ASUS45 KTFX 180910 RWRMT Montana Regional Weather Roundup National Weather Service Great Falls MT 300 AM 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>007-043-181000- West of the divide CITY SKY/WX TMP DP RH WIND PRES REMARKS Kalispell PTCLDY 31 29 92 CALM 30.15R Missoula CLEAR 30 26 85 E3 30.16R Butte CLOUDY 33 26 75 VRB5 30.10R WCI 29 Anaconda LGT SNOW 31 31 100 VRB5 30.12R VSB 3/4 WCI 27 Hamilton MOCLDY 28 27 93 CALM 30.15R Mullan Pass PTCLDY 32 22 66 CALM 30.13R Plains SUNNY 32 32 100 CALM 30.18R Ronan SUNNY 32 30 93 CALM 30.15R $$ MTZ008-052>055-181000- Southwest Montana CITY SKY/WX TMP DP RH WIND PRES REMARKS Bozeman CLOUDY 36 29 75 NW10 30.10R WCI 28 Dillon CLOUDY 34 23 64 N17 30.06F WCI 23 Ennis CLOUDY 32 25 74 MISG 30.10F Twin Bridges CLOUDY 36 25 64 N17 30.10S WCI 25 W Yellowstone CLOUDY 28 19 69 N8 30.00S WCI 20 $$ MTZ009-010-012-014-046-048-049-054-181000- 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 30.13R Great Falls CLEAR 31 30 96 SW8 30.13S WCI 23 Helena CLOUDY 37 27 67 NW12 30.13S WCI 29 Augusta N/A 31 29 93 W8 30.10 WCI 24 Fairfield CLEAR 31 29 95 NE5 30.09S WCI 26 Power CLEAR 30 29 96 W8 30.09S WCI 23 Raynesford LGT RAIN 35 31 88 N8 30.09 WCI 28 Ulm PTCLDY 34 33 96 N3 30.09S $$ MTZ011-013-016-021-045-047-050-051-181000- North Central Montana CITY SKY/WX TMP DP RH WIND PRES REMARKS Havre MOCLDY 31 28 89 N7 30.12S WCI 24 Fort Benton CLOUDY 33 33 100 W3 30.13R Grass Range CLOUDY 36 29 76 NE8 30.01R WCI 30 N Bar Ranch CLOUDY 32 30 93 NW17 30.04S WCI 21 Roy CLOUDY 35 32 89 W15 30.02R WCI 25 Stanford CLOUDY 33 31 91 SW16 30.06R WCI 23 Winifred CLOUDY 35 32 90 W13 30.04R WCI 26 $$ MTZ017>020-022>027-061-062-181000- Northeast Montana CITY SKY/WX TMP DP RH WIND PRES REMARKS Glasgow CLOUDY 36 34 92 NW13 30.03R WCI 27 Glendive CLEAR 37 35 92 NW14 29.95F WCI 28 Jordan N/A 38 33 82 NW10 30.00S WCI 31 Malta CLOUDY 36 36 100 NW7 30.07R WCI 30 Plentywood CLOUDY 37 36 93 NE7 29.99R WCI 32 Poplar LGT RAIN 41 41 100 N9 29.96S FOG Scobey CLOUDY 36 36 100 N10 29.99R WCI 28 Wolf Point LGT RAIN 40 38 93 N15G21 30.00R WCI 32 $$ MTZ028>42-056>058-181000- Southcentral and southeast Montana CITY SKY/WX TMP DP RH WIND PRES REMARKS Baker CLOUDY 42 37 82 NW15G28 29.92F Big Timber CLOUDY 34 27 75 MISG 30.08R Billings CLOUDY 37 30 75 NW7 30.06R WCI 32 Forsyth CLOUDY 41 35 79 NW13 30.01RHardin CLOUDY 41 32 70 NW10 30.02S Harlowton CLOUDY 34 28 80 E22 30.04R WCI 22 Laurel CLOUDY 37 30 75 MISG 30.07R Livingston CLOUDY 33 27 78 W8 30.08R WCI 26 Miles City CLOUDY 43 35 73 N12 29.98S $$ Regional Reports...Dakotas/MN CITY SKY/WX TMP DP RH WIND PRES REMARKS Williston CLOUDY 37 37 100 NE10 29.95R FOG WCI 30 Minot CLOUDY 36 35 96 N14 29.92R WCI 27 Dickinson CLOUDY 39 39 100 N7 29.89R WCI 34 Beach N/A 43 43 100 NW5 29.94R Bowman CLOUDY 43 43 100 N9 29.89S FOG Crosby CLOUDY 36 36 100 E7 29.99R WCI 30 Glen Ullin CLOUDY 41 39 93 N9 29.89R Hettinger CLOUDY 41 38 89 N8 29.90R Tioga CLOUDY 36 36 100 NE9 29.95S WCI 29 Watford City CLOUDY 41 41 100 CALM 29.95R Bismarck CLOUDY 42 39 89 NW12 29.90R Grand Forks CLOUDY 43 42 97 N15 29.75F Fargo CLOUDY 46 45 96 N16 29.69F Buffalo SD N/A 40 37 89 NW15 29.89S WCI 32 Rapid City CLOUDY 44 36 73 NW18 29.87R Intl Falls CLOUDY 43 42 97 N6 29.74R Duluth LGT RAIN 39 39 100 E8 29.68F WCI 33 Minneapolis CLOUDY 57 55 93 CALM 29.67R $$ Regional Reports...WY/CO/ID/WA/OR CITY SKY/WX TMP DP RH WIND PRES REMARKS Buffalo WY CLOUDY 35 29 78 N20 29.94R WCI 24 Cody CLOUDY 33 23 66 N9G16 30.03S WCI 25 Gillette CLOUDY 39 31 72 N14 29.94R WCI 31 Powell MOCLDY 32 21 64 NW23G30 29.98S WCI 19 Sheridan MOCLDY 36 31 82 NW13 29.99S WCI 27 Yellowstone La N/A 26 15 63 MISG 29.97S Boise CLEAR 44 27 51 NW15 30.01F Couer d'Alene LGT RAIN 45 41 86 SW6 30.17S Idaho Falls CLOUDY 40 19 43 N23G31 29.94R WCI 30 Salmon CLOUDY 36 25 64 CALM 30.11R Spokane MOCLDY 45 41 86 E5 30.15F Seattle MOCLDY 50 43 77 SE6 30.25S Portland MOCLDY 52 45 77 W6 30.27R $$ Other Reports CITY SKY/WX TMP DP RH WIND PRES REMARKS Atlanta PTCLDY 65 62 90 SE5 30.19R Anchorage MOCLDY 43 36 75 SE18G43 29.74R Boston PTCLDY 61 46 57 E3 30.17R Chicago MOCLDY 74 57 55 S12G28 29.82F Fairbanks MOCLDY 50 27 40 SW13G22 29.59R Great Falls CLEAR 31 30 96 SW8 30.13S WCI 23 Houston CLOUDY 79 74 84 S17 29.87F Las Vegas NV PTCLDY 60 23 24 N29G46 29.81R Phoenix AZ CLEAR 74 41 30 W12 29.67R Salt Lake City LGT RAIN 43 36 76 N10 29.77F San Diego MOCLDY 63 53 70 S7 29.84F San Francisco CLEAR 68 38 33 N25G33 29.86S Washington Dul PTCLDY 65 61 87 CALM 30.14R $$ Regional Reports...Alberta CITY SKY/WX TMP DP RH WIND PRES REMARKSCalgary PTCLDY 37 32 81 W3 30.10F Fort McMurray CLEAR 30 21 69 S3 30.10F High Level CLEAR 45 27 49 E7 29.98F Lethbridge CLOUDY 30 27 86 SW9 30.13S WCI 22 Medicine Hat MOCLDY 34 30 86 NE3 30.16S Pincher Creek CLOUDY 32 30 93 W10 30.11F WCI 24 Fort Smith NWT CLEAR 32 16 51 SE8 30.13F WCI 25 $$ Regional Reports...Saskatchewan CITY SKY/WX TMP DP RH WIND PRES REMARKS Estevan CLOUDY 34 34 100 E12 29.98R WCI 25 Prince Albert CLOUDY 28 27 93 CALM 30.14S Regina FLURRIES 32 32 100 N8 30.03S WCI 25 Saskatoon MOCLDY 32 32 100 NW8 30.12S WCI 25 Swift Current LGT SNOW 32 32 100 N10 30.07 WCI 24 $$