Expires:202601051600;;816458 FPUS53 KFSD 050808 ZFPFSD Zone Forecasts for SE South Dakota/NW Iowa/SW Minnesota National Weather Service Sioux Falls SD 206 AM CST Mon Jan 5 2026 SDZ056-051600- Moody- Including the city of Flandreau 206 AM CST Mon Jan 5 2026 ...DENSE FOG ADVISORY REMAINS IN EFFECT UNTIL 9 AM CST THIS MORNING... .TODAY...Areas of dense freezing fog this morning. Mostly cloudy. Highs in the mid 40s. South winds 5 to 10 mph. .TONIGHT...Mostly cloudy. A slight chance of rain in the evening. Lows in the upper 20s. South winds around 5 mph, becoming northwest after midnight. Chance of rain 20 percent. .TUESDAY...Mostly sunny. A chance of flurries in the morning, then a chance of sprinkles in the afternoon. Highs in the lower 40s. Northwest winds 5 to 10 mph. .TUESDAY NIGHT...Partly cloudy. Lows in the mid 20s. Southwest winds 5 to 10 mph. .WEDNESDAY...Mostly sunny. Highs in the upper 40s. Southwest winds 5 to 10 mph. .WEDNESDAY NIGHT...Partly cloudy in the evening, then becoming mostly cloudy. Lows in the upper 20s. .THURSDAY...Mostly sunny. Highs in the lower 40s. .THURSDAY NIGHT...Mostly cloudy. A slight chance of snow after midnight. Lows in the mid 20s. Chance of snow 20 percent. .FRIDAY...Partly sunny with a 20 percent chance of snow. Highs in the upper 30s. .FRIDAY NIGHT...Mostly cloudy with a 20 percent chance of snow. Lows around 20. .SATURDAY...Partly sunny. A slight chance of snow in the morning. Cooler with highs in the upper 20s. Chance of snow 20 percent. .SATURDAY NIGHT...Mostly cloudy. Cold with lows 10 to 15. .SUNDAY...Mostly sunny. Highs in the mid 30s. $$