Expires:202512211200;;950377 FPUS53 KFSD 210417 ZFPFSD Zone Forecasts for SE South Dakota/NW Iowa/SW Minnesota National Weather Service Sioux Falls SD 1015 PM CST Sat Dec 20 2025 NEZ014-211200- Dakota- Including the city of South Sioux City 1015 PM CST Sat Dec 20 2025 .OVERNIGHT...Mostly clear. Cooler with lows in the lower 20s. Southeast winds 5 to 10 mph. .SUNDAY...Mostly sunny. Highs in the mid 40s. South winds 15 to 20 mph with gusts up to 30 mph. .SUNDAY NIGHT...Mostly cloudy. Not as cool with lows in the lower 30s. South winds 10 to 15 mph with gusts up to 25 mph. .MONDAY...Mostly sunny. Not as cool with highs in the mid 50s. 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. West winds 5 to 10 mph, becoming northwest after midnight. .TUESDAY...Partly sunny. Highs in the mid 40s. .TUESDAY NIGHT...Mostly cloudy. Lows in the lower 30s. .WEDNESDAY...Cloudy in the morning, then becoming partly sunny. Highs in the lower 50s. .WEDNESDAY NIGHT...Partly cloudy in the evening, then becoming mostly cloudy. Lows in the mid 30s. .CHRISTMAS DAY...Mostly sunny. Highs in the upper 50s. .THURSDAY NIGHT...Mostly cloudy. Lows around 30. .FRIDAY...Mostly cloudy in the morning, then becoming partly sunny. Cooler with highs in the upper 40s. .FRIDAY NIGHT...Mostly cloudy. Lows in the upper 20s. .SATURDAY...Mostly sunny. Highs in the lower 40s. $$