FPUS65 KTFX 152136 SFTTFX MTZ301>330-161100- Tabular State Forecast for North Central and Southwest Montana National Weather Service Great Falls MT 336 PM MDT Thu Oct 15 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 Fri Sat Sun Mon Tue Wed Thu Oct 16 Oct 17 Oct 18 Oct 19 Oct 20 Oct 21 Oct 22 ...CENTRAL MONTANA... Great Falls Sunny Ptcldy Sunny Ptcldy Ptcldy Ptcldy Ptcldy 35/67 47/70 42/60 38/64 41/58 39/56 42/58 00/00 00/00 00/00 00/00 00/00 20/10 10/10 Cut Bank Ptcldy Ptcldy Sunny Ptcldy Ptcldy Ptcldy Ptcldy 27/66 43/67 36/55 33/55 36/54 34/53 37/54 00/00 00/00 00/00 00/00 00/10 10/00 10/10 Havre Sunny Sunny Sunny Ptcldy Ptcldy Ptcldy Ptcldy 27/67 42/75 38/60 33/61 36/60 35/57 36/60 00/00 00/00 00/00 00/00 00/00 10/10 10/10 Helena Sunny Ptcldy Sunny Sunny Ptcldy Ptcldy Ptcldy 29/61 33/68 36/61 35/64 37/59 37/57 37/57 00/00 00/00 00/00 00/00 00/10 20/10 10/20 Lewistown Sunny Sunny Sunny Sunny Ptcldy Ptcldy Ptcldy 26/68 45/73 39/59 36/68 43/63 38/58 41/60 00/00 00/00 00/00 00/00 00/00 10/10 10/10 Shelby Ptcldy Ptcldy Sunny Ptcldy Ptcldy Ptcldy Ptcldy 29/66 39/69 37/57 33/57 36/56 35/55 37/57 00/00 00/00 00/00 00/00 00/00 10/00 10/10 Chester Sunny Ptcldy Sunny Ptcldy Ptcldy Ptcldy Ptcldy 27/66 38/72 36/58 33/59 37/59 34/55 36/57 00/00 00/00 00/00 00/00 00/00 10/10 10/10 Chinook Sunny Ptcldy Sunny Ptcldy Ptcldy Ptcldy Ptcldy 28/64 42/75 38/59 34/60 37/60 36/57 38/59 00/00 00/00 00/00 00/00 00/00 00/10 10/10 Conrad Ptcldy Ptcldy Sunny Ptcldy Ptcldy Ptcldy Ptcldy 30/68 41/70 38/58 33/59 38/57 36/55 37/57 00/00 00/00 00/00 00/00 00/00 10/00 10/10 Choteau Ptcldy Ptcldy Sunny Ptcldy Ptcldy Ptcldy Ptcldy 33/68 43/70 38/58 36/62 39/57 37/56 39/58 00/00 00/00 00/00 00/00 00/10 20/10 10/10 Fort Benton Sunny Ptcldy Sunny Sunny Ptcldy Ptcldy Ptcldy 28/71 46/75 41/62 36/63 39/60 37/57 40/60 00/00 00/00 00/00 00/00 00/00 10/10 10/10 Stanford Sunny Ptcldy Sunny Sunny Ptcldy Ptcldy Ptcldy 29/70 46/72 40/59 39/65 44/61 40/57 41/59 00/00 00/00 00/00 00/00 00/00 20/10 10/10 White Sulphur Springs Sunny Ptcldy Sunny Sunny Ptcldy Ptcldy Ptcldy 21/59 29/64 30/60 29/65 34/62 32/57 33/56 00/00 00/00 00/00 00/00 00/10 20/10 10/20 ...SOUTHWEST MONTANA... Bozeman Airport Sunny Sunny Sunny Sunny Ptcldy Ptcldy Ptcldy 25/59 30/65 33/60 33/65 36/61 36/55 35/55 00/00 00/00 00/00 00/00 00/10 30/20 10/20 Bozeman MSU Sunny Sunny Sunny Sunny Ptcldy Ptcldy Ptcldy 27/61 32/6735/61 36/66 39/61 37/56 37/55 00/00 00/00 00/00 00/00 00/10 30/20 20/30 West Yellowstone Sunny Sunny Sunny Sunny Ptcldy Ptcldy Rnsnow 17/55 19/55 21/57 22/57 25/54 26/52 26/49 00/00 00/00 00/00 00/00 00/30 40/30 30/50 Dillon Sunny Sunny Sunny Sunny Ptcldy Ptcldy Ptcldy 26/57 30/61 32/61 33/62 36/56 36/52 36/50 00/00 00/00 00/00 00/00 00/30 40/20 20/30 Boulder Sunny Ptcldy Sunny Sunny Ptcldy Ptcldy Ptcldy 31/61 37/64 36/59 36/62 39/58 38/54 38/54 00/00 00/00 00/00 00/00 00/10 30/10 10/30 Townsend Sunny Sunny Sunny Sunny Ptcldy Ptcldy Ptcldy 32/60 37/66 40/61 39/64 42/61 41/57 41/57 00/00 00/00 00/00 00/00 00/10 20/10 10/20 Virginia City Sunny Sunny Sunny Sunny Ptcldy Ptcldy Ptcldy 28/57 34/59 34/57 37/58 38/54 37/50 37/48 00/00 00/00 00/00 00/00 00/20 40/30 20/40 $$ http://www.weather.gov/greatfalls