Routine Fire Wx Fcst (With/Without 6-10 Day Outlook)
Issued by NWS Billings, MT
Issued by NWS Billings, MT
410 FNUS55 KBYZ 041929 FWFBYZ Fire Weather Planning Forecast for SCen and SErn Montana National Weather Service Billings MT 129 PM MDT Sat Oct 4 2025 .DISCUSSION... A strong weather system will continue to move across our region this weekend with widespread precipitation and significant mountain snowfall. Snow levels will drop to as low as 5500-6000 feet on Sunday. Most of the region is expected to receive 0.50-1.50" of precipitation. Look for a warming and drying trend next week as high pressure aloft reestablishes itself. BT MTZ123-051015- Gallatin National Forest- 129 PM MDT Sat Oct 4 2025 .Tonight... * Sky/weather...........Cloudy. Rain and snow likely in the evening, then snow and rain overnight. * Min temperature.......30-39 at 5000 feet...24-34 at 7000 feet. * 24 hr trend.........8 degrees cooler. * Max humidity..........91-96 percent. * 24 hr trend.........3 percent drier. * Wind (20 ft) * Slope/valley.........Northwest winds 5 to 10 mph. * Ridgetop.............North 10 to 20 mph. * Chance of lightning...7 percent. * CWR...................80 percent. .SUNDAY... * Sky/weather...........Cloudy. Snow in the morning, then snow likely in the afternoon. * Max temperature.......41-51 at 5000 feet...31-41 at 7000 feet. * 24 hr trend.........5 degrees cooler. * Min humidity..........64-74 percent at 5000 feet...70-80 percent at 7000 feet. * 24 hr trend.........4 percent drier. * Wind (20 ft) * Slope/valley.........North winds 5 to 10 mph. * Ridgetop.............East 5 to 15 mph. * Chance of lightning...6 percent. * CWR...................80 percent. .SUNDAY NIGHT... * Sky/weather...........Mostly cloudy. Isolated snow showers in the evening. * Min temperature.......22-32 at 5000 feet...19-29 at 7000 feet. * 24 hr trend.........6 degrees cooler. * Max humidity..........84-89 percent. * 24 hr trend.........7 percent drier. * Wind (20 ft) * Slope/valley.........Northeast winds 5 to 10 mph in the evening becoming light overnight. * Ridgetop.............Southeast 5 to 10 mph. * Chance of lightning...1 percent. * CWR...................Zero. .MONDAY... * Sky/weather...........Sunny. * Max temperature.......50-60 at 5000 feet...38-48 at 7000 feet. * 24 hr trend.........8 degrees warmer. * Min humidity..........37-47 percent at 5000 feet...39-49 percent at 7000 feet. * 24 hr trend.........30 percent drier. * Wind (20 ft) * Slope/valley.........Light winds in the morning becoming northwest 5 to 10 mph in the afternoon. * Ridgetop.............West 5 to 10 mph. * Chance of lightning...0 percent. * CWR...................Zero. .Forecast days 3 through 7...... .MONDAY NIGHT...Mostly clear. Lows 26 to 36. South winds 5 to 10 mph. .TUESDAY...Clear. Lows 32 to 42. Highs 58 to 67. South winds 5 to 10 mph. .WEDNESDAY...Clear. Lows 34 to 44. Highs 62 to 69. South winds 5 to 15 mph. .THURSDAY...Mostly clear. Lows 32 to 42. Highs 61 to 71. Southwest winds 5 to 10 mph. .FRIDAY...Mostly clear. Isolated showers. Lows 36 to 46. Highs 62 to 72. .SATURDAY...Mostly sunny. Scattered showers. Highs 62 to 71. $$ MTZ124-051015- Wheatland County/Sweet Grass County- 129 PM MDT Sat Oct 4 2025 .Tonight... * Sky/weather...........Cloudy with rain likely. * Min temperature.......33-38. * 24 hr trend.........12 degrees cooler. * Max humidity..........87-92 percent. * 24 hr trend.........Unchanged. * Wind (20 ft) * Plains...............Northwest winds 5 to 15 mph. * Chance of lightning...6 percent. * CWR...................50 percent. .SUNDAY... * Sky/weather...........Cloudy with rain and snow likely in the morning, then partly sunny with scattered rain showers in the afternoon. * Max temperature.......44-49. * 24 hr trend.........9 degrees cooler. * Min humidity..........51-56 percent. * 24 hr trend.........6 percent drier. * Wind (20 ft) * Plains...............North winds 10 to 20 mph. * Chance of lightning...3 percent. * CWR...................30 percent. .SUNDAY NIGHT... * Sky/weather...........Partly cloudy. * Min temperature.......24-29. * 24 hr trend.........9 degrees cooler. * Max humidity..........87-92 percent. * 24 hr trend.........Unchanged. * Wind (20 ft) * Plains...............North winds 5 to 15 mph in the evening shifting to the southwest 5 to 10 mph overnight. * Chance of lightning...2 percent. * CWR...................Zero. .MONDAY... * Sky/weather...........Sunny. * Max temperature.......56-61. * 24 hr trend.........12 degrees warmer. * Min humidity..........28-33 percent. * 24 hr trend.........23 percent drier. * Wind (20 ft) * Plains...............West winds 5 to 15 mph. * Chance of lightning...0 percent. * CWR...................Zero. .Forecast days 3 through 7...... .MONDAY NIGHT...Mostly clear. Lows 28 to 33. West winds 5 to 15 mph. .TUESDAY...Clear. Lows 33 to 38. Highs 63 to 68. Southwest winds 5 to 15 mph. .WEDNESDAY...Clear. Lows 35 to 40. Highs 68 to 73. West winds 10 to 20 mph. .THURSDAY...Mostly clear. Lows 33 to 38. Highs 64 to 69. Northwest winds 5 to 15 mph. .FRIDAY...Mostly clear. Lows 37 to 42. Highs 66 to 71. .SATURDAY...Mostly sunny. Isolated showers. Highs 67 to 72. $$ MTZ125-051015- Stillwater County- 129 PM MDT Sat Oct 4 2025 .Tonight... * Sky/weather...........Cloudy with rain. * Min temperature.......34-39. * 24 hr trend.........11 degrees cooler. * Max humidity..........93-98 percent. * 24 hr trend.........5 percent drier. * Wind (20 ft) * Plains...............Northwest winds 5 to 15 mph. * Chance of lightning...6 percent. * CWR...................90 percent. .SUNDAY... * Sky/weather...........Cloudy with rain. * Max temperature.......45-50. * 24 hr trend.........9 degrees cooler. * Min humidity..........67-72 percent. * 24 hr trend.........12 percent drier. * Wind (20 ft) * Plains...............North winds 5 to 10 mph. * Chance of lightning...8 percent. * CWR...................90 percent. .SUNDAY NIGHT... * Sky/weather...........Mostly cloudy. Scattered rain showers and isolated snow showers in the evening. * Min temperature.......28-33. * 24 hr trend.........6 degrees cooler. * Max humidity..........84-89 percent. * 24 hr trend.........9 percent drier. * Wind (20 ft) * Plains...............East winds 5 to 10 mph in the evening shifting to the southwest overnight. * Chance of lightning...2 percent. * CWR...................10 percent. .MONDAY... * Sky/weather...........Sunny. * Max temperature.......54-59. * 24 hr trend.........9 degrees warmer. * Min humidity..........42-47 percent. * 24 hr trend.........25 percent drier. * Wind (20 ft) * Plains...............Southwest winds 5 to 10 mph in the morning becoming light in the afternoon. * Chance of lightning...0 percent. * CWR...................Zero. .Forecast days 3 through 7...... .MONDAY NIGHT...Mostly clear. Lows 32 to 37. Southwest winds 5 to 10 mph. .TUESDAY...Mostly clear. Lows 36 to 41. Highs 62 to 67. South winds 5 to 10 mph. .WEDNESDAY...Clear. Lows 40 to 45. Highs 68 to 73. Southwest winds 5 to 10 mph. .THURSDAY...Mostly clear. Lows 38 to 43. Highs 66 to 71. Southwest winds 5 to 10 mph. .FRIDAY...Mostly clear. Lows 41 to 46. Highs 66 to 71. .SATURDAY...Mostly sunny. Scattered showers. Highs 68 to 73. $$ MTZ126-051015- Beartooth Ranger District Custer National Forest- 129 PM MDT Sat Oct 4 2025 .Tonight... * Sky/weather...........Cloudy with snow. * Min temperature.......35-41 at 5000 feet...27-37 at 7000 feet. * 24 hr trend.........7 degrees cooler. * Max humidity..........85-95 percent at 5000 feet...87-97 percent at 7000 feet. * 24 hr trend.........7 percent drier. * Wind (20 ft) * Slope/valley.........Northwest winds 10 to 20 mph. * Ridgetop.............North 15 to 25 mph. * Chance of lightning...5 percent. * CWR...................90 percent. .SUNDAY... * Sky/weather...........Cloudy with snow. * Max temperature.......41-46 at 5000 feet...31-41 at 7000 feet. * 24 hr trend.........12 degrees cooler. * Min humidity..........68-78 percent at 5000 feet...73-83 percent at 7000 feet. * 24 hr trend.........4 percent drier. * Wind (20 ft) * Slope/valley.........North winds 5 to 15 mph. * Ridgetop.............Northeast 5 to 15 mph. * Chance of lightning...7 percent. * CWR...................90 percent. .SUNDAY NIGHT... * Sky/weather...........Mostly cloudy. Scattered snow showers in the evening. * Min temperature.......29-37 at 5000 feet...21-31 at 7000 feet. * 24 hr trend.........5 degrees cooler. * Max humidity..........75-85 percent at 5000 feet...77-87 percent at 7000 feet. * 24 hr trend.........6 percent drier. * Wind (20 ft) * Slope/valley.........Northeast winds 5 to 10 mph in the evening shifting to the southwest overnight. * Ridgetop.............South 5 to 10 mph. * Chance of lightning...3 percent. * CWR...................20 percent. .MONDAY... * Sky/weather...........Sunny. * Max temperature.......46-56 at 5000 feet...39-49 at 7000 feet. * 24 hr trend.........9 degrees warmer. * Min humidity..........51-61 percent at 5000 feet...55-65 percent at 7000 feet. * 24 hr trend.........22 percent drier. * Wind (20 ft) * Slope/valley.........Southwest winds 5 to 10 mph in the morning shifting to the southeast in the afternoon. * Ridgetop.............West 5 to 10 mph. * Chance of lightning...1 percent. * CWR...................Zero. .Forecast days 3 through 7...... .MONDAY NIGHT...Mostly clear. Lows 33 to 39. Southwest winds 5 to 10 mph. .TUESDAY...Mostly clear. Lows 38 to 46. Highs 53 to 63. South winds 5 to 15 mph. .WEDNESDAY...Mostly clear. Lows 40 to 47. Highs 59 to 69. Southwest winds 5 to 15 mph. .THURSDAY...Mostly clear. Lows 39 to 45. Highs 59 to 67. Southwest winds 5 to 15 mph. .FRIDAY...Mostly clear. Isolated showers. Lows 43 to 49. Highs 58 to 67. .SATURDAY...Mostly sunny. Scattered showers. Highs 60 to 69. $$ MTZ127-051015- Golden Valley County/Musselshell county- 129 PM MDT Sat Oct 4 2025 .Tonight... * Sky/weather...........Cloudy with rain. * Min temperature.......40-45. * 24 hr trend.........6 degrees cooler. * Max humidity..........89-94 percent. * 24 hr trend.........8 percent wetter. * Wind (20 ft) * Plains...............North winds 5 to 15 mph. * Chance of lightning...7 percent. * CWR...................90 percent. .SUNDAY... * Sky/weather...........Mostly cloudy. Rain likely in the morning, then isolated rain showers in the afternoon. * Max temperature.......46-51. * 24 hr trend.........6 degrees cooler. * Min humidity..........61-66 percent. * 24 hr trend.........19 percent drier. * Wind (20 ft) * Plains...............North winds 5 to 15 mph. * Chance of lightning...1 percent. * CWR...................40 percent. .SUNDAY NIGHT... * Sky/weather...........Partly cloudy. * Min temperature.......33-38. * 24 hr trend.........7 degrees cooler. * Max humidity..........68-73 percent. * 24 hr trend.........21 percent drier. * Wind (20 ft) * Plains...............Northeast winds 5 to 10 mph. * Chance of lightning...1 percent. * CWR...................Zero. .MONDAY... * Sky/weather...........Sunny. * Max temperature.......54-59. * 24 hr trend.........8 degrees warmer. * Min humidity..........40-45 percent. * 24 hr trend.........21 percent drier. * Wind (20 ft) * Plains...............Southwest winds 5 to 10 mph. * Chance of lightning...0 percent. * CWR...................Zero. .Forecast days 3 through 7...... .MONDAY NIGHT...Mostly clear. Lows 38 to 43. Southwest winds 5 to 10 mph. .TUESDAY...Mostly clear. Lows 42 to 47. Highs 60 to 65. South winds 5 to 10 mph. .WEDNESDAY...Mostly clear. Lows 43 to 48. Highs 67 to 72. West winds 5 to 15 mph. .THURSDAY...Mostly clear. Lows 41 to 46. Highs 63 to 68. Northwest winds 5 to 10 mph. .FRIDAY...Mostly clear. Lows 46 to 51. Highs 63 to 68. .SATURDAY...Mostly sunny. Isolated showers. Highs 67 to 72. $$ MTZ128-051015- Yellowstone County- 129 PM MDT Sat Oct 4 2025 .Tonight... * Sky/weather...........Cloudy with rain. * Min temperature.......40-45. * 24 hr trend.........8 degrees cooler. * Max humidity..........91-96 percent. * 24 hr trend.........Unchanged. * Wind (20 ft) * Plains...............North winds 5 to 15 mph. * Chance of lightning...7 percent. * CWR...................90 percent. .SUNDAY... * Sky/weather...........Cloudy with rain in the morning, then partly sunny with rain likely in the afternoon. * Max temperature.......49-54. * 24 hr trend.........4 degrees cooler. * Min humidity..........63-68 percent. * 24 hr trend.........25 percent drier. * Wind (20 ft) * Plains...............North winds 5 to 15 mph. * Chance of lightning...5 percent. * CWR...................60 percent. .SUNDAY NIGHT... * Sky/weather...........Partly cloudy. Isolated rain showers in the evening. * Min temperature.......32-37. * 24 hr trend.........8 degrees cooler. * Max humidity..........88-93 percent. * 24 hr trend.........3 percent drier. * Wind (20 ft) * Plains...............East winds 5 to 10 mph. * Chance of lightning...2 percent. * CWR...................Zero. .MONDAY... * Sky/weather...........Sunny. * Max temperature.......56-61. * 24 hr trend.........7 degrees warmer. * Min humidity..........45-50 percent. * 24 hr trend.........18 percent drier. * Wind (20 ft) * Plains...............Southwest winds 5 to 10 mph. * Chance of lightning...0 percent. * CWR...................Zero. .Forecast days 3 through 7...... .MONDAY NIGHT...Mostly clear. Lows 35 to 40. Southwest winds 5 to 10 mph. .TUESDAY...Clear. Lows 40 to 45. Highs 64 to 69. Southwest winds 5 to 10 mph. .WEDNESDAY...Mostly clear. Lows 41 to 46. Highs 69 to 74. Southwest winds 5 to 15 mph. .THURSDAY...Mostly clear. Lows 39 to 44. Highs 67 to 72. Northwest winds 5 to 10 mph. .FRIDAY...Mostly clear. Lows 43 to 48. Highs 66 to 71. .SATURDAY...Mostly sunny. Isolated showers. Highs 70 to 75. $$ MTZ129-051015- Crow Indian Reservation/Bighorn Canyon Rec Area- 129 PM MDT Sat Oct 4 2025 .Tonight... * Sky/weather...........Cloudy with rain. * Min temperature.......32-40 at 5000 feet...29-35 at 7000 feet. * 24 hr trend.........7 degrees cooler. * Max humidity..........85-95 percent at 5000 feet...95-100 percent at 7000 feet. * 24 hr trend.........6 percent wetter. * Wind (20 ft) * Slope/valley.........Northwest winds 10 to 20 mph with gusts to around 30 mph. * Ridgetop.............Northeast 5 to 10 mph. * Chance of lightning...9 percent. * CWR...................100 percent. .SUNDAY... * Sky/weather...........Cloudy. Rain in the morning, then rain likely in the afternoon. * Max temperature.......38-48 at 5000 feet...32-37 at 7000 feet. * 24 hr trend.........9 degrees cooler. * Min humidity..........68-78 percent at 5000 feet...81-91 percent at 7000 feet. * 24 hr trend.........6 percent drier. * Wind (20 ft) * Slope/valley.........North winds 5 to 15 mph. * Ridgetop.............Northeast 10 to 20 mph. * Chance of lightning...7 percent. * CWR...................90 percent. .SUNDAY NIGHT... * Sky/weather...........Mostly cloudy. Scattered rain showers in the evening, then isolated rain showers and snow showers overnight. * Min temperature.......31-37 at 5000 feet...28-33 at 7000 feet. * 24 hr trend.........4 degrees cooler. * Max humidity..........76-81 percent. * 24 hr trend.........14 percent drier. * Wind (20 ft) * Slope/valley.........Northeast winds 5 to 10 mph in the evening shifting to the southeast overnight. * Ridgetop.............South 5 to 15 mph. * Chance of lightning...2 percent. * CWR...................10 percent. .MONDAY... * Sky/weather...........Mostly sunny. * Max temperature.......46-56 at 5000 feet...38-46 at 7000 feet. * 24 hr trend.........7 degrees warmer. * Min humidity..........49-59 percent at 5000 feet...56-66 percent at 7000 feet. * 24 hr trend.........18 percent drier. * Wind (20 ft) * Slope/valley.........South winds 5 to 10 mph in the morning shifting to the west in the afternoon. * Ridgetop.............Southwest 5 to 10 mph. * Chance of lightning...0 percent. * CWR...................Zero. .Forecast days 3 through 7...... .MONDAY NIGHT...Mostly clear. Lows 34 to 40. Southwest winds 5 to 10 mph. .TUESDAY...Clear. Lows 39 to 45. Highs 54 to 64. Southeast winds 5 to 10 mph. .WEDNESDAY...Mostly clear. Lows 42 to 47. Highs 59 to 69. Southwest winds 5 to 10 mph. .THURSDAY...Mostly clear. Lows 39 to 45. Highs 58 to 68. West winds 5 to 10 mph. .FRIDAY...Mostly clear. Lows 44 to 49. Highs 58 to 68. .SATURDAY...Mostly sunny. Highs 61 to 71. $$ MTZ130-051015- Northern Rosebud/Northern Treasure Counties- 129 PM MDT Sat Oct 4 2025 .Tonight... * Sky/weather...........Cloudy with rain. * Min temperature.......43-48. * 24 hr trend.........5 degrees cooler. * Max humidity..........88-93 percent. * 24 hr trend.........1 percent wetter. * Wind (20 ft) * Plains...............North winds 10 to 20 mph. * Chance of lightning...11 percent. * CWR...................100 percent. .SUNDAY... * Sky/weather...........Cloudy with rain likely in the morning, then partly sunny in the afternoon. * Max temperature.......52-57. * 24 hr trend.........5 degrees cooler. * Min humidity..........48-53 percent. * 24 hr trend.........19 percent drier. * Wind (20 ft) * Plains...............North winds 5 to 15 mph. * Chance of lightning...1 percent. * CWR...................10 percent. .SUNDAY NIGHT... * Sky/weather...........Partly cloudy. * Min temperature.......33-38. * 24 hr trend.........10 degrees cooler. * Max humidity..........74-79 percent. * 24 hr trend.........14 percent drier. * Wind (20 ft) * Plains...............North winds 5 to 10 mph in the evening shifting to the southwest overnight. * Chance of lightning...1 percent. * CWR...................Zero. .MONDAY... * Sky/weather...........Sunny. * Max temperature.......56-61. * 24 hr trend.........4 degrees warmer. * Min humidity..........40-45 percent. * 24 hr trend.........8 percent drier. * Wind (20 ft) * Plains...............Southwest winds 5 to 10 mph. * Chance of lightning...0 percent. * CWR...................Zero. .Forecast days 3 through 7...... .MONDAY NIGHT...Mostly clear. Lows 34 to 39. Southwest winds 5 to 10 mph. .TUESDAY...Clear. Lows 36 to 41. Highs 65 to 70. South winds 5 to 10 mph. .WEDNESDAY...Mostly clear. Lows 40 to 45. Highs 70 to 75. Southwest winds 5 to 10 mph. .THURSDAY...Mostly clear. Lows 39 to 44. Highs 66 to 71. Northwest winds 5 to 10 mph. .FRIDAY...Mostly clear. Lows 42 to 47. Highs 66 to 71. .SATURDAY...Sunny. Highs 71 to 76. $$ MTZ131-051015- Northern Cheyenne Indian Reservation/Ashland Ranger District Custer Natl Forest- 129 PM MDT Sat Oct 4 2025 .Tonight... * Sky/weather...........Cloudy with rain. * Min temperature.......38-43. * 24 hr trend.........10 degrees cooler. * Max humidity..........94-99 percent. * 24 hr trend.........22 percent wetter. * Wind (20 ft) * Slope/valley.........Northwest winds 10 to 20 mph with gusts to around 30 mph. * Ridgetop.............Northeast 5 to 10 mph. * Chance of lightning...9 percent. * CWR...................100 percent. .SUNDAY... * Sky/weather...........Cloudy. Rain in the morning, then scattered rain showers in the afternoon. * Max temperature.......49-54. * 24 hr trend.........11 degrees cooler. * Min humidity..........57-62 percent. * 24 hr trend.........1 percent drier. * Wind (20 ft) * Slope/valley.........North winds 5 to 15 mph. * Ridgetop.............North 15 to 25 mph. * Chance of lightning...6 percent. * CWR...................60 percent. .SUNDAY NIGHT... * Sky/weather...........Mostly cloudy. Isolated rain showers in the evening. * Min temperature.......31-36. * 24 hr trend.........7 degrees cooler. * Max humidity..........82-87 percent. * 24 hr trend.........12 percent drier. * Wind (20 ft) * Slope/valley.........Northeast winds 5 to 10 mph. * Ridgetop.............Southwest 5 to 10 mph. * Chance of lightning...1 percent. * CWR...................Less than 10 percent. .MONDAY... * Sky/weather...........Mostly sunny. * Max temperature.......55-60. * 24 hr trend.........6 degrees warmer. * Min humidity..........43-48 percent. * 24 hr trend.........14 percent drier. * Wind (20 ft) * Slope/valley.........Southwest winds 5 to 10 mph. * Ridgetop.............Southwest 5 to 10 mph. * Chance of lightning...0 percent. * CWR...................Zero. .Forecast days 3 through 7...... .MONDAY NIGHT...Clear. Lows 31 to 36. Southwest winds 5 to 10 mph. .TUESDAY...Clear. Lows 36 to 41. Highs 63 to 68. South winds 5 to 10 mph. .WEDNESDAY...Mostly clear. Lows 38 to 43. Highs 70 to 75. Southwest winds 5 to 10 mph. .THURSDAY...Mostly clear. Lows 37 to 42. Highs 67 to 72. Northwest winds 5 to 10 mph. .FRIDAY...Mostly clear. Lows 40 to 45. Highs 66 to 71. .SATURDAY...Sunny. Highs 72 to 77. $$ MTZ132-051015- Custer County- 129 PM MDT Sat Oct 4 2025 .Tonight... * Sky/weather...........Cloudy with rain. * Min temperature.......41-46. * 24 hr trend.........5 degrees cooler. * Max humidity..........100 percent. * 24 hr trend.........15 percent wetter. * Wind (20 ft) * Plains...............North winds 10 to 20 mph. * Chance of lightning...8 percent. * CWR...................90 percent. .SUNDAY... * Sky/weather...........Mostly cloudy. Scattered rain showers in the morning. * Max temperature.......51-56. * 24 hr trend.........10 degrees cooler. * Min humidity..........52-57 percent. * 24 hr trend.........6 percent drier. * Wind (20 ft) * Plains...............North winds 10 to 20 mph. * Chance of lightning...3 percent. * CWR...................30 percent. .SUNDAY NIGHT... * Sky/weather...........Partly cloudy. * Min temperature.......32-37. * 24 hr trend.........9 degrees cooler. * Max humidity..........78-83 percent. * 24 hr trend.........18 percent drier. * Wind (20 ft) * Plains...............West winds 5 to 10 mph. * Chance of lightning...1 percent. * CWR...................Zero. .MONDAY... * Sky/weather...........Sunny. * Max temperature.......54-59. * 24 hr trend.........3 degrees warmer. * Min humidity..........41-46 percent. * 24 hr trend.........11 percent drier. * Wind (20 ft) * Plains...............Southwest winds 5 to 15 mph. * Chance of lightning...0 percent. * CWR...................Zero. .Forecast days 3 through 7...... .MONDAY NIGHT...Mostly clear. Lows 35 to 40. Southwest winds 5 to 10 mph. .TUESDAY...Clear. Lows 42 to 47. Highs 62 to 67. South winds 5 to 15 mph. .WEDNESDAY...Clear. Lows 41 to 46. Highs 68 to 73. Southwest winds 5 to 15 mph. .THURSDAY...Mostly clear. Lows 39 to 44. Highs 65 to 70. Northwest winds 5 to 10 mph. .FRIDAY...Mostly clear. Lows 44 to 49. Highs 64 to 69. .SATURDAY...Sunny. Highs 70 to 75. $$ MTZ133-051015- Sioux Ranger District Custer National Forest- 129 PM MDT Sat Oct 4 2025 .Tonight... * Sky/weather...........Cloudy. Rain showers and isolated thunderstorms in the evening, then rain overnight. * Min temperature.......42-47. * 24 hr trend.........11 degrees cooler. * Max humidity..........100 percent. * 24 hr trend.........29 percent wetter. * Wind (20 ft) * Plains...............North winds 10 to 20 mph. Gusts up to 30 mph overnight. * Chance of lightning...24 percent. * CWR...................100 percent. .SUNDAY... * Sky/weather...........Mostly cloudy. Rain likely in the morning, then isolated rain showers in the afternoon. * Max temperature.......52-57. * 24 hr trend.........10 degrees cooler. * Min humidity..........65-70 percent. * 24 hr trend.........2 percent drier. * Wind (20 ft) * Plains...............North winds 15 to 25 mph. Gusts up to 30 mph in the morning. * Chance of lightning...4 percent. * CWR...................60 percent. .SUNDAY NIGHT... * Sky/weather...........Mostly cloudy. * Min temperature.......33-38. * 24 hr trend.........9 degrees cooler. * Max humidity..........87-92 percent. * 24 hr trend.........9 percent drier. * Wind (20 ft) * Plains...............Northwest winds 5 to 10 mph. * Chance of lightning...1 percent. * CWR...................Zero. .MONDAY... * Sky/weather...........Mostly sunny. * Max temperature.......54-59. * 24 hr trend.........2 degrees warmer. * Min humidity..........55-60 percent. * 24 hr trend.........10 percent drier. * Wind (20 ft) * Plains...............Southwest winds 5 to 15 mph. * Chance of lightning...1 percent. * CWR...................Zero. .Forecast days 3 through 7...... .MONDAY NIGHT...Mostly clear. Lows 33 to 38. Southwest winds 5 to 10 mph. .TUESDAY...Clear. Lows 39 to 44. Highs 62 to 67. South winds 5 to 15 mph. .WEDNESDAY...Clear. Lows 42 to 47. Highs 70 to 75. South winds 5 to 15 mph. .THURSDAY...Mostly clear. Lows 39 to 44. Highs 67 to 72. Northwest winds 5 to 15 mph. .FRIDAY...Mostly clear. Lows 42 to 47. Highs 65 to 70. .SATURDAY...Sunny. Highs 70 to 75. $$ WYZ274-051015- Sheridan County- 129 PM MDT Sat Oct 4 2025 .Tonight... * Sky/weather...........Cloudy with rain. * Min temperature.......33-38. * 24 hr trend.........15 degrees cooler. * Max humidity..........100 percent. * 24 hr trend.........26 percent wetter. * Wind (20 ft) * Slope/valley.........Northwest winds 10 to 20 mph with gusts to around 30 mph. * Ridgetop.............Northeast 5 to 10 mph. * Chance of lightning...9 percent. * CWR...................100 percent. .SUNDAY... * Sky/weather...........Cloudy. Rain in the morning, then rain likely in the afternoon. * Max temperature.......46-51. * 24 hr trend.........12 degrees cooler. * Min humidity..........75-80 percent. * 24 hr trend.........9 percent wetter. * Wind (20 ft) * Slope/valley.........Northwest winds 5 to 15 mph. * Ridgetop.............North 10 to 20 mph. * Chance of lightning...7 percent. * CWR...................90 percent. .SUNDAY NIGHT... * Sky/weather...........Mostly cloudy. Scattered rain showers in the evening, then scattered rain showers and snow showers overnight. * Min temperature.......27-32. * 24 hr trend.........6 degrees cooler. * Max humidity..........100 percent. * 24 hr trend.........Unchanged. * Wind (20 ft) * Slope/valley.........West winds 5 to 10 mph in the evening becoming light overnight. * Ridgetop.............South 5 to 10 mph. * Chance of lightning...3 percent. * CWR...................30 percent. .MONDAY... * Sky/weather...........Mostly sunny. * Max temperature.......54-59. * 24 hr trend.........8 degrees warmer. * Min humidity..........49-54 percent. * 24 hr trend.........26 percent drier. * Wind (20 ft) * Slope/valley.........Light winds. * Ridgetop.............West 5 to 10 mph. * Chance of lightning...2 percent. * CWR...................Zero. .Forecast days 3 through 7...... .MONDAY NIGHT...Mostly clear. Lows 26 to 31. West winds 5 to 10 mph. .TUESDAY...Clear. Lows 31 to 36. Highs 63 to 68. South winds 5 to 10 mph. .WEDNESDAY...Clear. Lows 35 to 40. Highs 70 to 75. Southwest winds 5 to 10 mph. .THURSDAY...Mostly clear. Lows 33 to 38. Highs 67 to 72. West winds 5 to 10 mph. .FRIDAY...Mostly clear. Lows 37 to 42. Highs 66 to 71. .SATURDAY...Sunny. Isolated showers. Highs 72 to 77. $$ WYZ284-051015- Bighorn National Forest- 129 PM MDT Sat Oct 4 2025 .Tonight... * Sky/weather...........Cloudy. Snow and rain in the evening, then snow overnight. * Min temperature.......22-27. * 24 hr trend.........14 degrees cooler. * Max humidity..........100 percent. * 24 hr trend.........Unchanged. * Wind (20 ft) * At Burgess Jct.......Northwest winds 10 to 20 mph. Gusts up to 30 mph in the evening. * Chance of lightning...10 percent. * CWR...................100 percent. .SUNDAY... * Sky/weather...........Cloudy with snow. * Max temperature.......30-35. * 24 hr trend.........13 degrees cooler. * Min humidity..........81-86 percent. * 24 hr trend.........1 percent drier. * Wind (20 ft) * At Burgess Jct.......North winds 5 to 15 mph. * Chance of lightning...7 percent. * CWR...................90 percent. .SUNDAY NIGHT... * Sky/weather...........Mostly cloudy. Snow likely in the evening, then scattered snow showers overnight. * Min temperature.......18-23. * 24 hr trend.........4 degrees cooler. * Max humidity..........100 percent. * 24 hr trend.........Unchanged. * Wind (20 ft) * At Burgess Jct.......Northeast winds 5 to 10 mph in the evening shifting to the south overnight. * Chance of lightning...4 percent. * CWR...................40 percent. .MONDAY... * Sky/weather...........Mostly sunny. Isolated snow showers in the morning. * Max temperature.......38-43. * 24 hr trend.........8 degrees warmer. * Min humidity..........63-68 percent. * 24 hr trend.........18 percent drier. * Wind (20 ft) * At Burgess Jct.......West winds 5 to 10 mph. * Chance of lightning...1 percent. * CWR...................Zero. .Forecast days 3 through 7...... .MONDAY NIGHT...Mostly clear. Lows 17 to 22. Southwest winds 5 to 10 mph. .TUESDAY...Mostly clear. Lows 25 to 30. Highs 45 to 50. South winds 5 to 15 mph. .WEDNESDAY...Mostly clear. Lows 29 to 34. Highs 51 to 56. Southwest winds 5 to 15 mph. .THURSDAY...Mostly clear. Lows 27 to 32. Highs 51 to 56. West winds 5 to 15 mph. .FRIDAY...Mostly clear. Lows 31 to 36. Highs 51 to 56. .SATURDAY...Mostly sunny. Isolated showers. Highs 53 to 58. $$ weather.gov/billings