Headline:
Special Weather Statement issued August 23 at 5:43PM MDT by NWS Riverton WY
Event:
Special Weather Statement
Urgency:
Expected
Effective:
August 23, 2026 - 4:43pm
Expires:
August 23, 2026 - 5:15pm
Description:
At 543 PM MDT, Doppler radar was tracking a strong thunderstorm near
Gallatin Lake, which is 11 miles northeast of West Yellowstone,
moving east at 30 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...
Gallatin Lake around 550 PM MDT.
Grizzly Lake around 600 PM MDT.
Other locations in the path of this storm include Obsidian Cliff and
Twin Lakes.
Instruction:
If outdoors, consider seeking shelter inside a building.
Torrential rainfall is also occurring with this storm and may lead to
localized flooding. Do not drive your vehicle through flooded
roadways.
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.
This storm may intensify, so be certain to monitor local radio
stations and available television stations for additional information
and possible warnings from the National Weather Service.
Persons in campgrounds should consider seeking sturdy shelter until
this storm passes.
Area Description:
Yellowstone National Park
Forcast Office:
NWS Riverton WY
Sender:
w-nws.webmaster@noaa.gov