FPUS65 KTFX 151617 SFTTFX MTZ301>330-152300- Tabular State Forecast for North Central and Southwest Montana National Weather Service Great Falls MT 1016 AM 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 Today Fri Sat Sun Mon Tue Wed Oct 15 Oct 16 Oct 17 Oct 18 Oct 19 Oct 20 Oct 21 ...CENTRAL MONTANA... Great Falls Sunny Sunny Ptcldy Sunny Ptcldy Ptcldy Ptcldy /48 34/67 45/71 39/59 39/62 40/55 36/55 /00 00/00 00/00 00/00 00/00 10/10 20/10 Cut Bank Sunny Ptcldy Ptcldy Sunny Ptcldy Ptcldy Sunny /45 26/64 41/67 34/54 32/55 35/50 30/52 /00 00/00 00/00 00/00 00/00 10/10 10/00 Havre Sunny Sunny Ptcldy Sunny Ptcldy Ptcldy Ptcldy /48 23/66 41/75 38/60 34/61 35/56 32/55 /00 00/00 00/00 00/00 00/00 00/00 10/10 Helena Sunny Sunny Sunny Sunny Sunny Ptcldy Ptcldy /44 28/60 35/70 35/60 35/62 37/56 35/55 /00 00/00 00/00 00/00 00/00 10/20 20/10 Lewistown Sunny Sunny Sunny Sunny Sunny Ptcldy Ptcldy /43 28/68 44/74 41/59 38/67 40/58 37/56 /00 00/00 00/00 00/00 00/00 10/10 20/10 Shelby Sunny Ptcldy Ptcldy Sunny Ptcldy Ptcldy Sunny /47 28/65 37/70 36/56 35/56 37/52 34/54 /00 00/00 00/00 00/00 00/00 10/10 10/10 Chester Sunny Sunny Ptcldy Sunny Ptcldy Ptcldy Ptcldy /47 27/66 38/72 36/57 35/58 37/54 34/53 /00 00/00 00/00 00/00 00/00 00/10 10/10 Chinook Sunny Sunny Sunny Sunny Ptcldy Ptcldy Ptcldy /48 27/63 42/75 38/59 35/60 37/57 34/55 /00 00/00 00/00 00/00 00/00 10/00 10/10 Conrad Sunny Ptcldy Ptcldy Sunny Ptcldy Ptcldy Sunny /47 30/66 39/70 38/57 35/58 37/53 34/54 /00 00/00 00/00 00/00 00/00 00/10 10/10 Choteau Sunny Ptcldy Ptcldy Sunny Ptcldy Ptcldy Sunny /47 32/67 42/69 38/57 37/60 38/54 35/55 /00 00/00 00/00 00/00 00/00 10/10 10/10 Fort Benton Sunny Sunny Ptcldy Sunny Sunny Ptcldy Sunny /50 28/71 46/76 40/61 38/62 39/57 37/57 /00 00/00 00/00 00/00 00/00 10/10 10/10 Stanford Sunny Sunny Ptcldy Sunny Sunny Ptcldy Ptcldy /45 31/70 45/72 40/59 41/64 42/57 37/55 /00 00/00 00/00 00/00 00/00 10/10 20/10 White Sulphur Springs Sunny Sunny Sunny Sunny Sunny Ptcldy Ptcldy /42 23/59 32/64 29/59 31/64 35/58 31/55 /00 00/00 00/00 00/00 00/00 10/20 30/10 ...SOUTHWEST MONTANA... Bozeman Airport Sunny Sunny Sunny Sunny Sunny Ptcldy Ptcldy /41 24/60 31/67 34/61 32/65 35/59 33/55 /00 00/00 00/00 00/00 00/00 10/20 30/10 Bozeman MSU Ptcldy Sunny Sunny Sunny Sunny Ptcldy Ptcldy /40 29/6234/68 37/62 38/66 40/60 36/56 /00 00/00 00/00 00/00 00/00 00/20 30/20 West Yellowstone Sunny Sunny Ptcldy Sunny Sunny Ptcldy Ptcldy /47 18/57 19/56 20/58 21/59 25/55 25/54 /00 00/00 00/00 00/00 00/00 00/30 40/20 Dillon Sunny Sunny Sunny Sunny Sunny Ptcldy Ptcldy /41 26/57 29/63 31/60 33/62 36/55 34/52 /00 00/00 00/00 00/00 00/00 10/20 30/10 Boulder Sunny Sunny Sunny Sunny Sunny Ptcldy Ptcldy /43 32/60 35/64 35/59 38/62 39/55 36/53 /00 00/00 00/00 00/00 00/00 10/20 20/10 Townsend Sunny Sunny Sunny Sunny Sunny Ptcldy Ptcldy /46 33/60 38/67 40/61 40/64 41/57 39/56 /00 00/00 00/00 00/00 00/00 10/20 20/10 Virginia City Sunny Sunny Sunny Sunny Sunny Ptcldy Ptcldy /39 28/56 34/58 33/57 37/59 38/53 34/50 /00 00/00 00/00 00/00 00/00 10/30 30/20 $$ http://www.weather.gov/greatfalls