781
WWUS75 KTFX 311806
NPWTFX
URGENT - WEATHER MESSAGE
NATIONAL WEATHER SERVICE GREAT FALLS MT
1206 PM MDT FRI JUL 31 2026
MTZ310-311-314-011215-
/O.UPG.KTFX.XH.A.0003.260801T1800Z-260802T1800Z/
/O.NEW.KTFX.XH.W.0002.260801T1800Z-260802T1800Z/
WESTERN AND CENTRAL CHOUTEAU COUNTY-BEARS PAW MOUNTAINS AND
SOUTHERN BLAINE-FERGUS COUNTY BELOW 4500FT-
INCLUDING THE CITIES OF HILGER, FLOWEREE, LEWISTOWN, FORT BENTON,
CARTER, AND ROCKY BOY
1206 PM MDT FRI JUL 31 2026
...EXTREME HEAT WARNING IN EFFECT FROM NOON SATURDAY TO NOON MDT
SUNDAY...
* WHAT...DANGEROUSLY HOT CONDITIONS. HIGH TEMPERATURES ON SATURDAY
BETWEEN 100 TO 110 DEGREES, WITH OVERNIGHT LOWS SATURDAY NIGHT
BETWEEN 70 TO 75 DEGREES.
* WHERE...BEARS PAW MOUNTAINS AND SOUTHERN BLAINE, FERGUS COUNTY
BELOW 4500FT, AND WESTERN AND CENTRAL CHOUTEAU COUNTY.
* WHEN...FROM NOON SATURDAY TO NOON MDT SUNDAY.
* IMPACTS...HEAT RELATED ILLNESSES INCREASE SIGNIFICANTLY DURING
EXTREME HEAT.
PRECAUTIONARY/PREPAREDNESS ACTIONS...
DO NOT LEAVE YOUNG CHILDREN AND PETS IN UNATTENDED VEHICLES. CAR
INTERIORS WILL REACH LETHAL TEMPERATURES IN A MATTER OF MINUTES.
DRINK PLENTY OF FLUIDS, STAY IN AN AIR-CONDITIONED ROOM, STAY OUT OF
THE SUN, AND CHECK UP ON RELATIVES AND NEIGHBORS. IF YOU MUST SPEND
TIME OUTDOORS, 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.
MTZ312-313-011215-
/O.UPG.KTFX.XH.A.0003.260801T1800Z-260802T0900Z/
/O.NEW.KTFX.XH.W.0002.260801T1800Z-260802T0900Z/
CASCADE COUNTY BELOW 5000FT-JUDITH BASIN COUNTY AND JUDITH GAP-
INCLUDING THE CITIES OF STANFORD, WINDHAM, MOCCASIN, BENCHLAND, GREAT
FALLS, GEYSER, HOBSON, AND RAYNESFORD
1206 PM MDT FRI JUL 31 2026
...EXTREME HEAT WARNING IN EFFECT FROM NOON SATURDAY TO 3 AM MDT
SUNDAY...
* WHAT...DANGEROUSLY HOT CONDITIONS. HIGH TEMPERATURES BETWEEN 100
AND 105 DEGREES EXPECTED.
* WHERE...CASCADE COUNTY BELOW 5000FT AND JUDITH BASIN COUNTY AND
JUDITH GAP.
* WHEN...FROM NOON SATURDAY TO 3 AM MDT SUNDAY.
* IMPACTS...HEAT RELATED ILLNESSES INCREASE SIGNIFICANTLY DURING
EXTREME HEAT.
PRECAUTIONARY/PREPAREDNESS ACTIONS...
DO NOT LEAVE YOUNG CHILDREN AND PETS IN UNATTENDED VEHICLES. CAR
INTERIORS WILL REACH LETHAL TEMPERATURES IN A MATTER OF MINUTES.
DRINK PLENTY OF FLUIDS, STAY IN AN AIR-CONDITIONED ROOM, STAY OUT OF
THE SUN, AND CHECK UP ON RELATIVES AND NEIGHBORS. IF YOU MUST SPEND
TIME OUTDOORS, 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.
MTZ325-326-011215-
/O.NEW.KTFX.XH.W.0002.260801T1800Z-260802T0900Z/
MADISON RIVER VALLEY-GALLATIN VALLEY-
INCLUDING THE CITIES OF NORRIS, ENNIS, CAMERON, GALLATIN GATEWAY,
JEFFERS, MCALLISTER, AND BOZEMAN
1206 PM MDT FRI JUL 31 2026
...EXTREME HEAT WARNING IN EFFECT FROM NOON SATURDAY TO 3 AM MDT
SUNDAY...
* WHAT...DANGEROUSLY HOT CONDITIONS. HIGH TEMPERATURES BETWEEN 100
AND 105 DEGREES EXPECTED.
* WHERE...GALLATIN VALLEY AND MADISON RIVER VALLEY.
* WHEN...FROM NOON SATURDAY TO 3 AM MDT SUNDAY.
* IMPACTS...HEAT RELATED ILLNESSES INCREASE SIGNIFICANTLY DURING
EXTREME HEAT AND HIGH HUMIDITY EVENTS.
PRECAUTIONARY/PREPAREDNESS ACTIONS...
DO NOT LEAVE YOUNG CHILDREN AND PETS IN UNATTENDED VEHICLES. CAR
INTERIORS WILL REACH LETHAL TEMPERATURES IN A MATTER OF MINUTES.
DRINK PLENTY OF FLUIDS, STAY IN AN AIR-CONDITIONED ROOM, STAY OUT OF
THE SUN, AND CHECK UP ON RELATIVES AND NEIGHBORS. IF YOU MUST SPEND
TIME OUTDOORS, 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.
MTZ303-011215-
/O.UPG.KTFX.HW.A.0024.260802T0300Z-260802T1800Z/
/O.NEW.KTFX.HW.W.0028.260802T0000Z-260802T1800Z/
/O.NEW.KTFX.HT.Y.0004.260801T1800Z-260802T0900Z/
EASTERN GLACIER, WESTERN TOOLE, AND CENTRAL PONDERA-
INCLUDING THE CITIES OF CUT BANK, SANTA RITA, AND ETHRIDGE
1206 PM MDT FRI JUL 31 2026
...HIGH WIND WARNING IN EFFECT FROM 6 PM SATURDAY TO NOON MDT
SUNDAY...
..HEAT ADVISORY IN EFFECT FROM NOON SATURDAY TO 3 AM MDT SUNDAY
* WHAT...FOR THE HEAT ADVISORY, HIGH TEMPERATURES UP TO 102 DEGREES
EXPECTED. FOR THE HIGH WIND WARNING, WEST WINDS 30 TO 40 MPH, WITH
GUSTS UP TO 60 MPH. ISOLATED WIND GUSTS UP TO 75 MPH ALONG THE
IMMEDIATE EASTERN SLOPES OF THE ROCKY MOUNTAIN FRONT.
* WHERE...EASTERN GLACIER, WESTERN TOOLE, AND CENTRAL PONDERA.
* WHEN...FOR THE HEAT ADVISORY, FROM NOON SATURDAY TO 3 AM MDT
SUNDAY. FOR THE HIGH WIND WARNING, FROM 6 PM SATURDAY TO NOON MDT
SUNDAY.
* IMPACTS...DAMAGING WINDS WILL BLOW DOWN TREES AND POWER LINES.
TRAVEL COULD BE DIFFICULT, ESPECIALLY FOR HIGH PROFILE VEHICLES.
HOT TEMPERATURES MAY CAUSE HEAT ILLNESSES.
* ADDITIONAL DETAILS...THE MOST INTENSE WINDS ARE LIKELY TO OCCUR
BETWEEN 12 AM AND 8 AM SUNDAY WHEN MOUNTAIN WAVE ACTIVITY WILL BE
AT ITS PEAK.
PRECAUTIONARY/PREPAREDNESS ACTIONS...
PEOPLE ARE URGED TO SECURE LOOSE OBJECTS THAT COULD BE BLOWN AROUND
OR DAMAGED BY THE WIND.
DO NOT LEAVE YOUNG CHILDREN AND PETS IN UNATTENDED VEHICLES. CAR
INTERIORS WILL REACH LETHAL TEMPERATURES IN A MATTER OF MINUTES.
DRINK PLENTY OF FLUIDS, STAY IN AN AIR-CONDITIONED ROOM, STAY OUT OF
THE SUN, AND CHECK UP ON RELATIVES AND NEIGHBORS. IF YOU MUST SPEND
TIME OUTDOORS, 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.
MTZ301-302-011215-
/O.UPG.KTFX.HW.A.0024.260802T0300Z-260802T1800Z/
/O.NEW.KTFX.HW.W.0028.260802T0000Z-260802T1800Z/
EAST GLACIER PARK REGION-NORTHERN HIGH PLAINS-
INCLUDING THE CITIES OF KIOWA, BABB, BROWNING, HEART BUTTE, LOGAN
PASS, DUPUYER, SAINT MARY, MARIAS PASS, AND EAST GLACIER PARK
1206 PM MDT FRI JUL 31 2026
...HIGH WIND WARNING IN EFFECT FROM 6 PM SATURDAY TO NOON MDT
SUNDAY...
* WHAT...WEST WINDS 30 TO 40 MPH, WITH GUSTS UP TO 60 MPH POSSIBLE.
ISOLATED WIND GUSTS UP TO 75 MPH ALONG THE IMMEDIATE EASTERN SLOPES
OF THE ROCKY MOUNTAIN FRONT.
* WHERE...EAST GLACIER PARK REGION ZONE, AND NORTHERN HIGH PLAINS.
* WHEN...FROM 6 PM SATURDAY TO NOON MDT SUNDAY.
* IMPACTS...DAMAGING WINDS WILL BLOW DOWN TREES AND POWER LINES.
TRAVEL COULD BE DIFFICULT, ESPECIALLY FOR HIGH PROFILE VEHICLES.
RECREATIONISTS SHOULD BE AWARE OF ANY TREES THAT COULD FALL WHILE
ESTABLISHING CAMPS OR HIKING.
* ADDITIONAL DETAILS...THE MOST INTENSE WINDS ARE LIKELY TO OCCUR
BETWEEN 12 AM AND 8 AM SUNDAY WHEN MOUNTAIN WAVE ACTIVITY WILL BE
AT ITS PEAK.
PRECAUTIONARY/PREPAREDNESS ACTIONS...
PEOPLE ARE URGED TO SECURE LOOSE OBJECTS THAT COULD BE BLOWN AROUND
OR DAMAGED BY THE WIND.
MTZ309-011215-
/O.UPG.KTFX.XH.A.0003.260801T1800Z-260802T0900Z/
/O.NEW.KTFX.HT.Y.0004.260801T1800Z-260802T0900Z/
EASTERN PONDERA AND EASTERN TETON-
INCLUDING THE CITIES OF CONRAD, BRADY, AND LEDGER
1206 PM MDT FRI JUL 31 2026
..HEAT ADVISORY IN EFFECT FROM NOON SATURDAY TO 3 AM MDT SUNDAY
* WHAT...HIGH TEMPERATURES UP TO 102 DEGREES EXPECTED.
* WHERE...EASTERN PONDERA AND EASTERN TETON.
* WHEN...FROM NOON SATURDAY TO 3 AM MDT SUNDAY.
* IMPACTS...HOT TEMPERATURES MAY CAUSE HEAT ILLNESSES.
PRECAUTIONARY/PREPAREDNESS ACTIONS...
DO NOT LEAVE YOUNG CHILDREN AND PETS IN UNATTENDED VEHICLES. CAR
INTERIORS WILL REACH LETHAL TEMPERATURES IN A MATTER OF MINUTES.
DRINK PLENTY OF FLUIDS, STAY IN AN AIR-CONDITIONED ROOM, STAY OUT OF
THE SUN, AND CHECK UP ON RELATIVES AND NEIGHBORS. IF YOU MUST SPEND
TIME OUTDOORS, 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.
MTZ304>306-316-318-319-321>324-328-011215-
/O.NEW.KTFX.HT.Y.0004.260801T1800Z-260802T0900Z/
EASTERN TOOLE AND LIBERTY-HILL COUNTY-NORTHERN BLAINE COUNTY-
GATES OF THE MOUNTAINS-SNOWY AND JUDITH MOUNTAINS-HELENA VALLEY-
MEAGHER COUNTY VALLEYS-ELKHORN AND BOULDER MOUNTAINS-CANYON FERRY
AREA-MISSOURI HEADWATERS-BEAVERHEAD AND WESTERN MADISON BELOW
6000FT-
INCLUDING THE CITIES OF PONY, WHITLASH, DILLON, WATERLOO, JOPLIN,
TOSTON, GALATA, HARLEM, HOGELAND, THREE FORKS, GLEN, WINSTON, FORT
BELKNAP, ELK PARK PASS, WICKES, CHINOOK, BOULDER, CORBIN, DEVON,
HARRISON, SHELBY, LOTHAIR, WHITE SULPHUR SPRINGS, TOWNSEND, RINGLING,
CLANCY, CHECKERBOARD, WOLF CREEK, WILLOW CREEK, CHESTER, MARTINSDALE,
CRAIG, ZURICH, HOMESTAKE PASS, HAVRE, CANYON CREEK, WHITEHALL,
HELENA, BANNACK, AND MONTANA CITY
1206 PM MDT FRI JUL 31 2026
..HEAT ADVISORY IN EFFECT FROM NOON SATURDAY TO 3 AM MDT SUNDAY
* WHAT...HIGH TEMPERATURES UP TO 102 DEGREES EXPECTED.
* WHERE...PORTIONS OF CENTRAL, NORTH CENTRAL, AND SOUTHWEST MONTANA.
* WHEN...FROM NOON SATURDAY TO 3 AM MDT SUNDAY.
* IMPACTS...HOT TEMPERATURES MAY CAUSE HEAT ILLNESSES.
PRECAUTIONARY/PREPAREDNESS ACTIONS...
DO NOT LEAVE YOUNG CHILDREN AND PETS IN UNATTENDED VEHICLES. CAR
INTERIORS WILL REACH LETHAL TEMPERATURES IN A MATTER OF MINUTES.
DRINK PLENTY OF FLUIDS, STAY IN AN AIR-CONDITIONED ROOM, STAY OUT OF
THE SUN, AND CHECK UP ON RELATIVES AND NEIGHBORS. IF YOU MUST SPEND
TIME OUTDOORS, 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.
GLINSKAS
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