274
SXUS55 KTFX 211819
OSOINF
MONTANA AREA OBSERVATIONS AND TENDENCIES
NATIONAL WEATHER SERVICE GREAT FALLS MT
1219 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 AIR1153 AM 53 39 10.0 260 7G20 1019.5MB 5 -5 -0.4MB
AS-LEWISTOWN+ + + + + +G + -100.0MB + + -100.0MB
AS-HELENA AI1153 AM 53 32 10.0 10 6G + 1022.2MB -6 0 -0.8MB
AS-BELGRADE 1156 AM 47 35 10.0 280 3G + 1020.9MB -10 2 0.2MB
AS-DILLON AI1153 AM 45 31 10.0 1015G + 1019.6MB -11 8 1.4MB
AW-MALMSTROM+ + + + + +G + -100.0MB + + -100.0MB
AW-CONRAD AP+ + + + + +G + +IN + + +IN
AW-CHOTEAU A+ + + + + +G + +IN + + +IN
AW-TWIN BRID1215 PM 52 30 10.0 1015G24 30.14IN -5 3 0.02IN
AW-ENNIS BIG1210 PM 45 32 10.0 34023G32 30.17IN -9 7 0.02IN
AW-FORT BENT1215 PM 59 38 10.0 220 8G + 30.05IN 4 -6 -0.05IN
AW-THREE FOR+ + + + + +G + +IN + + +IN
AW-CHINOOK A+ + + + + +G + +IN + + +IN
AW-W YELLOWS1215 PM 45 36 10.0 3020G30 30.06IN -9 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 1200 PM 64 30 15.0 210 5G + 1017.4MB 10 2 -2.2MB
AS-BOISE 1153 AM 67 33 10.0 31016G24 1015.9MB 0 1 -0.6MB
RED DEER 1200 PM 57 28 9.0 350 5G + 1020.0MB 3 -6 -1.7MB
CALGARY 1200 PM 59 27 40.0 10 8G + 1020.3MB 7 -3 -2.2MB
LETHBRIDGE 1200 PM 55 39 60.0 36013G + 1020.9MB 1 2 -0.5MB
MEDICINE HAT1200 PM 54 45 15.0 10 8G + 1019.2MB 8 2 -0.3MB
SWIFT CURREN1200 PM 48 43 9.0 29012G + 1018.2MB -7 0 -0.3MB
MISSOULA MONTANA CWA/N ID
LOCATION HR TMP DEW VIS WIND PRES TCH DCH 3HRTEND
===================================================================
AS-KALISPELL1155 AM 52 38 10.0 280 6G + 1022.7MB -3 -4 -1.0MB
AS-MISSOULA 1153 AM 53 34 10.0 0 0G + 1022.3MB 2 -9 -1.0MB
AS-BUTTE 1153 AM 44 27 10.0 320 7G20 1021.3MB -8 3 1.0MB
AW-ANACONDA 1215 PM 49 29 10.0 40 7G + 30.16IN -6 2 0.00IN
AW-DEER LODG+ + + + + +G + +IN + + +IN
AW-PLAINS 1210 PM 57 45 10.0 0 0G + 30.17IN 3 -7 -0.05IN
AW-LIBBY APT+ + + + + +G + +IN + + +IN
AW-EUREKA AP+ + + + + +G + +IN + + +IN
AW-HAMILTON-1215 PM 54 34 10.0 0 5G + 30.17IN -5 0 -0.02IN
AW-SALMON 1156 AM 57 28 10.0 340 9G17 30.12IN -1 -4 0.01IN
AS-POWELL 1152 AM 61 43 + 10 3G + 30.13IN 0 -5 -0.06IN
AW-SAND POIN1155 AM 59 37 10.0 140 6G + 30.16IN 0 -8 -0.05IN
AW-THOMPSON + + + + + +G + +IN + + +IN
NORTHEASTERN MONTANA
LOCATION HR TMP DEW VIS WIND PRES TCH DCH 3HRTEND
===================================================================
GLASGOW 1153 AM 56 41 10.0 300 8G + 1017.9MB -6 1 -0.5MB
GLENDIVE 1156 AM 50 43 10.0 34014G + 1017.8MB -24 14 0.4MB
JORDAN 1148 AM 54 40 + 31010G + 1018.5MB -12 5 -0.3MB
MALTA 1215 PM 61 36 10.0 28012G20 -100.0MB 0 -9 -100.0MB
SIDNEY + + + + + +G + -100.0MB + + -100.0MB
WOLF POINT 1153 AM 56 41 10.0 170 3G + 1017.5MB -11 4 0.2MB
AW-CIRCLE + + + + + +G + +IN + + +IN
AW-CULBERTSO+ + + + + +G + +IN + + +IN
SCOBEY + + + + + +G + +IN + + +IN
PLENTYWOOD S1215 PM 55 41 10.0 320 8G14 30.02IN -11 9 0.00IN
POPLAR AIRPO1215 PM 57 41 10.0 200 6G + 30.02IN -13 4 -0.01IN
SOUTHEASTERN MONTANA/NC WY
LOCATION HR TMP DEW VIS WIND PRES TCH DCH 3HRTEND
===================================================================
LIVINGSTON A1214 PM 42 37 10.0 150 9G + 1021.8MB -18 10 1.0MB
BILLINGS AIR1153 AM 46 41 10.0 90 3G + 1020.2MB -19 15 0.3MB
MILES CITY A1153 AM 46 43 5.0 35010G + 1018.3MB -23 10 0.9MB
BAKER ASOS 1206 PM 54 42 10.0 2018G25 1015.3MB -13 15 -0.3MB
AW-BIG TIMBE1215 PM 45 41 10.0 24013G + 30.14IN -16 14 0.01IN
AW-HARDIN BI1215 PM 45 41 9.0 110 6G + 30.09IN -23 14 0.01IN
AW-FORSYTH 1215 PM 45 44 4.0 310 7G + 30.08IN -23 11 0.02IN
AW-KILO/HARL+ + + + + +G + +IN + + +IN
AW-LAUREL 1215 PM 46 46 10.0 140 5G + 30.12IN -22 21 0.01IN
AW-ROUNDUP + + + + + +G + +IN + + +IN
AW-EKALAKA + + + + + +G + +IN + + +IN
SHERIDAN ASO1153 AM 39 37 6.0 33010G + 1019.9MB -24 13 2.4MB
CLICK HERE TO GO TO PREVIOUS BULLETINS.
Main Text Page