593
WWUS75 KBYZ 311829
NPWBYZ
URGENT - WEATHER MESSAGE
NATIONAL WEATHER SERVICE BILLINGS MT
1229 PM MDT FRI JUL 31 2026
MTZ029>034-036-037-040-042-056>058-063>066-138-139-141-169-170-172-
173-228-235-WYZ199-011830-
/O.UPG.KBYZ.XH.A.0003.260801T1800Z-260802T0600Z/
/O.NEW.KBYZ.XH.W.0003.260801T1800Z-260802T0600Z/
MUSSELSHELL-TREASURE-NORTHERN ROSEBUD-CUSTER-FALLON-NORTHERN
STILLWATER-POWDER RIVER-CARTER-NORTHERN PARK-GOLDEN VALLEY-RED
LODGE FOOTHILLS-NORTHERN BIG HORN-SOUTHERN ROSEBUD-JUDITH GAP-
PARADISE VALLEY-LIVINGSTON AREA-BEARTOOTH FOOTHILLS-SOUTHERN BIG
HORN-SOUTHEASTERN CARBON-NORTHERN SWEET GRASS-BIGHORN CANYON-
NORTHERN CARBON-MELVILLE FOOTHILLS-NORTHEASTERN YELLOWSTONE-
SOUTHERN WHEATLAND-SOUTHWESTERN YELLOWSTONE-SHERIDAN FOOTHILLS-
INCLUDING THE LOCATIONS OF LODGE GRASS, NYE, EMIGRANT, JUDITH GAP,
LIVINGSTON, DEAN, MINER, FORT SMITH, CROW AGENCY, RYEGATE, HARDIN,
HYSHAM, BROADUS, CORWIN SPRINGS, PRAY, PRYOR, COLUMBUS, POMPEYS
PILLAR, MC LEOD, BAKER, BRIDGER, LAVINA, ROUNDUP, MELVILLE, EKALAKA,
BIG TIMBER, RED LODGE, PINE CREEK, CUSTER, FROMBERG, MILES CITY,
HARLOWTON, CHICO, FORSYTH, BILLINGS, SHERIDAN, LAME DEER, CLYDE PARK,
ABSAROKEE, LIMESTONE, COLSTRIP, FISHTAIL, AND JOLIET
1229 PM MDT FRI JUL 31 2026
...EXTREME HEAT WARNING IN EFFECT FROM NOON SATURDAY TO MIDNIGHT MDT
SATURDAY NIGHT...
* WHAT...DANGEROUSLY HOT CONDITIONS WITH HIGH TEMPERATURES OF 100 TO
108 EXPECTED.
* WHERE...PORTIONS OF CENTRAL, SOUTH CENTRAL, AND SOUTHEAST MONTANA
AND NORTH CENTRAL WYOMING.
* WHEN...FROM NOON SATURDAY TO MIDNIGHT MDT SATURDAY NIGHT.
* IMPACTS...HEAT RELATED ILLNESSES INCREASE SIGNIFICANTLY DURING
EXTREME HEAT EVENTS.
* ADDITIONAL DETAILS...LOW TEMPERATURES ARE EXPECTED TO BE IN THE 70S
FOR SOME LOCATIONS EAST OF BILLINGS SATURDAY NIGHT BRINGING LIMITED
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.
ADDITIONAL GRAPHICS FOR THIS HAZARD CAN BE FOUND AT
HTTP://WWW.WEATHER.GOV/BILLINGS
TORGERSON
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