Routine Fire Wx Fcst (With/Without 6-10 Day Outlook)
Issued by NWS Billings, MT
Issued by NWS Billings, MT
742 FNUS55 KBYZ 252053 FWFBYZ Fire Weather Planning Forecast for SCen and SErn Montana National Weather Service Billings MT 253 PM MDT Fri Sep 25 2026 .DISCUSSION... Prefrontal southeast winds are expected to gust 20-35 mph into tonight for area east of Billings. Wind gusts 30-45 mph are expected with a dry front overnight tonight for areas north and east of Billings. Conditions are expected to be cooler with rising min RHs through Monday. A weather system is expected to move through Sunday into Monday, with most areas likely receiving less than a tenth of an inch of rain with the exception of area mountains and the MT133 where a 30-50% chance exists for a quarter inch of precipitation. A few thunderstorms Sunday cannot be ruled out for these same areas. Conditions look to be dry with seasonable temperatures Tuesday and Wednesday. TS MTZ123-261030- Gallatin National Forest- 253 PM MDT Fri Sep 25 2026 .Tonight... * Sky/weather...........Partly cloudy. * Min temperature.......39-49 at 5000 feet...35-45 at 7000 feet. * 24 hr trend.........7 degrees cooler. * Max humidity..........70-80 percent at 5000 feet...73-83 percent at 7000 feet. * 24 hr trend.........18 percent wetter. * Wind (20 ft) * Slope/valley.........Southwest winds 5 to 15 mph with gusts to around 30 mph in the evening becoming light overnight. * Ridgetop.............Southwest 15 to 30 mph. * Chance of lightning...2 percent. * CWR...................Zero. .SATURDAY... * Sky/weather...........Mostly sunny. * Max temperature.......60-70 at 5000 feet...49-59 at 7000 feet. * 24 hr trend.........14 degrees cooler. * Min humidity..........28-38 percent at 5000 feet...30-40 percent at 7000 feet. * 24 hr trend.........10 percent wetter. * Wind (20 ft) * Slope/valley.........West winds 5 to 10 mph. * Ridgetop.............Southwest 15 to 30 mph. * Chance of lightning...1 percent. * CWR...................Zero. .SATURDAY NIGHT... * Sky/weather...........Mostly cloudy. * Min temperature.......37-47 at 5000 feet...35-45 at 7000 feet. * 24 hr trend.........Unchanged. * Max humidity..........58-68 percent at 5000 feet...61-71 percent at 7000 feet. * 24 hr trend.........13 percent drier. * Wind (20 ft) * Slope/valley.........Light winds. * Ridgetop.............Southwest 5 to 15 mph. * Chance of lightning...0 percent. * CWR...................Zero. .SUNDAY... * Sky/weather...........Mostly cloudy. Scattered rain showers in the morning and afternoon. * Max temperature.......61-71 at 5000 feet...50-60 at 7000 feet. * 24 hr trend.........1 degree warmer. * Min humidity..........39-44 percent. * 24 hr trend.........9 percent wetter. * Wind (20 ft) * Slope/valley.........Southeast winds 5 to 10 mph in the morning shifting to the north in the afternoon. * Ridgetop.............Southwest 10 to 20 mph. * Chance of lightning...10 percent. * CWR...................Less than 10 percent. .Forecast days 3 through 7...... .SUNDAY NIGHT...Mostly cloudy. Isolated showers. Lows 37 to 46. Light winds. .MONDAY...Partly cloudy. Scattered showers. Lows 35 to 44. Highs 61 to 70. Southwest winds 5 to 10 mph. .TUESDAY...Mostly clear. Lows 39 to 49. Highs 65 to 74. Southwest winds 5 to 10 mph. .WEDNESDAY...Partly cloudy. Isolated showers. Lows 37 to 47. Highs 64 to 73. Southwest winds 5 to 10 mph. .THURSDAY...Partly cloudy. Lows 37 to 47. Highs 64 to 74. .FRIDAY...Partly sunny. Scattered showers and isolated snow showers. Highs 57 to 67. $$ MTZ124-261030- Wheatland County/Sweet Grass County- 253 PM MDT Fri Sep 25 2026 .Tonight... * Sky/weather...........Partly cloudy. * Min temperature.......44-49. * 24 hr trend.........3 degrees warmer. * Max humidity..........59-64 percent. * 24 hr trend.........35 percent drier. * Wind (20 ft) * Plains...............Windy overnight. Southwest winds 15 to 25 mph in the evening shifting to the northwest 15 to 30 mph overnight. Gusts up to 35 mph. * Chance of lightning...2 percent. * CWR...................Zero. .SATURDAY... * Sky/weather...........Sunny. * Max temperature.......65-70. * 24 hr trend.........14 degrees cooler. * Min humidity..........21-26 percent. * 24 hr trend.........1 percent wetter. * Wind (20 ft) * Plains...............West winds 15 to 25 mph. Gusts up to 30 mph in the afternoon. * Chance of lightning...0 percent. * CWR...................Zero. .SATURDAY NIGHT... * Sky/weather...........Mostly cloudy. * Min temperature.......39-44. * 24 hr trend.........5 degrees cooler. * Max humidity..........46-51 percent. * 24 hr trend.........13 percent drier. * Wind (20 ft) * Plains...............North winds 5 to 15 mph. * Chance of lightning...1 percent. * CWR...................Zero. .SUNDAY... * Sky/weather...........Mostly cloudy. * Max temperature.......59-64. * 24 hr trend.........6 degrees cooler. * Min humidity..........28-33 percent. * 24 hr trend.........7 percent wetter. * Wind (20 ft) * Plains...............Southeast winds 5 to 10 mph. * Chance of lightning...2 percent. * CWR...................Zero. .Forecast days 3 through 7...... .SUNDAY NIGHT...Mostly cloudy. Isolated showers. Lows 41 to 46. South winds 5 to 10 mph. .MONDAY...Partly cloudy. Lows 39 to 44. Highs 66 to 71. West winds 5 to 10 mph. .TUESDAY...Mostly clear. Lows 43 to 48. Highs 69 to 74. West winds 15 to 25 mph with gusts to around 35 mph. .WEDNESDAY...Partly cloudy. Isolated showers. Lows 40 to 45. Highs 67 to 72. West winds 10 to 20 mph with gusts to around 30 mph. .THURSDAY...Partly cloudy. Lows 41 to 46. Highs 67 to 72. .FRIDAY...Mostly cloudy. Scattered showers. Highs 59 to 64. $$ MTZ125-261030- Stillwater County- 253 PM MDT Fri Sep 25 2026 .Tonight... * Sky/weather...........Mostly clear in the evening then becoming mostly cloudy. * Min temperature.......48-53. * 24 hr trend.........Unchanged. * Max humidity..........65-70 percent. * 24 hr trend.........2 percent drier. * Wind (20 ft) * Plains...............Southwest winds 5 to 15 mph in the evening shifting to the northwest 5 to 10 mph overnight. * Chance of lightning...0 percent. * CWR...................Zero. .SATURDAY... * Sky/weather...........Sunny. * Max temperature.......66-71. * 24 hr trend.........13 degrees cooler. * Min humidity..........32-37 percent. * 24 hr trend.........11 percent wetter. * Wind (20 ft) * Plains...............East winds 5 to 10 mph. * Chance of lightning...1 percent. * CWR...................Zero. .SATURDAY NIGHT... * Sky/weather...........Partly cloudy. * Min temperature.......42-47. * 24 hr trend.........6 degrees cooler. * Max humidity..........56-61 percent. * 24 hr trend.........9 percent drier. * Wind (20 ft) * Plains...............Southeast winds 5 to 10 mph in the evening becoming light overnight. * Chance of lightning...0 percent. * CWR...................Zero. .SUNDAY... * Sky/weather...........Mostly cloudy. Scattered rain showers in the morning. * Max temperature.......59-64. * 24 hr trend.........7 degrees cooler. * Min humidity..........34-39 percent. * 24 hr trend.........2 percent wetter. * Wind (20 ft) * Plains...............Light winds in the morning becoming northeast 5 to 10 mph in the afternoon. * Chance of lightning...7 percent. * CWR...................Less than 10 percent. .Forecast days 3 through 7...... .SUNDAY NIGHT...Mostly cloudy. Isolated showers. Lows 42 to 47. West winds 5 to 10 mph. .MONDAY...Mostly cloudy. Scattered showers and isolated thunderstorms. Lows 40 to 45. Highs 63 to 68. Southwest winds 5 to 10 mph. .TUESDAY...Mostly clear. Lows 44 to 49. Highs 70 to 75. West winds 5 to 10 mph. .WEDNESDAY...Mostly clear. Lows 42 to 47. Highs 68 to 73. West winds 5 to 10 mph. .THURSDAY...Partly cloudy. Lows 42 to 47. Highs 69 to 74. .FRIDAY...Partly sunny. Scattered showers. Highs 61 to 66. $$ MTZ126-261030- Beartooth Ranger District Custer National Forest- 253 PM MDT Fri Sep 25 2026 .Tonight... * Sky/weather...........Mostly clear in the evening then becoming mostly cloudy. * Min temperature.......49-55 at 5000 feet...40-50 at 7000 feet. * 24 hr trend.........3 degrees cooler. * Max humidity..........53-63 percent at 5000 feet...57-67 percent at 7000 feet. * 24 hr trend.........8 percent wetter. * Wind (20 ft) * Slope/valley.........Southwest winds 10 to 20 mph. Gusts up to 40 mph in the evening. * Ridgetop.............West 15 to 30 mph. * Chance of lightning...0 percent. * CWR...................Zero. .SATURDAY... * Sky/weather...........Mostly sunny. * Max temperature.......66-73 at 5000 feet...58-68 at 7000 feet. * 24 hr trend.........8 degrees cooler. * Min humidity..........27-37 percent at 5000 feet...30-40 percent at 7000 feet. * 24 hr trend.........9 percent wetter. * Wind (20 ft) * Slope/valley.........Southeast winds 5 to 10 mph in the morning shifting to the northwest 5 to 15 mph in the afternoon. * Ridgetop.............Southwest 15 to 25 mph. * Chance of lightning...1 percent. * CWR...................Zero. .SATURDAY NIGHT... * Sky/weather...........Mostly cloudy. Isolated rain showers overnight. * Min temperature.......43-51 at 5000 feet...38-47 at 7000 feet. * 24 hr trend.........3 degrees cooler. * Max humidity..........46-56 percent at 5000 feet...52-62 percent at 7000 feet. * 24 hr trend.........1 percent drier. * Wind (20 ft) * Slope/valley.........West winds 5 to 10 mph. * Ridgetop.............Southwest 10 to 20 mph. * Chance of lightning...0 percent. * CWR...................Less than 10 percent. .SUNDAY... * Sky/weather...........Partly sunny with scattered rain showers. * Max temperature.......59-68 at 5000 feet...54-64 at 7000 feet. * 24 hr trend.........4 degrees cooler. * Min humidity..........34-44 percent at 5000 feet...39-49 percent at 7000 feet. * 24 hr trend.........10 percent wetter. * Wind (20 ft) * Slope/valley.........Northwest winds 5 to 10 mph in the morning shifting to the northeast in the afternoon. * Ridgetop.............Southwest 10 to 20 mph. * Chance of lightning...9 percent. * CWR...................Less than 10 percent. .Forecast days 3 through 7...... .SUNDAY NIGHT...Mostly cloudy. Scattered showers. Lows 42 to 50. Northwest winds 5 to 10 mph. .MONDAY...Mostly cloudy. Showers and isolated thunderstorms. Lows 41 to 48. Highs 60 to 65. West winds 5 to 10 mph. .TUESDAY...Mostly clear. Lows 45 to 51. Highs 64 to 71. West winds 5 to 10 mph. .WEDNESDAY...Mostly clear. Lows 44 to 50. Highs 63 to 70. West winds 5 to 10 mph. .THURSDAY...Partly cloudy. Lows 44 to 50. Highs 64 to 71. .FRIDAY...Partly sunny. Scattered showers and snow showers. Highs 58 to 65. $$ MTZ127-261030- Golden Valley County/Musselshell county- 253 PM MDT Fri Sep 25 2026 .Tonight... * Sky/weather...........Mostly clear. * Min temperature.......49-54. * 24 hr trend.........4 degrees cooler. * Max humidity..........56-61 percent. * 24 hr trend.........10 percent wetter. * Wind (20 ft) * Plains...............South winds 5 to 15 mph in the evening shifting to the northwest overnight. * Chance of lightning...2 percent. * CWR...................Zero. .SATURDAY... * Sky/weather...........Sunny. * Max temperature.......63-68. * 24 hr trend.........11 degrees cooler. * Min humidity..........30-35 percent. * 24 hr trend.........2 percent drier. * Wind (20 ft) * Plains...............West winds 5 to 10 mph. * Chance of lightning...0 percent. * CWR...................Zero. .SATURDAY NIGHT... * Sky/weather...........Mostly cloudy. * Min temperature.......44-49. * 24 hr trend.........5 degrees cooler. * Max humidity..........42-47 percent. * 24 hr trend.........14 percent drier. * Wind (20 ft) * Plains...............North winds 5 to 15 mph. * Chance of lightning...0 percent. * CWR...................Zero. .SUNDAY... * Sky/weather...........Mostly cloudy. * Max temperature.......56-61. * 24 hr trend.........7 degrees cooler. * Min humidity..........41-46 percent. * 24 hr trend.........11 percent wetter. * Wind (20 ft) * Plains...............Northeast winds 5 to 15 mph. * Chance of lightning...3 percent. * CWR...................Zero. .Forecast days 3 through 7...... .SUNDAY NIGHT...Mostly cloudy. Scattered showers. Lows 45 to 50. North winds 5 to 10 mph. .MONDAY...Partly cloudy. Lows 44 to 49. Highs 61 to 66. Southwest winds 5 to 10 mph. .TUESDAY...Mostly clear. Lows 47 to 52. Highs 66 to 71. West winds 5 to 15 mph. .WEDNESDAY...Mostly clear. Lows 45 to 50. Highs 63 to 68. Northwest winds 5 to 15 mph. .THURSDAY...Partly cloudy. Lows 46 to 51. Highs 63 to 68. .FRIDAY...Mostly cloudy. Isolated showers. Highs 56 to 61. $$ MTZ128-261030- Yellowstone County- 253 PM MDT Fri Sep 25 2026 .Tonight... * Sky/weather...........Mostly clear. * Min temperature.......50-55. * 24 hr trend.........Unchanged. * Max humidity..........62-67 percent. * 24 hr trend.........5 percent drier. * Wind (20 ft) * Plains...............South winds 5 to 15 mph in the evening shifting to the northwest overnight. * Chance of lightning...1 percent. * CWR...................Zero. .SATURDAY... * Sky/weather...........Sunny. * Max temperature.......68-73. * 24 hr trend.........12 degrees cooler. * Min humidity..........36-41 percent. * 24 hr trend.........6 percent wetter. * Wind (20 ft) * Plains...............Northeast winds 5 to 10 mph. * Chance of lightning...1 percent. * CWR...................Zero. .SATURDAY NIGHT... * Sky/weather...........Mostly cloudy. * Min temperature.......45-50. * 24 hr trend.........5 degrees cooler. * Max humidity..........45-50 percent. * 24 hr trend.........17 percent drier. * Wind (20 ft) * Plains...............Northeast winds 5 to 15 mph. * Chance of lightning...0 percent. * CWR...................Zero. .SUNDAY... * Sky/weather...........Mostly cloudy. Isolated rain showers in the morning. * Max temperature.......61-66. * 24 hr trend.........7 degrees cooler. * Min humidity..........40-45 percent. * 24 hr trend.........4 percent wetter. * Wind (20 ft) * Plains...............Northeast winds 5 to 15 mph. * Chance of lightning...3 percent. * CWR...................Less than 10 percent. .Forecast days 3 through 7...... .SUNDAY NIGHT...Mostly cloudy. Isolated showers. Lows 45 to 50. North winds 5 to 10 mph. .MONDAY...Partly cloudy. Lows 44 to 49. Highs 65 to 70. Southwest winds 5 to 10 mph. .TUESDAY...Mostly clear. Lows 48 to 53. Highs 71 to 76. West winds 5 to 15 mph. .WEDNESDAY...Mostly clear. Lows 46 to 51. Highs 69 to 74. Northwest winds 5 to 10 mph. .THURSDAY...Partly cloudy. Lows 46 to 51. Highs 69 to 74. .FRIDAY...Mostly cloudy. Scattered showers. Highs 62 to 67. $$ MTZ129-261030- Crow Indian Reservation/Bighorn Canyon Rec Area- 253 PM MDT Fri Sep 25 2026 .Tonight... * Sky/weather...........Mostly clear. * Min temperature.......48-54 at 5000 feet...45-50 at 7000 feet. * 24 hr trend.........5 degrees cooler. * Max humidity..........55-65 percent at 5000 feet...54-61 percent at 7000 feet. * 24 hr trend.........14 percent drier. * Wind (20 ft) * Slope/valley.........South winds 5 to 10 mph in the evening shifting to the west 5 to 15 mph overnight. * Ridgetop.............West 15 to 25 mph. * Chance of lightning...0 percent. * CWR...................Zero. .SATURDAY... * Sky/weather...........Sunny. * Max temperature.......64-74 at 5000 feet...59-65 at 7000 feet. * 24 hr trend.........10 degrees cooler. * Min humidity..........31-36 percent. * 24 hr trend.........2 percent wetter. * Wind (20 ft) * Slope/valley.........North winds 5 to 10 mph in the morning shifting to the east 5 to 15 mph in the afternoon. * Ridgetop.............Southwest 20 to 35 mph. * Chance of lightning...0 percent. * CWR...................Zero. .SATURDAY NIGHT... * Sky/weather...........Partly cloudy. * Min temperature.......43-51 at 5000 feet...42-47 at 7000 feet. * 24 hr trend.........5 degrees cooler. * Max humidity..........51-61 percent at 5000 feet...49-59 percent at 7000 feet. * 24 hr trend.........7 percent drier. * Wind (20 ft) * Slope/valley.........East winds 5 to 10 mph. * Ridgetop.............Southwest 15 to 30 mph. * Chance of lightning...0 percent. * CWR...................Zero. .SUNDAY... * Sky/weather...........Partly sunny. * Max temperature.......58-68 at 5000 feet...54-61 at 7000 feet. * 24 hr trend.........3 degrees cooler. * Min humidity..........34-44 percent at 5000 feet...40-47 percent at 7000 feet. * 24 hr trend.........9 percent wetter. * Wind (20 ft) * Slope/valley.........East winds 5 to 10 mph. * Ridgetop.............Southwest 15 to 25 mph. * Chance of lightning...6 percent. * CWR...................Zero. .Forecast days 3 through 7...... .SUNDAY NIGHT...Mostly cloudy. Isolated showers. Lows 43 to 50. Northwest winds 5 to 10 mph. .MONDAY...Mostly cloudy. Scattered showers. Lows 43 to 49. Highs 57 to 67. Northwest winds 5 to 10 mph. .TUESDAY...Mostly clear. Lows 47 to 52. Highs 63 to 73. Southwest winds 5 to 10 mph. .WEDNESDAY...Mostly clear. Lows 45 to 50. Highs 61 to 71. North winds 5 to 10 mph. .THURSDAY...Partly cloudy. Lows 45 to 51. Highs 62 to 72. .FRIDAY...Partly sunny. Isolated showers. Highs 56 to 66. $$ MTZ130-261030- Northern Rosebud/Northern Treasure Counties- 253 PM MDT Fri Sep 25 2026 .Tonight... * Sky/weather...........Partly cloudy. * Min temperature.......51-56. * 24 hr trend.........3 degrees cooler. * Max humidity..........58-63 percent. * 24 hr trend.........12 percent drier. * Wind (20 ft) * Plains...............Southeast winds 5 to 15 mph in the evening shifting to the northwest overnight. * Chance of lightning...0 percent. * CWR...................Zero. .SATURDAY... * Sky/weather...........Sunny. * Max temperature.......68-73. * 24 hr trend.........12 degrees cooler. * Min humidity..........29-34 percent. * 24 hr trend.........2 percent drier. * Wind (20 ft) * Plains...............Northwest winds 5 to 10 mph. * Chance of lightning...0 percent. * CWR...................Zero. .SATURDAY NIGHT... * Sky/weather...........Partly cloudy. * Min temperature.......44-49. * 24 hr trend.........7 degrees cooler. * Max humidity..........46-51 percent. * 24 hr trend.........12 percent drier. * Wind (20 ft) * Plains...............Northeast winds 5 to 10 mph. * Chance of lightning...0 percent. * CWR...................Zero. .SUNDAY... * Sky/weather...........Mostly cloudy. * Max temperature.......65-70. * 24 hr trend.........3 degrees cooler. * Min humidity..........35-40 percent. * 24 hr trend.........6 percent wetter. * Wind (20 ft) * Plains...............East winds 5 to 15 mph. * Chance of lightning...3 percent. * CWR...................Zero. .Forecast days 3 through 7...... .SUNDAY NIGHT...Mostly cloudy. Scattered showers. Lows 46 to 51. Northeast winds 5 to 10 mph. .MONDAY...Mostly cloudy. Isolated showers. Lows 44 to 49. Highs 65 to 70. North winds 5 to 10 mph. .TUESDAY...Mostly clear. Lows 47 to 52. Highs 71 to 76. West winds 5 to 10 mph. .WEDNESDAY...Mostly clear. Lows 45 to 50. Highs 69 to 74. Northwest winds 5 to 10 mph. .THURSDAY...Partly cloudy. Lows 46 to 51. Highs 69 to 74. .FRIDAY...Partly sunny. Highs 63 to 68. $$ MTZ131-261030- Northern Cheyenne Indian Reservation/Ashland Ranger District Custer Natl Forest- 253 PM MDT Fri Sep 25 2026 .Tonight... * Sky/weather...........Partly cloudy. * Min temperature.......48-53. * 24 hr trend.........4 degrees cooler. * Max humidity..........54-59 percent. * 24 hr trend.........21 percent drier. * Wind (20 ft) * Slope/valley.........South winds 5 to 15 mph in the evening shifting to the west overnight. * Ridgetop.............South becoming northwest 15 to 30 mph. * Chance of lightning...0 percent. * CWR...................Zero. .SATURDAY... * Sky/weather...........Sunny. * Max temperature.......70-75. * 24 hr trend.........8 degrees cooler. * Min humidity..........24-29 percent. * 24 hr trend.........7 percent drier. * Wind (20 ft) * Slope/valley.........Northeast winds 5 to 10 mph. * Ridgetop.............North becoming east 10 to 20 mph. * Chance of lightning...0 percent. * CWR...................Zero. .SATURDAY NIGHT... * Sky/weather...........Partly cloudy. * Min temperature.......42-47. * 24 hr trend.........6 degrees cooler. * Max humidity..........55-60 percent. * 24 hr trend.........1 percent wetter. * Wind (20 ft) * Slope/valley.........Northeast winds 5 to 10 mph. * Ridgetop.............East 10 to 20 mph. * Chance of lightning...0 percent. * CWR...................Zero. .SUNDAY... * Sky/weather...........Partly sunny. * Max temperature.......69-74. * 24 hr trend.........1 degree cooler. * Min humidity..........36-41 percent. * 24 hr trend.........12 percent wetter. * Wind (20 ft) * Slope/valley.........Northeast winds 5 to 10 mph. * Ridgetop.............East 5 to 10 mph. * Chance of lightning...7 percent. * CWR...................Zero. .Forecast days 3 through 7...... .SUNDAY NIGHT...Mostly cloudy. Scattered showers and isolated thunderstorms. Lows 46 to 51. North winds 5 to 10 mph. .MONDAY...Mostly cloudy. Scattered showers. Lows 42 to 47. Highs 65 to 70. North winds 5 to 10 mph. .TUESDAY...Mostly clear. Lows 45 to 50. Highs 71 to 76. Southwest winds 5 to 10 mph. .WEDNESDAY...Mostly clear. Lows 43 to 48. Highs 70 to 75. North winds 5 to 10 mph. .THURSDAY...Partly cloudy. Lows 44 to 49. Highs 71 to 76. .FRIDAY...Partly sunny. Highs 66 to 71. $$ MTZ132-261030- Custer County- 253 PM MDT Fri Sep 25 2026 .Tonight... * Sky/weather...........Mostly cloudy. * Min temperature.......53-58. * 24 hr trend.........Unchanged. * Max humidity..........71-76 percent. * 24 hr trend.........11 percent wetter. * Wind (20 ft) * Plains...............South winds 10 to 20 mph. Gusts up to 30 mph in the evening. * Chance of lightning...0 percent. * CWR...................Zero. .SATURDAY... * Sky/weather...........Sunny. * Max temperature.......66-71. * 24 hr trend.........8 degrees cooler. * Min humidity..........24-29 percent. * 24 hr trend.........5 percent drier. * Wind (20 ft) * Plains...............Northwest winds 5 to 15 mph. * Chance of lightning...0 percent. * CWR...................Zero. .SATURDAY NIGHT... * Sky/weather...........Partly cloudy. * Min temperature.......45-50. * 24 hr trend.........8 degrees cooler. * Max humidity..........46-51 percent. * 24 hr trend.........25 percent drier. * Wind (20 ft) * Plains...............Northeast winds 5 to 10 mph. * Chance of lightning...0 percent. * CWR...................Zero. .SUNDAY... * Sky/weather...........Mostly sunny in the morning then becoming mostly cloudy. * Max temperature.......65-70. * 24 hr trend.........1 degree cooler. * Min humidity..........34-39 percent. * 24 hr trend.........10 percent wetter. * Wind (20 ft) * Plains...............East winds 5 to 15 mph. * Chance of lightning...8 percent. * CWR...................Zero. .Forecast days 3 through 7...... .SUNDAY NIGHT...Mostly cloudy. Numerous showers and scattered thunderstorms. Lows 49 to 54. East winds 5 to 15 mph. .MONDAY...Mostly cloudy. Scattered showers. Lows 44 to 49. Highs 62 to 67. North winds 5 to 10 mph. .TUESDAY...Mostly clear. Lows 47 to 52. Highs 68 to 73. Southwest winds 5 to 10 mph. .WEDNESDAY...Mostly clear. Lows 45 to 50. Highs 66 to 71. West winds 5 to 15 mph. .THURSDAY...Partly cloudy. Lows 46 to 51. Highs 66 to 71. .FRIDAY...Partly sunny. Highs 62 to 67. $$ MTZ133-261030- Sioux Ranger District Custer National Forest- 253 PM MDT Fri Sep 25 2026 .Tonight... * Sky/weather...........Mostly cloudy. * Min temperature.......53-58. * 24 hr trend.........4 degrees warmer. * Max humidity..........93-98 percent. * 24 hr trend.........15 percent wetter. * Wind (20 ft) * Plains...............Southeast winds 15 to 25 mph with gusts to around 35 mph. * Chance of lightning...2 percent. * CWR...................Zero. .SATURDAY... * Sky/weather...........Sunny. * Max temperature.......70-75. * 24 hr trend.........1 degree cooler. * Min humidity..........24-29 percent. * 24 hr trend.........19 percent drier. * Wind (20 ft) * Plains...............Northwest winds 10 to 20 mph. Gusts up to 30 mph in the morning. * Chance of lightning...0 percent. * CWR...................Zero. .SATURDAY NIGHT... * Sky/weather...........Partly cloudy. * Min temperature.......46-51. * 24 hr trend.........7 degrees cooler. * Max humidity..........59-64 percent. * 24 hr trend.........34 percent drier. * Wind (20 ft) * Plains...............Northeast winds 5 to 10 mph. * Chance of lightning...0 percent. * CWR...................Zero. .SUNDAY... * Sky/weather...........Partly sunny. Isolated rain showers in the afternoon. * Max temperature.......67-72. * 24 hr trend.........3 degrees cooler. * Min humidity..........46-51 percent. * 24 hr trend.........22 percent wetter. * Wind (20 ft) * Plains...............East winds 5 to 15 mph in the morning increasing to 15 to 25 mph with gusts to around 30 mph in the afternoon. * Chance of lightning...9 percent. * CWR...................Less than 10 percent. .Forecast days 3 through 7...... .SUNDAY NIGHT...Cloudy. Showers and isolated thunderstorms. Lows 51 to 56. East winds 10 to 20 mph with gusts to around 30 mph. .MONDAY...Mostly cloudy. Scattered showers. Lows 46 to 51. Highs 65 to 70. Northwest winds 5 to 15 mph. .TUESDAY...Mostly clear. Lows 47 to 52. Highs 69 to 74. Southwest winds 5 to 10 mph. .WEDNESDAY...Mostly clear. Lows 46 to 51. Highs 68 to 73. Northwest winds 5 to 15 mph with gusts to around 30 mph. .THURSDAY...Partly cloudy. Lows 46 to 51. Highs 67 to 72. .FRIDAY...Partly sunny. Highs 65 to 70. $$ WYZ274-261030- Sheridan County- 253 PM MDT Fri Sep 25 2026 .Tonight... * Sky/weather...........Mostly clear. * Min temperature.......46-51. * 24 hr trend.........Unchanged. * Max humidity..........70-75 percent. * 24 hr trend.........8 percent drier. * Wind (20 ft) * Slope/valley.........Southwest winds 5 to 15 mph. * Ridgetop.............West 15 to 25 mph. * Chance of lightning...0 percent. * CWR...................Zero. .SATURDAY... * Sky/weather...........Sunny. * Max temperature.......71-76. * 24 hr trend.........7 degrees cooler. * Min humidity..........29-34 percent. * 24 hr trend.........1 percent wetter. * Wind (20 ft) * Slope/valley.........Northwest winds 5 to 10 mph in the morning shifting to the east in the afternoon. * Ridgetop.............Southwest 15 to 30 mph. * Chance of lightning...0 percent. * CWR...................Zero. .SATURDAY NIGHT... * Sky/weather...........Mostly clear. * Min temperature.......41-46. * 24 hr trend.........5 degrees cooler. * Max humidity..........76-81 percent. * 24 hr trend.........6 percent wetter. * Wind (20 ft) * Slope/valley.........North winds 5 to 10 mph in the evening becoming light overnight. * Ridgetop.............Southwest 15 to 25 mph. * Chance of lightning...0 percent. * CWR...................Zero. .SUNDAY... * Sky/weather...........Mostly sunny. * Max temperature.......66-71. * 24 hr trend.........5 degrees cooler. * Min humidity..........37-42 percent. * 24 hr trend.........8 percent wetter. * Wind (20 ft) * Slope/valley.........Light winds in the morning becoming northeast 5 to 10 mph in the afternoon. * Ridgetop.............Southwest 15 to 25 mph. * Chance of lightning...6 percent. * CWR...................Zero. .Forecast days 3 through 7...... .SUNDAY NIGHT...Mostly cloudy. Isolated showers. Lows 43 to 48. Northwest winds 5 to 10 mph. .MONDAY...Mostly cloudy. Scattered showers and isolated thunderstorms. Lows 39 to 44. Highs 63 to 68. Northwest winds 5 to 10 mph. .TUESDAY...Mostly clear. Lows 42 to 47. Highs 69 to 74. Northwest winds 5 to 10 mph. .WEDNESDAY...Mostly clear. Lows 40 to 45. Highs 69 to 74. West winds 5 to 10 mph. .THURSDAY...Partly cloudy. Lows 41 to 46. Highs 70 to 75. .FRIDAY...Mostly sunny. Highs 65 to 70. $$ WYZ284-261030- Bighorn National Forest- 253 PM MDT Fri Sep 25 2026 .Tonight... * Sky/weather...........Mostly clear. * Min temperature.......39-44. * 24 hr trend.........6 degrees warmer. * Max humidity..........65-70 percent. * 24 hr trend.........15 percent drier. * Wind (20 ft) * At Burgess Jct.......Southwest winds 10 to 20 mph with gusts to around 30 mph. * Chance of lightning...0 percent. * CWR...................Zero. .SATURDAY... * Sky/weather...........Sunny. * Max temperature.......60-65. * 24 hr trend.........3 degrees cooler. * Min humidity..........27-32 percent. * 24 hr trend.........1 percent wetter. * Wind (20 ft) * At Burgess Jct.......Southwest winds 10 to 20 mph with gusts to around 30 mph. * Chance of lightning...1 percent. * CWR...................Zero. .SATURDAY NIGHT... * Sky/weather...........Mostly clear. * Min temperature.......35-40. * 24 hr trend.........4 degrees cooler. * Max humidity..........68-73 percent. * 24 hr trend.........3 percent wetter. * Wind (20 ft) * At Burgess Jct.......Southwest winds 5 to 10 mph. * Chance of lightning...0 percent. * CWR...................Zero. .SUNDAY... * Sky/weather...........Mostly sunny. Isolated rain showers in the morning. * Max temperature.......58-63. * 24 hr trend.........2 degrees cooler. * Min humidity..........34-39 percent. * 24 hr trend.........7 percent wetter. * Wind (20 ft) * At Burgess Jct.......South winds 5 to 15 mph. * Chance of lightning...6 percent. * CWR...................Less than 10 percent. .Forecast days 3 through 7...... .SUNDAY NIGHT...Mostly cloudy. Scattered showers. Lows 35 to 40. Southwest winds 5 to 10 mph. .MONDAY...Mostly cloudy. Numerous showers and isolated thunderstorms. Lows 31 to 36. Highs 52 to 57. West winds 5 to 10 mph. .TUESDAY...Mostly clear. Lows 34 to 39. Highs 56 to 61. West winds 5 to 15 mph. .WEDNESDAY...Mostly clear. Lows 33 to 38. Highs 56 to 61. West winds 5 to 15 mph. .THURSDAY...Partly cloudy. Lows 34 to 39. Highs 58 to 63. .FRIDAY...Mostly sunny. Isolated showers. Highs 52 to 57. $$ weather.gov/billings