Wed Jan 8 12:30:49 AM EST 2025 Northern Sioux County- Including the city of Harrison 1029 PM MST Tue Jan 7 2025 .REST OF TONIGHT...Mostly clear and cold. Near steady temperature around 8 above. West winds 10 to 15 mph with gusts up to 25 mph. Wind chill values as low as 10 below. .WEDNESDAY...Mostly sunny. Not as cool with highs in the upper 30s. West winds 15 to 20 mph with gusts up to 30 mph. Wind chill values as low as 12 below in the morning. .WEDNESDAY NIGHT...Mostly cloudy. A chance of snow after midnight. Snow accumulation up to 1 inch possible. Windy and not as cold. Near steady temperature in the mid 20s. Northwest winds 20 to 30 mph. Gusts up to 40 mph, increasing to 55 mph after midnight. Chance of snow 50 percent. .THURSDAY...Mostly sunny and very windy. Cold with highs in the upper 20s. Temperature falling into the mid 20s in the afternoon. Northwest winds 25 to 35 mph. Gusts up to 55 mph, decreasing to 45 mph in the afternoon. .THURSDAY NIGHT...Mostly clear. Colder with lows 7 to 13 above. Northwest winds 15 to 20 mph with gusts up to 35 mph. Wind chill values as low as 2 below. .FRIDAY...Sunny. Highs in the mid 30s. Wind chill values as low as zero in the morning. .FRIDAY NIGHT...Mostly cloudy. A chance of snow showers after midnight. Not as cold with lows around 20. Temperature rising into the upper 20s after midnight. Chance of snow 50 percent. .SATURDAY...Mostly cloudy with a 40 percent chance of snow showers. Windy with highs in the mid 30s. Temperature falling into the upper 20s in the afternoon. .SATURDAY NIGHT THROUGH MONDAY...Mostly cloudy and blustery, cold. Lows 10 to 20. Highs around 30. Wind chill values as low as zero. .MONDAY NIGHT AND TUESDAY...Partly cloudy. Lows 10 to 15. Highs in the lower 30s. Wind chill values as low as zero.