Tue Nov 19 04:21:03 PM EST 2024 Arco/Mud Lake Desert-Upper Snake River Plain- Including Mud Lake, INL, Craters of the Moon NM, Idaho Falls, Rexburg, and St. Anthony 220 PM MST Tue Nov 19 2024 .TONIGHT...Mostly clear. Lows 5 to 14. Northeast winds up to 10 mph. .WEDNESDAY...Partly sunny with a slight chance of snow. Highs 29 to 36. Northeast winds up to 10 mph. Chance of precipitation 20 percent. .WEDNESDAY NIGHT...Mostly cloudy. A slight chance of snow in the evening...then a chance of snow after midnight. Little or no snow accumulation. Lows 17 to 27. Northeast winds up to 10 mph. Chance of precipitation 50 percent. .THURSDAY...Snow and rain likely. Not as cold. Highs 35 to 43. Northeast winds up to 10 mph. Chance of precipitation 70 percent. .THURSDAY NIGHT...Mostly cloudy with a slight chance of rain and snow. Lows 21 to 31. Northeast winds up to 10 mph. Chance of precipitation 20 percent. .FRIDAY...Partly sunny with a slight chance of rain and snow. Highs 38 to 45. .FRIDAY NIGHT...Mostly cloudy with a chance of rain and snow. Lows 23 to 33. .SATURDAY...Rain and snow. Highs 35 to 42. .SATURDAY NIGHT...Snow likely. Lows 17 to 27. .SUNDAY...Partly sunny with a chance of snow. Highs 29 to 36. .SUNDAY NIGHT...Mostly cloudy with a chance of snow. Lows 12 to 22. .MONDAY THROUGH TUESDAY...Mostly cloudy with a chance of snow. Highs 25 to 35. Lows 10 to 20.