ASUS45 KTFX 181610 RWRMT Montana Regional Weather Roundup National Weather Service Great Falls MT 1000 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>007-043-181700- West of the divide CITY SKY/WX TMP DP RH WIND PRES REMARKS Kalispell MOSUNNY 44 32 62 SE5 30.16S Missoula MOSUNNY 42 31 64 E3 30.17F Butte CLOUDY 37 17 44 N8 30.14S WCI 31 Anaconda SUNNY 37 29 73 VRB3 30.15S Hamilton SUNNY 45 30 57 CALM 30.17F Mullan Pass PTSUNNY 36 28 73 CALM 30.13R Plains SUNNY 45 41 87 CALM 30.17F Ronan PTSUNNY 45 32 61 CALM 30.16F $$ MTZ008-052>055-181700- Southwest Montana CITY SKY/WX TMP DP RH WIND PRES REMARKS Bozeman CLOUDY 39 26 59 NW12 30.14R WCI 32 Dillon CLOUDY 42 17 36 N23G31 30.11R Ennis PTSUNNY 34 23 64 MISG 30.15S Twin Bridges CLOUDY 43 19 39 N17G23 30.15R W Yellowstone CLOUDY 32 18 55 NE17G23 30.04R WCI 21 $$ MTZ009-010-012-014-046-048-049-054-181700- 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 30.14S Great Falls MOSUNNY 43 33 68 NW6 30.14F Helena CLOUDY 42 26 53 VRB5 30.16R Bowmans Corner CLOUDY 42 31 64 N5 N/A Ulm MOSUNNY 43 34 71 NE6 30.10R $$ MTZ011-013-016-021-045-047-050-051-181700- North Central Montana CITY SKY/WX TMP DP RH WIND PRES REMARKS Havre PTSUNNY 41 29 62 NE3 30.17F Fort Benton MOSUNNY 42 34 75 N8 30.16S Geyser PTSUNNY 40 29 66 N6 30.10S WCI 35 Grass Range CLOUDY 37 28 70 NE14 30.05R WCI 29 N Bar Ranch CLOUDY 34 28 80 NW21 30.08S WCI 22 Roy CLOUDY 37 30 75 NW14 30.08S WCI 29 $$ MTZ017>020-022>027-061-062-181700- Northeast Montana CITY SKY/WX TMP DP RH WIND PRES REMARKS Glasgow CLOUDY 39 30 70 N15G23 30.09S WCI 31 Glendive LGT RAIN 38 36 92 NW17 30.06R WCI 28 Jordan N/A 40 30 67 N17G23 30.10R WCI 31 Malta CLOUDY 39 36 87 N18 30.13S WCI 30 Plentywood CLOUDY 37 34 87 N14 30.06S WCI 29 Poplar CLOUDY 39 34 81 N8 30.09R WCI 34 Scobey N/A 37 36 93 N17 30.05F WCI 28 Wolf Point CLOUDY 40 32 73 N9 30.10R WCI 34 $$ MTZ028>42-056>058-181700- Southcentral and southeast Montana CITY SKY/WX TMP DP RH WIND PRES REMARKS Baker CLOUDY 40 35 83 NW20 30.02F WCI 30 Billings CLOUDY 39 27 62 N7 30.11R WCI 34 Forsyth CLOUDY 40 34 80 N12 30.10S WCI 33 Hardin CLOUDY 41 30 65 NW12G20 30.10S Laurel CLOUDY 39 28 65 CALM 30.13R Livingston CLOUDY 38 24 57 N14 30.10S WCI 30 Miles City CLOUDY 40 31 70 NW14 30.08S WCI 32 $$ Regional Reports...Dakotas/MN CITY SKY/WX TMP DP RH WIND PRES REMARKS Williston CLOUDY 36 34 92 N12 30.05R WCI 28 Minot CLOUDY 38 36 92 N12 30.00S WCI 30 Dickinson CLOUDY 41 39 93 N10 29.97S Beach RAIN 39 39 100 N15 30.02S WCI 31 Bowman CLOUDY 39 39 100 NW16 29.99S WCI 30 Crosby CLOUDY 37 37 100 N8 30.05S FOG WCI 31 Glen Ullin CLOUDY 41 37 87 N13 29.98R Hettinger CLOUDY 44 38 79 N12 29.97F Tioga CLOUDY 37 37 100 N8 30.05R WCI 31 Watford City CLOUDY 39 39 100 N6 30.05R WCI 35 Bismarck CLOUDY 43 37 79 NW14 29.97F Grand Forks CLOUDY 43 42 97 N18G26 29.88R FOG Fargo CLOUDY 46 43 89 N20 29.86R Buffalo SD N/A 41 32 70 NW25G35 29.97S Rapid City LGT RAIN 41 38 89 N24G33 29.95S Intl Falls CLOUDY 45 43 93 N7 29.81R FOG Duluth CLOUDY 47 46 97 NW6 29.75R FOG Minneapolis CLOUDY 64 59 83 S5 29.72R $$ Regional Reports...WY/CO/ID/WA/OR CITY SKY/WX TMP DP RH WIND PRES REMARKS Buffalo WY CLOUDY 34 31 88 N23G32 30.00S WCI 22 Cody CLOUDY 35 23 61 N18 30.09R WCI 24 Gillette CLOUDY 35 33 92 N22 30.01R WCI 23 Powell N/A 36 21 55 NW21G31 30.05S WCI 24 Sheridan LGT SNOW 35 34 96 NW9 30.07S FOG WCI 28 Yellowstone La N/A 30 14 51 N7 30.01R WCI 23 Boise SUNNY 55 23 28 NW16G24 30.09R Couer d'Alene CLOUDY 48 43 82 CALM 30.18R Idaho Falls PTSUNNY 44 20 38 N26G35 30.01R Salmon SUNNY 47 18 31 N10 30.13S Spokane MOSUNNY 48 41 76 SE5 30.17S Seattle PTSUNNY 51 45 79 CALM 30.26S Portland PTSUNNY 53 45 74 VRB3 30.27S $$ Other Reports CITY SKY/WX TMP DP RH WIND PRES REMARKS Atlanta MOSUNNY 79 66 64 SE5 30.27F Anchorage PTSUNNY 45 30 57 SE12G22 29.79S Boston MOSUNNY 64 50 60 E17 30.22F Chicago TSTM 73 66 78 SW30G39 29.87R VSB 1 Fairbanks PTSUNNY 45 30 57 CALM 29.70R Great Falls MOSUNNY 43 33 68 NW6 30.14F Houston CLOUDY 82 74 76 S13G28 29.94R Las Vegas NV SUNNY 62 21 20 N10G23 29.96R Phoenix AZ MOSUNNY 76 48 37 SW6 29.78R Salt Lake City PTSUNNY 45 31 58 N8 29.91R San Diego PTSUNNY 63 52 67 S5 29.90R San Francisco SUNNY 67 44 43 NE18G26 29.94R Washington Dul SUNNY 89 63 41 CALM 30.18S HX 90 $$ Regional Reports...Alberta CITY SKY/WX TMP DP RH WIND PRES REMARKS Calgary MOSUNNY 46 32 57 W5 30.08F Fort McMurray SUNNY 52 23 32 NE7 30.06S High Level MOSUNNY 52 28 40 S13 29.92F Lethbridge PTSUNNY 48 30 49 SE8 30.11F Medicine Hat MOSUNNY 46 32 57 S6 30.15F Pincher Creek SUNNY 48 34 57 W8 30.09F Fort Smith NWT MOSUNNY 45 18 33 SE8 30.06F $$ Regional Reports...Saskatchewan CITY SKY/WX TMP DP RH WIND PRES REMARKS Estevan CLOUDY 37 36 93 N9 30.05R WCI 31 Prince Albert MOSUNNY 45 21 39 SE6 30.16S Regina LGT RAIN 37 36 93 N9 30.11S WCI 31 Saskatoon PTSUNNY 43 30 61 E3 30.15S Swift Current PTSUNNY 34 30 86 NW9 30.14S WCI 26 $$