Routine Fire Wx Fcst (With/Without 6-10 Day Outlook)
Issued by NWS Billings, MT
Issued by NWS Billings, MT
532 FNUS55 KBYZ 150717 FWFBYZ Fire Weather Planning Forecast for SCen and SErn Montana National Weather Service Billings MT 117 AM MDT Tue Sep 15 2026 .DISCUSSION... ...Next Precipitation Potential Thursday-Saturday... Winds are expected to shift from west to east today with wind gusts in the 20s mph this evening. A low level jet is expected to form across southeast MT and northwest SD overnight tonight bringing southeast gusts 25 to 35 mph. Conditions are expected to be dry with temperatures in the 60s and 70s through Wednesday. A weather system moving in Thursday through the weekend looks to be the next best chance for beneficial precipitation. Daily CWRs go up to about 40-60% during this time frame. TS MTZ123-152245- Gallatin National Forest- 117 AM MDT Tue Sep 15 2026 .Today... * Sky/weather...........Sunny. * Max temperature.......62-72 at 5000 feet...53-63 at 7000 feet. * 24 hr trend.........11 degrees warmer. * Min humidity..........21-31 percent at 5000 feet...29-39 percent at 7000 feet. * 24 hr trend.........7 percent drier. * Wind (20 ft) * Slope/valley.........Southeast winds 5 to 10 mph in the morning shifting to the north in the afternoon. * Ridgetop.............Southwest 5 to 15 mph. * Chance of lightning...0 percent. * CWR...................Zero. .TONIGHT... * Sky/weather...........Partly cloudy. * Min temperature.......36-46 at 5000 feet...31-41 at 7000 feet. * 24 hr trend.........2 degrees warmer. * Max humidity..........71-81 percent at 5000 feet...63-73 percent at 7000 feet. * 24 hr trend.........6 percent drier. * Wind (20 ft) * Slope/valley.........East winds 5 to 10 mph in the evening becoming light overnight. * Ridgetop.............Southwest 5 to 15 mph. * Chance of lightning...1 percent. * CWR...................Zero. .WEDNESDAY... * Sky/weather...........Sunny. * Max temperature.......65-75 at 5000 feet...55-65 at 7000 feet. * 24 hr trend.........2 degrees cooler. * Min humidity..........26-36 percent at 5000 feet...32-42 percent at 7000 feet. * 24 hr trend.........15 percent wetter. * Wind (20 ft) * Slope/valley.........Light winds in the morning becoming north 5 to 10 mph in the afternoon. * Ridgetop.............Southwest 5 to 15 mph. * Chance of lightning...0 percent. * CWR...................Zero. .Forecast days 3 through 7...... .WEDNESDAY NIGHT...Partly cloudy. Lows 39 to 49. East winds 5 to 10 mph. .THURSDAY...Mostly cloudy. Numerous showers and isolated thunderstorms. Lows 43 to 53. Highs 68 to 78. South winds 5 to 10 mph. .FRIDAY...Mostly cloudy. Showers and isolated thunderstorms. Lows 40 to 50. Highs 63 to 72. Southwest winds 5 to 10 mph. .SATURDAY...Partly cloudy. Scattered showers. Lows 40 to 50. Highs 65 to 74. Southwest winds 5 to 10 mph. .SUNDAY...Mostly clear. Lows 41 to 51. Highs 69 to 78. .MONDAY...Sunny. Highs 71 to 80. $$ MTZ124-152245- Wheatland County/Sweet Grass County- 117 AM MDT Tue Sep 15 2026 .Today... * Sky/weather...........Sunny. * Max temperature.......62-67. * 24 hr trend.........2 degrees warmer. * Min humidity..........34-39 percent. * 24 hr trend.........1 percent wetter. * Wind (20 ft) * Plains...............South winds 5 to 15 mph in the morning increasing to southeast 15 to 25 mph with gusts to around 30 mph in the afternoon. * Chance of lightning...1 percent. * CWR...................Zero. .TONIGHT... * Sky/weather...........Partly cloudy. * Min temperature.......40-45. * 24 hr trend.........4 degrees warmer. * Max humidity..........81-86 percent. * 24 hr trend.........9 percent drier. * Wind (20 ft) * Plains...............Southeast winds 10 to 20 mph with gusts to around 30 mph in the evening shifting to the west 5 to 15 mph overnight. * Chance of lightning...1 percent. * CWR...................Zero. .WEDNESDAY... * Sky/weather...........Sunny. * Max temperature.......62-67. * 24 hr trend.........Unchanged. * Min humidity..........39-44 percent. * 24 hr trend.........5 percent wetter. * Wind (20 ft) * Plains...............North winds 10 to 20 mph. * Chance of lightning...0 percent. * CWR...................Zero. .Forecast days 3 through 7...... .WEDNESDAY NIGHT...Mostly clear. Lows 41 to 46. Southeast winds 5 to 15 mph. .THURSDAY...Partly cloudy. Scattered showers. Lows 47 to 52. Highs 68 to 73. South winds 5 to 15 mph. .FRIDAY...Mostly cloudy. Numerous showers and isolated thunderstorms. Lows 44 to 49. Highs 67 to 72. West winds 10 to 20 mph. .SATURDAY...Partly cloudy. Scattered showers. Lows 44 to 49. Highs 68 to 73. Northwest winds 5 to 15 mph. .SUNDAY...Mostly clear. Isolated showers. Lows 44 to 49. Highs 72 to 77. .MONDAY...Sunny. Highs 74 to 79. $$ MTZ125-152245- Stillwater County- 117 AM MDT Tue Sep 15 2026 .Today... * Sky/weather...........Sunny. * Max temperature.......65-70. * 24 hr trend.........Unchanged. * Min humidity..........27-32 percent. * 24 hr trend.........10 percent wetter. * Wind (20 ft) * Plains...............Southeast winds 5 to 15 mph. * Chance of lightning...0 percent. * CWR...................Zero. .TONIGHT... * Sky/weather...........Mostly clear. * Min temperature.......42-47. * 24 hr trend.........4 degrees warmer. * Max humidity..........65-70 percent. * 24 hr trend.........8 percent drier. * Wind (20 ft) * Plains...............Northwest winds 5 to 10 mph. * Chance of lightning...1 percent. * CWR...................Zero. .WEDNESDAY... * Sky/weather...........Sunny. * Max temperature.......64-69. * 24 hr trend.........1 degree cooler. * Min humidity..........35-40 percent. * 24 hr trend.........8 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...0 percent. * CWR...................Zero. .Forecast days 3 through 7...... .WEDNESDAY NIGHT...Mostly clear. Lows 44 to 49. Southeast winds 5 to 10 mph. .THURSDAY...Mostly cloudy. Scattered showers and isolated thunderstorms. Lows 49 to 54. Highs 70 to 75. South winds 5 to 10 mph. .FRIDAY...Mostly cloudy. Scattered showers and isolated thunderstorms. Lows 46 to 51. Highs 69 to 74. West winds 5 to 15 mph. .SATURDAY...Partly cloudy. Scattered showers. Lows 45 to 50. Highs 68 to 73. West winds 5 to 10 mph. .SUNDAY...Mostly clear. Lows 45 to 50. Highs 72 to 77. .MONDAY...Sunny. Highs 75 to 80. $$ MTZ126-152245- Beartooth Ranger District Custer National Forest- 117 AM MDT Tue Sep 15 2026 .Today... * Sky/weather...........Sunny. * Max temperature.......62-68 at 5000 feet...53-62 at 7000 feet. * 24 hr trend.........8 degrees warmer. * Min humidity..........24-34 percent at 5000 feet...30-40 percent at 7000 feet. * 24 hr trend.........7 percent wetter. * Wind (20 ft) * Slope/valley.........Southeast winds 5 to 15 mph. * Ridgetop.............Southwest 5 to 15 mph. * Chance of lightning...0 percent. * CWR...................Zero. .TONIGHT... * Sky/weather...........Mostly clear. * Min temperature.......43-50 at 5000 feet...37-47 at 7000 feet. * 24 hr trend.........5 degrees warmer. * Max humidity..........56-66 percent at 5000 feet...54-64 percent at 7000 feet. * 24 hr trend.........14 percent drier. * Wind (20 ft) * Slope/valley.........Southwest winds 5 to 15 mph. * Ridgetop.............Southwest 10 to 20 mph. * Chance of lightning...0 percent. * CWR...................Zero. .WEDNESDAY... * Sky/weather...........Sunny. * Max temperature.......60-69 at 5000 feet...53-63 at 7000 feet. * 24 hr trend.........1 degree cooler. * Min humidity..........33-43 percent at 5000 feet...36-46 percent at 7000 feet. * 24 hr trend.........1 percent drier. * Wind (20 ft) * Slope/valley.........North winds 5 to 15 mph. * Ridgetop.............Southwest 5 to 10 mph. * Chance of lightning...0 percent. * CWR...................Zero. .Forecast days 3 through 7...... .WEDNESDAY NIGHT...Partly cloudy. Lows 44 to 52. West winds 5 to 10 mph. .THURSDAY...Mostly cloudy. Scattered showers and isolated thunderstorms. Lows 50 to 59. Highs 68 to 76. South winds 5 to 10 mph. .FRIDAY...Mostly cloudy. Numerous showers and isolated thunderstorms. Lows 47 to 53. Highs 66 to 73. West winds 5 to 15 mph. .SATURDAY...Partly cloudy. Scattered showers. Lows 46 to 53. Highs 62 to 71. Northwest winds 5 to 10 mph. .SUNDAY...Mostly clear. Lows 47 to 54. Highs 66 to 75. .MONDAY...Sunny. Highs 69 to 78. $$ MTZ127-152245- Golden Valley County/Musselshell county- 117 AM MDT Tue Sep 15 2026 .Today... * Sky/weather...........Sunny. * Max temperature.......59-64. * 24 hr trend.........1 degree warmer. * Min humidity..........40-45 percent. * 24 hr trend.........11 percent wetter. * Wind (20 ft) * Plains...............Southeast winds 5 to 15 mph. * Chance of lightning...0 percent. * CWR...................Zero. .TONIGHT... * Sky/weather...........Partly cloudy. * Min temperature.......42-47. * 24 hr trend.........1 degree warmer. * Max humidity..........73-78 percent. * 24 hr trend.........11 percent drier. * Wind (20 ft) * Plains...............Northeast winds 10 to 20 mph. Gusts up to 30 mph in the evening. * Chance of lightning...1 percent. * CWR...................Zero. .WEDNESDAY... * Sky/weather...........Sunny. * Max temperature.......57-62. * 24 hr trend.........2 degrees cooler. * Min humidity..........49-54 percent. * 24 hr trend.........9 percent wetter. * Wind (20 ft) * Plains...............North winds 10 to 20 mph. * Chance of lightning...0 percent. * CWR...................Zero. .Forecast days 3 through 7...... .WEDNESDAY NIGHT...Mostly clear. Lows 43 to 48. Northeast winds 5 to 15 mph. .THURSDAY...Partly cloudy. Scattered showers. Lows 52 to 57. Highs 67 to 72. East winds 5 to 10 mph. .FRIDAY...Mostly cloudy. Numerous showers and isolated thunderstorms. Lows 48 to 53. Highs 64 to 69. Northwest winds 5 to 15 mph. .SATURDAY...Partly cloudy. Scattered showers. Lows 47 to 52. Highs 64 to 69. Northwest winds 5 to 10 mph. .SUNDAY...Mostly clear. Lows 48 to 53. Highs 67 to 72. .MONDAY...Sunny. Highs 71 to 76. $$ MTZ128-152245- Yellowstone County- 117 AM MDT Tue Sep 15 2026 .Today... * Sky/weather...........Sunny. * Max temperature.......66-71. * 24 hr trend.........Unchanged. * Min humidity..........34-39 percent. * 24 hr trend.........13 percent wetter. * Wind (20 ft) * Plains...............Southeast winds 5 to 15 mph. * Chance of lightning...0 percent. * CWR...................Zero. .TONIGHT... * Sky/weather...........Mostly clear. * Min temperature.......43-48. * 24 hr trend.........2 degrees warmer. * Max humidity..........81-86 percent. * 24 hr trend.........6 percent drier. * Wind (20 ft) * Plains...............North winds 5 to 15 mph. * Chance of lightning...0 percent. * CWR...................Zero. .WEDNESDAY... * Sky/weather...........Sunny. * Max temperature.......64-69. * 24 hr trend.........2 degrees cooler. * Min humidity..........38-43 percent. * 24 hr trend.........4 percent wetter. * Wind (20 ft) * Plains...............North winds 5 to 15 mph. * Chance of lightning...0 percent. * CWR...................Zero. .Forecast days 3 through 7...... .WEDNESDAY NIGHT...Mostly clear. Lows 45 to 50. Northeast winds 5 to 15 mph. .THURSDAY...Partly cloudy. Isolated showers. Lows 52 to 57. Highs 71 to 76. Northeast winds 5 to 10 mph. .FRIDAY...Mostly cloudy. Numerous showers and isolated thunderstorms. Lows 49 to 54. Highs 71 to 76. West winds 5 to 15 mph. .SATURDAY...Partly cloudy. Scattered showers. Lows 47 to 52. Highs 69 to 74. Northwest winds 5 to 10 mph. .SUNDAY...Mostly clear. Lows 47 to 52. Highs 73 to 78. .MONDAY...Sunny. Highs 77 to 82. $$ MTZ129-152245- Crow Indian Reservation/Bighorn Canyon Rec Area- 117 AM MDT Tue Sep 15 2026 .Today... * Sky/weather...........Sunny. * Max temperature.......60-70 at 5000 feet...56-62 at 7000 feet. * 24 hr trend.........2 degrees warmer. * Min humidity..........26-36 percent at 5000 feet...30-40 percent at 7000 feet. * 24 hr trend.........12 percent wetter. * Wind (20 ft) * Slope/valley.........Southeast winds 5 to 15 mph. * Ridgetop.............Southwest 5 to 15 mph. * Chance of lightning...0 percent. * CWR...................Zero. .TONIGHT... * Sky/weather...........Mostly clear. * Min temperature.......43-51 at 5000 feet...41-47 at 7000 feet. * 24 hr trend.........3 degrees warmer. * Max humidity..........60-70 percent at 5000 feet...49-59 percent at 7000 feet. * 24 hr trend.........8 percent drier. * Wind (20 ft) * Slope/valley.........Southeast winds 10 to 20 mph. Gusts up to 30 mph in the evening. * Ridgetop.............South 15 to 25 mph. * Chance of lightning...0 percent. * CWR...................Zero. .WEDNESDAY... * Sky/weather...........Sunny. * Max temperature.......58-68 at 5000 feet...54-61 at 7000 feet. * 24 hr trend.........2 degrees cooler. * Min humidity..........34-44 percent at 5000 feet...39-45 percent at 7000 feet. * 24 hr trend.........4 percent wetter. * Wind (20 ft) * Slope/valley.........Northwest winds 5 to 15 mph. * Ridgetop.............West 15 to 25 mph. * Chance of lightning...0 percent. * CWR...................Zero. .Forecast days 3 through 7...... .WEDNESDAY NIGHT...Partly cloudy. Lows 45 to 51. East winds 5 to 10 mph. .THURSDAY...Mostly cloudy. Isolated showers. Lows 52 to 58. Highs 67 to 77. Southeast winds 5 to 10 mph. .FRIDAY...Mostly cloudy. Numerous showers and isolated thunderstorms. Lows 46 to 53. Highs 64 to 74. Northwest winds 5 to 15 mph. .SATURDAY...Mostly cloudy. Scattered showers. Lows 47 to 52. Highs 62 to 72. Northwest winds 5 to 10 mph. .SUNDAY...Mostly clear. Lows 48 to 53. Highs 66 to 76. .MONDAY...Sunny. Highs 69 to 79. $$ MTZ130-152245- Northern Rosebud/Northern Treasure Counties- 117 AM MDT Tue Sep 15 2026 .Today... * Sky/weather...........Sunny. Patchy fog in the morning. * Max temperature.......66-71. * 24 hr trend.........2 degrees cooler. * Min humidity..........37-42 percent. * 24 hr trend.........15 percent wetter. * Wind (20 ft) * Plains...............Northwest winds 5 to 10 mph in the morning shifting to the east 5 to 15 mph in the afternoon. * Chance of lightning...0 percent. * CWR...................Zero. .TONIGHT... * Sky/weather...........Mostly clear. * Min temperature.......45-50. * 24 hr trend.........4 degrees warmer. * Max humidity..........79-84 percent. * 24 hr trend.........19 percent drier. * Wind (20 ft) * Plains...............East winds 10 to 20 mph. * Chance of lightning...1 percent. * CWR...................Zero. .WEDNESDAY... * Sky/weather...........Sunny. * Max temperature.......66-71. * 24 hr trend.........Unchanged. * Min humidity..........45-50 percent. * 24 hr trend.........8 percent wetter. * Wind (20 ft) * Plains...............North winds 5 to 15 mph. * Chance of lightning...0 percent. * CWR...................Zero. .Forecast days 3 through 7...... .WEDNESDAY NIGHT...Mostly clear. Lows 43 to 48. Northeast winds 5 to 10 mph. .THURSDAY...Partly cloudy. Scattered showers. Lows 53 to 58. Highs 74 to 79. East winds 5 to 15 mph. .FRIDAY...Mostly cloudy. Numerous showers and isolated thunderstorms. Lows 48 to 53. Highs 72 to 77. Northwest winds 5 to 15 mph. .SATURDAY...Mostly cloudy. Scattered showers. Lows 45 to 50. Highs 67 to 72. North winds 5 to 10 mph. .SUNDAY...Mostly clear. Lows 45 to 50. Highs 72 to 77. .MONDAY...Sunny. Highs 77 to 82. $$ MTZ131-152245- Northern Cheyenne Indian Reservation/Ashland Ranger District Custer Natl Forest- 117 AM MDT Tue Sep 15 2026 .Today... * Sky/weather...........Sunny. * Max temperature.......68-73. * 24 hr trend.........1 degree warmer. * Min humidity..........29-34 percent. * 24 hr trend.........11 percent wetter. * Wind (20 ft) * Slope/valley.........Northwest winds 5 to 10 mph in the morning shifting to the southeast 5 to 15 mph in the afternoon. * Ridgetop.............Southeast 15 mph. * Chance of lightning...0 percent. * CWR...................Zero. .TONIGHT... * Sky/weather...........Mostly clear. * Min temperature.......45-50. * 24 hr trend.........7 degrees warmer. * Max humidity..........76-81 percent. * 24 hr trend.........14 percent drier. * Wind (20 ft) * Slope/valley.........Southeast winds 5 to 15 mph. * Ridgetop.............Southeast 25 to 35 mph. * Chance of lightning...0 percent. * CWR...................Zero. .WEDNESDAY... * Sky/weather...........Sunny. * Max temperature.......69-74. * 24 hr trend.........1 degree warmer. * Min humidity..........32-37 percent. * 24 hr trend.........3 percent wetter. * Wind (20 ft) * Slope/valley.........Northwest winds 5 to 15 mph. * Ridgetop.............North 10 to 20 mph. * Chance of lightning...0 percent. * CWR...................Zero. .Forecast days 3 through 7...... .WEDNESDAY NIGHT...Partly cloudy. Lows 42 to 47. Northeast winds 5 to 10 mph. .THURSDAY...Mostly cloudy. Lows 52 to 57. Highs 76 to 81. Southeast winds 5 to 15 mph. .FRIDAY...Mostly cloudy. Numerous showers and isolated thunderstorms. Lows 45 to 50. Highs 74 to 79. Northwest winds 5 to 15 mph. .SATURDAY...Mostly cloudy. Scattered showers. Lows 42 to 47. Highs 68 to 73. Northwest winds 5 to 10 mph. .SUNDAY...Mostly clear. Lows 43 to 48. Highs 73 to 78. .MONDAY...Sunny. Highs 78 to 83. $$ MTZ132-152245- Custer County- 117 AM MDT Tue Sep 15 2026 .Today... * Sky/weather...........Sunny. Patchy fog in the morning. * Max temperature.......64-69. * 24 hr trend.........1 degree warmer. * Min humidity..........42-47 percent. * 24 hr trend.........20 percent wetter. * Wind (20 ft) * Plains...............Northwest winds 5 to 10 mph in the morning shifting to the northeast in the afternoon. * Chance of lightning...0 percent. * CWR...................Zero. .TONIGHT... * Sky/weather...........Mostly clear. * Min temperature.......50-55. * 24 hr trend.........8 degrees warmer. * Max humidity..........70-75 percent. * 24 hr trend.........28 percent drier. * Wind (20 ft) * Plains...............East winds 10 to 20 mph. * Chance of lightning...1 percent. * CWR...................Zero. .WEDNESDAY... * Sky/weather...........Sunny. * Max temperature.......70-75. * 24 hr trend.........6 degrees warmer. * Min humidity..........39-44 percent. * 24 hr trend.........3 percent drier. * Wind (20 ft) * Plains...............South winds 5 to 15 mph in the morning shifting to the northwest 10 to 20 mph in the afternoon. * Chance of lightning...0 percent. * CWR...................Zero. .Forecast days 3 through 7...... .WEDNESDAY NIGHT...Mostly clear. Lows 44 to 49. Northeast winds 5 to 15 mph. .THURSDAY...Mostly cloudy. Scattered showers. Lows 55 to 60. Highs 70 to 75. Southeast winds 5 to 15 mph with gusts to around 30 mph. .FRIDAY...Mostly cloudy. Numerous showers and scattered thunderstorms. Lows 50 to 55. Highs 72 to 77. West winds 5 to 15 mph. .SATURDAY...Mostly cloudy. Scattered showers and isolated thunderstorms. Lows 46 to 51. Highs 66 to 71. North winds 5 to 15 mph. .SUNDAY...Mostly clear. Isolated showers. Lows 47 to 52. Highs 70 to 75. .MONDAY...Sunny. Highs 75 to 80. $$ MTZ133-152245- Sioux Ranger District Custer National Forest- 117 AM MDT Tue Sep 15 2026 .Today... * Sky/weather...........Mostly sunny. Patchy fog in the morning. * Max temperature.......69-74. * 24 hr trend.........3 degrees warmer. * Min humidity..........34-39 percent. * 24 hr trend.........12 percent wetter. * Wind (20 ft) * Plains...............North winds 5 to 15 mph. * Chance of lightning...0 percent. * CWR...................Zero. .TONIGHT... * Sky/weather...........Partly cloudy. * Min temperature.......50-55. * 24 hr trend.........9 degrees warmer. * Max humidity..........83-88 percent. * 24 hr trend.........11 percent drier. * Wind (20 ft) * Plains...............Southeast winds 10 to 20 mph with gusts to around 25 to 35 mph. * Chance of lightning...12 percent. * CWR...................Zero. .WEDNESDAY... * Sky/weather...........Sunny. * Max temperature.......78-83. * 24 hr trend.........9 degrees warmer. * Min humidity..........30-35 percent. * 24 hr trend.........4 percent drier. * Wind (20 ft) * Plains...............Southeast winds 10 to 20 mph in the morning shifting to the northwest with gusts to around 30 mph in the afternoon. * Chance of lightning...2 percent. * CWR...................Zero. .Forecast days 3 through 7...... .WEDNESDAY NIGHT...Mostly clear. Lows 46 to 51. North winds 5 to 15 mph with gusts to around 30 mph. .THURSDAY...Mostly cloudy. Scattered showers. Lows 54 to 59. Highs 70 to 75. Southeast winds 10 to 20 mph with gusts to around 35 mph. .FRIDAY...Mostly cloudy. Numerous showers and scattered thunderstorms. Lows 50 to 55. Highs 75 to 80. Southwest winds 10 to 20 mph. .SATURDAY...Mostly cloudy. Scattered showers and isolated thunderstorms. Lows 46 to 51. Highs 69 to 74. North winds 5 to 15 mph. .SUNDAY...Partly cloudy. Isolated showers. Lows 46 to 51. Highs 73 to 78. .MONDAY...Sunny. Highs 77 to 82. $$ WYZ274-152245- Sheridan County- 117 AM MDT Tue Sep 15 2026 .Today... * Sky/weather...........Sunny. * Max temperature.......69-74. * 24 hr trend.........Unchanged. * Min humidity..........28-33 percent. * 24 hr trend.........10 percent wetter. * Wind (20 ft) * Slope/valley.........Southeast winds 5 to 15 mph. * Ridgetop.............Southwest 5 to 15 mph. * Chance of lightning...0 percent. * CWR...................Zero. .TONIGHT... * Sky/weather...........Partly cloudy. * Min temperature.......42-47. * 24 hr trend.........7 degrees warmer. * Max humidity..........73-78 percent. * 24 hr trend.........17 percent drier. * Wind (20 ft) * Slope/valley.........Southeast winds 5 to 15 mph in the evening shifting to the west 5 to 10 mph overnight. * Ridgetop.............Southwest 10 to 20 mph. * Chance of lightning...0 percent. * CWR...................Zero. .WEDNESDAY... * Sky/weather...........Sunny. * Max temperature.......68-73. * 24 hr trend.........1 degree cooler. * Min humidity..........29-34 percent. * 24 hr trend.........1 percent wetter. * Wind (20 ft) * Slope/valley.........Northwest winds 5 to 15 mph. * Ridgetop.............West 10 to 20 mph. * Chance of lightning...1 percent. * CWR...................Zero. .Forecast days 3 through 7...... .WEDNESDAY NIGHT...Partly cloudy. Lows 39 to 44. Northwest winds 5 to 10 mph. .THURSDAY...Mostly cloudy. Isolated showers and thunderstorms. Lows 48 to 53. Highs 75 to 80. Southeast winds 5 to 10 mph. .FRIDAY...Mostly cloudy. Numerous showers and isolated thunderstorms. Lows 42 to 47. Highs 73 to 78. Northwest winds 5 to 10 mph. .SATURDAY...Mostly cloudy. Scattered showers. Lows 40 to 45. Highs 68 to 73. Northwest winds 5 to 10 mph. .SUNDAY...Mostly clear. Lows 40 to 45. Highs 73 to 78. .MONDAY...Sunny. Highs 77 to 82. $$ WYZ284-152245- Bighorn National Forest- 117 AM MDT Tue Sep 15 2026 .Today... * Sky/weather...........Sunny. * Max temperature.......55-60. * 24 hr trend.........4 degrees warmer. * Min humidity..........28-33 percent. * 24 hr trend.........5 percent wetter. * Wind (20 ft) * At Burgess Jct.......South winds 5 to 15 mph. * Chance of lightning...0 percent. * CWR...................Zero. .TONIGHT... * Sky/weather...........Mostly clear. * Min temperature.......37-42. * 24 hr trend.........12 degrees warmer. * Max humidity..........66-71 percent. * 24 hr trend.........25 percent drier. * Wind (20 ft) * At Burgess Jct.......South winds 5 to 15 mph. * Chance of lightning...1 percent. * CWR...................Zero. .WEDNESDAY... * Sky/weather...........Sunny. * Max temperature.......59-64. * 24 hr trend.........4 degrees warmer. * Min humidity..........27-32 percent. * 24 hr trend.........1 percent drier. * Wind (20 ft) * At Burgess Jct.......Southwest winds 5 to 15 mph in the morning shifting to the north in the afternoon. * Chance of lightning...0 percent. * CWR...................Zero. .Forecast days 3 through 7...... .WEDNESDAY NIGHT...Partly cloudy. Lows 35 to 40. Southeast winds 5 to 15 mph. .THURSDAY...Mostly cloudy. Scattered showers and isolated thunderstorms. Lows 41 to 46. Highs 63 to 68. South winds 5 to 15 mph. .FRIDAY...Mostly cloudy. Numerous showers and isolated thunderstorms. Lows 33 to 38. Highs 59 to 64. West winds 5 to 15 mph. .SATURDAY...Mostly cloudy. Scattered showers. Lows 32 to 37. Highs 55 to 60. West winds 5 to 15 mph. .SUNDAY...Mostly clear. Isolated showers. Lows 34 to 39. Highs 59 to 64. .MONDAY...Sunny. Highs 63 to 68. $$ weather.gov/billings