Routine Fire Wx Fcst (With/Without 6-10 Day Outlook)
Issued by NWS Billings, MT
Issued by NWS Billings, MT
492 FNUS55 KBYZ 121950 FWFBYZ Fire Weather Planning Forecast for SCen and SErn Montana National Weather Service Billings MT 150 PM MDT Sat Jul 12 2025 .DISCUSSION... ...Hot and Dry conditions for the weekend... Temperatures quickly rebounded today, with highs already approaching 90 as of 1pm. Humidities will continue to drop into the upper teens later this afternoon, with winds continuing to gust 15 to 25 mph. Similar conditions are expected on Sunday. Cold front is expected on Monday, but timing is still highly uncertain, and the following days will see below normal temperatures and off and on wet periods for much of the work week. Vertz MTZ123-131015- Gallatin National Forest- 150 PM MDT Sat Jul 12 2025 .Tonight... * Sky/weather...........Mostly clear. * Min temperature.......51-61 at 5000 feet...47-57 at 7000 feet. * 24 hr trend.........5 degrees warmer. * Max humidity..........48-58 percent at 5000 feet...46-56 percent at 7000 feet. * 24 hr trend.........12 percent drier. * Wind (20 ft) * Slope/valley.........North winds 5 to 10 mph in the evening becoming light overnight. * Ridgetop.............North 5 to 15 mph. * Chance of lightning...0 percent. * CWR...................Zero. .SUNDAY... * Sky/weather...........Sunny. * Max temperature.......85-95 at 5000 feet...73-83 at 7000 feet. * 24 hr trend.........3 degrees warmer. * Min humidity..........17-22 percent. * 24 hr trend.........3 percent wetter. * Wind (20 ft) * Slope/valley.........South winds 5 to 10 mph in the morning shifting to the northwest in the afternoon. * Ridgetop.............Northwest 5 to 15 mph. * Chance of lightning...3 percent. * CWR...................Zero. .SUNDAY NIGHT... * Sky/weather...........Mostly clear. * Min temperature.......54-64 at 5000 feet...51-61 at 7000 feet. * 24 hr trend.........3 degrees warmer. * Max humidity..........48-53 percent. * 24 hr trend.........6 percent wetter. * Wind (20 ft) * Slope/valley.........Northeast winds 5 to 10 mph in the evening becoming light overnight. * Ridgetop.............South 5 to 10 mph. * Chance of lightning...11 percent. * CWR...................Zero. .MONDAY... * Sky/weather...........Sunny. Isolated showers and thunderstorms in the afternoon. * Max temperature.......86-96 at 5000 feet...73-83 at 7000 feet. * 24 hr trend.........1 degree warmer. * Min humidity..........17-22 percent. * 24 hr trend.........Unchanged. * Wind (20 ft) * Slope/valley.........Light winds in the morning becoming northwest 5 to 10 mph in the afternoon. * Ridgetop.............Northwest 5 to 15 mph. * Chance of lightning...19 percent. * CWR...................Less than 10 percent. .Forecast days 3 through 7...... .MONDAY NIGHT...Mostly cloudy. Scattered showers and thunderstorms. Lows 49 to 59. Northwest winds 5 to 10 mph. .TUESDAY...Cooler. Mostly cloudy. Numerous showers and scattered thunderstorms. Lows 45 to 55. Highs 68 to 78. Northeast winds 5 to 10 mph. .WEDNESDAY...Partly cloudy. Scattered showers and thunderstorms. Lows 42 to 52. Highs 69 to 79. Northeast winds 5 to 10 mph. .THURSDAY...Partly cloudy. Isolated showers and thunderstorms. Lows 45 to 55. Highs 75 to 85. West winds 5 to 10 mph. .FRIDAY...Partly cloudy. Isolated showers and thunderstorms. Lows 46 to 56. Highs 79 to 89. .SATURDAY...Sunny. Highs 81 to 91. $$ MTZ124-131015- Wheatland County/Sweet Grass County- 150 PM MDT Sat Jul 12 2025 .Tonight... * Sky/weather...........Mostly clear. * Min temperature.......53-58. * 24 hr trend.........9 degrees warmer. * Max humidity..........59-64 percent. * 24 hr trend.........19 percent drier. * Wind (20 ft) * Plains...............West winds 5 to 15 mph. * Chance of lightning...2 percent. * CWR...................Zero. .SUNDAY... * Sky/weather...........Sunny. * Max temperature.......87-92. * 24 hr trend.........3 degrees warmer. * Min humidity..........19-24 percent. * 24 hr trend.........2 percent wetter. * Wind (20 ft) * Plains...............West winds 5 to 15 mph. * Chance of lightning...4 percent. * CWR...................Zero. .SUNDAY NIGHT... * Sky/weather...........Mostly clear. * Min temperature.......56-61. * 24 hr trend.........3 degrees warmer. * Max humidity..........62-67 percent. * 24 hr trend.........3 percent wetter. * Wind (20 ft) * Plains...............West winds 5 to 15 mph. * Chance of lightning...7 percent. * CWR...................Zero. .MONDAY... * Sky/weather...........Sunny. Isolated showers and thunderstorms in the afternoon. * Max temperature.......87-92. * 24 hr trend.........Unchanged. * Min humidity..........23-28 percent. * 24 hr trend.........4 percent wetter. * Wind (20 ft) * Plains...............West winds 5 to 15 mph. * Chance of lightning...20 percent. * CWR...................Less than 10 percent. .Forecast days 3 through 7...... .MONDAY NIGHT...Mostly cloudy. Scattered showers and thunderstorms. Lows 50 to 55. North winds 10 to 20 mph. .TUESDAY...Much cooler. Cloudy. Numerous showers and scattered thunderstorms. Lows 47 to 52. Highs 59 to 64. East winds 10 to 20 mph. .WEDNESDAY...Mostly cloudy. Scattered showers and thunderstorms. Lows 44 to 49. Highs 63 to 68. Northeast winds 5 to 15 mph. .THURSDAY...Partly cloudy. Isolated showers and thunderstorms. Lows 47 to 52. Highs 71 to 76. Southeast winds 5 to 15 mph. .FRIDAY...Mostly clear. Isolated showers and thunderstorms. Lows 48 to 53. Highs 77 to 82. .SATURDAY...Sunny. Highs 81 to 86. $$ MTZ125-131015- Stillwater County- 150 PM MDT Sat Jul 12 2025 .Tonight... * Sky/weather...........Mostly clear. * Min temperature.......57-62. * 24 hr trend.........9 degrees warmer. * Max humidity..........44-49 percent. * 24 hr trend.........20 percent drier. * Wind (20 ft) * Plains...............West winds 5 to 15 mph. * Chance of lightning...1 percent. * CWR...................Zero. .SUNDAY... * Sky/weather...........Sunny. * Max temperature.......88-93. * 24 hr trend.........2 degrees warmer. * Min humidity..........21-26 percent. * 24 hr trend.........6 percent wetter. * Wind (20 ft) * Plains...............Northwest winds 5 to 10 mph. * Chance of lightning...4 percent. * CWR...................Zero. .SUNDAY NIGHT... * Sky/weather...........Mostly clear. * Min temperature.......59-64. * 24 hr trend.........2 degrees warmer. * Max humidity..........49-54 percent. * 24 hr trend.........5 percent wetter. * Wind (20 ft) * Plains...............Southwest winds 5 to 10 mph. * Chance of lightning...7 percent. * CWR...................Zero. .MONDAY... * Sky/weather...........Sunny in the morning, then partly sunny with scattered showers and thunderstorms in the afternoon. * Max temperature.......87-92. * 24 hr trend.........1 degree cooler. * Min humidity..........26-31 percent. * 24 hr trend.........5 percent wetter. * Wind (20 ft) * Plains...............North winds 5 to 10 mph. * Chance of lightning...28 percent. * CWR...................10 percent. .Forecast days 3 through 7...... .MONDAY NIGHT...Mostly cloudy. Scattered showers and thunderstorms. Lows 52 to 57. Northwest winds 5 to 10 mph. .TUESDAY...Much cooler. Mostly cloudy. Numerous showers and scattered thunderstorms. Lows 49 to 54. Highs 63 to 68. Northeast winds 5 to 10 mph. .WEDNESDAY...Mostly cloudy. Scattered showers and thunderstorms. Lows 47 to 52. Highs 67 to 72. Northeast winds 5 to 10 mph. .THURSDAY...Partly cloudy. Isolated showers and thunderstorms. Lows 50 to 55. Highs 73 to 78. Southeast winds 5 to 10 mph. .FRIDAY...Partly cloudy. Isolated showers and thunderstorms. Lows 52 to 57. Highs 80 to 85. .SATURDAY...Sunny. Highs 83 to 88. $$ MTZ126-131015- Beartooth Ranger District Custer National Forest- 150 PM MDT Sat Jul 12 2025 .Tonight... * Sky/weather...........Mostly clear. * Min temperature.......57-65 at 5000 feet...51-61 at 7000 feet. * 24 hr trend.........7 degrees warmer. * Max humidity..........35-40 percent. * 24 hr trend.........29 percent drier. * Wind (20 ft) * Slope/valley.........Northwest winds 5 to 15 mph. * Ridgetop.............North 5 to 15 mph. * Chance of lightning...1 percent. * CWR...................Zero. .SUNDAY... * Sky/weather...........Sunny. * Max temperature.......83-92 at 5000 feet...74-84 at 7000 feet. * 24 hr trend.........2 degrees warmer. * Min humidity..........17-26 percent at 5000 feet...22-32 percent at 7000 feet. * 24 hr trend.........6 percent wetter. * Wind (20 ft) * Slope/valley.........North winds 5 to 10 mph. * Ridgetop.............Northeast 5 to 15 mph. * Chance of lightning...6 percent. * CWR...................Zero. .SUNDAY NIGHT... * Sky/weather...........Partly cloudy. * Min temperature.......60-68 at 5000 feet...54-64 at 7000 feet. * 24 hr trend.........4 degrees warmer. * Max humidity..........38-43 percent. * 24 hr trend.........3 percent wetter. * Wind (20 ft) * Slope/valley.........West winds 5 to 15 mph. * Ridgetop.............West 5 to 15 mph. * Chance of lightning...10 percent. * CWR...................Zero. .MONDAY... * Sky/weather...........Sunny in the morning, then partly sunny with scattered showers and thunderstorms in the afternoon. * Max temperature.......83-91 at 5000 feet...73-83 at 7000 feet. * 24 hr trend.........1 degree cooler. * Min humidity..........21-31 percent at 5000 feet...28-38 percent at 7000 feet. * 24 hr trend.........5 percent wetter. * Wind (20 ft) * Slope/valley.........North winds 5 to 15 mph. * Ridgetop.............North 5 to 15 mph. * Chance of lightning...38 percent. * CWR...................20 percent. .Forecast days 3 through 7...... .MONDAY NIGHT...Cooler. Mostly cloudy. Scattered showers and thunderstorms. Lows 54 to 61. West winds 5 to 15 mph. .TUESDAY...Cooler. Mostly cloudy. Numerous showers and scattered thunderstorms. Lows 50 to 58. Highs 62 to 72. North winds 5 to 15 mph. .WEDNESDAY...Mostly cloudy. Scattered showers and thunderstorms. Lows 47 to 54. Highs 65 to 73. North winds 5 to 15 mph. .THURSDAY...Partly cloudy. Scattered showers and thunderstorms. Lows 51 to 60. Highs 71 to 79. Northwest winds 5 to 15 mph. .FRIDAY...Partly cloudy. Isolated showers and thunderstorms. Lows 53 to 60. Highs 78 to 86. .SATURDAY...Sunny. Isolated showers and thunderstorms. Highs 80 to 87. $$ MTZ127-131015- Golden Valley County/Musselshell county- 150 PM MDT Sat Jul 12 2025 .Tonight... * Sky/weather...........Mostly clear. * Min temperature.......61-66. * 24 hr trend.........4 degrees warmer. * Max humidity..........42-47 percent. * 24 hr trend.........4 percent drier. * Wind (20 ft) * Plains...............Northwest winds 5 to 10 mph. * Chance of lightning...1 percent. * CWR...................Zero. .SUNDAY... * Sky/weather...........Sunny. * Max temperature.......87-92. * 24 hr trend.........3 degrees warmer. * Min humidity..........19-24 percent. * 24 hr trend.........1 percent wetter. * Wind (20 ft) * Plains...............West winds 5 to 10 mph. * Chance of lightning...1 percent. * CWR...................Zero. .SUNDAY NIGHT... * Sky/weather...........Mostly clear. * Min temperature.......61-66. * 24 hr trend.........Unchanged. * Max humidity..........49-54 percent. * 24 hr trend.........7 percent wetter. * Wind (20 ft) * Plains...............North winds 5 to 10 mph. * Chance of lightning...5 percent. * CWR...................Zero. .MONDAY... * Sky/weather...........Sunny. * Max temperature.......85-90. * 24 hr trend.........2 degrees cooler. * Min humidity..........26-31 percent. * 24 hr trend.........7 percent wetter. * Wind (20 ft) * Plains...............Northwest winds 5 to 15 mph. * Chance of lightning...10 percent. * CWR...................Zero. .Forecast days 3 through 7...... .MONDAY NIGHT...Mostly cloudy. Scattered showers and thunderstorms. Lows 55 to 60. North winds 10 to 20 mph. .TUESDAY...Much cooler. Mostly cloudy. Numerous showers and scattered thunderstorms. Lows 52 to 57. Highs 59 to 64. Northeast winds 10 to 20 mph. .WEDNESDAY...Mostly cloudy. Scattered showers and isolated thunderstorms. Lows 49 to 54. Highs 63 to 68. Northeast winds 5 to 15 mph. .THURSDAY...Partly cloudy. Isolated showers and thunderstorms. Lows 53 to 58. Highs 69 to 74. East winds 5 to 10 mph. .FRIDAY...Mostly clear. Lows 55 to 60. Highs 76 to 81. .SATURDAY...Sunny. Highs 80 to 85. $$ MTZ128-131015- Yellowstone County- 150 PM MDT Sat Jul 12 2025 .Tonight... * Sky/weather...........Mostly clear. * Min temperature.......59-64. * 24 hr trend.........7 degrees warmer. * Max humidity..........48-53 percent. * 24 hr trend.........14 percent drier. * Wind (20 ft) * Plains...............West winds 5 to 15 mph. * Chance of lightning...1 percent. * CWR...................Zero. .SUNDAY... * Sky/weather...........Sunny. * Max temperature.......93-98. * 24 hr trend.........3 degrees warmer. * Min humidity..........16-21 percent. * 24 hr trend.........2 percent wetter. * Wind (20 ft) * Plains...............West winds 5 to 10 mph. * Chance of lightning...0 percent. * CWR...................Zero. .SUNDAY NIGHT... * Sky/weather...........Mostly clear. * Min temperature.......62-67. * 24 hr trend.........3 degrees warmer. * Max humidity..........52-57 percent. * 24 hr trend.........4 percent wetter. * 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. .MONDAY... * Sky/weather...........Sunny. * Max temperature.......92-97. * 24 hr trend.........1 degree cooler. * Min humidity..........22-27 percent. * 24 hr trend.........6 percent wetter. * Wind (20 ft) * Plains...............Northwest winds 5 to 15 mph. * Chance of lightning...9 percent. * CWR...................Zero. .Forecast days 3 through 7...... .MONDAY NIGHT...Mostly cloudy. Scattered showers and thunderstorms. Lows 57 to 62. North winds 5 to 15 mph. .TUESDAY...Much cooler. Mostly cloudy. Numerous showers and scattered thunderstorms. Lows 53 to 58. Highs 66 to 71. Northeast winds 10 to 20 mph. .WEDNESDAY...Mostly cloudy. Scattered showers and isolated thunderstorms. Lows 50 to 55. Highs 69 to 74. Northeast winds 5 to 15 mph. .THURSDAY...Partly cloudy. Lows 54 to 59. Highs 76 to 81. Northeast winds 5 to 15 mph. .FRIDAY...Mostly clear. Lows 55 to 60. Highs 83 to 88. .SATURDAY...Sunny. Highs 87 to 92. $$ MTZ129-131015- Crow Indian Reservation/Bighorn Canyon Rec Area- 150 PM MDT Sat Jul 12 2025 .Tonight... * Sky/weather...........Mostly clear. * Min temperature.......58-64 at 5000 feet...56-61 at 7000 feet. * 24 hr trend.........7 degrees warmer. * Max humidity..........34-44 percent at 5000 feet...32-37 percent at 7000 feet. * 24 hr trend.........25 percent drier. * Wind (20 ft) * Slope/valley.........North winds 5 to 15 mph in the evening shifting to the south 5 to 10 mph overnight. * Ridgetop.............Northwest 5 to 15 mph. * Chance of lightning...1 percent. * CWR...................Zero. .SUNDAY... * Sky/weather...........Sunny. * Max temperature.......82-92 at 5000 feet...74-82 at 7000 feet. * 24 hr trend.........5 degrees warmer. * Min humidity..........16-26 percent at 5000 feet...22-31 percent at 7000 feet. * 24 hr trend.........1 percent wetter. * Wind (20 ft) * Slope/valley.........West winds 5 to 15 mph. * Ridgetop.............West 5 to 15 mph. * Chance of lightning...1 percent. * CWR...................Zero. .SUNDAY NIGHT... * Sky/weather...........Mostly clear. * Min temperature.......63-68 at 5000 feet...60-65 at 7000 feet. * 24 hr trend.........5 degrees warmer. * Max humidity..........40-50 percent at 5000 feet...38-43 percent at 7000 feet. * 24 hr trend.........4 percent wetter. * Wind (20 ft) * Slope/valley.........Northeast winds 5 to 10 mph in the evening shifting to the southeast overnight. * Ridgetop.............South 5 to 15 mph. * Chance of lightning...3 percent. * CWR...................Zero. .MONDAY... * Sky/weather...........Sunny. * Max temperature.......81-91 at 5000 feet...74-81 at 7000 feet. * 24 hr trend.........Unchanged. * Min humidity..........22-32 percent at 5000 feet...29-39 percent at 7000 feet. * 24 hr trend.........6 percent wetter. * Wind (20 ft) * Slope/valley.........Northwest winds 5 to 15 mph. * Ridgetop.............North 10 to 20 mph. * Chance of lightning...7 percent. * CWR...................Zero. .Forecast days 3 through 7...... .MONDAY NIGHT...Mostly cloudy. Scattered showers and thunderstorms. Lows 53 to 61. North winds 5 to 15 mph. .TUESDAY...Much cooler. Mostly cloudy. Numerous showers and scattered thunderstorms. Lows 52 to 58. Highs 60 to 70. Northeast winds 5 to 15 mph. .WEDNESDAY...Mostly cloudy. Scattered showers and thunderstorms. Lows 49 to 54. Highs 62 to 72. North winds 5 to 15 mph. .THURSDAY...Partly cloudy. Isolated showers and thunderstorms. Lows 53 to 60. Highs 68 to 78. Southeast winds 5 to 15 mph. .FRIDAY...Mostly clear. Lows 55 to 60. Highs 74 to 84. .SATURDAY...Sunny. Highs 77 to 87. $$ MTZ130-131015- Northern Rosebud/Northern Treasure Counties- 150 PM MDT Sat Jul 12 2025 .Tonight... * Sky/weather...........Mostly clear. * Min temperature.......60-65. * 24 hr trend.........8 degrees warmer. * Max humidity..........48-53 percent. * 24 hr trend.........14 percent drier. * Wind (20 ft) * Plains...............Northwest winds 5 to 10 mph. * Chance of lightning...1 percent. * CWR...................Zero. .SUNDAY... * Sky/weather...........Sunny. * Max temperature.......94-99. * 24 hr trend.........5 degrees warmer. * Min humidity..........16-21 percent. * 24 hr trend.........Unchanged. * Wind (20 ft) * Plains...............West winds 5 to 10 mph. * Chance of lightning...1 percent. * CWR...................Zero. .SUNDAY NIGHT... * Sky/weather...........Mostly clear. * Min temperature.......62-67. * 24 hr trend.........2 degrees warmer. * Max humidity..........52-57 percent. * 24 hr trend.........4 percent wetter. * Wind (20 ft) * Plains...............North winds 5 to 10 mph in the evening shifting to the southeast overnight. * Chance of lightning...7 percent. * CWR...................Zero. .MONDAY... * Sky/weather...........Sunny. * Max temperature.......92-97. * 24 hr trend.........2 degrees cooler. * Min humidity..........21-26 percent. * 24 hr trend.........5 percent wetter. * Wind (20 ft) * Plains...............North winds 5 to 10 mph. * Chance of lightning...4 percent. * CWR...................Zero. .Forecast days 3 through 7...... .MONDAY NIGHT...Mostly cloudy. Scattered showers and thunderstorms. Lows 58 to 63. Northeast winds 5 to 15 mph. .TUESDAY...Not as warm. Mostly cloudy. Numerous showers and scattered thunderstorms. Lows 55 to 60. Highs 68 to 73. Northeast winds 5 to 15 mph. .WEDNESDAY...Mostly cloudy. Scattered showers and isolated thunderstorms. Lows 50 to 55. Highs 69 to 74. Northeast winds 5 to 15 mph. .THURSDAY...Partly cloudy. Isolated showers and thunderstorms. Lows 54 to 59. Highs 74 to 79. East winds 5 to 10 mph. .FRIDAY...Mostly clear. Lows 56 to 61. Highs 81 to 86. .SATURDAY...Sunny. Highs 85 to 90. $$ MTZ131-131015- Northern Cheyenne Indian Reservation/Ashland Ranger District Custer Natl Forest- 150 PM MDT Sat Jul 12 2025 .Tonight... * Sky/weather...........Mostly clear. * Min temperature.......57-62. * 24 hr trend.........12 degrees warmer. * Max humidity..........46-51 percent. * 24 hr trend.........35 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. .SUNDAY... * Sky/weather...........Sunny. * Max temperature.......91-96. * 24 hr trend.........5 degrees warmer. * Min humidity..........17-22 percent. * 24 hr trend.........1 percent wetter. * Wind (20 ft) * Slope/valley.........West winds 5 to 10 mph. * Ridgetop.............West 5 to 15 mph. * Chance of lightning...1 percent. * CWR...................Zero. .SUNDAY NIGHT... * Sky/weather...........Mostly clear. * Min temperature.......61-66. * 24 hr trend.........4 degrees warmer. * Max humidity..........53-58 percent. * 24 hr trend.........7 percent wetter. * Wind (20 ft) * Slope/valley.........Northeast winds 5 to 10 mph in the evening shifting to the south overnight. * Ridgetop.............South 5 to 15 mph. * Chance of lightning...3 percent. * CWR...................Zero. .MONDAY... * Sky/weather...........Sunny. * Max temperature.......91-96. * 24 hr trend.........Unchanged. * Min humidity..........21-26 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 5 to 15 mph in the afternoon. * Ridgetop.............North 5 to 15 mph. * Chance of lightning...6 percent. * CWR...................Zero. .Forecast days 3 through 7...... .MONDAY NIGHT...Mostly cloudy. Scattered showers and thunderstorms. Lows 56 to 61. North winds 5 to 15 mph. .TUESDAY...Not as warm. Mostly cloudy. Numerous showers and scattered thunderstorms. Lows 53 to 58. Highs 70 to 75. Northeast winds 5 to 15 mph. .WEDNESDAY...Mostly cloudy. Scattered showers and thunderstorms. Lows 48 to 53. Highs 71 to 76. Northeast winds 5 to 15 mph. .THURSDAY...Partly cloudy. Isolated showers and thunderstorms. Lows 53 to 58. Highs 75 to 80. East winds 5 to 15 mph. .FRIDAY...Mostly clear. Lows 54 to 59. Highs 82 to 87. .SATURDAY...Sunny. Highs 84 to 89. $$ MTZ132-131015- Custer County- 150 PM MDT Sat Jul 12 2025 .Tonight... * Sky/weather...........Mostly clear. * Min temperature.......59-64. * 24 hr trend.........7 degrees warmer. * Max humidity..........50-55 percent. * 24 hr trend.........7 percent drier. * Wind (20 ft) * Plains...............North winds 5 to 10 mph. * Chance of lightning...1 percent. * CWR...................Zero. .SUNDAY... * Sky/weather...........Sunny. * Max temperature.......89-94. * 24 hr trend.........4 degrees warmer. * Min humidity..........18-23 percent. * 24 hr trend.........2 percent wetter. * Wind (20 ft) * Plains...............West winds 5 to 10 mph. * Chance of lightning...1 percent. * CWR...................Zero. .SUNDAY NIGHT... * Sky/weather...........Mostly clear. * Min temperature.......64-69. * 24 hr trend.........5 degrees warmer. * Max humidity..........46-51 percent. * 24 hr trend.........4 percent drier. * Wind (20 ft) * Plains...............South winds 5 to 10 mph. * Chance of lightning...3 percent. * CWR...................Zero. .MONDAY... * Sky/weather...........Sunny. * Max temperature.......89-94. * 24 hr trend.........Unchanged. * Min humidity..........21-26 percent. * 24 hr trend.........3 percent wetter. * Wind (20 ft) * Plains...............South winds 5 to 15 mph in the morning shifting to the northwest in the afternoon. * Chance of lightning...4 percent. * CWR...................Zero. .Forecast days 3 through 7...... .MONDAY NIGHT...Partly cloudy. Scattered showers and isolated thunderstorms. Lows 57 to 62. Northeast winds 5 to 15 mph. .TUESDAY...Not as warm. Mostly cloudy. Numerous showers and scattered thunderstorms. Lows 52 to 57. Highs 68 to 73. Northeast winds 5 to 15 mph. .WEDNESDAY...Mostly cloudy. Scattered showers and isolated thunderstorms. Lows 49 to 54. Highs 66 to 71. East winds 5 to 15 mph. .THURSDAY...Partly cloudy. Isolated showers and thunderstorms. Lows 53 to 58. Highs 69 to 74. Southeast winds 5 to 15 mph. .FRIDAY...Mostly clear. Lows 55 to 60. Highs 79 to 84. .SATURDAY...Sunny. Highs 81 to 86. $$ MTZ133-131015- Sioux Ranger District Custer National Forest- 150 PM MDT Sat Jul 12 2025 .Tonight... * Sky/weather...........Mostly clear. * Min temperature.......59-64. * 24 hr trend.........13 degrees warmer. * Max humidity..........50-55 percent. * 24 hr trend.........41 percent drier. * Wind (20 ft) * Plains...............West winds 5 to 15 mph. * Chance of lightning...2 percent. * CWR...................Zero. .SUNDAY... * Sky/weather...........Sunny. * Max temperature.......88-93. * 24 hr trend.........4 degrees warmer. * Min humidity..........21-26 percent. * 24 hr trend.........1 percent wetter. * Wind (20 ft) * Plains...............West winds 5 to 10 mph. * Chance of lightning...1 percent. * CWR...................Zero. .SUNDAY NIGHT... * Sky/weather...........Mostly clear. * Min temperature.......63-68. * 24 hr trend.........4 degrees warmer. * Max humidity..........52-57 percent. * 24 hr trend.........2 percent wetter. * Wind (20 ft) * Plains...............South winds 5 to 15 mph. * Chance of lightning...3 percent. * CWR...................Zero. .MONDAY... * Sky/weather...........Sunny. * Max temperature.......92-97. * 24 hr trend.........4 degrees warmer. * Min humidity..........26-31 percent. * 24 hr trend.........5 percent wetter. * Wind (20 ft) * Plains...............South winds 5 to 15 mph in the morning shifting to the west in the afternoon. * Chance of lightning...12 percent. * CWR...................Zero. .Forecast days 3 through 7...... .MONDAY NIGHT...Mostly cloudy. Scattered showers and thunderstorms. Lows 57 to 62. Northeast winds 5 to 15 mph. .TUESDAY...Not as warm. Mostly cloudy. Numerous showers and scattered thunderstorms. Lows 53 to 58. Highs 71 to 76. East winds 10 to 20 mph. .WEDNESDAY...Mostly cloudy. Scattered showers and thunderstorms. Lows 50 to 55. Highs 69 to 74. Northeast winds 10 to 20 mph. .THURSDAY...Partly cloudy. Isolated showers and thunderstorms. Lows 52 to 57. Highs 71 to 76. East winds 5 to 15 mph. .FRIDAY...Partly cloudy. Isolated showers and thunderstorms. Lows 55 to 60. Highs 79 to 84. .SATURDAY...Sunny. Highs 81 to 86. $$ WYZ274-131015- Sheridan County- 150 PM MDT Sat Jul 12 2025 .Tonight... * Sky/weather...........Mostly clear. * Min temperature.......52-57. * 24 hr trend.........13 degrees warmer. * Max humidity..........55-60 percent. * 24 hr trend.........32 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. .SUNDAY... * Sky/weather...........Sunny. * Max temperature.......90-95. * 24 hr trend.........4 degrees warmer. * Min humidity..........19-24 percent. * 24 hr trend.........1 percent drier. * Wind (20 ft) * Slope/valley.........North winds 5 to 10 mph. * Ridgetop.............East 5 to 15 mph. * Chance of lightning...2 percent. * CWR...................Zero. .SUNDAY NIGHT... * Sky/weather...........Mostly clear. * Min temperature.......56-61. * 24 hr trend.........4 degrees warmer. * Max humidity..........59-64 percent. * 24 hr trend.........4 percent wetter. * Wind (20 ft) * Slope/valley.........Northwest winds 5 to 10 mph in the evening shifting to the southwest overnight. * Ridgetop.............Southwest 5 to 10 mph. * Chance of lightning...4 percent. * CWR...................Zero. .MONDAY... * Sky/weather...........Sunny. * Max temperature.......90-95. * 24 hr trend.........Unchanged. * Min humidity..........24-29 percent. * 24 hr trend.........5 percent wetter. * Wind (20 ft) * Slope/valley.........Northwest winds 5 to 10 mph. * Ridgetop.............Northwest 5 to 15 mph. * Chance of lightning...13 percent. * CWR...................Less than 10 percent. .Forecast days 3 through 7...... .MONDAY NIGHT...Mostly cloudy. Scattered showers and thunderstorms. Lows 54 to 59. Northwest winds 5 to 10 mph. .TUESDAY...Not as warm. Mostly cloudy. Scattered showers and thunderstorms. Lows 50 to 55. Highs 71 to 76. Northeast winds 5 to 15 mph. .WEDNESDAY...Mostly cloudy. Scattered showers and thunderstorms. Lows 46 to 51. Highs 72 to 77. North winds 5 to 15 mph. .THURSDAY...Partly cloudy. Lows 49 to 54. Highs 77 to 82. Southeast winds 5 to 10 mph. .FRIDAY...Mostly clear. Lows 50 to 55. Highs 84 to 89. .SATURDAY...Sunny. Highs 86 to 91. $$ WYZ284-131015- Bighorn National Forest- 150 PM MDT Sat Jul 12 2025 .Tonight... * Sky/weather...........Mostly clear. * Min temperature.......46-51. * 24 hr trend.........11 degrees warmer. * Max humidity..........48-53 percent. * 24 hr trend.........39 percent drier. * Wind (20 ft) * At Burgess Jct.......West winds 5 to 15 mph. * Chance of lightning...1 percent. * CWR...................Zero. .SUNDAY... * Sky/weather...........Sunny. * Max temperature.......74-79. * 24 hr trend.........4 degrees warmer. * Min humidity..........22-27 percent. * 24 hr trend.........1 percent wetter. * Wind (20 ft) * At Burgess Jct.......Northwest winds 5 to 15 mph. * Chance of lightning...4 percent. * CWR...................Zero. .SUNDAY NIGHT... * Sky/weather...........Mostly clear. * Min temperature.......51-56. * 24 hr trend.........5 degrees warmer. * Max humidity..........52-57 percent. * 24 hr trend.........4 percent wetter. * Wind (20 ft) * At Burgess Jct.......South winds 5 to 15 mph. * Chance of lightning...10 percent. * CWR...................Zero. .MONDAY... * Sky/weather...........Mostly sunny. Isolated showers and thunderstorms in the afternoon. * Max temperature.......74-79. * 24 hr trend.........Unchanged. * Min humidity..........25-30 percent. * 24 hr trend.........3 percent wetter. * Wind (20 ft) * At Burgess Jct.......Northwest winds 5 to 15 mph. * Chance of lightning...24 percent. * CWR...................10 percent. .Forecast days 3 through 7...... .MONDAY NIGHT...Mostly cloudy. Scattered showers and thunderstorms. Lows 44 to 49. Northwest winds 5 to 15 mph. .TUESDAY...Cooler. Mostly cloudy. Numerous showers and thunderstorms likely. Lows 43 to 48. Highs 60 to 65. Northeast winds 5 to 15 mph. .WEDNESDAY...Mostly cloudy. Scattered showers and thunderstorms. Lows 38 to 43. Highs 59 to 64. Northwest winds 5 to 15 mph. .THURSDAY...Partly cloudy. Isolated showers and thunderstorms. Lows 42 to 47. Highs 65 to 70. South winds 5 to 15 mph. .FRIDAY...Partly cloudy. Isolated showers and thunderstorms. Lows 43 to 48. Highs 69 to 74. .SATURDAY...Sunny. Highs 70 to 75. $$ weather.gov/billings