Headline:
Special Weather Statement issued August 17 at 5:01PM MDT by NWS Riverton WY
Event:
Special Weather Statement
Urgency:
Expected
Effective:
August 17, 2026 - 4:01pm
Expires:
August 17, 2026 - 4:45pm
Description:
At 501 PM MDT, Doppler radar was tracking a cluster of strong
thunderstorms over West Entrance, which is near West Yellowstone,
moving east at 25 mph.
HAZARD...Wind gusts up to 50 mph and half inch hail.
SOURCE...Radar indicated.
IMPACT...Gusty winds could knock down tree limbs and blow around
unsecured objects. Minor hail damage to vegetation is
possible.
This strong thunderstorm will be near...
Firehole Canyon and Harlequin Lake around 520 PM MDT.
Other locations in the path of this storm include Madison and Gibbons
Falls.
Instruction:
If outdoors, consider seeking shelter inside a building.
Frequent cloud to ground lightning is occurring with this storm.
Lightning can strike 10 miles away from a thunderstorm. Seek a safe
shelter inside a building or vehicle.
Area Description:
Yellowstone National Park
Forcast Office:
NWS Riverton WY
Sender:
w-nws.webmaster@noaa.gov