FPUS65 KTFX 170011 SFTTFX MTZ301>330-171100- Tabular State Forecast for North Central and Southwest Montana National Weather Service Great Falls MT 611 PM MDT Fri Oct 16 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 Oct 17 Oct 18 Oct 19 Oct 20 Oct 21 Oct 22 Oct 23 ...CENTRAL MONTANA... Great Falls Windy Sunny Ptcldy Ptcldy Ptcldy Ptcldy Ptcldy 46/71 42/61 41/66 44/60 40/59 43/64 43/50 00/00 00/00 00/00 00/00 10/00 10/10 30/40 Cut Bank Windy Sunny Ptcldy Mocldy Sunny Ptcldy Ptcldy 44/68 35/57 34/58 37/55 33/56 36/60 37/47 00/00 00/00 00/00 00/00 10/00 00/00 20/30 Havre Sunny Sunny Ptcldy Ptcldy Ptcldy Ptcldy Mocldy 41/76 37/62 35/64 37/61 34/61 36/64 37/53 00/00 00/00 00/00 00/00 10/00 00/10 30/40 Helena Ptcldy Sunny Sunny Ptcldy Ptcldy Ptcldy Ptcldy 33/71 35/62 36/67 38/63 36/60 38/61 38/51 00/00 00/00 00/00 00/00 20/10 10/20 40/30 Lewistown Sunny Sunny Sunny Ptcldy Ptcldy Ptcldy Rain 45/72 39/60 39/69 43/63 38/61 42/65 41/50 00/00 00/00 00/00 00/00 10/10 10/10 40/50 Shelby Mocldy Sunny Ptcldy Ptcldy Ptcldy Ptcldy Ptcldy 39/71 37/59 35/59 39/57 34/58 36/62 39/50 00/00 00/00 00/00 00/00 10/00 00/10 30/30 Chester Ptcldy Sunny Ptcldy Ptcldy Ptcldy Ptcldy Ptcldy 38/73 35/59 35/61 38/60 34/58 36/62 39/52 00/00 00/00 00/00 00/00 10/00 00/00 30/40 Chinook Sunny Sunny Ptcldy Ptcldy Ptcldy Ptcldy Mocldy 43/76 36/61 35/63 37/62 35/60 38/63 40/53 00/00 00/00 00/00 00/00 10/00 00/10 20/40 Conrad Ptcldy Sunny Ptcldy Ptcldy Ptcldy Ptcldy Ptcldy 41/72 38/59 36/62 39/59 36/59 37/63 39/50 00/00 00/00 00/00 00/00 10/10 00/10 30/30 Choteau Ptcldy Sunny Ptcldy Ptcldy Ptcldy Ptcldy Ptcldy 43/71 38/60 39/65 41/60 37/60 40/63 40/50 00/00 00/00 00/00 00/00 10/10 00/10 30/30 Fort Benton Ptcldy Sunny Ptcldy Ptcldy Sunny Sunny Ptcldy 46/75 40/64 37/65 40/62 37/61 40/66 42/54 00/00 00/00 00/00 00/00 10/00 10/10 30/40 Stanford Ptcldy Ptcldy Sunny Ptcldy Ptcldy Ptcldy Ptcldy 45/72 39/60 41/67 45/62 39/60 43/64 43/50 00/00 00/00 00/00 00/00 20/00 10/10 40/40 White Sulphur Springs Ptcldy Sunny Sunny Ptcldy Ptcldy Ptcldy Mocldy 31/64 30/61 30/66 34/63 32/60 33/60 35/48 00/00 00/00 00/00 00/00 20/10 10/20 40/40 ...SOUTHWEST MONTANA... Bozeman Airport Sunny Sunny Sunny Ptcldy Ptcldy Ptcldy Rain 32/65 33/59 33/66 36/63 36/60 35/59 36/48 00/00 00/00 00/00 00/10 20/10 10/20 60/60 Bozeman MSU Ptcldy Sunny Sunny Ptcldy Ptcldy Ptcldy Rain 34/67 36/6137/67 40/63 38/60 39/60 39/48 00/00 00/00 00/00 00/10 10/10 10/30 60/60 West Yellowstone Ptcldy Sunny Sunny Ptcldy Ptcldy Rain Rnsnow 21/56 22/58 23/58 25/56 27/57 28/54 27/47 00/00 00/00 00/00 00/20 20/20 30/50 70/70 Dillon Sunny Sunny Sunny Ptcldy Ptcldy Ptcldy Ptcldy 32/64 33/60 35/63 37/59 37/56 37/54 36/45 00/00 00/00 00/00 00/10 20/10 20/40 40/40 Boulder Sunny Sunny Sunny Ptcldy Ptcldy Ptcldy Ptcldy 38/66 37/60 37/64 40/61 38/58 40/58 37/47 00/00 00/00 00/00 00/10 20/10 10/30 50/40 Townsend Sunny Sunny Sunny Ptcldy Ptcldy Ptcldy Ptcldy 37/68 40/62 39/66 42/63 40/61 41/61 41/51 00/00 00/00 00/00 00/00 20/10 10/20 50/40 Virginia City Ptcldy Sunny Sunny Ptcldy Ptcldy Ptcldy Rnsnow 36/59 36/57 37/59 39/56 37/53 39/51 36/41 00/00 00/00 00/00 00/20 20/10 20/30 60/60 $$ http://www.weather.gov/greatfalls