FPUS65 KTFX 220631 SFTTFX MTZ301>330-231100- Tabular State Forecast for North Central and Southwest Montana National Weather Service Great Falls MT 1231 AM MDT Sat Aug 22 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 Sun Mon Tue Wed Thu Fri Sat Aug 23 Aug 24 Aug 25 Aug 26 Aug 27 Aug 28 Aug 29 ...CENTRAL MONTANA... Great Falls Ptcldy Sunny Sunny Ptcldy Sunny Sunny Sunny 61/89 53/80 53/85 56/90 57/86 53/84 53/82 40/20 00/00 00/00 10/10 20/10 10/00 10/00 Cut Bank Smoke Sunny Sunny Ptcldy Sunny Ptcldy Sunny 57/81 50/76 49/81 52/85 52/78 48/77 48/75 20/20 00/00 00/00 00/10 20/10 10/00 10/10 Havre Ptcldy Sunny Sunny Sunny Sunny Sunny Sunny 61/93 55/82 52/86 55/93 57/89 53/85 53/84 10/40 20/00 00/00 00/00 20/10 20/00 10/00 Helena Ptcldy Sunny Sunny Ptcldy Sunny Sunny Sunny 57/87 52/84 55/86 56/87 54/85 51/83 52/82 60/30 00/00 00/10 10/20 20/10 00/00 10/10 Lewistown Ptcldy Sunny Sunny Sunny Ptcldy Sunny Sunny 59/89 52/79 50/83 53/87 54/85 51/83 51/81 30/40 20/00 00/00 00/10 20/10 20/10 10/10 Shelby Smoke Sunny Sunny Ptcldy Sunny Sunny Sunny 59/84 53/78 52/82 55/87 55/82 51/80 50/77 20/40 00/00 00/00 00/10 20/10 10/00 10/00 Chester Tstrms Sunny Sunny Ptcldy Sunny Sunny Ptcldy 59/87 54/79 51/83 54/88 56/84 51/81 51/80 20/60 10/00 00/00 00/10 20/10 10/00 10/00 Chinook Ptcldy Sunny Sunny Sunny Sunny Sunny Sunny 61/93 57/83 52/85 54/91 57/89 54/85 53/84 10/40 20/00 00/00 00/10 20/20 10/10 10/10 Conrad Smoke Sunny Sunny Ptcldy Sunny Sunny Sunny 58/85 52/78 52/82 54/87 55/83 51/81 51/79 30/40 00/00 00/00 00/10 20/10 10/00 10/10 Choteau Ptcldy Sunny Sunny Ptcldy Sunny Sunny Sunny 57/86 50/79 51/83 53/87 53/83 49/82 50/79 30/20 00/00 00/00 00/10 20/10 10/10 10/10 Fort Benton Ptcldy Sunny Sunny Ptcldy Sunny Sunny Sunny 62/93 56/83 55/88 57/93 58/90 54/87 54/85 30/30 10/00 00/00 00/10 20/10 10/00 10/00 Stanford Ptcldy Sunny Sunny Ptcldy Sunny Sunny Sunny 61/89 55/80 53/84 56/88 57/85 54/82 54/81 40/40 10/00 00/10 00/10 20/10 10/10 10/10 White Sulphur Springs Ptcldy Sunny Sunny Ptcldy Sunny Sunny Sunny 52/84 48/80 48/82 49/84 49/82 46/80 47/79 30/30 00/00 00/00 00/10 20/10 10/00 10/10 ...SOUTHWEST MONTANA... Bozeman Airport Ptcldy Sunny Sunny Ptcldy Sunny Sunny Sunny 53/86 50/83 51/84 51/86 51/84 49/83 50/82 40/40 10/00 00/10 10/10 30/10 10/00 10/10 Bozeman MSU Tstrms Sunny Sunny Ptcldy Sunny Sunny Sunny 56/85 51/8253/83 53/84 53/82 51/81 52/80 50/50 20/00 00/10 20/20 30/10 20/00 10/10 West Yellowstone Ptcldy Sunny Ptcldy Ptcldy Ptcldy Ptcldy Ptcldy 45/78 41/78 43/78 41/79 41/76 39/75 39/73 40/30 10/00 10/20 10/10 20/00 00/00 00/10 Dillon Ptcldy Sunny Ptcldy Ptcldy Sunny Ptcldy Ptcldy 52/85 48/84 50/83 50/84 49/83 47/82 47/80 60/10 00/00 10/10 20/20 20/10 10/00 10/10 Boulder Ptcldy Sunny Ptcldy Ptcldy Sunny Sunny Sunny 57/84 52/84 55/83 55/84 54/82 51/81 52/79 50/30 00/00 00/20 10/20 20/10 10/00 10/10 Townsend Ptcldy Sunny Sunny Ptcldy Sunny Sunny Sunny 59/85 55/81 56/82 57/84 56/82 53/81 54/79 40/40 00/00 00/10 10/20 20/10 10/00 10/10 Virginia City Tstrms Sunny Ptcldy Ptcldy Sunny Ptcldy Ptcldy 56/78 52/77 54/77 54/78 54/76 51/75 52/73 50/50 10/00 10/20 20/20 20/10 10/00 10/10 $$ http://www.weather.gov/greatfalls