Expires:202512261200;;234941 FPUS53 KFSD 260421 ZFPFSD Zone Forecasts for SE South Dakota/NW Iowa/SW Minnesota National Weather Service Sioux Falls SD 1019 PM CST Thu Dec 25 2025 SDZ053-261200- Sanborn- Including the city of Woonsocket 1019 PM CST Thu Dec 25 2025 ...DENSE FOG ADVISORY REMAINS IN EFFECT UNTIL 9 AM CST FRIDAY... .OVERNIGHT...Mostly cloudy. Patchy fog. Lows in the lower 30s. Northwest winds 5 to 10 mph. .FRIDAY...Partly sunny. Areas of fog and freezing fog in the morning, then patchy fog in the afternoon. Highs in the lower 40s. North winds 5 to 10 mph, becoming southeast in the afternoon. .FRIDAY NIGHT...Mostly cloudy. Near steady temperature in the mid 30s. South winds 5 to 10 mph. .SATURDAY...Partly sunny. Highs in the lower 50s. South winds around 10 mph, becoming northwest in the afternoon. .SATURDAY NIGHT...Mostly cloudy. A slight chance of snow after midnight. Breezy and much cooler with lows around 15. North winds 10 to 15 mph with gusts up to 25 mph, increasing to 15 to 25 mph with gusts up to 35 mph after midnight. Chance of snow 20 percent. .SUNDAY...Mostly cloudy with a slight chance of snow in the morning, then partly sunny in the afternoon. Windy and much cooler with highs in the lower 20s. Temperature falling to around 15 in the afternoon. Chance of snow 20 percent. .SUNDAY NIGHT...Partly cloudy and breezy, colder with lows zero to 5 above zero. Wind chill values as low as 15 below. .MONDAY...Sunny. Highs in the lower 20s. Wind chill values as low as 10 below in the morning. .MONDAY NIGHT...Partly cloudy. Cold with lows around 10 above. Temperature rising to around 20 after midnight. .TUESDAY...Partly sunny. Not as cool with highs in the lower 40s. .TUESDAY NIGHT...Mostly cloudy. Lows 15 to 20. .WEDNESDAY...Mostly cloudy in the morning, then becoming partly sunny. A 20 percent chance of snow. Cooler with highs around 30. .WEDNESDAY NIGHT...Partly cloudy. Cold with lows around 10 above. .NEW YEARS DAY...Partly sunny. Highs in the lower 20s. $$