ASUS45 KTFX 182310 RWRMT Montana Regional Weather Roundup National Weather Service Great Falls MT 500 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>007-043-190000- West of the divide CITY SKY/WX TMP DP RH WIND PRES REMARKS Kalispell MOSUNNY 56 35 45 S15 30.08F Missoula PTSUNNY 60 26 27 SW10 30.09F Butte CLOUDY 45 17 32 MISG 30.14F Anaconda MOCLDY 48 21 35 CALM 30.13F Hamilton MOSUNNY 59 23 25 NW8 30.11F Mullan Pass PTSUNNY 38 34 85 VRB6 30.13F WCI 33 Plains MOCLDY 59 37 44 N9G16 30.09R Ronan MOCLDY 57 36 44 NE15G23 30.10S $$ MTZ008-052>055-190000- Southwest Montana CITY SKY/WX TMP DP RH WIND PRES REMARKS Bozeman PTSUNNY 47 20 34 NE5 30.15R Dillon MOSUNNY 49 14 24 NE17G26 30.11F Ennis PTSUNNY 43 18 36 MISG 30.18F Twin Bridges PTCLDY 52 16 24 N15 30.14S W Yellowstone CLOUDY 39 14 35 NE18 30.12R WCI 30 $$ MTZ009-010-012-014-046-048-049-054-190000- 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 30.07F Great Falls MOSUNNY 52 27 38 S9G18 30.13F Helena PTSUNNY 55 23 28 NE8 30.12F Malmstrom AFB MOSUNNY 53 28 38 SE5 30.12F Bowmans Corner PTSUNNY 50 27 41 NE5 N/A Fairfield CLOUDY 51 24 35 W10 30.07 Raynesford MOSUNNY 48 25 40 CALM 30.11S Ulm SUNNY 51 29 42 W7 30.09 $$ MTZ011-013-016-021-045-047-050-051-190000- North Central Montana CITY SKY/WX TMP DP RH WIND PRES REMARKS Havre MOSUNNY 54 23 30 NE8 30.14S Denton PTSUNNY 48 29 48 CALM 30.13S Fort Benton PTCLDY 56 25 29 E8 30.13S Geyser SUNNY 50 22 33 NE12 30.11F N Bar Ranch CLOUDY 41 27 56 NW8 30.14S Stanford PTSUNNY 47 24 40 W5 30.11F Winifred MOSUNNY 47 26 44 NW3 30.11S $$ MTZ017>020-022>027-061-062-190000- Northeast Montana CITY SKY/WX TMP DP RH WIND PRES REMARKS Glasgow CLOUDY 44 29 55 N12 30.15R Glendive CLOUDY 46 29 51 NW17G23 30.11R Jordan N/A 43 27 53 N16G26 30.14S Malta CLOUDY 50 30 46 E8 30.15S Plentywood PTSUNNY 41 36 81 N14 30.11R Poplar CLOUDY 45 32 61 N12 30.12R Scobey CLOUDY 43 32 65 N15G21 30.11S Wolf Point CLOUDY 44 31 60 NW16 30.13S $$ MTZ028>42-056>058-190000- Southcentral and southeast Montana CITY SKY/WX TMP DP RH WIND PRES REMARKS Baker CLOUDY 42 31 64 N15 30.09R Big Timber MOCLDY 43 27 52 W12 30.15R Billings PTSUNNY 49 26 41 N16G23 30.13S Forsyth CLOUDY 45 29 54 N14 30.13RHardin CLOUDY 48 27 43 NW14 30.12S Harlowton FAIR 47 24 41 E16G25 30.10 Laurel MOCLDY 50 25 37 N15G24 30.14S Livingston CLOUDY 45 28 51 W17G23 30.13R Miles City CLOUDY 45 28 51 NW14 30.12R $$ Regional Reports...Dakotas/MN CITY SKY/WX TMP DP RH WIND PRES REMARKS Williston CLOUDY 41 35 79 N13 30.09R Minot CLOUDY 43 36 76 N12 30.05R Dickinson CLOUDY 42 35 76 NW12 30.05R Beach N/A 39 37 93 NW16G23 30.11R WCI 30 Bowman CLOUDY 41 41 100 N14 30.08R Crosby CLOUDY 41 39 93 N12 30.09R Glen Ullin PTSUNNY 45 36 70 N13 30.04R Hettinger LGT RAIN 41 38 89 N15 30.06R Tioga CLOUDY 39 39 100 N12G18 30.09R FOG WCI 32 Watford City CLOUDY 43 37 81 NW12 30.09R Bismarck CLOUDY 43 37 79 NW15G21 30.04R Grand Forks LGT RAIN 45 41 86 N13 29.95R FOG Fargo LGT RAIN 46 43 89 N15 29.91S Buffalo SD N/A 40 36 86 NW24 30.07R WCI 29 Rapid City LGT RAIN 41 39 93 N18 30.04R Intl Falls CLOUDY 47 41 80 N7 29.86S Duluth CLOUDY 49 47 93 E8 29.80S Minneapolis CLOUDY 60 56 86 CALM 29.76S $$ Regional Reports...WY/CO/ID/WA/OR CITY SKY/WX TMP DP RH WIND PRES REMARKS Buffalo WY CLOUDY 39 26 59 N25G37 30.08R WCI 28 Cody CLOUDY 45 23 42 N9 30.13R Gillette LGT RAIN 38 32 79 N20 30.09R WCI 28 Sheridan CLOUDY 41 30 65 NW15 30.13R Yellowstone La N/A 38 12 34 VRB6 30.09R WCI 33 Boise SUNNY 68 20 16 NW24G30 30.03F Couer d'Alene LGT RAIN 60 34 37 NW13G18 30.11S Idaho Falls MOSUNNY 54 20 26 N14G22 30.06R Salmon MOSUNNY 58 17 20 N14 30.09F Spokane LGT RAIN 57 37 47 S8 30.13R Seattle PTSUNNY 63 41 44 W5 30.23F Portland MOSUNNY 70 43 37 W8 30.21F $$ Other Reports CITY SKY/WX TMP DP RH WIND PRES REMARKS Atlanta MOSUNNY 85 61 44 SE9 30.18S Anchorage PTSUNNY 52 34 50 SE17G35 29.84S Boston PTCLDY 61 53 75 N8 30.07F Chicago CLOUDY 76 64 66 S14G23 29.85S Great Falls MOSUNNY 52 27 38 S9G18 30.13F Houston PTSUNNY 85 76 74 SE18 29.90S HX 94 Las Vegas NV MOSUNNY 74 16 11 VRB3 29.92F Phoenix AZ MOSUNNY 86 45 23 SW13 29.77F Salt Lake City PTSUNNY 52 31 44 N7 30.05S San Diego MOSUNNY 67 52 58 SW12 29.92S San Francisco SUNNY 78 36 21 W17 29.95F Washington Dul MOSUNNY 91 63 39 S7 30.09S HX 92 $$ Regional Reports...Alberta CITY SKY/WX TMP DP RH WIND PRES REMARKS Calgary PTSUNNY 54 30 40 SE3 30.03F Fort McMurray MOSUNNY 61 21 21 VRB2 29.96FHigh Level PTSUNNY 68 30 24 W9G20 29.79F Lethbridge MOSUNNY 59 30 33 SW8 30.03F Medicine Hat PTSUNNY 57 28 33 W7 30.08F Pincher Creek SUNNY 48 34 57 VRB3 30.06F Fort Smith NWT MOSUNNY 59 25 27 SE13 29.94F $$ Regional Reports...Saskatchewan CITY SKY/WX TMP DP RH WIND PRES REMARKS Estevan PTSUNNY 43 36 75 N15 30.09R Prince Albert MOSUNNY 52 23 32 SE8 30.12F Regina PTSUNNY 45 30 57 N9 30.12F Saskatoon MOSUNNY 52 36 54 S7 30.11S Swift Current PTSUNNY 48 32 53 VRB2 30.11F $$