Headline:
Special Weather Statement issued August 15 at 1:13PM MDT by NWS Riverton WY
Event:
Special Weather Statement
Urgency:
Expected
Effective:
August 15, 2026 - 12:13pm
Expires:
August 15, 2026 - 12:45pm
Description:
At 112 PM MDT, Doppler radar was tracking a cluster of strong
thunderstorms along a line extending from 7 miles southwest of South
Entrance to Grand Teton. Movement was northeast at 20 mph.
HAZARD...Wind gusts up to 40 mph and pea size hail.
SOURCE...Radar indicated.
IMPACT...Gusty winds could knock down tree limbs and blow around
unsecured objects. Minor hail damage to vegetation is
possible.
Strong thunderstorms will be near...
Grand Teton, Moran Bay, and Leigh Lake around 115 PM MDT.
Colter Bay Village around 125 PM MDT.
Instruction:
If outdoors, consider seeking shelter inside a building.
If on or near lakes within Grand Teton National Park, get out of the
water and move indoors or inside a vehicle. Remember, lightning can
strike out to 10 miles from the parent thunderstorm. If you can hear
thunder, you are close enough to be struck by lightning. Move to
safe shelter now! Do not be caught on the water in a thunderstorm.
Persons in campgrounds should consider seeking sturdy shelter until
these storms pass.
Area Description:
Teton and Gros Ventre Mountains; Jackson Hole
Forcast Office:
NWS Riverton WY
Sender:
w-nws.webmaster@noaa.gov