ASUS45 KTFX 190410 RWRMT Montana Regional Weather Roundup National Weather Service Great Falls MT 1000 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>007-043-190500- West of the divide CITY SKY/WX TMP DP RH WIND PRES REMARKS Kalispell PTCLDY 41 39 93 CALM 30.13R Missoula PTCLDY 48 32 53 NW3 30.13R Butte CLEAR 37 22 54 S5 30.16R WCI 33 Mullan Pass PTCLDY 33 31 92 SW5 30.15S WCI 29 $$ MTZ008-052>055-190500- Southwest Montana CITY SKY/WX TMP DP RH WIND PRES REMARKS Bozeman CLEAR 40 28 62 SE9 30.17R WCI 34 Dillon CLEAR 41 16 36 NE5 30.15R $$ MTZ009-010-012-014-046-048-049-054-190500- 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 30.08S Great Falls PTCLDY 44 27 51 SE6 30.12R Helena CLEAR 45 23 42 S6 30.12R Augusta N/A 41 33 72 SE3 30.08S Bowmans Corner PTCLDY 41 30 65 SE8 N/A Power PTCLDY 40 30 66 S8 30.08S WCI 35 Raynesford CLEAR 39 27 62 S3 30.12R Ulm PTCLDY 41 31 68 W8 30.07S $$ MTZ011-013-016-021-045-047-050-051-190500- North Central Montana CITY SKY/WX TMP DP RH WIND PRES REMARKS Havre CLEAR 37 27 67 S8 30.13R WCI 31 Denton CLEAR 38 27 63 SE6 30.15R WCI 34 Geyser CLEAR 39 27 61 SE14 30.14R WCI 31 Grass Range CLEAR 33 24 69 CALM 30.14R Stanford CLEAR 33 26 75 E7 30.14R WCI 27 Winifred CLEAR 38 28 66 SE10 30.13R WCI 31 $$ MTZ017>020-022>027-061-062-190500- Northeast Montana CITY SKY/WX TMP DP RH WIND PRES REMARKS Glasgow CLEAR 39 29 67 E6 30.17R WCI 35 Glendive CLOUDY 41 31 67 NW8 30.18R Jordan N/A 34 26 72 CALM 30.19R Wolf Point MOCLDY 38 30 73 CALM 30.19R $$ MTZ028>42-056>058-190500- Southcentral and southeast Montana CITY SKY/WX TMP DP RH WIND PRES REMARKS Baker CLOUDY 38 32 79 NW8 30.16R WCI 32 Billings PTCLDY 41 26 55 NE7 30.20R Livingston CLEAR 33 27 78 S3 30.17R Miles City CLOUDY 41 30 65 NW9 30.19R $$ Regional Reports...Dakotas/MN CITY SKY/WX TMP DP RH WIND PRES REMARKS Williston CLOUDY 38 36 92 N7 30.14R WCI 33 Minot CLOUDY 40 36 86 NW7 30.10R WCI 35 Dickinson CLOUDY 39 36 89 NW9 30.10R WCI 33 Hettinger CLOUDY 37 35 92 NW9 30.12R WCI 30 Bismarck CLOUDY 42 37 82 NW12 30.08R Grand Forks CLOUDY 42 41 96 N16 29.98R Fargo LGT RAIN 43 41 93 NW13 29.97R Buffalo SD N/A 38 34 85 NW9 30.13R WCI 31 Rapid City CLOUDY 38 35 89 NW15G26 30.13R WCI 29 Intl Falls CLOUDY 42 40 92 NE10 29.86R Duluth LGT RAIN 42 41 96 E21G31 29.79F Minneapolis CLOUDY 60 58 92 SE7 29.71F $$ Regional Reports...WY/CO/ID/WA/OR CITY SKY/WX TMP DP RH WIND PRES REMARKS Buffalo WY CLOUDY 34 26 72 N7 30.16R WCI 28 Cody MOCLDY 38 25 59 NW6 30.22R WCI 33 Gillette CLOUDY 37 28 70 NW7 30.17R WCI 32 Sheridan CLOUDY 38 31 76 NW5 30.18R WCI 34 Yellowstone La N/A 29 15 56 MISG 30.19R Boise CLEAR 58 27 30 NW9 30.09R Couer d'Alene MOCLDY 53 41 63 NW5 30.13R Idaho Falls CLEAR 44 17 33 E6 30.14R Salmon CLEAR 45 20 36 SE6 30.14R Spokane PTCLDY 57 37 47 S3 30.12R Seattle MOCLDY 63 41 44 NE12 30.22R Portland PTCLDY 62 39 42 NW8 30.22R $$ Other Reports CITY SKY/WX TMP DP RH WIND PRES REMARKS Atlanta PTCLDY 75 60 59 SE5 30.22S Anchorage PTSUNNY 48 30 49 SE15G26 29.86R Boston PTCLDY 70 60 70 S6 30.09R Chicago MOCLDY 67 62 84 S8 29.90R Fairbanks PTSUNNY 54 30 40 SW7 29.73S Great Falls PTCLDY 44 27 51 SE6 30.12R Houston MOCLDY 80 75 84 SE12G23 29.96R Las Vegas NV PTCLDY 71 19 14 E14 29.98R Phoenix AZ CLEAR 83 29 14 W7G18 29.81R Salt Lake City MOCLDY 50 31 48 SE6 30.12R San Diego CLEAR 63 51 65 NW5 29.96R San Francisco CLEAR 64 39 39 W17 29.94S Washington Dul CLEAR 79 62 56 S7 30.12S $$ Regional Reports...Alberta CITY SKY/WX TMP DP RH WIND PRES REMARKS Calgary PTCLDY 46 32 57 S6 30.01R Fort McMurray CLEAR 52 25 35 SE9 29.94R High Level PTCLDY 61 34 36 S6 29.76S Lethbridge PTCLDY 41 32 70 SW10 30.04R Medicine Hat CLOUDY 50 32 50 S9G17 30.06R Pincher Creek CLEAR 43 36 75 SE6 30.05S Fort Smith NWT PTCLDY 52 23 32 SE8G17 29.91R $$ Regional Reports...Saskatchewan CITY SKY/WX TMP DP RH WIND PRES REMARKS Estevan MOCLDY 36 32 87 N9 30.14R WCI 29 Prince Albert PTCLDY 45 27 49 S8 30.13S Regina PTCLDY 37 30 75 E6 30.16R WCI 33 Saskatoon MOCLDY 43 36 75 S6 30.12R Swift Current CLOUDY 43 36 75 SE7 30.11S $$