073
WWUS75 KTFX 240521
NPWTFX
URGENT - WEATHER MESSAGE
NATIONAL WEATHER SERVICE GREAT FALLS MT
1121 PM MDT THU JUL 23 2026
MTZ305-306-310>314-242030-
/O.CAN.KTFX.HT.Y.0003.260724T1800Z-260725T1800Z/
/O.CAN.KTFX.HT.Y.0003.260726T0300Z-260727T0300Z/
/O.EXT.KTFX.XH.W.0001.260724T1800Z-260727T0300Z/
HILL COUNTY-NORTHERN BLAINE COUNTY-WESTERN AND CENTRAL CHOUTEAU
COUNTY-BEARS PAW MOUNTAINS AND SOUTHERN BLAINE-CASCADE COUNTY
BELOW 5000FT-JUDITH BASIN COUNTY AND JUDITH GAP-FERGUS COUNTY
BELOW 4500FT-
INCLUDING THE CITIES OF CHINOOK, WINDHAM, LEWISTOWN, HARLEM,
FLOWEREE, STANFORD, ZURICH, RAYNESFORD, CARTER, FORT BELKNAP,
BENCHLAND, HILGER, ROCKY BOY, HOBSON, GREAT FALLS, FORT BENTON,
MOCCASIN, GEYSER, HAVRE, AND HOGELAND
1121 PM MDT THU JUL 23 2026
..HEAT ADVISORY HAS BEEN UPGRADED TO AN EXTREME HEAT WARNING
...EXTREME HEAT WARNING NOW IN EFFECT FROM NOON FRIDAY TO 9 PM MDT
SUNDAY...
* WHAT...DANGEROUSLY HOT CONDITIONS. HIGH TEMPERATURES BETWEEN 100
AND 106 DEGREES EXPECTED.
* WHERE...BEARS PAW MOUNTAINS AND SOUTHERN BLAINE, CASCADE COUNTY
BELOW 5000FT, FERGUS COUNTY BELOW 4500FT, HILL COUNTY, JUDITH BASIN
COUNTY AND JUDITH GAP, NORTHERN BLAINE COUNTY, AND WESTERN AND
CENTRAL CHOUTEAU COUNTY.
* WHEN...FROM NOON FRIDAY TO 9 PM MDT SUNDAY.
* IMPACTS...HEAT RELATED ILLNESSES INCREASE SIGNIFICANTLY DURING
EXTREME HEAT.
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.
MTZ303-304-309-316-319-321-323>326-328-242030-
/O.CAN.KTFX.HT.Y.0003.260724T1800Z-260727T0300Z/
/O.CON.KTFX.HT.Y.0003.260724T1800Z-260727T0300Z/
EASTERN GLACIER, WESTERN TOOLE, AND CENTRAL PONDERA-EASTERN TOOLE
AND LIBERTY-EASTERN PONDERA AND EASTERN TETON-GATES OF THE
MOUNTAINS-HELENA VALLEY-MEAGHER COUNTY VALLEYS-CANYON FERRY AREA-
MISSOURI HEADWATERS-MADISON RIVER VALLEY-GALLATIN VALLEY-
BEAVERHEAD AND WESTERN MADISON BELOW 6000FT-
INCLUDING THE CITIES OF CHECKERBOARD, BRADY, CAMERON, CUT BANK, WHITE
SULPHUR SPRINGS, GALLATIN GATEWAY, HELENA, JOPLIN, CANYON CREEK,
THREE FORKS, DILLON, WATERLOO, NORRIS, MARTINSDALE, BOZEMAN, CONRAD,
GALATA, CRAIG, JEFFERS, GLEN, DEVON, TOWNSEND, WINSTON, ETHRIDGE,
SHELBY, LOTHAIR, PONY, CHESTER, ENNIS, MCALLISTER, WHITLASH,
HARRISON, WILLOW CREEK, LEDGER, BANNACK, TOSTON, WHITEHALL, WOLF
CREEK, SANTA RITA, AND RINGLING
1121 PM MDT THU JUL 23 2026
...HEAT ADVISORY REMAINS IN EFFECT FROM NOON FRIDAY TO 9 PM MDT
SUNDAY...
* WHAT...HIGH TEMPERATURES UP TO 100 DEGREES EXPECTED.
* WHERE...PORTIONS OF CENTRAL, NORTH CENTRAL, AND SOUTHWEST MONTANA.
* WHEN...FROM NOON FRIDAY TO 9 PM MDT SUNDAY.
* 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.
GLINSKAS
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