604
SXUS55 KTFX 180420
OSOINF
MONTANA AREA OBSERVATIONS AND TENDENCIES
NATIONAL WEATHER SERVICE GREAT FALLS MT
919 PM MST WED DEC 17 2025
GREAT FALLS MONTANA CWA
LOCATION HR TMP DEW VIS WIND PRES TCH DCH 3HRTEND
===================================================================
AS-GREAT FAL0853 PM 19 15 10.0 40 6G + 1013.7MB -28 -15 10.0MB
AS-CUT BANK 0856 PM 12 4 10.0 34022G31 1011.9MB -27 -27 6.7MB
AS-HAVRE AIR0902 PM 11 2 10.0 31015G37 1013.9MB -30 -31 6.5MB
AS-LEWISTOWN0854 PM 25 20 10.0 31018G36 1006.2MB -20 -9 5.8MB
AS-HELENA AI0153 PM 39 14 10.0 27046G + 999.8MB -11 -18 6.6MB
AS-BELGRADE 0856 PM 33 11 10.0 25015G23 1013.0MB -17 -10 4.9MB
AS-DILLON AI0853 PM 30 9 10.0 26022G35 1013.8MB -13 -8 2.0MB
AW-MALMSTROM0855 PM 23 16 10.0 310 7G + 1012.0MB -26 -14 8.3MB
AW-CONRAD AP+ + + + + +G + +IN + + +IN
AW-CHOTEAU A+ + + + + +G + +IN + + +IN
AW-TWIN BRID0915 PM 34 10 10.0 0 0G18 29.98IN -12 -9 0.10IN
AW-ENNIS BIG0910 PM 30 9 10.0 50 6G23 29.99IN -11 -18 0.08IN
AW-FORT BENT0915 PM 20 12 10.0 31015G26 29.86IN -20 -21 0.19IN
AW-THREE FOR+ + + + + +G + +IN + + +IN
AW-CHINOOK A+ + + + + +G + +IN + + +IN
AW-W YELLOWS+ + + + + +G + +IN + + +IN
AW-WHITE SUL+ + + + + +G + +IN + + +IN
AW-ALPHA/RAY0855 PM 24 19 10.0 4012G + 1010.0MB -26 -8 7.8MB
AW-BRAVO/GEY0855 PM 31 18 10.0 27021G29 1007.8MB -18 -9 7.6MB
AW-CHARLIE/S0855 PM 26 19 10.0 23043G49 990.0MB -23 -6 1.6MB
AW-DELTA/DEN0855 PM 23 18 3.0 29043G55 1006.9MB -25 -10 5.4MB
AW-ECHO/WINI0855 PM 20 16 2.0 20023G28 1006.2MB -27 -13 7.6MB
AW-FOXTROT/A0855 PM 32 16 10.0 27021G + 1009.9MB -10 -16 6.2MB
AW-GOLF/SIMM0855 PM 29 18 10.0 20016G + 1009.0MB -14 -15 5.6MB
AW-HOTEL/FAI0855 PM 31 15 10.0 60 7G + 1009.5MB -14 -17 7.1MB
AW-INDIA/ULM0855 PM 36 17 10.0 5021G32 1009.6MB -12 -13 5.7MB
AW-JULIET/PO0855 PM 17 13 10.0 10 7G + 1011.1MB -27 -18 7.9MB
AW-LIMA/JUDI+ + + + + +G + -100.0MB + + -100.0MB
AW-MIKE/MOOR0855 PM 28 20 10.0 29018G26 1006.3MB -17 -9 5.8MB
AW-NOVEMBER/0855 PM 28 20 5.0 3037G51 1003.1MB -12 -8 6.6MB
AW-OSCAR/ROY0855 PM 22 18 0.9 27038G49 1003.2MB -23 -10 6.1MB
ALBERTA/SASK/ID/WY
LOCATION HR TMP DEW VIS WIND PRES TCH DCH 3HRTEND
===================================================================
WHITECOURT 0900 PM -8 -13 15.0 260 3G + 1018.5MB -15 -16 1.4MB
AS-BOISE 0853 PM 38 20 10.0 0 0G + 1022.3MB -15 -20 2.6MB
RED DEER 0900 PM 0 -8 9.0 320 5G + 1019.3MB -28 -29 5.5MB
CALGARY 0900 PM 5 -4 15.0 40 6G + 1016.3MB -25 -27 5.1MB
LETHBRIDGE 0900 PM 10 1 15.0 320 6G + 1016.9MB -24 -29 5.3MB
MEDICINE HAT0900 PM 5 -2 9.0 32017G23 1013.0MB -32 -30 2.2MB
SWIFT CURREN0900 PM 0 -6 0.6 36035G49 1008.2MB -30 -31 13.8MB
MISSOULA MONTANA CWA/N ID
LOCATION HR TMP DEW VIS WIND PRES TCH DCH 3HRTEND
===================================================================
AS-KALISPELL0855 PM 37 21 10.0 22013G + 1014.7MB -6 -16 4.5MB
AS-MISSOULA 0853 PM 33 28 6.0 20013G23 1018.0MB -15 -6 4.4MB
AS-BUTTE 0853 PM 27 13 10.0 32010G + 1015.2MB -18 -9 5.4MB
AW-ANACONDA 0915 PM 28 15 8.0 28032G46 29.88IN -18 -10 0.05IN
AW-DEER LODG+ + + + + +G + +IN + + +IN
AW-PLAINS 0915 PM 41 23 10.0 240 9G16 29.99IN -7 -20 0.06IN
AW-LIBBY APT+ + + + + +G + +IN + + +IN
AW-EUREKA AP+ + + + + +G + +IN + + +IN
AW-HAMILTON-0915 PM 36 18 10.0 120 8G22 30.02IN -10 -16 0.03IN
AW-SALMON 0856 PM 32 21 10.0 340 7G + 30.08IN -18 -4 0.11IN
AS-POWELL 0452 AM 44 43 + 350 3G + 29.34IN 3 2 -0.21IN
AW-SAND POIN0850 PM 36 25 10.0 210 5G + 30.02IN -9 -18 0.09IN
AW-THOMPSON + + + + + +G + +IN + + +IN
NORTHEASTERN MONTANA
LOCATION HR TMP DEW VIS WIND PRES TCH DCH 3HRTEND
===================================================================
GLASGOW 0853 PM 8 5 0.0 30035G + 1000.9MB -25 -24 11.8MB
GLENDIVE 0910 PM 16 12 1.0 30062G76 992.9MB -17 -19 2.3MB
JORDAN 0848 PM 17 4 + 31058G77 1000.2MB -20 -26 8.7MB
MALTA 0915 PM 10 10 0.0 31037G54 -100.0MB -22 -22 -100.0MB
SIDNEY 0856 AM 13 8 10.0 19014G + 1020.8MB + + -1.8MB
WOLF POINT 0916 PM 11 6 4.0 28049G70 997.3MB -14 -17 9.4MB
AW-CIRCLE + + + + + +G + +IN + + +IN
AW-CULBERTSO+ + + + + +G + +IN + + +IN
SCOBEY + + + + + +G + +IN + + +IN
PLENTYWOOD S0915 PM 27 27 1.5 29012G13 29.06IN 2 2 0.04IN
POPLAR AIRPO0915 PM 14 12 0.0 28046G66 29.29IN -13 -15 0.21IN
SOUTHEASTERN MONTANA/NC WY
LOCATION HR TMP DEW VIS WIND PRES TCH DCH 3HRTEND
===================================================================
LIVINGSTON A1053 AM 41 37 1.0 29040G + 991.0MB -7 4 2.8MB
BILLINGS AIR0853 PM 39 11 10.0 28031G52 1004.2MB -7 -20 4.4MB
MILES CITY A0853 PM 35 27 9.0 28045G75 997.1MB -2 -3 2.8MB
BAKER ASOS 0916 PM 28 23 1.5 32030G72 992.6MB -11 -5 0.9MB
AW-BIG TIMBE0745 PM 34 9 10.0 27041G + 29.69IN -18 -16 0.29IN
AW-HARDIN BI0915 PM 39 14 10.0 27045G64 29.59IN 2 -20 0.11IN
AW-FORSYTH 0915 PM 37 25 10.0 28030G51 29.53IN -10 -7 0.12IN
AW-KILO/HARL0855 PM 34 14 10.0 34040G55 29.64IN -13 -14 0.12IN
AW-LAUREL + + + + + +G + +IN + + +IN
AW-ROUNDUP + + + + + +G + +IN + + +IN
AW-EKALAKA + + + + + +G + +IN + + +IN
SHERIDAN ASO0853 PM 39 8 10.0 31029G44 1001.6MB 0 -24 5.7MB
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