Routine Fire Wx Fcst (With/Without 6-10 Day Outlook)
Issued by NWS Billings, MT
Issued by NWS Billings, MT
175 FNUS55 KBYZ 132019 FWFBYZ Fire Weather Planning Forecast for SCen and SErn Montana National Weather Service Billings MT 219 PM MDT Sun Jul 13 2025 .DISCUSSION... ...Hot and Dry conditions into Monday... ...Cold front passage Monday evening brings cooler and wetter conditions through mid week... Hot and dry conditions are observed today, with temperatures in the low 90s and humidities dropping into the upper teens. Monday will see similar conditions, but with temperatures climbing to the mid 90s. There is a small chance for severe storms on Monday as well, ,with the main threat being gusts up to 60 mph. A cold front is more confidently timed to pass through in the evening, ushering in much cooler temperatures and widespread precipitation through Wednesday, bringing about a high chance for many areas to see at least a wetting rain. Vertz MTZ123-141015- Gallatin National Forest- 219 PM MDT Sun Jul 13 2025 .Tonight... * Sky/weather...........Mostly clear. Isolated showers and thunderstorms in the evening. * Min temperature.......54-64 at 5000 feet...50-60 at 7000 feet. * 24 hr trend.........3 degrees warmer. * Max humidity..........54-64 percent at 5000 feet...52-62 percent at 7000 feet. * 24 hr trend.........6 percent drier. * Wind (20 ft) * Slope/valley.........Northeast winds 5 to 10 mph in the evening becoming light overnight. * Ridgetop.............Northwest 5 to 10 mph. * Chance of lightning...15 percent. * CWR...................Zero. .MONDAY... * Sky/weather...........Sunny. * Max temperature.......86-95 at 5000 feet...73-83 at 7000 feet. * 24 hr trend.........2 degrees warmer. * Min humidity..........16-21 percent. * 24 hr trend.........2 percent drier. * Wind (20 ft) * Slope/valley.........West winds 5 to 10 mph. * Ridgetop.............West 5 to 15 mph. * Chance of lightning...14 percent. * CWR...................Zero. .MONDAY NIGHT... * Sky/weather...........Mostly cloudy. Scattered rain showers and isolated thunderstorms in the evening, then isolated rain showers overnight. * Min temperature.......49-58 at 5000 feet...43-53 at 7000 feet. * 24 hr trend.........5 degrees cooler. * Max humidity..........82-92 percent at 5000 feet...79-89 percent at 7000 feet. * 24 hr trend.........30 percent wetter. * Wind (20 ft) * Slope/valley.........Northwest winds 5 to 10 mph. * Ridgetop.............Northwest 5 to 10 mph. * Chance of lightning...22 percent. * CWR...................20 percent. .TUESDAY... * Sky/weather...........Partly sunny with isolated rain showers in the morning, then cloudy with rain showers and scattered thunderstorms in the afternoon. * Max temperature.......65-75 at 5000 feet...57-67 at 7000 feet. * 24 hr trend.........19 degrees cooler. * Min humidity..........55-60 percent. * 24 hr trend.........39 percent wetter. * Wind (20 ft) * Slope/valley.........North winds 5 to 10 mph. * Ridgetop.............Southwest 5 to 10 mph. * Chance of lightning...43 percent. * CWR...................70 percent. .Forecast days 3 through 7...... .TUESDAY NIGHT...Cloudy. Numerous showers and scattered thunderstorms. Lows 45 to 55. North winds 5 to 10 mph. .WEDNESDAY...Partly cloudy. Scattered showers and thunderstorms. Lows 41 to 51. Highs 64 to 74. Northeast winds 5 to 10 mph. .THURSDAY...Warmer. Mostly clear. Lows 45 to 55. Highs 76 to 86. West winds 5 to 10 mph. .FRIDAY...Mostly clear. Isolated showers and thunderstorms. Lows 49 to 59. Highs 79 to 89. West winds 5 to 10 mph. .SATURDAY...Partly cloudy. Isolated showers and thunderstorms. Lows 50 to 60. Highs 80 to 90. .SUNDAY...Sunny. Isolated showers and thunderstorms. Highs 83 to 93. $$ MTZ124-141015- Wheatland County/Sweet Grass County- 219 PM MDT Sun Jul 13 2025 .Tonight... * Sky/weather...........Mostly clear. * Min temperature.......56-61. * 24 hr trend.........1 degree warmer. * Max humidity..........61-66 percent. * 24 hr trend.........6 percent wetter. * Wind (20 ft) * Plains...............Northwest winds 5 to 15 mph. * Chance of lightning...8 percent. * CWR...................Zero. .MONDAY... * Sky/weather...........Sunny. * Max temperature.......89-94. * 24 hr trend.........2 degrees warmer. * Min humidity..........20-25 percent. * 24 hr trend.........Unchanged. * Wind (20 ft) * Plains...............West winds 10 to 20 mph. * Chance of lightning...14 percent. * CWR...................Zero. .MONDAY NIGHT... * Sky/weather...........Mostly cloudy. Numerous rain showers and scattered thunderstorms in the evening, then numerous rain showers and isolated thunderstorms overnight. * Min temperature.......51-56. * 24 hr trend.........5 degrees cooler. * Max humidity..........92-97 percent. * 24 hr trend.........31 percent wetter. * Wind (20 ft) * Plains...............North winds 10 to 20 mph. * Chance of lightning...34 percent. * CWR...................40 percent. .TUESDAY... * Sky/weather...........Cloudy. Numerous rain showers and isolated thunderstorms in the morning, then rain showers and scattered thunderstorms in the afternoon. * Max temperature.......56-61. * 24 hr trend.........33 degrees cooler. * Min humidity..........76-81 percent. * 24 hr trend.........56 percent wetter. * Wind (20 ft) * Plains...............Northeast winds 10 to 20 mph. Gusts up to 30 mph in the afternoon. * Chance of lightning...35 percent. * CWR...................80 percent. .Forecast days 3 through 7...... .TUESDAY NIGHT...Cloudy. Showers and scattered thunderstorms. Lows 46 to 51. Northeast winds 10 to 20 mph. .WEDNESDAY...Mostly cloudy. Numerous showers and isolated thunderstorms. Lows 43 to 48. Highs 58 to 63. East winds 5 to 15 mph. .THURSDAY...Warmer. Mostly clear. Lows 47 to 52. Highs 71 to 76. East winds 5 to 15 mph. .FRIDAY...Partly cloudy. Isolated showers and thunderstorms. Lows 50 to 55. Highs 77 to 82. East winds 5 to 15 mph. .SATURDAY...Partly cloudy. Isolated showers and thunderstorms. Lows 52 to 57. Highs 80 to 85. .SUNDAY...Sunny. Isolated showers and thunderstorms. Highs 84 to 89. $$ MTZ125-141015- Stillwater County- 219 PM MDT Sun Jul 13 2025 .Tonight... * Sky/weather...........Mostly clear. * Min temperature.......60-65. * 24 hr trend.........6 degrees warmer. * Max humidity..........50-55 percent. * 24 hr trend.........1 percent drier. * Wind (20 ft) * Plains...............West winds 5 to 10 mph. * Chance of lightning...6 percent. * CWR...................Zero. .MONDAY... * Sky/weather...........Sunny. Scattered showers and thunderstorms in the afternoon. * Max temperature.......89-94. * 24 hr trend.........1 degree warmer. * Min humidity..........26-31 percent. * 24 hr trend.........6 percent wetter. * Wind (20 ft) * Plains...............West winds 5 to 10 mph. * Chance of lightning...25 percent. * CWR...................10 percent. .MONDAY NIGHT... * Sky/weather...........Mostly cloudy. Scattered showers and thunderstorms in the evening, then scattered rain showers overnight. * Min temperature.......53-58. * 24 hr trend.........7 degrees cooler. * Max humidity..........89-94 percent. * 24 hr trend.........39 percent wetter. * Wind (20 ft) * Plains...............Northwest winds 5 to 10 mph. * Chance of lightning...28 percent. * CWR...................30 percent. .TUESDAY... * Sky/weather...........Cloudy. Scattered rain showers in the morning, then rain showers and scattered thunderstorms in the afternoon. * Max temperature.......61-66. * 24 hr trend.........28 degrees cooler. * Min humidity..........73-78 percent. * 24 hr trend.........47 percent wetter. * Wind (20 ft) * Plains...............Northeast winds 5 to 15 mph. * Chance of lightning...45 percent. * CWR...................80 percent. .Forecast days 3 through 7...... .TUESDAY NIGHT...Cloudy. Showers and scattered thunderstorms. Lows 48 to 53. Northeast winds 5 to 15 mph. .WEDNESDAY...Mostly cloudy. Numerous showers and scattered thunderstorms. Lows 45 to 50. Highs 60 to 65. Northeast winds 5 to 10 mph. .THURSDAY...Warmer. Mostly clear. Lows 50 to 55. Highs 74 to 79. East winds 5 to 10 mph. .FRIDAY...Partly cloudy. Isolated showers and thunderstorms. Lows 55 to 60. Highs 79 to 84. East winds 5 to 10 mph. .SATURDAY...Partly cloudy. Isolated showers and thunderstorms. Lows 55 to 60. Highs 82 to 87. .SUNDAY...Mostly sunny. Isolated showers and thunderstorms. Highs 87 to 92. $$ MTZ126-141015- Beartooth Ranger District Custer National Forest- 219 PM MDT Sun Jul 13 2025 .Tonight... * Sky/weather...........Mostly clear. Isolated showers and thunderstorms in the evening. * Min temperature.......60-68 at 5000 feet...54-64 at 7000 feet. * 24 hr trend.........4 degrees warmer. * Max humidity..........39-44 percent. * 24 hr trend.........11 percent drier. * Wind (20 ft) * Slope/valley.........West winds 5 to 15 mph. * Ridgetop.............West 5 to 10 mph. * Chance of lightning...15 percent. * CWR...................Zero. .MONDAY... * Sky/weather...........Sunny in the morning, then partly sunny with scattered showers and thunderstorms in the afternoon. * Max temperature.......85-92 at 5000 feet...74-84 at 7000 feet. * 24 hr trend.........Unchanged. * Min humidity..........20-30 percent at 5000 feet...26-36 percent at 7000 feet. * 24 hr trend.........5 percent wetter. * Wind (20 ft) * Slope/valley.........North winds 5 to 15 mph. * Ridgetop.............West 5 to 10 mph. * Chance of lightning...38 percent. * CWR...................30 percent. .MONDAY NIGHT... * Sky/weather...........Mostly cloudy. Scattered showers and thunderstorms in the evening, then scattered rain showers overnight. * Min temperature.......54-62 at 5000 feet...46-56 at 7000 feet. * 24 hr trend.........8 degrees cooler. * Max humidity..........76-86 percent at 5000 feet...80-90 percent at 7000 feet. * 24 hr trend.........42 percent wetter. * Wind (20 ft) * Slope/valley.........West winds 5 to 15 mph. * Ridgetop.............West 5 to 15 mph. * Chance of lightning...28 percent. * CWR...................30 percent. .TUESDAY... * Sky/weather...........Mostly cloudy. Scattered rain showers in the morning, then rain showers and scattered thunderstorms in the afternoon. * Max temperature.......61-71 at 5000 feet...55-65 at 7000 feet. * 24 hr trend.........20 degrees cooler. * Min humidity..........66-76 percent at 5000 feet...69-79 percent at 7000 feet. * 24 hr trend.........46 percent wetter. * Wind (20 ft) * Slope/valley.........North winds 10 to 20 mph. * Ridgetop.............West 5 to 15 mph. * Chance of lightning...49 percent. * CWR...................80 percent. .Forecast days 3 through 7...... .TUESDAY NIGHT...Cloudy. Showers and scattered thunderstorms. Lows 49 to 57. North winds 5 to 15 mph. .WEDNESDAY...Mostly cloudy. Numerous showers and scattered thunderstorms. Lows 45 to 52. Highs 57 to 65. North winds 5 to 15 mph. .THURSDAY...Warmer. Partly cloudy. Isolated showers and thunderstorms. Lows 51 to 59. Highs 72 to 79. Northwest winds 5 to 15 mph. .FRIDAY...Partly cloudy. Isolated showers and thunderstorms. Lows 55 to 62. Highs 76 to 84. Northwest winds 5 to 15 mph. .SATURDAY...Partly cloudy. Isolated showers and thunderstorms. Lows 57 to 62. Highs 78 to 86. .SUNDAY...Mostly sunny. Isolated showers and thunderstorms. Highs 81 to 90. $$ MTZ127-141015- Golden Valley County/Musselshell county- 219 PM MDT Sun Jul 13 2025 .Tonight... * Sky/weather...........Mostly clear. * Min temperature.......63-68. * 24 hr trend.........2 degrees warmer. * Max humidity..........47-52 percent. * 24 hr trend.........6 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.......89-94. * 24 hr trend.........2 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...9 percent. * CWR...................Zero. .MONDAY NIGHT... * Sky/weather...........Mostly cloudy. Numerous rain showers and scattered thunderstorms in the evening, then scattered rain showers and isolated thunderstorms overnight. * Min temperature.......54-59. * 24 hr trend.........9 degrees cooler. * Max humidity..........89-94 percent. * 24 hr trend.........42 percent wetter. * Wind (20 ft) * Plains...............North winds 10 to 20 mph. * Chance of lightning...31 percent. * CWR...................40 percent. .TUESDAY... * Sky/weather...........Cloudy. Scattered rain showers and isolated thunderstorms in the morning, then rain showers and scattered thunderstorms in the afternoon. * Max temperature.......57-62. * 24 hr trend.........32 degrees cooler. * Min humidity..........84-89 percent. * 24 hr trend.........63 percent wetter. * Wind (20 ft) * Plains...............Northeast winds 10 to 20 mph. * Chance of lightning...29 percent. * CWR...................70 percent. .Forecast days 3 through 7...... .TUESDAY NIGHT...Cloudy. Showers and scattered thunderstorms. Lows 51 to 56. Northeast winds 10 to 20 mph. .WEDNESDAY...Mostly cloudy. Numerous showers and isolated thunderstorms. Lows 47 to 52. Highs 56 to 61. Northeast winds 5 to 15 mph. .THURSDAY...Warmer. Mostly clear. Lows 52 to 57. Highs 69 to 74. East winds 5 to 10 mph. .FRIDAY...Mostly clear. Lows 58 to 63. Highs 75 to 80. Northeast winds 5 to 10 mph. .SATURDAY...Partly cloudy. Lows 59 to 64. Highs 79 to 84. .SUNDAY...Sunny. Highs 84 to 89. $$ MTZ128-141015- Yellowstone County- 219 PM MDT Sun Jul 13 2025 .Tonight... * Sky/weather...........Mostly clear. * Min temperature.......63-68. * 24 hr trend.........4 degrees warmer. * Max humidity..........53-58 percent. * 24 hr trend.........3 percent drier. * Wind (20 ft) * Plains...............North winds 5 to 10 mph. * Chance of lightning...2 percent. * CWR...................Zero. .MONDAY... * Sky/weather...........Sunny. * Max temperature.......94-99. * 24 hr trend.........1 degree warmer. * Min humidity..........19-24 percent. * 24 hr trend.........3 percent wetter. * Wind (20 ft) * Plains...............West winds 5 to 15 mph. * Chance of lightning...9 percent. * CWR...................Zero. .MONDAY NIGHT... * Sky/weather...........Mostly cloudy. Scattered showers and thunderstorms in the evening, then scattered rain showers overnight. * Min temperature.......58-63. * 24 hr trend.........5 degrees cooler. * Max humidity..........83-88 percent. * 24 hr trend.........30 percent wetter. * Wind (20 ft) * Plains...............North winds 5 to 15 mph. * Chance of lightning...25 percent. * CWR...................30 percent. .TUESDAY... * Sky/weather...........Cloudy. Scattered rain showers in the morning, then numerous rain showers and scattered thunderstorms in the afternoon. * Max temperature.......63-68. * 24 hr trend.........31 degrees cooler. * Min humidity..........70-75 percent. * 24 hr trend.........51 percent wetter. * Wind (20 ft) * Plains...............Northeast winds 10 to 20 mph. * Chance of lightning...29 percent. * CWR...................50 percent. .Forecast days 3 through 7...... .TUESDAY NIGHT...Cloudy. Showers and scattered thunderstorms. Lows 53 to 58. Northeast winds 10 to 20 mph. .WEDNESDAY...Mostly cloudy. Numerous showers and isolated thunderstorms. Lows 48 to 53. Highs 62 to 67. Northeast winds 5 to 15 mph. .THURSDAY...Warmer. Mostly clear. Lows 54 to 59. Highs 76 to 81. East winds 5 to 10 mph. .FRIDAY...Mostly clear. Lows 58 to 63. Highs 81 to 86. Northeast winds 5 to 15 mph. .SATURDAY...Partly cloudy. Lows 59 to 64. Highs 84 to 89. .SUNDAY...Sunny. Highs 89 to 94. $$ MTZ129-141015- Crow Indian Reservation/Bighorn Canyon Rec Area- 219 PM MDT Sun Jul 13 2025 .Tonight... * Sky/weather...........Mostly clear. * Min temperature.......62-68 at 5000 feet...60-66 at 7000 feet. * 24 hr trend.........2 degrees cooler. * Max humidity..........39-49 percent at 5000 feet...36-42 percent at 7000 feet. * 24 hr trend.........5 percent wetter. * Wind (20 ft) * Slope/valley.........North winds 5 to 10 mph in the evening shifting to the southeast overnight. * Ridgetop.............West 5 to 10 mph. * Chance of lightning...3 percent. * CWR...................Zero. .MONDAY... * Sky/weather...........Sunny. * Max temperature.......83-93 at 5000 feet...75-83 at 7000 feet. * 24 hr trend.........2 degrees warmer. * Min humidity..........19-29 percent at 5000 feet...26-36 percent at 7000 feet. * 24 hr trend.........4 percent wetter. * Wind (20 ft) * Slope/valley.........Northwest winds 5 to 15 mph. * Ridgetop.............West 10 to 20 mph. * Chance of lightning...6 percent. * CWR...................Zero. .MONDAY NIGHT... * Sky/weather...........Mostly cloudy. Scattered showers and thunderstorms in the evening, then scattered rain showers overnight. * Min temperature.......51-61 at 5000 feet...50-55 at 7000 feet. * 24 hr trend.........7 degrees cooler. * Max humidity..........80-90 percent at 5000 feet...86-96 percent at 7000 feet. * 24 hr trend.........56 percent wetter. * Wind (20 ft) * Slope/valley.........Southwest winds 5 to 15 mph. * Ridgetop.............West 5 to 10 mph. * Chance of lightning...32 percent. * CWR...................30 percent. .TUESDAY... * Sky/weather...........Mostly cloudy. Scattered rain showers in the morning, then numerous rain showers and scattered thunderstorms in the afternoon. * Max temperature.......58-68 at 5000 feet...51-59 at 7000 feet. * 24 hr trend.........27 degrees cooler. * Min humidity..........65-75 percent at 5000 feet...77-87 percent at 7000 feet. * 24 hr trend.........54 percent wetter. * Wind (20 ft) * Slope/valley.........North winds 10 to 20 mph. * Ridgetop.............West 5 to 15 mph. * Chance of lightning...30 percent. * CWR...................40 percent. .Forecast days 3 through 7...... .TUESDAY NIGHT...Cloudy. Showers and scattered thunderstorms. Lows 48 to 56. Northeast winds 10 to 20 mph. .WEDNESDAY...Mostly cloudy. Numerous showers and scattered thunderstorms. Lows 46 to 51. Highs 54 to 64. Northeast winds 5 to 15 mph. .THURSDAY...Warmer. Mostly clear. Lows 52 to 58. Highs 68 to 78. East winds 5 to 10 mph. .FRIDAY...Partly cloudy. Lows 57 to 62. Highs 73 to 83. East winds 5 to 15 mph. .SATURDAY...Partly cloudy. Lows 58 to 63. Highs 74 to 84. .SUNDAY...Sunny. Highs 79 to 89. $$ MTZ130-141015- Northern Rosebud/Northern Treasure Counties- 219 PM MDT Sun Jul 13 2025 .Tonight... * Sky/weather...........Mostly clear. * Min temperature.......64-69. * 24 hr trend.........4 degrees warmer. * Max humidity..........49-54 percent. * 24 hr trend.........1 percent drier. * Wind (20 ft) * Plains...............Northwest winds 5 to 10 mph in the evening shifting to the east overnight. * Chance of lightning...6 percent. * CWR...................Zero. .MONDAY... * Sky/weather...........Sunny. * Max temperature.......94-99. * 24 hr trend.........Unchanged. * Min humidity..........18-23 percent. * 24 hr trend.........2 percent wetter. * Wind (20 ft) * Plains...............Northwest winds 5 to 10 mph. * Chance of lightning...4 percent. * CWR...................Zero. .MONDAY NIGHT... * Sky/weather...........Mostly cloudy with scattered showers and thunderstorms. * Min temperature.......58-63. * 24 hr trend.........6 degrees cooler. * Max humidity..........78-83 percent. * 24 hr trend.........29 percent wetter. * Wind (20 ft) * Plains...............Northeast winds 5 to 15 mph. * Chance of lightning...34 percent. * CWR...................20 percent. .TUESDAY... * Sky/weather...........Mostly cloudy. Scattered rain showers and isolated thunderstorms in the morning, then numerous rain showers and scattered thunderstorms in the afternoon. * Max temperature.......65-70. * 24 hr trend.........29 degrees cooler. * Min humidity..........69-74 percent. * 24 hr trend.........51 percent wetter. * Wind (20 ft) * Plains...............Northeast winds 10 to 20 mph. * Chance of lightning...29 percent. * CWR...................60 percent. .Forecast days 3 through 7...... .TUESDAY NIGHT...Cloudy. Showers and scattered thunderstorms. Lows 51 to 56. Northeast winds 5 to 15 mph. .WEDNESDAY...Mostly cloudy. Numerous showers and isolated thunderstorms. Lows 48 to 53. Highs 62 to 67. East winds 5 to 15 mph. .THURSDAY...Warmer. Mostly clear. Lows 54 to 59. Highs 74 to 79. East winds 5 to 10 mph. .FRIDAY...Mostly clear. Lows 58 to 63. Highs 80 to 85. Northeast winds 5 to 10 mph. .SATURDAY...Partly cloudy. Lows 59 to 64. Highs 83 to 88. .SUNDAY...Mostly sunny. Highs 89 to 94. $$ MTZ131-141015- Northern Cheyenne Indian Reservation/Ashland Ranger District Custer Natl Forest- 219 PM MDT Sun Jul 13 2025 .Tonight... * Sky/weather...........Mostly clear. * Min temperature.......61-66. * 24 hr trend.........9 degrees warmer. * Max humidity..........50-55 percent. * 24 hr trend.........19 percent drier. * Wind (20 ft) * Slope/valley.........Northeast winds 5 to 10 mph in the evening shifting to the south overnight. * Ridgetop.............Southwest 5 to 15 mph. * Chance of lightning...2 percent. * CWR...................Zero. .MONDAY... * Sky/weather...........Sunny. * Max temperature.......93-98. * 24 hr trend.........2 degrees warmer. * Min humidity..........19-24 percent. * 24 hr trend.........2 percent wetter. * Wind (20 ft) * Slope/valley.........Northwest winds 5 to 15 mph. * Ridgetop.............West 5 to 15 mph. * Chance of lightning...4 percent. * CWR...................Zero. .MONDAY NIGHT... * Sky/weather...........Mostly cloudy. Scattered showers and thunderstorms in the evening, then scattered rain showers and isolated thunderstorms overnight. * Min temperature.......57-62. * 24 hr trend.........4 degrees cooler. * Max humidity..........85-90 percent. * 24 hr trend.........35 percent wetter. * Wind (20 ft) * Slope/valley.........Northwest winds 5 to 15 mph. * Ridgetop.............Southwest 5 to 10 mph. * Chance of lightning...35 percent. * CWR...................20 percent. .TUESDAY... * Sky/weather...........Mostly cloudy. Scattered rain showers in the morning, then scattered showers and thunderstorms in the afternoon. * Max temperature.......67-72. * 24 hr trend.........26 degrees cooler. * Min humidity..........68-73 percent. * 24 hr trend.........49 percent wetter. * Wind (20 ft) * Slope/valley.........Northeast winds 5 to 15 mph. * Ridgetop.............West 5 to 15 mph. * Chance of lightning...33 percent. * CWR...................40 percent. .Forecast days 3 through 7...... .TUESDAY NIGHT...Cloudy. Showers and scattered thunderstorms. Lows 51 to 56. Northeast winds 5 to 15 mph. .WEDNESDAY...Mostly cloudy. Numerous showers and scattered thunderstorms. Lows 46 to 51. Highs 63 to 68. Northeast winds 5 to 15 mph. .THURSDAY...Warmer. Mostly clear. Lows 52 to 57. Highs 76 to 81. East winds 5 to 10 mph. .FRIDAY...Mostly clear. Lows 55 to 60. Highs 80 to 85. East winds 5 to 10 mph. .SATURDAY...Partly cloudy. Lows 56 to 61. Highs 82 to 87. .SUNDAY...Sunny. Highs 88 to 93. $$ MTZ132-141015- Custer County- 219 PM MDT Sun Jul 13 2025 .Tonight... * Sky/weather...........Mostly clear. * Min temperature.......65-70. * 24 hr trend.........4 degrees warmer. * Max humidity..........47-52 percent. * 24 hr trend.........1 percent wetter. * Wind (20 ft) * Plains...............South winds 5 to 15 mph. * Chance of lightning...2 percent. * CWR...................Zero. .MONDAY... * Sky/weather...........Sunny. * Max temperature.......92-97. * 24 hr trend.........4 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...3 percent. * CWR...................Zero. .MONDAY NIGHT... * Sky/weather...........Partly cloudy. Scattered showers and thunderstorms overnight. * Min temperature.......56-61. * 24 hr trend.........9 degrees cooler. * Max humidity..........85-90 percent. * 24 hr trend.........38 percent wetter. * Wind (20 ft) * Plains...............Northeast winds 5 to 15 mph. * Chance of lightning...30 percent. * CWR...................10 percent. .TUESDAY... * Sky/weather...........Mostly cloudy. Numerous rain showers and isolated thunderstorms in the morning, then numerous rain showers and scattered thunderstorms in the afternoon. * Max temperature.......64-69. * 24 hr trend.........28 degrees cooler. * Min humidity..........70-75 percent. * 24 hr trend.........51 percent wetter. * Wind (20 ft) * Plains...............Northeast winds 10 to 20 mph. * Chance of lightning...31 percent. * CWR...................50 percent. .Forecast days 3 through 7...... .TUESDAY NIGHT...Cloudy. Numerous showers and scattered thunderstorms. Lows 50 to 55. Northeast winds 5 to 15 mph. .WEDNESDAY...Mostly cloudy. Numerous showers and isolated thunderstorms. Lows 46 to 51. Highs 58 to 63. East winds 5 to 15 mph. .THURSDAY...Warmer. Partly cloudy. Isolated showers and thunderstorms. Lows 52 to 57. Highs 69 to 74. Southeast winds 5 to 15 mph. .FRIDAY...Mostly clear. Lows 55 to 60. Highs 77 to 82. East winds 5 to 10 mph. .SATURDAY...Mostly clear. Lows 58 to 63. Highs 80 to 85. .SUNDAY...Sunny. Highs 85 to 90. $$ MTZ133-141015- Sioux Ranger District Custer National Forest- 219 PM MDT Sun Jul 13 2025 .Tonight... * Sky/weather...........Mostly clear. * Min temperature.......63-68. * 24 hr trend.........6 degrees warmer. * Max humidity..........51-56 percent. * 24 hr trend.........7 percent drier. * Wind (20 ft) * Plains...............South winds 5 to 15 mph. * Chance of lightning...2 percent. * CWR...................Zero. .MONDAY... * Sky/weather...........Sunny. * Max temperature.......95-100. * 24 hr trend.........7 degrees warmer. * Min humidity..........20-25 percent. * 24 hr trend.........1 percent drier. * Wind (20 ft) * Plains...............West winds 5 to 15 mph. * Chance of lightning...6 percent. * CWR...................Zero. .MONDAY NIGHT... * Sky/weather...........Mostly cloudy. Scattered showers and thunderstorms in the evening, then scattered rain showers and isolated thunderstorms overnight. * Min temperature.......59-64. * 24 hr trend.........4 degrees cooler. * Max humidity..........87-92 percent. * 24 hr trend.........36 percent wetter. * Wind (20 ft) * Plains...............Northeast winds 5 to 15 mph. * Chance of lightning...33 percent. * CWR...................10 percent. .TUESDAY... * Sky/weather...........Mostly cloudy. Scattered rain showers and isolated thunderstorms in the morning, then scattered showers and thunderstorms in the afternoon. * Max temperature.......68-73. * 24 hr trend.........27 degrees cooler. * Min humidity..........74-79 percent. * 24 hr trend.........54 percent wetter. * Wind (20 ft) * Plains...............Northeast winds 15 to 25 mph. Gusts up to 30 mph in the afternoon. * Chance of lightning...32 percent. * CWR...................40 percent. .Forecast days 3 through 7...... .TUESDAY NIGHT...Cooler, cloudy. Showers and scattered thunderstorms. Lows 50 to 55. Northeast winds 10 to 20 mph. .WEDNESDAY...Mostly cloudy. Numerous showers and scattered thunderstorms. Lows 48 to 53. Highs 59 to 64. East winds 5 to 15 mph. .THURSDAY...Partly cloudy. Isolated showers and thunderstorms. Lows 52 to 57. Highs 69 to 74. Southeast winds 5 to 15 mph. .FRIDAY...Partly cloudy. Isolated showers and thunderstorms. Lows 56 to 61. Highs 78 to 83. East winds 5 to 15 mph. .SATURDAY...Partly cloudy. Isolated showers and thunderstorms. Lows 57 to 62. Highs 80 to 85. .SUNDAY...Sunny. Highs 85 to 90. $$ WYZ274-141015- Sheridan County- 219 PM MDT Sun Jul 13 2025 .Tonight... * Sky/weather...........Mostly clear. * Min temperature.......57-62. * 24 hr trend.........4 degrees warmer. * Max humidity..........57-62 percent. * 24 hr trend.........7 percent drier. * Wind (20 ft) * Slope/valley.........West winds 5 to 10 mph. * Ridgetop.............Southwest 5 to 10 mph. * Chance of lightning...3 percent. * CWR...................Zero. .MONDAY... * Sky/weather...........Sunny. * Max temperature.......92-97. * 24 hr trend.........1 degree warmer. * Min humidity..........21-26 percent. * 24 hr trend.........3 percent wetter. * Wind (20 ft) * Slope/valley.........Northwest winds 5 to 10 mph. * Ridgetop.............West 5 to 15 mph. * Chance of lightning...13 percent. * CWR...................Zero. .MONDAY NIGHT... * Sky/weather...........Mostly cloudy. Scattered showers and thunderstorms in the evening, then isolated rain showers overnight. * Min temperature.......54-59. * 24 hr trend.........3 degrees cooler. * Max humidity..........93-98 percent. * 24 hr trend.........36 percent wetter. * Wind (20 ft) * Slope/valley.........West winds 5 to 10 mph. * Ridgetop.............Southwest 5 to 10 mph. * Chance of lightning...35 percent. * CWR...................30 percent. .TUESDAY... * Sky/weather...........Partly sunny. Scattered rain showers in the morning, then numerous rain showers and scattered thunderstorms in the afternoon. * Max temperature.......69-74. * 24 hr trend.........23 degrees cooler. * Min humidity..........67-72 percent. * 24 hr trend.........46 percent wetter. * Wind (20 ft) * Slope/valley.........North winds 5 to 15 mph. * Ridgetop.............West 5 to 15 mph. * Chance of lightning...38 percent. * CWR...................40 percent. .Forecast days 3 through 7...... .TUESDAY NIGHT...Cloudy. Showers and scattered thunderstorms. Lows 49 to 54. Northeast winds 5 to 15 mph. .WEDNESDAY...Mostly cloudy. Numerous showers and scattered thunderstorms. Lows 44 to 49. Highs 65 to 70. North winds 5 to 15 mph. .THURSDAY...Warmer. Mostly clear. Lows 50 to 55. Highs 78 to 83. East winds 5 to 10 mph. .FRIDAY...Partly cloudy. Lows 52 to 57. Highs 82 to 87. East winds 5 to 10 mph. .SATURDAY...Partly cloudy. Lows 53 to 58. Highs 84 to 89. .SUNDAY...Sunny. Highs 88 to 93. $$ WYZ284-141015- Bighorn National Forest- 219 PM MDT Sun Jul 13 2025 .Tonight... * Sky/weather...........Mostly clear. * Min temperature.......51-56. * 24 hr trend.........7 degrees warmer. * Max humidity..........51-56 percent. * 24 hr trend.........10 percent drier. * Wind (20 ft) * At Burgess Jct.......East winds 5 to 15 mph in the evening shifting to the southwest 5 to 10 mph overnight. * Chance of lightning...4 percent. * CWR...................Zero. .MONDAY... * Sky/weather...........Mostly sunny. Isolated showers and thunderstorms in the afternoon. * Max temperature.......76-81. * 24 hr trend.........3 degrees warmer. * Min humidity..........24-29 percent. * 24 hr trend.........1 percent wetter. * Wind (20 ft) * At Burgess Jct.......West winds 5 to 15 mph. * Chance of lightning...23 percent. * CWR...................20 percent. .MONDAY NIGHT... * Sky/weather...........Mostly cloudy. Scattered showers and thunderstorms in the evening, then scattered rain showers overnight. * Min temperature.......45-50. * 24 hr trend.........6 degrees cooler. * Max humidity..........94-99 percent. * 24 hr trend.........43 percent wetter. * Wind (20 ft) * At Burgess Jct.......West winds 5 to 15 mph. * Chance of lightning...33 percent. * CWR...................20 percent. .TUESDAY... * Sky/weather...........Mostly cloudy. Scattered rain showers in the morning, then rain showers and scattered thunderstorms in the afternoon. * Max temperature.......59-64. * 24 hr trend.........17 degrees cooler. * Min humidity..........67-72 percent. * 24 hr trend.........43 percent wetter. * Wind (20 ft) * At Burgess Jct.......North winds 5 to 15 mph. * Chance of lightning...42 percent. * CWR...................60 percent. .Forecast days 3 through 7...... .TUESDAY NIGHT...Cloudy. Showers and scattered thunderstorms. Lows 40 to 45. East winds 5 to 15 mph. .WEDNESDAY...Mostly cloudy. Numerous showers and scattered thunderstorms. Lows 36 to 41. Highs 53 to 58. North winds 5 to 15 mph. .THURSDAY...Warmer. Mostly clear. Isolated showers and thunderstorms. Lows 42 to 47. Highs 65 to 70. Southwest winds 5 to 15 mph. .FRIDAY...Partly cloudy. Isolated showers and thunderstorms. Lows 44 to 49. Highs 68 to 73. Southwest winds 5 to 15 mph. .SATURDAY...Partly cloudy. Isolated showers and thunderstorms. Lows 46 to 51. Highs 69 to 74. .SUNDAY...Mostly sunny. Isolated showers and thunderstorms. Highs 72 to 77. $$ weather.gov/billings