Expires:202512211600;;959530 FPUS53 KFSD 210822 ZFPFSD Zone Forecasts for SE South Dakota/NW Iowa/SW Minnesota National Weather Service Sioux Falls SD 220 AM CST Sun Dec 21 2025 IAZ031-211600- Woodbury- Including the city of Sioux City 220 AM CST Sun Dec 21 2025 .TODAY...Sunny. Highs in the lower 40s. South winds 10 to 15 mph with gusts up to 25 mph. .TONIGHT...Mostly cloudy. Not as cool with lows in the lower 30s. South winds 10 to 15 mph with gusts up to 25 mph. .MONDAY...Sunny. Highs around 50. South winds 10 to 15 mph with gusts up to 25 mph. .MONDAY NIGHT...Mostly clear in the evening, then becoming partly cloudy. Lows in the upper 20s. Southwest winds 5 to 10 mph, becoming northwest after midnight. .TUESDAY...Partly sunny. Highs in the lower 40s. North winds around 5 mph, becoming east in the afternoon. .TUESDAY NIGHT...Mostly cloudy. Lows in the lower 30s. .WEDNESDAY...Mostly cloudy. Highs in the lower 50s. .WEDNESDAY NIGHT...Mostly cloudy. Lows in the mid 30s. .CHRISTMAS DAY...Mostly cloudy in the morning, then becoming mostly sunny. Highs in the mid 50s. .THURSDAY NIGHT...Mostly cloudy. Cooler with lows in the mid 20s. .FRIDAY...Mostly sunny. Cooler with highs around 40. .FRIDAY NIGHT...Mostly cloudy. Lows in the upper 20s. .SATURDAY...Partly sunny. Highs in the mid 40s. $$