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Home Return to list Severe Thunderstorm Warning 0063 Issued by the Riverton Forecast Office
Action: New Issued At: 2026-09-19 20:00:05
333
WUUS55 KRIW 200059
SVRRIW
WYC025-200130-
/O.NEW.KRIW.SV.W.0063.260920T0059Z-260920T0130Z/
BULLETIN - IMMEDIATE BROADCAST REQUESTED
Severe Thunderstorm Warning
National Weather Service Riverton WY
659 PM MDT Sat Sep 19 2026
The National Weather Service in Riverton has issued a
* Severe Thunderstorm Warning for...
Northeastern Natrona County in central Wyoming...
* Until 730 PM MDT.
* At 659 PM MDT, a severe thunderstorm was located near Goldeneye
Reservoir, which is 22 miles northwest of Casper, moving east at 20
mph.
HAZARD...60 mph wind gusts, quarter size hail, and accumulating
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
northeastern Natrona County.
PRECAUTIONARY/PREPAREDNESS ACTIONS...
For your protection move to an interior room on the lowest floor of a
building.
Torrential rainfall is occurring with this storm, and may lead to
flash flooding. Do not drive your vehicle through flooded roadways.
&&
LAT...LON 4299 10676 4309 10678 4316 10650 4296 10645
TIME...MOT...LOC 0059Z 262DEG 17KT 4305 10666
TORNADO...POSSIBLE
HAIL THREAT...RADAR INDICATED
MAX HAIL SIZE...1.00 IN
WIND THREAT...RADAR INDICATED
MAX WIND GUST...60 MPH
$$
Rowe
Action: Continued Issued At: 2026-09-19 20:17:06
854
WWUS55 KRIW 200116
SVSRIW
Severe Weather Statement
National Weather Service Riverton WY
716 PM MDT Sat Sep 19 2026
WYC025-200130-
/O.CON.KRIW.SV.W.0063.000000T0000Z-260920T0130Z/
Natrona-
716 PM MDT Sat Sep 19 2026
...A SEVERE THUNDERSTORM WARNING REMAINS IN EFFECT UNTIL 730 PM MDT
FOR NORTHEASTERN NATRONA COUNTY...
At 716 PM MDT, a severe thunderstorm was located 8 miles east of
Goldeneye Reservoir, which is 19 miles northwest of Casper, moving
east at 20 mph.
HAZARD...60 mph wind gusts and quarter size hail.
SOURCE...Radar indicated.
IMPACT...Hail damage to vehicles is expected. Expect wind damage to
roofs, siding, and trees.
Locations impacted include...
Goldeneye Reservoir.
PRECAUTIONARY/PREPAREDNESS ACTIONS...
For your protection move to an interior room on the lowest floor of a
building.
Torrential rainfall is occurring with this storm, and may lead to
flash flooding. Do not drive your vehicle through flooded roadways.
&&
LAT...LON 4309 10678 4316 10650 4298 10646 4301 10676
TIME...MOT...LOC 0116Z 262DEG 17KT 4306 10655
TORNADO...POSSIBLE
HAIL THREAT...RADAR INDICATED
MAX HAIL SIZE...1.00 IN
WIND THREAT...RADAR INDICATED
MAX WIND GUST...60 MPH
$$
Rowe
Action: Expired Issued At: 2026-09-19 20:31:06 178 WWUS55 KRIW 200130 SVSRIW Severe Weather Statement National Weather Service Riverton WY 730 PM MDT Sat Sep 19 2026 WYC025-200140- /O.EXP.KRIW.SV.W.0063.000000T0000Z-260920T0130Z/ Natrona- 730 PM MDT Sat Sep 19 2026 ...THE SEVERE THUNDERSTORM WARNING FOR NORTHEASTERN NATRONA COUNTY HAS EXPIRED... The storm which prompted the warning has weakened below severe limits, and no longer poses an immediate threat to life or property. Therefore, the warning has been allowed to expire. However, heavy rain is still possible with this thunderstorm. To report severe weather, contact your nearest law enforcement agency. They will relay your report to the National Weather Service Riverton. && LAT...LON 4309 10678 4316 10650 4298 10646 4301 10676 TIME...MOT...LOC 0130Z 262DEG 17KT 4306 10651 $$ TL | ||||||||||||||||||||||||||||||||||||||||||||||||||||||||||||||||||||||||||||||||||||||||||||||||||||||||||||||||||||||||||||||||||||||||||||||||||||||||||||||||||||||||||||||||||||||||||||||||||||||||