Routine Fire Wx Fcst (With/Without 6-10 Day Outlook)
Issued by NWS Billings, MT
Issued by NWS Billings, MT
399 FNUS55 KBYZ 300912 FWFBYZ Fire Weather Planning Forecast for SCen and SErn Montana National Weather Service Billings MT 312 AM MDT Tue Sep 30 2025 .DISCUSSION... Temperatures will remain 10-20 degrees above average and minRH in the low 20s to low 30s percent through Thursday. This afternoon into Wednesday morning, there is a 20-40% chance of any precip for most locations, and a 20% or less chance of wetting rain outside of the Absaroka/Beartooth mountains. By late Thursday, a pattern change to cooler and wetter conditions is expected. Archer MTZ123-302215- Gallatin National Forest- 312 AM MDT Tue Sep 30 2025 .Today... * Sky/weather...........Mostly cloudy. Isolated rain showers in the afternoon. * Max temperature.......67-74 at 5000 feet...54-64 at 7000 feet. * 24 hr trend.........8 degrees cooler. * Min humidity..........39-49 percent at 5000 feet...45-55 percent at 7000 feet. * 24 hr trend.........5 percent wetter. * Wind (20 ft) * Slope/valley.........South winds 5 to 15 mph. * Ridgetop.............Southwest 20 to 35 mph. * Chance of lightning...10 percent. * CWR...................Less than 10 percent. .TONIGHT... * Sky/weather...........Partly cloudy with isolated rain showers. * Min temperature.......42-52 at 5000 feet...38-48 at 7000 feet. * 24 hr trend.........6 degrees cooler. * Max humidity..........71-81 percent at 5000 feet...73-83 percent at 7000 feet. * 24 hr trend.........8 percent wetter. * Wind (20 ft) * Slope/valley.........South winds 5 to 15 mph. * Ridgetop.............Southwest 15 to 25 mph. * Chance of lightning...11 percent. * CWR...................Less than 10 percent. .WEDNESDAY... * Sky/weather...........Mostly sunny with isolated rain showers. * Max temperature.......65-72 at 5000 feet...52-62 at 7000 feet. * 24 hr trend.........1 degree cooler. * Min humidity..........35-45 percent at 5000 feet...39-49 percent at 7000 feet. * 24 hr trend.........3 percent drier. * Wind (20 ft) * Slope/valley.........Southwest winds 5 to 15 mph. * Ridgetop.............Southwest 15 to 30 mph. * Chance of lightning...11 percent. * CWR...................Less than 10 percent. .Forecast days 3 through 7...... .WEDNESDAY NIGHT...Partly cloudy. Scattered showers. Lows 42 to 52. South winds 5 to 15 mph. .THURSDAY...Mostly cloudy. Numerous showers. Lows 40 to 50. Highs 63 to 70. Southwest winds 5 to 10 mph. .FRIDAY...Mostly cloudy. Scattered showers. Lows 34 to 44. Highs 53 to 63. West winds 5 to 10 mph. .SATURDAY...Mostly cloudy. Scattered showers and snow showers. Lows 29 to 39. Highs 53 to 61. West winds 5 to 10 mph. .SUNDAY...Colder. Mostly cloudy. Scattered snow showers. Lows 23 to 33. Highs 43 to 53. .MONDAY...Mostly sunny. Scattered snow showers and isolated showers. Highs 48 to 58. $$ MTZ124-302215- Wheatland County/Sweet Grass County- 312 AM MDT Tue Sep 30 2025 .Today... * Sky/weather...........Mostly sunny. Isolated rain showers in the afternoon. * Max temperature.......75-80. * 24 hr trend.........4 degrees cooler. * Min humidity..........29-34 percent. * 24 hr trend.........7 percent wetter. * Wind (20 ft) * Plains...............West winds 5 to 15 mph. * Chance of lightning...5 percent. * CWR...................Zero. .TONIGHT... * Sky/weather...........Partly cloudy. Isolated rain showers in the evening. * Min temperature.......44-49. * 24 hr trend.........3 degrees cooler. * Max humidity..........74-79 percent. * 24 hr trend.........2 percent wetter. * Wind (20 ft) * Plains...............West winds 10 to 20 mph. * Chance of lightning...9 percent. * CWR...................Less than 10 percent. .WEDNESDAY... * Sky/weather...........Sunny. * Max temperature.......71-76. * 24 hr trend.........4 degrees cooler. * Min humidity..........23-28 percent. * 24 hr trend.........6 percent drier. * Wind (20 ft) * Plains...............West winds 10 to 20 mph. * Chance of lightning...0 percent. * CWR...................Zero. .Forecast days 3 through 7...... .WEDNESDAY NIGHT...Partly cloudy. Lows 42 to 47. Southwest winds 5 to 15 mph. .THURSDAY...Mostly cloudy. Numerous showers. Lows 42 to 47. Highs 68 to 73. West winds 5 to 15 mph. .FRIDAY...Mostly cloudy. Scattered showers. Lows 36 to 41. Highs 59 to 64. West winds 5 to 15 mph. .SATURDAY...Mostly cloudy. Scattered showers. Lows 31 to 36. Highs 59 to 64. Northwest winds 10 to 20 mph. .SUNDAY...Cooler. Mostly cloudy. Scattered showers. Lows 26 to 31. Highs 48 to 53. .MONDAY...Mostly sunny. Isolated showers and snow showers. Highs 51 to 56. $$ MTZ125-302215- Stillwater County- 312 AM MDT Tue Sep 30 2025 .Today... * Sky/weather...........Partly sunny. Isolated rain showers in the afternoon. * Max temperature.......77-82. * 24 hr trend.........Unchanged. * Min humidity..........28-33 percent. * 24 hr trend.........1 percent wetter. * Wind (20 ft) * Plains...............Northwest winds 5 to 10 mph. * Chance of lightning...12 percent. * CWR...................Less than 10 percent. .TONIGHT... * Sky/weather...........Mostly cloudy. Isolated rain showers in the evening. * Min temperature.......49-54. * 24 hr trend.........3 degrees cooler. * Max humidity..........64-69 percent. * 24 hr trend.........1 percent wetter. * Wind (20 ft) * Plains...............West winds 5 to 10 mph. * Chance of lightning...12 percent. * CWR...................10 percent. .WEDNESDAY... * Sky/weather...........Mostly sunny. * Max temperature.......74-79. * 24 hr trend.........3 degrees cooler. * Min humidity..........25-30 percent. * 24 hr trend.........3 percent drier. * Wind (20 ft) * Plains...............Southwest winds 5 to 10 mph. * Chance of lightning...5 percent. * CWR...................Zero. .Forecast days 3 through 7...... .WEDNESDAY NIGHT...Partly cloudy. Lows 47 to 52. Southwest winds 5 to 15 mph. .THURSDAY...Mostly cloudy. Numerous showers. Lows 45 to 50. Highs 71 to 76. Northwest winds 5 to 10 mph. .FRIDAY...Cooler. Mostly cloudy. Numerous showers. Lows 41 to 46. Highs 61 to 66. Northwest winds 5 to 10 mph. .SATURDAY...Mostly cloudy. Scattered showers. Lows 34 to 39. Highs 60 to 65. Northwest winds 5 to 10 mph. .SUNDAY...Cooler. Mostly cloudy. Scattered showers. Lows 29 to 34. Highs 48 to 53. .MONDAY...Partly sunny. Scattered showers. Highs 51 to 56. $$ MTZ126-302215- Beartooth Ranger District Custer National Forest- 312 AM MDT Tue Sep 30 2025 .Today... * Sky/weather...........Mostly cloudy. Scattered rain showers in the afternoon. * Max temperature.......71-79 at 5000 feet...62-72 at 7000 feet. * 24 hr trend.........Unchanged. * Min humidity..........28-38 percent at 5000 feet...39-49 percent at 7000 feet. * 24 hr trend.........5 percent wetter. * Wind (20 ft) * Slope/valley.........Southwest winds 5 to 15 mph. * Ridgetop.............Southwest 10 to 20 mph. * Chance of lightning...14 percent. * CWR...................10 percent. .TONIGHT... * Sky/weather...........Mostly cloudy. Scattered rain showers in the evening, then isolated rain showers overnight. * Min temperature.......49-54 at 5000 feet...41-51 at 7000 feet. * 24 hr trend.........6 degrees cooler. * Max humidity..........55-65 percent at 5000 feet...60-70 percent at 7000 feet. * 24 hr trend.........2 percent wetter. * Wind (20 ft) * Slope/valley.........Southwest winds 10 to 20 mph. * Ridgetop.............West 5 to 15 mph. * Chance of lightning...13 percent. * CWR...................20 percent. .WEDNESDAY... * Sky/weather...........Mostly sunny. Isolated rain showers in the morning. * Max temperature.......66-75 at 5000 feet...57-67 at 7000 feet. * 24 hr trend.........5 degrees cooler. * Min humidity..........26-36 percent at 5000 feet...38-48 percent at 7000 feet. * 24 hr trend.........2 percent drier. * Wind (20 ft) * Slope/valley.........Southwest winds 5 to 15 mph. * Ridgetop.............West 10 to 20 mph. * Chance of lightning...6 percent. * CWR...................Zero. .Forecast days 3 through 7...... .WEDNESDAY NIGHT...Partly cloudy. Lows 48 to 55. Southwest winds 5 to 15 mph. .THURSDAY...Mostly cloudy. Numerous showers. Lows 46 to 52. Highs 68 to 76. West winds 5 to 15 mph. .FRIDAY...Mostly cloudy. Numerous showers. Lows 42 to 50. Highs 57 to 65. Northwest winds 5 to 15 mph. .SATURDAY...Mostly cloudy. Scattered showers and snow showers. Lows 35 to 40. Highs 53 to 61. Northwest winds 5 to 15 mph. .SUNDAY...Colder. Mostly cloudy. Numerous snow showers. Lows 30 to 36. Highs 42 to 49. .MONDAY...Partly sunny. Scattered snow showers. Highs 44 to 52. $$ MTZ127-302215- Golden Valley County/Musselshell county- 312 AM MDT Tue Sep 30 2025 .Today... * Sky/weather...........Mostly sunny. Isolated rain showers in the afternoon. * Max temperature.......79-84. * 24 hr trend.........1 degree warmer. * Min humidity..........28-33 percent. * 24 hr trend.........1 percent wetter. * Wind (20 ft) * Plains...............Southwest winds 5 to 15 mph. * Chance of lightning...7 percent. * CWR...................Zero. .TONIGHT... * Sky/weather...........Mostly cloudy. Isolated rain showers in the evening. * Min temperature.......53-58. * 24 hr trend.........4 degrees cooler. * Max humidity..........60-65 percent. * 24 hr trend.........8 percent wetter. * Wind (20 ft) * Plains...............West winds 5 to 10 mph. * Chance of lightning...13 percent. * CWR...................20 percent. .WEDNESDAY... * Sky/weather...........Sunny. * Max temperature.......73-78. * 24 hr trend.........6 degrees cooler. * Min humidity..........27-32 percent. * 24 hr trend.........1 percent drier. * Wind (20 ft) * Plains...............West winds 5 to 15 mph. * Chance of lightning...1 percent. * CWR...................Zero. .Forecast days 3 through 7...... .WEDNESDAY NIGHT...Partly cloudy. Lows 52 to 57. Southwest winds 5 to 10 mph. .THURSDAY...Mostly cloudy. Scattered showers. Lows 51 to 56. Highs 69 to 74. Northwest winds 5 to 10 mph. .FRIDAY...Mostly cloudy. Scattered showers. Lows 46 to 51. Highs 61 to 66. North winds 5 to 10 mph. .SATURDAY...Mostly cloudy. Scattered showers. Lows 40 to 45. Highs 59 to 64. Northwest winds 5 to 15 mph. .SUNDAY...Cooler. Mostly cloudy. Scattered showers. Lows 34 to 39. Highs 49 to 54. .MONDAY...Mostly sunny. Isolated showers. Highs 51 to 56. $$ MTZ128-302215- Yellowstone County- 312 AM MDT Tue Sep 30 2025 .Today... * Sky/weather...........Partly sunny in the morning, then sunny with isolated rain showers in the afternoon. * Max temperature.......82-87. * 24 hr trend.........2 degrees warmer. * Min humidity..........29-34 percent. * 24 hr trend.........1 percent wetter. * Wind (20 ft) * Plains...............Southwest winds 5 to 15 mph. * Chance of lightning...10 percent. * CWR...................Less than 10 percent. .TONIGHT... * Sky/weather...........Mostly cloudy. Scattered rain showers in the evening. * Min temperature.......52-57. * 24 hr trend.........2 degrees cooler. * Max humidity..........68-73 percent. * 24 hr trend.........5 percent wetter. * Wind (20 ft) * Plains...............West winds 5 to 15 mph. * Chance of lightning...14 percent. * CWR...................20 percent. .WEDNESDAY... * Sky/weather...........Sunny. * Max temperature.......75-80. * 24 hr trend.........7 degrees cooler. * Min humidity..........28-33 percent. * 24 hr trend.........1 percent drier. * Wind (20 ft) * Plains...............Southwest winds 5 to 15 mph. * Chance of lightning...0 percent. * CWR...................Zero. .Forecast days 3 through 7...... .WEDNESDAY NIGHT...Partly cloudy. Lows 51 to 56. Southwest winds 5 to 10 mph. .THURSDAY...Mostly cloudy. Scattered showers. Lows 50 to 55. Highs 73 to 78. Northwest winds 5 to 10 mph. .FRIDAY...Cooler. Mostly cloudy. Scattered showers. Lows 45 to 50. Highs 63 to 68. North winds 5 to 10 mph. .SATURDAY...Mostly cloudy. Scattered showers. Lows 38 to 43. Highs 61 to 66. Northwest winds 5 to 15 mph. .SUNDAY...Cooler. Mostly cloudy. Scattered showers. Lows 34 to 39. Highs 50 to 55. .MONDAY...Mostly sunny. Isolated showers. Highs 53 to 58. $$ MTZ129-302215- Crow Indian Reservation/Bighorn Canyon Rec Area- 312 AM MDT Tue Sep 30 2025 .Today... * Sky/weather...........Mostly sunny. Scattered rain showers in the afternoon. * Max temperature.......71-81 at 5000 feet...64-71 at 7000 feet. * 24 hr trend.........2 degrees cooler. * Min humidity..........25-35 percent at 5000 feet...33-41 percent at 7000 feet. * 24 hr trend.........6 percent wetter. * Wind (20 ft) * Slope/valley.........West winds 5 to 10 mph. * Ridgetop.............Southwest 5 to 15 mph. * Chance of lightning...12 percent. * CWR...................Less than 10 percent. .TONIGHT... * Sky/weather...........Mostly cloudy. Scattered rain showers and isolated thunderstorms in the evening. * Min temperature.......49-55 at 5000 feet...46-52 at 7000 feet. * 24 hr trend.........5 degrees cooler. * Max humidity..........65-70 percent. * 24 hr trend.........19 percent wetter. * Wind (20 ft) * Slope/valley.........West winds 5 to 10 mph. * Ridgetop.............Southwest 10 to 20 mph. * Chance of lightning...18 percent. * CWR...................20 percent. .WEDNESDAY... * Sky/weather...........Sunny. * Max temperature.......66-76 at 5000 feet...58-66 at 7000 feet. * 24 hr trend.........7 degrees cooler. * Min humidity..........24-34 percent at 5000 feet...33-43 percent at 7000 feet. * 24 hr trend.........3 percent wetter. * Wind (20 ft) * Slope/valley.........West winds 5 to 15 mph. * Ridgetop.............West 10 to 20 mph. * Chance of lightning...0 percent. * CWR...................Zero. .Forecast days 3 through 7...... .WEDNESDAY NIGHT...Mostly clear. Lows 50 to 56. South winds 5 to 10 mph. .THURSDAY...Partly cloudy. Scattered showers. Lows 47 to 52. Highs 66 to 76. Northwest winds 5 to 10 mph. .FRIDAY...Cooler. Mostly cloudy. Scattered showers. Lows 43 to 49. Highs 56 to 66. Northwest winds 5 to 15 mph. .SATURDAY...Mostly cloudy. Scattered showers. Lows 35 to 40. Highs 52 to 62. Northwest winds 5 to 15 mph. .SUNDAY...Cooler. Mostly cloudy. Scattered showers. Lows 32 to 37. Highs 41 to 51. .MONDAY...Partly sunny. Isolated showers. Highs 44 to 54. $$ MTZ130-302215- Northern Rosebud/Northern Treasure Counties- 312 AM MDT Tue Sep 30 2025 .Today... * Sky/weather...........Mostly sunny. Isolated rain showers in the afternoon. * Max temperature.......84-89. * 24 hr trend.........2 degrees warmer. * Min humidity..........21-26 percent. * 24 hr trend.........5 percent drier. * Wind (20 ft) * Plains...............Southwest winds 5 to 10 mph. * Chance of lightning...3 percent. * CWR...................Zero. .TONIGHT... * Sky/weather...........Mostly cloudy. Scattered rain showers and isolated thunderstorms in the evening, then isolated rain showers overnight. * Min temperature.......53-58. * 24 hr trend.........1 degree warmer. * Max humidity..........73-78 percent. * 24 hr trend.........4 percent wetter. * Wind (20 ft) * Plains...............West winds 5 to 10 mph. * Chance of lightning...16 percent. * CWR...................10 percent. .WEDNESDAY... * Sky/weather...........Sunny. * Max temperature.......78-83. * 24 hr trend.........6 degrees cooler. * Min humidity..........22-27 percent. * 24 hr trend.........1 percent wetter. * Wind (20 ft) * Plains...............West winds 5 to 15 mph. * Chance of lightning...0 percent. * CWR...................Zero. .Forecast days 3 through 7...... .WEDNESDAY NIGHT...Mostly clear. Lows 51 to 56. Southwest winds 5 to 10 mph. .THURSDAY...Partly cloudy. Scattered showers. Lows 50 to 55. Highs 76 to 81. Northwest winds 5 to 10 mph. .FRIDAY...Mostly cloudy. Scattered showers. Lows 46 to 51. Highs 67 to 72. Northeast winds 5 to 10 mph. .SATURDAY...Mostly cloudy. Scattered showers. Lows 40 to 45. Highs 64 to 69. Northwest winds 5 to 15 mph. .SUNDAY...Cooler. Mostly cloudy. Isolated showers. Lows 34 to 39. Highs 54 to 59. .MONDAY...Mostly sunny. Isolated showers. Highs 55 to 60. $$ MTZ131-302215- Northern Cheyenne Indian Reservation/Ashland Ranger District Custer Natl Forest- 312 AM MDT Tue Sep 30 2025 .Today... * Sky/weather...........Mostly sunny. * Max temperature.......82-87. * 24 hr trend.........4 degrees cooler. * Min humidity..........22-27 percent. * 24 hr trend.........4 percent wetter. * Wind (20 ft) * Slope/valley.........Southwest winds 5 to 10 mph in the morning shifting to the northwest in the afternoon. * Ridgetop.............Southwest 5 to 15 mph. * Chance of lightning...7 percent. * CWR...................Zero. .TONIGHT... * Sky/weather...........Mostly cloudy. Isolated showers and thunderstorms in the evening, then isolated rain showers overnight. * Min temperature.......51-56. * 24 hr trend.........Unchanged. * Max humidity..........70-75 percent. * 24 hr trend.........12 percent wetter. * Wind (20 ft) * Slope/valley.........Northwest winds 5 to 10 mph. * Ridgetop.............Southwest 5 to 15 mph. * Chance of lightning...18 percent. * CWR...................10 percent. .WEDNESDAY... * Sky/weather...........Sunny. * Max temperature.......76-81. * 24 hr trend.........6 degrees cooler. * Min humidity..........25-30 percent. * 24 hr trend.........3 percent wetter. * Wind (20 ft) * Slope/valley.........West winds 5 to 10 mph. * Ridgetop.............West 10 to 20 mph. * Chance of lightning...1 percent. * CWR...................Zero. .Forecast days 3 through 7...... .WEDNESDAY NIGHT...Mostly clear. Lows 46 to 51. South winds 5 to 10 mph. .THURSDAY...Mostly clear. Isolated showers. Lows 46 to 51. Highs 78 to 83. North winds 5 to 10 mph. .FRIDAY...Not as warm. Mostly cloudy. Isolated showers. Lows 43 to 48. Highs 68 to 73. North winds 5 to 10 mph. .SATURDAY...Mostly cloudy. Scattered showers. Lows 36 to 41. Highs 62 to 67. Northwest winds 5 to 15 mph. .SUNDAY...Cooler. Mostly cloudy. Scattered showers. Lows 32 to 37. Highs 50 to 55. .MONDAY...Partly sunny. Isolated showers. Highs 53 to 58. $$ MTZ132-302215- Custer County- 312 AM MDT Tue Sep 30 2025 .Today... * Sky/weather...........Sunny. * Max temperature.......82-87. * 24 hr trend.........2 degrees cooler. * Min humidity..........24-29 percent. * 24 hr trend.........4 percent drier. * Wind (20 ft) * Plains...............South winds 5 to 15 mph. * Chance of lightning...3 percent. * CWR...................Zero. .TONIGHT... * Sky/weather...........Partly cloudy. Isolated showers and thunderstorms overnight. * Min temperature.......55-60. * 24 hr trend.........2 degrees cooler. * Max humidity..........70-75 percent. * 24 hr trend.........9 percent wetter. * Wind (20 ft) * Plains...............West winds 5 to 10 mph. * Chance of lightning...19 percent. * CWR...................10 percent. .WEDNESDAY... * Sky/weather...........Sunny. * Max temperature.......75-80. * 24 hr trend.........7 degrees cooler. * Min humidity..........28-33 percent. * 24 hr trend.........4 percent wetter. * Wind (20 ft) * Plains...............West winds 5 to 15 mph. * Chance of lightning...3 percent. * CWR...................Zero. .Forecast days 3 through 7...... .WEDNESDAY NIGHT...Mostly clear. Lows 53 to 58. South winds 5 to 10 mph. .THURSDAY...Mostly clear. Isolated showers. Lows 50 to 55. Highs 77 to 82. Northwest winds 5 to 10 mph. .FRIDAY...Cooler. Mostly cloudy. Isolated showers. Lows 46 to 51. Highs 67 to 72. Northeast winds 5 to 15 mph. .SATURDAY...Mostly cloudy. Scattered showers. Lows 40 to 45. Highs 62 to 67. Northwest winds 5 to 15 mph. .SUNDAY...Mostly cloudy. Isolated showers. Lows 33 to 38. Highs 53 to 58. .MONDAY...Mostly sunny. Highs 53 to 58. $$ MTZ133-302215- Sioux Ranger District Custer National Forest- 312 AM MDT Tue Sep 30 2025 .Today... * Sky/weather...........Sunny. * Max temperature.......84-89. * 24 hr trend.........6 degrees warmer. * Min humidity..........24-29 percent. * 24 hr trend.........19 percent drier. * Wind (20 ft) * Plains...............South winds 10 to 20 mph. * Chance of lightning...3 percent. * CWR...................Zero. .TONIGHT... * Sky/weather...........Partly cloudy. * Min temperature.......54-59. * 24 hr trend.........Unchanged. * Max humidity..........69-74 percent. * 24 hr trend.........5 percent drier. * Wind (20 ft) * Plains...............Southwest winds 5 to 15 mph. * Chance of lightning...5 percent. * CWR...................Zero. .WEDNESDAY... * Sky/weather...........Sunny. * Max temperature.......77-82. * 24 hr trend.........7 degrees cooler. * Min humidity..........34-39 percent. * 24 hr trend.........10 percent wetter. * Wind (20 ft) * Plains...............Northwest winds 5 to 15 mph. * Chance of lightning...3 percent. * CWR...................Zero. .Forecast days 3 through 7...... .WEDNESDAY NIGHT...Mostly clear. Lows 51 to 56. Southeast winds 5 to 10 mph. .THURSDAY...Mostly clear. Isolated showers. Lows 50 to 55. Highs 81 to 86. Northwest winds 5 to 15 mph. .FRIDAY...Mostly cloudy. Scattered showers. Lows 46 to 51. Highs 73 to 78. Northeast winds 5 to 15 mph. .SATURDAY...Mostly cloudy. Scattered showers and isolated thunderstorms. Lows 41 to 46. Highs 66 to 71. Northwest winds 5 to 15 mph. .SUNDAY...Cooler. Mostly cloudy. Scattered showers. Lows 34 to 39. Highs 55 to 60. .MONDAY...Partly sunny. Isolated showers. Highs 54 to 59. $$ WYZ274-302215- Sheridan County- 312 AM MDT Tue Sep 30 2025 .Today... * Sky/weather...........Mostly sunny. Isolated rain showers in the afternoon. * Max temperature.......81-86. * 24 hr trend.........3 degrees warmer. * Min humidity..........25-30 percent. * 24 hr trend.........4 percent wetter. * Wind (20 ft) * Slope/valley.........Southeast winds 5 to 10 mph. * Ridgetop.............Southwest 5 to 10 mph. * Chance of lightning...10 percent. * CWR...................Less than 10 percent. .TONIGHT... * Sky/weather...........Partly cloudy. Scattered rain showers and isolated thunderstorms in the evening. * Min temperature.......45-50. * 24 hr trend.........2 degrees cooler. * Max humidity..........83-88 percent. * 24 hr trend.........10 percent wetter. * Wind (20 ft) * Slope/valley.........West winds 5 to 10 mph. * Ridgetop.............Southwest 5 to 15 mph. * Chance of lightning...18 percent. * CWR...................Less than 10 percent. .WEDNESDAY... * Sky/weather...........Sunny. * Max temperature.......75-80. * 24 hr trend.........6 degrees cooler. * Min humidity..........25-30 percent. * 24 hr trend.........Unchanged. * Wind (20 ft) * Slope/valley.........Southwest winds 5 to 10 mph in the morning shifting to the northwest in the afternoon. * Ridgetop.............West 5 to 15 mph. * Chance of lightning...1 percent. * CWR...................Zero. .Forecast days 3 through 7...... .WEDNESDAY NIGHT...Mostly clear. Lows 43 to 48. Southwest winds 5 to 10 mph. .THURSDAY...Partly cloudy. Scattered showers. Lows 42 to 47. Highs 78 to 83. Northwest winds 5 to 10 mph. .FRIDAY...Not as warm. Mostly cloudy. Scattered showers. Lows 38 to 43. Highs 68 to 73. Northwest winds 5 to 10 mph. .SATURDAY...Mostly cloudy. Scattered showers. Lows 31 to 36. Highs 61 to 66. Northwest winds 5 to 10 mph. .SUNDAY...Cooler. Mostly cloudy. Scattered showers. Lows 27 to 32. Highs 49 to 54. .MONDAY...Partly sunny. Scattered showers and snow showers. Highs 52 to 57. $$ WYZ284-302215- Bighorn National Forest- 312 AM MDT Tue Sep 30 2025 .Today... * Sky/weather...........Mostly sunny. Scattered rain showers in the afternoon. * Max temperature.......62-67. * 24 hr trend.........1 degree warmer. * Min humidity..........33-38 percent. * 24 hr trend.........2 percent drier. * Wind (20 ft) * At Burgess Jct.......Southwest winds 10 to 20 mph. * Chance of lightning...11 percent. * CWR...................Less than 10 percent. .TONIGHT... * Sky/weather...........Partly cloudy. Scattered rain showers and isolated thunderstorms in the evening. * Min temperature.......36-41. * 24 hr trend.........5 degrees cooler. * Max humidity..........83-88 percent. * 24 hr trend.........8 percent wetter. * Wind (20 ft) * At Burgess Jct.......Southwest winds 5 to 15 mph. * Chance of lightning...17 percent. * CWR...................20 percent. .WEDNESDAY... * Sky/weather...........Sunny. * Max temperature.......57-62. * 24 hr trend.........5 degrees cooler. * Min humidity..........33-38 percent. * 24 hr trend.........Unchanged. * Wind (20 ft) * At Burgess Jct.......Southwest winds 10 to 20 mph. * Chance of lightning...2 percent. * CWR...................Zero. .Forecast days 3 through 7...... .WEDNESDAY NIGHT...Mostly clear. Lows 38 to 43. Southwest winds 5 to 15 mph. .THURSDAY...Partly cloudy. Scattered showers. Lows 35 to 40. Highs 60 to 65. South winds 5 to 15 mph. .FRIDAY...Mostly cloudy. Scattered showers. Lows 32 to 37. Highs 53 to 58. Southwest winds 5 to 15 mph. .SATURDAY...Mostly cloudy. Scattered showers and snow showers. Lows 23 to 28. Highs 46 to 51. Northwest winds 5 to 15 mph. .SUNDAY...Colder. Mostly cloudy. Scattered snow showers. Lows 19 to 24. Highs 33 to 38. .MONDAY...Partly sunny. Scattered snow showers. Highs 36 to 41. $$ weather.gov/billings