563
WWUS75 KBYZ 140926
NPWBYZ
URGENT - WEATHER MESSAGE
NATIONAL WEATHER SERVICE BILLINGS MT
326 AM MDT TUE JUL 14 2026
MTZ029>031-034-042-056-057-138-139-169-170-173-235-150600-
/O.CON.KBYZ.XH.W.0001.000000T0000Z-260715T0600Z/
MUSSELSHELL-TREASURE-NORTHERN ROSEBUD-NORTHERN STILLWATER-GOLDEN
VALLEY-RED LODGE FOOTHILLS-NORTHERN BIG HORN-SOUTHERN BIG HORN-
SOUTHEASTERN CARBON-BIGHORN CANYON-NORTHERN CARBON-NORTHEASTERN
YELLOWSTONE-SOUTHWESTERN YELLOWSTONE-
INCLUDING THE LOCATIONS OF COLSTRIP, COLUMBUS, HARDIN, FORT SMITH,
ROUNDUP, JOLIET, HYSHAM, BRIDGER, CROW AGENCY, FROMBERG, LAVINA,
PRYOR, RYEGATE, BILLINGS, LODGE GRASS, CUSTER, ABSAROKEE, POMPEYS
PILLAR, FORSYTH, AND RED LODGE
326 AM MDT TUE JUL 14 2026
...EXTREME HEAT WARNING REMAINS IN EFFECT UNTIL MIDNIGHT MDT
TONIGHT...
* WHAT...VERY HOT DAYTIME TEMPERATURES COMBINED WITH WARM OVERNIGHT
LOWS WILL PRODUCE CUMULATIVE HEAT STRESS.
* WHERE...PORTIONS OF CENTRAL, SOUTH CENTRAL, AND SOUTHEAST MONTANA.
* WHEN...UNTIL MIDNIGHT MDT TONIGHT.
* IMPACTS...HEAT RELATED ILLNESSES INCREASE SIGNIFICANTLY DURING
EXTREME HEAT EVENTS.
* ADDITIONAL DETAILS...IT WILL BE VERY HOT TODAY WITH HIGH
TEMPERATURES OF 96 TO 103.
PRECAUTIONARY/PREPAREDNESS ACTIONS...
DRINK PLENTY OF FLUIDS, STAY IN AN AIR-CONDITIONED ROOM, STAY OUT OF
THE SUN, PLAN OUTDOOR ACTIVITIES DURING THE EARLY MORNING AND LATE
EVENING HOURS, 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.
MTZ032-033-036-037-058-WYZ199-150930-
/O.CON.KBYZ.XH.W.0001.000000T0000Z-260716T0600Z/
CUSTER-FALLON-POWDER RIVER-CARTER-SOUTHERN ROSEBUD-SHERIDAN
FOOTHILLS-
INCLUDING THE LOCATIONS OF EKALAKA, LAME DEER, BAKER, MILES CITY,
SHERIDAN, AND BROADUS
326 AM MDT TUE JUL 14 2026
...EXTREME HEAT WARNING REMAINS IN EFFECT UNTIL MIDNIGHT MDT
WEDNESDAY NIGHT...
* WHAT...VERY HOT DAYTIME TEMPERATURES COMBINED WITH WARM OVERNIGHT
LOWS WILL PRODUCE CUMULATIVE HEAT STRESS.
* WHERE...PORTIONS OF SOUTHEAST MONTANA AND NORTH CENTRAL WYOMING.
* WHEN...UNTIL MIDNIGHT MDT WEDNESDAY NIGHT.
* IMPACTS...HEAT RELATED ILLNESSES INCREASE SIGNIFICANTLY DURING
EXTREME HEAT EVENTS.
* ADDITIONAL DETAILS...IT WILL BE VERY HOT TODAY AND WEDNESDAY WITH
HIGH TEMPERATURES OF 98 TO 105. VERY WARM NIGHTTIME TEMPS WILL
PROVIDE ONLY LIMITED RELIEF.
PRECAUTIONARY/PREPAREDNESS ACTIONS...
DRINK PLENTY OF FLUIDS, STAY IN AN AIR-CONDITIONED ROOM, STAY OUT OF
THE SUN, PLAN OUTDOOR ACTIVITIES DURING THE EARLY MORNING AND LATE
EVENING HOURS, 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.
ADDITIONAL GRAPHICS FOR THIS HAZARD CAN BE FOUND AT
HTTP://WWW.WEATHER.GOV/BILLINGS
LESTER
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