Routine Fire Wx Fcst (With/Without 6-10 Day Outlook)
Issued by NWS Billings, MT
Issued by NWS Billings, MT
995 FNUS55 KBYZ 140843 FWFBYZ Fire Weather Planning Forecast for SCen and SErn Montana National Weather Service Billings MT 243 AM MDT Fri Aug 14 2026 .DISCUSSION... Showers and isolated to scattered thunderstorms are forecast through Saturday. The main concerns with convection are moderate to heavy rainfall, lightning, and erratic wind gusts. Minimum relative humidity values are forecast to stay above 30% for all districts through Saturday, along with excellent overnight recoveries. A warmer and drier trend looks to begin Sunday into the new week, with MinRH values dropping into the 20s percent. Matos MTZ123-142230- Gallatin National Forest- 243 AM MDT Fri Aug 14 2026 .Today... * Sky/weather...........Mostly cloudy. Scattered rain showers in the morning, then rain showers and scattered thunderstorms in the afternoon. * Max temperature.......64-72 at 5000 feet...54-64 at 7000 feet. * 24 hr trend.........3 degrees cooler. * Min humidity..........57-67 percent at 5000 feet...62-72 percent at 7000 feet. * 24 hr trend.........21 percent wetter. * Wind (20 ft) * Slope/valley.........Light winds. * Ridgetop.............Southwest 5 to 10 mph. * Chance of lightning...52 percent. * CWR...................80 percent. .TONIGHT... * Sky/weather...........Mostly cloudy. Numerous rain showers and scattered thunderstorms in the evening, then isolated rain showers overnight. * Min temperature.......44-54 at 5000 feet...41-51 at 7000 feet. * 24 hr trend.........2 degrees cooler. * Max humidity..........85-95 percent at 5000 feet...82-92 percent at 7000 feet. * 24 hr trend.........2 percent drier. * Wind (20 ft) * Slope/valley.........Light winds. * Ridgetop.............West 5 to 10 mph. * Chance of lightning...35 percent. * CWR...................40 percent. .SATURDAY... * Sky/weather...........Mostly sunny in the morning, then mostly cloudy with scattered showers and thunderstorms in the afternoon. * Max temperature.......69-79 at 5000 feet...57-67 at 7000 feet. * 24 hr trend.........3 degrees warmer. * Min humidity..........48-53 percent. * 24 hr trend.........14 percent drier. * Wind (20 ft) * Slope/valley.........Light winds in the morning becoming west 5 to 10 mph in the afternoon. * Ridgetop.............Southwest 5 to 15 mph. * Chance of lightning...38 percent. * CWR...................20 percent. .Forecast days 3 through 7...... .SATURDAY NIGHT...Mostly cloudy. Scattered showers and thunderstorms. Lows 44 to 54. South winds 5 to 10 mph. .SUNDAY...Partly cloudy. Isolated showers. Lows 47 to 57. Highs 74 to 84. Southwest winds 5 to 10 mph. .MONDAY...Mostly cloudy. Showers and scattered thunderstorms. Lows 46 to 56. Highs 76 to 85. Southwest winds 5 to 10 mph. .TUESDAY...Mostly cloudy. Numerous showers and scattered thunderstorms. Lows 44 to 54. Highs 70 to 79. Southwest winds 5 to 10 mph. .WEDNESDAY...Mostly cloudy. Scattered showers and thunderstorms. Lows 44 to 54. Highs 70 to 80. .THURSDAY...Mostly sunny. Isolated showers and thunderstorms. Highs 73 to 83. $$ MTZ124-142230- Wheatland County/Sweet Grass County- 243 AM MDT Fri Aug 14 2026 .Today... * Sky/weather...........Mostly cloudy. Patchy fog in the morning. Rain showers in the morning, then numerous rain showers and scattered thunderstorms in the afternoon. * Max temperature.......65-70. * 24 hr trend.........1 degree cooler. * Min humidity..........57-62 percent. * 24 hr trend.........28 percent drier. * Wind (20 ft) * Plains...............North winds 5 to 15 mph. * Chance of lightning...34 percent. * CWR...................30 percent. .TONIGHT... * Sky/weather...........Mostly cloudy. Rain showers and scattered thunderstorms in the evening, then scattered rain showers overnight. * Min temperature.......47-52. * 24 hr trend.........5 degrees cooler. * Max humidity..........100 percent. * 24 hr trend.........Unchanged. * Wind (20 ft) * Plains...............North winds 5 to 10 mph. * Chance of lightning...31 percent. * CWR...................70 percent. .SATURDAY... * Sky/weather...........Partly sunny. Isolated rain showers in the morning, then scattered showers and thunderstorms in the afternoon. * Max temperature.......72-77. * 24 hr trend.........7 degrees warmer. * Min humidity..........47-52 percent. * 24 hr trend.........10 percent drier. * Wind (20 ft) * Plains...............Southeast winds 5 to 10 mph. * Chance of lightning...28 percent. * CWR...................10 percent. .Forecast days 3 through 7...... .SATURDAY NIGHT...Mostly cloudy. Scattered showers and thunderstorms. Lows 48 to 53. South winds 5 to 10 mph. .SUNDAY...Partly cloudy. Lows 49 to 54. Highs 79 to 84. West winds 5 to 10 mph. .MONDAY...Mostly cloudy. Numerous showers and isolated thunderstorms. Lows 49 to 54. Highs 80 to 85. West winds 5 to 15 mph. .TUESDAY...Mostly cloudy. Numerous showers and isolated thunderstorms. Lows 45 to 50. Highs 73 to 78. Northwest winds 5 to 15 mph. .WEDNESDAY...Partly cloudy. Isolated showers and thunderstorms. Lows 46 to 51. Highs 74 to 79. .THURSDAY...Mostly sunny. Highs 77 to 82. $$ MTZ125-142230- Stillwater County- 243 AM MDT Fri Aug 14 2026 .Today... * Sky/weather...........Mostly cloudy. Patchy fog in the morning. Scattered rain showers in the morning, then rain showers and scattered thunderstorms in the afternoon. * Max temperature.......66-71. * 24 hr trend.........3 degrees cooler. * Min humidity..........56-61 percent. * 24 hr trend.........28 percent drier. * Wind (20 ft) * Plains...............Light winds in the morning becoming north 5 to 10 mph in the afternoon. * Chance of lightning...43 percent. * CWR...................70 percent. .TONIGHT... * Sky/weather...........Mostly cloudy. Numerous rain showers and scattered thunderstorms in the evening, then scattered rain showers overnight. * Min temperature.......51-56. * 24 hr trend.........2 degrees cooler. * Max humidity..........88-93 percent. * 24 hr trend.........3 percent drier. * Wind (20 ft) * Plains...............North winds 5 to 10 mph in the evening becoming light overnight. * Chance of lightning...32 percent. * CWR...................40 percent. .SATURDAY... * Sky/weather...........Partly sunny. Isolated rain showers in the morning, then numerous rain showers and scattered thunderstorms in the afternoon. * Max temperature.......72-77. * 24 hr trend.........6 degrees warmer. * Min humidity..........50-55 percent. * 24 hr trend.........6 percent drier. * Wind (20 ft) * Plains...............Light winds in the morning becoming east 5 to 10 mph in the afternoon. * Chance of lightning...38 percent. * CWR...................10 percent. .Forecast days 3 through 7...... .SATURDAY NIGHT...Mostly cloudy. Numerous showers and scattered thunderstorms. Lows 50 to 55. Southwest winds 5 to 10 mph. .SUNDAY...Partly cloudy. Isolated showers and thunderstorms. Lows 52 to 57. Highs 79 to 84. Southwest winds 5 to 10 mph. .MONDAY...Mostly cloudy. Numerous showers and scattered thunderstorms. Lows 53 to 58. Highs 81 to 86. Southwest winds 5 to 10 mph. .TUESDAY...Mostly cloudy. Numerous showers and scattered thunderstorms. Lows 50 to 55. Highs 76 to 81. West winds 5 to 10 mph. .WEDNESDAY...Mostly cloudy. Scattered showers and thunderstorms. Lows 50 to 55. Highs 76 to 81. .THURSDAY...Mostly sunny. Isolated showers and thunderstorms. Highs 79 to 84. $$ MTZ126-142230- Beartooth Ranger District Custer National Forest- 243 AM MDT Fri Aug 14 2026 .Today... * Sky/weather...........Mostly cloudy. Areas of fog in the morning. Scattered rain showers in the morning, then numerous rain showers and scattered thunderstorms in the afternoon. * Max temperature.......65-71 at 5000 feet...54-64 at 7000 feet. * 24 hr trend.........3 degrees cooler. * Min humidity..........59-69 percent at 5000 feet...67-77 percent at 7000 feet. * 24 hr trend.........16 percent wetter. * Wind (20 ft) * Slope/valley.........North winds 5 to 10 mph. * Ridgetop.............West 5 to 10 mph. * Chance of lightning...47 percent. * CWR...................60 percent. .TONIGHT... * Sky/weather...........Mostly cloudy. Scattered showers and thunderstorms in the evening, then scattered rain showers overnight. * Min temperature.......51-57 at 5000 feet...42-52 at 7000 feet. * 24 hr trend.........Unchanged. * Max humidity..........84-89 percent. * 24 hr trend.........6 percent drier. * Wind (20 ft) * Slope/valley.........West winds 5 to 10 mph. * Ridgetop.............West 5 to 15 mph. * Chance of lightning...32 percent. * CWR...................30 percent. .SATURDAY... * Sky/weather...........Partly sunny. Isolated rain showers in the morning, then numerous rain showers and scattered thunderstorms in the afternoon. * Max temperature.......67-74 at 5000 feet...58-68 at 7000 feet. * 24 hr trend.........3 degrees warmer. * Min humidity..........54-64 percent at 5000 feet...61-71 percent at 7000 feet. * 24 hr trend.........8 percent drier. * Wind (20 ft) * Slope/valley.........North winds 5 to 10 mph in the morning shifting to the east in the afternoon. * Ridgetop.............West 5 to 15 mph. * Chance of lightning...44 percent. * CWR...................60 percent. .Forecast days 3 through 7...... .SATURDAY NIGHT...Mostly cloudy. Numerous showers and scattered thunderstorms. Lows 51 to 58. Southwest winds 5 to 10 mph. .SUNDAY...Mostly cloudy. Scattered showers and thunderstorms. Lows 53 to 61. Highs 72 to 81. West winds 5 to 10 mph. .MONDAY...Mostly cloudy. Numerous showers and scattered thunderstorms. Lows 53 to 60. Highs 75 to 84. West winds 5 to 15 mph. .TUESDAY...Mostly cloudy. Showers and scattered thunderstorms. Lows 51 to 57. Highs 69 to 78. West winds 5 to 15 mph. .WEDNESDAY...Mostly cloudy. Scattered showers and thunderstorms. Lows 51 to 58. Highs 69 to 77. .THURSDAY...Partly sunny. Isolated showers and thunderstorms. Highs 73 to 81. $$ MTZ127-142230- Golden Valley County/Musselshell county- 243 AM MDT Fri Aug 14 2026 .Today... * Sky/weather...........Patchy fog in the morning. Cloudy with numerous rain showers in the morning, then isolated showers and thunderstorms in the afternoon. * Max temperature.......64-69. * 24 hr trend.........3 degrees cooler. * Min humidity..........75-80 percent. * 24 hr trend.........16 percent drier. * Wind (20 ft) * Plains...............North winds 5 to 15 mph. * Chance of lightning...15 percent. * CWR...................10 percent. .TONIGHT... * Sky/weather...........Mostly cloudy. Scattered rain showers and isolated thunderstorms in the evening, then scattered rain showers overnight. * Min temperature.......53-58. * 24 hr trend.........Unchanged. * Max humidity..........100 percent. * 24 hr trend.........Unchanged. * Wind (20 ft) * Plains...............North winds 5 to 10 mph. * Chance of lightning...20 percent. * CWR...................30 percent. .SATURDAY... * Sky/weather...........Mostly sunny. Scattered rain showers in the morning. * Max temperature.......67-72. * 24 hr trend.........3 degrees warmer. * Min humidity..........66-71 percent. * 24 hr trend.........9 percent drier. * Wind (20 ft) * Plains...............East 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 isolated thunderstorms. Lows 53 to 58. Southeast winds 5 to 10 mph. .SUNDAY...Partly cloudy. Isolated showers. Lows 57 to 62. Highs 75 to 80. Southwest winds 5 to 10 mph. .MONDAY...Mostly cloudy. Numerous showers and isolated thunderstorms. Lows 56 to 61. Highs 79 to 84. West winds 5 to 10 mph. .TUESDAY...Mostly cloudy. Scattered showers and isolated thunderstorms. Lows 52 to 57. Highs 70 to 75. Northwest winds 5 to 10 mph. .WEDNESDAY...Mostly cloudy. Scattered showers and isolated thunderstorms. Lows 54 to 59. Highs 72 to 77. .THURSDAY...Mostly sunny. Highs 75 to 80. $$ MTZ128-142230- Yellowstone County- 243 AM MDT Fri Aug 14 2026 .Today... * Sky/weather...........Mostly cloudy. Patchy fog in the morning. Numerous rain showers in the morning, then scattered rain showers and isolated thunderstorms in the afternoon. * Max temperature.......70-75. * 24 hr trend.........3 degrees cooler. * Min humidity..........65-70 percent. * 24 hr trend.........11 percent drier. * Wind (20 ft) * Plains...............North winds 5 to 15 mph. * Chance of lightning...22 percent. * CWR...................10 percent. .TONIGHT... * Sky/weather...........Mostly cloudy. Numerous rain showers and scattered thunderstorms in the evening, then scattered rain showers overnight. * Min temperature.......55-60. * 24 hr trend.........2 degrees cooler. * Max humidity..........94-99 percent. * 24 hr trend.........4 percent drier. * Wind (20 ft) * Plains...............North winds 5 to 10 mph. * Chance of lightning...25 percent. * CWR...................50 percent. .SATURDAY... * Sky/weather...........Mostly cloudy with scattered rain showers in the morning, then partly cloudy with isolated showers and thunderstorms in the afternoon. * Max temperature.......73-78. * 24 hr trend.........3 degrees warmer. * Min humidity..........60-65 percent. * 24 hr trend.........5 percent drier. * Wind (20 ft) * Plains...............Northeast winds 5 to 10 mph. * Chance of lightning...18 percent. * CWR...................Less than 10 percent. .Forecast days 3 through 7...... .SATURDAY NIGHT...Mostly cloudy. Scattered showers and isolated thunderstorms. Lows 54 to 59. East winds 5 to 10 mph. .SUNDAY...Partly cloudy. Scattered showers. Lows 56 to 61. Highs 81 to 86. Southwest winds 5 to 10 mph. .MONDAY...Mostly cloudy. Numerous showers and isolated thunderstorms. Lows 56 to 61. Highs 84 to 89. West winds 5 to 15 mph. .TUESDAY...Mostly cloudy. Scattered showers and isolated thunderstorms. Lows 53 to 58. Highs 76 to 81. Northwest winds 5 to 10 mph. .WEDNESDAY...Mostly cloudy. Scattered showers and isolated thunderstorms. Lows 54 to 59. Highs 77 to 82. .THURSDAY...Mostly sunny. Highs 81 to 86. $$ MTZ129-142230- Crow Indian Reservation/Bighorn Canyon Rec Area- 243 AM MDT Fri Aug 14 2026 .Today... * Sky/weather...........Cloudy with scattered rain showers in the morning, then mostly sunny with isolated showers and thunderstorms in the afternoon. * Max temperature.......62-72 at 5000 feet...57-63 at 7000 feet. * 24 hr trend.........7 degrees cooler. * Min humidity..........61-71 percent at 5000 feet...76-86 percent at 7000 feet. * 24 hr trend.........17 percent wetter. * Wind (20 ft) * Slope/valley.........Northwest winds 5 to 15 mph. * Ridgetop.............Northwest 5 to 15 mph. * Chance of lightning...21 percent. * CWR...................30 percent. .TONIGHT... * Sky/weather...........Mostly cloudy. Numerous rain showers and scattered thunderstorms in the evening, then scattered rain showers overnight. * Min temperature.......52-57 at 5000 feet...49-54 at 7000 feet. * 24 hr trend.........1 degree cooler. * Max humidity..........84-94 percent at 5000 feet...88-98 percent at 7000 feet. * 24 hr trend.........3 percent drier. * Wind (20 ft) * Slope/valley.........North winds 5 to 10 mph in the evening shifting to the east overnight. * Ridgetop.............Northeast 5 to 10 mph. * Chance of lightning...26 percent. * CWR...................40 percent. .SATURDAY... * Sky/weather...........Partly sunny. Scattered rain showers in the morning, then scattered showers and thunderstorms in the afternoon. * Max temperature.......65-75 at 5000 feet...57-65 at 7000 feet. * 24 hr trend.........2 degrees warmer. * Min humidity..........55-65 percent at 5000 feet...69-79 percent at 7000 feet. * 24 hr trend.........8 percent drier. * Wind (20 ft) * Slope/valley.........Northeast winds 5 to 10 mph. * Ridgetop.............East 5 to 15 mph. * Chance of lightning...26 percent. * CWR...................30 percent. .Forecast days 3 through 7...... .SATURDAY NIGHT...Mostly cloudy. Scattered showers and thunderstorms. Lows 52 to 58. Southeast winds 5 to 10 mph. .SUNDAY...Partly cloudy. Isolated showers and thunderstorms. Lows 55 to 60. Highs 72 to 82. Southwest winds 5 to 10 mph. .MONDAY...Mostly cloudy. Numerous showers and isolated thunderstorms. Lows 55 to 60. Highs 76 to 86. West winds 5 to 10 mph. .TUESDAY...Mostly cloudy. Scattered showers and isolated thunderstorms. Lows 52 to 57. Highs 69 to 79. Northwest winds 5 to 10 mph. .WEDNESDAY...Mostly cloudy. Scattered showers and isolated thunderstorms. Lows 53 to 58. Highs 68 to 78. .THURSDAY...Partly sunny. Highs 73 to 83. $$ MTZ130-142230- Northern Rosebud/Northern Treasure Counties- 243 AM MDT Fri Aug 14 2026 .Today... * Sky/weather...........Mostly cloudy. Patchy fog in the morning. Numerous rain showers in the morning, then isolated rain showers in the afternoon. * Max temperature.......72-77. * 24 hr trend.........6 degrees cooler. * Min humidity..........63-68 percent. * 24 hr trend.........11 percent wetter. * Wind (20 ft) * Plains...............Northwest winds 5 to 15 mph. * Chance of lightning...13 percent. * CWR...................30 percent. .TONIGHT... * Sky/weather...........Mostly cloudy. Isolated rain showers overnight. * Min temperature.......53-58. * 24 hr trend.........7 degrees cooler. * Max humidity..........100 percent. * 24 hr trend.........Unchanged. * Wind (20 ft) * Plains...............Northwest winds 5 to 10 mph. * Chance of lightning...8 percent. * CWR...................Less than 10 percent. .SATURDAY... * Sky/weather...........Mostly cloudy with isolated rain showers in the morning, then mostly sunny in the afternoon. * Max temperature.......74-79. * 24 hr trend.........2 degrees warmer. * Min humidity..........50-55 percent. * 24 hr trend.........13 percent drier. * Wind (20 ft) * Plains...............North winds 5 to 10 mph. * Chance of lightning...4 percent. * CWR...................Less than 10 percent. .Forecast days 3 through 7...... .SATURDAY NIGHT...Partly cloudy. Scattered showers. Lows 52 to 57. East winds 5 to 10 mph. .SUNDAY...Partly cloudy. Isolated showers. Lows 55 to 60. Highs 82 to 87. Southeast winds 5 to 10 mph. .MONDAY...Mostly cloudy. Scattered showers and isolated thunderstorms. Lows 56 to 61. Highs 86 to 91. Northwest winds 5 to 10 mph. .TUESDAY...Mostly cloudy. Scattered showers and isolated thunderstorms. Lows 51 to 56. Highs 78 to 83. North winds 5 to 10 mph. .WEDNESDAY...Partly cloudy. Scattered showers and isolated thunderstorms. Lows 52 to 57. Highs 79 to 84. .THURSDAY...Partly sunny. Isolated showers. Highs 82 to 87. $$ MTZ131-142230- Northern Cheyenne Indian Reservation/Ashland Ranger District Custer Natl Forest- 243 AM MDT Fri Aug 14 2026 .Today... * Sky/weather...........Partly sunny. Isolated rain showers in the morning. * Max temperature.......74-79. * 24 hr trend.........4 degrees cooler. * Min humidity..........51-56 percent. * 24 hr trend.........6 percent wetter. * Wind (20 ft) * Slope/valley.........Northwest winds 5 to 15 mph. * Ridgetop.............West 10 to 20 mph. * Chance of lightning...10 percent. * CWR...................Less than 10 percent. .TONIGHT... * Sky/weather...........Mostly cloudy. Scattered rain showers and isolated thunderstorms in the evening, then scattered rain showers overnight. * Min temperature.......52-57. * 24 hr trend.........6 degrees cooler. * Max humidity..........100 percent. * 24 hr trend.........Unchanged. * Wind (20 ft) * Slope/valley.........Northwest winds 5 to 10 mph. * Ridgetop.............West 10 to 20 mph. * Chance of lightning...19 percent. * CWR...................10 percent. .SATURDAY... * Sky/weather...........Mostly cloudy with scattered rain showers in the morning, then mostly sunny in the afternoon. * Max temperature.......73-78. * 24 hr trend.........1 degree cooler. * Min humidity..........46-51 percent. * 24 hr trend.........5 percent drier. * Wind (20 ft) * Slope/valley.........North winds 5 to 10 mph. * Ridgetop.............West 5 to 15 mph. * Chance of lightning...9 percent. * CWR...................10 percent. .Forecast days 3 through 7...... .SATURDAY NIGHT...Partly cloudy. Scattered showers and isolated thunderstorms. Lows 50 to 55. East winds 5 to 10 mph. .SUNDAY...Mostly clear. Isolated showers. Lows 52 to 57. Highs 81 to 86. South winds 5 to 10 mph. .MONDAY...Partly cloudy. Scattered showers and isolated thunderstorms. Lows 54 to 59. Highs 85 to 90. West winds 5 to 10 mph. .TUESDAY...Mostly cloudy. Scattered showers and thunderstorms. Lows 50 to 55. Highs 78 to 83. Northwest winds 5 to 10 mph. .WEDNESDAY...Mostly cloudy. Scattered showers and isolated thunderstorms. Lows 50 to 55. Highs 78 to 83. .THURSDAY...Partly sunny. Isolated showers and thunderstorms. Highs 82 to 87. $$ MTZ132-142230- Custer County- 243 AM MDT Fri Aug 14 2026 .Today... * Sky/weather...........Mostly cloudy. Numerous rain showers in the morning, then scattered rain showers and isolated thunderstorms in the afternoon. * Max temperature.......72-77. * 24 hr trend.........3 degrees cooler. * Min humidity..........71-76 percent. * 24 hr trend.........25 percent wetter. * Wind (20 ft) * Plains...............South winds 5 to 15 mph in the morning shifting to the west in the afternoon. * Chance of lightning...23 percent. * CWR...................30 percent. .TONIGHT... * Sky/weather...........Partly cloudy. * Min temperature.......54-59. * 24 hr trend.........7 degrees cooler. * Max humidity..........100 percent. * 24 hr trend.........2 percent wetter. * Wind (20 ft) * Plains...............Northwest winds 5 to 15 mph. * Chance of lightning...10 percent. * CWR...................Zero. .SATURDAY... * Sky/weather...........Mostly cloudy in the morning then becoming mostly sunny. * Max temperature.......72-77. * 24 hr trend.........Unchanged. * Min humidity..........51-56 percent. * 24 hr trend.........20 percent drier. * Wind (20 ft) * Plains...............Northwest winds 5 to 15 mph. * Chance of lightning...2 percent. * CWR...................Zero. .Forecast days 3 through 7...... .SATURDAY NIGHT...Partly cloudy. Isolated showers. Lows 52 to 57. East winds 5 to 10 mph. .SUNDAY...Mostly clear. Isolated showers. Lows 57 to 62. Highs 79 to 84. South winds 5 to 10 mph. .MONDAY...Mostly cloudy. Scattered showers and isolated thunderstorms. Lows 57 to 62. Highs 84 to 89. Northwest winds 5 to 10 mph. .TUESDAY...Mostly cloudy. Scattered showers and thunderstorms. Lows 53 to 58. Highs 76 to 81. Northeast winds 5 to 10 mph. .WEDNESDAY...Partly cloudy. Scattered showers and isolated thunderstorms. Lows 53 to 58. Highs 75 to 80. .THURSDAY...Mostly sunny. Isolated showers and thunderstorms. Highs 79 to 84. $$ MTZ133-142230- Sioux Ranger District Custer National Forest- 243 AM MDT Fri Aug 14 2026 .Today... * Sky/weather...........Mostly cloudy. Numerous rain showers and isolated thunderstorms in the morning, then scattered showers and thunderstorms in the afternoon. * Max temperature.......76-81. * 24 hr trend.........3 degrees warmer. * Min humidity..........69-74 percent. * 24 hr trend.........20 percent wetter. * Wind (20 ft) * Plains...............Southeast winds 10 to 20 mph in the morning shifting to the west 5 to 15 mph in the afternoon. * Chance of lightning...29 percent. * CWR...................40 percent. .TONIGHT... * Sky/weather...........Partly cloudy. * Min temperature.......54-59. * 24 hr trend.........6 degrees cooler. * Max humidity..........100 percent. * 24 hr trend.........Unchanged. * Wind (20 ft) * Plains...............Northwest winds 5 to 15 mph. * Chance of lightning...12 percent. * CWR...................Zero. .SATURDAY... * Sky/weather...........Mostly cloudy in the morning then becoming mostly sunny. * Max temperature.......74-79. * 24 hr trend.........2 degrees cooler. * Min humidity..........58-63 percent. * 24 hr trend.........11 percent drier. * Wind (20 ft) * Plains...............Northwest winds 5 to 15 mph. * Chance of lightning...3 percent. * CWR...................Zero. .Forecast days 3 through 7...... .SATURDAY NIGHT...Mostly clear. Lows 51 to 56. Northeast winds 5 to 10 mph. .SUNDAY...Mostly clear. Isolated showers. Lows 54 to 59. Highs 79 to 84. South winds 5 to 10 mph. .MONDAY...Partly cloudy. Scattered showers and thunderstorms. Lows 56 to 61. Highs 85 to 90. Northwest winds 5 to 10 mph. .TUESDAY...Mostly cloudy. Scattered showers and thunderstorms. Lows 52 to 57. Highs 78 to 83. Northeast winds 5 to 15 mph. .WEDNESDAY...Mostly cloudy. Scattered showers and thunderstorms. Lows 52 to 57. Highs 77 to 82. .THURSDAY...Partly sunny. Scattered showers and isolated thunderstorms. Highs 80 to 85. $$ WYZ274-142230- Sheridan County- 243 AM MDT Fri Aug 14 2026 .Today... * Sky/weather...........Partly sunny. Scattered showers and thunderstorms in the afternoon. * Max temperature.......72-77. * 24 hr trend.........5 degrees cooler. * Min humidity..........62-67 percent. * 24 hr trend.........11 percent wetter. * Wind (20 ft) * Slope/valley.........Northwest winds 5 to 15 mph. * Ridgetop.............West 5 to 15 mph. * Chance of lightning...37 percent. * CWR...................20 percent. .TONIGHT... * Sky/weather...........Mostly cloudy. Scattered showers and thunderstorms in the evening, then scattered rain showers overnight. * Min temperature.......48-53. * 24 hr trend.........7 degrees cooler. * Max humidity..........100 percent. * 24 hr trend.........Unchanged. * Wind (20 ft) * Slope/valley.........Northwest winds 5 to 10 mph in the evening becoming light overnight. * Ridgetop.............West 5 to 15 mph. * Chance of lightning...32 percent. * CWR...................30 percent. .SATURDAY... * Sky/weather...........Mostly cloudy. Isolated showers and thunderstorms in the morning, then numerous rain showers and scattered thunderstorms in the afternoon. * Max temperature.......71-76. * 24 hr trend.........1 degree cooler. * Min humidity..........62-67 percent. * 24 hr trend.........Unchanged. * Wind (20 ft) * Slope/valley.........Light winds in the morning becoming east 5 to 10 mph in the afternoon. * Ridgetop.............West 5 to 15 mph. * Chance of lightning...38 percent. * CWR...................50 percent. .Forecast days 3 through 7...... .SATURDAY NIGHT...Partly cloudy. Scattered showers and thunderstorms. Lows 46 to 51. Light winds. .SUNDAY...Mostly clear. Lows 48 to 53. Highs 78 to 83. Light winds. .MONDAY...Mostly cloudy. Scattered showers and isolated thunderstorms. Lows 49 to 54. Highs 82 to 87. Light winds. .TUESDAY...Mostly cloudy. Scattered showers and thunderstorms. Lows 47 to 52. Highs 76 to 81. Northwest winds 5 to 10 mph. .WEDNESDAY...Mostly cloudy. Scattered showers and isolated thunderstorms. Lows 46 to 51. Highs 76 to 81. .THURSDAY...Mostly sunny. Isolated showers and thunderstorms. Highs 80 to 85. $$ WYZ284-142230- Bighorn National Forest- 243 AM MDT Fri Aug 14 2026 .Today... * Sky/weather...........Partly sunny. Scattered rain showers in the morning, then scattered showers and thunderstorms in the afternoon. * Max temperature.......58-63. * 24 hr trend.........5 degrees cooler. * Min humidity..........75-80 percent. * 24 hr trend.........36 percent wetter. * Wind (20 ft) * At Burgess Jct.......West winds 5 to 15 mph. * Chance of lightning...40 percent. * CWR...................40 percent. .TONIGHT... * Sky/weather...........Mostly cloudy. Scattered showers and thunderstorms in the evening, then scattered rain showers overnight. * Min temperature.......38-43. * 24 hr trend.........6 degrees cooler. * Max humidity..........100 percent. * 24 hr trend.........Unchanged. * Wind (20 ft) * At Burgess Jct.......Northwest winds 5 to 10 mph in the evening shifting to the southwest overnight. * Chance of lightning...30 percent. * CWR...................20 percent. .SATURDAY... * Sky/weather...........Mostly cloudy. Isolated showers and thunderstorms in the morning, then numerous rain showers and scattered thunderstorms in the afternoon. * Max temperature.......57-62. * 24 hr trend.........1 degree cooler. * Min humidity..........79-84 percent. * 24 hr trend.........4 percent wetter. * Wind (20 ft) * At Burgess Jct.......Southwest winds 5 to 10 mph in the morning shifting to the north in the afternoon. * Chance of lightning...41 percent. * CWR...................60 percent. .Forecast days 3 through 7...... .SATURDAY NIGHT...Mostly cloudy. Scattered showers and thunderstorms. Lows 37 to 42. Southwest winds 5 to 10 mph. .SUNDAY...Partly cloudy. Scattered showers and thunderstorms. Lows 40 to 45. Highs 63 to 68. West winds 5 to 10 mph. .MONDAY...Mostly cloudy. Numerous showers and isolated thunderstorms. Lows 41 to 46. Highs 66 to 71. Southwest winds 5 to 15 mph. .TUESDAY...Mostly cloudy. Numerous showers and scattered thunderstorms. Lows 37 to 42. Highs 62 to 67. West winds 5 to 15 mph. .WEDNESDAY...Mostly cloudy. Scattered showers and thunderstorms. Lows 38 to 43. Highs 60 to 65. .THURSDAY...Partly sunny. Scattered showers and thunderstorms. Highs 64 to 69. $$ weather.gov/billings