Tue Feb 18 12:44:04 AM EST 2025 Sully- Including the city of Onida 1143 PM CST Mon Feb 17 2025 ...EXTREME COLD WARNING REMAINS IN EFFECT UNTIL 1 PM CST /NOON MST/ TUESDAY... .REST OF TONIGHT...Partly cloudy late in the evening then becoming mostly cloudy. Lows around 25 below. Northeast winds 5 to 10 mph. Wind chill readings 35 below to 45 below zero. .TUESDAY...Mostly cloudy. Highs around 5 below. East winds 5 to 10 mph. Coldest wind chill readings 35 below to 45 below zero in the morning. .TUESDAY NIGHT...Mostly cloudy in the evening then becoming partly cloudy. Lows around 25 below. North winds 5 to 10 mph. Coldest wind chill readings 32 below to 42 below zero after midnight. .WEDNESDAY...Mostly sunny. Highs zero to 5 above. North winds 5 to 10 mph. Coldest wind chill readings 27 below to 37 below zero in the morning. .WEDNESDAY NIGHT...Clear. Lows around 15 below. Northeast winds up to 5 mph shifting to the southeast after midnight. Wind chill readings 23 below to 33 below zero. .THURSDAY...Sunny. Highs around 15. Coldest wind chill readings 24 below to 34 below zero in the morning. .THURSDAY NIGHT AND FRIDAY...Mostly clear. Lows zero to 5 above. Highs in the lower 30s. .FRIDAY NIGHT AND SATURDAY...Mostly clear. Lows 10 to 15. Highs in the upper 40s. .SATURDAY NIGHT...Mostly clear. Lows in the upper 20s. .SUNDAY THROUGH MONDAY...Breezy. Partly cloudy. Highs in the mid 50s. Lows in the mid 30s.