Routine Fire Wx Fcst (With/Without 6-10 Day Outlook)
Issued by NWS Billings, MT
Issued by NWS Billings, MT
258 FNUS55 KBYZ 192030 FWFBYZ Fire Weather Planning Forecast for SCen and SErn Montana National Weather Service Billings MT 230 PM MDT Thu Sep 19 2024 .DISCUSSION... Isolated showers over portions of southeast Montana will taper off by sunset. Look for the gusty west/northwest winds to diminish late this afternoon and evening as weak high pressure moves in. After a dry day on Friday a cold front moves through Sunday night dropping highs into the 60s for Saturday. After a dry day on Sunday another cold front sweeps through the region Sunday night into Monday morning with higher (20-50 percent) chances for precipitation. MTZ123-201015- Gallatin National Forest- 230 PM MDT Thu Sep 19 2024 .Tonight... * Sky/weather...........Mostly clear. * Min temperature.......39-49 at 5000 feet...35-45 at 7000 feet. * 24 hr trend.........1 degree warmer. * Max humidity..........69-74 percent. * 24 hr trend.........22 percent drier. * Wind (20 ft) * Slope/valley.........South winds 5 to 15 mph. * Ridgetop.............West 15 to 25 mph. * LAL...................1...no thunderstorms. * CWR...................Zero. .FRIDAY... * Sky/weather...........Sunny. * Max temperature.......65-75 at 5000 feet...53-63 at 7000 feet. * 24 hr trend.........2 degrees warmer. * Min humidity..........31-41 percent at 5000 feet...35-45 percent at 7000 feet. * 24 hr trend.........5 percent drier. * Wind (20 ft) * Slope/valley.........South winds 5 to 15 mph in the morning shifting to the west in the afternoon. * Ridgetop.............West 20 to 35 mph. * LAL...................1...no thunderstorms. * CWR...................Zero. * Haines index..........2. .FRIDAY NIGHT... * Sky/weather...........Mostly clear. * Min temperature.......31-41 at 5000 feet...28-38 at 7000 feet. * 24 hr trend.........9 degrees cooler. * Max humidity..........74-84 percent at 5000 feet...71-81 percent at 7000 feet. * 24 hr trend.........2 percent drier. * Wind (20 ft) * Slope/valley.........Northwest winds 5 to 10 mph in the evening becoming light overnight. * Ridgetop.............Northwest 10 to 20 mph. * LAL...................1...no thunderstorms. * CWR...................Zero. .SATURDAY... * Sky/weather...........Sunny. * Max temperature.......58-68 at 5000 feet...47-57 at 7000 feet. * 24 hr trend.........8 degrees cooler. * Min humidity..........40-45 percent. * 24 hr trend.........8 percent wetter. * Wind (20 ft) * Slope/valley.........Light winds in the morning becoming north 5 to 10 mph in the afternoon. * Ridgetop.............Light winds. * LAL...................1...no thunderstorms. * CWR...................Zero. * Haines index..........2. .Forecast days 3 through 7...... .SATURDAY NIGHT...Mostly clear. Lows 31 to 41. Southeast winds 5 to 10 mph. .SUNDAY...Partly cloudy. Isolated showers. Lows 39 to 49. Highs 66 to 76. Southwest winds 5 to 10 mph. .MONDAY...Mostly cloudy. Scattered showers. Lows 36 to 46. Highs 58 to 68. Southwest winds 5 to 10 mph. .TUESDAY...Mostly clear. Lows 40 to 50. Highs 66 to 76. Southwest winds 5 to 10 mph. .WEDNESDAY...Mostly clear. Lows 43 to 53. Highs 72 to 82. .THURSDAY...Sunny. Highs 72 to 82. $$ MTZ124-201015- Wheatland County/Sweet Grass County- 230 PM MDT Thu Sep 19 2024 .Tonight... * Sky/weather...........Partly cloudy. * Min temperature.......41-46. * 24 hr trend.........9 degrees cooler. * Max humidity..........79-84 percent. * 24 hr trend.........7 percent wetter. * Wind (20 ft) * Plains...............West winds 5 to 15 mph. * LAL...................1...no thunderstorms. * CWR...................Zero. .FRIDAY... * Sky/weather...........Sunny. * Max temperature.......68-73. * 24 hr trend.........1 degree warmer. * Min humidity..........31-36 percent. * 24 hr trend.........11 percent drier. * Wind (20 ft) * Plains...............West winds 15 to 25 mph with gusts to around 35 mph. * LAL...................1...no thunderstorms. * CWR...................Zero. * Haines index..........2. .FRIDAY NIGHT... * Sky/weather...........Partly cloudy. * Min temperature.......32-37. * 24 hr trend.........9 degrees cooler. * Max humidity..........86-91 percent. * 24 hr trend.........7 percent wetter. * Wind (20 ft) * Plains...............Northwest winds 10 to 20 mph. Gusts up to 30 mph in the evening. * LAL...................1...no thunderstorms. * CWR...................Zero. .SATURDAY... * Sky/weather...........Sunny. * Max temperature.......57-62. * 24 hr trend.........11 degrees cooler. * Min humidity..........41-46 percent. * 24 hr trend.........10 percent wetter. * Wind (20 ft) * Plains...............West winds 5 to 15 mph in the morning shifting to the southeast 5 to 10 mph in the afternoon. * LAL...................1...no thunderstorms. * CWR...................Zero. * Haines index..........3. .Forecast days 3 through 7...... .SATURDAY NIGHT...Partly cloudy. Lows 31 to 36. South winds 5 to 15 mph. .SUNDAY...Warmer. Partly cloudy. Isolated showers. Lows 42 to 47. Highs 68 to 73. West winds 5 to 15 mph. .MONDAY...Mostly cloudy. Scattered showers. Lows 39 to 44. Highs 63 to 68. West winds 10 to 20 mph. .TUESDAY...Mostly clear. Lows 41 to 46. Highs 70 to 75. West winds 5 to 15 mph. .WEDNESDAY...Mostly clear. Lows 44 to 49. Highs 76 to 81. .THURSDAY...Sunny. Highs 76 to 81. $$ MTZ125-201015- Stillwater County- 230 PM MDT Thu Sep 19 2024 .Tonight... * Sky/weather...........Mostly clear. * Min temperature.......46-51. * 24 hr trend.........2 degrees cooler. * Max humidity..........70-75 percent. * 24 hr trend.........6 percent wetter. * Wind (20 ft) * Plains...............Southwest winds 5 to 15 mph. * LAL...................1...no thunderstorms. * CWR...................Zero. .FRIDAY... * Sky/weather...........Sunny. * Max temperature.......73-78. * 24 hr trend.........3 degrees warmer. * Min humidity..........32-37 percent. * 24 hr trend.........5 percent drier. * Wind (20 ft) * Plains...............West winds 5 to 10 mph. * LAL...................1...no thunderstorms. * CWR...................Zero. * Haines index..........2. .FRIDAY NIGHT... * Sky/weather...........Mostly cloudy. * Min temperature.......39-44. * 24 hr trend.........7 degrees cooler. * Max humidity..........80-85 percent. * 24 hr trend.........10 percent wetter. * Wind (20 ft) * Plains...............Northwest winds 5 to 10 mph. * LAL...................1...no thunderstorms. * CWR...................Zero. .SATURDAY... * Sky/weather...........Mostly sunny. * Max temperature.......59-64. * 24 hr trend.........14 degrees cooler. * Min humidity..........41-46 percent. * 24 hr trend.........9 percent wetter. * Wind (20 ft) * Plains...............South winds 5 to 10 mph in the morning shifting to the east in the afternoon. * LAL...................1...no thunderstorms. * CWR...................Zero. * Haines index..........2. .Forecast days 3 through 7...... .SATURDAY NIGHT...Mostly clear. Lows 37 to 42. South winds 5 to 10 mph. .SUNDAY...Partly cloudy. Isolated showers. Lows 45 to 50. Highs 68 to 73. Southwest winds 5 to 10 mph. .MONDAY...Mostly cloudy. Scattered showers. Lows 42 to 47. Highs 65 to 70. West winds 5 to 15 mph. .TUESDAY...Mostly clear. Lows 46 to 51. Highs 70 to 75. Southwest winds 5 to 10 mph. .WEDNESDAY...Mostly clear. Lows 49 to 54. Highs 76 to 81. .THURSDAY...Sunny. Highs 78 to 83. $$ MTZ126-201015- Beartooth Ranger District Custer National Forest- 230 PM MDT Thu Sep 19 2024 .Tonight... * Sky/weather...........Mostly clear. * Min temperature.......46-52 at 5000 feet...39-49 at 7000 feet. * 24 hr trend.........2 degrees warmer. * Max humidity..........55-65 percent at 5000 feet...57-67 percent at 7000 feet. * 24 hr trend.........11 percent drier. * Wind (20 ft) * Slope/valley.........West winds 10 to 20 mph. * Ridgetop.............West 10 to 20 mph. * LAL...................1...no thunderstorms. * CWR...................Zero. .FRIDAY... * Sky/weather...........Sunny. * Max temperature.......67-77 at 5000 feet...58-68 at 7000 feet. * 24 hr trend.........3 degrees warmer. * Min humidity..........26-36 percent at 5000 feet...34-44 percent at 7000 feet. * 24 hr trend.........7 percent drier. * Wind (20 ft) * Slope/valley.........West winds 5 to 15 mph. * Ridgetop.............West 10 to 20 mph. * LAL...................1...no thunderstorms. * CWR...................Zero. * Haines index..........3. .FRIDAY NIGHT... * Sky/weather...........Mostly cloudy. * Min temperature.......40-46 at 5000 feet...31-41 at 7000 feet. * 24 hr trend.........9 degrees cooler. * Max humidity..........63-73 percent at 5000 feet...73-83 percent at 7000 feet. * 24 hr trend.........17 percent wetter. * Wind (20 ft) * Slope/valley.........Northwest winds 5 to 15 mph. * Ridgetop.............Northwest 10 to 20 mph. * LAL...................1...no thunderstorms. * CWR...................Zero. .SATURDAY... * Sky/weather...........Mostly sunny. * Max temperature.......54-62 at 5000 feet...47-57 at 7000 feet. * 24 hr trend.........12 degrees cooler. * Min humidity..........35-45 percent at 5000 feet...48-58 percent at 7000 feet. * 24 hr trend.........16 percent wetter. * Wind (20 ft) * Slope/valley.........Northeast winds 5 to 15 mph. * Ridgetop.............West 5 to 10 mph. * LAL...................1...no thunderstorms. * CWR...................Zero. * Haines index..........2. .Forecast days 3 through 7...... .SATURDAY NIGHT...Partly cloudy. Lows 38 to 45. West winds 5 to 10 mph. .SUNDAY...Partly cloudy. Isolated showers. Lows 46 to 52. Highs 61 to 71. Southwest winds 5 to 15 mph. .MONDAY...Mostly cloudy. Scattered showers. Lows 43 to 49. Highs 57 to 67. West winds 5 to 15 mph. .TUESDAY...Mostly clear. Lows 47 to 53. Highs 62 to 72. Southwest winds 5 to 10 mph. .WEDNESDAY...Mostly clear. Lows 50 to 56. Highs 69 to 79. .THURSDAY...Sunny. Highs 70 to 80. $$ MTZ127-201015- Golden Valley County/Musselshell county- 230 PM MDT Thu Sep 19 2024 .Tonight... * Sky/weather...........Mostly clear. * Min temperature.......51-56. * 24 hr trend.........Unchanged. * Max humidity..........59-64 percent. * 24 hr trend.........22 percent drier. * Wind (20 ft) * Plains...............Southwest winds 5 to 10 mph. * LAL...................1...no thunderstorms. * CWR...................Zero. .FRIDAY... * Sky/weather...........Sunny. * Max temperature.......68-73. * 24 hr trend.........2 degrees warmer. * Min humidity..........38-43 percent. * 24 hr trend.........11 percent drier. * Wind (20 ft) * Plains...............West winds 5 to 15 mph. * LAL...................1...no thunderstorms. * CWR...................Zero. * Haines index..........2. .FRIDAY NIGHT... * Sky/weather...........Partly cloudy. * Min temperature.......40-45. * 24 hr trend.........11 degrees cooler. * Max humidity..........65-70 percent. * 24 hr trend.........6 percent wetter. * Wind (20 ft) * Plains...............North winds 5 to 15 mph. * LAL...................1...no thunderstorms. * CWR...................Zero. .SATURDAY... * Sky/weather...........Sunny. * Max temperature.......55-60. * 24 hr trend.........13 degrees cooler. * Min humidity..........41-46 percent. * 24 hr trend.........3 percent wetter. * Wind (20 ft) * Plains...............Northeast winds 5 to 10 mph. * LAL...................1...no thunderstorms. * CWR...................Zero. * Haines index..........3. .Forecast days 3 through 7...... .SATURDAY NIGHT...Mostly clear. Lows 40 to 45. Southeast winds 5 to 10 mph. .SUNDAY...Partly cloudy. Lows 48 to 53. Highs 64 to 69. Southwest winds 5 to 10 mph. .MONDAY...Mostly cloudy. Scattered showers. Lows 45 to 50. Highs 61 to 66. Northwest winds 5 to 15 mph. .TUESDAY...Mostly clear. Lows 49 to 54. Highs 66 to 71. Southwest winds 5 to 10 mph. .WEDNESDAY...Mostly clear. Lows 52 to 57. Highs 73 to 78. .THURSDAY...Sunny. Highs 73 to 78. $$ MTZ128-201015- Yellowstone County- 230 PM MDT Thu Sep 19 2024 .Tonight... * Sky/weather...........Mostly clear. * Min temperature.......49-54. * 24 hr trend.........8 degrees cooler. * Max humidity..........68-73 percent. * 24 hr trend.........5 percent drier. * Wind (20 ft) * Plains...............Southwest winds 5 to 10 mph. * LAL...................1...no thunderstorms. * CWR...................Zero. .FRIDAY... * Sky/weather...........Sunny. * Max temperature.......74-79. * 24 hr trend.........3 degrees warmer. * Min humidity..........37-42 percent. * 24 hr trend.........8 percent drier. * Wind (20 ft) * Plains...............West winds 5 to 15 mph. * LAL...................1...no thunderstorms. * CWR...................Zero. * Haines index..........2. .FRIDAY NIGHT... * Sky/weather...........Partly cloudy. * Min temperature.......41-46. * 24 hr trend.........8 degrees cooler. * Max humidity..........75-80 percent. * 24 hr trend.........7 percent wetter. * Wind (20 ft) * Plains...............North winds 5 to 15 mph. * LAL...................1...no thunderstorms. * CWR...................Zero. .SATURDAY... * Sky/weather...........Sunny. * Max temperature.......60-65. * 24 hr trend.........14 degrees cooler. * Min humidity..........44-49 percent. * 24 hr trend.........7 percent wetter. * Wind (20 ft) * Plains...............Northeast winds 5 to 10 mph. * LAL...................1...no thunderstorms. * CWR...................Zero. * Haines index..........3. .Forecast days 3 through 7...... .SATURDAY NIGHT...Mostly clear. Lows 38 to 43. Northeast winds 5 to 10 mph. .SUNDAY...Partly cloudy. Lows 48 to 53. Highs 70 to 75. Southwest winds 5 to 10 mph. .MONDAY...Mostly cloudy. Scattered showers. Lows 45 to 50. Highs 66 to 71. West winds 5 to 15 mph. .TUESDAY...Mostly clear. Lows 47 to 52. Highs 71 to 76. Southwest winds 5 to 10 mph. .WEDNESDAY...Mostly clear. Lows 50 to 55. Highs 78 to 83. .THURSDAY...Sunny. Highs 78 to 83. $$ MTZ129-201015- Crow Indian Reservation/Bighorn Canyon Rec Area- 230 PM MDT Thu Sep 19 2024 .Tonight... * Sky/weather...........Mostly clear. * Min temperature.......47-54 at 5000 feet...45-51 at 7000 feet. * 24 hr trend.........1 degree cooler. * Max humidity..........56-61 percent. * 24 hr trend.........28 percent drier. * Wind (20 ft) * Slope/valley.........Southwest winds 5 to 15 mph. * Ridgetop.............West 15 to 30 mph. * LAL...................1...no thunderstorms. * CWR...................Zero. .FRIDAY... * Sky/weather...........Sunny. * Max temperature.......66-76 at 5000 feet...59-66 at 7000 feet. * 24 hr trend.........6 degrees warmer. * Min humidity..........26-36 percent at 5000 feet...33-43 percent at 7000 feet. * 24 hr trend.........13 percent drier. * Wind (20 ft) * Slope/valley.........Northwest winds 5 to 15 mph. * Ridgetop.............West 10 to 20 mph. * LAL...................1...no thunderstorms. * CWR...................Zero. * Haines index..........2. .FRIDAY NIGHT... * Sky/weather...........Partly cloudy. * Min temperature.......39-45 at 5000 feet...35-40 at 7000 feet. * 24 hr trend.........9 degrees cooler. * Max humidity..........66-76 percent at 5000 feet...69-79 percent at 7000 feet. * 24 hr trend.........11 percent wetter. * Wind (20 ft) * Slope/valley.........Northwest winds 5 to 15 mph. * Ridgetop.............West 15 to 25 mph. * LAL...................1...no thunderstorms. * CWR...................Zero. .SATURDAY... * Sky/weather...........Sunny. * Max temperature.......52-62 at 5000 feet...46-52 at 7000 feet. * 24 hr trend.........16 degrees cooler. * Min humidity..........35-45 percent at 5000 feet...49-59 percent at 7000 feet. * 24 hr trend.........9 percent wetter. * Wind (20 ft) * Slope/valley.........North winds 5 to 15 mph. * Ridgetop.............West 10 to 20 mph. * LAL...................1...no thunderstorms. * CWR...................Zero. * Haines index..........2. .Forecast days 3 through 7...... .SATURDAY NIGHT...Mostly clear. Lows 39 to 45. East winds 5 to 10 mph. .SUNDAY...Mostly clear. Lows 47 to 52. Highs 62 to 72. Southeast winds 5 to 10 mph. .MONDAY...Mostly cloudy. Scattered showers. Lows 44 to 49. Highs 56 to 66. West winds 5 to 15 mph. .TUESDAY...Mostly clear. Lows 47 to 53. Highs 63 to 73. Southwest winds 5 to 10 mph. .WEDNESDAY...Mostly clear. Lows 50 to 56. Highs 70 to 80. .THURSDAY...Sunny. Highs 71 to 81. $$ MTZ130-201015- Northern Rosebud/Northern Treasure Counties- 230 PM MDT Thu Sep 19 2024 .Tonight... * Sky/weather...........Mostly clear. * Min temperature.......48-53. * 24 hr trend.........6 degrees cooler. * Max humidity..........74-79 percent. * 24 hr trend.........17 percent drier. * Wind (20 ft) * Plains...............Southwest winds 5 to 10 mph. * LAL...................1...no thunderstorms. * CWR...................Zero. .FRIDAY... * Sky/weather...........Sunny. * Max temperature.......73-78. * 24 hr trend.........4 degrees warmer. * Min humidity..........33-38 percent. * 24 hr trend.........14 percent drier. * Wind (20 ft) * Plains...............West winds 5 to 15 mph. * LAL...................1...no thunderstorms. * CWR...................Zero. * Haines index..........2. .FRIDAY NIGHT... * Sky/weather...........Partly cloudy. * Min temperature.......41-46. * 24 hr trend.........7 degrees cooler. * Max humidity..........78-83 percent. * 24 hr trend.........4 percent wetter. * Wind (20 ft) * Plains...............Northwest winds 5 to 15 mph. * LAL...................1...no thunderstorms. * CWR...................Zero. .SATURDAY... * Sky/weather...........Sunny. * Max temperature.......59-64. * 24 hr trend.........14 degrees cooler. * Min humidity..........36-41 percent. * 24 hr trend.........3 percent wetter. * Wind (20 ft) * Plains...............Northwest winds 5 to 15 mph. * LAL...................1...no thunderstorms. * CWR...................Zero. * Haines index..........4. .Forecast days 3 through 7...... .SATURDAY NIGHT...Mostly clear. Lows 38 to 43. East winds 5 to 10 mph. .SUNDAY...Warmer. Mostly clear. Lows 46 to 51. Highs 70 to 75. South winds 5 to 10 mph. .MONDAY...Mostly cloudy. Isolated showers. Lows 44 to 49. Highs 66 to 71. Northwest winds 5 to 15 mph. .TUESDAY...Mostly clear. Lows 46 to 51. Highs 70 to 75. Southwest winds 5 to 10 mph. .WEDNESDAY...Mostly clear. Lows 50 to 55. Highs 79 to 84. .THURSDAY...Sunny. Highs 77 to 82. $$ MTZ131-201015- Northern Cheyenne Indian Reservation/Ashland Ranger District Custer Natl Forest- 230 PM MDT Thu Sep 19 2024 .Tonight... * Sky/weather...........Mostly clear. * Min temperature.......44-49. * 24 hr trend.........12 degrees cooler. * Max humidity..........69-74 percent. * 24 hr trend.........1 percent drier. * Wind (20 ft) * Slope/valley.........Southwest winds 5 to 10 mph. * Ridgetop.............West 15 to 30 mph. * LAL...................1...no thunderstorms. * CWR...................Zero. .FRIDAY... * Sky/weather...........Sunny. * Max temperature.......76-81. * 24 hr trend.........5 degrees warmer. * Min humidity..........24-29 percent. * 24 hr trend.........11 percent drier. * Wind (20 ft) * Slope/valley.........West winds 5 to 15 mph. * Ridgetop.............West 10 to 20 mph. * LAL...................1...no thunderstorms. * CWR...................Zero. * Haines index..........3. .FRIDAY NIGHT... * Sky/weather...........Partly cloudy. * Min temperature.......40-45. * 24 hr trend.........4 degrees cooler. * Max humidity..........75-80 percent. * 24 hr trend.........6 percent wetter. * Wind (20 ft) * Slope/valley.........North winds 10 to 20 mph. * Ridgetop.............West 15 to 25 mph. * LAL...................1...no thunderstorms. * CWR...................Zero. .SATURDAY... * Sky/weather...........Sunny. * Max temperature.......60-65. * 24 hr trend.........16 degrees cooler. * Min humidity..........31-36 percent. * 24 hr trend.........7 percent wetter. * Wind (20 ft) * Slope/valley.........North winds 5 to 15 mph. * Ridgetop.............West 15 to 30 mph. * LAL...................1...no thunderstorms. * CWR...................Zero. * Haines index..........3. .Forecast days 3 through 7...... .SATURDAY NIGHT...Mostly clear. Lows 36 to 41. East winds 5 to 10 mph. .SUNDAY...Warmer. Mostly clear. Lows 43 to 48. Highs 71 to 76. South winds 5 to 10 mph. .MONDAY...Mostly cloudy. Isolated showers. Lows 40 to 45. Highs 64 to 69. Northwest winds 5 to 15 mph. .TUESDAY...Mostly clear. Lows 43 to 48. Highs 69 to 74. West winds 5 to 10 mph. .WEDNESDAY...Mostly clear. Lows 47 to 52. Highs 79 to 84. .THURSDAY...Sunny. Highs 79 to 84. $$ MTZ132-201015- Custer County- 230 PM MDT Thu Sep 19 2024 .Tonight... * Sky/weather...........Mostly clear. * Min temperature.......49-54. * 24 hr trend.........3 degrees cooler. * Max humidity..........79-84 percent. * 24 hr trend.........19 percent drier. * Wind (20 ft) * Plains...............Southwest winds 5 to 15 mph. * LAL...................1...no thunderstorms. * CWR...................Zero. .FRIDAY... * Sky/weather...........Sunny. * Max temperature.......73-78. * 24 hr trend.........6 degrees warmer. * Min humidity..........32-37 percent. * 24 hr trend.........6 percent drier. * Wind (20 ft) * Plains...............West winds 5 to 15 mph. * LAL...................1...no thunderstorms. * CWR...................Zero. * Haines index..........2. .FRIDAY NIGHT... * Sky/weather...........Partly cloudy. * Min temperature.......41-46. * 24 hr trend.........8 degrees cooler. * Max humidity..........78-83 percent. * 24 hr trend.........1 percent drier. * Wind (20 ft) * Plains...............Northwest winds 5 to 15 mph. * LAL...................1...no thunderstorms. * CWR...................Zero. .SATURDAY... * Sky/weather...........Sunny. * Max temperature.......58-63. * 24 hr trend.........15 degrees cooler. * Min humidity..........37-42 percent. * 24 hr trend.........5 percent wetter. * Wind (20 ft) * Plains...............Northwest winds 5 to 15 mph. * LAL...................1...no thunderstorms. * CWR...................Zero. * Haines index..........4. .Forecast days 3 through 7...... .SATURDAY NIGHT...Mostly clear. Lows 38 to 43. East winds 5 to 10 mph. .SUNDAY...Mostly clear. Lows 46 to 51. Highs 66 to 71. South winds 5 to 10 mph. .MONDAY...Mostly cloudy. Lows 43 to 48. Highs 64 to 69. West winds 5 to 15 mph. .TUESDAY...Mostly clear. Lows 46 to 51. Highs 66 to 71. West winds 5 to 10 mph. .WEDNESDAY...Mostly clear. Lows 51 to 56. Highs 75 to 80. .THURSDAY...Sunny. Highs 76 to 81. $$ MTZ133-201015- Sioux Ranger District Custer National Forest- 230 PM MDT Thu Sep 19 2024 .Tonight... * Sky/weather...........Mostly clear. * Min temperature.......47-52. * 24 hr trend.........9 degrees cooler. * Max humidity..........80-85 percent. * 24 hr trend.........1 percent drier. * Wind (20 ft) * Plains...............Southwest winds 5 to 10 mph. * LAL...................1...no thunderstorms. * CWR...................Zero. .FRIDAY... * Sky/weather...........Sunny. * Max temperature.......78-83. * 24 hr trend.........7 degrees warmer. * Min humidity..........26-31 percent. * 24 hr trend.........13 percent drier. * Wind (20 ft) * Plains...............Southwest winds 5 to 15 mph. * LAL...................1...no thunderstorms. * CWR...................Zero. * Haines index..........3. .FRIDAY NIGHT... * Sky/weather...........Mostly clear. * Min temperature.......44-49. * 24 hr trend.........3 degrees cooler. * Max humidity..........72-77 percent. * 24 hr trend.........8 percent drier. * Wind (20 ft) * Plains...............Northwest winds 10 to 20 mph. * LAL...................1...no thunderstorms. * CWR...................Zero. .SATURDAY... * Sky/weather...........Sunny. * Max temperature.......61-66. * 24 hr trend.........17 degrees cooler. * Min humidity..........36-41 percent. * 24 hr trend.........10 percent wetter. * Wind (20 ft) * Plains...............Northwest winds 10 to 20 mph. * LAL...................1...no thunderstorms. * CWR...................Zero. * Haines index..........4. .Forecast days 3 through 7...... .SATURDAY NIGHT...Mostly clear. Lows 37 to 42. Northeast winds 5 to 10 mph. .SUNDAY...Mostly clear. Lows 41 to 46. Highs 67 to 72. South winds 5 to 10 mph. .MONDAY...Mostly cloudy. Isolated showers. Lows 43 to 48. Highs 68 to 73. West winds 5 to 15 mph. .TUESDAY...Mostly clear. Lows 44 to 49. Highs 68 to 73. Northwest winds 5 to 15 mph. .WEDNESDAY...Mostly clear. Lows 48 to 53. Highs 76 to 81. .THURSDAY...Sunny. Highs 78 to 83. $$ WYZ274-201015- Sheridan County- 230 PM MDT Thu Sep 19 2024 .Tonight... * Sky/weather...........Mostly clear. * Min temperature.......41-46. * 24 hr trend.........10 degrees cooler. * Max humidity..........82-87 percent. * 24 hr trend.........18 percent wetter. * Wind (20 ft) * Slope/valley.........South winds 5 to 10 mph. * Ridgetop.............West 10 to 20 mph. * LAL...................1...no thunderstorms. * CWR...................Zero. .FRIDAY... * Sky/weather...........Sunny. * Max temperature.......78-83. * 24 hr trend.........5 degrees warmer. * Min humidity..........21-26 percent. * 24 hr trend.........10 percent drier. * Wind (20 ft) * Slope/valley.........Northwest winds 5 to 10 mph. * Ridgetop.............West 15 to 25 mph. * LAL...................1...no thunderstorms. * CWR...................Zero. * Haines index..........3. .FRIDAY NIGHT... * Sky/weather...........Partly cloudy. * Min temperature.......39-44. * 24 hr trend.........2 degrees cooler. * Max humidity..........89-94 percent. * 24 hr trend.........7 percent wetter. * Wind (20 ft) * Slope/valley.........Northwest winds 5 to 15 mph. * Ridgetop.............West 10 to 20 mph. * LAL...................1...no thunderstorms. * CWR...................Zero. .SATURDAY... * Sky/weather...........Mostly sunny. * Max temperature.......62-67. * 24 hr trend.........16 degrees cooler. * Min humidity..........34-39 percent. * 24 hr trend.........13 percent wetter. * Wind (20 ft) * Slope/valley.........North winds 5 to 15 mph. * Ridgetop.............West 10 to 20 mph. * LAL...................1...no thunderstorms. * CWR...................Zero. * Haines index..........2. .Forecast days 3 through 7...... .SATURDAY NIGHT...Mostly clear. Lows 33 to 38. Southeast winds 5 to 10 mph. .SUNDAY...Mostly clear. Lows 41 to 46. Highs 72 to 77. South winds 5 to 10 mph. .MONDAY...Mostly cloudy. Scattered showers. Lows 38 to 43. Highs 65 to 70. West winds 5 to 15 mph. .TUESDAY...Mostly clear. Lows 40 to 45. Highs 71 to 76. West winds 5 to 10 mph. .WEDNESDAY...Mostly clear. Lows 44 to 49. Highs 81 to 86. .THURSDAY...Sunny. Highs 81 to 86. $$ WYZ284-201015- Bighorn National Forest- 230 PM MDT Thu Sep 19 2024 .Tonight... * Sky/weather...........Mostly clear. * Min temperature.......34-39. * 24 hr trend.........6 degrees cooler. * Max humidity..........76-81 percent. * 24 hr trend.........4 percent drier. * Wind (20 ft) * At Burgess Jct.......Southwest winds 5 to 15 mph. * LAL...................1...no thunderstorms. * CWR...................Zero. .FRIDAY... * Sky/weather...........Sunny. * Max temperature.......57-62. * 24 hr trend.........3 degrees warmer. * Min humidity..........32-37 percent. * 24 hr trend.........10 percent drier. * Wind (20 ft) * At Burgess Jct.......Southwest winds 10 to 20 mph. * LAL...................1...no thunderstorms. * CWR...................Zero. * Haines index..........3. .FRIDAY NIGHT... * Sky/weather...........Mostly clear in the evening then becoming mostly cloudy. * Min temperature.......26-31. * 24 hr trend.........8 degrees cooler. * Max humidity..........100 percent. * 24 hr trend.........22 percent wetter. * Wind (20 ft) * At Burgess Jct.......Northwest winds 5 to 15 mph. * LAL...................1...no thunderstorms. * CWR...................Zero. .SATURDAY... * Sky/weather...........Mostly sunny. * Max temperature.......46-51. * 24 hr trend.........11 degrees cooler. * Min humidity..........55-60 percent. * 24 hr trend.........23 percent wetter. * Wind (20 ft) * At Burgess Jct.......North winds 5 to 15 mph. * LAL...................1...no thunderstorms. * CWR...................Zero. * Haines index..........2. .Forecast days 3 through 7...... .SATURDAY NIGHT...Partly cloudy. Lows 28 to 33. South winds 5 to 15 mph. .SUNDAY...Mostly clear. Lows 33 to 38. Highs 54 to 59. Southwest winds 5 to 10 mph. .MONDAY...Mostly cloudy. Scattered showers. Lows 30 to 35. Highs 47 to 52. Northwest winds 5 to 15 mph. .TUESDAY...Mostly clear. Lows 33 to 38. Highs 53 to 58. West winds 5 to 15 mph. .WEDNESDAY...Mostly clear. Lows 38 to 43. Highs 62 to 67. .THURSDAY...Sunny. Highs 63 to 68. $$ weather.gov/billings