FPUS65 KTFX 220501 SFTTFX MTZ301>330-221100- Tabular State Forecast for North Central and Southwest Montana National Weather Service Great Falls MT 1101 PM MDT Fri Aug 21 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 Sat Sun Mon Tue Wed Thu Fri Aug 22 Aug 23 Aug 24 Aug 25 Aug 26 Aug 27 Aug 28 ...CENTRAL MONTANA... Great Falls Mocldy Ptcldy Sunny Sunny Ptcldy Sunny Sunny 60/90 61/89 53/80 53/85 56/90 57/86 53/84 00/30 40/20 00/00 00/00 10/10 20/10 10/00 Cut Bank Mocldy Smoke Sunny Sunny Ptcldy Sunny Sunny 55/85 57/81 50/76 49/81 52/85 52/78 48/77 00/30 20/20 00/00 00/00 00/10 20/10 10/00 Havre Mocldy Ptcldy Sunny Sunny Sunny Sunny Sunny 60/93 61/93 55/82 52/86 55/93 57/89 53/85 00/20 10/40 20/00 00/00 00/00 20/10 20/00 Helena Mocldy Ptcldy Sunny Sunny Ptcldy Sunny Sunny 61/90 57/87 52/84 55/86 56/87 55/85 52/82 10/30 60/30 00/00 00/10 10/20 20/10 00/00 Lewistown Ptcldy Ptcldy Sunny Sunny Sunny Sunny Sunny 58/88 59/89 52/79 50/83 53/87 54/85 51/82 00/20 30/40 20/00 00/00 00/10 20/10 20/10 Shelby Ptcldy Smoke Sunny Sunny Ptcldy Sunny Sunny 59/86 59/84 53/78 52/82 55/86 55/82 51/80 00/20 20/40 00/00 00/00 00/10 20/10 10/00 Chester Ptcldy Tstrms Sunny Sunny Ptcldy Sunny Sunny 60/88 59/87 54/79 51/83 54/89 55/84 51/81 00/20 20/60 10/00 00/00 00/10 20/10 10/00 Chinook Ptcldy Ptcldy Sunny Sunny Sunny Sunny Sunny 60/90 61/93 57/83 52/85 54/91 57/88 54/85 00/30 10/40 20/00 00/00 00/10 20/20 10/00 Conrad Mocldy Smoke Sunny Sunny Ptcldy Sunny Sunny 58/87 58/85 52/78 52/82 54/87 55/83 51/81 00/20 30/40 00/00 00/00 00/10 20/10 10/10 Choteau Ptcldy Ptcldy Sunny Sunny Ptcldy Sunny Sunny 57/88 57/86 50/79 51/83 53/88 53/83 49/81 00/30 30/20 00/00 00/00 00/10 20/10 10/10 Fort Benton Ptcldy Ptcldy Sunny Sunny Ptcldy Sunny Sunny 64/93 62/93 56/83 55/88 57/93 58/90 54/86 00/20 30/30 10/00 00/00 00/10 20/10 10/00 Stanford Mocldy Ptcldy Sunny Sunny Ptcldy Sunny Sunny 61/89 61/89 55/80 53/84 56/88 57/85 54/82 00/20 40/40 10/00 00/10 00/10 20/10 10/10 White Sulphur Springs Mocldy Ptcldy Sunny Sunny Ptcldy Sunny Sunny 54/86 52/84 48/80 48/82 49/84 49/82 46/80 00/40 30/30 00/00 00/00 00/10 20/10 10/00 ...SOUTHWEST MONTANA... Bozeman Airport Tstrms Ptcldy Sunny Sunny Ptcldy Sunny Sunny 59/87 53/86 50/83 51/84 51/86 51/84 49/83 10/50 40/40 10/00 00/10 10/10 30/10 10/00 Bozeman MSU Tstrms Tstrms Sunny Sunny Ptcldy Sunny Sunny 59/86 56/85 51/82 53/83 53/84 53/82 51/81 10/60 50/50 20/00 00/10 20/20 30/10 20/00 West Yellowstone Tstrms Ptcldy Sunny Ptcldy Ptcldy Ptcldy Ptcldy 52/81 45/78 41/78 43/78 41/79 41/76 39/75 20/50 40/30 10/00 10/20 20/20 20/10 00/00 Dillon Ptcldy Ptcldy Sunny Ptcldy Ptcldy Sunny Ptcldy 58/86 52/85 48/84 50/83 50/84 49/82 47/82 20/40 60/10 00/00 10/10 20/20 20/10 10/00 Boulder Tstrms Ptcldy Sunny Ptcldy Ptcldy Sunny Sunny 61/87 57/84 52/84 55/83 55/84 54/81 51/80 10/60 50/30 00/00 00/20 10/20 20/10 10/00 Townsend Mocldy Ptcldy Sunny Sunny Ptcldy Sunny Sunny 62/87 59/85 55/81 56/82 57/84 56/82 54/81 10/40 40/40 00/00 00/10 10/10 20/10 10/00 Virginia City Tstrms Tstrms Sunny Ptcldy Ptcldy Sunny Ptcldy 62/80 56/78 52/77 54/77 54/77 54/76 51/75 20/50 50/50 10/00 10/20 20/30 20/10 10/10 $$ http://www.weather.gov/greatfalls