Expires:202607230200;;423283 FPUS53 KFSD 221835 ZFPFSD Zone Forecasts for SE South Dakota/NW Iowa/SW Minnesota National Weather Service Sioux Falls SD 134 PM CDT Wed Jul 22 2026 SDZ039-230200- Kingsbury- Including the cities of De Smet, Arlington, and Lake Preston 134 PM CDT Wed Jul 22 2026 .THIS AFTERNOON...Mostly sunny. Near steady temperature in the mid 70s. Northwest winds around 5 mph. .TONIGHT...Mostly clear in the evening, then becoming partly cloudy. Lows in the upper 50s. South winds 5 to 10 mph. .THURSDAY...Partly sunny in the morning, then becoming mostly cloudy. Highs in the upper 70s. South winds 10 to 15 mph with gusts up to 25 mph. .THURSDAY NIGHT...Mostly cloudy. Lows around 60. South winds 10 to 15 mph with gusts up to 25 mph. .FRIDAY...Mostly cloudy in the morning, then clearing. Humid with highs in the mid 80s. South winds 10 to 15 mph with gusts up to 25 mph. .FRIDAY NIGHT...Mostly clear. Lows in the upper 60s. .SATURDAY...Sunny, warmer with highs in the upper 90s. .SATURDAY NIGHT...Mostly clear in the evening, then becoming partly cloudy. Lows in the lower 70s. Heat index values in the upper 90s early in the evening. .SUNDAY...Mostly sunny. Hot with highs in the upper 90s. .SUNDAY NIGHT...Mostly clear. Lows in the lower 70s. Heat index values up to 100 early in the evening. .MONDAY...Mostly sunny. Highs in the mid 90s. .MONDAY NIGHT...Mostly clear in the evening, then becoming partly cloudy. Lows in the upper 60s. .TUESDAY...Mostly sunny. Highs around 90. $$