ASUS45 KTFX 190510 RWRMT Montana Regional Weather Roundup National Weather Service Great Falls MT 1100 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>007-043-190600- West of the divide CITY SKY/WX TMP DP RH WIND PRES REMARKS Kalispell CLOUDY 42 40 92 CALM 30.14R Missoula PTCLDY 42 32 67 NW5 30.14R Butte CLEAR 32 21 64 SE6 30.18R WCI 26 Anaconda CLEAR 34 25 70 S8 30.15R WCI 27 Hamilton CLEAR 36 27 69 S3 30.15R Mullan Pass CLEAR 34 31 88 SW6 30.15S WCI 29 Plains PTCLDY 46 45 93 SE3 30.15R Ronan CLOUDY 46 39 76 VRB3 30.13S $$ MTZ008-052>055-190600- Southwest Montana CITY SKY/WX TMP DP RH WIND PRES REMARKS Bozeman CLEAR 37 29 72 SE9 30.18R WCI 30 Dillon CLEAR 34 14 43 S6 30.16R WCI 29 Ennis CLEAR 30 21 69 MISG 30.23R Twin Bridges CLEAR 39 18 41 SE10 30.18R WCI 32 W Yellowstone CLEAR 25 16 68 CALM 30.20R $$ MTZ009-010-012-014-046-048-049-054-190600- 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 41 27 57 SE8 30.11F Helena CLEAR 42 24 49 CALM 30.13R Augusta N/A 40 32 72 SW5 30.09R WCI 37 Bowmans Corner MOCLDY 41 31 67 SE9 N/A Raynesford CLEAR 38 27 64 SW13 30.12S WCI 30 Ulm PTCLDY 39 30 72 W7 30.08R WCI 34 $$ MTZ011-013-016-021-045-047-050-051-190600- North Central Montana CITY SKY/WX TMP DP RH WIND PRES REMARKS Havre CLEAR 39 26 59 S7 30.13S WCI 34 Denton CLEAR 35 29 76 S8 30.15S WCI 29 Fort Benton CLEAR 46 28 48 SE16G25 30.11F Geyser CLEAR 38 26 61 SE14 30.14S WCI 29 Grass Range CLEAR 32 25 74 N3 30.14S N Bar Ranch CLEAR 28 23 80 CALM 30.20S Stanford CLEAR 33 26 75 SE7 30.15R WCI 27 Winifred CLEAR 38 27 64 S10 30.14R WCI 31 $$ MTZ017>020-022>027-061-062-190600- Northeast Montana CITY SKY/WX TMP DP RH WIND PRES REMARKS Glasgow CLEAR 36 29 75 S5 30.18R WCI 32 Glendive CLOUDY 41 31 67 NW6 30.18S Jordan N/A 28 24 85 CALM 30.19S Malta CLEAR 37 34 87 CALM 30.17S Plentywood CLEAR 37 34 87 CALM 30.16S Poplar CLOUDY 39 37 93 S6 30.18S WCI 35 Scobey FAIR 34 32 93 S7 30.15S WCI 28 Wolf Point CLOUDY 37 30 75 NW3 30.19S $$ MTZ028>42-056>058-190600- Southcentral and southeast Montana CITY SKY/WX TMP DP RH WIND PRES REMARKS Baker CLOUDY 38 33 82 NW6 30.16S WCI 33 Big Timber CLEAR 36 28 75 S6 30.20S WCI 31 Billings PTCLDY 39 26 59 E6 30.20S WCI 35 Forsyth CLOUDY 40 30 65 N3 30.20FHardin PTCLDY 32 27 80 NW5 30.21R WCI 27 Laurel CLEAR 39 25 56 NE5 30.21S WCI 36 Livingston CLEAR 29 26 89 S6 30.18R WCI 23 Miles City CLOUDY 39 32 76 N3 30.20R $$ Regional Reports...Dakotas/MN CITY SKY/WX TMP DP RH WIND PRES REMARKS Williston CLOUDY 37 36 96 NW8 30.15R WCI 31 Minot CLOUDY 40 36 86 NW7 30.10S WCI 35 Dickinson CLOUDY 39 36 89 NW9 30.11R WCI 33 Beach N/A 37 37 100 NW12 30.17S WCI 30 Bowman CLOUDY 37 37 100 NW14 30.13S WCI 29 Crosby CLOUDY 37 36 93 N5 30.15S WCI 34 Glen Ullin CLOUDY 41 37 87 NW8 30.09S Hettinger CLOUDY 38 35 89 NW10 30.12S WCI 31 Tioga CLOUDY 37 37 100 N3 30.15R Watford City CLOUDY 39 39 100 NW7 30.16R WCI 34 Bismarck CLOUDY 42 37 82 NW10 30.08S Grand Forks LGT RAIN 42 41 96 N15 29.98S Fargo LGT RAIN 43 41 93 N17 29.96F Buffalo SD N/A 38 34 85 NW14 30.13S WCI 30 Rapid City PTCLDY 35 34 96 NW10 30.14R WCI 27 Intl Falls LGT RAIN 41 40 96 N7 29.87R FOG Duluth LGT RAIN 41 40 96 E17G26 29.75F Minneapolis HVY RAIN 58 56 93 NW18 29.73R FOG $$ Regional Reports...WY/CO/ID/WA/OR CITY SKY/WX TMP DP RH WIND PRES REMARKS Buffalo WY PTCLDY 32 26 78 N6 30.17R WCI 26 Cody MOCLDY 38 25 59 W3 30.23R Gillette CLOUDY 35 30 82 W7 30.17S WCI 29 Powell FAIR 34 19 55 CALM 30.18R Sheridan MOCLDY 33 28 81 W7 30.19R WCI 27 Yellowstone La N/A 28 16 60 CALM 30.21R Boise CLEAR 53 28 38 NW7 30.10R Couer d'Alene PTCLDY 49 41 74 E3 30.14R Idaho Falls CLEAR 41 18 39 E6 30.17R Salmon CLEAR 41 26 55 CALM 30.16R Spokane PTCLDY 53 39 59 S8 30.13R Seattle MOCLDY 61 38 42 NE8 30.23R Portland PTCLDY 59 41 51 N7 30.24R $$ Other Reports CITY SKY/WX TMP DP RH WIND PRES REMARKS Atlanta PTCLDY 73 60 63 SE5 30.23R Anchorage CLOUDY 46 32 57 SE17G30 29.86S Boston PTCLDY 70 60 70 S8 30.07F Chicago CLOUDY 68 62 81 S15G23 29.94R Fairbanks PTSUNNY 54 30 40 SW7 29.74R Great Falls PTCLDY 41 27 57 SE8 30.11F Houston CLOUDY 80 75 84 SE16 29.96S Las Vegas NV CLEAR 70 20 15 NE12 30.01R Phoenix AZ CLEAR 80 29 15 SW5 29.83R Salt Lake City PTCLDY 47 32 56 E7 30.14R San Diego PTCLDY 62 51 67 CALM 29.98R San Francisco CLEAR 61 43 51 NW13 29.95R Washington Dul PTCLDY 77 62 59 SW6 30.12S $$ Regional Reports...Alberta CITY SKY/WX TMP DP RH WIND PRES REMARKS Calgary PTCLDY 46 34 61 SW7 30.01SFort McMurray CLEAR 48 28 46 SE8 29.93F High Level MOCLDY 61 34 36 SE3 29.75F Lethbridge MOCLDY 41 32 70 S10 30.03F Medicine Hat CLOUDY 52 32 46 S13G20 30.05F Pincher Creek CLEAR 34 32 93 NW7 30.06R WCI 28 Fort Smith NWT PTCLDY 48 23 37 SE9 29.90F $$ Regional Reports...Saskatchewan CITY SKY/WX TMP DP RH WIND PRES REMARKS Estevan CLOUDY 37 34 87 N7 30.14S WCI 32 Prince Albert MOCLDY 43 27 52 S7 30.13S Regina PTCLDY 34 32 93 SE6 30.16S WCI 29 Saskatoon MOCLDY 45 34 65 SE10 30.12S Swift Current CLOUDY 43 34 70 S12G17 30.10F $$