FPUS65 KTFX 230936 SFTTFX MTZ301>330-232300- Tabular State Forecast for North Central and Southwest Montana National Weather Service Great Falls MT 336 AM 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 Today Mon Tue Wed Thu Fri Sat Aug 23 Aug 24 Aug 25 Aug 26 Aug 27 Aug 28 Aug 29 ...CENTRAL MONTANA... Great Falls Sunny Sunny Sunny Sunny Ptcldy Sunny Sunny /89 53/81 52/83 54/89 58/91 56/87 55/84 /20 00/00 00/00 00/10 20/10 20/10 10/10 Cut Bank Smoke Sunny Sunny Ptcldy Ptcldy Sunny Sunny /80 50/76 48/77 51/85 53/85 52/80 50/76 /20 00/00 00/00 00/10 20/10 10/10 10/00 Havre Shwrs Sunny Sunny Sunny Sunny Sunny Sunny /93 55/82 51/83 53/90 57/94 56/88 55/85 /50 10/00 00/00 00/00 10/10 20/10 10/10 Helena Sunny Smoke Sunny Ptcldy Ptcldy Sunny Sunny /86 50/84 54/85 56/88 55/89 54/86 53/83 /30 00/00 00/00 00/20 20/10 20/10 10/10 Lewistown Tstrms Sunny Sunny Ptcldy Ptcldy Ptcldy Ptcldy /89 52/78 48/81 51/86 54/88 54/84 53/82 /50 10/00 00/00 00/10 20/10 30/10 20/20 Shelby Ptcldy Sunny Sunny Ptcldy Ptcldy Sunny Sunny /83 53/78 51/79 54/87 56/88 55/83 53/79 /40 00/00 00/00 00/10 10/10 10/10 10/00 Chester Tstrms Sunny Sunny Ptcldy Ptcldy Sunny Sunny /86 54/79 49/80 52/88 56/89 55/84 53/81 /50 00/00 00/00 00/00 10/10 20/00 10/10 Chinook Ptcldy Sunny Sunny Sunny Ptcldy Ptcldy Sunny /93 57/81 52/82 52/88 57/92 57/87 55/85 /40 20/00 00/00 00/00 10/10 20/10 10/20 Conrad Ptcldy Sunny Sunny Ptcldy Ptcldy Sunny Sunny /85 52/79 51/80 53/88 56/88 54/84 53/80 /40 00/00 00/00 00/10 20/10 20/10 10/10 Choteau Sunny Sunny Sunny Sunny Ptcldy Sunny Sunny /86 50/80 50/80 52/87 54/89 53/85 52/80 /20 00/00 00/00 00/10 20/10 20/00 10/10 Fort Benton Ptcldy Sunny Sunny Ptcldy Ptcldy Sunny Sunny /93 56/83 53/85 56/92 59/94 58/89 57/86 /40 10/00 00/00 00/10 20/10 30/10 10/10 Stanford Tstrms Sunny Sunny Ptcldy Ptcldy Sunny Ptcldy /89 55/79 52/81 54/87 58/88 57/84 56/82 /50 10/00 00/00 00/10 20/10 20/10 20/20 White Sulphur Springs Ptcldy Sunny Sunny Ptcldy Sunny Sunny Sunny /84 46/79 45/82 48/85 49/85 49/82 48/80 /30 10/00 00/00 00/10 20/10 10/00 10/10 ...SOUTHWEST MONTANA... Bozeman Airport Tstrms Smoke Sunny Ptcldy Ptcldy Sunny Sunny /86 49/83 49/84 50/87 51/87 50/85 50/84 /50 10/00 00/00 10/10 20/10 30/10 20/20 Bozeman MSU Tstrms Smoke Sunny Ptcldy Ptcldy Sunny Sunny /84 50/81 51/83 52/85 53/85 53/83 53/82 /50 10/00 00/10 10/10 30/20 30/10 20/20 West Yellowstone Ptcldy Ptcldy Ptcldy Ptcldy Ptcldy Ptcldy Ptcldy /78 40/79 41/79 40/80 41/79 40/77 40/75 /30 10/00 00/20 20/10 20/10 20/10 10/20 Dillon Sunny Smoke Sunny Ptcldy Ptcldy Sunny Sunny /85 47/84 49/84 50/85 49/85 48/84 48/82 /20 00/00 00/10 10/20 30/10 20/10 10/20 Boulder Sunny Smoke Sunny Ptcldy Ptcldy Sunny Sunny /84 51/82 53/82 54/85 54/85 53/83 53/80 /20 00/00 00/10 10/40 30/20 20/10 10/20 Townsend Ptcldy Smoke Sunny Ptcldy Ptcldy Sunny Sunny /85 54/80 54/82 56/85 56/85 56/83 55/81 /40 10/00 00/00 00/10 20/10 20/10 10/20 Virginia City Tstrms Smoke Sunny Ptcldy Ptcldy Sunny Sunny /77 51/77 53/77 54/78 54/78 53/76 53/75 /50 00/00 00/10 10/30 20/30 20/10 20/20 $$ http://www.weather.gov/greatfalls