ASUS45 KTFX 181910 RWRMT Montana Regional Weather Roundup National Weather Service Great Falls MT 100 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>007-043-182000- West of the divide CITY SKY/WX TMP DP RH WIND PRES REMARKS Kalispell MOSUNNY 54 31 41 SW6 30.12F Missoula MOSUNNY 55 23 28 W7 30.14F Butte CLOUDY 41 17 38 NW8 30.14R Anaconda MOCLDY 46 21 36 NE9 30.14S Hamilton MOSUNNY 54 23 30 VRB5 30.15F Mullan Pass PTSUNNY 42 26 53 CALM 30.13S Plains PTCLDY 59 34 38 VRB3 30.11F Ronan CLEAR 54 32 43 VRB7 30.14F $$ MTZ008-052>055-182000- Southwest Montana CITY SKY/WX TMP DP RH WIND PRES REMARKS Bozeman CLOUDY 44 23 43 VRB6 30.15R Dillon SUNNY 46 17 31 N16G25 30.12S Ennis CLOUDY 39 19 45 MISG 30.18R Twin Bridges PTCLDY 48 16 27 N16G26 30.14S W Yellowstone PTSUNNY 37 18 44 NE16G23 30.07R WCI 28 $$ MTZ009-010-012-014-046-048-049-054-182000- 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 30.12F Great Falls PTSUNNY 47 26 44 N7 30.15S Helena PTSUNNY 48 22 35 CALM 30.15S Bowmans Corner CLOUDY 44 29 55 CALM N/A $$ MTZ011-013-016-021-045-047-050-051-182000- North Central Montana CITY SKY/WX TMP DP RH WIND PRES REMARKS Havre PTSUNNY 48 25 40 VRB6 30.15F Fort Benton PTCLDY 49 31 51 CALM 30.15S N Bar Ranch CLOUDY 36 27 69 N8 30.13R WCI 29 Roy CLOUDY 41 28 60 N13 30.10R $$ MTZ017>020-022>027-061-062-182000- Northeast Montana CITY SKY/WX TMP DP RH WIND PRES REMARKS Glasgow CLOUDY 42 30 62 N13 30.12S Glendive CLOUDY 44 33 65 N12 30.07F Jordan N/A 43 28 55 N13 30.12S Malta CLOUDY 43 30 61 N9 30.16R Plentywood CLOUDY 39 36 87 N15 30.08S WCI 31 Poplar LGT RAIN 41 37 87 NW6G15 30.11R FOG Scobey N/A 39 34 81 N13G20 30.10R WCI 32 Wolf Point LGT RAIN 41 32 70 N9 30.12R $$ MTZ028>42-056>058-182000- Southcentral and southeast Montana CITY SKY/WX TMP DP RH WIND PRES REMARKS Baker CLOUDY 40 36 86 NW20 30.04R WCI 30 Big Timber MOCLDY 43 23 45 VRB3 30.13R Billings CLOUDY 42 27 55 VRB7 30.13S Forsyth CLOUDY 44 30 59 NW14 30.11S Hardin CLOUDY 45 28 53 N10G16 30.12S Laurel CLOUDY 41 32 70 MISG 30.15R Livingston CLOUDY 42 22 44 NW9 30.11S Miles City CLOUDY 45 29 53 NW16G24 30.08F $$ Regional Reports...Dakotas/MN CITY SKY/WX TMP DP RH WIND PRES REMARKS Williston CLOUDY 39 33 79 N13 30.06R WCI 31 Minot CLOUDY 40 37 89N10 30.02S WCI 33 Dickinson CLOUDY 42 36 79 N10 29.98S Beach N/A 41 41 100 N17 30.05S Bowman CLOUDY 43 43 100 N12G18 29.98S Crosby CLOUDY 39 37 93 N6G12 30.07S WCI 35 Glen Ullin CLOUDY 45 37 76 N12 29.98R HAZE Hettinger LGT RAIN 43 40 89 N12 29.98R FOG Tioga CLOUDY 39 39 100 N10G17 30.06R WCI 32 Watford City CLOUDY 41 39 93 N13 30.06S Bismarck CLOUDY 44 37 76 N13 29.99S Grand Forks CLOUDY 46 41 82 N20 29.92R Fargo CLOUDY 47 44 90 N17 29.88R Buffalo SD N/A 46 33 60 NW26G35 29.96S Rapid City LGT RAIN 40 38 93 N18G32 29.97R WCI 31 Intl Falls CLOUDY 49 42 77 NE8 29.86R Duluth CLOUDY 53 48 83 N7 29.80R Minneapolis CLOUDY 59 54 83 NW13 29.76R $$ Regional Reports...WY/CO/ID/WA/OR CITY SKY/WX TMP DP RH WIND PRES REMARKS Buffalo WY CLOUDY 36 27 69 N23G37 30.03S WCI 24 Cody CLOUDY 40 22 48 N18 30.11S WCI 31 Gillette FLURRIES 36 34 92 N17 30.03R WCI 26 Powell FAIR 43 18 36 NW26G36 30.08S Sheridan CLOUDY 37 33 85 NW15 30.09F WCI 28 Yellowstone La N/A 34 12 40 CALM 30.04R Boise SUNNY 62 23 22 NW15G29 30.06F Couer d'Alene PTSUNNY 57 37 47 CALM 30.16S Idaho Falls MOSUNNY 50 19 29 N17G31 30.04R Salmon SUNNY 53 18 25 VRB3 30.12F Spokane PTSUNNY 57 38 48 SE3 30.16S Seattle PTSUNNY 57 46 66 W8 30.26S Portland MOSUNNY 61 43 51 VRB3 30.26F $$ Other Reports CITY SKY/WX TMP DP RH WIND PRES REMARKS Atlanta MOSUNNY 86 65 49 SE6G17 30.22F Anchorage PTSUNNY 48 30 49 SE16G29 29.82R Boston PTSUNNY 63 51 65 E16G25 30.16F Chicago PTSUNNY 78 66 66 S13 29.83R Fairbanks PTSUNNY 52 30 43 S6 29.72R Great Falls PTSUNNY 47 26 44 N7 30.15S Houston PTSUNNY 87 75 67 SE21G28 29.94F HX 96 Las Vegas NV MOSUNNY 69 20 15 NE20G26 29.98S Phoenix AZ MOSUNNY 81 45 28 SE6 29.81S Salt Lake City PTSUNNY 49 27 42 NE9 30.01R San Diego PTSUNNY 67 52 58 W10 29.91S San Francisco SUNNY 73 38 27 N12 29.99R Washington Dul MOSUNNY 93 64 38 E8 30.13F HX 94 $$ Regional Reports...Alberta CITY SKY/WX TMP DP RH WIND PRES REMARKS Calgary LGT RAIN 52 30 43 N3 30.04F Fort McMurray MOSUNNY 57 23 26 VRB2 30.02F High Level MOSUNNY 66 34 30 SE12G20 29.85F Lethbridge PTSUNNY 54 27 35 CALM 30.07F Medicine Hat PTSUNNY 54 30 40 S8 30.13F Pincher Creek MOSUNNY 50 36 57 S16G24 30.07F Fort Smith NWT MOSUNNY 54 19 26 S15G22 30.01F $$ Regional Reports...Saskatchewan CITY SKY/WX TMP DP RH WIND PRES REMARKS Estevan CLOUDY 41 36 81 N8 30.06R Prince Albert MOSUNNY 46 19 34 SE2 30.14F Regina PTSUNNY 41 36 81 NW7 30.13R Saskatoon PTSUNNY 46 32 57 SW6 30.14S Swift Current MOSUNNY 43 36 75 N6 30.13F $$