ASUS45 KTFX 182110 RWRMT Montana Regional Weather Roundup National Weather Service Great Falls MT 300 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>007-043-182200- West of the divide CITY SKY/WX TMP DP RH WIND PRES REMARKS Kalispell PTSUNNY 56 32 40 SW17G23 30.11S HAZE Missoula PTSUNNY 58 23 26 CALM 30.11F Butte CLOUDY 42 18 37 W3 30.16R Anaconda CLOUDY 46 19 34 CALM 30.14S Hamilton PTSUNNY 57 21 24 NW13 30.13F Mullan Pass LGT SNOW 36 32 85 S3 30.14R FOG Plains LGT RAIN 57 36 44 CALM 30.10R Ronan CLEAR 57 27 30 CALM 30.11S $$ MTZ008-052>055-182200- Southwest Montana CITY SKY/WX TMP DP RH WIND PRES REMARKS Bozeman PTSUNNY 48 25 40 NW7 30.15S Dillon CLOUDY 49 16 26 N16G26 30.12R Ennis CLOUDY 43 19 39 MISG 30.19S Twin Bridges CLOUDY 48 18 29 N17 30.15R W Yellowstone MOSUNNY 41 16 36 N16G24 30.10R $$ MTZ009-010-012-014-046-048-049-054-182200- 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 30.09F Great Falls CLOUDY 50 26 39 VRB7 30.15S Helena MOSUNNY 51 21 30 N7 30.16R Malmstrom AFB PTSUNNY 49 29 46 S5 30.13S Augusta N/A 48 26 41 CALM 30.09F Bowmans Corner MOSUNNY 49 29 45 NE6 N/A Fairfield MOSUNNY 52 28 39 W6 30.09F $$ MTZ011-013-016-021-045-047-050-051-182200- North Central Montana CITY SKY/WX TMP DP RH WIND PRES REMARKS Havre MOSUNNY 52 24 33 E9 30.15S Fort Benton CLEAR 51 26 37 VRB6 30.14S Geyser MOSUNNY 47 25 41 N5 30.13R Grass Range CLOUDY 41 28 59 E6 30.11R N Bar Ranch CLOUDY 37 28 70 N9 30.15R WCI 31 Roy CLOUDY 44 28 54 N9 30.11S Stanford PTSUNNY 44 26 48 NW10G18 30.12S Winifred PTSUNNY 47 31 53 NE13G18 30.11 $$ MTZ017>020-022>027-061-062-182200- Northeast Montana CITY SKY/WX TMP DP RH WIND PRES REMARKS Glasgow CLOUDY 43 34 70 N21 30.14S Glendive CLOUDY 46 30 53 N20G29 30.07R Jordan N/A 44 27 51 N21G26 30.12F Malta CLOUDY 46 30 53 NE7G18 30.16S Plentywood CLOUDY 41 34 75 N18 30.10S Poplar CLOUDY 45 34 65 N12 30.12R Scobey N/A 41 36 81 N18 30.11R Wolf Point CLOUDY 44 31 60 N9 30.12F $$ MTZ028>42-056>058-182200- Southcentral and southeast Montana CITY SKY/WX TMP DP RH WIND PRES REMARKS Baker CLOUDY 42 33 70 N15 30.06R Big Timber PTCLDY 43 27 52 CALM 30.15S Billings CLOUDY 44 26 49 N5 30.13F Forsyth CLOUDY 46 28 50 NW14 30.10FHardin CLOUDY 48 27 43 N10G20 30.11R Harlowton FAIR 46 27 47 E15G22 30.10R Laurel PTCLDY 48 28 46 NW6G15 30.14F Livingston CLOUDY 43 25 49 SW6 30.13R Miles City CLOUDY 46 29 51 N16 30.09R $$ Regional Reports...Dakotas/MN CITY SKY/WX TMP DP RH WIND PRES REMARKS Williston CLOUDY 42 34 73 N16 30.06F Minot CLOUDY 43 37 79 N13 30.01F Dickinson CLOUDY 42 35 76 N13 30.00R Beach N/A 41 37 87 N14 30.07R Bowman LGT RAIN 41 41 100 N18 30.02R Crosby LGT RAIN 41 39 93 N12 30.08S Glen Ullin CLOUDY 45 36 70 N15 30.00R Hettinger CLOUDY 43 36 76 N15G22 30.00R Tioga CLOUDY 41 39 93 N14 30.06F Watford City CLOUDY 43 39 87 N13 30.06S Bismarck CLOUDY 43 38 82 N12G20 30.00R Grand Forks CLOUDY 46 40 79 N17G25 29.92F Fargo CLOUDY 48 43 82 N18G25 29.87F Buffalo SD N/A 42 38 85 NW21G31 30.01R Rapid City LGT RAIN 41 38 89 N17 30.02R Intl Falls CLOUDY 49 41 74 N9 29.86F Duluth CLOUDY 55 48 77 N7 29.80S Minneapolis CLOUDY 59 56 89 N5 29.76F FOG $$ Regional Reports...WY/CO/ID/WA/OR CITY SKY/WX TMP DP RH WIND PRES REMARKS Buffalo WY CLOUDY 38 28 67 N24G39 30.04R WCI 27 Cody CLOUDY 43 22 43 NW10 30.12R Gillette CLOUDY 38 34 85 N17 30.06R WCI 28 Powell FAIR 45 18 33 NW23G33 30.08S Sheridan CLOUDY 42 33 70 N16 30.10S Yellowstone La N/A 37 14 38 VRB3 30.07R Boise SUNNY 66 21 18 NW12G25 30.04F Couer d'Alene PTSUNNY 59 38 45 SW6 30.13F Idaho Falls MOSUNNY 55 17 22 NE17G24 30.05S Salmon PTSUNNY 57 16 20 N6G21 30.10S Spokane MOSUNNY 61 34 36 W7 30.13F Seattle PTSUNNY 62 45 53 VRB3 30.25F Portland MOSUNNY 66 43 43 VRB6 30.24F $$ Other Reports CITY SKY/WX TMP DP RH WIND PRES REMARKS Atlanta MOSUNNY 87 64 46 SE9 30.19F Anchorage PTSUNNY 50 30 46 SE20G28 29.84S Boston PTSUNNY 62 51 67 E13 30.12F Chicago CLOUDY 77 63 61 SW15G29 29.82F Fairbanks PTSUNNY 55 30 38 W9 29.72S Great Falls CLOUDY 50 26 39 VRB7 30.15S Houston PTSUNNY 86 75 69 S15 29.91F HX 95 Las Vegas NV MOSUNNY 70 18 13 VRB3 29.95F Phoenix AZ MOSUNNY 81 47 30 VRB3 29.78F Salt Lake City PTSUNNY 52 29 41 N10 30.03R San Diego MOSUNNY 69 51 52 SW10 29.91S San Francisco SUNNY 77 39 25 N7 29.97F Washington Dul MOSUNNY 93 64 38 SE9 30.10F HX 94 $$ Regional Reports...Alberta CITY SKY/WX TMP DP RH WIND PRES REMARKSCalgary PTSUNNY 52 34 50 N10G17 30.05S Fort McMurray SUNNY 59 21 23 VRB2 29.99F High Level PTSUNNY 70 30 23 S14 29.81F Lethbridge PTSUNNY 57 27 30 VRB2 30.05F Medicine Hat PTSUNNY 55 28 35 W8 30.10F Pincher Creek LGT RAIN 50 36 57 NE15G21 30.06S Fort Smith NWT MOSUNNY 59 23 25 SE15G21 29.97F $$ Regional Reports...Saskatchewan CITY SKY/WX TMP DP RH WIND PRES REMARKS Estevan LGT RAIN 41 37 87 N9 30.08S Prince Albert MOSUNNY 52 21 30 E9 30.13F Regina PTSUNNY 43 34 70 N7 30.13S Saskatoon MOSUNNY 50 36 57 SW9 30.12F Swift Current MOSUNNY 46 34 61 VRB6 30.12F $$