136
WWUS85 KRIW 180654
SPSRIW

Special Weather Statement
National Weather Service Riverton WY
1254 AM MDT Fri Sep 18 2026

WYZ012-013-023-180745-
Star Valley-Jackson Hole-Teton and Gros Ventre Mountains-
1254 AM MDT Fri Sep 18 2026

...A STRONG THUNDERSTORM WILL IMPACT NORTHWESTERN LINCOLN AND
SOUTHWESTERN TETON COUNTIES THROUGH 145 AM MDT...

At 1254 AM MDT, Doppler radar was tracking a strong thunderstorm near
Palisades Reservoir, moving northeast at 35 mph.

HAZARD...Wind gusts up to 40 mph and penny 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.

Locations impacted include...
  Rafter J Ranch and Jackson.

PRECAUTIONARY/PREPAREDNESS ACTIONS...

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.

&&

LAT...LON 4348 11104 4358 11072 4329 11057 4327 11058
      4318 11104
TIME...MOT...LOC 0654Z 246DEG 31KT 4330 11110

MAX HAIL SIZE...0.50 IN
MAX WIND GUST...40 MPH

$$

Hattings