Routine Fire Wx Fcst (With/Without 6-10 Day Outlook)
Issued by NWS Billings, MT
Issued by NWS Billings, MT
963 FNUS55 KBYZ 291959 FWFBYZ Fire Weather Planning Forecast for SCen and SErn Montana National Weather Service Billings MT 159 PM MDT Mon Sep 29 2025 .DISCUSSION... Temperatures will remain much above average with mainly dry conditions for most locations through Thursday. 20-40% precipitation chances west of Miles City Tuesday. Chances for wetting rain remain low (<20%). Temperatures in western valleys and foothills are expected to be in the 70s F with 80s F elsewhere. Minimum relative humidity values are expected to be in the 20s and low 30s. Starting late Thursday, a pattern change to wetter and cooler conditions is expected. Torgerson MTZ123-301015- Gallatin National Forest- 159 PM MDT Mon Sep 29 2025 .Tonight... * Sky/weather...........Mostly cloudy. * Min temperature.......47-57 at 5000 feet...41-51 at 7000 feet. * 24 hr trend.........3 degrees cooler. * Max humidity..........67-77 percent at 5000 feet...71-81 percent at 7000 feet. * 24 hr trend.........2 percent wetter. * Wind (20 ft) * Slope/valley.........Southeast winds 5 to 15 mph. * Ridgetop.............South 15 to 25 mph. * Chance of lightning...7 percent. * CWR...................Zero. .TUESDAY... * Sky/weather...........Mostly cloudy. Isolated rain showers in the morning, then scattered rain showers in the afternoon. * Max temperature.......68-75 at 5000 feet...55-65 at 7000 feet. * 24 hr trend.........7 degrees cooler. * Min humidity..........41-51 percent at 5000 feet...48-58 percent at 7000 feet. * 24 hr trend.........4 percent wetter. * Wind (20 ft) * Slope/valley.........South winds 5 to 15 mph. * Ridgetop.............Southwest 20 to 35 mph. * Chance of lightning...12 percent. * CWR...................Less than 10 percent. .TUESDAY NIGHT... * Sky/weather...........Mostly cloudy. Scattered rain showers in the evening. * Min temperature.......42-52 at 5000 feet...38-48 at 7000 feet. * 24 hr trend.........5 degrees cooler. * Max humidity..........69-74 percent. * 24 hr trend.........6 percent wetter. * Wind (20 ft) * Slope/valley.........South winds 5 to 15 mph. * Ridgetop.............Southwest 15 to 30 mph. * Chance of lightning...11 percent. * CWR...................Zero. .WEDNESDAY... * Sky/weather...........Mostly sunny. Isolated rain showers in the afternoon. * Max temperature.......65-73 at 5000 feet...53-63 at 7000 feet. * 24 hr trend.........2 degrees cooler. * Min humidity..........35-45 percent at 5000 feet...38-48 percent at 7000 feet. * 24 hr trend.........4 percent drier. * Wind (20 ft) * Slope/valley.........Southwest winds 5 to 15 mph. * Ridgetop.............Southwest 15 to 30 mph. * Chance of lightning...12 percent. * CWR...................Zero. .Forecast days 3 through 7...... .WEDNESDAY NIGHT...Mostly cloudy. Scattered showers. Lows 42 to 52. South winds 5 to 15 mph. .THURSDAY...Mostly cloudy. Numerous showers. Lows 39 to 49. Highs 62 to 70. Southwest winds 5 to 10 mph. .FRIDAY...Partly cloudy. Scattered showers. Lows 34 to 44. Highs 53 to 61. West winds 5 to 10 mph. .SATURDAY...Mostly cloudy. Scattered showers. Lows 29 to 39. Highs 55 to 64. West winds 5 to 10 mph. .SUNDAY...Colder. Mostly cloudy. Scattered showers and snow showers. Lows 26 to 36. Highs 44 to 54. .MONDAY...Partly sunny. Scattered snow showers and showers. Highs 42 to 52. $$ MTZ124-301015- Wheatland County/Sweet Grass County- 159 PM MDT Mon Sep 29 2025 .Tonight... * Sky/weather...........Mostly cloudy. * Min temperature.......47-52. * 24 hr trend.........3 degrees cooler. * Max humidity..........72-77 percent. * 24 hr trend.........15 percent wetter. * Wind (20 ft) * Plains...............Southeast winds 5 to 15 mph in the evening shifting to the west 5 to 10 mph overnight. * Chance of lightning...5 percent. * CWR...................Zero. .TUESDAY... * Sky/weather...........Partly sunny. * Max temperature.......75-80. * 24 hr trend.........3 degrees cooler. * Min humidity..........29-34 percent. * 24 hr trend.........6 percent wetter. * Wind (20 ft) * Plains...............West winds 10 to 20 mph. * Chance of lightning...12 percent. * CWR...................Zero. .TUESDAY NIGHT... * Sky/weather...........Mostly cloudy. Isolated rain showers in the evening. * Min temperature.......44-49. * 24 hr trend.........3 degrees cooler. * Max humidity..........73-78 percent. * 24 hr trend.........1 percent wetter. * Wind (20 ft) * Plains...............West winds 10 to 20 mph. * Chance of lightning...13 percent. * CWR...................Zero. .WEDNESDAY... * Sky/weather...........Mostly sunny. * Max temperature.......72-77. * 24 hr trend.........3 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...2 percent. * CWR...................Zero. .Forecast days 3 through 7...... .WEDNESDAY NIGHT...Partly cloudy. Isolated showers. Lows 44 to 49. West winds 5 to 15 mph. .THURSDAY...Mostly cloudy. Numerous showers. Lows 41 to 46. Highs 68 to 73. West winds 5 to 15 mph. .FRIDAY...Partly cloudy. Scattered showers. Lows 36 to 41. Highs 59 to 64. West winds 5 to 15 mph. .SATURDAY...Mostly cloudy. Scattered showers. Lows 32 to 37. Highs 60 to 65. West winds 10 to 20 mph. .SUNDAY...Cooler. Mostly cloudy. Scattered showers. Lows 29 to 34. Highs 50 to 55. .MONDAY...Partly sunny. Scattered showers. Highs 46 to 51. $$ MTZ125-301015- Stillwater County- 159 PM MDT Mon Sep 29 2025 .Tonight... * Sky/weather...........Mostly clear in the evening then becoming mostly cloudy. * Min temperature.......52-57. * 24 hr trend.........2 degrees cooler. * Max humidity..........64-69 percent. * 24 hr trend.........11 percent wetter. * Wind (20 ft) * Plains...............Southwest winds 5 to 10 mph. * Chance of lightning...6 percent. * CWR...................Zero. .TUESDAY... * Sky/weather...........Partly sunny. Isolated showers and thunderstorms in the afternoon. * Max temperature.......77-82. * 24 hr trend.........2 degrees cooler. * Min humidity..........28-33 percent. * 24 hr trend.........Unchanged. * Wind (20 ft) * Plains...............Southwest winds 5 to 10 mph. * Chance of lightning...15 percent. * CWR...................Less than 10 percent. .TUESDAY NIGHT... * Sky/weather...........Mostly cloudy. Isolated rain showers in the evening. * Min temperature.......48-53. * 24 hr trend.........4 degrees cooler. * Max humidity..........63-68 percent. * 24 hr trend.........1 percent drier. * Wind (20 ft) * Plains...............Southwest winds 5 to 15 mph. * Chance of lightning...14 percent. * CWR...................Less than 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...7 percent. * CWR...................Zero. .Forecast days 3 through 7...... .WEDNESDAY NIGHT...Partly cloudy. Isolated showers. Lows 48 to 53. Southwest winds 5 to 10 mph. .THURSDAY...Mostly cloudy. Numerous showers. Lows 44 to 49. Highs 72 to 77. Northwest winds 5 to 10 mph. .FRIDAY...Cooler. Mostly cloudy. Numerous showers. Lows 39 to 44. Highs 60 to 65. West winds 5 to 10 mph. .SATURDAY...Mostly cloudy. Scattered showers. Lows 36 to 41. Highs 62 to 67. Northwest winds 5 to 10 mph. .SUNDAY...Cooler. Mostly cloudy. Scattered showers. Lows 32 to 37. Highs 50 to 55. .MONDAY...Partly sunny. Scattered showers. Highs 46 to 51. $$ MTZ126-301015- Beartooth Ranger District Custer National Forest- 159 PM MDT Mon Sep 29 2025 .Tonight... * Sky/weather...........Partly cloudy. * Min temperature.......53-60 at 5000 feet...46-56 at 7000 feet. * 24 hr trend.........1 degree warmer. * Max humidity..........51-61 percent at 5000 feet...57-67 percent at 7000 feet. * 24 hr trend.........2 percent wetter. * Wind (20 ft) * Slope/valley.........Southwest winds 5 to 15 mph. * Ridgetop.............Southwest 5 to 15 mph. * Chance of lightning...6 percent. * CWR...................Zero. .TUESDAY... * Sky/weather...........Partly sunny. Scattered rain showers and isolated thunderstorms in the afternoon. * Max temperature.......71-79 at 5000 feet...62-72 at 7000 feet. * 24 hr trend.........3 degrees cooler. * 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 15 to 25 mph. * Chance of lightning...16 percent. * CWR...................Zero. .TUESDAY NIGHT... * Sky/weather...........Mostly cloudy. Scattered rain showers in the evening. * Min temperature.......49-55 at 5000 feet...42-52 at 7000 feet. * 24 hr trend.........5 degrees cooler. * Max humidity..........54-64 percent at 5000 feet...60-70 percent at 7000 feet. * 24 hr trend.........1 percent wetter. * Wind (20 ft) * Slope/valley.........Southwest winds 10 to 20 mph. * Ridgetop.............West 5 to 15 mph. * Chance of lightning...14 percent. * CWR...................Zero. .WEDNESDAY... * Sky/weather...........Mostly sunny. Isolated rain showers in the afternoon. * Max temperature.......67-76 at 5000 feet...58-68 at 7000 feet. * 24 hr trend.........3 degrees cooler. * Min humidity..........26-36 percent at 5000 feet...37-47 percent at 7000 feet. * 24 hr trend.........3 percent drier. * Wind (20 ft) * Slope/valley.........Southwest winds 5 to 15 mph. * Ridgetop.............West 10 to 20 mph. * Chance of lightning...8 percent. * CWR...................Zero. .Forecast days 3 through 7...... .WEDNESDAY NIGHT...Partly cloudy. Isolated showers. Lows 48 to 55. Southwest winds 5 to 15 mph. .THURSDAY...Mostly cloudy. Numerous showers and isolated thunderstorms. Lows 45 to 51. Highs 67 to 75. West winds 5 to 15 mph. .FRIDAY...Colder. Mostly cloudy. Numerous showers. Lows 40 to 47. Highs 54 to 62. Northwest winds 5 to 15 mph. .SATURDAY...Mostly cloudy. Scattered showers and snow showers. Lows 37 to 43. Highs 54 to 62. Northwest winds 5 to 15 mph. .SUNDAY...Colder. Mostly cloudy. Scattered snow showers. Lows 33 to 39. Highs 45 to 53. .MONDAY...Mostly cloudy. Scattered snow showers. Highs 42 to 49. $$ MTZ127-301015- Golden Valley County/Musselshell county- 159 PM MDT Mon Sep 29 2025 .Tonight... * Sky/weather...........Mostly clear. * Min temperature.......57-62. * 24 hr trend.........3 degrees warmer. * Max humidity..........53-58 percent. * 24 hr trend.........2 percent wetter. * Wind (20 ft) * Plains...............Southeast winds 5 to 10 mph in the evening shifting to the southwest overnight. * Chance of lightning...2 percent. * CWR...................Zero. .TUESDAY... * Sky/weather...........Mostly sunny. * Max temperature.......79-84. * 24 hr trend.........1 degree warmer. * Min humidity..........27-32 percent. * 24 hr trend.........1 percent drier. * Wind (20 ft) * Plains...............Southwest winds 5 to 15 mph. * Chance of lightning...7 percent. * CWR...................Zero. .TUESDAY NIGHT... * Sky/weather...........Mostly cloudy. Isolated showers and thunderstorms in the evening. * Min temperature.......53-58. * 24 hr trend.........4 degrees cooler. * Max humidity..........54-59 percent. * 24 hr trend.........1 percent wetter. * Wind (20 ft) * Plains...............West winds 5 to 10 mph. * Chance of lightning...16 percent. * CWR...................20 percent. .WEDNESDAY... * Sky/weather...........Sunny. * Max temperature.......74-79. * 24 hr trend.........5 degrees cooler. * Min humidity..........27-32 percent. * 24 hr trend.........Unchanged. * 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 53 to 58. Southwest winds 5 to 10 mph. .THURSDAY...Mostly cloudy. Scattered showers. Lows 50 to 55. Highs 70 to 75. Northwest winds 5 to 10 mph. .FRIDAY...Cooler. Partly cloudy. Scattered showers. Lows 45 to 50. Highs 59 to 64. West winds 5 to 10 mph. .SATURDAY...Mostly cloudy. Scattered showers. Lows 41 to 46. Highs 60 to 65. Northwest winds 5 to 15 mph. .SUNDAY...Cooler. Mostly cloudy. Scattered showers. Lows 37 to 42. Highs 50 to 55. .MONDAY...Partly sunny. Scattered showers. Highs 46 to 51. $$ MTZ128-301015- Yellowstone County- 159 PM MDT Mon Sep 29 2025 .Tonight... * Sky/weather...........Mostly clear. * Min temperature.......54-59. * 24 hr trend.........1 degree warmer. * Max humidity..........62-67 percent. * 24 hr trend.........2 percent drier. * Wind (20 ft) * Plains...............Northeast winds 5 to 10 mph in the evening shifting to the southwest overnight. * Chance of lightning...2 percent. * CWR...................Zero. .TUESDAY... * Sky/weather...........Partly sunny in the morning then clearing. * Max temperature.......82-87. * 24 hr trend.........1 degree warmer. * Min humidity..........28-33 percent. * 24 hr trend.........1 percent drier. * Wind (20 ft) * Plains...............Southwest winds 5 to 15 mph. * Chance of lightning...9 percent. * CWR...................Zero. .TUESDAY NIGHT... * Sky/weather...........Mostly cloudy. Isolated showers and thunderstorms in the evening. * Min temperature.......52-57. * 24 hr trend.........2 degrees cooler. * Max humidity..........64-69 percent. * 24 hr trend.........2 percent wetter. * Wind (20 ft) * Plains...............West winds 5 to 15 mph. * Chance of lightning...17 percent. * CWR...................10 percent. .WEDNESDAY... * Sky/weather...........Sunny. * Max temperature.......77-82. * 24 hr trend.........5 degrees cooler. * Min humidity..........27-32 percent. * 24 hr trend.........1 percent drier. * Wind (20 ft) * Plains...............Southwest winds 5 to 15 mph. * Chance of lightning...1 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 49 to 54. Highs 73 to 78. Northwest winds 5 to 10 mph. .FRIDAY...Cooler. Partly cloudy. Scattered showers. Lows 43 to 48. Highs 62 to 67. Northwest winds 5 to 15 mph. .SATURDAY...Mostly cloudy. Scattered showers. Lows 41 to 46. Highs 63 to 68. Northwest winds 5 to 15 mph. .SUNDAY...Cooler. Mostly cloudy. Scattered showers. Lows 36 to 41. Highs 53 to 58. .MONDAY...Mostly cloudy. Scattered showers. Highs 49 to 54. $$ MTZ129-301015- Crow Indian Reservation/Bighorn Canyon Rec Area- 159 PM MDT Mon Sep 29 2025 .Tonight... * Sky/weather...........Mostly clear. * Min temperature.......55-61 at 5000 feet...53-59 at 7000 feet. * 24 hr trend.........4 degrees cooler. * Max humidity..........48-58 percent at 5000 feet...47-56 percent at 7000 feet. * 24 hr trend.........8 percent wetter. * Wind (20 ft) * Slope/valley.........South winds 5 to 10 mph. * Ridgetop.............South 5 to 15 mph. * Chance of lightning...4 percent. * CWR...................Zero. .TUESDAY... * Sky/weather...........Mostly sunny. * Max temperature.......71-81 at 5000 feet...63-71 at 7000 feet. * 24 hr trend.........Unchanged. * Min humidity..........24-34 percent at 5000 feet...32-40 percent at 7000 feet. * 24 hr trend.........4 percent wetter. * Wind (20 ft) * Slope/valley.........West winds 5 to 10 mph. * Ridgetop.............Southwest 5 to 15 mph. * Chance of lightning...8 percent. * CWR...................Zero. .TUESDAY NIGHT... * Sky/weather...........Mostly cloudy. Scattered rain showers and isolated thunderstorms in the evening. * Min temperature.......50-55 at 5000 feet...47-52 at 7000 feet. * 24 hr trend.........6 degrees cooler. * Max humidity..........56-66 percent at 5000 feet...53-63 percent at 7000 feet. * 24 hr trend.........14 percent wetter. * Wind (20 ft) * Slope/valley.........West winds 5 to 10 mph. * Ridgetop.............Southwest 5 to 15 mph. * Chance of lightning...17 percent. * CWR...................10 percent. .WEDNESDAY... * Sky/weather...........Sunny. * Max temperature.......67-77 at 5000 feet...59-66 at 7000 feet. * 24 hr trend.........5 degrees cooler. * Min humidity..........24-33 percent at 5000 feet...32-41 percent at 7000 feet. * 24 hr trend.........1 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 51 to 56. South winds 5 to 10 mph. .THURSDAY...Partly cloudy. Scattered showers. Lows 46 to 51. Highs 66 to 76. Northwest winds 5 to 10 mph. .FRIDAY...Cooler. Mostly cloudy. Scattered showers. Lows 42 to 47. Highs 52 to 62. Northwest winds 5 to 15 mph. .SATURDAY...Mostly cloudy. Scattered showers. Lows 38 to 44. Highs 53 to 63. Northwest winds 5 to 15 mph. .SUNDAY...Cooler. Mostly cloudy. Scattered showers. Lows 34 to 39. Highs 44 to 54. .MONDAY...Mostly cloudy. Scattered showers. Highs 40 to 50. $$ MTZ130-301015- Northern Rosebud/Northern Treasure Counties- 159 PM MDT Mon Sep 29 2025 .Tonight... * Sky/weather...........Partly cloudy. * Min temperature.......52-57. * 24 hr trend.........1 degree warmer. * Max humidity..........69-74 percent. * 24 hr trend.........10 percent wetter. * Wind (20 ft) * Plains...............East winds 5 to 10 mph. * Chance of lightning...2 percent. * CWR...................Zero. .TUESDAY... * Sky/weather...........Mostly sunny. * Max temperature.......84-89. * 24 hr trend.........1 degree warmer. * Min humidity..........21-26 percent. * 24 hr trend.........8 percent drier. * Wind (20 ft) * Plains...............West winds 5 to 10 mph. * Chance of lightning...3 percent. * CWR...................Zero. .TUESDAY NIGHT... * Sky/weather...........Mostly cloudy. Scattered rain showers and isolated thunderstorms in the evening. * Min temperature.......54-59. * 24 hr trend.........2 degrees warmer. * Max humidity..........66-71 percent. * 24 hr trend.........3 percent drier. * Wind (20 ft) * Plains...............West winds 5 to 10 mph. * Chance of lightning...16 percent. * CWR...................20 percent. .WEDNESDAY... * Sky/weather...........Sunny. * Max temperature.......79-84. * 24 hr trend.........5 degrees cooler. * Min humidity..........21-26 percent. * 24 hr trend.........Unchanged. * Wind (20 ft) * Plains...............West winds 5 to 10 mph. * Chance of lightning...0 percent. * CWR...................Zero. .Forecast days 3 through 7...... .WEDNESDAY NIGHT...Partly cloudy. Lows 51 to 56. South winds 5 to 10 mph. .THURSDAY...Partly cloudy. Scattered showers. Lows 49 to 54. Highs 76 to 81. Northwest winds 5 to 10 mph. .FRIDAY...Cooler. Mostly cloudy. Scattered showers. Lows 43 to 48. Highs 64 to 69. Northwest winds 5 to 10 mph. .SATURDAY...Mostly cloudy. Scattered showers. Lows 42 to 47. Highs 65 to 70. Northwest winds 5 to 10 mph. .SUNDAY...Cooler. Mostly cloudy. Scattered showers. Lows 37 to 42. Highs 55 to 60. .MONDAY...Partly sunny. Scattered showers. Highs 52 to 57. $$ MTZ131-301015- Northern Cheyenne Indian Reservation/Ashland Ranger District Custer Natl Forest- 159 PM MDT Mon Sep 29 2025 .Tonight... * Sky/weather...........Mostly clear. * Min temperature.......51-56. * 24 hr trend.........Unchanged. * Max humidity..........58-63 percent. * 24 hr trend.........3 percent wetter. * Wind (20 ft) * Slope/valley.........South winds 5 to 10 mph. * Ridgetop.............South 10 to 20 mph. * Chance of lightning...6 percent. * CWR...................Zero. .TUESDAY... * Sky/weather...........Mostly sunny. * Max temperature.......82-87. * 24 hr trend.........1 degree cooler. * Min humidity..........22-27 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.............Southwest 5 to 15 mph. * Chance of lightning...4 percent. * CWR...................Zero. .TUESDAY NIGHT... * Sky/weather...........Mostly cloudy. Isolated rain showers in the evening. * Min temperature.......50-55. * 24 hr trend.........1 degree cooler. * Max humidity..........67-72 percent. * 24 hr trend.........9 percent wetter. * Wind (20 ft) * Slope/valley.........Northwest winds 5 to 10 mph. * Ridgetop.............Southwest 5 to 10 mph. * Chance of lightning...14 percent. * CWR...................Less than 10 percent. .WEDNESDAY... * Sky/weather...........Sunny. * Max temperature.......77-82. * 24 hr trend.........5 degrees cooler. * Min humidity..........23-28 percent. * 24 hr trend.........1 percent wetter. * Wind (20 ft) * Slope/valley.........West winds 5 to 10 mph. * Ridgetop.............West 10 to 20 mph. * Chance of lightning...0 percent. * CWR...................Zero. .Forecast days 3 through 7...... .WEDNESDAY NIGHT...Mostly clear. Lows 48 to 53. South winds 5 to 10 mph. .THURSDAY...Mostly clear. Scattered showers. Lows 46 to 51. Highs 76 to 81. North winds 5 to 10 mph. .FRIDAY...Cooler. Mostly cloudy. Scattered showers. Lows 40 to 45. Highs 62 to 67. North winds 5 to 15 mph. .SATURDAY...Partly cloudy. Scattered showers. Lows 39 to 44. Highs 63 to 68. Northwest winds 5 to 10 mph. .SUNDAY...Mostly cloudy. Scattered showers. Lows 33 to 38. Highs 54 to 59. .MONDAY...Mostly cloudy. Scattered showers. Highs 50 to 55. $$ MTZ132-301015- Custer County- 159 PM MDT Mon Sep 29 2025 .Tonight... * Sky/weather...........Partly cloudy. * Min temperature.......57-62. * 24 hr trend.........2 degrees warmer. * Max humidity..........60-65 percent. * 24 hr trend.........15 percent drier. * Wind (20 ft) * Plains...............Southeast winds 5 to 15 mph. * Chance of lightning...2 percent. * CWR...................Zero. .TUESDAY... * Sky/weather...........Sunny. * Max temperature.......83-88. * 24 hr trend.........1 degree warmer. * Min humidity..........23-28 percent. * 24 hr trend.........11 percent drier. * Wind (20 ft) * Plains...............Southwest winds 5 to 15 mph. * Chance of lightning...1 percent. * CWR...................Zero. .TUESDAY NIGHT... * Sky/weather...........Partly cloudy. * Min temperature.......56-61. * 24 hr trend.........1 degree cooler. * Max humidity..........64-69 percent. * 24 hr trend.........4 percent wetter. * Wind (20 ft) * Plains...............Southwest winds 5 to 10 mph. * Chance of lightning...11 percent. * CWR...................Zero. .WEDNESDAY... * Sky/weather...........Sunny. * Max temperature.......76-81. * 24 hr trend.........7 degrees cooler. * Min humidity..........26-31 percent. * 24 hr trend.........3 percent wetter. * Wind (20 ft) * Plains...............West winds 5 to 15 mph. * Chance of lightning...1 percent. * CWR...................Zero. .Forecast days 3 through 7...... .WEDNESDAY NIGHT...Mostly clear. Lows 53 to 58. South winds 5 to 10 mph. .THURSDAY...Mostly clear. Scattered showers. Lows 50 to 55. Highs 76 to 81. Northwest winds 5 to 15 mph. .FRIDAY...Cooler. Mostly cloudy. Scattered showers. Lows 44 to 49. Highs 62 to 67. Northwest winds 5 to 15 mph. .SATURDAY...Partly cloudy. Isolated showers. Lows 43 to 48. Highs 65 to 70. Northwest winds 5 to 15 mph. .SUNDAY...Cooler. Mostly cloudy. Scattered showers. Lows 36 to 41. Highs 55 to 60. .MONDAY...Partly sunny. Isolated showers. Highs 51 to 56. $$ MTZ133-301015- Sioux Ranger District Custer National Forest- 159 PM MDT Mon Sep 29 2025 .Tonight... * Sky/weather...........Partly cloudy. * Min temperature.......54-59. * 24 hr trend.........2 degrees warmer. * Max humidity..........74-79 percent. * 24 hr trend.........20 percent drier. * Wind (20 ft) * Plains...............South winds 5 to 15 mph. * Chance of lightning...6 percent. * CWR...................Zero. .TUESDAY... * Sky/weather...........Sunny. * Max temperature.......84-89. * 24 hr trend.........2 degrees warmer. * Min humidity..........23-28 percent. * 24 hr trend.........13 percent drier. * Wind (20 ft) * Plains...............South winds 10 to 20 mph. * Chance of lightning...3 percent. * CWR...................Zero. .TUESDAY NIGHT... * Sky/weather...........Partly cloudy. * Min temperature.......54-59. * 24 hr trend.........Unchanged. * Max humidity..........62-67 percent. * 24 hr trend.........12 percent drier. * Wind (20 ft) * Plains...............South winds 5 to 15 mph. * Chance of lightning...6 percent. * CWR...................Zero. .WEDNESDAY... * Sky/weather...........Sunny. * Max temperature.......79-84. * 24 hr trend.........5 degrees cooler. * Min humidity..........30-35 percent. * 24 hr trend.........7 percent wetter. * Wind (20 ft) * Plains...............Northwest winds 5 to 15 mph. * Chance of lightning...2 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 49 to 54. Highs 81 to 86. Northwest winds 5 to 15 mph. .FRIDAY...Cooler. Mostly cloudy. Scattered showers. Lows 42 to 47. Highs 66 to 71. North winds 5 to 15 mph. .SATURDAY...Partly cloudy. Scattered showers and isolated thunderstorms. Lows 43 to 48. Highs 67 to 72. East winds 5 to 15 mph. .SUNDAY...Mostly cloudy. Scattered showers. Lows 37 to 42. Highs 58 to 63. .MONDAY...Mostly cloudy. Scattered showers. Highs 53 to 58. $$ WYZ274-301015- Sheridan County- 159 PM MDT Mon Sep 29 2025 .Tonight... * Sky/weather...........Mostly clear. * Min temperature.......47-52. * 24 hr trend.........4 degrees cooler. * Max humidity..........73-78 percent. * 24 hr trend.........23 percent wetter. * Wind (20 ft) * Slope/valley.........Southwest winds 5 to 10 mph. * Ridgetop.............South 5 to 15 mph. * Chance of lightning...9 percent. * CWR...................Zero. .TUESDAY... * Sky/weather...........Mostly sunny. * Max temperature.......81-86. * 24 hr trend.........Unchanged. * Min humidity..........25-30 percent. * 24 hr trend.........1 percent drier. * Wind (20 ft) * Slope/valley.........Southeast winds 5 to 10 mph. * Ridgetop.............Southwest 5 to 10 mph. * Chance of lightning...8 percent. * CWR...................Zero. .TUESDAY NIGHT... * Sky/weather...........Mostly cloudy. Scattered rain showers and isolated thunderstorms in the evening. * Min temperature.......44-49. * 24 hr trend.........3 degrees cooler. * Max humidity..........80-85 percent. * 24 hr trend.........7 percent wetter. * Wind (20 ft) * Slope/valley.........West winds 5 to 10 mph. * Ridgetop.............Southwest 5 to 15 mph. * Chance of lightning...15 percent. * CWR...................Zero. .WEDNESDAY... * Sky/weather...........Sunny. * Max temperature.......76-81. * 24 hr trend.........5 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 east in the afternoon. * Ridgetop.............West 10 to 20 mph. * Chance of lightning...0 percent. * CWR...................Zero. .Forecast days 3 through 7...... .WEDNESDAY NIGHT...Mostly clear. Lows 44 to 49. South winds 5 to 10 mph. .THURSDAY...Partly cloudy. Scattered showers. Lows 41 to 46. Highs 76 to 81. Northwest winds 5 to 10 mph. .FRIDAY...Cooler. Mostly cloudy. Scattered showers. Lows 35 to 40. Highs 61 to 66. Northwest winds 5 to 10 mph. .SATURDAY...Partly cloudy. Scattered showers. Lows 35 to 40. Highs 62 to 67. Northwest winds 5 to 10 mph. .SUNDAY...Mostly cloudy. Scattered showers. Lows 29 to 34. Highs 53 to 58. .MONDAY...Mostly cloudy. Scattered showers. Highs 49 to 54. $$ WYZ284-301015- Bighorn National Forest- 159 PM MDT Mon Sep 29 2025 .Tonight... * Sky/weather...........Mostly clear. * Min temperature.......41-46. * 24 hr trend.........2 degrees cooler. * Max humidity..........75-80 percent. * 24 hr trend.........1 percent wetter. * Wind (20 ft) * At Burgess Jct.......South winds 5 to 15 mph. * Chance of lightning...6 percent. * CWR...................Zero. .TUESDAY... * Sky/weather...........Mostly sunny. Isolated rain showers in the afternoon. * Max temperature.......62-67. * 24 hr trend.........1 degree cooler. * Min humidity..........33-38 percent. * 24 hr trend.........1 percent drier. * Wind (20 ft) * At Burgess Jct.......Southwest winds 10 to 20 mph. * Chance of lightning...8 percent. * CWR...................Zero. .TUESDAY NIGHT... * Sky/weather...........Mostly cloudy. Scattered rain showers and isolated thunderstorms in the evening. * Min temperature.......36-41. * 24 hr trend.........5 degrees cooler. * Max humidity..........77-82 percent. * 24 hr trend.........2 percent wetter. * Wind (20 ft) * At Burgess Jct.......Southwest winds 5 to 15 mph. * Chance of lightning...16 percent. * CWR...................20 percent. .WEDNESDAY... * Sky/weather...........Sunny. * Max temperature.......58-63. * 24 hr trend.........4 degrees cooler. * Min humidity..........31-36 percent. * 24 hr trend.........2 percent drier. * Wind (20 ft) * At Burgess Jct.......Southwest winds 5 to 15 mph. * Chance of lightning...3 percent. * CWR...................Zero. .Forecast days 3 through 7...... .WEDNESDAY NIGHT...Mostly clear. Lows 39 to 44. Southwest winds 5 to 15 mph. .THURSDAY...Partly cloudy. Scattered showers. Lows 33 to 38. Highs 59 to 64. Southwest winds 5 to 15 mph. .FRIDAY...Cooler. Mostly cloudy. Numerous showers. Lows 29 to 34. Highs 47 to 52. Northwest winds 5 to 15 mph. .SATURDAY...Mostly cloudy. Scattered showers and snow showers. Lows 25 to 30. Highs 47 to 52. Northwest winds 5 to 15 mph. .SUNDAY...Colder. Mostly cloudy. Scattered snow showers and showers. Lows 21 to 26. Highs 37 to 42. .MONDAY...Mostly cloudy. Scattered snow showers. Highs 34 to 39. $$ weather.gov/billings