Expires:202512270100;;267207 FPUS53 KFSD 261746 ZFPFSD Zone Forecasts for SE South Dakota/NW Iowa/SW Minnesota National Weather Service Sioux Falls SD 1144 AM CST Fri Dec 26 2025 SDZ061-270100- McCook- Including the cities of Salem, Canistota, Bridgewater, and Montrose 1144 AM CST Fri Dec 26 2025 .THIS AFTERNOON...Patchy fog early. Mostly sunny. Highs around 40. North winds around 5 mph, becoming southeast. .TONIGHT...Patchy fog in the evening. Mostly cloudy. Near steady temperature in the mid 30s. Southeast winds around 10 mph. .SATURDAY...Partly sunny. Highs around 50. South winds 5 to 10 mph. .SATURDAY NIGHT...Mostly cloudy and breezy. Much cooler with lows around 15. North winds 10 to 15 mph, increasing to 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 15 in the afternoon. Northwest winds 20 to 30 mph with gusts up to 40 mph. Chance of snow 20 percent. .SUNDAY NIGHT...Mostly cloudy in the evening, then becoming partly cloudy. Breezy, colder with lows zero to 5 above zero. Wind chill values as low as 15 below. .MONDAY...Sunny. Highs around 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 upper 30s. .TUESDAY NIGHT...Partly cloudy in the evening, then becoming mostly cloudy. Cold with lows 10 to 15. .WEDNESDAY...Mostly cloudy with a slight chance of snow in the morning, then partly sunny in the afternoon. Cooler with highs in the mid 20s. Chance of snow 20 percent. .WEDNESDAY NIGHT...Mostly cloudy. Cold with lows 5 to 10 above. .NEW YEARS DAY...Mostly sunny. Highs in the lower 20s. $$