Expires:202512261700;;247898 FPUS53 KFSD 260921 ZFPFSD Zone Forecasts for SE South Dakota/NW Iowa/SW Minnesota National Weather Service Sioux Falls SD 319 AM CST Fri Dec 26 2025 SDZ055-261700- Lake- Including the cities of Madison and Orland 319 AM CST Fri Dec 26 2025 ...DENSE FOG ADVISORY REMAINS IN EFFECT UNTIL 9 AM CST FRIDAY... .TODAY...Partly sunny. Areas of fog and dense freezing fog this morning, then patchy fog this afternoon. Highs around 40. North winds 5 to 10 mph, becoming southeast this afternoon. .TONIGHT...Mostly cloudy. Patchy fog. Near steady temperature in the mid 30s. South winds around 10 mph. .SATURDAY...Partly sunny. Highs in the upper 40s. South winds 5 to 10 mph. .SATURDAY NIGHT...Mostly cloudy and breezy. Much colder with lows around 14. Northwest winds 10 to 15 mph, becoming north 15 to 25 mph with gusts up to 35 mph after midnight. .SUNDAY...Mostly cloudy. A slight chance of snow in the morning. Windy and much cooler with highs in the lower 20s. Temperature falling to around 14 in the afternoon. Northwest winds 25 to 30 mph with gusts up to 40 mph. Chance of snow 20 percent. .SUNDAY NIGHT...Mostly cloudy and breezy, colder with lows zero to 5 above zero. Wind chill values as low as 15 below. .MONDAY...Sunny. Highs 15 to 20. Wind chill values as low as 15 below in the morning. .MONDAY NIGHT...Mostly clear in the evening, then becoming partly cloudy. Cold with lows around 10 above. Temperature rising to around 15 after midnight. .TUESDAY...Partly sunny. Not as cool with highs in the mid 30s. .TUESDAY NIGHT...Mostly cloudy. Cold with lows around 10 above. .WEDNESDAY...Mostly cloudy in the morning, then becoming partly sunny. A 20 percent chance of snow. Cooler with highs in the lower 20s. .WEDNESDAY NIGHT...Mostly cloudy. Cold with lows 5 to 10 above. .NEW YEARS DAY...Mostly sunny. Highs around 20. $$