Routine Fire Wx Fcst (With/Without 6-10 Day Outlook)
Issued by NWS Billings, MT
Issued by NWS Billings, MT
906 FNUS55 KBYZ 280852 FWFBYZ Fire Weather Planning Forecast for SCen and SErn Montana National Weather Service Billings MT 252 AM MDT Thu Aug 28 2025 .DISCUSSION... As moisture works its way west to east today and Friday, cooler temperatures will follow through Saturday. Across the districts, there is about a 40-80% chance of getting at least a quarter inch of rain through Saturday (highest in the mountains). Any thunderstorms that do form through Saturday will have the potential to produce heavy rain. Ridging is expected to build back in Sunday leading to warmer and dryer conditions. TS MTZ123-282215- Gallatin National Forest- 252 AM MDT Thu Aug 28 2025 .Today... * Sky/weather...........Cloudy. Rain showers and isolated thunderstorms in the morning, then rain showers and scattered thunderstorms in the afternoon. * Max temperature.......59-67 at 5000 feet...50-60 at 7000 feet. * 24 hr trend.........2 degrees cooler. * Min humidity..........67-77 percent at 5000 feet...71-81 percent at 7000 feet. * 24 hr trend.........11 percent wetter. * 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...47 percent. * CWR...................90 percent. .TONIGHT... * Sky/weather...........Mostly cloudy. Numerous rain showers and scattered thunderstorms in the evening, then isolated rain showers overnight. * Min temperature.......48-58 at 5000 feet...41-51 at 7000 feet. * 24 hr trend.........2 degrees cooler. * Max humidity..........79-84 percent. * 24 hr trend.........6 percent drier. * Wind (20 ft) * Slope/valley.........Southwest winds 5 to 10 mph. * Ridgetop.............West 10 to 20 mph. * Chance of lightning...27 percent. * CWR...................40 percent. .FRIDAY... * Sky/weather...........Partly sunny. Scattered rain showers in the morning, then scattered rain showers and isolated thunderstorms in the afternoon. * Max temperature.......69-79 at 5000 feet...56-66 at 7000 feet. * 24 hr trend.........9 degrees warmer. * Min humidity..........41-51 percent at 5000 feet...49-59 percent at 7000 feet. * 24 hr trend.........27 percent drier. * Wind (20 ft) * Slope/valley.........West winds 5 to 10 mph. * Ridgetop.............West 10 to 20 mph. * Chance of lightning...24 percent. * CWR...................20 percent. .Forecast days 3 through 7...... .FRIDAY NIGHT...Mostly cloudy. Scattered showers and isolated thunderstorms. Lows 45 to 55. West winds 5 to 10 mph. .SATURDAY...Mostly clear. Isolated showers. Lows 45 to 55. Highs 71 to 80. Southwest winds 5 to 10 mph. .SUNDAY...Mostly clear. Lows 47 to 57. Highs 78 to 87. South winds 5 to 10 mph. .MONDAY...Partly cloudy. Lows 49 to 59. Highs 79 to 88. Southeast winds 5 to 10 mph. .TUESDAY...Partly cloudy. Isolated showers and thunderstorms. Lows 43 to 53. Highs 75 to 85. .WEDNESDAY...Sunny. Highs 73 to 83. $$ MTZ124-282215- Wheatland County/Sweet Grass County- 252 AM MDT Thu Aug 28 2025 .Today... * Sky/weather...........Mostly cloudy. Isolated rain showers in the morning, then rain showers and scattered thunderstorms in the afternoon. * Max temperature.......70-75. * 24 hr trend.........4 degrees cooler. * Min humidity..........51-56 percent. * 24 hr trend.........26 percent wetter. * Wind (20 ft) * Plains...............West winds 5 to 10 mph in the morning shifting to the southeast in the afternoon. * Chance of lightning...35 percent. * CWR...................60 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.........3 degrees cooler. * Max humidity..........90-95 percent. * 24 hr trend.........27 percent wetter. * Wind (20 ft) * Plains...............West winds 5 to 15 mph. * Chance of lightning...27 percent. * CWR...................30 percent. .FRIDAY... * Sky/weather...........Mostly cloudy. Scattered rain showers in the morning, then numerous rain showers and scattered thunderstorms in the afternoon. * Max temperature.......70-75. * 24 hr trend.........Unchanged. * Min humidity..........55-60 percent. * 24 hr trend.........4 percent wetter. * Wind (20 ft) * Plains...............Northwest winds 5 to 15 mph. * Chance of lightning...33 percent. * CWR...................50 percent. .Forecast days 3 through 7...... .FRIDAY NIGHT...Mostly cloudy. Scattered showers and isolated thunderstorms. Lows 47 to 52. Northwest winds 5 to 15 mph. .SATURDAY...Partly cloudy. Scattered showers. Lows 46 to 51. Highs 75 to 80. West winds 5 to 15 mph. .SUNDAY...Mostly clear. Lows 48 to 53. Highs 83 to 88. Northwest winds 5 to 15 mph. .MONDAY...Mostly clear. Lows 50 to 55. Highs 83 to 88. North winds 5 to 15 mph. .TUESDAY...Partly cloudy. Isolated showers and thunderstorms. Lows 45 to 50. Highs 79 to 84. .WEDNESDAY...Mostly sunny. Highs 73 to 78. $$ MTZ125-282215- Stillwater County- 252 AM MDT Thu Aug 28 2025 .Today... * Sky/weather...........Mostly cloudy. Scattered rain showers in the morning, then rain showers and scattered thunderstorms in the afternoon. * Max temperature.......67-72. * 24 hr trend.........Unchanged. * Min humidity..........57-62 percent. * 24 hr trend.........21 percent wetter. * Wind (20 ft) * Plains...............Light winds in the morning becoming northwest 5 to 10 mph in the afternoon. * Chance of lightning...42 percent. * CWR...................60 percent. .TONIGHT... * Sky/weather...........Mostly cloudy. Numerous rain showers and scattered thunderstorms in the evening, then isolated rain showers overnight. * Min temperature.......51-56. * 24 hr trend.........2 degrees cooler. * Max humidity..........82-87 percent. * 24 hr trend.........4 percent wetter. * Wind (20 ft) * Plains...............West winds 5 to 10 mph. * Chance of lightning...28 percent. * CWR...................40 percent. .FRIDAY... * Sky/weather...........Partly sunny. Scattered rain showers in the morning, then numerous rain showers and isolated thunderstorms in the afternoon. * Max temperature.......76-81. * 24 hr trend.........9 degrees warmer. * Min humidity..........41-46 percent. * 24 hr trend.........16 percent drier. * Wind (20 ft) * Plains...............Northwest winds 5 to 15 mph. * Chance of lightning...24 percent. * CWR...................30 percent. .Forecast days 3 through 7...... .FRIDAY NIGHT...Mostly cloudy. Scattered showers and thunderstorms. Lows 50 to 55. West winds 5 to 10 mph. .SATURDAY...Partly cloudy. Scattered showers. Lows 50 to 55. Highs 76 to 81. West winds 5 to 10 mph. .SUNDAY...Mostly clear. Lows 52 to 57. Highs 83 to 88. Southwest winds 5 to 10 mph. .MONDAY...Mostly clear. Lows 53 to 58. Highs 84 to 89. South winds 5 to 10 mph. .TUESDAY...Mostly cloudy. Scattered showers and isolated thunderstorms. Lows 49 to 54. Highs 80 to 85. .WEDNESDAY...Mostly sunny. Highs 75 to 80. $$ MTZ126-282215- Beartooth Ranger District Custer National Forest- 252 AM MDT Thu Aug 28 2025 .Today... * Sky/weather...........Cloudy. Scattered rain showers in the morning, then rain showers and scattered thunderstorms in the afternoon. * Max temperature.......65-73 at 5000 feet...55-65 at 7000 feet. * 24 hr trend.........1 degree cooler. * Min humidity..........52-62 percent at 5000 feet...64-74 percent at 7000 feet. * 24 hr trend.........26 percent wetter. * Wind (20 ft) * Slope/valley.........Southwest winds 5 to 10 mph in the morning shifting to the north in the afternoon. * Ridgetop.............Southwest 5 to 10 mph. * Chance of lightning...46 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.......53-58 at 5000 feet...44-54 at 7000 feet. * 24 hr trend.........1 degree cooler. * Max humidity..........75-85 percent at 5000 feet...78-88 percent at 7000 feet. * 24 hr trend.........6 percent wetter. * Wind (20 ft) * Slope/valley.........Northwest winds 5 to 10 mph. * Ridgetop.............West 5 to 15 mph. * Chance of lightning...30 percent. * CWR...................60 percent. .FRIDAY... * Sky/weather...........Partly sunny. Scattered rain showers in the morning, then numerous rain showers and scattered thunderstorms in the afternoon. * Max temperature.......68-77 at 5000 feet...59-69 at 7000 feet. * 24 hr trend.........3 degrees warmer. * Min humidity..........47-57 percent at 5000 feet...53-63 percent at 7000 feet. * 24 hr trend.........10 percent drier. * Wind (20 ft) * Slope/valley.........North winds 5 to 15 mph. * Ridgetop.............West 5 to 15 mph. * Chance of lightning...27 percent. * CWR...................60 percent. .Forecast days 3 through 7...... .FRIDAY NIGHT...Mostly cloudy. Scattered showers and isolated thunderstorms. Lows 51 to 58. Northwest winds 5 to 10 mph. .SATURDAY...Partly cloudy. Scattered showers and isolated thunderstorms. Lows 51 to 58. Highs 68 to 77. Northwest winds 5 to 10 mph. .SUNDAY...Mostly clear. Lows 53 to 60. Highs 75 to 84. Southwest winds 5 to 10 mph. .MONDAY...Partly cloudy. Lows 54 to 62. Highs 77 to 86. South winds 5 to 10 mph. .TUESDAY...Mostly cloudy. Scattered showers and isolated thunderstorms. Lows 50 to 56. Highs 75 to 83. .WEDNESDAY...Mostly sunny. Isolated showers and thunderstorms. Highs 68 to 77. $$ MTZ127-282215- Golden Valley County/Musselshell county- 252 AM MDT Thu Aug 28 2025 .Today... * Sky/weather...........Mostly cloudy. Isolated rain showers in the morning, then scattered rain showers and isolated thunderstorms in the afternoon. * Max temperature.......72-77. * 24 hr trend.........5 degrees cooler. * Min humidity..........50-55 percent. * 24 hr trend.........26 percent wetter. * Wind (20 ft) * Plains...............Southeast winds 5 to 10 mph. * Chance of lightning...24 percent. * CWR...................20 percent. .TONIGHT... * Sky/weather...........Cloudy. Numerous rain showers and scattered thunderstorms in the evening, then scattered rain showers overnight. * Min temperature.......57-62. * 24 hr trend.........2 degrees cooler. * Max humidity..........80-85 percent. * 24 hr trend.........19 percent wetter. * Wind (20 ft) * Plains...............East winds 5 to 10 mph in the evening shifting to the west overnight. * Chance of lightning...28 percent. * CWR...................50 percent. .FRIDAY... * Sky/weather...........Mostly cloudy. Scattered rain showers in the morning, then numerous rain showers and isolated thunderstorms in the afternoon. * Max temperature.......68-73. * 24 hr trend.........4 degrees cooler. * Min humidity..........59-64 percent. * 24 hr trend.........9 percent wetter. * Wind (20 ft) * Plains...............Northwest winds 5 to 10 mph. * Chance of lightning...24 percent. * CWR...................50 percent. .Forecast days 3 through 7...... .FRIDAY NIGHT...Mostly cloudy. Scattered showers and thunderstorms. Lows 55 to 60. North winds 5 to 10 mph. .SATURDAY...Partly cloudy. Scattered showers and isolated thunderstorms. Lows 53 to 58. Highs 72 to 77. North winds 5 to 10 mph. .SUNDAY...Mostly clear. Lows 56 to 61. Highs 81 to 86. Southwest winds 5 to 10 mph. .MONDAY...Mostly clear. Lows 56 to 61. Highs 82 to 87. Northeast winds 5 to 10 mph. .TUESDAY...Partly cloudy. Lows 50 to 55. Highs 77 to 82. .WEDNESDAY...Mostly sunny. Highs 70 to 75. $$ MTZ128-282215- Yellowstone County- 252 AM MDT Thu Aug 28 2025 .Today... * Sky/weather...........Mostly cloudy. Isolated rain showers in the morning, then numerous rain showers and scattered thunderstorms in the afternoon. * Max temperature.......75-80. * 24 hr trend.........3 degrees cooler. * Min humidity..........51-56 percent. * 24 hr trend.........23 percent wetter. * Wind (20 ft) * Plains...............Southwest winds 5 to 10 mph in the morning shifting to the east in the afternoon. * Chance of lightning...25 percent. * CWR...................40 percent. .TONIGHT... * Sky/weather...........Mostly cloudy. Scattered showers and thunderstorms in the evening, then scattered rain showers overnight. * Min temperature.......58-63. * 24 hr trend.........2 degrees cooler. * Max humidity..........82-87 percent. * 24 hr trend.........14 percent wetter. * Wind (20 ft) * Plains...............North winds 5 to 10 mph in the evening shifting to the west overnight. * Chance of lightning...29 percent. * CWR...................40 percent. .FRIDAY... * Sky/weather...........Mostly cloudy. Scattered rain showers in the morning, then numerous rain showers and isolated thunderstorms in the afternoon. * Max temperature.......74-79. * 24 hr trend.........1 degree cooler. * Min humidity..........54-59 percent. * 24 hr trend.........3 percent wetter. * Wind (20 ft) * Plains...............Northwest winds 5 to 15 mph. * Chance of lightning...22 percent. * CWR...................30 percent. .Forecast days 3 through 7...... .FRIDAY NIGHT...Mostly cloudy. Scattered showers and thunderstorms. Lows 55 to 60. North winds 5 to 10 mph. .SATURDAY...Partly cloudy. Scattered showers. Lows 53 to 58. Highs 77 to 82. Northwest winds 5 to 10 mph. .SUNDAY...Mostly clear. Lows 55 to 60. Highs 85 to 90. West winds 5 to 10 mph. .MONDAY...Mostly clear. Lows 56 to 61. Highs 86 to 91. East winds 5 to 10 mph. .TUESDAY...Partly cloudy. Lows 52 to 57. Highs 81 to 86. .WEDNESDAY...Mostly sunny. Highs 74 to 79. $$ MTZ129-282215- Crow Indian Reservation/Bighorn Canyon Rec Area- 252 AM MDT Thu Aug 28 2025 .Today... * Sky/weather...........Mostly cloudy. Isolated rain showers in the morning, then scattered showers and thunderstorms in the afternoon. * Max temperature.......64-73 at 5000 feet...58-66 at 7000 feet. * 24 hr trend.........9 degrees cooler. * Min humidity..........51-61 percent at 5000 feet...68-78 percent at 7000 feet. * 24 hr trend.........33 percent wetter. * Wind (20 ft) * Slope/valley.........Southeast winds 5 to 15 mph. * Ridgetop.............Southeast 5 to 15 mph. * Chance of lightning...27 percent. * CWR...................40 percent. .TONIGHT... * 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 at 5000 feet...51-56 at 7000 feet. * 24 hr trend.........3 degrees cooler. * Max humidity..........79-89 percent at 5000 feet...77-87 percent at 7000 feet. * 24 hr trend.........14 percent wetter. * Wind (20 ft) * Slope/valley.........Southeast winds 5 to 10 mph in the evening shifting to the west overnight. * Ridgetop.............West 5 to 15 mph. * Chance of lightning...40 percent. * CWR...................50 percent. .FRIDAY... * Sky/weather...........Mostly cloudy. Scattered rain showers in the morning, then numerous rain showers and scattered thunderstorms in the afternoon. * Max temperature.......66-76 at 5000 feet...57-65 at 7000 feet. * 24 hr trend.........2 degrees cooler. * Min humidity..........50-60 percent at 5000 feet...65-75 percent at 7000 feet. * 24 hr trend.........2 percent wetter. * Wind (20 ft) * Slope/valley.........Northwest winds 5 to 15 mph. * Ridgetop.............West 10 to 20 mph. * Chance of lightning...25 percent. * CWR...................50 percent. .Forecast days 3 through 7...... .FRIDAY NIGHT...Mostly cloudy. Scattered showers and thunderstorms. Lows 52 to 58. Northwest winds 5 to 10 mph. .SATURDAY...Partly cloudy. Scattered showers and thunderstorms. Lows 52 to 58. Highs 67 to 77. Northwest winds 5 to 10 mph. .SUNDAY...Mostly clear. Lows 55 to 61. Highs 75 to 85. South winds 5 to 10 mph. .MONDAY...Mostly clear. Lows 55 to 61. Highs 76 to 86. East winds 5 to 10 mph. .TUESDAY...Partly cloudy. Isolated showers. Lows 51 to 56. Highs 72 to 82. .WEDNESDAY...Mostly sunny. Highs 66 to 76. $$ MTZ130-282215- Northern Rosebud/Northern Treasure Counties- 252 AM MDT Thu Aug 28 2025 .Today... * Sky/weather...........Mostly cloudy. Scattered rain showers in the afternoon. * Max temperature.......81-86. * 24 hr trend.........3 degrees cooler. * Min humidity..........43-48 percent. * 24 hr trend.........24 percent wetter. * Wind (20 ft) * Plains...............Southeast winds 5 to 10 mph. * Chance of lightning...12 percent. * CWR...................10 percent. .TONIGHT... * Sky/weather...........Cloudy. Scattered rain showers and isolated thunderstorms in the evening, then scattered rain showers overnight. * Min temperature.......59-64. * 24 hr trend.........Unchanged. * Max humidity..........84-89 percent. * 24 hr trend.........26 percent wetter. * Wind (20 ft) * Plains...............East winds 5 to 10 mph. * Chance of lightning...23 percent. * CWR...................10 percent. .FRIDAY... * Sky/weather...........Mostly cloudy. Scattered rain showers in the morning, then scattered rain showers and isolated thunderstorms in the afternoon. * Max temperature.......73-78. * 24 hr trend.........8 degrees cooler. * Min humidity..........51-56 percent. * 24 hr trend.........8 percent wetter. * Wind (20 ft) * Plains...............Northeast winds 5 to 10 mph. * Chance of lightning...20 percent. * CWR...................30 percent. .Forecast days 3 through 7...... .FRIDAY NIGHT...Mostly cloudy. Scattered showers and isolated thunderstorms. Lows 55 to 60. North winds 5 to 10 mph. .SATURDAY...Mostly cloudy. Scattered showers. Lows 53 to 58. Highs 75 to 80. North winds 5 to 10 mph. .SUNDAY...Mostly clear. Lows 55 to 60. Highs 82 to 87. Southeast winds 5 to 10 mph. .MONDAY...Mostly clear. Lows 56 to 61. Highs 85 to 90. East winds 5 to 10 mph. .TUESDAY...Partly cloudy. Lows 50 to 55. Highs 81 to 86. .WEDNESDAY...Mostly sunny. Highs 71 to 76. $$ MTZ131-282215- Northern Cheyenne Indian Reservation/Ashland Ranger District Custer Natl Forest- 252 AM MDT Thu Aug 28 2025 .Today... * Sky/weather...........Mostly cloudy. Scattered rain showers and isolated thunderstorms in the afternoon. * Max temperature.......75-80. * 24 hr trend.........9 degrees cooler. * Min humidity..........49-54 percent. * 24 hr trend.........20 percent wetter. * Wind (20 ft) * Slope/valley.........Southeast winds 5 to 15 mph. * Ridgetop.............Southeast 10 to 20 mph. * Chance of lightning...22 percent. * CWR...................30 percent. .TONIGHT... * Sky/weather...........Mostly cloudy. Numerous rain showers and scattered thunderstorms in the evening, then scattered rain showers and isolated thunderstorms overnight. * Min temperature.......55-60. * 24 hr trend.........2 degrees cooler. * Max humidity..........92-97 percent. * 24 hr trend.........21 percent wetter. * Wind (20 ft) * Slope/valley.........Southeast winds 5 to 15 mph in the evening shifting to the southwest 5 to 10 mph overnight. * Ridgetop.............Southeast shifting northwest 5 to 15 mph. * Chance of lightning...41 percent. * CWR...................50 percent. .FRIDAY... * Sky/weather...........Mostly cloudy. Scattered rain showers in the morning, then numerous rain showers and scattered thunderstorms in the afternoon. * Max temperature.......71-76. * 24 hr trend.........4 degrees cooler. * Min humidity..........56-61 percent. * 24 hr trend.........7 percent wetter. * Wind (20 ft) * Slope/valley.........North winds 5 to 10 mph. * Ridgetop.............Northwest 10 to 15 mph. * Chance of lightning...28 percent. * CWR...................40 percent. .Forecast days 3 through 7...... .FRIDAY NIGHT...Mostly cloudy. Scattered showers and thunderstorms. Lows 53 to 58. Northwest winds 5 to 10 mph. .SATURDAY...Mostly cloudy. Scattered showers and thunderstorms. Lows 49 to 54. Highs 72 to 77. North winds 5 to 10 mph. .SUNDAY...Mostly clear. Lows 52 to 57. Highs 81 to 86. South winds 5 to 10 mph. .MONDAY...Mostly clear. Lows 53 to 58. Highs 84 to 89. Southeast winds 5 to 10 mph. .TUESDAY...Partly cloudy. Isolated showers. Lows 48 to 53. Highs 81 to 86. .WEDNESDAY...Mostly sunny. Highs 70 to 75. $$ MTZ132-282215- Custer County- 252 AM MDT Thu Aug 28 2025 .Today... * Sky/weather...........Partly sunny. * Max temperature.......79-84. * 24 hr trend.........3 degrees cooler. * Min humidity..........30-35 percent. * 24 hr trend.........14 percent wetter. * Wind (20 ft) * Plains...............Southeast winds 5 to 15 mph. * Chance of lightning...3 percent. * CWR...................Zero. .TONIGHT... * Sky/weather...........Mostly cloudy. Isolated showers and thunderstorms in the evening, then scattered rain showers and isolated thunderstorms overnight. * Min temperature.......58-63. * 24 hr trend.........Unchanged. * Max humidity..........77-82 percent. * 24 hr trend.........18 percent wetter. * Wind (20 ft) * Plains...............Southeast winds 5 to 10 mph. * Chance of lightning...16 percent. * CWR...................10 percent. .FRIDAY... * Sky/weather...........Mostly cloudy. Scattered rain showers in the morning, then scattered rain showers and isolated thunderstorms in the afternoon. * Max temperature.......69-74. * 24 hr trend.........10 degrees cooler. * Min humidity..........58-63 percent. * 24 hr trend.........28 percent wetter. * Wind (20 ft) * Plains...............East winds 5 to 10 mph. * Chance of lightning...16 percent. * CWR...................20 percent. .Forecast days 3 through 7...... .FRIDAY NIGHT...Cloudy. Scattered showers and thunderstorms. Lows 55 to 60. Northeast winds 5 to 10 mph. .SATURDAY...Mostly cloudy. Scattered showers and isolated thunderstorms. Lows 52 to 57. Highs 71 to 76. East winds 5 to 10 mph. .SUNDAY...Mostly clear. Lows 54 to 59. Highs 78 to 83. South winds 5 to 10 mph. .MONDAY...Mostly clear. Lows 56 to 61. Highs 82 to 87. Southwest winds 5 to 10 mph. .TUESDAY...Partly cloudy. Lows 48 to 53. Highs 79 to 84. .WEDNESDAY...Cooler. Mostly sunny. Highs 66 to 71. $$ MTZ133-282215- Sioux Ranger District Custer National Forest- 252 AM MDT Thu Aug 28 2025 .Today... * Sky/weather...........Partly sunny. * Max temperature.......78-83. * 24 hr trend.........4 degrees cooler. * Min humidity..........35-40 percent. * 24 hr trend.........12 percent wetter. * Wind (20 ft) * Plains...............Southeast winds 5 to 15 mph. * Chance of lightning...6 percent. * CWR...................Zero. .TONIGHT... * Sky/weather...........Cloudy with scattered rain showers and isolated thunderstorms. * Min temperature.......57-62. * 24 hr trend.........1 degree warmer. * Max humidity..........82-87 percent. * 24 hr trend.........14 percent wetter. * Wind (20 ft) * Plains...............Southeast winds 5 to 15 mph. * Chance of lightning...24 percent. * CWR...................40 percent. .FRIDAY... * 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.......71-76. * 24 hr trend.........7 degrees cooler. * Min humidity..........66-71 percent. * 24 hr trend.........31 percent wetter. * Wind (20 ft) * Plains...............East winds 5 to 15 mph. * Chance of lightning...32 percent. * CWR...................50 percent. .Forecast days 3 through 7...... .FRIDAY NIGHT...Cloudy. Numerous showers and scattered thunderstorms. Lows 55 to 60. Northeast winds 5 to 15 mph. .SATURDAY...Mostly cloudy. Scattered showers and thunderstorms. Lows 52 to 57. Highs 71 to 76. Northeast winds 5 to 10 mph. .SUNDAY...Mostly clear. Lows 51 to 56. Highs 77 to 82. South winds 5 to 10 mph. .MONDAY...Mostly clear. Lows 53 to 58. Highs 82 to 87. West winds 5 to 10 mph. .TUESDAY...Partly cloudy. Isolated showers. Lows 48 to 53. Highs 80 to 85. .WEDNESDAY...Mostly sunny. Highs 68 to 73. $$ WYZ274-282215- Sheridan County- 252 AM MDT Thu Aug 28 2025 .Today... * Sky/weather...........Mostly cloudy. Isolated rain showers in the morning, then numerous rain showers and scattered thunderstorms in the afternoon. * Max temperature.......74-79. * 24 hr trend.........5 degrees cooler. * Min humidity..........57-62 percent. * 24 hr trend.........33 percent wetter. * Wind (20 ft) * Slope/valley.........East winds 5 to 10 mph. * Ridgetop.............South 5 to 15 mph. * Chance of lightning...43 percent. * CWR...................40 percent. .TONIGHT... * Sky/weather...........Mostly cloudy. Numerous rain showers and scattered thunderstorms in the evening, then scattered rain showers overnight. * Min temperature.......50-55. * 24 hr trend.........3 degrees cooler. * Max humidity..........100 percent. * 24 hr trend.........7 percent wetter. * Wind (20 ft) * Slope/valley.........West winds 5 to 10 mph. * Ridgetop.............West 5 to 10 mph. * Chance of lightning...41 percent. * CWR...................50 percent. .FRIDAY... * Sky/weather...........Mostly cloudy. Scattered rain showers in the morning, then numerous rain showers and scattered thunderstorms in the afternoon. * Max temperature.......73-78. * 24 hr trend.........1 degree cooler. * Min humidity..........56-61 percent. * 24 hr trend.........1 percent drier. * Wind (20 ft) * Slope/valley.........Northwest winds 5 to 15 mph. * Ridgetop.............West 10 to 20 mph. * Chance of lightning...36 percent. * CWR...................50 percent. .Forecast days 3 through 7...... .FRIDAY NIGHT...Mostly cloudy. Scattered showers and thunderstorms. Lows 48 to 53. West winds 5 to 10 mph. .SATURDAY...Partly cloudy. Scattered showers and thunderstorms. Lows 46 to 51. Highs 72 to 77. Northwest winds 5 to 10 mph. .SUNDAY...Mostly clear. Lows 48 to 53. Highs 81 to 86. West winds 5 to 10 mph. .MONDAY...Mostly clear. Lows 50 to 55. Highs 83 to 88. Southwest winds 5 to 10 mph. .TUESDAY...Partly cloudy. Isolated showers and thunderstorms. Lows 46 to 51. Highs 80 to 85. .WEDNESDAY...Mostly sunny. Highs 72 to 77. $$ WYZ284-282215- Bighorn National Forest- 252 AM MDT Thu Aug 28 2025 .Today... * Sky/weather...........Mostly cloudy. Scattered rain showers in the morning, then numerous rain showers and scattered thunderstorms in the afternoon. * Max temperature.......56-61. * 24 hr trend.........10 degrees cooler. * Min humidity..........60-65 percent. * 24 hr trend.........34 percent wetter. * Wind (20 ft) * At Burgess Jct.......Southeast winds 5 to 10 mph in the morning shifting to the northeast in the afternoon. * Chance of lightning...46 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.......41-46. * 24 hr trend.........2 degrees cooler. * Max humidity..........100 percent. * 24 hr trend.........10 percent wetter. * Wind (20 ft) * At Burgess Jct.......Southwest winds 5 to 10 mph. * Chance of lightning...39 percent. * CWR...................60 percent. .FRIDAY... * Sky/weather...........Mostly cloudy. Numerous rain showers in the morning, then rain showers and scattered thunderstorms in the afternoon. * Max temperature.......57-62. * 24 hr trend.........1 degree warmer. * Min humidity..........60-65 percent. * 24 hr trend.........Unchanged. * Wind (20 ft) * At Burgess Jct.......Northwest winds 5 to 15 mph. * Chance of lightning...36 percent. * CWR...................70 percent. .Forecast days 3 through 7...... .FRIDAY NIGHT...Mostly cloudy. Scattered showers and isolated thunderstorms. Lows 38 to 43. West winds 5 to 15 mph. .SATURDAY...Mostly cloudy. Numerous showers and scattered thunderstorms. Lows 37 to 42. Highs 56 to 61. West winds 5 to 15 mph. .SUNDAY...Mostly clear. Lows 40 to 45. Highs 64 to 69. Southwest winds 5 to 15 mph. .MONDAY...Mostly clear. Lows 43 to 48. Highs 67 to 72. Southwest winds 5 to 15 mph. .TUESDAY...Mostly cloudy. Scattered showers and isolated thunderstorms. Lows 38 to 43. Highs 64 to 69. .WEDNESDAY...Mostly sunny. Isolated showers. Highs 57 to 62. $$ weather.gov/billings