ASUS45 KTFX 181210 RWRMT Montana Regional Weather Roundup National Weather Service Great Falls MT 600 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>007-043-181300- West of the divide CITY SKY/WX TMP DP RH WIND PRES REMARKS Kalispell CLOUDY 32 30 92 CALM 30.16S Missoula PTCLDY 27 24 89 CALM 30.18R Butte PTCLDY 30 27 88 NW5 30.12R WCI 25 Anaconda CLOUDY 29 28 96 E3 30.12S Hamilton CLEAR 21 19 93 SE3 30.17R Mullan Pass CLEAR 31 27 85 W3 30.11F Plains FOG 30 30 100 CALM 30.19S VSB<1/4 Ronan PTSUNNY 30 28 93 NE3 30.16S $$ MTZ008-052>055-181300- Southwest Montana CITY SKY/WX TMP DP RH WIND PRES REMARKS Bozeman CLOUDY 35 28 75 NW7 30.12R WCI 29 Dillon CLOUDY 32 23 69 NE14 30.08S WCI 22 Ennis CLOUDY 30 25 80 MISG 30.12S Twin Bridges CLOUDY 30 25 80 N12 30.12R WCI 21 W Yellowstone CLOUDY 28 21 74 N9 29.99S WCI 20 $$ MTZ009-010-012-014-046-048-049-054-181300- 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 30.13S Great Falls CLOUDY 33 32 96 W8 30.14R WCI 26 Helena CLOUDY 36 28 73 W3 30.14S Malmstrom AFB MOCLDY 37 32 81 W9 30.12S WCI 31 Augusta N/A 30 26 87 W12 30.11S WCI 20 Fairfield CLEAR 29 28 94 CALM 30.10S Power CLOUDY 30 28 94 NW7 30.10S WCI 23 Raynesford FLURRIES 36 32 87 NW12 30.09 WCI 27 Ulm PTCLDY 35 33 94 N3 30.10R $$ MTZ011-013-016-021-045-047-050-051-181300- North Central Montana CITY SKY/WX TMP DP RH WIND PRES REMARKS Havre CLOUDY 33 31 92 NW3 30.15R Denton CLOUDY 34 32 93 NW10 30.09 WCI 26 Fort Benton CLOUDY 36 35 99 CALM 30.13S Geyser LGT RAIN 36 32 87 W12 30.08S WCI 27 Grass Range CLOUDY 35 28 74 NE16 30.03R WCI 25 N Bar Ranch CLOUDY 30 28 93 NW18G28 30.06S WCI 18 Roy CLOUDY 34 30 87 NW14 30.06R WCI 24 Stanford CLOUDY 34 30 88 SW18 30.06S WCI 23 $$ MTZ017>020-022>027-061-062-181300- Northeast Montana CITY SKY/WX TMP DP RH WIND PRES REMARKS Glasgow CLOUDY 36 33 89 NW13 30.05R WCI 27 Glendive CLOUDY 39 38 96 NW17 29.98R FOG WCI 30 Jordan N/A 34 29 82 N15 30.04R WCI 24 Malta CLOUDY 34 34 100 NW9 30.09R WCI 26 Plentywood CLOUDY 36 34 93 N13 30.00R WCI 27 Poplar CLOUDY 37 37 100 N7G15 30.02R WCI 32 Scobey CLOUDY 34 34 100 N14 30.01S WCI 24 Wolf Point CLOUDY 37 33 85 N10 30.04R WCI 30 $$ MTZ028>42-056>058-181300- Southcentral and southeast Montana CITY SKY/WX TMP DP RH WIND PRES REMARKS Baker CLOUDY 36 33 89 NW20G26 29.97R WCI 25 Big Timber CLOUDY 36 27 69 W7G14 30.09S WCI 30Billings CLOUDY 38 31 76 NW7 30.07R WCI 33 Forsyth CLOUDY 39 34 84 N9 30.05R WCI 33 Hardin CLOUDY 41 32 70 NW7G14 30.06R Harlowton CLOUDY 35 26 70 NE15 30.06R WCI 25 Laurel CLOUDY 37 28 70 MISG 30.08S Livingston CLOUDY 33 27 78 NW6 30.08S WCI 28 Miles City CLOUDY 39 32 76 NW13 30.03R WCI 31 $$ Regional Reports...Dakotas/MN CITY SKY/WX TMP DP RH WIND PRES REMARKS Williston FOG 35 35 100 N13 29.97R VSB 1/2 WCI 26 Minot CLOUDY 36 35 96 NW12 29.97R WCI 28 Dickinson CLOUDY 39 38 96 N8 29.90S WCI 33 Beach N/A 37 37 100 NW16 29.96S WCI 28 Bowman PTSUNNY 41 41 100 NW10 29.93R Crosby CLOUDY 34 34 100 N9 30.00R FOG WCI 26 Glen Ullin CLOUDY 39 39 100 N12 29.91S WCI 32 Hettinger CLOUDY 40 38 93 N8 29.92R WCI 34 Tioga CLOUDY 34 34 100 N12 29.98R FOG WCI 25 Watford City CLOUDY 37 37 100 NE7 29.97R FOG WCI 32 Bismarck CLOUDY 41 38 89 N13G21 29.92R Grand Forks CLOUDY 42 41 96 N16 29.82R FOG Fargo CLOUDY 46 45 96 N15 29.76S FOG Buffalo SD N/A 41 36 82 NW24G31 29.93R Rapid City LGT RAIN 42 38 85 NW18 29.93R Intl Falls CLOUDY 44 43 96 NE6 29.74R Duluth CLOUDY 40 40 100 E6 29.70S FOG WCI 36 Minneapolis CLOUDY 58 56 93 SE9 29.66F $$ Regional Reports...WY/CO/ID/WA/OR CITY SKY/WX TMP DP RH WIND PRES REMARKS Buffalo WY FLURRIES 32 29 88 N17G29 29.98R WCI 21 Cody CLOUDY 32 23 69 N10 30.04R WCI 24 Gillette FLURRIES 36 33 89 N18 29.97R WCI 26 Powell CLOUDY 32 23 69 N18G24 30.00R WCI 20 Sheridan MIX PCPN 34 33 96 NW9 30.03R WCI 27 Yellowstone La N/A 24 15 68 N5 29.97R WCI 18 Boise CLEAR 42 28 57 NW14 30.05R Couer d'Alene CLOUDY 43 42 97 E5 30.16S Idaho Falls PTCLDY 36 20 52 N16 29.95R WCI 26 Salmon CLEAR 34 23 64 E6 30.11S WCI 29 Spokane PTCLDY 41 39 93 CALM 30.15R Seattle MOCLDY 47 42 83 SE7 30.25S Portland MOCLDY 50 44 80 CALM 30.27F $$ Other Reports CITY SKY/WX TMP DP RH WIND PRES REMARKS Atlanta MOSUNNY 67 62 84 E6 30.25R Anchorage MOCLDY 43 34 70 SE12G37 29.78R Boston MOSUNNY 62 48 60 NE7 30.24R Chicago CLOUDY 75 63 66 S16G25 29.83S Fairbanks MOCLDY 46 28 49 SW7 29.64R Great Falls CLOUDY 33 32 96 W8 30.14R WCI 26 Houston CLOUDY 79 73 82 SE21G31 29.89R Las Vegas NV CLEAR 58 22 24 N17G31 29.87R Phoenix AZ CLEAR 70 48 45 W6 29.71R Salt Lake City CLOUDY 42 34 73 NW10 29.80S San Diego CLOUDY 62 52 69 S7 29.85R San Francisco CLEAR 65 42 43 N24G35 29.88R Washington Dul MOSUNNY 72 6476 S3 30.18R $$ Regional Reports...Alberta CITY SKY/WX TMP DP RH WIND PRES REMARKS Calgary PTCLDY 32 30 93 CALM 30.09S Fort McMurray CLEAR 30 21 69 E5 30.09S WCI 25 High Level CLEAR 39 23 52 SE3 29.97S Lethbridge CLOUDY 34 28 80 SE5 30.13S WCI 30 Medicine Hat CLEAR 28 28 100 SW2 30.17R Pincher Creek CLOUDY 34 30 86 N3 30.10F Fort Smith NWT PTCLDY 32 18 55 SE7 30.11F WCI 26 $$ Regional Reports...Saskatchewan CITY SKY/WX TMP DP RH WIND PRES REMARKS Estevan CLOUDY 34 34 100 N8 30.00S WCI 27 Prince Albert MOCLDY 30 28 93 E3 30.14S Regina SNOWSHWR 32 32 100 N9 30.06S FOG WCI 24 Saskatoon MOCLDY 32 32 100 W3 30.13S Swift Current CLOUDY 32 32 100 N8 30.10S WCI 25 $$