117 ASUS45 KTFX 181610 RWRMT Montana Regional Weather Roundup National Weather Service Great Falls MT 1000 AM MDT FRI SEP 18 2026 NOTE: "FAIR" indicates few or no clouds below 12,000 feet with no significant weather and/or obstructions to visibility. MTZ001>007-043-181700- West of the divide CITY SKY/WX TMP DP RH WIND PRES REMARKS Kalispell SUNNY 57 48 72 N3 30.16S Missoula CLOUDY 52 51 97 W3 30.17S FOG Butte MOSUNNY 57 46 66 W3 30.22F Anaconda PTSUNNY 62 44 52 S8 30.18F Hamilton PTSUNNY 55 52 88 CALM 30.18S Mullan Pass MOSUNNY 54 44 69 CALM 30.24S Plains PTSUNNY 54 54 100 CALM 30.16S Ronan SUNNY 59 55 88 N7 30.16R $$ MTZ008-052>055-181700- Southwest Montana CITY SKY/WX TMP DP RH WIND PRES REMARKS Bozeman MOSUNNY 61 47 59 CALM 30.19S Dillon MOSUNNY 59 46 62 SW7 30.21F Ennis MOSUNNY 61 45 55 CALM 30.26F Twin Bridges MOSUNNY 59 52 77 SW9 30.21S W Yellowstone PTSUNNY 52 46 82 CALM 30.30S $$ MTZ009-010-012-014-046-048-049-054-181700- East Slopes and Central Montana CITY SKY/WX TMP DP RH WIND PRES REMARKS Cut Bank SUNNY 59 46 62 NW9 30.16R Great Falls SUNNY 61 51 70 NW5 30.14R Helena MOSUNNY 61 48 62 VRB3 30.15F Malmstrom AFB MOSUNNY 59 50 73 CALM 30.11R Bowmans Corner SUNNY 64 51 63 SW3 30.09R Fairfield SUNNY 60 51 72 SE7 N/A Power N/A 63 53 72 N9 30.10S Raynesford MOSUNNY 62 51 66 CALM 30.11S Ulm SUNNY 61 52 73 CALM 30.09S $$ MTZ011-013-016-021-045-047-050-051-181700- North Central Montana CITY SKY/WX TMP DP RH WIND PRES REMARKS Havre MOSUNNY 57 52 83 W6 30.10R Denton PTSUNNY 64 49 59 W7 30.09S Fort Benton MOSUNNY 59 53 80 S3 30.10S Geyser PTSUNNY 63 51 65 W6 30.11S Grass Range PTSUNNY 71 48 44 CALM 30.05S N Bar Ranch MOSUNNY 72 50 46 NW9 30.13S Roy MOSUNNY 70 51 51 NW13 30.05R Stanford CLOUDY 66 49 55 N3 30.12S Winifred N/A 64 49 57 W9 30.08S $$ MTZ017>020-022>027-061-062-181700- Northeast Montana CITY SKY/WX TMP DP RH WIND PRES REMARKS Glasgow SUNNY 66 59 78 W5 30.02R Glendive CLOUDY 66 60 81 S12 30.06S Jordan N/A 66 51 58 W8 30.03S Malta SUNNY 66 61 82 CALM 30.03S Plentywood PTSUNNY 66 61 82 S10 30.04S Poplar SUNNY 70 61 73 S14 30.03S Scobey SUNNY 66 61 82 VRB5 30.03S Sidney PTSUNNY 70 60 70 S14 30.05S Wolf Point SUNNY 68 59 73 S6 30.03R $$ MTZ028>42-056>058-181700- Southcentral and southeast Montana CITY SKY/WX TMP DP RH WIND PRES REMARKS Baker CLOUDY 65 59 81 SE13 30.09 Big Timber SUNNY 70 45 40 W21 30.14F Billings PTSUNNY 64 47 53 SW12 30.10S Forsyth SUNNY 68 56 66 CALM 30.04S Hardin SUNNY 64 50 59 SE9 30.06S Harlowton FAIR 69 49 48 NW3 30.09F Laurel SUNNY 63 46 55 SW5 30.11F Livingston PTSUNNY 71 44 37 SW13 30.14F Miles City SUNNY 68 59 73 SE9 30.04S $$ Regional Reports...Dakotas/MN CITY SKY/WX TMP DP RH WIND PRES REMARKS Williston MOSUNNY 65 59 81 S16G23 30.07R Minot CLOUDY 61 58 90 SE7 30.12S Dickinson CLOUDY 64 57 78 SE8 30.09S Beach N/A 66 61 82 S12G20 30.09S Bowman CLOUDY 59 59 100 SE13 30.10S Crosby PTSUNNY 63 61 94 S16 30.04S Glen Ullin CLOUDY 63 55 77 SE15 30.10S Hettinger CLOUDY 59 57 93 SE9 30.10R Tioga CLOUDY 63 63 100 S10 30.10S Watford City CLOUDY 68 63 83 S14 30.08S Bismarck CLOUDY 64 58 80 E9 30.12S Grand Forks PTSUNNY 64 56 75 S16 30.18S Fargo MOSUNNY 63 56 78 SE12 30.18F Buffalo SD N/A 62 59 90 E6 30.08S Rapid City CLOUDY 62 61 96 N6 30.09S Intl Falls PTSUNNY 55 49 80 SE8 30.29F Duluth CLOUDY 55 53 93 E17 30.31F Minneapolis RAIN 61 59 93 E9 30.23F $$ Regional Reports...WY/CO/ID/WA/OR CITY SKY/WX TMP DP RH WIND PRES REMARKS Buffalo WY PTSUNNY 73 47 39 NE6 30.14F Cody MOSUNNY 68 43 40 SW17G24 30.19F Gillette SUNNY 67 56 67 W6 30.13R Powell FAIR 63 41 45 E10 30.16S Sheridan CLOUDY 62 54 74 N5 30.10F Yellowstone La N/A 49 46 90 CALM 30.37S Boise PTSUNNY 62 45 53 NW5 30.16R Couer d'Alene SUNNY 58 50 75 NE6 30.16S Idaho Falls PTSUNNY 57 52 83 N9 30.17S Salmon MOSUNNY 62 53 72 CALM 30.20F Spokane MOSUNNY 55 46 71 SE3 30.15 Seattle CLOUDY 58 53 84 S7 30.20R Portland CLOUDY 58 52 80 CALM 30.22S $$ Other Reports CITY SKY/WX TMP DP RH WIND PRES REMARKS Atlanta MOSUNNY 88 69 53 NW6 30.20F HX 92 Anchorage LGT RAIN 48 46 93 N7 29.82F Boston MOSUNNY 77 55 46 NW14G20 30.03F Chicago PTSUNNY 71 57 61 NE16 30.28S Fairbanks MOCLDY 34 34 100 NE3 29.84F Great Falls SUNNY 61 51 70 NW5 30.14R Houston MOSUNNY 87 70 56 SE10 30.15F HX 92 Las Vegas NV MOSUNNY 83 43 24 S7 30.02S Phoenix AZ SUNNY 86 67 52 SE9 29.98S Salt Lake City PTSUNNY 65 54 67 SE12 30.11S San Diego PTSUNNY 72 58 61 N6 30.07S San Francisco PTSUNNY 60 56 86 W6 30.15F Washington Dul PTSUNNY 83 69 62 N9 30.11F $$ Regional Reports...Alberta CITY SKY/WX TMP DP RH WIND PRES REMARKS Calgary SUNNY 55 41 58 NW6 30.18R Fort McMurray SUNNY 52 46 82 NW6 30.11R High Level MOSUNNY 43 43 100 VRB2 30.09R Lethbridge SUNNY 54 45 71 SW8 30.16R Medicine Hat MOSUNNY 57 46 67 S3 30.11R Pincher Creek SUNNY 52 41 66 W5 30.18S Fort Smith NWT MOSUNNY 46 43 87 VRB2 30.09R $$ Regional Reports...Saskatchewan CITY SKY/WX TMP DP RH WIND PRES REMARKS Estevan CLOUDY 61 59 94 S8G17 30.06R Prince Albert MOSUNNY 57 50 77 W3 30.04S Regina CLOUDY 57 55 94 W3 30.04R Swift Current SUNNY 59 52 77 W7 30.07R $$