ASUS45 KTFX 182210 RWRMT Montana Regional Weather Roundup National Weather Service Great Falls MT 400 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>007-043-182300- West of the divide CITY SKY/WX TMP DP RH WIND PRES REMARKS Kalispell MOSUNNY 56 32 40 S8 30.10F Missoula PTSUNNY 60 25 26 SW9 30.10F Butte CLOUDY 44 17 33 W7 30.15F Anaconda MOCLDY 46 22 38 N12 30.13F Hamilton PTSUNNY 57 19 23 CALM 30.12F Mullan Pass PTSUNNY 36 34 92 S7 30.14S WCI 30 Plains PTCLDY 61 34 36 VRB3 30.09F Ronan CLEAR 57 25 28 VRB6 30.10S $$ MTZ008-052>055-182300- Southwest Montana CITY SKY/WX TMP DP RH WIND PRES REMARKS Bozeman PTSUNNY 50 22 33 VRB6 30.14F Dillon CLOUDY 52 15 23 NE15 30.12S Ennis CLOUDY 43 18 36 MISG 30.19S Twin Bridges MOCLDY 50 18 27 N10G25 30.14F W Yellowstone MOSUNNY 41 14 33 N14G21 30.11R $$ MTZ009-010-012-014-046-048-049-054-182300- 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 30.08F Great Falls N/A 49 27 42 S7 30.14F Helena MOSUNNY 52 22 30 N10 30.13F Malmstrom AFB PTSUNNY 50 29 43 E7 30.13S Augusta N/A 48 25 40 SE5 30.09S Bowmans Corner PTSUNNY 50 28 42 N3 N/A Power CLOUDY 51 25 37 E7 30.09 Raynesford PTSUNNY 49 24 37 E9 30.11F $$ MTZ011-013-016-021-045-047-050-051-182300- North Central Montana CITY SKY/WX TMP DP RH WIND PRES REMARKS Havre CLOUDY 51 23 33 SE6 30.14F Denton CLOUDY 45 27 49 W5 30.13S Fort Benton PTCLDY 51 23 34 VRB3 30.13F Geyser MOSUNNY 49 23 36 N12 30.12F N Bar Ranch CLOUDY 39 28 65 NW8 30.15S WCI 34 Roy PTSUNNY 45 29 52 N10 30.11S Stanford PTSUNNY 46 25 44 NW12G17 30.12S Winifred MOSUNNY 47 27 45 N10 30.11S $$ MTZ017>020-022>027-061-062-182300- Northeast Montana CITY SKY/WX TMP DP RH WIND PRES REMARKS Glasgow CLOUDY 44 31 60 N13 30.14S Glendive CLOUDY 46 30 53 NW18G28 30.08R Jordan N/A 43 28 55 N16 30.14R Malta PTSUNNY 46 30 53 VRB5G18 30.15F Plentywood CLOUDY 43 34 70 N18 30.10S Poplar CLOUDY 45 32 61 N10 30.12S Scobey N/A 41 36 81 N18 30.11F Wolf Point CLOUDY 46 31 55 N14G22 30.13R $$ MTZ028>42-056>058-182300- Southcentral and southeast Montana CITY SKY/WX TMP DP RH WIND PRES REMARKS Baker CLOUDY 42 31 64 NW15G24 30.07R Big Timber PTCLDY 45 28 53 W6 30.15S Billings PTSUNNY 47 26 44 N12G21 30.13SForsyth CLOUDY 46 28 48 NW13 30.12R Hardin CLOUDY 48 27 43 N13 30.12R Laurel MOCLDY 48 27 43 VRB6G15 30.14F Livingston CLOUDY 45 25 45 SW12 30.12F Miles City CLOUDY 45 28 51 NW13G26 30.10R $$ Regional Reports...Dakotas/MN CITY SKY/WX TMP DP RH WIND PRES REMARKS Williston CLOUDY 42 33 70 N18 30.06S Minot CLOUDY 42 36 79 NW14 30.04R Dickinson CLOUDY 42 35 76 NW12 30.02R Beach N/A 41 36 81 N15 30.07S Bowman CLOUDY 41 41 100 N17G23 30.05R Crosby PTSUNNY 41 39 93 N12 30.07S Glen Ullin CLOUDY 45 36 70 N14 30.02R Hettinger CLOUDY 42 36 79 N10G21 30.04R Tioga CLOUDY 41 39 93 N13 30.07R Watford City CLOUDY 43 37 81 N9G15 30.07R Bismarck CLOUDY 43 37 79 N12 30.02R Grand Forks CLOUDY 45 40 82 N16 29.92S Fargo CLOUDY 47 43 86 N17 29.91R Buffalo SD N/A 40 38 93 NW22G33 30.04R WCI 30 Rapid City LGT RAIN 41 38 89 NW17G28 30.03R Intl Falls CLOUDY 47 42 83 N9 29.86S Duluth CLOUDY 55 48 77 E5 29.80S Minneapolis CLOUDY 60 56 86 N3 29.76S $$ Regional Reports...WY/CO/ID/WA/OR CITY SKY/WX TMP DP RH WIND PRES REMARKS Buffalo WY CLOUDY 41 28 60 N25G37 30.05R Cody CLOUDY 43 22 43 N9 30.12S Gillette CLOUDY 42 33 70 NW17G28 30.06S Powell FAIR 45 19 36 N24G32 30.09S Sheridan CLOUDY 41 31 67 NW16 30.11R Yellowstone La N/A 36 13 38 NW9G23 30.08R WCI 29 Boise SUNNY 68 22 17 NW20G26 30.04S Couer d'Alene MOSUNNY 61 36 39 W10 30.11F Idaho Falls MOSUNNY 55 17 22 N12G22 30.05S Salmon PTSUNNY 58 17 20 N12G18 30.10S Spokane MOSUNNY 62 31 31 NW7 30.11 Seattle MOSUNNY 63 44 50 VRB5G17 30.24F Portland MOSUNNY 68 43 40 W9 30.22F $$ Other Reports CITY SKY/WX TMP DP RH WIND PRES REMARKS Atlanta MOSUNNY 85 62 46 SE13 30.18F Anchorage PTSUNNY 52 34 50 SE18G35 29.84S Boston PTSUNNY 62 53 72 NE5 30.08F Chicago CLOUDY 77 64 64 SW13G25 29.85R Fairbanks PTSUNNY 54 27 35 SW8 29.72S Great Falls N/A 49 27 42 S7 30.14F Houston PTSUNNY 86 75 69 S17G29 29.90F HX 95 Las Vegas NV MOSUNNY 73 17 12 VRB3 29.93F Phoenix AZ MOSUNNY 84 45 25 W14 29.78S Salt Lake City PTSUNNY 51 31 46 N7 30.05R San Diego MOSUNNY 67 52 58 SW12 29.92R San Francisco SUNNY 79 34 19 NW15G22 29.96F Washington Dul MOSUNNY 92 63 38 SE12G18 30.09F HX 93 $$ Regional Reports...Alberta CITY SKY/WX TMP DP RH WIND PRES REMARKSCalgary PTSUNNY 52 30 43 N6 30.04F Fort McMurray MOSUNNY 61 21 21 VRB7 29.98F High Level PTSUNNY 68 28 22 SE9 29.80F Lethbridge PTSUNNY 55 32 41 SW13 30.04F Medicine Hat PTSUNNY 55 28 35 SW9 30.09F Pincher Creek LGT RAIN 43 34 70 NE3G17 30.09R Fort Smith NWT MOSUNNY 59 25 27 SE14G20 29.95F $$ Regional Reports...Saskatchewan CITY SKY/WX TMP DP RH WIND PRES REMARKS Estevan CLOUDY 41 37 87 N20 30.07F Prince Albert MOSUNNY 52 21 30 SE5 30.13S Regina PTSUNNY 45 34 65 N10G18 30.13S Saskatoon PTSUNNY 50 37 62 W6 30.11F Swift Current MOSUNNY 46 32 57 W5 30.12S $$