Expires:202605172200;;707119 FPUS63 KFSD 171104 SFTSD SDZ001>074-172200- Tabular State Forecast for South Dakota National Weather Service Sioux Falls SD 603 AM CDT Sun May 17 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 Mon Tue Wed Thu Fri Sat May 17 May 18 May 19 May 20 May 21 May 22 May 23 ...WESTERN SOUTH DAKOTA... Buffalo Shwrs Shwrs Ptcldy Ptcldy Ptcldy Ptcldy Ptcldy /61 35/46 32/55 32/69 40/68 41/72 44/75 /90 10/70 70/20 00/00 20/20 20/20 20/20 Custer Shwrs Snoshwr Ptcldy Sunny Shwrs Ptcldy Sunny /58 32/37 26/49 30/59 37/59 39/65 42/69 /60 60/90 90/10 10/20 20/50 50/30 30/30 Faith Shwrs Shwrs Ptcldy Sunny Ptcldy Ptcldy Ptcldy /60 35/46 33/54 32/69 40/69 42/72 45/76 /70 10/80 80/10 00/00 10/20 20/20 20/30 Philip Shwrs Shwrs Ptcldy Sunny Ptcldy Ptcldy Ptcldy /65 36/47 32/58 32/70 42/70 43/75 46/80 /70 20/100 100/00 00/10 10/20 20/30 30/20 Pine Ridge Shwrs Shwrs Ptcldy Sunny Ptcldy Ptcldy Sunny /64 34/42 30/57 32/67 40/68 42/75 46/79 /70 40/100 100/10 00/20 20/30 30/30 20/20 Rapid City Shwrs Shwrs Ptcldy Sunny Ptcldy Ptcldy Sunny /64 36/44 33/57 33/69 41/68 42/74 46/78 /60 40/100 100/10 10/20 20/30 30/20 20/20 ...CENTRAL SOUTH DAKOTA... Chamberlain Tstrms Shwrs Ptcldy Sunny Ptcldy Ptcldy Ptcldy /69 40/52 37/56 34/68 45/69 45/73 49/79 /100 40/80 80/10 00/00 10/20 20/30 30/30 Mobridge Shwrs Shwrs Ptcldy Sunny Ptcldy Ptcldy Ptcldy /56 36/50 34/54 32/68 42/69 42/72 45/76 /80 00/70 70/10 10/00 10/30 20/30 30/20 Pierre Tstrms Shwrs Ptcldy Sunny Ptcldy Ptcldy Ptcldy /63 38/50 35/56 33/69 43/69 44/73 47/79 /70 20/90 90/10 00/00 10/20 20/30 30/30 Winner Tstrms Shwrs Ptcldy Ptcldy Ptcldy Ptcldy Ptcldy /67 39/49 35/56 33/68 45/69 46/73 50/79 /90 40/90 90/10 00/00 10/20 20/30 30/20 ...EASTERN SOUTH DAKOTA... Aberdeen Tstrms Shwrs Mocldy Sunny Ptcldy Ptcldy Ptcldy /60 37/53 34/54 31/66 42/69 42/72 46/76 /100 70/60 80/20 00/00 10/20 20/30 40/30 Huron Tstrms Shwrs Ptcldy Sunny Ptcldy Ptcldy Ptcldy /71 40/55 36/56 32/67 43/70 44/73 49/78 /100 80/70 70/20 00/00 10/20 20/30 30/30 Mitchell Tstrms Shwrs Ptcldy Sunny Ptcldy Ptcldy Ptcldy /76 42/56 37/57 33/67 44/69 45/74 50/79 /100 70/80 80/20 00/00 10/20 20/30 30/30 Sioux Falls Tstrms Shwrs Mocldy Sunny Ptcldy Ptcldy Ptcldy /82 47/60 41/56 36/65 44/67 47/72 51/77 /60 100/70 70/30 00/00 00/10 20/20 40/30 Sisseton Tstrms Shwrs Mocldy Sunny Ptcldy Ptcldy Ptcldy /62 41/53 37/51 34/63 43/67 45/69 49/74 /80 100/50 90/40 00/00 10/20 20/30 40/40 Watertown Tstrms Shwrs Mocldy Sunny Ptcldy Ptcldy Ptcldy /66 40/52 36/51 32/61 42/65 44/68 47/73 /100 80/60 80/30 00/00 10/30 30/30 40/40 Yankton Tstrms Shwrs Mocldy Ptcldy Ptcldy Ptcldy Ptcldy /86 46/59 40/58 36/67 45/68 47/73 52/79 /90 90/80 80/20 00/00 10/10 20/20 30/30 $$