976 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. && $$ Lowe  139 WWUS74 KJAN 091615 NPWJAN URGENT - WEATHER MESSAGE National Weather Service Jackson MS 1115 AM CDT Thu Jul 9 2026 MSZ018-019-025-034-100100- /O.NEW.KJAN.HT.Y.0005.260709T1615Z-260710T0100Z/ Bolivar-Sunflower-Leflore-Washington- Including the cities of Cleveland, Indianola, Ruleville, Greenville, and Greenwood 1115 AM CDT Thu Jul 9 2026 ...HEAT ADVISORY IN EFFECT UNTIL 8 PM CDT THIS EVENING... * WHAT...Heat index values up to 110. * WHERE...Portions of north central and northwest Mississippi. * WHEN...Until 8 PM CDT this evening. * IMPACTS...Hot temperatures and high humidity may cause heat illnesses. PRECAUTIONARY/PREPAREDNESS ACTIONS... Drink plenty of fluids, stay in an air-conditioned room, stay out of the sun, and check up on relatives and neighbors. Take extra precautions when outside. Wear lightweight and loose fitting clothing. Try to limit strenuous activities to early morning or evening. Take action when you see symptoms of heat exhaustion and heat stroke. To reduce risk during outdoor work, the Occupational Safety and Health Administration recommends scheduling frequent rest breaks in shaded or air conditioned environments. Anyone overcome by heat should be moved to a cool and shaded location. Heat stroke is an emergency! Call 9 1 1. Monitor the latest forecasts and warnings for updates. && $$ 22  249 WWUS74 KLZK 091616 NPWLZK URGENT - WEATHER MESSAGE National Weather Service Little Rock AR 1116 AM CDT Thu Jul 9 2026 ARZ016-025-033-034-045>047-057-065-100830- /O.NEW.KLZK.HT.Y.0008.260709T1800Z-260711T0100Z/ Independence-Jackson-White-Woodruff-Lonoke-Prairie-Monroe- Arkansas-Desha- Including the cities of Searcy, Brinkley, Beebe, Newport, McCrory, Cabot, Hazen, Clarendon, De Witt, Stuttgart, De Valls Bluff, Lonoke, Des Arc, Dumas, Cotton Plant, McGehee, Batesville, and Augusta 1116 AM CDT Thu Jul 9 2026 ...HEAT ADVISORY IN EFFECT UNTIL 8 PM CDT FRIDAY... * WHAT...Heat index values up to 109 expected. * WHERE...Lonoke, Prairie, White, Jackson, Monroe, Woodruff, Independence, Arkansas, and Desha Counties. * WHEN...Until 8 PM CDT Friday. * IMPACTS...Hot temperatures and high humidity may cause heat illnesses. 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. && $$ 67  415 WWUS74 KMEG 091622 NPWMEG URGENT - WEATHER MESSAGE National Weather Service Memphis TN 1122 AM CDT Thu Jul 9 2026 ARZ026>028-035-036-048-049-058-MSZ007-010-011-020-100530- /O.NEW.KMEG.HT.Y.0006.260709T1800Z-260711T0100Z/ Craighead-Poinsett-Mississippi-Cross-Crittenden-St. Francis-Lee AR-Phillips-Tunica-Coahoma-Quitman-Tallahatchie- Including the cities of Jonesboro, Marks, Forrest City, Clarksdale, Blytheville, West Memphis, Helena-West Helena, Tunica, Harrisburg, Charleston, Wynne, and Marianna 1122 AM CDT Thu Jul 9 2026 ...HEAT ADVISORY IN EFFECT UNTIL 8 PM CDT FRIDAY... * WHAT...Heat index values up to 108 expected. * WHERE...Portions of East Arkansas and North Mississippi. * WHEN...Until 8 PM CDT Friday. * IMPACTS...Hot temperatures and high humidity may cause heat illnesses. PRECAUTIONARY/PREPAREDNESS ACTIONS... Drink plenty of fluids, stay in an air-conditioned room, stay out of the sun, and check up on relatives and neighbors. Take extra precautions when outside. Wear lightweight and loose fitting clothing. Try to limit strenuous activities to early morning or evening. Take action when you see symptoms of heat exhaustion and heat stroke. && $$ AC3  403 WWUS75 KSLC 091655 NPWSLC URGENT - WEATHER MESSAGE National Weather Service Salt Lake City UT 1055 AM MDT Thu Jul 9 2026 UTZ101>108-114-116-118>121-100900- /O.UPG.KSLC.XH.A.0001.260711T1800Z-260713T0300Z/ /O.NEW.KSLC.XH.W.0001.260711T1800Z-260714T1200Z/ Great Salt Lake Desert and Mountains-Tooele and Rush Valleys- Eastern Box Elder County-Northern Wasatch Front-Salt Lake Valley- Utah Valley-Cache Valley/Utah Portion-Wasatch Back-Western Uinta Basin-Eastern Juab/Millard Counties-Sanpete Valley-Sevier Valley- Castle Country-San Rafael Swell- Including the following locations - Green River, Salina, Lehi, Emery, Richfield, Vernon, Huntsville, Logan, Snowville, Park City, Brigham City, Smithfield, Grantsville, Ephraim, Goblin Valley, Nephi, Tooele, Duchesne, Payson, Roosevelt, Provo, Manti, Scipio, Heber City, Sandy, Wendover, Ogden, Park Valley, Salt Lake City, Bountiful, Price, Fillmore, Castle Dale, Dugway, Mt Pleasant, and West Jordan 1055 AM MDT Thu Jul 9 2026 ...EXTREME HEAT WARNING IN EFFECT FROM NOON SATURDAY TO 6 AM MDT TUESDAY... * WHAT...Dangerously hot conditions with temperatures up to 105 possible for the valleys of northern Utah, including the Wasatch Front and Cache Valley. Highs around 100 possible for the mountain valleys of northern and central Utah, including the Wasatch Back, along Castle Country, the Uinta Basin, and the San Rafael Swell. * WHERE...Portions of central and northern Utah. * WHEN...From noon Saturday to 6 AM MDT Tuesday. * IMPACTS...Heat related illnesses increase significantly during extreme heat events. * ADDITIONAL DETAILS...There is high confidence that temperatures will warm to values challenging daily and monthly high temperature records Saturday and Sunday afternoons as high pressure builds. Overnight lows in the lower to mid 70s for many valley locations will provide little in the way of overnight relief. 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. Do not leave young children and pets in unattended vehicles. Car interiors will reach lethal temperatures in a matter of minutes. Take extra precautions when outside. Wear lightweight and loose fitting clothing. Try to limit strenuous activities to early morning or evening. Take action when you see symptoms of heat exhaustion and heat stroke. To reduce risk during outdoor work, the Occupational Safety and Health Administration recommends scheduling frequent rest breaks in shaded or air conditioned environments. Anyone overcome by heat should be moved to a cool and shaded location. Heat stroke is an emergency! Call 9 1 1. && $$ UTZ115-122-128>131-100900- /O.UPG.KSLC.XH.A.0001.260711T1800Z-260713T0300Z/ /O.NEW.KSLC.XH.W.0001.260711T1800Z-260713T1200Z/ Western Millard and Juab Counties-Southwest Utah-South Central Utah-Capitol Reef National Park and Vicinity-Western Canyonlands- Glen Canyon Recreation Area/Lake Powell- Including the following locations - Hanksville, Little Sahara, Delta, Milford, Big Water, Cedar City, Escalante, Beaver, Loa, Kanab, Bullfrog, and Torrey 1055 AM MDT Thu Jul 9 2026 ...EXTREME HEAT WARNING IN EFFECT FROM NOON SATURDAY TO 6 AM MDT MONDAY... * WHAT...Dangerously hot conditions expected, with highs around 100 possible for most central and southern Utah valleys and up to 110 for Lower Washington County and Glen Canyon Recreation Area. * WHERE...Western Millard and Juab Counties, Capitol Reef National Park and Vicinity, Glen Canyon Recreation Area/Lake Powell, South Central Utah, Western Canyonlands, and Southwest Utah. * WHEN...From noon Saturday to 6 AM MDT Monday. * IMPACTS...Heat related illnesses increase significantly during extreme heat events.* ADDITIONAL DETAILS...There is high confidence that temperatures will warm to values challenging daily and monthly high temperature records Saturday and Sunday afternoons as high pressure builds. Overnight lows in the lower to mid 70s for many valley locations, except low 80s for lower Washington County, will provide little in the way of overnight relief. 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. Do not leave young children and pets in unattended vehicles. Car interiors will reach lethal temperatures in a matter of minutes. Take extra precautions when outside. Wear lightweight and loose fitting clothing. Try to limit strenuous activities to early morning or evening. Take action when you see symptoms of heat exhaustion and heat stroke. To reduce risk during outdoor work, the Occupational Safety and Health Administration recommends scheduling frequent rest breaks in shaded or air conditioned environments. Anyone overcome by heat should be moved to a cool and shaded location. Heat stroke is an emergency! Call 9 1 1. && $$ WYZ021-100900- /O.NEW.KSLC.HT.Y.0002.260712T1800Z-260714T0300Z/ Southwest Wyoming- Including the following locations - Lyman and Evanston 1055 AM MDT Thu Jul 9 2026 ...HEAT ADVISORY IN EFFECT FROM NOON SUNDAY TO 9 PM MDT MONDAY... * WHAT...Temperatures up to 98 expected. * WHERE...Southwest Wyoming. * WHEN...From noon Sunday to 9 PM MDT Monday. * IMPACTS...Hot temperatures may cause heat illnesses. 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. Take extra precautions when outside. Wear lightweight and loose fitting clothing. Try to limit strenuous activities to early morning or evening. Take action when you see symptoms of heat exhaustion and heat stroke. To reduce risk during outdoor work, the Occupational Safety and Health Administration recommends scheduling frequent rest breaks in shaded or air conditioned environments. Anyone overcome by heat should be moved to a cool and shaded location. Heat stroke is an emergency! Call 9 1 1. && $$ For more information from the National Weather Service visit https://weather.gov/saltlakecity. For information on potential travel impacts visit http://udottraffic.utah.gov BW