833
SXUS55 KTFX 212319
OSOINF
MONTANA AREA OBSERVATIONS AND TENDENCIES
NATIONAL WEATHER SERVICE GREAT FALLS MT
519 PM MDT THU MAY 21 2026
GREAT FALLS MONTANA CWA
LOCATION HR TMP DEW VIS WIND PRES TCH DCH 3HRTEND
===================================================================
AS-GREAT FAL0853 AM 44 36 10.0 270 9G + 1022.4MB -9 -1 -0.3MB
AS-CUT BANK + + + + + +G + -100.0MB + + -100.0MB
AS-HAVRE AIR0453 PM 60 33 10.0 32013G22 1016.8MB 1 -5 -1.3MB
AS-LEWISTOWN+ + + + + +G + -100.0MB + + -100.0MB
AS-HELENA AI0453 PM 57 30 10.0 2012G + 1019.7MB 7 -11 -1.7MB
AS-BELGRADE 0456 PM 51 37 9.0 40 7G + 1019.5MB -7 3 -0.9MB
AS-DILLON AI0453 PM 55 23 10.0 330 8G21 1016.7MB -4 0 -2.4MB
AW-MALMSTROM+ + + + + +G + -100.0MB + + -100.0MB
AW-CONRAD AP+ + + + + +G + +IN + + +IN
AW-CHOTEAU A+ + + + + +G + +IN + + +IN
AW-TWIN BRID0515 PM 59 23 10.0 2016G16 30.08IN -2 0 -0.05IN
AW-ENNIS BIG0510 PM 50 27 10.0 36014G20 30.14IN -5 2 -0.03IN
AW-FORT BENT0515 PM 61 33 10.0 34013G21 30.01IN 4 -2 -0.02IN
AW-THREE FOR+ + + + + +G + +IN + + +IN
AW-CHINOOK A+ + + + + +G + +IN + + +IN
AW-W YELLOWS0515 PM 45 36 10.0 4014G23 30.09IN -7 13 0.02IN
AW-WHITE SUL+ + + + + +G + +IN + + +IN
AW-ALPHA/RAY+ + + + + +G + -100.0MB + + -100.0MB
AW-BRAVO/GEY+ + + + + +G + -100.0MB + + -100.0MB
AW-CHARLIE/S+ + + + + +G + -100.0MB + + -100.0MB
AW-DELTA/DEN+ + + + + +G + -100.0MB + + -100.0MB
AW-ECHO/WINI+ + + + + +G + -100.0MB + + -100.0MB
AW-FOXTROT/A+ + + + + +G + -100.0MB + + -100.0MB
AW-GOLF/SIMM+ + + + + +G + -100.0MB + + -100.0MB
AW-HOTEL/FAI+ + + + + +G + -100.0MB + + -100.0MB
AW-INDIA/ULM+ + + + + +G + -100.0MB + + -100.0MB
AW-JULIET/PO+ + + + + +G + -100.0MB + + -100.0MB
AW-LIMA/JUDI+ + + + + +G + -100.0MB + + -100.0MB
AW-MIKE/MOOR+ + + + + +G + -100.0MB + + -100.0MB
AW-NOVEMBER/+ + + + + +G + -100.0MB + + -100.0MB
AW-OSCAR/ROY+ + + + + +G + -100.0MB + + -100.0MB
ALBERTA/SASK/ID/WY
LOCATION HR TMP DEW VIS WIND PRES TCH DCH 3HRTEND
===================================================================
WHITECOURT 0500 PM 61 30 15.0 270 8G17 1015.5MB 4 2 -0.2MB
AS-BOISE 0453 PM 75 22 10.0 30018G29 1012.4MB 1 -6 -2.1MB
RED DEER 0500 PM 64 25 9.0 60 2G + 1016.6MB 10 -11 -1.7MB
CALGARY 0500 PM 63 25 40.0 180 6G + 1016.7MB 9 -3 -2.1MB
LETHBRIDGE 0500 PM 63 34 60.0 320 3G + 1017.7MB 9 0 -1.7MB
MEDICINE HAT0500 PM 61 39 30.0 0 0G + 1016.7MB 16 0 -1.6MB
SWIFT CURREN0500 PM 55 43 9.0 330 3G + 1016.5MB 7 -2 -1.1MB
MISSOULA MONTANA CWA/N ID
LOCATION HR TMP DEW VIS WIND PRES TCH DCH 3HRTEND
===================================================================
AS-KALISPELL0455 PM 61 32 10.0 160 9G + 1019.6MB 11 -8 -1.7MB
AS-MISSOULA 0453 PM 61 33 10.0 20 8G + 1019.2MB 8 -10 -1.4MB
AS-BUTTE 0453 PM 51 25 10.0 10 6G + 1019.1MB 0 -8 -1.3MB
AW-ANACONDA 0515 PM 55 25 10.0 30 6G + 30.09IN 5 -13 -0.04IN
AW-DEER LODG+ + + + + +G + +IN + + +IN
AW-PLAINS 0515 PM 64 36 10.0 130 3G + 30.07IN 0 -3 -0.05IN
AW-LIBBY APT+ + + + + +G + +IN + + +IN
AW-EUREKA AP+ + + + + +G + +IN + + +IN
AW-HAMILTON-0515 PM 63 27 10.0 6010G14 30.09IN 2 -10 -0.05IN
AW-SALMON 0456 PM 64 22 10.0 1014G + 30.03IN -1 -4 -0.06IN
AS-POWELL 0452 PM 73 44 + 340 3G + 30.01IN 2 0 -0.07IN
AW-SAND POIN0455 PM 68 32 10.0 12010G + 30.04IN 0 4 -0.07IN
AW-THOMPSON + + + + + +G + +IN + + +IN
NORTHEASTERN MONTANA
LOCATION HR TMP DEW VIS WIND PRES TCH DCH 3HRTEND
===================================================================
GLASGOW 0453 PM 62 35 10.0 28010G + 1015.9MB 4 -11 -1.2MB
GLENDIVE 0456 PM 49 45 10.0 33013G + 1017.3MB -12 3 -0.5MB
JORDAN 0448 PM 58 34 + 0 0G + 1016.8MB 3 -10 -1.0MB
MALTA 0515 PM 61 34 10.0 280 7G22 -100.0MB 4 -11 -100.0MB
SIDNEY + + + + + +G + -100.0MB + + -100.0MB
WOLF POINT 0453 PM 58 43 10.0 140 9G + 1016.3MB -3 5 -0.8MB
AW-CIRCLE + + + + + +G + +IN + + +IN
AW-CULBERTSO+ + + + + +G + +IN + + +IN
SCOBEY + + + + + +G + +IN + + +IN
PLENTYWOOD S0515 PM 59 37 10.0 190 6G + 29.98IN -2 -6 -0.02IN
POPLAR AIRPO0515 PM 57 46 10.0 18018G + 30.00IN -6 3 -0.01IN
SOUTHEASTERN MONTANA/NC WY
LOCATION HR TMP DEW VIS WIND PRES TCH DCH 3HRTEND
===================================================================
LIVINGSTON A0453 PM 50 31 10.0 28010G21 1019.0MB -10 1 -1.8MB
BILLINGS AIR0453 PM 52 37 10.0 270 7G + 1018.1MB -14 10 -1.1MB
MILES CITY A0453 PM 47 44 10.0 30 9G + 1017.8MB -17 7 -0.8MB
BAKER ASOS 0451 PM 51 39 10.0 33021G30 1016.3MB -16 8 0.4MB
AW-BIG TIMBE0515 PM 55 30 10.0 28018G20 30.07IN 1 -6 -0.05IN
AW-HARDIN BI0515 PM 50 43 10.0 16010G + 30.04IN -16 13 -0.05IN
AW-FORSYTH 0515 PM 53 43 9.0 0 0G + 30.04IN -16 10 -0.04IN
AW-KILO/HARL+ + + + + +G + +IN + + +IN
AW-LAUREL 0515 PM 54 41 10.0 210 8G + 30.06IN -9 18 -0.04IN
AW-ROUNDUP + + + + + +G + +IN + + +IN
AW-EKALAKA + + + + + +G + +IN + + +IN
SHERIDAN ASO0453 PM 43 38 10.0 30012G + 1019.2MB -26 13 -0.3MB
CLICK HERE TO GO TO PREVIOUS BULLETINS.
Main Text Page