Routine Fire Wx Fcst (With/Without 6-10 Day Outlook)
Issued by NWS Billings, MT
Issued by NWS Billings, MT
168 FNUS55 KBYZ 130851 FWFBYZ Fire Weather Planning Forecast for SCen and SErn Montana National Weather Service Billings MT 251 AM MDT Fri Jun 13 2025 .DISCUSSION... Unsettled conditions will persist through the next several days as multiple disturbances move through the region bringing periods of showers and thunderstorms, mainly during the afternoons and evenings. Some of the thunderstorms could be strong to severe producing strong wind gusts, hail and heavy rainfall, especially today. Easterly winds will prevail most days into early next week and temperatures over the lower elevations will range from the 70s to 80s. Afternoon RH will range from 20-40 percent through the weekend. Archer MTZ123-132230- Gallatin National Forest- 251 AM MDT Fri Jun 13 2025 .Today... * Sky/weather...........Sunny in the morning, then partly sunny with scattered showers and thunderstorms in the afternoon. Some thunderstorms may be severe. * Max temperature.......74-84 at 5000 feet...64-74 at 7000 feet. * 24 hr trend.........Unchanged. * Min humidity..........31-41 percent at 5000 feet...34-44 percent at 7000 feet. * 24 hr trend.........Unchanged. * Wind (20 ft) * Slope/valley.........South winds 5 to 10 mph in the morning shifting to the northwest in the afternoon. * Ridgetop.............Southwest 10 to 20 mph. * Chance of lightning...36 percent. * CWR...................40 percent. .TONIGHT... * Sky/weather...........Partly cloudy. Isolated showers and thunderstorms in the evening. Some thunderstorms may be severe. * Min temperature.......47-57 at 5000 feet...42-52 at 7000 feet. * 24 hr trend.........Unchanged. * Max humidity..........74-84 percent at 5000 feet...65-75 percent at 7000 feet. * 24 hr trend.........3 percent wetter. * Wind (20 ft) * Slope/valley.........North winds 5 to 10 mph in the evening becoming light overnight. * Ridgetop.............Southwest 10 to 20 mph. * Chance of lightning...20 percent. * CWR...................10 percent. .SATURDAY... * Sky/weather...........Mostly sunny. Isolated showers and thunderstorms in the afternoon. * Max temperature.......75-85 at 5000 feet...64-74 at 7000 feet. * 24 hr trend.........1 degree warmer. * Min humidity..........24-34 percent at 5000 feet...26-36 percent at 7000 feet. * 24 hr trend.........7 percent drier. * Wind (20 ft) * Slope/valley.........Southwest winds 5 to 10 mph. * Ridgetop.............Southwest 10 to 20 mph. * Chance of lightning...16 percent. * CWR...................10 percent. .Forecast days 3 through 7...... .SATURDAY NIGHT...Mostly clear. Lows 46 to 56. Southwest winds 5 to 10 mph. .SUNDAY...Mostly cloudy. Scattered showers and thunderstorms. Lows 47 to 57. Highs 77 to 87. North winds 5 to 10 mph. .MONDAY...Mostly cloudy. Scattered showers and thunderstorms. Lows 44 to 54. Highs 71 to 81. Northwest winds 5 to 10 mph. .TUESDAY...Partly cloudy. Scattered showers and thunderstorms. Lows 42 to 52. Highs 66 to 76. West winds 5 to 10 mph. .WEDNESDAY...Mostly clear. Lows 42 to 52. Highs 72 to 82. .THURSDAY...Sunny. Highs 74 to 84. $$ MTZ124-132230- Wheatland County/Sweet Grass County- 251 AM MDT Fri Jun 13 2025 .Today... * Sky/weather...........Partly sunny. Patchy fog in the morning. Scattered rain showers and isolated thunderstorms in the morning, then numerous showers and thunderstorms likely in the afternoon. Some thunderstorms may be severe in the afternoon. * Max temperature.......72-77. * 24 hr trend.........3 degrees warmer. * Min humidity..........55-60 percent. * 24 hr trend.........2 percent drier. * Wind (20 ft) * Plains...............Southeast winds 5 to 15 mph. * Chance of lightning...58 percent. * CWR...................70 percent. .TONIGHT... * Sky/weather...........Mostly cloudy. Numerous rain showers and scattered thunderstorms in the evening, then scattered rain showers and isolated thunderstorms overnight. Patchy fog overnight. Some thunderstorms may be severe. * Min temperature.......50-55. * 24 hr trend.........1 degree warmer. * Max humidity..........94-99 percent. * 24 hr trend.........2 percent drier. * Wind (20 ft) * Plains...............North winds 5 to 15 mph in the evening shifting to the west 5 to 10 mph overnight. * Chance of lightning...45 percent. * CWR...................40 percent. .SATURDAY... * Sky/weather...........Mostly sunny. Scattered showers and thunderstorms in the afternoon. * Max temperature.......74-79. * 24 hr trend.........2 degrees warmer. * Min humidity..........42-47 percent. * 24 hr trend.........13 percent drier. * Wind (20 ft) * Plains...............Northwest winds 5 to 10 mph in the morning shifting to the east 5 to 15 mph in the afternoon. * Chance of lightning...38 percent. * CWR...................20 percent. .Forecast days 3 through 7...... .SATURDAY NIGHT...Mostly cloudy. Scattered showers and thunderstorms. Lows 50 to 55. North winds 5 to 15 mph. .SUNDAY...Mostly cloudy. Numerous showers and scattered thunderstorms. Lows 49 to 54. Highs 75 to 80. North winds 5 to 15 mph. .MONDAY...Mostly cloudy. Numerous showers and scattered thunderstorms. Lows 47 to 52. Highs 69 to 74. North winds 5 to 15 mph. .TUESDAY...Mostly cloudy. Scattered showers and thunderstorms. Lows 44 to 49. Highs 67 to 72. West winds 5 to 15 mph. .WEDNESDAY...Mostly clear. Isolated showers and thunderstorms. Lows 43 to 48. Highs 73 to 78. .THURSDAY...Sunny. Highs 73 to 78. $$ MTZ125-132230- Stillwater County- 251 AM MDT Fri Jun 13 2025 .Today... * Sky/weather...........Partly sunny. Scattered showers and thunderstorms in the afternoon. Some thunderstorms may be severe. * Max temperature.......77-82. * 24 hr trend.........2 degrees warmer. * Min humidity..........44-49 percent. * 24 hr trend.........1 percent wetter. * Wind (20 ft) * Plains...............Northeast winds 5 to 10 mph. * Chance of lightning...40 percent. * CWR...................30 percent. .TONIGHT... * Sky/weather...........Partly cloudy. Scattered showers and thunderstorms in the evening. Some thunderstorms may be severe. * Min temperature.......52-57. * 24 hr trend.........1 degree warmer. * Max humidity..........79-84 percent. * 24 hr trend.........5 percent drier. * Wind (20 ft) * Plains...............Northeast winds 5 to 10 mph in the evening shifting to the west overnight. * Chance of lightning...30 percent. * CWR...................20 percent. .SATURDAY... * Sky/weather...........Mostly sunny. Scattered showers and thunderstorms in the afternoon. * Max temperature.......79-84. * 24 hr trend.........2 degrees warmer. * Min humidity..........37-42 percent. * 24 hr trend.........7 percent drier. * Wind (20 ft) * Plains...............Northeast winds 5 to 10 mph. * Chance of lightning...30 percent. * CWR...................10 percent. .Forecast days 3 through 7...... .SATURDAY NIGHT...Partly cloudy. Scattered showers and thunderstorms. Lows 51 to 56. Northwest winds 5 to 10 mph. .SUNDAY...Mostly cloudy. Scattered showers and thunderstorms. Lows 52 to 57. Highs 77 to 82. North winds 5 to 10 mph. .MONDAY...Mostly cloudy. Numerous showers and scattered thunderstorms. Lows 50 to 55. Highs 72 to 77. North winds 5 to 10 mph. .TUESDAY...Mostly cloudy. Numerous showers and scattered thunderstorms. Lows 47 to 52. Highs 69 to 74. Northwest winds 5 to 10 mph. .WEDNESDAY...Partly cloudy. Isolated showers and thunderstorms. Lows 48 to 53. Highs 75 to 80. .THURSDAY...Sunny. Isolated showers and thunderstorms. Highs 76 to 81. $$ MTZ126-132230- Beartooth Ranger District Custer National Forest- 251 AM MDT Fri Jun 13 2025 .Today... * Sky/weather...........Sunny in the morning, then partly sunny with scattered showers and thunderstorms in the afternoon. Some thunderstorms may be severe. * Max temperature.......77-85 at 5000 feet...69-79 at 7000 feet. * 24 hr trend.........8 degrees warmer. * Min humidity..........36-46 percent at 5000 feet...33-43 percent at 7000 feet. * 24 hr trend.........2 percent drier. * Wind (20 ft) * Slope/valley.........South winds 5 to 15 mph. * Ridgetop.............Southwest 10 to 20 mph. * Chance of lightning...36 percent. * CWR...................15 percent. .TONIGHT... * Sky/weather...........Partly cloudy. Scattered showers and thunderstorms in the evening. Some thunderstorms may be severe. * Min temperature.......53-60 at 5000 feet...46-56 at 7000 feet. * 24 hr trend.........1 degree warmer. * Max humidity..........71-81 percent at 5000 feet...63-73 percent at 7000 feet. * 24 hr trend.........21 percent drier. * Wind (20 ft) * Slope/valley.........West winds 5 to 15 mph. * Ridgetop.............West 10 to 20 mph. * Chance of lightning...25 percent. * CWR...................10 percent. .SATURDAY... * Sky/weather...........Partly sunny. Scattered showers and thunderstorms in the afternoon. * Max temperature.......77-84 at 5000 feet...68-78 at 7000 feet. * 24 hr trend.........1 degree cooler. * Min humidity..........33-43 percent at 5000 feet...29-39 percent at 7000 feet. * 24 hr trend.........5 percent drier. * Wind (20 ft) * Slope/valley.........Northwest winds 5 to 15 mph. * Ridgetop.............Southwest 10 to 20 mph. * Chance of lightning...28 percent. * CWR...................10 percent. .Forecast days 3 through 7...... .SATURDAY NIGHT...Partly cloudy. Isolated showers and thunderstorms. Lows 53 to 61. West winds 5 to 15 mph. .SUNDAY...Mostly cloudy. Scattered showers and thunderstorms. Lows 54 to 59. Highs 76 to 84. Northwest winds 5 to 15 mph. .MONDAY...Mostly cloudy. Numerous showers and scattered thunderstorms. Lows 51 to 56. Highs 69 to 77. Northwest winds 5 to 15 mph. .TUESDAY...Mostly cloudy. Numerous showers and scattered thunderstorms. Lows 48 to 53. Highs 63 to 71. Northwest winds 5 to 15 mph. .WEDNESDAY...Mostly clear. Isolated showers and thunderstorms. Lows 49 to 56. Highs 71 to 79. .THURSDAY...Sunny. Isolated showers and thunderstorms. Highs 74 to 82. $$ MTZ127-132230- Golden Valley County/Musselshell county- 251 AM MDT Fri Jun 13 2025 .Today... * Sky/weather...........Partly sunny. Patchy fog in the morning. Isolated showers and thunderstorms in the morning, then scattered showers and thunderstorms in the afternoon. Some thunderstorms may be severe in the afternoon. * Max temperature.......74-79. * 24 hr trend.........9 degrees warmer. * Min humidity..........56-61 percent. * 24 hr trend.........10 percent drier. * Wind (20 ft) * Plains...............East winds 5 to 15 mph. * Chance of lightning...50 percent. * CWR...................40 percent. .TONIGHT... * Sky/weather...........Mostly cloudy. Numerous rain showers and scattered thunderstorms in the evening. Some thunderstorms may be severe. * Min temperature.......55-60. * 24 hr trend.........2 degrees warmer. * Max humidity..........86-91 percent. * 24 hr trend.........5 percent drier. * Wind (20 ft) * Plains...............North winds 5 to 15 mph. * Chance of lightning...53 percent. * CWR...................60 percent. .SATURDAY... * Sky/weather...........Mostly sunny. Isolated showers and thunderstorms in the afternoon. * Max temperature.......74-79. * 24 hr trend.........Unchanged. * Min humidity..........47-52 percent. * 24 hr trend.........9 percent drier. * Wind (20 ft) * Plains...............Northeast winds 5 to 10 mph. * Chance of lightning...17 percent. * CWR...................10 percent. .Forecast days 3 through 7...... .SATURDAY NIGHT...Mostly cloudy. Scattered showers and thunderstorms. Lows 57 to 62. Northeast winds 5 to 10 mph. .SUNDAY...Mostly cloudy. Numerous showers and scattered thunderstorms. Lows 56 to 61. Highs 74 to 79. Northeast winds 5 to 15 mph. .MONDAY...Mostly cloudy. Numerous showers and scattered thunderstorms. Lows 54 to 59. Highs 68 to 73. North winds 5 to 10 mph. .TUESDAY...Mostly cloudy. Scattered showers and thunderstorms. Lows 51 to 56. Highs 65 to 70. Northwest winds 5 to 10 mph. .WEDNESDAY...Mostly clear. Isolated showers and thunderstorms. Lows 52 to 57. Highs 72 to 77. .THURSDAY...Sunny. Highs 72 to 77. $$ MTZ128-132230- Yellowstone County- 251 AM MDT Fri Jun 13 2025 .Today... * Sky/weather...........Patchy fog in the morning. Mostly cloudy in the morning, then mostly sunny with scattered showers and thunderstorms in the afternoon. Some thunderstorms may be severe. * Max temperature.......82-87. * 24 hr trend.........6 degrees warmer. * Min humidity..........46-51 percent. * 24 hr trend.........5 percent wetter. * Wind (20 ft) * Plains...............Northeast winds 5 to 10 mph. * Chance of lightning...39 percent. * CWR...................30 percent. .TONIGHT... * Sky/weather...........Mostly cloudy. Scattered showers and thunderstorms in the evening. Patchy fog overnight. Some thunderstorms may be severe. * Min temperature.......56-61. * 24 hr trend.........2 degrees warmer. * Max humidity..........91-96 percent. * 24 hr trend.........1 percent drier. * Wind (20 ft) * Plains...............North winds 5 to 15 mph. * Chance of lightning...34 percent. * CWR...................35 percent. .SATURDAY... * Sky/weather...........Mostly sunny. Isolated showers and thunderstorms in the afternoon. * Max temperature.......81-86. * 24 hr trend.........1 degree cooler. * Min humidity..........40-45 percent. * 24 hr trend.........6 percent drier. * Wind (20 ft) * Plains...............Northwest winds 5 to 10 mph in the morning shifting to the northeast 5 to 15 mph in the afternoon. * Chance of lightning...17 percent. * CWR...................10 percent. .Forecast days 3 through 7...... .SATURDAY NIGHT...Partly cloudy. Scattered showers and thunderstorms. Lows 57 to 62. Northeast winds 5 to 15 mph. .SUNDAY...Mostly cloudy. Scattered showers and thunderstorms. Lows 57 to 62. Highs 81 to 86. North winds 5 to 15 mph. .MONDAY...Mostly cloudy. Numerous showers and scattered thunderstorms. Lows 54 to 59. Highs 73 to 78. North winds 5 to 15 mph. .TUESDAY...Mostly cloudy. Scattered showers and thunderstorms. Lows 50 to 55. Highs 72 to 77. Northwest winds 5 to 15 mph. .WEDNESDAY...Mostly clear. Lows 52 to 57. Highs 80 to 85. .THURSDAY...Sunny. Highs 80 to 85. $$ MTZ129-132230- Crow Indian Reservation/Bighorn Canyon Rec Area- 251 AM MDT Fri Jun 13 2025 .Today... * Sky/weather...........Mostly sunny. Scattered showers and thunderstorms in the afternoon. Some thunderstorms may be severe. * Max temperature.......74-84 at 5000 feet...69-76 at 7000 feet. * 24 hr trend.........8 degrees warmer. * Min humidity..........34-44 percent at 5000 feet...41-51 percent at 7000 feet. * 24 hr trend.........3 percent drier. * Wind (20 ft) * Slope/valley.........Southeast winds 5 to 15 mph. * Ridgetop.............Southwest 10 to 20 mph. * Chance of lightning...43 percent. * CWR...................15 percent. .TONIGHT... * Sky/weather...........Partly cloudy. Scattered showers and thunderstorms in the evening. Some thunderstorms may be severe. * Min temperature.......53-60 at 5000 feet...51-56 at 7000 feet. * 24 hr trend.........1 degree warmer. * Max humidity..........74-84 percent at 5000 feet...69-79 percent at 7000 feet. * 24 hr trend.........4 percent wetter. * Wind (20 ft) * Slope/valley.........Southeast winds 5 to 15 mph. * Ridgetop.............West 10 to 20 mph. * Chance of lightning...37 percent. * CWR...................30 percent. .SATURDAY... * Sky/weather...........Partly sunny. Scattered showers and thunderstorms in the afternoon. * Max temperature.......74-84 at 5000 feet...67-73 at 7000 feet. * 24 hr trend.........2 degrees cooler. * Min humidity..........37-47 percent at 5000 feet...43-53 percent at 7000 feet. * 24 hr trend.........Unchanged. * Wind (20 ft) * Slope/valley.........North winds 5 to 15 mph. * Ridgetop.............Southwest 10 to 20 mph. * Chance of lightning...25 percent. * CWR...................10 percent. .Forecast days 3 through 7...... .SATURDAY NIGHT...Partly cloudy. Scattered showers and thunderstorms. Lows 54 to 61. East winds 5 to 15 mph. .SUNDAY...Mostly cloudy. Numerous showers and scattered thunderstorms. Lows 53 to 59. Highs 74 to 84. Northeast winds 5 to 15 mph. .MONDAY...Mostly cloudy. Numerous showers and scattered thunderstorms. Lows 50 to 56. Highs 66 to 76. North winds 5 to 15 mph. .TUESDAY...Mostly cloudy. Numerous showers and scattered thunderstorms. Lows 47 to 53. Highs 61 to 71. Northwest winds 5 to 15 mph. .WEDNESDAY...Mostly clear. Isolated showers and thunderstorms. Lows 50 to 55. Highs 70 to 80. .THURSDAY...Sunny. Highs 71 to 81. $$ MTZ130-132230- Northern Rosebud/Northern Treasure Counties- 251 AM MDT Fri Jun 13 2025 .Today... * Sky/weather...........Partly sunny. Patchy fog in the morning. Isolated showers and thunderstorms in the morning, then scattered showers and thunderstorms in the afternoon. Some thunderstorms may be severe in the afternoon. * Max temperature.......79-84. * 24 hr trend.........11 degrees warmer. * Min humidity..........47-52 percent. * 24 hr trend.........14 percent drier. * Wind (20 ft) * Plains...............East winds 5 to 15 mph. * Chance of lightning...36 percent. * CWR...................20 percent. .TONIGHT... * Sky/weather...........Mostly cloudy. Numerous showers and thunderstorms likely in the evening, then isolated showers and thunderstorms overnight. Some thunderstorms may be severe in the evening. * Min temperature.......56-61. * 24 hr trend.........2 degrees warmer. * Max humidity..........93-98 percent. * 24 hr trend.........2 percent drier. * Wind (20 ft) * Plains...............Northeast winds 5 to 15 mph. * Chance of lightning...55 percent. * CWR...................60 percent. .SATURDAY... * Sky/weather...........Mostly sunny. Patchy fog in the morning. * Max temperature.......80-85. * 24 hr trend.........1 degree warmer. * Min humidity..........41-46 percent. * 24 hr trend.........6 percent drier. * Wind (20 ft) * Plains...............North winds 5 to 10 mph. * Chance of lightning...12 percent. * CWR...................Less than 10 percent. .Forecast days 3 through 7...... .SATURDAY NIGHT...Mostly cloudy. Scattered showers and thunderstorms. Lows 59 to 64. Northeast winds 5 to 10 mph. .SUNDAY...Mostly cloudy. Showers and scattered thunderstorms. Lows 57 to 62. Highs 83 to 88. Northeast winds 5 to 10 mph. .MONDAY...Mostly cloudy. Numerous showers and thunderstorms likely. Lows 55 to 60. Highs 74 to 79. Northeast winds 5 to 10 mph. .TUESDAY...Mostly cloudy. Scattered showers and thunderstorms. Lows 51 to 56. Highs 71 to 76. Northwest winds 5 to 10 mph. .WEDNESDAY...Partly cloudy. Scattered showers and isolated thunderstorms. Lows 53 to 58. Highs 77 to 82. .THURSDAY...Sunny. Highs 78 to 83. $$ MTZ131-132230- Northern Cheyenne Indian Reservation/Ashland Ranger District Custer Natl Forest- 251 AM MDT Fri Jun 13 2025 .Today... * Sky/weather...........Partly sunny. Patchy fog in the morning. Scattered showers and thunderstorms in the afternoon. Some thunderstorms may be severe. * Max temperature.......80-85. * 24 hr trend.........3 degrees warmer. * Min humidity..........48-53 percent. * 24 hr trend.........9 percent wetter. * Wind (20 ft) * Slope/valley.........Southeast winds 5 to 15 mph. * Ridgetop.............South 10 to 20 mph. * Chance of lightning...41 percent. * CWR...................15 percent. .TONIGHT... * Sky/weather...........Mostly cloudy with scattered showers and thunderstorms in the evening, then mostly clear overnight. Patchy fog overnight. Some thunderstorms may be severe. * Min temperature.......55-60. * 24 hr trend.........2 degrees warmer. * Max humidity..........95-100 percent. * 24 hr trend.........Unchanged. * Wind (20 ft) * Slope/valley.........Southeast winds 5 to 15 mph. * Ridgetop.............Southwest 10 to 20 mph. * Chance of lightning...42 percent. * CWR...................40 percent. .SATURDAY... * Sky/weather...........Mostly sunny. Patchy fog in the morning. Isolated showers and thunderstorms in the afternoon. * Max temperature.......81-86. * 24 hr trend.........1 degree warmer. * Min humidity..........43-48 percent. * 24 hr trend.........5 percent drier. * Wind (20 ft) * Slope/valley.........North winds 5 to 15 mph. * Ridgetop.............Southwest 10 to 20 mph. * Chance of lightning...19 percent. * CWR...................10 percent. .Forecast days 3 through 7...... .SATURDAY NIGHT...Mostly cloudy. Scattered showers and thunderstorms. Lows 56 to 61. Southeast winds 5 to 10 mph. .SUNDAY...Mostly cloudy. Numerous showers and scattered thunderstorms. Lows 54 to 59. Highs 83 to 88. East winds 5 to 15 mph. .MONDAY...Mostly cloudy. Numerous showers and scattered thunderstorms. Lows 53 to 58. Highs 76 to 81. North winds 5 to 15 mph. .TUESDAY...Mostly cloudy. Scattered showers and thunderstorms. Lows 48 to 53. Highs 68 to 73. Northwest winds 5 to 10 mph. .WEDNESDAY...Mostly clear. Lows 51 to 56. Highs 76 to 81. .THURSDAY...Sunny. Highs 77 to 82. $$ MTZ132-132230- Custer County- 251 AM MDT Fri Jun 13 2025 .Today... * Sky/weather...........Partly sunny. Patchy fog in the morning. Isolated showers and thunderstorms in the afternoon. Some thunderstorms may be severe. * Max temperature.......72-77. * 24 hr trend.........15 degrees warmer. * Min humidity..........51-56 percent. * 24 hr trend.........30 percent drier. * Wind (20 ft) * Plains...............Southeast winds 10 to 20 mph. * Chance of lightning...17 percent. * CWR...................10 percent. .TONIGHT... * Sky/weather...........Mostly cloudy. Numerous rain showers and scattered thunderstorms in the evening, then scattered showers and thunderstorms overnight. Some thunderstorms may be severe in the evening. * Min temperature.......55-60. * 24 hr trend.........3 degrees warmer. * Max humidity..........91-96 percent. * 24 hr trend.........1 percent drier. * Wind (20 ft) * Plains...............East winds 5 to 15 mph. * Chance of lightning...41 percent. * CWR...................60 percent. .SATURDAY... * Sky/weather...........Mostly sunny. Isolated showers and thunderstorms in the afternoon. * Max temperature.......77-82. * 24 hr trend.........5 degrees warmer. * Min humidity..........48-53 percent. * 24 hr trend.........3 percent drier. * Wind (20 ft) * Plains...............East winds 5 to 15 mph. * Chance of lightning...17 percent. * CWR...................Less than 10 percent. .Forecast days 3 through 7...... .SATURDAY NIGHT...Mostly cloudy. Scattered showers and thunderstorms. Lows 57 to 62. East winds 5 to 10 mph. .SUNDAY...Mostly cloudy. Numerous showers and scattered thunderstorms. Lows 57 to 62. Highs 81 to 86. Southeast winds 5 to 15 mph. .MONDAY...Mostly cloudy. Numerous showers and scattered thunderstorms. Lows 55 to 60. Highs 75 to 80. Northeast winds 5 to 15 mph. .TUESDAY...Mostly cloudy. Scattered showers and thunderstorms. Lows 51 to 56. Highs 69 to 74. North winds 5 to 15 mph. .WEDNESDAY...Partly cloudy. Isolated showers and thunderstorms. Lows 52 to 57. Highs 73 to 78. .THURSDAY...Sunny. Highs 74 to 79. $$ MTZ133-132230- Sioux Ranger District Custer National Forest- 251 AM MDT Fri Jun 13 2025 .Today... * Sky/weather...........Patchy fog in the morning. Mostly cloudy in the morning, then mostly sunny with isolated showers and thunderstorms in the afternoon. Some thunderstorms may be severe. * Max temperature.......71-76. * 24 hr trend.........13 degrees warmer. * Min humidity..........62-67 percent. * 24 hr trend.........22 percent drier. * Wind (20 ft) * Plains...............East winds 10 to 20 mph. * Chance of lightning...20 percent. * CWR...................10 percent. .TONIGHT... * Sky/weather...........Mostly cloudy. Scattered showers and thunderstorms in the evening, then numerous rain showers and scattered thunderstorms overnight. Some thunderstorms may be severe in the evening. * Min temperature.......53-58. * 24 hr trend.........1 degree warmer. * Max humidity..........95-100 percent. * 24 hr trend.........2 percent drier. * Wind (20 ft) * Plains...............East winds 10 to 20 mph. * Chance of lightning...35 percent. * CWR...................40 percent. .SATURDAY... * Sky/weather...........Mostly sunny. Isolated showers and thunderstorms in the afternoon. * Max temperature.......77-82. * 24 hr trend.........6 degrees warmer. * Min humidity..........60-65 percent. * 24 hr trend.........2 percent drier. * Wind (20 ft) * Plains...............East winds 5 to 15 mph. * Chance of lightning...16 percent. * CWR...................Less than 10 percent. .Forecast days 3 through 7...... .SATURDAY NIGHT...Mostly cloudy. Scattered showers and thunderstorms. Lows 56 to 61. East winds 5 to 15 mph. .SUNDAY...Mostly cloudy. Numerous showers and scattered thunderstorms. Lows 57 to 62. Highs 81 to 86. Southeast winds 5 to 15 mph. .MONDAY...Mostly cloudy. Numerous showers and scattered thunderstorms. Lows 55 to 60. Highs 77 to 82. East winds 5 to 15 mph. .TUESDAY...Mostly cloudy. Scattered showers and thunderstorms. Lows 51 to 56. Highs 68 to 73. North winds 5 to 15 mph. .WEDNESDAY...Mostly clear. Isolated showers. Lows 51 to 56. Highs 72 to 77. .THURSDAY...Sunny. Highs 77 to 82. $$ WYZ274-132230- Sheridan County- 251 AM MDT Fri Jun 13 2025 .Today... * Sky/weather...........Patchy fog in the morning. Sunny in the morning, then partly sunny with scattered showers and thunderstorms in the afternoon. Some thunderstorms may be severe. * Max temperature.......82-87. * 24 hr trend.........9 degrees warmer. * Min humidity..........42-47 percent. * 24 hr trend.........6 percent drier. * Wind (20 ft) * Slope/valley.........East winds 5 to 10 mph. * Ridgetop.............Southwest 5 to 15 mph. * Chance of lightning...44 percent. * CWR...................10 percent. .TONIGHT... * Sky/weather...........Mostly cloudy with scattered showers and thunderstorms in the evening, then mostly clear overnight. Patchy fog overnight. Some thunderstorms may be severe. * Min temperature.......52-57. * 24 hr trend.........2 degrees warmer. * Max humidity..........93-98 percent. * 24 hr trend.........1 percent drier. * Wind (20 ft) * Slope/valley.........East winds 5 to 10 mph in the evening shifting to the west overnight. * Ridgetop.............West 5 to 15 mph. * Chance of lightning...32 percent. * CWR...................15 percent. .SATURDAY... * Sky/weather...........Mostly sunny. Scattered showers and thunderstorms in the afternoon. * Max temperature.......81-86. * 24 hr trend.........1 degree cooler. * Min humidity..........44-49 percent. * 24 hr trend.........2 percent wetter. * Wind (20 ft) * Slope/valley.........North winds 5 to 10 mph. * Ridgetop.............Southwest 5 to 15 mph. * Chance of lightning...27 percent. * CWR...................10 percent. .Forecast days 3 through 7...... .SATURDAY NIGHT...Partly cloudy. Scattered showers and thunderstorms. Lows 53 to 58. South winds 5 to 10 mph. .SUNDAY...Mostly cloudy. Scattered showers and thunderstorms. Lows 51 to 56. Highs 83 to 88. Northwest winds 5 to 10 mph. .MONDAY...Mostly cloudy. Numerous showers and scattered thunderstorms. Lows 50 to 55. Highs 76 to 81. Northwest winds 5 to 10 mph. .TUESDAY...Mostly cloudy. Numerous showers and scattered thunderstorms. Lows 45 to 50. Highs 68 to 73. Northwest winds 5 to 10 mph. .WEDNESDAY...Mostly clear. Lows 48 to 53. Highs 76 to 81. .THURSDAY...Sunny. Highs 78 to 83. $$ WYZ284-132230- Bighorn National Forest- 251 AM MDT Fri Jun 13 2025 .Today... * Sky/weather...........Sunny in the morning, then partly sunny with scattered showers and thunderstorms in the afternoon. Some thunderstorms may be severe. * Max temperature.......69-74. * 24 hr trend.........5 degrees warmer. * Min humidity..........30-35 percent. * 24 hr trend.........2 percent wetter. * Wind (20 ft) * At Burgess Jct.......Southwest winds 5 to 15 mph. * Chance of lightning...40 percent. * CWR...................10 percent. .TONIGHT... * Sky/weather...........Mostly cloudy with scattered showers and thunderstorms in the evening, then mostly clear overnight. Some thunderstorms may be severe. * Min temperature.......47-52. * 24 hr trend.........3 degrees warmer. * Max humidity..........66-71 percent. * 24 hr trend.........24 percent drier. * Wind (20 ft) * At Burgess Jct.......Southwest winds 5 to 15 mph. * Chance of lightning...32 percent. * CWR...................Less than 10 percent. .SATURDAY... * Sky/weather...........Sunny in the morning, then partly sunny with scattered showers and thunderstorms in the afternoon. * Max temperature.......69-74. * 24 hr trend.........Unchanged. * Min humidity..........30-35 percent. * 24 hr trend.........Unchanged. * Wind (20 ft) * At Burgess Jct.......West winds 5 to 15 mph. * Chance of lightning...34 percent. * CWR...................10 percent. .Forecast days 3 through 7...... .SATURDAY NIGHT...Partly cloudy. Scattered showers and thunderstorms. Lows 47 to 52. Southwest winds 5 to 15 mph. .SUNDAY...Mostly cloudy. Scattered showers and thunderstorms. Lows 45 to 50. Highs 70 to 75. South winds 5 to 15 mph. .MONDAY...Mostly cloudy. Numerous showers and scattered thunderstorms. Lows 42 to 47. Highs 63 to 68. West winds 5 to 15 mph. .TUESDAY...Mostly cloudy. Numerous showers and scattered thunderstorms. Lows 37 to 42. Highs 54 to 59. West winds 5 to 15 mph. .WEDNESDAY...Partly cloudy. Isolated showers and thunderstorms. Lows 42 to 47. Highs 62 to 67. .THURSDAY...Mostly sunny. Isolated showers and thunderstorms. Highs 64 to 69. $$ weather.gov/billings