ASUS45 KTFX 182010 RWRMT Montana Regional Weather Roundup National Weather Service Great Falls MT 200 PM MDT MON MAY 18 2026 NOTE: "FAIR" indicates few or no clouds below 12,000 feet with no significant weather and/or obstructions to visibility. MTZ001>007-043-182100- West of the divide CITY SKY/WX TMP DP RH WIND PRES REMARKS Kalispell MOSUNNY 53 32 44 VRB5 30.11F Missoula PTSUNNY 55 24 30 VRB5 30.12F Butte CLOUDY 41 18 39 N6 30.15R Anaconda MOCLDY 47 23 37 NE10 30.14S Hamilton MOSUNNY 55 19 24 VRB5G15 30.14S Mullan Pass FLURRIES 38 31 76 VRB3 30.14R Plains PTCLDY 63 34 34 E9 30.09F Ronan CLEAR 55 28 35 CALM 30.12F $$ MTZ008-052>055-182100- Southwest Montana CITY SKY/WX TMP DP RH WIND PRES REMARKS Bozeman CLOUDY 48 25 40 W7 30.15S Dillon MOSUNNY 49 16 26 N13 30.11F Ennis CLOUDY 41 19 42 MISG 30.18R Twin Bridges PTCLDY 52 14 22 NE14G24 30.14S W Yellowstone PTSUNNY 37 16 41 N13G24 30.09R WCI 29 $$ MTZ009-010-012-014-046-048-049-054-182100- East Slopes and Central Montana CITY SKY/WX TMP DP RH WIND PRES REMARKS Cut Bank N/A N/A N/A N/A MISG 30.11F Great Falls CLOUDY 48 25 40 CALM 30.15S Helena CLOUDY 49 22 34 N10 30.15S Malmstrom AFB PTSUNNY 50 31 47 CALM 30.13S Augusta N/A 46 26 44 S3 30.10F Bowmans Corner MOSUNNY 46 28 49 CALM N/A Power MOSUNNY 50 26 39 NW6 30.10F Raynesford PTSUNNY 46 28 49 SE10 30.12S Ulm MOSUNNY 49 27 41 SE3 30.10S $$ MTZ011-013-016-021-045-047-050-051-182100- North Central Montana CITY SKY/WX TMP DP RH WIND PRES REMARKS Havre PTSUNNY 50 23 34 MISG 30.15S Denton PTSUNNY 45 30 56 NE6 30.13S Fort Benton PTCLDY 51 28 41 VRB7 30.14F Grass Range CLOUDY 40 28 61 E6 30.10R WCI 36 N Bar Ranch CLOUDY 36 27 69 N7 30.15R WCI 30 Roy CLOUDY 42 28 59 N10 30.11S Stanford PTSUNNY 45 26 47 NW12 30.12R $$ MTZ017>020-022>027-061-062-182100- Northeast Montana CITY SKY/WX TMP DP RH WIND PRES REMARKS Glasgow LGT RAIN 41 32 70 N10 30.14R Glendive CLOUDY 47 30 51 N13 30.06F Jordan N/A 41 29 62 N17G24 30.13R Malta CLOUDY 45 34 65 NE8 30.16S Plentywood CLOUDY 39 36 87 N12G18 30.10R WCI 32 Poplar PTSUNNY 43 34 70 N7 30.11S Scobey CLOUDY 39 34 81 N14G20 30.11R WCI 31 Wolf Point CLOUDY 44 31 60 N8 30.13R $$ MTZ028>42-056>058-182100- Southcentral and southeast Montana CITY SKY/WX TMP DP RH WIND PRES REMARKS Baker CLOUDY 41 34 76 N18 30.05R Big Timber CLOUDY 43 27 52 VRB6 30.14R Billings CLOUDY 43 26 51 N6 30.14RForsyth CLOUDY 46 30 53 NW14G24 30.11S Hardin CLOUDY 48 28 46 NW13G20 30.10F Laurel CLOUDY 43 28 56 VRB5 30.15S Livingston CLOUDY 42 25 50 SW9 30.12R Miles City CLOUDY 45 29 53 NW14 30.08S $$ Regional Reports...Dakotas/MN CITY SKY/WX TMP DP RH WIND PRES REMARKS Williston CLOUDY 40 34 79 N12 30.07R WCI 33 Minot CLOUDY 42 37 82 N12 30.02S Dickinson CLOUDY 42 35 76 N10 29.99R Beach N/A 41 39 93 N15 30.06R Bowman LGT RAIN 43 43 100 N18 29.99R Crosby CLOUDY 41 37 87 N9 30.08R FOG Glen Ullin CLOUDY 46 37 71 N16 29.98S Hettinger CLOUDY 44 39 82 N14 29.98S Tioga CLOUDY 41 39 93 N13 30.07R Watford City CLOUDY 43 39 87 N14 30.06S Bismarck CLOUDY 43 38 82 N13 29.99S Grand Forks CLOUDY 46 41 82 N17 29.93R Fargo LGT RAIN 47 43 86 N20 29.88S Buffalo SD N/A 44 34 67 NW22G31 29.99R Rapid City LGT RAIN 40 38 93 N23 29.99R WCI 30 Intl Falls CLOUDY 49 41 74 NE7 29.87R Duluth CLOUDY 54 47 77 N7 29.80S Minneapolis CLOUDY 59 54 83 VRB5 29.78R $$ Regional Reports...WY/CO/ID/WA/OR CITY SKY/WX TMP DP RH WIND PRES REMARKS Buffalo WY CLOUDY 38 28 67 N26G43 30.03S WCI 26 Cody CLOUDY 41 21 44 N16 30.11S Gillette CLOUDY 38 34 85 N16 30.04R WCI 29 Powell FAIR 45 18 33 N21G29 30.08R Sheridan CLOUDY 38 34 85 N13 30.10R WCI 30 Yellowstone La N/A 34 14 43 NW8 30.06R WCI 27 Boise SUNNY 64 22 20 NW21G32 30.05F Couer d'Alene LGT RAIN 57 42 57 W12 30.15F Idaho Falls MOSUNNY 52 18 26 NE17G28 30.05R Salmon MOSUNNY 55 18 23 N10G17 30.10F Spokane PTSUNNY 57 36 45 CALM 30.14F Seattle PTSUNNY 59 45 59 W7 30.26S Portland MOSUNNY 63 43 48 VRB5 30.25F $$ Other Reports CITY SKY/WX TMP DP RH WIND PRES REMARKS Atlanta MOSUNNY 86 64 47 SE12G20 30.21F Anchorage PTSUNNY 50 30 46 SE12G25 29.84R Boston PTSUNNY 64 50 60 E16 30.14F Chicago PTSUNNY 79 63 57 SW18G31 29.83S Fairbanks PTSUNNY 54 30 40 SW5 29.72S Great Falls CLOUDY 48 25 40 CALM 30.15S Houston CLOUDY 87 75 67 S21 29.92F HX 96 Las Vegas NV MOSUNNY 69 19 15 N8G18 29.97F Phoenix AZ MOSUNNY 81 47 30 W12G20 29.80F Salt Lake City PTSUNNY 51 29 42 N12 30.01S San Diego MOSUNNY 69 52 54 SW12G24 29.91S San Francisco SUNNY 74 47 38 N7 29.98F Washington Dul MOSUNNY 94 62 34 SW8G17 30.12F HX 94 $$ Regional Reports...Alberta CITY SKY/WX TMP DP RH WIND PRES REMARKSCalgary PTSUNNY 50 30 46 E2 30.04S Fort McMurray SUNNY 57 21 24 N7 30.01F High Level MOSUNNY 68 28 22 SE10G23 29.83F Lethbridge PTSUNNY 55 27 33 SW2 30.06F Medicine Hat PTSUNNY 54 30 40 CALM 30.11F Pincher Creek MOSUNNY 52 32 46 SW10G17 30.06F Fort Smith NWT MOSUNNY 55 21 26 SE14G21 29.99F $$ Regional Reports...Saskatchewan CITY SKY/WX TMP DP RH WIND PRES REMARKS Estevan LGT RAIN 41 36 81 NE6 30.08R Prince Albert MOSUNNY 50 19 29 VRB2 30.14S Regina CLOUDY 39 36 87 N6 30.13S WCI 35 Saskatoon PTSUNNY 46 34 61 W7 30.13F Swift Current PTSUNNY 46 36 66 N7 30.13S $$