FPUS63 KFSD 191938 SFTSD SDZ001>074-201000- Tabular State Forecast for South Dakota National Weather Service Sioux Falls SD 238 PM CDT Tue May 19 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 Wed Thu Fri Sat Sun Mon Tue May 20 May 21 May 22 May 23 May 24 May 25 May 26 ...WESTERN SOUTH DAKOTA... Buffalo Ptcldy Shwrs Shwrs Sunny Sunny Sunny Sunny 36/71 39/67 40/65 39/75 45/84 48/88 52/85 00/30 30/50 70/50 20/00 00/10 10/00 10/10 Custer Ptcldy Shwrs Shwrs Sunny Sunny Sunny Ptcldy 31/59 37/61 38/56 37/67 44/77 48/82 51/79 00/20 20/70 90/70 50/10 10/10 10/00 00/30 Faith Sunny Ptcldy Shwrs Ptcldy Sunny Sunny Sunny 34/68 40/70 42/64 40/74 45/83 49/89 53/87 00/10 10/30 80/70 40/10 00/00 00/00 10/10 Philip Ptcldy Ptcldy Shwrs Ptcldy Sunny Sunny Ptcldy 33/66 39/73 42/65 40/76 44/87 50/93 54/90 00/30 30/20 70/70 50/10 00/00 00/00 10/10 Pine Ridge Mocldy Ptcldy Shwrs Ptcldy Sunny Sunny Sunny 35/61 39/70 40/63 38/75 44/86 49/90 52/87 00/40 20/40 90/80 30/10 10/00 00/00 10/10 Rapid City Ptcldy Shwrs Shwrs Sunny Sunny Sunny Sunny 34/67 40/70 42/65 41/75 45/85 50/91 54/88 00/30 30/50 90/70 30/10 10/10 10/00 00/20 ...CENTRAL SOUTH DAKOTA... Chamberlain Ptcldy Ptcldy Shwrs Ptcldy Sunny Sunny Sunny 33/64 41/69 43/63 42/73 46/85 53/90 56/88 00/20 20/00 30/80 80/10 10/10 10/00 10/10 Mobridge Sunny Ptcldy Shwrs Ptcldy Sunny Sunny Sunny 34/69 41/71 42/64 40/73 44/83 49/88 53/87 00/00 10/10 50/60 40/10 10/10 10/00 10/10 Pierre Sunny Ptcldy Shwrs Ptcldy Sunny Sunny Sunny 33/67 41/71 43/65 41/74 45/86 50/91 54/89 00/20 20/10 40/60 60/10 10/00 00/00 10/10 Winner Ptcldy Ptcldy Shwrs Ptcldy Sunny Sunny Sunny 33/63 41/68 44/63 42/74 47/85 54/90 57/88 00/30 30/10 40/80 80/10 10/00 00/00 10/10 ...EASTERN SOUTH DAKOTA... Aberdeen Sunny Ptcldy Shwrs Ptcldy Sunny Sunny Ptcldy 28/66 39/70 42/63 40/71 42/82 49/88 53/88 00/00 00/00 10/70 70/20 10/10 20/10 10/10 Huron Sunny Ptcldy Shwrs Ptcldy Sunny Sunny Ptcldy 31/66 41/70 43/62 42/72 44/83 52/89 55/89 00/00 00/00 10/70 70/20 10/10 30/10 10/10 Mitchell Ptcldy Ptcldy Shwrs Ptcldy Sunny Sunny Sunny 32/64 41/69 43/62 42/72 45/84 53/89 56/89 00/00 00/00 20/80 80/10 10/10 30/20 10/10 Sioux Falls Ptcldy Ptcldy Tstrms Mocldy Sunny Sunny Ptcldy 34/62 41/66 44/61 44/70 47/81 54/86 57/87 00/00 00/00 20/70 70/30 10/10 30/20 10/10 Sisseton Sunny Ptcldy Shwrs Mocldy Sunny Sunny Sunny 32/64 40/68 43/61 43/68 45/80 51/86 54/86 00/00 00/00 00/60 60/30 10/10 20/10 10/10 Watertown Sunny Ptcldy Shwrs Mocldy Sunny Sunny Sunny 30/62 39/66 41/59 41/68 44/79 51/85 54/85 10/00 00/00 00/70 70/30 10/10 30/10 10/10 Yankton Ptcldy Ptcldy Tstrms Ptcldy Sunny Sunny Ptcldy 35/62 41/66 44/62 44/72 47/83 54/88 57/88 00/00 00/00 30/80 80/20 10/10 20/10 10/10 $$