FPUS65 KTFX 232136 SFTTFX MTZ301>330-241100- Tabular State Forecast for North Central and Southwest Montana National Weather Service Great Falls MT 336 PM MDT Sun Aug 23 2026 ROWS INCLUDE... Daily predominant daytime weather 6AM-6PM Forecast temperatures...early morning low/daytime high Probability of precipitation nighttime 6PM-6AM/daytime 6AM-6PM - indicates temperatures below zero MM indicates missing data FCST FCST FCST FCST FCST FCST FCST Mon Tue Wed Thu Fri Sat Sun Aug 24 Aug 25 Aug 26 Aug 27 Aug 28 Aug 29 Aug 30 ...CENTRAL MONTANA... Great Falls Sunny Sunny Ptcldy Sunny Sunny Sunny Sunny 54/81 53/83 55/90 59/93 57/87 55/83 51/77 00/00 00/00 00/00 10/10 20/00 10/10 20/20 Cut Bank Sunny Sunny Sunny Sunny Sunny Sunny Sunny 50/77 48/79 51/85 54/86 52/80 49/75 46/71 00/00 00/00 00/00 10/10 10/00 00/10 20/10 Havre Sunny Sunny Sunny Ptcldy Sunny Sunny Ptcldy 55/82 51/84 53/92 58/95 57/87 54/84 51/77 10/00 00/00 00/00 10/10 20/10 10/10 30/20 Helena Smoke Sunny Sunny Ptcldy Sunny Sunny Sunny 50/84 52/85 55/89 55/89 55/86 52/83 50/78 00/00 00/00 20/20 30/20 20/10 10/10 20/10 Lewistown Sunny Sunny Ptcldy Ptcldy Sunny Sunny Sunny 52/79 48/82 51/87 55/90 55/85 53/82 49/76 30/00 00/00 00/00 10/10 30/10 10/20 20/20 Shelby Sunny Sunny Sunny Sunny Sunny Sunny Sunny 53/79 51/80 54/88 57/88 55/82 52/78 49/73 00/00 00/00 00/00 10/10 20/00 10/10 20/10 Chester Sunny Sunny Sunny Ptcldy Sunny Sunny Sunny 54/80 50/81 53/90 57/90 56/83 52/80 49/74 00/00 00/00 00/00 10/10 20/00 10/10 30/10 Chinook Sunny Sunny Sunny Ptcldy Sunny Sunny Ptcldy 57/82 52/83 53/89 58/93 58/87 54/84 51/77 10/00 00/00 00/00 10/10 20/10 10/10 30/20 Conrad Sunny Sunny Sunny Sunny Sunny Sunny Sunny 52/79 51/81 53/87 56/89 55/83 52/79 49/74 00/00 00/00 00/00 20/20 20/00 10/10 30/10 Choteau Sunny Sunny Sunny Sunny Sunny Sunny Sunny 50/80 50/81 53/88 55/90 53/85 51/80 48/75 00/00 00/00 00/00 20/20 10/10 10/10 20/10 Fort Benton Sunny Sunny Ptcldy Sunny Sunny Sunny Sunny 55/84 54/86 56/95 59/95 58/88 56/85 53/79 10/00 00/00 00/00 10/10 20/00 10/10 30/20 Stanford Sunny Sunny Ptcldy Ptcldy Sunny Sunny Sunny 55/79 52/82 54/88 58/90 58/84 55/81 52/76 10/00 00/00 00/10 20/10 20/10 10/10 20/10 White Sulphur Springs Sunny Sunny Ptcldy Sunny Sunny Sunny Sunny 46/79 45/82 48/85 49/86 50/83 47/80 44/75 10/00 00/00 20/20 10/10 10/00 10/10 20/10 ...SOUTHWEST MONTANA... Bozeman Airport Smoke Sunny Ptcldy Ptcldy Sunny Sunny Sunny 48/82 49/84 51/87 51/87 51/85 50/83 48/79 10/00 00/20 20/20 20/10 20/10 20/10 20/10 Bozeman MSU Smoke Sunny Ptcldy Ptcldy Sunny Sunny Sunny 49/81 50/83 53/86 53/86 53/83 52/81 49/77 20/00 00/20 20/20 30/20 30/10 20/20 20/10 West Yellowstone Sunny Sunny Ptcldy Ptcldy Ptcldy Ptcldy Sunny 39/79 41/79 41/81 42/79 41/77 39/74 37/72 20/00 20/20 10/20 10/10 10/10 10/20 20/10 Dillon Smoke Sunny Ptcldy Ptcldy Sunny Sunny Sunny 47/84 50/85 50/86 49/86 50/84 48/82 45/79 00/00 00/20 20/20 20/20 10/10 10/10 10/10 Boulder Smoke Ptcldy Ptcldy Ptcldy Sunny Sunny Sunny 50/82 54/82 55/85 55/85 53/83 52/79 49/75 00/00 00/20 20/30 30/30 20/10 10/20 20/10 Townsend Smoke Sunny Ptcldy Ptcldy Sunny Sunny Sunny 54/80 54/82 57/85 57/86 56/84 55/81 52/76 10/00 00/00 20/10 30/20 30/00 10/10 20/10 Virginia City Smoke Sunny Ptcldy Ptcldy Sunny Sunny Sunny 51/77 54/77 54/79 54/79 53/77 52/75 49/72 10/00 00/20 20/20 20/20 20/10 10/20 20/10 $$ http://www.weather.gov/greatfalls