FPUS63 KFSD 190329 SFTSD STZ000-191000- Tabular State Forecast for South Dakota National Weather Service Sioux Falls SD 1029 PM CDT Sun May 18 2025 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 Mon Tue Wed Thu Fri Sat Sun May 19 May 20 May 21 May 22 May 23 May 24 May 25 ...WESTERN SOUTH DAKOTA... Buffalo Rain Rnsnow Mocldy Sunny Ptcldy Ptcldy Tstrms 39/42 36/49 35/55 34/64 42/60 43/64 46/63 100/100 90/70 40/30 30/10 40/40 40/40 60/60 Custer Rnsnow Rnsnow Shwrs Sunny Shwrs Ptcldy Tstrms 35/42 32/50 34/54 34/60 41/60 41/62 45/63 100/100 70/60 40/50 50/10 40/50 50/40 60/60 Faith Rain Rnsnow Snoshwr Ptcldy Ptcldy Ptcldy Tstrms 39/42 37/46 34/50 33/61 42/60 44/63 48/66 100/100 90/90 70/50 30/10 40/40 40/40 60/60 Philip Tstrms Rain Mocldy Sunny Ptcldy Ptcldy Tstrms 44/47 38/49 35/53 33/65 44/64 44/68 49/70 100/90 70/80 50/30 20/10 40/40 40/40 60/60 Pine Ridge Rain Rain Ptcldy Sunny Shwrs Ptcldy Tstrms 43/49 36/52 34/58 34/67 44/67 44/69 48/69 100/90 60/60 30/30 30/10 50/50 40/40 60/60 Rapid City Rain Rain Ptcldy Sunny Shwrs Ptcldy Tstrms 41/45 36/53 37/57 36/66 44/63 45/68 49/68 100/100 80/60 40/30 30/10 40/50 50/40 60/50 ...CENTRAL SOUTH DAKOTA... Chamberlain Tstrms Shwrs Shwrs Ptcldy Mocldy Ptcldy Tstrms 48/57 44/50 36/51 36/63 42/63 46/68 51/68 90/90 70/80 70/60 40/10 30/40 40/30 50/50 Mobridge Shwrs Shwrs Shwrs Ptcldy Ptcldy Ptcldy Shwrs 40/46 37/46 35/49 35/64 42/63 44/67 49/68 100/100 90/90 90/60 50/10 20/30 30/30 40/50 Pierre Tstrms Shwrs Shwrs Ptcldy Mocldy Ptcldy Shwrs 45/52 39/49 36/51 34/64 43/64 45/68 51/70 90/90 80/90 80/50 40/10 30/40 40/30 50/50 Winner Tstrms Rain Mocldy Ptcldy Shwrs Ptcldy Tstrms 48/57 42/50 36/52 34/64 43/64 45/69 51/70 100/90 60/90 70/40 30/10 40/50 40/40 60/60 ...EASTERN SOUTH DAKOTA... Aberdeen Tstrms Shwrs Shwrs Ptcldy Ptcldy Ptcldy Mocldy 39/50 38/48 35/50 34/66 38/66 43/69 47/70 80/90 90/90 90/70 50/10 10/20 20/20 30/40 Huron Tstrms Shwrs Shwrs Ptcldy Ptcldy Ptcldy Shwrs 44/54 44/50 36/50 36/66 40/65 45/70 50/71 90/90 90/90 90/70 50/10 20/30 30/30 40/50 Mitchell Tstrms Shwrs Shwrs Ptcldy Mocldy Ptcldy Shwrs 47/57 45/51 36/50 36/64 41/64 46/70 51/70 90/90 90/90 80/70 50/10 20/40 40/30 40/50 Sioux Falls Tstrms Shwrs Shwrs Ptcldy Ptcldy Ptcldy Shwrs 48/57 45/52 38/51 38/65 41/64 47/70 50/70 90/80 90/90 80/60 50/10 10/30 30/20 40/50 Sisseton Tstrms Shwrs Shwrs Ptcldy Ptcldy Ptcldy Ptcldy 38/50 39/48 36/55 39/66 42/67 45/68 48/69 20/80 90/90 90/60 40/00 10/20 20/20 30/40 Watertown Tstrms Shwrs Shwrs Ptcldy Ptcldy Ptcldy Mocldy 39/50 39/46 35/50 36/65 40/64 45/68 48/68 50/90 100/100 90/70 50/10 10/20 20/20 30/40 Yankton Tstrms Shwrs Shwrs Ptcldy Mocldy Ptcldy Shwrs 51/62 47/54 38/52 37/65 42/64 47/71 51/71 90/80 90/80 70/60 50/10 20/40 40/30 40/50 $$