FPUS65 KTFX 221231 SFTTFX MTZ301>330-222300- Tabular State Forecast for North Central and Southwest Montana National Weather Service Great Falls MT 631 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 Today 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 /90 61/89 53/80 53/85 56/90 57/86 53/84 /30 40/20 00/00 00/00 10/10 20/10 10/00 Cut Bank Mocldy Ptcldy Sunny Sunny Ptcldy Sunny Ptcldy /85 57/81 50/76 49/81 52/85 52/78 48/77 /30 20/20 00/00 00/00 00/10 20/10 10/00 Havre Mocldy Ptcldy Sunny Sunny Sunny Sunny Sunny /93 61/93 55/82 52/86 55/93 57/89 53/85 /20 10/40 20/00 00/00 00/00 20/10 20/00 Helena Mocldy Ptcldy Sunny Sunny Ptcldy Sunny Sunny /90 57/87 52/84 55/86 56/87 54/85 51/83 /30 60/30 00/00 00/10 10/20 20/10 00/00 Lewistown Ptcldy Ptcldy Sunny Sunny Sunny Ptcldy Sunny /88 59/89 52/79 50/83 53/87 54/85 51/83 /20 30/40 20/00 00/00 00/10 20/10 20/10 Shelby Ptcldy Ptcldy Sunny Sunny Ptcldy Sunny Sunny /86 59/84 53/78 52/82 55/87 55/82 51/80 /20 20/40 00/00 00/00 00/10 20/10 10/00 Chester Ptcldy Tstrms Sunny Sunny Ptcldy Sunny Sunny /88 59/87 54/79 51/83 54/88 56/84 51/81 /20 20/60 10/00 00/00 00/10 20/10 10/00 Chinook Ptcldy Ptcldy Sunny Sunny Sunny Sunny Sunny /90 61/93 57/83 52/85 54/91 57/89 54/85 /30 10/40 20/00 00/00 00/10 20/20 10/10 Conrad Mocldy Ptcldy Sunny Sunny Ptcldy Sunny Sunny /87 58/85 52/78 52/82 54/87 55/83 51/81 /20 30/40 00/00 00/00 00/10 20/10 10/00 Choteau Ptcldy Ptcldy Sunny Sunny Ptcldy Sunny Sunny /88 57/86 50/79 51/83 53/87 53/83 49/82 /30 30/20 00/00 00/00 00/10 20/10 10/10 Fort Benton Ptcldy Ptcldy Sunny Sunny Ptcldy Sunny Sunny /93 62/93 56/83 55/88 57/93 58/90 54/87 /20 30/30 10/00 00/00 00/10 20/10 10/00 Stanford Mocldy Ptcldy Sunny Sunny Ptcldy Sunny Sunny /89 61/89 55/80 53/84 56/88 57/85 54/82 /20 40/40 10/00 00/10 00/10 20/10 10/10 White Sulphur Springs Mocldy Ptcldy Sunny Sunny Ptcldy Sunny Sunny /86 52/84 48/80 48/82 49/84 49/82 46/80 /40 30/30 00/00 00/00 00/10 20/10 10/00 ...SOUTHWEST MONTANA... Bozeman Airport Tstrms Ptcldy Sunny Sunny Ptcldy Sunny Sunny /87 53/86 50/83 51/84 51/86 51/84 49/83 /50 40/40 10/00 00/10 10/10 30/10 10/00 Bozeman MSU Tstrms Tstrms Sunny Sunny Ptcldy Sunny Sunny /86 56/8551/82 53/83 53/84 53/82 51/81 /60 50/50 20/00 00/10 20/20 30/10 20/00 West Yellowstone Tstrms Ptcldy Sunny Ptcldy Ptcldy Ptcldy Ptcldy /81 45/78 41/78 43/78 41/79 41/76 39/75 /50 40/30 10/00 10/20 10/10 20/00 00/00 Dillon Ptcldy Ptcldy Sunny Ptcldy Ptcldy Sunny Ptcldy /86 52/85 48/84 50/83 50/84 49/83 47/82 /40 60/10 00/00 10/10 20/20 20/10 10/00 Boulder Tstrms Ptcldy Sunny Ptcldy Ptcldy Sunny Sunny /87 57/84 52/84 55/83 55/84 54/82 51/81 /60 50/30 00/00 00/20 10/20 20/10 10/00 Townsend Mocldy Ptcldy Sunny Sunny Ptcldy Sunny Sunny /87 59/85 55/81 56/82 57/84 56/82 53/81 /40 40/40 00/00 00/10 10/20 20/10 10/00 Virginia City Tstrms Tstrms Sunny Ptcldy Ptcldy Sunny Ptcldy /80 56/78 52/77 54/77 54/78 54/76 51/75 /50 50/50 10/00 10/20 20/20 20/10 10/00 $$ http://www.weather.gov/greatfalls