ASUS45 KTFX 181410 RWRMT Montana Regional Weather Roundup National Weather Service Great Falls MT 800 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>007-043-181500- West of the divide CITY SKY/WX TMP DP RH WIND PRES REMARKS Kalispell PTSUNNY 36 33 89 CALM 30.16S Missoula SUNNY 35 30 82 CALM 30.18F Butte CLOUDY 33 21 61 N7 30.14R WCI 27 Anaconda CLOUDY 32 31 97 CALM 30.14S Hamilton SUNNY 34 28 80 CALM 30.18S Mullan Pass SUNNY 33 29 85 CALM 30.12R Plains MIX PCPN 32 32 100 CALM 30.19S VSB<1/4 Ronan SUNNY 34 32 93 CALM 30.16S $$ MTZ008-052>055-181500- Southwest Montana CITY SKY/WX TMP DP RH WIND PRES REMARKS Bozeman CLOUDY 36 28 73 NW8 30.13R WCI 30 Dillon PTSUNNY 36 22 56 NE17G24 30.10R WCI 26 Ennis LGT SNOW 32 25 74 MISG 30.13R HAZE Twin Bridges PTSUNNY 37 23 56 N18G25 30.12S WCI 27 W Yellowstone CLOUDY 30 21 69 NE14 30.01R WCI 20 $$ MTZ009-010-012-014-046-048-049-054-181500- 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 CLOUDY 36 32 85 W9 30.15R WCI 29 Helena CLOUDY 38 28 67 CALM 30.15S Malmstrom AFB MOSUNNY 39 33 77 W6 30.13S WCI 35 Augusta N/A 35 29 78 W8 30.12R WCI 29 Bowmans Corner SUNNY 35 32 92 SE3 N/A Fairfield MOSUNNY 34 29 83 CALM 30.11S Power PTSUNNY 35 31 88 NW8 30.11S WCI 28 Raynesford CLOUDY 36 32 84 N9 30.11S WCI 29 $$ MTZ011-013-016-021-045-047-050-051-181500- North Central Montana CITY SKY/WX TMP DP RH WIND PRES REMARKS Havre CLOUDY 36 31 82 N7 30.17R WCI 30 Denton CLOUDY 35 32 91 NW10 30.12S WCI 27 Fort Benton CLOUDY 37 35 93 N7 30.16S WCI 31 Geyser CLOUDY 37 31 82 W14 30.10R WCI 28 Grass Range CLOUDY 35 27 74 NE15 30.04F WCI 25 N Bar Ranch CLOUDY 32 28 86 NW20G28 30.07F WCI 20 Roy CLOUDY 35 30 82 NW15 30.07R WCI 25 Stanford CLOUDY 33 31 94 W8 30.09R WCI 26 Winifred CLOUDY 34 30 87 W10 30.09S WCI 26 $$ MTZ017>020-022>027-061-062-181500- Northeast Montana CITY SKY/WX TMP DP RH WIND PRES REMARKS Glasgow CLOUDY 36 33 89 N16 30.08S WCI 26 Glendive LGT RAIN 37 36 96 NW21 30.02R WCI 26 Jordan N/A 38 30 73 NW15G23 30.08R WCI 29 Malta CLOUDY 37 34 87 N13 30.13R WCI 29 Plentywood CLOUDY 36 34 93 N15 30.05R FOG WCI 26 Poplar CLOUDY 37 36 93 N8 30.06S WCI 31 Scobey N/A 36 36 100 N15G21 30.05R WCI 26 Wolf Point CLOUDY 38 32 79 N14 30.08R WCI 30 $$ MTZ028>42-056>058-181500- Southcentral and southeast Montana CITY SKY/WX TMP DP RH WIND PRES REMARKS Baker CLOUDY 38 33 82 NW13 30.01R WCI 30Big Timber CLOUDY 37 27 65 NE6 30.11R WCI 33 Billings PTSUNNY 38 25 59 N15 30.08S WCI 29 Forsyth CLOUDY 38 34 85 NW9 30.08R WCI 32 Hardin PTSUNNY 37 34 87 N14 30.09R WCI 29 Harlowton LGT RAIN 36 30 80 E16 30.06F WCI 26 Laurel CLOUDY 39 28 65 N14 30.10R WCI 31 Livingston PTSUNNY 35 27 72 NW13 30.09S WCI 26 Miles City CLOUDY 38 29 70 NW18 30.07R WCI 28 $$ Regional Reports...Dakotas/MN CITY SKY/WX TMP DP RH WIND PRES REMARKS Williston CLOUDY 35 34 96 N12 30.02R FOG WCI 27 Minot CLOUDY 37 35 92 N13 29.99R WCI 29 Dickinson LGT RAIN 40 39 97 N5 29.96R FOG WCI 37 Beach N/A 37 37 100 W13G21 30.00S WCI 29 Bowman CLOUDY 39 39 100 NW20 29.98R WCI 30 Crosby CLOUDY 36 36 100 NE9 30.04R FOG WCI 29 Glen Ullin CLOUDY 39 37 93 N12 29.97R WCI 32 Hettinger CLOUDY 41 37 86 N7 29.98R Tioga CLOUDY 36 36 100 N10 30.03R WCI 28 Watford City CLOUDY 37 37 100 N13 30.02R WCI 29 Bismarck CLOUDY 42 37 82 N12G21 29.97R Grand Forks CLOUDY 43 41 93 N17G25 29.86R FOG Fargo CLOUDY 45 43 93 N18 29.81S FOG Buffalo SD N/A 39 33 79 NW22 29.97R WCI 29 Rapid City CLOUDY 42 40 92 N21G31 29.93S Intl Falls CLOUDY 44 42 93 NE7 29.78R Duluth DRZL/FOG 43 42 97 N3 29.73S VSB 1/2 Minneapolis CLOUDY 63 58 83 CALM 29.69R $$ Regional Reports...WY/CO/ID/WA/OR CITY SKY/WX TMP DP RH WIND PRES REMARKS Buffalo WY LGT SNOW 32 30 92 NW21G29 30.00S FOG WCI 20 Cody CLOUDY 34 25 69 N16G22 30.07R WCI 24 Gillette FLURRIES 35 33 92 N15G23 30.01R WCI 25 Powell CLOUDY 32 23 69 N18G25 30.05R WCI 20 Sheridan CLOUDY 35 33 92 NW15 30.06R WCI 25 Yellowstone La N/A 26 14 60 NE9G18 29.99R WCI 17 Boise SUNNY 46 27 47 NW13 30.08R Couer d'Alene CLOUDY 44 41 89 NE5 30.17R Idaho Falls PTSUNNY 38 20 48 N21G30 29.98R WCI 28 Salmon MOSUNNY 40 26 57 CALM 30.14S Spokane PTSUNNY 44 41 89 NE7 30.16R Seattle PTSUNNY 48 43 82 SE6 30.25R Portland PTSUNNY 49 44 83 CALM 30.27R $$ Other Reports CITY SKY/WX TMP DP RH WIND PRES REMARKS Atlanta MOSUNNY 73 65 75 SE9 30.28R Anchorage MOCLDY 43 34 70 SE16G33 29.78S Chicago CLOUDY 75 64 68 S13G23 29.84S Fairbanks MOCLDY 43 30 61 CALM 29.67R Great Falls CLOUDY 36 32 85 W9 30.15R WCI 29 Houston CLOUDY 81 73 76 S14G25 29.93R Las Vegas NV SUNNY 60 21 22 N16G26 29.91R Phoenix AZ SUNNY 70 50 49 NW9 29.75R Salt Lake City PTSUNNY 43 31 62 NW20G29 29.87R San Diego PTSUNNY 63 52 67 S7 29.88R San Francisco SUNNY 65 42 43 N25G35 29.92R Washington Dul PTSUNNY 82 6658 CALM 30.19S $$ Regional Reports...Alberta CITY SKY/WX TMP DP RH WIND PRES REMARKS Calgary MOSUNNY 39 34 81 CALM 30.09S Fort McMurray SUNNY 41 23 48 E5 30.07S High Level MOSUNNY 43 25 49 SE10 29.95S Lethbridge PTSUNNY 39 32 75 SE8 30.12F WCI 34 Medicine Hat MOSUNNY 37 32 81 S7 30.15F WCI 32 Pincher Creek CLOUDY 36 32 87 NW5 30.10S WCI 32 Fort Smith NWT MOSUNNY 37 18 44 SE9 30.10S WCI 31 $$ Regional Reports...Saskatchewan CITY SKY/WX TMP DP RH WIND PRES REMARKS Estevan LGT RAIN 36 34 93 N7 30.04R FOG WCI 30 Prince Albert PTSUNNY 37 34 87 NE3 30.16S Regina LGT SNOW 34 32 93 N8 30.10R WCI 27 Saskatoon PTSUNNY 37 34 87 W7 30.14S WCI 32 Swift Current CLOUDY 32 30 93 NW10 30.12R WCI 24 $$