FPUS65 KTFX 222136 SFTTFX MTZ301>330-231100- Tabular State Forecast for North Central and Southwest Montana National Weather Service Great Falls MT 336 PM 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 Sunny Ptcldy Sunny Sunny 62/89 54/81 53/85 56/91 58/90 55/85 53/83 20/20 00/00 00/00 00/10 30/10 20/00 10/10 Cut Bank Ptcldy Sunny Sunny Ptcldy Ptcldy Sunny Sunny 58/81 50/77 49/80 52/86 53/83 50/77 49/75 20/20 00/00 00/00 00/10 20/10 10/10 10/10 Havre Ptcldy Sunny Sunny Sunny Ptcldy Sunny Sunny 62/93 56/82 52/85 54/93 58/93 56/85 53/84 10/40 20/00 00/00 00/00 20/10 20/10 10/10 Helena Ptcldy Sunny Sunny Ptcldy Sunny Sunny Sunny 57/87 50/85 54/87 55/89 54/87 53/84 51/82 60/20 00/00 00/00 00/10 30/20 10/10 10/10 Lewistown Tstrms Sunny Sunny Sunny Ptcldy Sunny Sunny 60/89 53/79 49/83 53/88 56/87 53/83 52/81 20/50 30/00 00/00 00/00 20/20 20/10 10/10 Shelby Ptcldy Sunny Sunny Sunny Ptcldy Sunny Sunny 60/84 54/79 52/81 55/87 56/86 54/80 52/78 20/30 00/00 00/00 00/10 20/10 10/10 10/10 Chester Ptcldy Sunny Sunny Sunny Ptcldy Sunny Sunny 60/87 54/80 51/84 54/89 56/88 54/82 51/80 20/40 00/00 00/00 00/00 20/10 10/10 10/10 Chinook Ptcldy Sunny Sunny Sunny Ptcldy Sunny Sunny 61/93 57/82 52/84 53/90 58/92 57/85 53/84 10/20 20/00 00/00 00/00 20/10 20/10 10/10 Conrad Ptcldy Sunny Sunny Sunny Ptcldy Sunny Sunny 59/85 53/79 52/82 54/88 56/87 53/82 51/79 30/30 00/00 00/00 00/10 20/20 10/10 10/10 Choteau Ptcldy Sunny Sunny Sunny Ptcldy Sunny Sunny 58/85 51/80 51/82 53/88 54/87 51/83 50/79 20/20 00/00 00/00 00/10 30/00 10/10 10/10 Fort Benton Ptcldy Sunny Sunny Sunny Ptcldy Sunny Sunny 63/93 56/83 55/87 58/94 59/93 57/87 55/85 20/20 10/00 00/00 00/10 30/10 20/00 10/10 Stanford Tstrms Sunny Sunny Ptcldy Ptcldy Sunny Sunny 62/89 55/80 52/83 55/88 58/87 56/83 54/81 30/50 20/00 00/00 00/10 20/20 30/10 10/10 White Sulphur Springs Ptcldy Sunny Sunny Ptcldy Ptcldy Sunny Sunny 52/84 46/80 47/82 48/85 49/84 48/81 47/79 40/30 10/00 00/00 00/10 20/20 10/00 10/10 ...SOUTHWEST MONTANA... Bozeman Airport Ptcldy Sunny Sunny Ptcldy Ptcldy Sunny Sunny 54/86 49/85 51/85 52/87 52/87 51/84 50/83 50/40 20/00 00/00 00/10 30/20 10/10 10/10 Bozeman MSU Ptcldy Sunny Sunny Ptcldy Ptcldy Sunny Sunny 56/85 50/8252/83 53/85 54/85 52/82 52/81 60/40 20/00 00/10 10/10 30/20 20/10 20/10 West Yellowstone Ptcldy Sunny Ptcldy Ptcldy Ptcldy Ptcldy Sunny 46/78 40/79 43/79 42/80 42/79 40/76 39/75 50/30 20/00 10/10 10/10 20/20 10/10 10/10 Dillon Ptcldy Sunny Sunny Ptcldy Ptcldy Sunny Sunny 52/85 47/84 51/84 51/85 50/85 48/84 48/81 40/20 00/00 00/10 10/20 20/10 10/10 10/10 Boulder Ptcldy Sunny Sunny Ptcldy Ptcldy Sunny Sunny 57/84 51/85 54/83 55/86 54/84 53/82 52/79 50/20 00/00 00/10 00/30 30/20 10/10 10/10 Townsend Ptcldy Sunny Sunny Ptcldy Sunny Sunny Sunny 59/85 54/81 56/83 57/86 57/85 55/82 54/80 50/30 10/00 00/00 00/10 30/10 10/10 10/10 Virginia City Ptcldy Sunny Sunny Ptcldy Ptcldy Sunny Sunny 56/78 51/77 55/77 55/79 54/78 53/76 52/74 70/40 10/00 00/10 10/30 30/20 10/10 10/10 $$ http://www.weather.gov/greatfalls