FPUS65 KBYZ 181852 SFTBYZ MTZ029>034-036-037-040-042-056>058-063>068-138-139-141-169>173-228-235-WYZ198-199-182300- Tabular State Forecast for SCen and SErn MT/NCen WY National Weather Service Billings MT 1252 PM MDT Mon May 18 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 Tue Wed Thu Fri Sat Sun May 18 May 19 May 20 May 21 May 22 May 23 May 24 ...SOUTH CENTRAL MONTANA... Livingston Mocldy Ptcldy Tstrms Tstrms Ptcldy Sunny Sunny /48 26/62 36/65 36/57 34/66 38/75 45/81 /40 10/00 10/30 90/80 20/10 10/00 10/10 Big Timber Mocldy Ptcldy Tstrms Tstrms Ptcldy Sunny Sunny /50 28/63 38/65 39/58 37/66 41/75 47/80 /20 10/00 10/30 90/80 20/10 10/00 00/10 Harlowton Ptcldy Sunny Tstrms Tstrms Ptcldy Sunny Ptcldy /49 26/62 36/64 36/58 35/66 39/75 44/80 /00 00/10 20/40 90/60 10/10 00/00 00/00 Roundup Mocldy Sunny Tstrms Shwrs Ptcldy Sunny Sunny /50 27/66 39/68 40/61 38/68 42/77 48/83 /00 00/10 10/40 80/60 10/10 00/00 00/10 Billings Mocldy Sunny Ptcldy Tstrms Ptcldy Sunny Sunny /50 30/67 42/71 43/61 40/68 43/79 49/85 /10 00/00 10/10 80/70 20/10 00/00 00/10 Red Lodge Windy Sunny Tstrms Tstrms Ptcldy Sunny Sunny /42 27/57 38/61 39/51 37/60 42/70 50/76 /40 10/00 10/50 90/80 20/20 10/10 00/10 Columbus Mocldy Sunny Tstrms Tstrms Ptcldy Sunny Sunny /50 25/64 35/68 37/59 35/67 38/77 44/83 /10 00/00 00/20 90/80 20/10 00/00 00/10 Hardin Mocldy Sunny Ptcldy Tstrms Ptcldy Sunny Sunny /50 26/67 36/73 41/61 37/69 40/78 46/85 /10 00/00 00/00 50/70 30/10 10/00 00/10 ...SOUTHEAST MONTANA... Miles City Mocldy Sunny Ptcldy Mocldy Ptcldy Sunny Sunny /48 30/64 40/73 44/65 40/69 42/77 47/83 /10 00/00 00/00 40/40 20/10 10/00 00/10 Forsyth Mocldy Sunny Ptcldy Tstrms Ptcldy Sunny Sunny /49 28/66 40/73 43/64 39/69 42/78 47/84 /10 00/00 00/10 50/60 20/10 10/00 10/10 Broadus Mocldy Sunny Sunny Tstrms Ptcldy Sunny Sunny /45 29/62 39/72 42/64 40/66 42/76 47/83 /30 00/00 00/00 10/60 40/20 10/00 00/10 Baker Mocldy Sunny Ptcldy Tstrms Ptcldy Sunny Sunny /46 28/60 36/73 39/66 37/66 40/75 46/83 /40 20/00 00/00 20/50 30/20 20/00 00/10 ...NORTH CENTRAL WYOMING... Sheridan Shwrs Sunny Ptcldy Tstrms Ptcldy Sunny Sunny /43 24/60 31/67 36/55 33/64 35/74 40/82 /90 00/00 00/10 30/90 40/30 10/10 00/10 $$ weather.gov/billings