WWUS75 KRIW 091611
NPWRIW

URGENT - WEATHER MESSAGE
National Weather Service Riverton WY
1011 AM MDT Thu Jul 9 2026

WYZ003>006-010-011-013-016>020-023-025>030-101400-
/O.NEW.KRIW.XH.A.0001.260711T1800Z-260714T0300Z/
Cody Foothills-North Bighorn Basin-Southwest Bighorn Basin-
Southeast Bighorn Basin-Northeast Johnson County-Southeast
Johnson County-Jackson Hole-Upper Wind River Basin-Wind River
Basin-Lander Foothills-Green Mountains and Rattlesnake Range-
Natrona County Lower Elevations-Star Valley-Upper Green River
Basin Foothills-Upper Green River Basin-South Lincoln County-Rock
Springs and Green River-Flaming Gorge-East Sweetwater County-
Including the cities of Riverton, Afton, Shoshoni, Kemmerer, Jeffrey
City, Buffalo, Pinedale, Meeteetse, Thermopolis, Big Piney, Powell,
Ten Sleep, Lovell, Dubois, Clark, Kaycee, Cokeville, Worland, Rock
Springs, Alpine, Star Valley Ranch, Green River, Lander, Jackson,
Cody, Thayne, Casper, Farson, La Barge, Wamsutter, Greybull, Basin,
and Shell
1011 AM MDT Thu Jul 9 2026

...EXTREME HEAT WATCH IN EFFECT FROM SATURDAY AFTERNOON THROUGH
MONDAY EVENING...

* WHAT...Dangerously hot conditions with heat index values up to 100
  to 110 degrees possible.

* WHERE...Portions of central, north central, northwest, south
  central, southwest, and west central Wyoming.

* WHEN...From Saturday afternoon through Monday evening.

* IMPACTS...Heat related illnesses increase significantly during
  extreme heat and high humidity events.

PRECAUTIONARY/PREPAREDNESS ACTIONS...

Drink plenty of fluids, stay in an air-conditioned room, stay out of
the sun, and check up on relatives and neighbors.

&&

$$

Lowe