Mon Feb 17 09:21:39 PM EST 2025 Fergus County below 4500ft- Including Hilger and Lewistown 720 PM MST Mon Feb 17 2025 .REST OF TONIGHT...Colder, cloudy. Chance of snow early in the evening, then slight chance of snow after midnight. Lows 15 below to 20 below zero. East winds 5 to 15 mph. Chance of snow 50 percent. Wind chill readings 30 below to 40 below zero. .TUESDAY...Mostly cloudy. A 50 percent chance of snow in the morning. Highs around 5 below. East winds up to 10 mph. Wind chill readings 30 below to 40 below zero in the morning. .TUESDAY NIGHT...Partly cloudy. Lows 20 below to 25 below zero. Southeast winds up to 10 mph. .WEDNESDAY...Not as cold. Sunny. Highs 5 to 15. Southeast winds up to 10 mph increasing to 10 to 15 mph in the afternoon. .WEDNESDAY NIGHT...Not as cold. Partly cloudy. Lows 5 below to zero. Southeast winds 5 to 15 mph. .THURSDAY AND THURSDAY NIGHT...Not as cold. Mostly cloudy. Highs 30 to 35. Lows 20 to 25. .FRIDAY AND FRIDAY NIGHT...Partly cloudy. Highs around 40. Lows 25 to 30. .SATURDAY AND SATURDAY NIGHT...Partly cloudy. Highs around 45. Lows 30 to 35. .SUNDAY THROUGH MONDAY...Breezy. Mostly cloudy. Highs 45 to 50. Lows 35 to 40. && TEMPERATURE / PRECIPITATION Lewistown -17 -2 -19 19 / 80 40 0 0