wind gusts and half dollar 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
southeastern Sublette County.

PRECAUTIONARY/PREPAREDNESS ACTIONS...

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

Continuous cloud to ground lightning is occurring with this storm.
Move indoors immediately. Lightning is one of natures leading
killers. Remember, if you can hear thunder, you are close enough to
be struck by lightning.

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

&&

LAT...LON 4232 10959 4249 10955 4256 10923 4227 10921
TIME...MOT...LOC 1833Z 291DEG 26KT 4236 10945 

TORNADO...POSSIBLE
HAIL THREAT...RADAR INDICATED
MAX HAIL SIZE...1.25 IN
WIND THREAT...RADAR INDICATED
MAX WIND GUST...60 MPH

$$

McDonald