FPUS63 KFSD 200738 SFTSD SDZ001>074-202200- Tabular State Forecast for South Dakota National Weather Service Sioux Falls SD 238 AM CDT Wed May 20 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 Thu Fri Sat Sun Mon Tue May 20 May 21 May 22 May 23 May 24 May 25 May 26 ...WESTERN SOUTH DAKOTA... Buffalo Sunny Tstrms Shwrs Sunny Sunny Sunny Sunny /72 40/68 41/65 40/74 45/83 48/89 53/87 /20 20/60 70/60 30/00 00/00 00/00 00/10 Custer Sunny Tstrms Shwrs Sunny Sunny Sunny Sunny /60 37/61 39/55 37/66 43/77 49/82 52/77 /20 20/70 70/70 60/20 20/20 20/00 00/20 Faith Sunny Ptcldy Shwrs Ptcldy Sunny Sunny Sunny /68 41/70 42/62 40/73 44/84 49/90 54/86 /20 20/30 60/60 50/00 00/00 00/00 00/00 Philip Ptcldy Ptcldy Shwrs Ptcldy Sunny Sunny Sunny /65 40/72 42/63 40/75 44/86 50/94 55/88 /20 20/20 70/70 60/10 10/00 00/00 00/00 Pine Ridge Mocldy Ptcldy Shwrs Ptcldy Sunny Sunny Sunny /61 39/69 40/62 38/75 44/86 48/91 53/85 /30 20/30 70/70 50/00 20/00 00/00 00/10 Rapid City Sunny Tstrms Shwrs Sunny Sunny Sunny Sunny /68 40/70 42/63 40/73 45/85 50/91 55/87 /20 20/60 70/70 30/20 20/20 20/00 00/10 ...CENTRAL SOUTH DAKOTA... Chamberlain Ptcldy Ptcldy Shwrs Ptcldy Sunny Sunny Sunny /65 42/68 43/59 42/71 45/84 52/90 56/85 /20 20/00 30/80 80/20 10/00 10/00 00/00 Mobridge Sunny Ptcldy Shwrs Ptcldy Sunny Sunny Sunny /69 42/70 43/63 41/72 44/83 49/89 53/85 /00 10/00 20/50 50/10 10/00 10/00 10/10 Pierre Sunny Ptcldy Shwrs Ptcldy Sunny Sunny Ptcldy /68 42/70 43/61 41/73 44/85 49/91 54/86 /10 10/00 30/70 70/10 10/00 10/00 00/00 Winner Ptcldy Ptcldy Shwrs Ptcldy Sunny Sunny Sunny /62 42/68 43/61 43/72 46/85 53/90 57/84 /30 30/00 40/70 70/10 10/00 00/00 00/10 ...EASTERN SOUTH DAKOTA... Aberdeen Sunny Ptcldy Shwrs Ptcldy Sunny Sunny Sunny /67 40/69 42/63 41/70 42/81 48/89 53/85 /00 00/00 00/60 60/30 10/00 10/10 10/00 Huron Ptcldy Ptcldy Shwrs Ptcldy Sunny Sunny Sunny /67 41/70 42/61 42/70 43/82 51/89 56/86 /00 10/10 10/80 80/30 10/00 10/10 00/00 Mitchell Ptcldy Ptcldy Shwrs Ptcldy Sunny Sunny Sunny /65 42/69 43/60 43/70 44/83 52/89 57/86 /00 10/10 10/80 80/40 10/10 10/10 10/00 Sioux Falls Ptcldy Ptcldy Shwrs Mocldy Sunny Sunny Ptcldy /63 42/66 44/59 45/69 46/80 53/86 57/86 /00 10/10 10/70 70/30 10/10 10/10 00/10 Sisseton Sunny Ptcldy Shwrs Shwrs Sunny Sunny Ptcldy /64 41/68 43/62 43/66 44/79 51/86 55/84 /00 00/00 00/50 70/60 10/00 20/20 10/10 Watertown Sunny Ptcldy Shwrs Shwrs Sunny Sunny Ptcldy /63 39/66 41/58 41/65 43/78 50/85 54/83 /00 00/00 00/60 70/50 10/00 10/10 00/10 Yankton Ptcldy Ptcldy Shwrs Mocldy Sunny Sunny Ptcldy /64 42/66 44/60 45/70 46/82 53/88 57/87 /10 10/00 20/80 80/30 00/00 10/10 10/10 $$