Headline:
Special Weather Statement issued August 18 at 4:32PM MDT by NWS Riverton WY
Event:
Special Weather Statement
Urgency:
Expected
Effective:
August 18, 2026 - 3:32pm
Expires:
August 18, 2026 - 4:00pm
Description:
At 432 PM MDT, Doppler radar was tracking a strong thunderstorm near
Southeast Arm Of Lake Yellowstone, which is 13 miles southwest of
East Entrance, moving southeast at 40 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 storm will remain over mainly rural areas of central Park and
east central Teton Counties.
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.
Persons in campgrounds should consider seeking sturdy shelter until
this storm passes.
Area Description:
Yellowstone National Park; Absaroka Mountains
Forcast Office:
NWS Riverton WY
Sender:
w-nws.webmaster@noaa.gov