Routine Fire Wx Fcst (With/Without 6-10 Day Outlook)
Issued by NWS Billings, MT
Issued by NWS Billings, MT
666 FNUS55 KBYZ 210750 FWFBYZ Fire Weather Planning Forecast for SCen and SErn Montana National Weather Service Billings MT 150 AM MDT Thu Aug 21 2025 .DISCUSSION... ...Dry cold front through this morning with cooler conditions through the weekend... A cold front moving across the region overnight into this morning is shifting winds to the north for most locations. The next best chance for precipitation is over southeast Montana/northeast Wyoming tonight into Friday morning. Otherwise, precipitation will be limited through the weekend. Overall, conditions will trend cooler with minimum humidities around 25-35%. Archer MTZ123-212230- Gallatin National Forest- 150 AM MDT Thu Aug 21 2025 .Today... * Sky/weather...........Sunny. Haze in the morning. * Max temperature.......77-87 at 5000 feet...66-76 at 7000 feet. * 24 hr trend.........8 degrees cooler. * Min humidity..........22-27 percent. * 24 hr trend.........7 percent wetter. * Wind (20 ft) * Slope/valley.........North winds 5 to 10 mph. * Ridgetop.............Light winds. * Chance of lightning...3 percent. * CWR...................Zero. .TONIGHT... * Sky/weather...........Mostly clear. Areas of smoke in the evening, then haze overnight. * Min temperature.......46-56 at 5000 feet...43-53 at 7000 feet. * 24 hr trend.........1 degree cooler. * Max humidity..........74-84 percent at 5000 feet...69-79 percent at 7000 feet. * 24 hr trend.........7 percent wetter. * Wind (20 ft) * Slope/valley.........East winds 5 to 10 mph. * Ridgetop.............North 5 to 10 mph. * Chance of lightning...1 percent. * CWR...................Zero. .FRIDAY... * Sky/weather...........Sunny. * Max temperature.......73-83 at 5000 feet...63-73 at 7000 feet. * 24 hr trend.........3 degrees cooler. * Min humidity..........29-34 percent. * 24 hr trend.........7 percent wetter. * Wind (20 ft) * Slope/valley.........North winds 5 to 10 mph. * Ridgetop.............North 5 to 10 mph. * Chance of lightning...2 percent. * CWR...................Zero. .Forecast days 3 through 7...... .FRIDAY NIGHT...Mostly clear. Lows 42 to 52. East winds 5 to 10 mph. .SATURDAY...Mostly clear. Lows 43 to 53. Highs 76 to 86. East winds 5 to 10 mph. .SUNDAY...Mostly cloudy. Lows 44 to 54. Highs 76 to 86. East winds 5 to 10 mph. .MONDAY...Partly cloudy. Isolated showers and thunderstorms. Lows 44 to 54. Highs 74 to 84. East winds 5 to 10 mph. .TUESDAY...Partly cloudy. Isolated showers and thunderstorms. Lows 47 to 57. Highs 74 to 84. .WEDNESDAY...Partly sunny. Scattered showers and isolated thunderstorms. Highs 74 to 82. $$ MTZ124-212230- Wheatland County/Sweet Grass County- 150 AM MDT Thu Aug 21 2025 .Today... * Sky/weather...........Sunny. * Max temperature.......78-83. * 24 hr trend.........11 degrees cooler. * Min humidity..........30-35 percent. * 24 hr trend.........12 percent wetter. * Wind (20 ft) * Plains...............Northeast winds 5 to 15 mph. * Chance of lightning...8 percent. * CWR...................Zero. .TONIGHT... * Sky/weather...........Partly cloudy. * Min temperature.......49-54. * 24 hr trend.........4 degrees cooler. * Max humidity..........71-76 percent. * 24 hr trend.........8 percent wetter. * Wind (20 ft) * Plains...............Northeast winds 5 to 15 mph in the evening shifting to the southwest 5 to 10 mph overnight. * Chance of lightning...7 percent. * CWR...................Zero. .FRIDAY... * Sky/weather...........Mostly sunny. * Max temperature.......70-75. * 24 hr trend.........8 degrees cooler. * Min humidity..........33-38 percent. * 24 hr trend.........3 percent wetter. * Wind (20 ft) * Plains...............Northeast winds 5 to 15 mph. * Chance of lightning...1 percent. * CWR...................Zero. .Forecast days 3 through 7...... .FRIDAY NIGHT...Mostly clear. Lows 43 to 48. East winds 5 to 15 mph. .SATURDAY...Mostly clear. Lows 45 to 50. Highs 75 to 80. East winds 5 to 15 mph. .SUNDAY...Partly cloudy. Lows 46 to 51. Highs 75 to 80. East winds 5 to 15 mph. .MONDAY...Partly cloudy. Lows 45 to 50. Highs 75 to 80. East winds 5 to 15 mph. .TUESDAY...Partly cloudy. Lows 48 to 53. Highs 77 to 82. .WEDNESDAY...Mostly sunny. Highs 80 to 85. $$ MTZ125-212230- Stillwater County- 150 AM MDT Thu Aug 21 2025 .Today... * Sky/weather...........Sunny. Isolated showers and thunderstorms in the afternoon. * Max temperature.......81-86. * 24 hr trend.........6 degrees cooler. * Min humidity..........30-35 percent. * 24 hr trend.........13 percent wetter. * 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...20 percent. * CWR...................Less than 10 percent. .TONIGHT... * Sky/weather...........Partly cloudy. * Min temperature.......53-58. * 24 hr trend.........4 degrees cooler. * Max humidity..........70-75 percent. * 24 hr trend.........13 percent wetter. * Wind (20 ft) * Plains...............East winds 5 to 10 mph in the evening shifting to the west overnight. * Chance of lightning...5 percent. * CWR...................Zero. .FRIDAY... * Sky/weather...........Partly sunny. * Max temperature.......74-79. * 24 hr trend.........7 degrees cooler. * Min humidity..........33-38 percent. * 24 hr trend.........3 percent wetter. * Wind (20 ft) * Plains...............Northeast winds 5 to 10 mph. * Chance of lightning...11 percent. * CWR...................Zero. .Forecast days 3 through 7...... .FRIDAY NIGHT...Mostly clear. Lows 47 to 52. Southeast winds 5 to 10 mph. .SATURDAY...Mostly clear. Lows 48 to 53. Highs 77 to 82. East winds 5 to 10 mph. .SUNDAY...Partly cloudy. Lows 48 to 53. Highs 77 to 82. Northeast winds 5 to 10 mph. .MONDAY...Partly cloudy. Isolated showers and thunderstorms. Lows 48 to 53. Highs 76 to 81. Northeast winds 5 to 10 mph. .TUESDAY...Partly cloudy. Isolated showers. Lows 51 to 56. Highs 77 to 82. .WEDNESDAY...Mostly sunny. Scattered showers and isolated thunderstorms. Highs 80 to 85. $$ MTZ126-212230- Beartooth Ranger District Custer National Forest- 150 AM MDT Thu Aug 21 2025 .Today... * Sky/weather...........Mostly sunny. Haze in the morning. Scattered showers and thunderstorms in the afternoon. * Max temperature.......75-85 at 5000 feet...65-75 at 7000 feet. * 24 hr trend.........10 degrees cooler. * Min humidity..........33-43 percent at 5000 feet...39-49 percent at 7000 feet. * 24 hr trend.........30 percent wetter. * Wind (20 ft) * Slope/valley.........North winds 5 to 15 mph. * Ridgetop.............Northwest 5 to 10 mph. * Chance of lightning...27 percent. * CWR...................Less than 10 percent. .TONIGHT... * Sky/weather...........Partly cloudy. * Min temperature.......54-62 at 5000 feet...46-56 at 7000 feet. * 24 hr trend.........3 degrees cooler. * Max humidity..........59-69 percent at 5000 feet...68-78 percent at 7000 feet. * 24 hr trend.........9 percent wetter. * Wind (20 ft) * Slope/valley.........North winds 5 to 10 mph. * Ridgetop.............Light winds. * Chance of lightning...9 percent. * CWR...................Zero. .FRIDAY... * Sky/weather...........Mostly sunny. Isolated showers and thunderstorms in the afternoon. * Max temperature.......70-79 at 5000 feet...60-70 at 7000 feet. * 24 hr trend.........5 degrees cooler. * Min humidity..........34-44 percent at 5000 feet...43-53 percent at 7000 feet. * 24 hr trend.........7 percent wetter. * Wind (20 ft) * Slope/valley.........North winds 5 to 15 mph. * Ridgetop.............North 5 to 10 mph. * Chance of lightning...19 percent. * CWR...................Less than 10 percent. .Forecast days 3 through 7...... .FRIDAY NIGHT...Partly cloudy. Lows 48 to 57. North winds 5 to 15 mph. .SATURDAY...Mostly clear. Lows 49 to 57. Highs 73 to 81. North winds 5 to 10 mph. .SUNDAY...Mostly cloudy. Lows 49 to 58. Highs 73 to 81. North winds 5 to 15 mph. .MONDAY...Mostly cloudy. Scattered showers and isolated thunderstorms. Lows 49 to 58. Highs 71 to 80. Northwest winds 5 to 10 mph. .TUESDAY...Mostly cloudy. Scattered showers and isolated thunderstorms. Lows 51 to 60. Highs 72 to 80. .WEDNESDAY...Partly sunny. Scattered showers and isolated thunderstorms. Highs 73 to 82. $$ MTZ127-212230- Golden Valley County/Musselshell county- 150 AM MDT Thu Aug 21 2025 .Today... * Sky/weather...........Sunny. Isolated rain showers in the morning. * Max temperature.......77-82. * 24 hr trend.........10 degrees cooler. * Min humidity..........33-38 percent. * 24 hr trend.........11 percent wetter. * Wind (20 ft) * Plains...............North winds 5 to 15 mph. * Chance of lightning...12 percent. * CWR...................10 percent. .TONIGHT... * Sky/weather...........Partly cloudy. * Min temperature.......56-61. * 24 hr trend.........4 degrees cooler. * Max humidity..........51-56 percent. * 24 hr trend.........6 percent drier. * Wind (20 ft) * Plains...............Northeast winds 5 to 10 mph. * Chance of lightning...5 percent. * CWR...................Zero. .FRIDAY... * Sky/weather...........Mostly sunny. * Max temperature.......71-76. * 24 hr trend.........6 degrees cooler. * Min humidity..........31-36 percent. * 24 hr trend.........2 percent drier. * Wind (20 ft) * Plains...............Northeast winds 5 to 15 mph. * Chance of lightning...1 percent. * CWR...................Zero. .Forecast days 3 through 7...... .FRIDAY NIGHT...Mostly clear. Lows 51 to 56. Northeast winds 5 to 15 mph. .SATURDAY...Mostly clear. Lows 52 to 57. Highs 74 to 79. East winds 5 to 10 mph. .SUNDAY...Partly cloudy. Lows 51 to 56. Highs 73 to 78. East winds 5 to 10 mph. .MONDAY...Partly cloudy. Lows 51 to 56. Highs 75 to 80. East winds 5 to 10 mph. .TUESDAY...Partly cloudy. Lows 54 to 59. Highs 76 to 81. .WEDNESDAY...Mostly sunny. Highs 79 to 84. $$ MTZ128-212230- Yellowstone County- 150 AM MDT Thu Aug 21 2025 .Today... * Sky/weather...........Sunny. * Max temperature.......83-88. * 24 hr trend.........7 degrees cooler. * Min humidity..........30-35 percent. * 24 hr trend.........6 percent wetter. * Wind (20 ft) * Plains...............Northeast winds 5 to 15 mph. * Chance of lightning...9 percent. * CWR...................Zero. .TONIGHT... * Sky/weather...........Partly cloudy. * Min temperature.......58-63. * 24 hr trend.........4 degrees cooler. * Max humidity..........54-59 percent. * 24 hr trend.........5 percent drier. * Wind (20 ft) * Plains...............Northeast winds 5 to 15 mph. * Chance of lightning...6 percent. * CWR...................Zero. .FRIDAY... * Sky/weather...........Mostly sunny. * Max temperature.......76-81. * 24 hr trend.........7 degrees cooler. * Min humidity..........29-34 percent. * 24 hr trend.........1 percent drier. * Wind (20 ft) * Plains...............Northeast winds 5 to 15 mph. * Chance of lightning...2 percent. * CWR...................Zero. .Forecast days 3 through 7...... .FRIDAY NIGHT...Mostly clear. Lows 52 to 57. Northeast winds 5 to 15 mph. .SATURDAY...Mostly clear. Lows 52 to 57. Highs 80 to 85. East winds 5 to 15 mph. .SUNDAY...Partly cloudy. Lows 52 to 57. Highs 78 to 83. Northeast winds 5 to 15 mph. .MONDAY...Partly cloudy. Lows 52 to 57. Highs 79 to 84. Northeast winds 5 to 15 mph. .TUESDAY...Partly cloudy. Lows 54 to 59. Highs 81 to 86. .WEDNESDAY...Mostly sunny. Highs 82 to 87. $$ MTZ129-212230- Crow Indian Reservation/Bighorn Canyon Rec Area- 150 AM MDT Thu Aug 21 2025 .Today... * Sky/weather...........Sunny. Isolated showers and thunderstorms in the afternoon. * Max temperature.......73-83 at 5000 feet...65-73 at 7000 feet. * 24 hr trend.........10 degrees cooler. * Min humidity..........34-44 percent at 5000 feet...47-57 percent at 7000 feet. * 24 hr trend.........23 percent wetter. * Wind (20 ft) * Slope/valley.........North winds 5 to 15 mph. * Ridgetop.............Southwest 5 to 10 mph. * Chance of lightning...16 percent. * CWR...................Less than 10 percent. .TONIGHT... * Sky/weather...........Mostly cloudy. Scattered showers and thunderstorms in the evening, then isolated rain showers overnight. * Min temperature.......55-61 at 5000 feet...51-56 at 7000 feet. * 24 hr trend.........3 degrees cooler. * Max humidity..........64-69 percent. * 24 hr trend.........4 percent wetter. * Wind (20 ft) * Slope/valley.........East winds 5 to 10 mph. * Ridgetop.............South 5 to 10 mph. * Chance of lightning...32 percent. * CWR...................10 percent. .FRIDAY... * Sky/weather...........Partly sunny. * Max temperature.......67-77 at 5000 feet...59-67 at 7000 feet. * 24 hr trend.........7 degrees cooler. * Min humidity..........36-46 percent at 5000 feet...49-59 percent at 7000 feet. * 24 hr trend.........2 percent drier. * Wind (20 ft) * Slope/valley.........Northeast winds 5 to 15 mph. * Ridgetop.............Light winds. * Chance of lightning...8 percent. * CWR...................Less than 10 percent. .Forecast days 3 through 7...... .FRIDAY NIGHT...Partly cloudy. Lows 50 to 57. East winds 5 to 15 mph. .SATURDAY...Mostly clear. Lows 51 to 57. Highs 71 to 81. East winds 5 to 15 mph. .SUNDAY...Partly cloudy. Lows 50 to 58. Highs 71 to 81. East winds 5 to 15 mph. .MONDAY...Partly cloudy. Lows 51 to 58. Highs 70 to 80. East winds 5 to 15 mph. .TUESDAY...Partly cloudy. Lows 53 to 60. Highs 71 to 81. .WEDNESDAY...Mostly sunny. Highs 73 to 83. $$ MTZ130-212230- Northern Rosebud/Northern Treasure Counties- 150 AM MDT Thu Aug 21 2025 .Today... * Sky/weather...........Sunny. Isolated showers and thunderstorms in the morning. * Max temperature.......83-88. * 24 hr trend.........11 degrees cooler. * Min humidity..........27-32 percent. * 24 hr trend.........9 percent wetter. * Wind (20 ft) * Plains...............North winds 5 to 15 mph. * Chance of lightning...16 percent. * CWR...................Less than 10 percent. .TONIGHT... * Sky/weather...........Partly cloudy. * Min temperature.......60-65. * 24 hr trend.........4 degrees cooler. * Max humidity..........52-57 percent. * 24 hr trend.........7 percent drier. * Wind (20 ft) * Plains...............Northeast winds 5 to 10 mph. * Chance of lightning...8 percent. * CWR...................Zero. .FRIDAY... * Sky/weather...........Partly sunny. * Max temperature.......76-81. * 24 hr trend.........7 degrees cooler. * Min humidity..........23-28 percent. * 24 hr trend.........4 percent drier. * Wind (20 ft) * Plains...............North winds 5 to 15 mph. * Chance of lightning...3 percent. * CWR...................Zero. .Forecast days 3 through 7...... .FRIDAY NIGHT...Cooler. Partly cloudy. Lows 52 to 57. Northeast winds 5 to 10 mph. .SATURDAY...Mostly clear. Lows 51 to 56. Highs 77 to 82. East winds 5 to 10 mph. .SUNDAY...Mostly clear. Lows 51 to 56. Highs 76 to 81. East winds 5 to 10 mph. .MONDAY...Partly cloudy. Lows 52 to 57. Highs 77 to 82. East winds 5 to 10 mph. .TUESDAY...Mostly clear. Lows 55 to 60. Highs 81 to 86. .WEDNESDAY...Mostly sunny. Highs 82 to 87. $$ MTZ131-212230- Northern Cheyenne Indian Reservation/Ashland Ranger District Custer Natl Forest- 150 AM MDT Thu Aug 21 2025 .Today... * Sky/weather...........Sunny. * Max temperature.......82-87. * 24 hr trend.........18 degrees cooler. * Min humidity..........31-36 percent. * 24 hr trend.........22 percent wetter. * Wind (20 ft) * Slope/valley.........North winds 5 to 15 mph. * Ridgetop.............West 5 to 10 mph. * Chance of lightning...9 percent. * CWR...................Zero. .TONIGHT... * 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.........6 degrees cooler. * Max humidity..........70-75 percent. * 24 hr trend.........12 percent wetter. * Wind (20 ft) * Slope/valley.........Northeast winds 5 to 10 mph. * Ridgetop.............Southwest 5 to 10 mph. * Chance of lightning...37 percent. * CWR...................20 percent. .FRIDAY... * Sky/weather...........Partly sunny. * Max temperature.......75-80. * 24 hr trend.........7 degrees cooler. * Min humidity..........30-35 percent. * 24 hr trend.........1 percent drier. * Wind (20 ft) * Slope/valley.........Northeast winds 5 to 15 mph. * Ridgetop.............Light winds. * Chance of lightning...7 percent. * CWR...................Zero. .Forecast days 3 through 7...... .FRIDAY NIGHT...Partly cloudy. Lows 50 to 55. Northeast winds 5 to 10 mph. .SATURDAY...Mostly clear. Lows 49 to 54. Highs 76 to 81. East winds 5 to 10 mph. .SUNDAY...Mostly clear. Lows 48 to 53. Highs 76 to 81. East winds 5 to 10 mph. .MONDAY...Partly cloudy. Lows 50 to 55. Highs 77 to 82. East winds 5 to 10 mph. .TUESDAY...Partly cloudy. Lows 52 to 57. Highs 78 to 83. .WEDNESDAY...Mostly sunny. Highs 81 to 86. $$ MTZ132-212230- Custer County- 150 AM MDT Thu Aug 21 2025 .Today... * Sky/weather...........Sunny. * Max temperature.......81-86. * 24 hr trend.........17 degrees cooler. * Min humidity..........32-37 percent. * 24 hr trend.........20 percent wetter. * Wind (20 ft) * Plains...............North winds 5 to 15 mph. * Chance of lightning...9 percent. * CWR...................Zero. .TONIGHT... * Sky/weather...........Mostly clear. Isolated rain showers overnight. * Min temperature.......57-62. * 24 hr trend.........8 degrees cooler. * Max humidity..........60-65 percent. * 24 hr trend.........2 percent drier. * Wind (20 ft) * Plains...............North winds 5 to 10 mph. * Chance of lightning...12 percent. * CWR...................Less than 10 percent. .FRIDAY... * Sky/weather...........Mostly sunny. * Max temperature.......73-78. * 24 hr trend.........8 degrees cooler. * Min humidity..........26-31 percent. * 24 hr trend.........6 percent drier. * Wind (20 ft) * Plains...............North winds 5 to 15 mph. * Chance of lightning...4 percent. * CWR...................Zero. .Forecast days 3 through 7...... .FRIDAY NIGHT...Cooler. Mostly clear. Lows 48 to 53. North winds 5 to 15 mph. .SATURDAY...Mostly clear. Lows 47 to 52. Highs 71 to 76. Northeast winds 5 to 10 mph. .SUNDAY...Mostly clear. Lows 48 to 53. Highs 71 to 76. East winds 5 to 10 mph. .MONDAY...Mostly clear. Lows 51 to 56. Highs 72 to 77. East winds 5 to 15 mph. .TUESDAY...Mostly clear. Lows 53 to 58. Highs 75 to 80. .WEDNESDAY...Mostly sunny. Highs 78 to 83. $$ MTZ133-212230- Sioux Ranger District Custer National Forest- 150 AM MDT Thu Aug 21 2025 .Today... * Sky/weather...........Sunny. Isolated rain showers in the morning. * Max temperature.......84-89. * 24 hr trend.........14 degrees cooler. * Min humidity..........37-42 percent. * 24 hr trend.........25 percent wetter. * Wind (20 ft) * Plains...............North winds 10 to 20 mph. * Chance of lightning...8 percent. * CWR...................Less than 10 percent. .TONIGHT... * Sky/weather...........Mostly cloudy. Scattered showers and thunderstorms in the evening, then scattered rain showers and isolated thunderstorms overnight. * Min temperature.......58-63. * 24 hr trend.........7 degrees cooler. * Max humidity..........75-80 percent. * 24 hr trend.........17 percent wetter. * Wind (20 ft) * Plains...............North winds 5 to 15 mph. * Chance of lightning...34 percent. * CWR...................40 percent. .FRIDAY... * Sky/weather...........Mostly sunny. * Max temperature.......78-83. * 24 hr trend.........6 degrees cooler. * Min humidity..........30-35 percent. * 24 hr trend.........7 percent drier. * Wind (20 ft) * Plains...............North winds 5 to 15 mph. * Chance of lightning...11 percent. * CWR...................Less than 10 percent. .Forecast days 3 through 7...... .FRIDAY NIGHT...Cooler. Mostly clear. Lows 49 to 54. North winds 5 to 15 mph. .SATURDAY...Mostly clear. Lows 47 to 52. Highs 74 to 79. Northeast winds 5 to 10 mph. .SUNDAY...Mostly clear. Lows 46 to 51. Highs 72 to 77. East winds 5 to 10 mph. .MONDAY...Mostly clear. Lows 48 to 53. Highs 72 to 77. Southeast winds 5 to 15 mph. .TUESDAY...Mostly clear. Lows 51 to 56. Highs 74 to 79. .WEDNESDAY...Mostly sunny. Highs 77 to 82. $$ WYZ274-212230- Sheridan County- 150 AM MDT Thu Aug 21 2025 .Today... * Sky/weather...........Sunny. Scattered showers and thunderstorms in the afternoon. * Max temperature.......82-87. * 24 hr trend.........7 degrees cooler. * Min humidity..........39-44 percent. * 24 hr trend.........26 percent wetter. * Wind (20 ft) * Slope/valley.........North winds 5 to 15 mph. * Ridgetop.............West 5 to 10 mph. * Chance of lightning...26 percent. * CWR...................Less than 10 percent. .TONIGHT... * Sky/weather...........Mostly cloudy. Scattered showers and thunderstorms in the evening, then scattered rain showers and isolated thunderstorms overnight. * Min temperature.......52-57. * 24 hr trend.........7 degrees cooler. * Max humidity..........100 percent. * 24 hr trend.........32 percent wetter. * Wind (20 ft) * Slope/valley.........North winds 5 to 10 mph. * Ridgetop.............South 5 to 10 mph. * Chance of lightning...40 percent. * CWR...................15 percent. .FRIDAY... * Sky/weather...........Partly sunny. Scattered rain showers in the morning, then scattered showers and thunderstorms in the afternoon. * Max temperature.......75-80. * 24 hr trend.........7 degrees cooler. * Min humidity..........45-50 percent. * 24 hr trend.........6 percent wetter. * Wind (20 ft) * Slope/valley.........Northeast winds 5 to 10 mph. * Ridgetop.............Light winds. * Chance of lightning...30 percent. * CWR...................10 percent. .Forecast days 3 through 7...... .FRIDAY NIGHT...Mostly cloudy. Isolated showers and thunderstorms. Lows 48 to 53. Northwest winds 5 to 10 mph. .SATURDAY...Mostly clear. Lows 47 to 52. Highs 77 to 82. Southeast winds 5 to 10 mph. .SUNDAY...Partly cloudy. Lows 47 to 52. Highs 76 to 81. East winds 5 to 10 mph. .MONDAY...Partly cloudy. Lows 46 to 51. Highs 76 to 81. Southeast winds 5 to 10 mph. .TUESDAY...Partly cloudy. Isolated showers. Lows 49 to 54. Highs 77 to 82. .WEDNESDAY...Mostly sunny. Isolated showers. Highs 79 to 84. $$ WYZ284-212230- Bighorn National Forest- 150 AM MDT Thu Aug 21 2025 .Today... * Sky/weather...........Sunny. Haze in the morning. Scattered showers and thunderstorms in the afternoon. * Max temperature.......66-71. * 24 hr trend.........13 degrees cooler. * Min humidity..........46-51 percent. * 24 hr trend.........37 percent wetter. * Wind (20 ft) * At Burgess Jct.......North winds 5 to 15 mph. * Chance of lightning...34 percent. * CWR...................Less than 10 percent. .TONIGHT... * Sky/weather...........Partly cloudy. Scattered showers and thunderstorms in the evening, then isolated rain showers overnight. Haze overnight. * Min temperature.......44-49. * 24 hr trend.........2 degrees cooler. * Max humidity..........94-99 percent. * 24 hr trend.........26 percent wetter. * Wind (20 ft) * At Burgess Jct.......East winds 5 to 15 mph in the evening shifting to the south 5 to 10 mph overnight. * Chance of lightning...36 percent. * CWR...................15 percent. .FRIDAY... * Sky/weather...........Partly sunny. Isolated rain showers in the morning, then scattered showers and thunderstorms in the afternoon. * Max temperature.......60-65. * 24 hr trend.........6 degrees cooler. * Min humidity..........60-65 percent. * 24 hr trend.........14 percent wetter. * Wind (20 ft) * At Burgess Jct.......Northeast winds 5 to 15 mph. * Chance of lightning...31 percent. * CWR...................20 percent. .Forecast days 3 through 7...... .FRIDAY NIGHT...Mostly cloudy. Scattered showers and isolated thunderstorms. Lows 39 to 44. East winds 5 to 15 mph. .SATURDAY...Mostly clear. Lows 40 to 45. Highs 62 to 67. Southeast winds 5 to 15 mph. .SUNDAY...Partly cloudy. Lows 40 to 45. Highs 61 to 66. East winds 5 to 15 mph. .MONDAY...Mostly cloudy. Isolated showers and thunderstorms. Lows 38 to 43. Highs 60 to 65. Southeast winds 5 to 15 mph. .TUESDAY...Partly cloudy. Isolated showers. Lows 41 to 46. Highs 61 to 66. .WEDNESDAY...Partly sunny. Isolated showers and thunderstorms. Highs 63 to 68. $$ weather.gov/billings