


Routine Fire Wx Fcst (With/Without 6-10 Day Outlook)
Issued by NWS Billings, MT
Issued by NWS Billings, MT
514 FNUS55 KBYZ 081932 FWFBYZ Fire Weather Planning Forecast for SCen and SErn Montana National Weather Service Billings MT 132 PM MDT Fri Aug 8 2025 .DISCUSSION... Cooler conditions are expected to prevail Saturday with temperatures in the mid 70s to low 80s F and 10-20% chances for precipitation. Sunday through Wednesday are expected to return to more seasonal conditions with temperatures in the 80s and low 90s F and minimum relative humidity values generally in the 20s. No strong wind events forecast. Torgerson MTZ123-091030- Gallatin National Forest- 132 PM MDT Fri Aug 8 2025 .Tonight... * Sky/weather...........Partly cloudy. * Min temperature.......41-51 at 5000 feet...35-45 at 7000 feet. * 24 hr trend.........4 degrees warmer. * Max humidity..........68-78 percent at 5000 feet...66-76 percent at 7000 feet. * 24 hr trend.........30 percent drier. * Wind (20 ft) * Slope/valley.........West winds 5 to 10 mph. * Ridgetop.............West 15 to 25 mph. * Chance of lightning...3 percent. * CWR...................Zero. .SATURDAY... * Sky/weather...........Mostly sunny. * Max temperature.......69-78 at 5000 feet...57-67 at 7000 feet. * 24 hr trend.........4 degrees warmer. * Min humidity..........24-34 percent at 5000 feet...29-39 percent at 7000 feet. * 24 hr trend.........Unchanged. * Wind (20 ft) * Slope/valley.........Northwest winds 5 to 10 mph. * Ridgetop.............West 5 to 15 mph. * Chance of lightning...5 percent. * CWR...................Zero. .SATURDAY NIGHT... * Sky/weather...........Partly cloudy. * Min temperature.......43-53 at 5000 feet...39-49 at 7000 feet. * 24 hr trend.........3 degrees warmer. * Max humidity..........54-59 percent. * 24 hr trend.........10 percent drier. * Wind (20 ft) * Slope/valley.........Northwest winds 5 to 10 mph in the evening becoming light overnight. * Ridgetop.............Northwest 5 to 15 mph. * Chance of lightning...1 percent. * CWR...................Zero. .SUNDAY... * Sky/weather...........Sunny. * Max temperature.......75-84 at 5000 feet...62-72 at 7000 feet. * 24 hr trend.........6 degrees warmer. * Min humidity..........21-26 percent. * 24 hr trend.........3 percent drier. * Wind (20 ft) * Slope/valley.........West winds 5 to 10 mph. * Ridgetop.............Northwest 5 to 15 mph. * Chance of lightning...1 percent. * CWR...................Zero. .Forecast days 3 through 7...... .SUNDAY NIGHT...Mostly clear. Lows 47 to 57. West winds 5 to 10 mph. .MONDAY...Mostly clear. Lows 49 to 59. Highs 79 to 89. Southwest winds 5 to 10 mph. .TUESDAY...Mostly clear. Lows 49 to 59. Highs 82 to 92. Southwest winds 5 to 10 mph. .WEDNESDAY...Mostly clear. Lows 50 to 60. Highs 83 to 93. Southwest winds 5 to 15 mph. .THURSDAY...Partly cloudy. Isolated showers and thunderstorms. Lows 47 to 57. Highs 82 to 92. .FRIDAY...Mostly sunny. Highs 76 to 86. $$ MTZ124-091030- Wheatland County/Sweet Grass County- 132 PM MDT Fri Aug 8 2025 .Tonight... * Sky/weather...........Mostly clear. * Min temperature.......47-52. * 24 hr trend.........2 degrees warmer. * Max humidity..........69-74 percent. * 24 hr trend.........6 percent drier. * Wind (20 ft) * Plains...............West winds 15 to 25 mph. Gusts up to 40 mph in the evening decreasing to 30 mph overnight. * Chance of lightning...9 percent. * CWR...................Zero. .SATURDAY... * Sky/weather...........Mostly sunny. * Max temperature.......72-77. * 24 hr trend.........3 degrees warmer. * Min humidity..........33-38 percent. * 24 hr trend.........2 percent wetter. * Wind (20 ft) * Plains...............Northwest winds 15 to 25 mph with gusts to around 30 mph. * Chance of lightning...12 percent. * CWR...................Zero. .SATURDAY NIGHT... * Sky/weather...........Partly cloudy. * Min temperature.......46-51. * 24 hr trend.........1 degree cooler. * Max humidity..........76-81 percent. * 24 hr trend.........7 percent wetter. * Wind (20 ft) * Plains...............West winds 5 to 15 mph. * Chance of lightning...2 percent. * CWR...................Zero. .SUNDAY... * Sky/weather...........Sunny. * Max temperature.......78-83. * 24 hr trend.........6 degrees warmer. * Min humidity..........24-29 percent. * 24 hr trend.........9 percent drier. * Wind (20 ft) * Plains...............West winds 5 to 15 mph. * Chance of lightning...4 percent. * CWR...................Zero. .Forecast days 3 through 7...... .SUNDAY NIGHT...Partly cloudy. Lows 49 to 54. Northwest winds 5 to 15 mph. .MONDAY...Mostly clear. Lows 51 to 56. Highs 82 to 87. Northwest winds 5 to 15 mph. .TUESDAY...Mostly clear. Lows 51 to 56. Highs 83 to 88. Northwest winds 5 to 15 mph. .WEDNESDAY...Mostly clear. Lows 51 to 56. Highs 84 to 89. West winds 5 to 15 mph. .THURSDAY...Partly cloudy. Isolated showers and thunderstorms. Lows 49 to 54. Highs 84 to 89. .FRIDAY...Mostly sunny. Highs 77 to 82. $$ MTZ125-091030- Stillwater County- 132 PM MDT Fri Aug 8 2025 .Tonight... * Sky/weather...........Mostly clear. * Min temperature.......47-52. * 24 hr trend.........1 degree cooler. * Max humidity..........61-66 percent. * 24 hr trend.........12 percent drier. * Wind (20 ft) * Plains...............West winds 10 to 20 mph. Gusts up to 30 mph in the evening. * Chance of lightning...2 percent. * CWR...................Zero. .SATURDAY... * Sky/weather...........Sunny. * Max temperature.......76-81. * 24 hr trend.........4 degrees warmer. * Min humidity..........25-30 percent. * 24 hr trend.........3 percent wetter. * Wind (20 ft) * Plains...............Northwest winds 10 to 20 mph. * Chance of lightning...8 percent. * CWR...................Zero. .SATURDAY NIGHT... * Sky/weather...........Partly cloudy. * Min temperature.......49-54. * 24 hr trend.........2 degrees warmer. * Max humidity..........60-65 percent. * 24 hr trend.........1 percent drier. * Wind (20 ft) * Plains...............West winds 5 to 15 mph. * Chance of lightning...3 percent. * CWR...................Zero. .SUNDAY... * Sky/weather...........Sunny. * Max temperature.......79-84. * 24 hr trend.........3 degrees warmer. * Min humidity..........22-27 percent. * 24 hr trend.........3 percent drier. * Wind (20 ft) * Plains...............Northwest winds 5 to 10 mph. * Chance of lightning...4 percent. * CWR...................Zero. .Forecast days 3 through 7...... .SUNDAY NIGHT...Partly cloudy. Lows 53 to 58. West winds 5 to 15 mph. .MONDAY...Mostly clear. Lows 55 to 60. Highs 84 to 89. Northwest winds 5 to 10 mph. .TUESDAY...Partly cloudy. Lows 54 to 59. Highs 86 to 91. North winds 5 to 10 mph. .WEDNESDAY...Mostly clear. Lows 55 to 60. Highs 87 to 92. South winds 5 to 10 mph. .THURSDAY...Partly cloudy. Isolated showers and thunderstorms. Lows 53 to 58. Highs 87 to 92. .FRIDAY...Mostly sunny. Highs 80 to 85. $$ MTZ126-091030- Beartooth Ranger District Custer National Forest- 132 PM MDT Fri Aug 8 2025 .Tonight... * Sky/weather...........Mostly clear. * Min temperature.......49-54 at 5000 feet...39-49 at 7000 feet. * 24 hr trend.........1 degree cooler. * Max humidity..........51-61 percent at 5000 feet...56-66 percent at 7000 feet. * 24 hr trend.........26 percent drier. * Wind (20 ft) * Slope/valley.........West winds 5 to 15 mph. * Ridgetop.............West 10 to 20 mph. * Chance of lightning...4 percent. * CWR...................Zero. .SATURDAY... * Sky/weather...........Sunny in the morning then becoming mostly cloudy. * Max temperature.......69-77 at 5000 feet...60-70 at 7000 feet. * 24 hr trend.........1 degree warmer. * Min humidity..........26-36 percent at 5000 feet...31-41 percent at 7000 feet. * 24 hr trend.........9 percent wetter. * Wind (20 ft) * Slope/valley.........Northwest winds 5 to 15 mph. * Ridgetop.............Northwest 5 to 15 mph. * Chance of lightning...7 percent. * CWR...................Zero. .SATURDAY NIGHT... * Sky/weather...........Partly cloudy. * Min temperature.......50-56 at 5000 feet...41-51 at 7000 feet. * 24 hr trend.........2 degrees warmer. * Max humidity..........53-63 percent at 5000 feet...57-67 percent at 7000 feet. * 24 hr trend.........3 percent wetter. * Wind (20 ft) * Slope/valley.........West winds 5 to 15 mph. * Ridgetop.............Northwest 5 to 15 mph. * Chance of lightning...3 percent. * CWR...................Zero. .SUNDAY... * Sky/weather...........Mostly sunny. * Max temperature.......73-81 at 5000 feet...63-73 at 7000 feet. * 24 hr trend.........4 degrees warmer. * Min humidity..........22-32 percent at 5000 feet...27-37 percent at 7000 feet. * 24 hr trend.........3 percent drier. * Wind (20 ft) * Slope/valley.........West winds 5 to 10 mph in the morning shifting to the northeast in the afternoon. * Ridgetop.............West 5 to 10 mph. * Chance of lightning...4 percent. * CWR...................Zero. .Forecast days 3 through 7...... .SUNDAY NIGHT...Partly cloudy. Lows 54 to 60. West winds 5 to 15 mph. .MONDAY...Partly cloudy. Lows 55 to 62. Highs 77 to 86. West winds 5 to 10 mph. .TUESDAY...Partly cloudy. Lows 55 to 62. Highs 81 to 90. Northwest winds 5 to 15 mph. .WEDNESDAY...Partly cloudy. Lows 56 to 64. Highs 81 to 89. West winds 5 to 15 mph. .THURSDAY...Partly cloudy. Isolated showers and thunderstorms. Lows 55 to 60. Highs 82 to 90. .FRIDAY...Mostly sunny. Isolated showers and thunderstorms. Highs 78 to 85. $$ MTZ127-091030- Golden Valley County/Musselshell county- 132 PM MDT Fri Aug 8 2025 .Tonight... * Sky/weather...........Partly cloudy. * Min temperature.......54-59. * 24 hr trend.........5 degrees warmer. * Max humidity..........56-61 percent. * 24 hr trend.........35 percent drier. * Wind (20 ft) * Plains...............West winds 10 to 20 mph. * Chance of lightning...9 percent. * CWR...................Zero. .SATURDAY... * Sky/weather...........Sunny. * Max temperature.......72-77. * 24 hr trend.........4 degrees warmer. * Min humidity..........40-45 percent. * 24 hr trend.........6 percent wetter. * Wind (20 ft) * Plains...............Northwest winds 15 to 25 mph with gusts to around 30 mph. * Chance of lightning...6 percent. * CWR...................Zero. .SATURDAY NIGHT... * Sky/weather...........Mostly clear. * Min temperature.......54-59. * 24 hr trend.........Unchanged. * Max humidity..........65-70 percent. * 24 hr trend.........9 percent wetter. * Wind (20 ft) * Plains...............Northwest winds 5 to 10 mph. * Chance of lightning...4 percent. * CWR...................Zero. .SUNDAY... * Sky/weather...........Sunny. * Max temperature.......78-83. * 24 hr trend.........6 degrees warmer. * Min humidity..........28-33 percent. * 24 hr trend.........12 percent drier. * Wind (20 ft) * Plains...............West winds 5 to 10 mph. * Chance of lightning...3 percent. * CWR...................Zero. .Forecast days 3 through 7...... .SUNDAY NIGHT...Partly cloudy. Lows 57 to 62. Northwest winds 5 to 10 mph. .MONDAY...Mostly clear. Lows 60 to 65. Highs 80 to 85. North winds 5 to 10 mph. .TUESDAY...Mostly clear. Lows 57 to 62. Highs 83 to 88. North winds 5 to 10 mph. .WEDNESDAY...Mostly clear. Lows 59 to 64. Highs 83 to 88. Northwest winds 5 to 10 mph. .THURSDAY...Partly cloudy. Isolated showers and thunderstorms. Lows 57 to 62. Highs 84 to 89. .FRIDAY...Mostly sunny. Highs 77 to 82. $$ MTZ128-091030- Yellowstone County- 132 PM MDT Fri Aug 8 2025 .Tonight... * Sky/weather...........Partly cloudy. * Min temperature.......54-59. * 24 hr trend.........1 degree cooler. * Max humidity..........55-60 percent. * 24 hr trend.........30 percent drier. * Wind (20 ft) * Plains...............West winds 10 to 20 mph. * Chance of lightning...3 percent. * CWR...................Zero. .SATURDAY... * Sky/weather...........Sunny. * Max temperature.......78-83. * 24 hr trend.........4 degrees warmer. * Min humidity..........31-36 percent. * 24 hr trend.........6 percent wetter. * Wind (20 ft) * Plains...............Northwest winds 10 to 20 mph. * Chance of lightning...5 percent. * CWR...................Zero. .SATURDAY NIGHT... * Sky/weather...........Partly cloudy. * Min temperature.......53-58. * 24 hr trend.........1 degree cooler. * Max humidity..........67-72 percent. * 24 hr trend.........12 percent wetter. * Wind (20 ft) * Plains...............West winds 5 to 15 mph. * Chance of lightning...3 percent. * CWR...................Zero. .SUNDAY... * Sky/weather...........Sunny. * Max temperature.......83-88. * 24 hr trend.........5 degrees warmer. * Min humidity..........22-27 percent. * 24 hr trend.........9 percent drier. * Wind (20 ft) * Plains...............West winds 5 to 10 mph. * Chance of lightning...3 percent. * CWR...................Zero. .Forecast days 3 through 7...... .SUNDAY NIGHT...Partly cloudy. Lows 57 to 62. Northwest winds 5 to 15 mph. .MONDAY...Mostly clear. Lows 58 to 63. Highs 86 to 91. North winds 5 to 10 mph. .TUESDAY...Mostly clear. Lows 58 to 63. Highs 88 to 93. North winds 5 to 10 mph. .WEDNESDAY...Partly cloudy. Lows 59 to 64. Highs 89 to 94. North winds 5 to 15 mph. .THURSDAY...Partly cloudy. Lows 57 to 62. Highs 90 to 95. .FRIDAY...Mostly sunny. Highs 83 to 88. $$ MTZ129-091030- Crow Indian Reservation/Bighorn Canyon Rec Area- 132 PM MDT Fri Aug 8 2025 .Tonight... * Sky/weather...........Mostly clear. * Min temperature.......49-55 at 5000 feet...45-51 at 7000 feet. * 24 hr trend.........1 degree warmer. * Max humidity..........57-62 percent. * 24 hr trend.........41 percent drier. * Wind (20 ft) * Slope/valley.........West winds 5 to 15 mph. * Ridgetop.............West 20 to 35 mph. * Chance of lightning...3 percent. * CWR...................Zero. .SATURDAY... * Sky/weather...........Sunny. * Max temperature.......67-77 at 5000 feet...59-67 at 7000 feet. * 24 hr trend.........3 degrees warmer. * Min humidity..........27-37 percent at 5000 feet...38-48 percent at 7000 feet. * 24 hr trend.........5 percent wetter. * Wind (20 ft) * Slope/valley.........Northwest winds 10 to 20 mph with gusts to around 30 mph. * Ridgetop.............West 20 to 35 mph. * Chance of lightning...4 percent. * CWR...................Zero. .SATURDAY NIGHT... * Sky/weather...........Partly cloudy. * Min temperature.......50-56 at 5000 feet...47-52 at 7000 feet. * 24 hr trend.........1 degree warmer. * Max humidity..........58-68 percent at 5000 feet...57-64 percent at 7000 feet. * 24 hr trend.........7 percent wetter. * Wind (20 ft) * Slope/valley.........West winds 5 to 15 mph. * Ridgetop.............Northwest 10 to 20 mph. * Chance of lightning...3 percent. * CWR...................Zero. .SUNDAY... * Sky/weather...........Sunny. * Max temperature.......72-82 at 5000 feet...63-71 at 7000 feet. * 24 hr trend.........5 degrees warmer. * Min humidity..........22-32 percent at 5000 feet...32-42 percent at 7000 feet. * 24 hr trend.........9 percent drier. * Wind (20 ft) * Slope/valley.........West winds 5 to 15 mph. * Ridgetop.............West 10 to 20 mph. * Chance of lightning...3 percent. * CWR...................Zero. .Forecast days 3 through 7...... .SUNDAY NIGHT...Partly cloudy. Lows 55 to 60. Southwest winds 5 to 10 mph. .MONDAY...Mostly clear. Lows 57 to 63. Highs 76 to 86. North winds 5 to 15 mph. .TUESDAY...Mostly clear. Lows 57 to 62. Highs 79 to 89. East winds 5 to 10 mph. .WEDNESDAY...Mostly clear. Lows 58 to 65. Highs 80 to 90. Southeast winds 5 to 15 mph. .THURSDAY...Partly cloudy. Isolated showers and thunderstorms. Lows 56 to 61. Highs 81 to 91. .FRIDAY...Mostly sunny. Highs 75 to 85. $$ MTZ130-091030- Northern Rosebud/Northern Treasure Counties- 132 PM MDT Fri Aug 8 2025 .Tonight... * Sky/weather...........Mostly cloudy. * Min temperature.......57-62. * 24 hr trend.........3 degrees warmer. * Max humidity..........60-65 percent. * 24 hr trend.........31 percent drier. * Wind (20 ft) * Plains...............West winds 10 to 20 mph. * Chance of lightning...8 percent. * CWR...................Zero. .SATURDAY... * Sky/weather...........Mostly sunny. * Max temperature.......76-81. * 24 hr trend.........4 degrees warmer. * Min humidity..........38-43 percent. * 24 hr trend.........3 percent wetter. * Wind (20 ft) * Plains...............Northwest winds 15 to 25 mph with gusts to around 30 mph. * Chance of lightning...7 percent. * CWR...................Zero. .SATURDAY NIGHT... * Sky/weather...........Partly cloudy. Areas of smoke through the night. * Min temperature.......54-59. * 24 hr trend.........3 degrees cooler. * Max humidity..........76-81 percent. * 24 hr trend.........16 percent wetter. * Wind (20 ft) * Plains...............West winds 5 to 10 mph. * Chance of lightning...3 percent. * CWR...................Zero. .SUNDAY... * Sky/weather...........Sunny. * Max temperature.......82-87. * 24 hr trend.........6 degrees warmer. * Min humidity..........24-29 percent. * 24 hr trend.........14 percent drier. * Wind (20 ft) * Plains...............West winds 5 to 10 mph. * Chance of lightning...3 percent. * CWR...................Zero. .Forecast days 3 through 7...... .SUNDAY NIGHT...Partly cloudy. Lows 57 to 62. West winds 5 to 10 mph. .MONDAY...Mostly clear. Lows 58 to 63. Highs 84 to 89. North winds 5 to 10 mph. .TUESDAY...Mostly clear. Lows 60 to 65. Highs 88 to 93. East winds 5 to 10 mph. .WEDNESDAY...Mostly clear. Lows 61 to 66. Highs 89 to 94. East winds 5 to 10 mph. .THURSDAY...Partly cloudy. Isolated showers and thunderstorms. Lows 58 to 63. Highs 90 to 95. .FRIDAY...Mostly sunny. Highs 83 to 88. $$ MTZ131-091030- Northern Cheyenne Indian Reservation/Ashland Ranger District Custer Natl Forest- 132 PM MDT Fri Aug 8 2025 .Tonight... * Sky/weather...........Mostly clear. * Min temperature.......51-56. * 24 hr trend.........5 degrees cooler. * Max humidity..........61-66 percent. * 24 hr trend.........20 percent drier. * Wind (20 ft) * Slope/valley.........West winds 5 to 15 mph. * Ridgetop.............West 25 to 40 mph. * Chance of lightning...2 percent. * CWR...................Zero. .SATURDAY... * Sky/weather...........Sunny. * Max temperature.......76-81. * 24 hr trend.........4 degrees warmer. * Min humidity..........31-36 percent. * 24 hr trend.........4 percent wetter. * Wind (20 ft) * Slope/valley.........West winds 10 to 20 mph with gusts to around 30 mph. * Ridgetop.............West 25 to 40 mph. * Chance of lightning...3 percent. * CWR...................Zero. .SATURDAY NIGHT... * Sky/weather...........Partly cloudy. * Min temperature.......51-56. * 24 hr trend.........Unchanged. * Max humidity..........77-82 percent. * 24 hr trend.........16 percent wetter. * Wind (20 ft) * Slope/valley.........West winds 5 to 10 mph. * Ridgetop.............Northwest 15 to 30 mph. * Chance of lightning...2 percent. * CWR...................Zero. .SUNDAY... * Sky/weather...........Sunny. * Max temperature.......80-85. * 24 hr trend.........4 degrees warmer. * Min humidity..........24-29 percent. * 24 hr trend.........7 percent drier. * Wind (20 ft) * Slope/valley.........West winds 5 to 10 mph. * Ridgetop.............West 10 to 20 mph. * Chance of lightning...3 percent. * CWR...................Zero. .Forecast days 3 through 7...... .SUNDAY NIGHT...Partly cloudy. Lows 54 to 59. West winds 5 to 10 mph. .MONDAY...Partly cloudy. Lows 56 to 61. Highs 83 to 88. North winds 5 to 10 mph. .TUESDAY...Mostly clear. Lows 58 to 63. Highs 88 to 93. East winds 5 to 10 mph. .WEDNESDAY...Mostly clear. Lows 59 to 64. Highs 88 to 93. East winds 5 to 10 mph. .THURSDAY...Partly cloudy. Isolated showers and thunderstorms. Lows 57 to 62. Highs 90 to 95. .FRIDAY...Mostly sunny. Highs 84 to 89. $$ MTZ132-091030- Custer County- 132 PM MDT Fri Aug 8 2025 .Tonight... * Sky/weather...........Partly cloudy. * Min temperature.......54-59. * 24 hr trend.........1 degree cooler. * Max humidity..........65-70 percent. * 24 hr trend.........26 percent drier. * Wind (20 ft) * Plains...............West winds 10 to 20 mph with gusts to around 30 mph. * Chance of lightning...5 percent. * CWR...................Zero. .SATURDAY... * Sky/weather...........Mostly sunny. * Max temperature.......71-76. * 24 hr trend.........1 degree warmer. * Min humidity..........48-53 percent. * 24 hr trend.........9 percent wetter. * Wind (20 ft) * Plains...............West winds 15 to 25 mph with gusts to around 35 mph. * Chance of lightning...6 percent. * CWR...................Zero. .SATURDAY NIGHT... * Sky/weather...........Partly cloudy. Areas of smoke through the night. * Min temperature.......52-57. * 24 hr trend.........2 degrees cooler. * Max humidity..........83-88 percent. * 24 hr trend.........18 percent wetter. * Wind (20 ft) * Plains...............West winds 5 to 15 mph. Gusts up to 30 mph in the evening. * Chance of lightning...1 percent. * CWR...................Zero. .SUNDAY... * Sky/weather...........Sunny. Areas of smoke in the morning. * Max temperature.......77-82. * 24 hr trend.........6 degrees warmer. * Min humidity..........31-36 percent. * 24 hr trend.........17 percent drier. * Wind (20 ft) * Plains...............West winds 5 to 15 mph. * Chance of lightning...3 percent. * CWR...................Zero. .Forecast days 3 through 7...... .SUNDAY NIGHT...Partly cloudy. Lows 56 to 61. Southwest winds 5 to 10 mph. .MONDAY...Mostly clear. Lows 58 to 63. Highs 80 to 85. North winds 5 to 10 mph. .TUESDAY...Mostly clear. Lows 60 to 65. Highs 84 to 89. East winds 5 to 15 mph. .WEDNESDAY...Mostly clear. Lows 60 to 65. Highs 85 to 90. Southeast winds 5 to 15 mph. .THURSDAY...Partly cloudy. Isolated showers. Lows 58 to 63. Highs 87 to 92. .FRIDAY...Mostly sunny. Highs 80 to 85. $$ MTZ133-091030- Sioux Ranger District Custer National Forest- 132 PM MDT Fri Aug 8 2025 .Tonight... * Sky/weather...........Mostly clear. * Min temperature.......52-57. * 24 hr trend.........7 degrees cooler. * Max humidity..........60-65 percent. * 24 hr trend.........25 percent drier. * Wind (20 ft) * Plains...............West winds 10 to 20 mph with gusts to around 30 mph. * Chance of lightning...3 percent. * CWR...................Zero. .SATURDAY... * Sky/weather...........Sunny. * Max temperature.......75-80. * 24 hr trend.........1 degree warmer. * Min humidity..........38-43 percent. * 24 hr trend.........2 percent wetter. * Wind (20 ft) * Plains...............West winds 15 to 25 mph with gusts to around 35 mph. * Chance of lightning...3 percent. * CWR...................Zero. .SATURDAY NIGHT... * Sky/weather...........Mostly clear. Areas of smoke overnight. * Min temperature.......52-57. * 24 hr trend.........Unchanged. * Max humidity..........82-87 percent. * 24 hr trend.........22 percent wetter. * Wind (20 ft) * Plains...............West winds 5 to 15 mph. Gusts up to 30 mph in the evening. * Chance of lightning...1 percent. * CWR...................Zero. .SUNDAY... * Sky/weather...........Sunny. Areas of smoke in the morning. * Max temperature.......78-83. * 24 hr trend.........3 degrees warmer. * Min humidity..........32-37 percent. * 24 hr trend.........6 percent drier. * Wind (20 ft) * Plains...............Northwest winds 5 to 15 mph. * Chance of lightning...3 percent. * CWR...................Zero. .Forecast days 3 through 7...... .SUNDAY NIGHT...Partly cloudy. Lows 57 to 62. West winds 5 to 15 mph. .MONDAY...Mostly clear. Lows 57 to 62. Highs 82 to 87. Northwest winds 5 to 15 mph. .TUESDAY...Mostly clear. Isolated showers. Lows 59 to 64. Highs 86 to 91. Southeast winds 5 to 15 mph. .WEDNESDAY...Mostly clear. Isolated showers and thunderstorms. Lows 59 to 64. Highs 85 to 90. Southeast winds 5 to 15 mph. .THURSDAY...Partly cloudy. Scattered showers and isolated thunderstorms. Lows 60 to 65. Highs 88 to 93. .FRIDAY...Mostly sunny. Highs 83 to 88. $$ WYZ274-091030- Sheridan County- 132 PM MDT Fri Aug 8 2025 .Tonight... * Sky/weather...........Mostly clear. * Min temperature.......47-52. * 24 hr trend.........6 degrees cooler. * Max humidity..........69-74 percent. * 24 hr trend.........1 percent drier. * Wind (20 ft) * Slope/valley.........West winds 5 to 15 mph. * Ridgetop.............West 15 to 25 mph. * Chance of lightning...1 percent. * CWR...................Zero. .SATURDAY... * Sky/weather...........Sunny. * Max temperature.......76-81. * 24 hr trend.........4 degrees warmer. * Min humidity..........31-36 percent. * 24 hr trend.........3 percent wetter. * Wind (20 ft) * Slope/valley.........Northwest winds 10 to 20 mph. * Ridgetop.............West 15 to 25 mph. * Chance of lightning...3 percent. * CWR...................Zero. .SATURDAY NIGHT... * Sky/weather...........Partly cloudy. * Min temperature.......48-53. * 24 hr trend.........1 degree warmer. * Max humidity..........78-83 percent. * 24 hr trend.........9 percent wetter. * Wind (20 ft) * Slope/valley.........West winds 5 to 10 mph. * Ridgetop.............Northwest 10 to 20 mph. * Chance of lightning...2 percent. * CWR...................Zero. .SUNDAY... * Sky/weather...........Sunny. * Max temperature.......79-84. * 24 hr trend.........3 degrees warmer. * Min humidity..........28-33 percent. * 24 hr trend.........3 percent drier. * Wind (20 ft) * Slope/valley.........Light winds in the morning becoming north 5 to 10 mph in the afternoon. * Ridgetop.............West 5 to 15 mph. * Chance of lightning...5 percent. * CWR...................Zero. .Forecast days 3 through 7...... .SUNDAY NIGHT...Partly cloudy. Lows 51 to 56. West winds 5 to 10 mph. .MONDAY...Mostly clear. Lows 53 to 58. Highs 83 to 88. West winds 5 to 10 mph. .TUESDAY...Mostly clear. Lows 54 to 59. Highs 88 to 93. North winds 5 to 10 mph. .WEDNESDAY...Mostly clear. Lows 56 to 61. Highs 88 to 93. South winds 5 to 10 mph. .THURSDAY...Partly cloudy. Lows 55 to 60. Highs 90 to 95. .FRIDAY...Mostly sunny. Highs 84 to 89. $$ WYZ284-091030- Bighorn National Forest- 132 PM MDT Fri Aug 8 2025 .Tonight... * Sky/weather...........Mostly clear. * Min temperature.......36-41. * 24 hr trend.........6 degrees cooler. * Max humidity..........73-78 percent. * 24 hr trend.........14 percent drier. * Wind (20 ft) * At Burgess Jct.......West winds 5 to 15 mph. * Chance of lightning...2 percent. * CWR...................Zero. .SATURDAY... * Sky/weather...........Sunny in the morning then becoming partly sunny. * Max temperature.......60-65. * 24 hr trend.........3 degrees warmer. * Min humidity..........30-35 percent. * 24 hr trend.........1 percent wetter. * Wind (20 ft) * At Burgess Jct.......West winds 10 to 20 mph. * Chance of lightning...5 percent. * CWR...................Zero. .SATURDAY NIGHT... * Sky/weather...........Partly cloudy. * Min temperature.......37-42. * 24 hr trend.........1 degree warmer. * Max humidity..........82-87 percent. * 24 hr trend.........9 percent wetter. * Wind (20 ft) * At Burgess Jct.......West winds 5 to 15 mph. * Chance of lightning...3 percent. * CWR...................Zero. .SUNDAY... * Sky/weather...........Mostly sunny. * Max temperature.......61-66. * 24 hr trend.........1 degree warmer. * Min humidity..........33-38 percent. * 24 hr trend.........3 percent wetter. * Wind (20 ft) * At Burgess Jct.......Northwest winds 5 to 15 mph. * Chance of lightning...6 percent. * CWR...................Zero. .Forecast days 3 through 7...... .SUNDAY NIGHT...Partly cloudy. Lows 42 to 47. West winds 5 to 15 mph. .MONDAY...Partly cloudy. Lows 44 to 49. Highs 67 to 72. West winds 5 to 15 mph. .TUESDAY...Mostly clear. Lows 46 to 51. Highs 72 to 77. South winds 5 to 15 mph. .WEDNESDAY...Mostly clear. Lows 48 to 53. Highs 73 to 78. Southwest winds 5 to 15 mph. .THURSDAY...Partly cloudy. Isolated showers and thunderstorms. Lows 46 to 51. Highs 74 to 79. .FRIDAY...Sunny. Highs 69 to 74. $$ weather.gov/billings