Expires:202512210600;;939576 FPUS53 KFSD 202258 ZFPFSD Zone Forecasts for SE South Dakota/NW Iowa/SW Minnesota National Weather Service Sioux Falls SD 455 PM CST Sat Dec 20 2025 IAZ003-210600- Dickinson- Including the cities of Spirit Lake, Milford, and Arnolds Park 455 PM CST Sat Dec 20 2025 .TONIGHT...Clear, colder with lows around 11. Northwest winds 5 to 10 mph with gusts up to 20 mph, becoming east after midnight. .SUNDAY...Mostly sunny. Highs in the mid 30s. South winds 10 to 15 mph with gusts up to 25 mph. .SUNDAY NIGHT...Mostly cloudy. A chance of flurries in the evening. Not as cool with lows in the upper 20s. South winds around 15 mph with gusts up to 25 mph. .MONDAY...Partly sunny. Highs in the lower 40s. South winds 10 to 15 mph with gusts up to 25 mph. .MONDAY NIGHT...Partly cloudy. Lows in the upper 20s. West winds around 10 mph, becoming northwest after midnight. .TUESDAY...Partly sunny. Highs in the mid 30s. .TUESDAY NIGHT...Mostly cloudy. Near steady temperature in the upper 20s. .WEDNESDAY...Cloudy. Highs in the lower 40s. .WEDNESDAY NIGHT...Mostly cloudy. Near steady temperature in the mid 30s. .CHRISTMAS DAY...Mostly sunny. Highs in the upper 40s. .THURSDAY NIGHT...Mostly cloudy in the evening, then becoming partly cloudy. Lows in the mid 20s. .FRIDAY...Partly sunny. Cooler with highs in the upper 30s. .FRIDAY NIGHT...Mostly cloudy. Lows in the lower 20s. .SATURDAY...Sunny. Highs in the mid 30s. Temperature falling into the lower 30s in the afternoon. $$