Routine Fire Wx Fcst (With/Without 6-10 Day Outlook)
Issued by NWS Billings, MT
Issued by NWS Billings, MT
566 FNUS55 KBYZ 010631 FWFBYZ Fire Weather Planning Forecast for SCen and SErn Montana National Weather Service Billings MT 1231 AM MDT Tue Sep 1 2026 .DISCUSSION... ... Elevated Fire Weather Wednesday and Thursday ... Today will feature seasonable conditions with temperatures in the 80s F and minimum relative humidity values in the 20s %. Elevated fire weather conditions are expected Wednesday and Thursday. A sharp temperature gradient will develop with temperatures in the 70s F along the western foothills and near 90 F east of Billings. Minimum relative humidity values are expected to be in the teens with winds gusting into the 20s to low 30s mph for most areas and 30s and 40s mph for the western foothills. Isolated showers and thunderstorms may impact the region today and tomorrow. Torgerson MTZ123-012230- Gallatin National Forest- 1231 AM MDT Tue Sep 1 2026 .Today... * Sky/weather...........Partly sunny. Isolated rain showers in the morning, then scattered rain showers in the afternoon. * Max temperature.......74-81 at 5000 feet...63-73 at 7000 feet. * 24 hr trend.........Unchanged. * Min humidity..........24-34 percent at 5000 feet...31-41 percent at 7000 feet. * 24 hr trend.........9 percent wetter. * Wind (20 ft) * Slope/valley.........South winds 5 to 10 mph. * Ridgetop.............Southwest 5 to 15 mph. * Chance of lightning...12 percent. * CWR...................Less than 10 percent. .TONIGHT... * Sky/weather...........Mostly cloudy. Scattered rain showers and isolated thunderstorms in the evening, then isolated rain showers overnight. * Min temperature.......47-57 at 5000 feet...42-52 at 7000 feet. * 24 hr trend.........1 degree cooler. * Max humidity..........69-79 percent at 5000 feet...72-82 percent at 7000 feet. * 24 hr trend.........22 percent wetter. * Wind (20 ft) * Slope/valley.........South winds 5 to 15 mph. * Ridgetop.............Southwest 15 to 30 mph. * Chance of lightning...20 percent. * CWR...................Less than 10 percent. .WEDNESDAY... * Sky/weather...........Mostly sunny. * Max temperature.......73-80 at 5000 feet...61-71 at 7000 feet. * 24 hr trend.........3 degrees cooler. * Min humidity..........17-27 percent at 5000 feet...20-30 percent at 7000 feet. * 24 hr trend.........5 percent drier. * Wind (20 ft) * Slope/valley.........South winds 5 to 15 mph. Gusts up to 30 mph in the afternoon. * Ridgetop.............South 20 to 35 mph. * Chance of lightning...13 percent. * CWR...................Zero. .Forecast days 3 through 7...... .WEDNESDAY NIGHT...Partly cloudy. Lows 44 to 54. South winds 5 to 15 mph with gusts to around 30 mph. .THURSDAY...Partly cloudy. Lows 45 to 55. Highs 72 to 79. South winds 5 to 15 mph with gusts to around 30 mph. .FRIDAY...Partly cloudy. Scattered showers. Lows 46 to 56. Highs 74 to 81. South winds 5 to 15 mph with gusts to around 30 mph. .SATURDAY...Partly cloudy. Scattered showers. Lows 45 to 55. Highs 72 to 81. South winds 5 to 10 mph. .SUNDAY...Mostly cloudy. Scattered showers and isolated thunderstorms. Lows 45 to 55. Highs 69 to 76. .MONDAY...Partly sunny. Scattered showers and isolated thunderstorms. Highs 70 to 77. $$ MTZ124-012230- Wheatland County/Sweet Grass County- 1231 AM MDT Tue Sep 1 2026 .Today... * Sky/weather...........Partly sunny. * Max temperature.......79-84. * 24 hr trend.........Unchanged. * Min humidity..........17-22 percent. * 24 hr trend.........4 percent wetter. * Wind (20 ft) * Plains...............West winds 5 to 10 mph in the morning shifting to the southeast 5 to 15 mph in the afternoon. * Chance of lightning...2 percent. * CWR...................Zero. .TONIGHT... * Sky/weather...........Mostly cloudy. Isolated rain showers overnight. * Min temperature.......48-53. * 24 hr trend.........4 degrees warmer. * Max humidity..........80-85 percent. * 24 hr trend.........14 percent wetter. * Wind (20 ft) * Plains...............Southeast winds 5 to 15 mph in the evening shifting to the northwest 5 to 10 mph overnight. * Chance of lightning...8 percent. * CWR...................Less than 10 percent. .WEDNESDAY... * Sky/weather...........Mostly sunny. Isolated showers and thunderstorms in the afternoon. * Max temperature.......80-85. * 24 hr trend.........1 degree warmer. * Min humidity..........15-20 percent. * 24 hr trend.........2 percent drier. * Wind (20 ft) * Plains...............Southwest winds 5 to 15 mph. Gusts up to 30 mph in the afternoon. * Chance of lightning...15 percent. * CWR...................Less than 10 percent. .Forecast days 3 through 7...... .WEDNESDAY NIGHT...Partly cloudy. Lows 47 to 52. West winds 10 to 20 mph with gusts to around 30 mph. .THURSDAY...Partly cloudy. Lows 46 to 51. Highs 78 to 83. Southwest winds 10 to 20 mph with gusts to around 30 mph. .FRIDAY...Partly cloudy. Lows 47 to 52. Highs 78 to 83. Southwest winds 5 to 15 mph. .SATURDAY...Partly cloudy. Scattered showers. Lows 47 to 52. Highs 76 to 81. Northeast winds 5 to 15 mph. .SUNDAY...Mostly cloudy. Scattered showers and isolated thunderstorms. Lows 47 to 52. Highs 73 to 78. .MONDAY...Partly sunny. Isolated showers. Highs 74 to 79. $$ MTZ125-012230- Stillwater County- 1231 AM MDT Tue Sep 1 2026 .Today... * Sky/weather...........Mostly cloudy with isolated rain showers. * Max temperature.......77-82. * 24 hr trend.........Unchanged. * Min humidity..........25-30 percent. * 24 hr trend.........10 percent wetter. * Wind (20 ft) * Plains...............Light winds in the morning becoming southeast 5 to 10 mph in the afternoon. * Chance of lightning...8 percent. * CWR...................Less than 10 percent. .TONIGHT... * Sky/weather...........Mostly cloudy. * Min temperature.......52-57. * 24 hr trend.........1 degree warmer. * Max humidity..........60-65 percent. * 24 hr trend.........18 percent wetter. * Wind (20 ft) * Plains...............Southwest winds 5 to 10 mph. * Chance of lightning...7 percent. * CWR...................Zero. .WEDNESDAY... * Sky/weather...........Mostly sunny. * Max temperature.......81-86. * 24 hr trend.........4 degrees warmer. * Min humidity..........14-19 percent. * 24 hr trend.........11 percent drier. * Wind (20 ft) * Plains...............Southwest winds 5 to 10 mph. * Chance of lightning...4 percent. * CWR...................Zero. .Forecast days 3 through 7...... .WEDNESDAY NIGHT...Mostly cloudy. Lows 51 to 56. Southwest winds 5 to 15 mph. .THURSDAY...Mostly clear. Lows 51 to 56. Highs 80 to 85. Southwest winds 5 to 15 mph. .FRIDAY...Mostly clear. Lows 53 to 58. Highs 82 to 87. South winds 5 to 10 mph. .SATURDAY...Partly cloudy. Isolated showers. Lows 53 to 58. Highs 77 to 82. Northeast winds 5 to 10 mph. .SUNDAY...Mostly cloudy. Scattered showers and isolated thunderstorms. Lows 52 to 57. Highs 74 to 79. .MONDAY...Mostly sunny. Isolated showers. Highs 75 to 80. $$ MTZ126-012230- Beartooth Ranger District Custer National Forest- 1231 AM MDT Tue Sep 1 2026 .Today... * Sky/weather...........Mostly cloudy. Scattered rain showers in the morning, then isolated showers and thunderstorms in the afternoon. * Max temperature.......70-78 at 5000 feet...63-73 at 7000 feet. * 24 hr trend.........3 degrees warmer. * Min humidity..........20-30 percent at 5000 feet...23-33 percent at 7000 feet. * 24 hr trend.........16 percent wetter. * Wind (20 ft) * Slope/valley.........South winds 5 to 10 mph. * Ridgetop.............South 5 to 10 mph. * Chance of lightning...17 percent. * CWR...................Less than 10 percent. .TONIGHT... * Sky/weather...........Mostly cloudy. * Min temperature.......54-60 at 5000 feet...46-56 at 7000 feet. * 24 hr trend.........Unchanged. * Max humidity..........50-60 percent at 5000 feet...56-66 percent at 7000 feet. * 24 hr trend.........17 percent wetter. * Wind (20 ft) * Slope/valley.........Southwest winds 5 to 15 mph. * Ridgetop.............Southwest 10 to 20 mph. * Chance of lightning...11 percent. * CWR...................Zero. .WEDNESDAY... * Sky/weather...........Mostly sunny. * Max temperature.......75-83 at 5000 feet...66-76 at 7000 feet. * 24 hr trend.........2 degrees warmer. * Min humidity..........15-23 percent at 5000 feet...18-28 percent at 7000 feet. * 24 hr trend.........7 percent drier. * Wind (20 ft) * Slope/valley.........Southwest winds 5 to 15 mph. * Ridgetop.............Southwest 15 to 25 mph. * Chance of lightning...4 percent. * CWR...................Zero. .Forecast days 3 through 7...... .WEDNESDAY NIGHT...Mostly cloudy. Lows 52 to 60. Southwest winds 5 to 15 mph. .THURSDAY...Mostly clear. Lows 52 to 60. Highs 75 to 84. Southwest winds 10 to 20 mph with gusts to around 30 mph. .FRIDAY...Partly cloudy. Lows 54 to 61. Highs 78 to 87. Southwest winds 5 to 15 mph. .SATURDAY...Partly cloudy. Scattered showers. Lows 53 to 61. Highs 75 to 83. Northwest winds 5 to 10 mph. .SUNDAY...Mostly cloudy. Scattered showers and isolated thunderstorms. Lows 53 to 60. Highs 70 to 78. .MONDAY...Partly sunny. Scattered showers and isolated thunderstorms. Highs 71 to 79. $$ MTZ127-012230- Golden Valley County/Musselshell county- 1231 AM MDT Tue Sep 1 2026 .Today... * Sky/weather...........Mostly cloudy. * Max temperature.......74-79. * 24 hr trend.........Unchanged. * Min humidity..........18-23 percent. * 24 hr trend.........3 percent wetter. * Wind (20 ft) * Plains...............South winds 5 to 10 mph. * Chance of lightning...1 percent. * CWR...................Zero. .TONIGHT... * Sky/weather...........Mostly cloudy. * Min temperature.......55-60. * 24 hr trend.........3 degrees warmer. * Max humidity..........58-63 percent. * 24 hr trend.........16 percent wetter. * Wind (20 ft) * Plains...............South winds 5 to 10 mph. * Chance of lightning...3 percent. * CWR...................Zero. .WEDNESDAY... * Sky/weather...........Sunny. * Max temperature.......80-85. * 24 hr trend.........6 degrees warmer. * Min humidity..........15-20 percent. * 24 hr trend.........3 percent drier. * Wind (20 ft) * Plains...............Southwest winds 5 to 15 mph. * Chance of lightning...4 percent. * CWR...................Zero. .Forecast days 3 through 7...... .WEDNESDAY NIGHT...Partly cloudy. Lows 56 to 61. West winds 5 to 15 mph. .THURSDAY...Partly cloudy. Lows 55 to 60. Highs 78 to 83. Southwest winds 5 to 15 mph. .FRIDAY...Partly cloudy. Isolated showers. Lows 56 to 61. Highs 79 to 84. Northeast winds 5 to 15 mph. .SATURDAY...Partly cloudy. Isolated showers. Lows 55 to 60. Highs 74 to 79. Northeast winds 5 to 15 mph. .SUNDAY...Mostly cloudy. Scattered showers. Lows 55 to 60. Highs 71 to 76. .MONDAY...Partly sunny. Isolated showers. Highs 73 to 78. $$ MTZ128-012230- Yellowstone County- 1231 AM MDT Tue Sep 1 2026 .Today... * Sky/weather...........Mostly cloudy. Isolated rain showers in the afternoon. * Max temperature.......78-83. * 24 hr trend.........Unchanged. * Min humidity..........20-25 percent. * 24 hr trend.........9 percent wetter. * Wind (20 ft) * Plains...............Southwest winds 5 to 10 mph. * Chance of lightning...1 percent. * CWR...................Zero. .TONIGHT... * Sky/weather...........Mostly cloudy. * Min temperature.......55-60. * 24 hr trend.........4 degrees warmer. * Max humidity..........68-73 percent. * 24 hr trend.........14 percent wetter. * Wind (20 ft) * Plains...............South winds 5 to 10 mph. * Chance of lightning...3 percent. * CWR...................Zero. .WEDNESDAY... * Sky/weather...........Mostly sunny. * Max temperature.......85-90. * 24 hr trend.........7 degrees warmer. * Min humidity..........14-19 percent. * 24 hr trend.........6 percent drier. * Wind (20 ft) * Plains...............Southwest winds 5 to 15 mph. * Chance of lightning...5 percent. * CWR...................Zero. .Forecast days 3 through 7...... .WEDNESDAY NIGHT...Mostly cloudy. Lows 56 to 61. West winds 5 to 15 mph. .THURSDAY...Mostly clear. Lows 54 to 59. Highs 84 to 89. Southwest winds 5 to 15 mph. .FRIDAY...Mostly clear. Lows 55 to 60. Highs 85 to 90. Northeast winds 5 to 15 mph. .SATURDAY...Partly cloudy. Isolated showers. Lows 56 to 61. Highs 81 to 86. Northeast winds 5 to 15 mph. .SUNDAY...Mostly cloudy. Scattered showers. Lows 55 to 60. Highs 77 to 82. .MONDAY...Partly sunny. Isolated showers. Highs 78 to 83. $$ MTZ129-012230- Crow Indian Reservation/Bighorn Canyon Rec Area- 1231 AM MDT Tue Sep 1 2026 .Today... * Sky/weather...........Cloudy in the morning then becoming partly sunny. Isolated rain showers. * Max temperature.......70-80 at 5000 feet...63-70 at 7000 feet. * 24 hr trend.........1 degree cooler. * Min humidity..........19-24 percent. * 24 hr trend.........4 percent wetter. * Wind (20 ft) * Slope/valley.........Southeast winds 5 to 10 mph in the morning shifting to the north in the afternoon. * Ridgetop.............South 5 to 10 mph. * Chance of lightning...6 percent. * CWR...................Less than 10 percent. .TONIGHT... * Sky/weather...........Partly cloudy. * Min temperature.......55-61 at 5000 feet...53-58 at 7000 feet. * 24 hr trend.........1 degree warmer. * Max humidity..........47-57 percent at 5000 feet...45-52 percent at 7000 feet. * 24 hr trend.........20 percent wetter. * Wind (20 ft) * Slope/valley.........Southeast winds 5 to 10 mph. * Ridgetop.............Southwest 5 to 15 mph. * Chance of lightning...3 percent. * CWR...................Zero. .WEDNESDAY... * Sky/weather...........Sunny. * Max temperature.......76-86 at 5000 feet...69-76 at 7000 feet. * 24 hr trend.........7 degrees warmer. * Min humidity..........15-21 percent at 5000 feet...17-22 percent at 7000 feet. * 24 hr trend.........5 percent drier. * Wind (20 ft) * Slope/valley.........Southwest winds 5 to 15 mph. * Ridgetop.............Southwest 10 to 20 mph. * Chance of lightning...3 percent. * CWR...................Zero. .Forecast days 3 through 7...... .WEDNESDAY NIGHT...Partly cloudy. Lows 55 to 60. West winds 5 to 10 mph. .THURSDAY...Mostly clear. Lows 55 to 61. Highs 76 to 86. South winds 5 to 10 mph. .FRIDAY...Mostly clear. Lows 55 to 62. Highs 79 to 89. Southeast winds 5 to 10 mph. .SATURDAY...Partly cloudy. Lows 55 to 61. Highs 73 to 83. Northeast winds 5 to 10 mph. .SUNDAY...Mostly cloudy. Isolated showers and thunderstorms. Lows 55 to 60. Highs 70 to 80. .MONDAY...Mostly sunny. Isolated showers. Highs 71 to 81. $$ MTZ130-012230- Northern Rosebud/Northern Treasure Counties- 1231 AM MDT Tue Sep 1 2026 .Today... * Sky/weather...........Mostly cloudy. * Max temperature.......81-86. * 24 hr trend.........2 degrees warmer. * Min humidity..........18-23 percent. * 24 hr trend.........1 percent wetter. * Wind (20 ft) * Plains...............East winds 5 to 15 mph. * Chance of lightning...2 percent. * CWR...................Zero. .TONIGHT... * Sky/weather...........Partly cloudy. * Min temperature.......54-59. * 24 hr trend.........5 degrees warmer. * Max humidity..........89-94 percent. * 24 hr trend.........27 percent wetter. * Wind (20 ft) * Plains...............Southeast winds 5 to 10 mph. * Chance of lightning...3 percent. * CWR...................Zero. .WEDNESDAY... * Sky/weather...........Mostly sunny. * Max temperature.......88-93. * 24 hr trend.........7 degrees warmer. * Min humidity..........15-20 percent. * 24 hr trend.........3 percent drier. * Wind (20 ft) * Plains...............South winds 5 to 10 mph. * Chance of lightning...3 percent. * CWR...................Zero. .Forecast days 3 through 7...... .WEDNESDAY NIGHT...Partly cloudy. Lows 54 to 59. West winds 5 to 10 mph. .THURSDAY...Mostly clear. Lows 53 to 58. Highs 87 to 92. Southwest winds 5 to 10 mph. .FRIDAY...Mostly clear. Lows 55 to 60. Highs 87 to 92. North winds 5 to 10 mph. .SATURDAY...Partly cloudy. Scattered showers. Lows 57 to 62. Highs 83 to 88. Northeast winds 5 to 15 mph. .SUNDAY...Mostly cloudy. Scattered showers. Lows 55 to 60. Highs 80 to 85. .MONDAY...Partly sunny. Highs 80 to 85. $$ MTZ131-012230- Northern Cheyenne Indian Reservation/Ashland Ranger District Custer Natl Forest- 1231 AM MDT Tue Sep 1 2026 .Today... * Sky/weather...........Cloudy in the morning then becoming partly sunny. Isolated rain showers. * Max temperature.......80-85. * 24 hr trend.........Unchanged. * Min humidity..........22-27 percent. * 24 hr trend.........12 percent wetter. * Wind (20 ft) * Slope/valley.........Southeast winds 5 to 15 mph. * Ridgetop.............South 5 to 15 mph. * Chance of lightning...10 percent. * CWR...................Less than 10 percent. .TONIGHT... * Sky/weather...........Partly cloudy. Isolated rain showers in the evening. * Min temperature.......51-56. * 24 hr trend.........1 degree warmer. * Max humidity..........78-83 percent. * 24 hr trend.........36 percent wetter. * Wind (20 ft) * Slope/valley.........Southeast winds 5 to 10 mph. * Ridgetop.............Southwest 5 to 15 mph. * Chance of lightning...4 percent. * CWR...................Zero. .WEDNESDAY... * Sky/weather...........Sunny. * Max temperature.......88-93. * 24 hr trend.........8 degrees warmer. * Min humidity..........13-18 percent. * 24 hr trend.........9 percent drier. * Wind (20 ft) * Slope/valley.........South winds 5 to 10 mph. * Ridgetop.............Southwest 10 to 20 mph. * Chance of lightning...1 percent. * CWR...................Zero. .Forecast days 3 through 7...... .WEDNESDAY NIGHT...Partly cloudy. Lows 53 to 58. West winds 5 to 10 mph. .THURSDAY...Clear. Lows 52 to 57. Highs 87 to 92. South winds 5 to 10 mph. .FRIDAY...Mostly clear. Lows 54 to 59. Highs 91 to 96. Southeast winds 5 to 10 mph. .SATURDAY...Partly cloudy. Isolated showers. Lows 55 to 60. Highs 85 to 90. Northeast winds 5 to 10 mph. .SUNDAY...Mostly cloudy. Scattered showers and isolated thunderstorms. Lows 54 to 59. Highs 81 to 86. .MONDAY...Mostly sunny. Highs 82 to 87. $$ MTZ132-012230- Custer County- 1231 AM MDT Tue Sep 1 2026 .Today... * Sky/weather...........Mostly cloudy. Isolated rain showers in the afternoon. * Max temperature.......80-85. * 24 hr trend.........4 degrees warmer. * Min humidity..........21-26 percent. * 24 hr trend.........1 percent wetter. * Wind (20 ft) * Plains...............Southeast winds 5 to 15 mph. * Chance of lightning...2 percent. * CWR...................Zero. .TONIGHT... * Sky/weather...........Mostly cloudy. * Min temperature.......55-60. * 24 hr trend.........3 degrees warmer. * Max humidity..........84-89 percent. * 24 hr trend.........34 percent wetter. * Wind (20 ft) * Plains...............Southeast winds 5 to 15 mph. * Chance of lightning...10 percent. * CWR...................Zero. .WEDNESDAY... * Sky/weather...........Sunny. * Max temperature.......87-92. * 24 hr trend.........7 degrees warmer. * Min humidity..........23-28 percent. * 24 hr trend.........2 percent wetter. * Wind (20 ft) * Plains...............Southeast winds 5 to 15 mph. * Chance of lightning...3 percent. * CWR...................Zero. .Forecast days 3 through 7...... .WEDNESDAY NIGHT...Partly cloudy. Isolated showers and thunderstorms. Lows 57 to 62. South winds 5 to 15 mph. .THURSDAY...Mostly clear. Lows 58 to 63. Highs 86 to 91. South winds 5 to 15 mph. .FRIDAY...Mostly clear. Lows 59 to 64. Highs 89 to 94. Southeast winds 5 to 15 mph. .SATURDAY...Mostly clear. Isolated showers. Lows 59 to 64. Highs 84 to 89. North winds 5 to 15 mph. .SUNDAY...Mostly cloudy. Scattered showers and isolated thunderstorms. Lows 57 to 62. Highs 80 to 85. .MONDAY...Partly sunny. Highs 80 to 85. $$ MTZ133-012230- Sioux Ranger District Custer National Forest- 1231 AM MDT Tue Sep 1 2026 .Today... * Sky/weather...........Mostly cloudy. Isolated rain showers in the morning, then scattered rain showers in the afternoon. * Max temperature.......78-83. * 24 hr trend.........Unchanged. * Min humidity..........27-32 percent. * 24 hr trend.........10 percent wetter. * Wind (20 ft) * Plains...............Southeast winds 10 to 20 mph. * Chance of lightning...8 percent. * CWR...................Less than 10 percent. .TONIGHT... * Sky/weather...........Mostly cloudy. Scattered rain showers and isolated thunderstorms in the evening. * Min temperature.......53-58. * 24 hr trend.........2 degrees warmer. * Max humidity..........95-100 percent. * 24 hr trend.........46 percent wetter. * Wind (20 ft) * Plains...............Southeast winds 5 to 15 mph. * Chance of lightning...17 percent. * CWR...................Less than 10 percent. .WEDNESDAY... * Sky/weather...........Mostly sunny. * Max temperature.......87-92. * 24 hr trend.........9 degrees warmer. * Min humidity..........25-30 percent. * 24 hr trend.........2 percent drier. * Wind (20 ft) * Plains...............Southeast winds 5 to 15 mph. * Chance of lightning...4 percent. * CWR...................Zero. .Forecast days 3 through 7...... .WEDNESDAY NIGHT...Mostly clear. Lows 57 to 62. South winds 5 to 15 mph. .THURSDAY...Mostly clear. Lows 57 to 62. Highs 88 to 93. South winds 5 to 15 mph. .FRIDAY...Mostly clear. Lows 61 to 66. Highs 91 to 96. South winds 5 to 15 mph. .SATURDAY...Partly cloudy. Isolated showers. Lows 59 to 64. Highs 87 to 92. Northeast winds 5 to 15 mph. .SUNDAY...Mostly cloudy. Scattered showers and isolated thunderstorms. Lows 57 to 62. Highs 83 to 88. .MONDAY...Mostly sunny. Highs 83 to 88. $$ WYZ274-012230- Sheridan County- 1231 AM MDT Tue Sep 1 2026 .Today... * Sky/weather...........Cloudy with isolated rain showers in the morning, then partly sunny with isolated showers and thunderstorms in the afternoon. * Max temperature.......77-82. * 24 hr trend.........2 degrees cooler. * Min humidity..........21-26 percent. * 24 hr trend.........7 percent wetter. * Wind (20 ft) * Slope/valley.........Light winds in the morning becoming northeast 5 to 10 mph in the afternoon. * Ridgetop.............South 5 to 15 mph. * Chance of lightning...15 percent. * CWR...................Less than 10 percent. .TONIGHT... * Sky/weather...........Partly cloudy. * Min temperature.......47-52. * 24 hr trend.........Unchanged. * Max humidity..........80-85 percent. * 24 hr trend.........25 percent wetter. * Wind (20 ft) * Slope/valley.........Southeast winds 5 to 10 mph in the evening becoming light overnight. * Ridgetop.............West 10 to 20 mph. * Chance of lightning...3 percent. * CWR...................Zero. .WEDNESDAY... * Sky/weather...........Sunny. * Max temperature.......85-90. * 24 hr trend.........8 degrees warmer. * Min humidity..........14-19 percent. * 24 hr trend.........7 percent drier. * Wind (20 ft) * Slope/valley.........Light winds in the morning becoming southwest 5 to 10 mph in the afternoon. * Ridgetop.............Southwest 10 to 20 mph. * Chance of lightning...4 percent. * CWR...................Zero. .Forecast days 3 through 7...... .WEDNESDAY NIGHT...Partly cloudy. Lows 48 to 53. Southwest winds 5 to 10 mph. .THURSDAY...Mostly clear. Lows 49 to 54. Highs 85 to 90. Southwest winds 5 to 10 mph. .FRIDAY...Mostly clear. Lows 52 to 57. Highs 89 to 94. Southwest winds 5 to 10 mph. .SATURDAY...Partly cloudy. Isolated showers. Lows 52 to 57. Highs 83 to 88. Southwest winds 5 to 10 mph. .SUNDAY...Mostly cloudy. Isolated showers and thunderstorms. Lows 50 to 55. Highs 79 to 84. .MONDAY...Mostly sunny. Highs 80 to 85. $$ WYZ284-012230- Bighorn National Forest- 1231 AM MDT Tue Sep 1 2026 .Today... * Sky/weather...........Mostly cloudy. Scattered rain showers in the morning, then scattered rain showers and isolated thunderstorms in the afternoon. * Max temperature.......62-67. * 24 hr trend.........2 degrees cooler. * Min humidity..........22-27 percent. * 24 hr trend.........13 percent wetter. * Wind (20 ft) * At Burgess Jct.......Southeast winds 5 to 15 mph. * Chance of lightning...21 percent. * CWR...................30 percent. .TONIGHT... * Sky/weather...........Partly cloudy. * Min temperature.......42-47. * 24 hr trend.........Unchanged. * Max humidity..........72-77 percent. * 24 hr trend.........21 percent wetter. * Wind (20 ft) * At Burgess Jct.......Southwest winds 5 to 15 mph. * Chance of lightning...4 percent. * CWR...................Zero. .WEDNESDAY... * Sky/weather...........Sunny. * Max temperature.......66-71. * 24 hr trend.........4 degrees warmer. * Min humidity..........18-23 percent. * 24 hr trend.........4 percent drier. * Wind (20 ft) * At Burgess Jct.......Southwest winds 15 to 25 mph with gusts to around 40 mph. * Chance of lightning...4 percent. * CWR...................Zero. .Forecast days 3 through 7...... .WEDNESDAY NIGHT...Partly cloudy. Lows 41 to 46. Southwest winds 10 to 20 mph with gusts to around 35 mph. .THURSDAY...Mostly clear. Lows 43 to 48. Highs 66 to 71. Southwest winds 10 to 20 mph with gusts to around 35 mph. .FRIDAY...Mostly clear. Lows 44 to 49. Highs 69 to 74. Southwest winds 10 to 20 mph with gusts to around 35 mph. .SATURDAY...Partly cloudy. Isolated showers and thunderstorms. Lows 44 to 49. Highs 67 to 72. South winds 5 to 15 mph. .SUNDAY...Mostly cloudy. Scattered showers and isolated thunderstorms. Lows 42 to 47. Highs 64 to 69. .MONDAY...Mostly sunny. Isolated showers. Highs 64 to 69. $$ weather.gov/billings