Routine Fire Wx Fcst (With/Without 6-10 Day Outlook)
Issued by NWS Billings, MT
Issued by NWS Billings, MT
193 FNUS55 KBYZ 132042 FWFBYZ Fire Weather Planning Forecast for SCen and SErn Montana National Weather Service Billings MT 242 PM MDT Wed Aug 13 2025 .DISCUSSION... Isolated thunderstorms late this afternoon and evening have the potential to produce strong/erratic wind gusts and only spotty rainfall. Humidity recoveries tonight will be generally poor. Late tonight and early Thursday, a dry cold front will drop through the region, bringing cooler temps and higher humidities tomorrow, along with a shift to N-NE winds. Typical summer conditions are expected through the weekend with temps in the upper 80s to mid 90s, min RHs in the upper teens and 20s, and low chances of mainly afternoon and evening thunderstorms each day. JKL MTZ123-141015- Gallatin National Forest- 242 PM MDT Wed Aug 13 2025 .Tonight... * Sky/weather...........Mostly clear. * Min temperature.......52-62 at 5000 feet...46-56 at 7000 feet. * 24 hr trend.........3 degrees cooler. * Max humidity..........44-49 percent. * 24 hr trend.........5 percent drier. * Wind (20 ft) * Slope/valley.........Northwest winds 5 to 15 mph in the evening shifting to the southwest 5 to 10 mph overnight. * Ridgetop.............West 10 to 20 mph. * Chance of lightning...4 percent. * CWR...................Zero. .THURSDAY... * Sky/weather...........Sunny. * Max temperature.......82-92 at 5000 feet...70-80 at 7000 feet. * 24 hr trend.........2 degrees cooler. * Min humidity..........13-18 percent. * 24 hr trend.........Unchanged. * Wind (20 ft) * Slope/valley.........Southwest winds 5 to 15 mph. * Ridgetop.............West 15 to 30 mph. * Chance of lightning...8 percent. * CWR...................Zero. .THURSDAY NIGHT... * Sky/weather...........Mostly clear. * Min temperature.......47-57 at 5000 feet...45-55 at 7000 feet. * 24 hr trend.........2 degrees cooler. * Max humidity..........65-75 percent at 5000 feet...59-69 percent at 7000 feet. * 24 hr trend.........5 percent wetter. * Wind (20 ft) * Slope/valley.........South winds 5 to 10 mph. * Ridgetop.............West 5 to 15 mph. * Chance of lightning...3 percent. * CWR...................Zero. .FRIDAY... * Sky/weather...........Sunny. * Max temperature.......82-92 at 5000 feet...69-79 at 7000 feet. * 24 hr trend.........1 degree cooler. * Min humidity..........12-22 percent at 5000 feet...15-25 percent at 7000 feet. * 24 hr trend.........Unchanged. * Wind (20 ft) * Slope/valley.........Southwest winds 5 to 10 mph. * Ridgetop.............West 15 to 30 mph. * Chance of lightning...3 percent. * CWR...................Zero. .Forecast days 3 through 7...... .FRIDAY NIGHT...Partly cloudy. Lows 51 to 61. Southwest winds 5 to 10 mph. .SATURDAY...Mostly cloudy. Isolated showers and thunderstorms. Lows 51 to 61. Highs 83 to 90. Southwest winds 5 to 10 mph. .SUNDAY...Partly cloudy. Scattered showers and thunderstorms. Lows 48 to 58. Highs 79 to 89. South winds 5 to 10 mph. .MONDAY...Mostly clear. Lows 50 to 60. Highs 82 to 91. Southwest winds 5 to 10 mph. .TUESDAY...Mostly clear. Lows 52 to 62. Highs 85 to 94. .WEDNESDAY...Sunny. Highs 84 to 94. $$ MTZ124-141015- Wheatland County/Sweet Grass County- 242 PM MDT Wed Aug 13 2025 .Tonight... * Sky/weather...........Mostly clear. * Min temperature.......54-59. * 24 hr trend.........1 degree cooler. * Max humidity..........49-54 percent. * 24 hr trend.........16 percent drier. * Wind (20 ft) * Plains...............West winds 10 to 20 mph. * Chance of lightning...3 percent. * CWR...................Zero. .THURSDAY... * Sky/weather...........Sunny. * Max temperature.......84-89. * 24 hr trend.........6 degrees cooler. * Min humidity..........18-23 percent. * 24 hr trend.........3 percent wetter. * Wind (20 ft) * Plains...............Northwest winds 10 to 20 mph. * Chance of lightning...7 percent. * CWR...................Zero. .THURSDAY NIGHT... * Sky/weather...........Mostly clear. * Min temperature.......50-55. * 24 hr trend.........4 degrees cooler. * Max humidity..........82-87 percent. * 24 hr trend.........33 percent wetter. * Wind (20 ft) * Plains...............Northeast winds 5 to 15 mph in the evening shifting to the northwest 5 to 10 mph overnight. * Chance of lightning...4 percent. * CWR...................Zero. .FRIDAY... * Sky/weather...........Sunny. * Max temperature.......84-89. * 24 hr trend.........Unchanged. * Min humidity..........21-26 percent. * 24 hr trend.........3 percent wetter. * Wind (20 ft) * Plains...............South winds 5 to 15 mph. * Chance of lightning...5 percent. * CWR...................Zero. .Forecast days 3 through 7...... .FRIDAY NIGHT...Mostly clear. Lows 52 to 57. Northwest winds 5 to 15 mph. .SATURDAY...Mostly cloudy. Isolated showers and thunderstorms. Lows 53 to 58. Highs 87 to 92. West winds 5 to 15 mph. .SUNDAY...Mostly cloudy. Scattered showers and thunderstorms. Lows 52 to 57. Highs 82 to 87. Northeast winds 5 to 15 mph. .MONDAY...Mostly clear. Lows 52 to 57. Highs 85 to 90. Southeast winds 5 to 15 mph. .TUESDAY...Mostly clear. Lows 54 to 59. Highs 88 to 93. .WEDNESDAY...Sunny. Highs 88 to 93. $$ MTZ125-141015- Stillwater County- 242 PM MDT Wed Aug 13 2025 .Tonight... * Sky/weather...........Partly cloudy. Isolated rain showers in the evening. * Min temperature.......57-62. * 24 hr trend.........5 degrees cooler. * Max humidity..........46-51 percent. * 24 hr trend.........15 percent drier. * Wind (20 ft) * Plains...............West winds 5 to 15 mph. * Chance of lightning...9 percent. * CWR...................Zero. .THURSDAY... * Sky/weather...........Sunny. * Max temperature.......86-91. * 24 hr trend.........4 degrees cooler. * Min humidity..........18-23 percent. * 24 hr trend.........2 percent wetter. * Wind (20 ft) * Plains...............East winds 5 to 10 mph. * Chance of lightning...11 percent. * CWR...................Zero. .THURSDAY NIGHT... * Sky/weather...........Mostly cloudy with isolated rain showers in the evening, then mostly clear overnight. * Min temperature.......51-56. * 24 hr trend.........6 degrees cooler. * Max humidity..........75-80 percent. * 24 hr trend.........29 percent wetter. * Wind (20 ft) * Plains...............South winds 5 to 15 mph in the evening shifting to the west 5 to 10 mph overnight. * Chance of lightning...7 percent. * CWR...................Zero. .FRIDAY... * Sky/weather...........Sunny. * Max temperature.......85-90. * 24 hr trend.........1 degree cooler. * Min humidity..........21-26 percent. * 24 hr trend.........3 percent wetter. * Wind (20 ft) * Plains...............Northwest winds 5 to 10 mph in the morning shifting to the east in the afternoon. * Chance of lightning...6 percent. * CWR...................Zero. .Forecast days 3 through 7...... .FRIDAY NIGHT...Mostly clear. Lows 56 to 61. South winds 5 to 10 mph. .SATURDAY...Partly cloudy. Isolated showers and thunderstorms. Lows 56 to 61. Highs 87 to 92. Southwest winds 5 to 10 mph. .SUNDAY...Partly cloudy. Scattered showers and thunderstorms. Lows 54 to 59. Highs 85 to 90. Southeast winds 5 to 10 mph. .MONDAY...Mostly clear. Isolated showers and thunderstorms. Lows 55 to 60. Highs 87 to 92. Southeast winds 5 to 10 mph. .TUESDAY...Mostly clear. Lows 58 to 63. Highs 90 to 95. .WEDNESDAY...Sunny. Highs 90 to 95. $$ MTZ126-141015- Beartooth Ranger District Custer National Forest- 242 PM MDT Wed Aug 13 2025 .Tonight... * Sky/weather...........Mostly cloudy with isolated rain showers in the evening, then mostly clear overnight. * Min temperature.......59-65 at 5000 feet...51-61 at 7000 feet. * 24 hr trend.........2 degrees cooler. * Max humidity..........39-44 percent. * 24 hr trend.........3 percent drier. * Wind (20 ft) * Slope/valley.........West winds 5 to 15 mph. * Ridgetop.............Northwest 5 to 15 mph. * Chance of lightning...13 percent. * CWR...................Zero. .THURSDAY... * Sky/weather...........Sunny. Isolated rain showers in the afternoon. * Max temperature.......82-90 at 5000 feet...73-83 at 7000 feet. * 24 hr trend.........1 degree cooler. * Min humidity..........17-25 percent at 5000 feet...19-29 percent at 7000 feet. * 24 hr trend.........1 percent drier. * Wind (20 ft) * Slope/valley.........Northwest winds 5 to 15 mph. * Ridgetop.............West 5 to 15 mph. * Chance of lightning...13 percent. * CWR...................Zero. .THURSDAY NIGHT... * Sky/weather...........Mostly cloudy with isolated rain showers in the evening, then mostly clear overnight. * Min temperature.......52-62 at 5000 feet...47-57 at 7000 feet. * 24 hr trend.........3 degrees cooler. * Max humidity..........59-69 percent at 5000 feet...51-61 percent at 7000 feet. * 24 hr trend.........7 percent wetter. * Wind (20 ft) * Slope/valley.........West winds 5 to 15 mph. * Ridgetop.............Southwest 5 to 15 mph. * Chance of lightning...7 percent. * CWR...................Zero. .FRIDAY... * Sky/weather...........Mostly sunny. * Max temperature.......82-89 at 5000 feet...72-82 at 7000 feet. * 24 hr trend.........1 degree cooler. * Min humidity..........19-24 percent. * 24 hr trend.........2 percent drier. * Wind (20 ft) * Slope/valley.........Northwest winds 5 to 15 mph. * Ridgetop.............West 15 to 25 mph. * Chance of lightning...13 percent. * CWR...................Zero. .Forecast days 3 through 7...... .FRIDAY NIGHT...Partly cloudy. Lows 57 to 65. West winds 5 to 15 mph. .SATURDAY...Mostly cloudy. Isolated showers and thunderstorms. Lows 58 to 63. Highs 83 to 92. Southwest winds 5 to 15 mph. .SUNDAY...Mostly cloudy. Scattered showers and thunderstorms. Lows 54 to 62. Highs 81 to 88. Northwest winds 5 to 10 mph. .MONDAY...Mostly clear. Isolated showers and thunderstorms. Lows 57 to 65. Highs 82 to 90. Southwest winds 5 to 15 mph. .TUESDAY...Mostly clear. Lows 58 to 66. Highs 85 to 94. .WEDNESDAY...Sunny. Highs 85 to 94. $$ MTZ127-141015- Golden Valley County/Musselshell county- 242 PM MDT Wed Aug 13 2025 .Tonight... * Sky/weather...........Partly cloudy. * Min temperature.......64-69. * 24 hr trend.........3 degrees cooler. * Max humidity..........36-41 percent. * 24 hr trend.........17 percent drier. * Wind (20 ft) * Plains...............West winds 5 to 10 mph. * Chance of lightning...3 percent. * CWR...................Zero. .THURSDAY... * Sky/weather...........Sunny. * Max temperature.......80-85. * 24 hr trend.........10 degrees cooler. * Min humidity..........25-30 percent. * 24 hr trend.........9 percent wetter. * Wind (20 ft) * Plains...............Northwest winds 5 to 15 mph. * Chance of lightning...3 percent. * CWR...................Zero. .THURSDAY NIGHT... * Sky/weather...........Partly cloudy. * Min temperature.......56-61. * 24 hr trend.........8 degrees cooler. * Max humidity..........66-71 percent. * 24 hr trend.........30 percent wetter. * Wind (20 ft) * Plains...............Northeast winds 5 to 15 mph. * Chance of lightning...4 percent. * CWR...................Zero. .FRIDAY... * Sky/weather...........Sunny. * Max temperature.......83-88. * 24 hr trend.........3 degrees warmer. * Min humidity..........26-31 percent. * 24 hr trend.........1 percent wetter. * Wind (20 ft) * Plains...............East winds 5 to 10 mph. * Chance of lightning...1 percent. * CWR...................Zero. .Forecast days 3 through 7...... .FRIDAY NIGHT...Mostly clear. Lows 60 to 65. East winds 5 to 10 mph. .SATURDAY...Partly cloudy. Lows 61 to 66. Highs 87 to 92. North winds 5 to 10 mph. .SUNDAY...Partly cloudy. Isolated showers and thunderstorms. Lows 60 to 65. Highs 82 to 87. Northeast winds 5 to 10 mph. .MONDAY...Mostly clear. Lows 60 to 65. Highs 85 to 90. East winds 5 to 10 mph. .TUESDAY...Mostly clear. Lows 61 to 66. Highs 87 to 92. .WEDNESDAY...Sunny. Highs 88 to 93. $$ MTZ128-141015- Yellowstone County- 242 PM MDT Wed Aug 13 2025 .Tonight... * Sky/weather...........Partly cloudy. Isolated rain showers in the evening. * Min temperature.......62-67. * 24 hr trend.........Unchanged. * Max humidity..........45-50 percent. * 24 hr trend.........26 percent drier. * Wind (20 ft) * Plains...............West winds 5 to 15 mph. * Chance of lightning...3 percent. * CWR...................Zero. .THURSDAY... * Sky/weather...........Sunny. * Max temperature.......88-93. * 24 hr trend.........7 degrees cooler. * Min humidity..........19-24 percent. * 24 hr trend.........5 percent wetter. * Wind (20 ft) * Plains...............Northwest winds 5 to 15 mph. * Chance of lightning...4 percent. * CWR...................Zero. .THURSDAY NIGHT... * Sky/weather...........Partly cloudy. Isolated rain showers in the evening. * Min temperature.......58-63. * 24 hr trend.........4 degrees cooler. * Max humidity..........69-74 percent. * 24 hr trend.........24 percent wetter. * Wind (20 ft) * Plains...............Northeast winds 5 to 15 mph. * Chance of lightning...3 percent. * CWR...................Zero. .FRIDAY... * Sky/weather...........Sunny. * Max temperature.......88-93. * 24 hr trend.........Unchanged. * Min humidity..........21-26 percent. * 24 hr trend.........2 percent wetter. * Wind (20 ft) * Plains...............Northeast winds 5 to 10 mph. * Chance of lightning...1 percent. * CWR...................Zero. .Forecast days 3 through 7...... .FRIDAY NIGHT...Mostly clear. Lows 60 to 65. East winds 5 to 10 mph. .SATURDAY...Partly cloudy. Lows 62 to 67. Highs 92 to 97. West winds 5 to 15 mph. .SUNDAY...Partly cloudy. Isolated showers and thunderstorms. Lows 59 to 64. Highs 88 to 93. Northeast winds 5 to 15 mph. .MONDAY...Mostly clear. Isolated showers and thunderstorms. Lows 60 to 65. Highs 90 to 95. Northeast winds 5 to 10 mph. .TUESDAY...Mostly clear. Lows 61 to 66. Highs 93 to 98. .WEDNESDAY...Sunny. Highs 93 to 98. $$ MTZ129-141015- Crow Indian Reservation/Bighorn Canyon Rec Area- 242 PM MDT Wed Aug 13 2025 .Tonight... * Sky/weather...........Partly cloudy. Isolated rain showers in the evening. * Min temperature.......61-67 at 5000 feet...57-62 at 7000 feet. * 24 hr trend.........Unchanged. * Max humidity..........40-50 percent at 5000 feet...37-45 percent at 7000 feet. * 24 hr trend.........19 percent drier. * Wind (20 ft) * Slope/valley.........Southwest winds 5 to 15 mph. * Ridgetop.............West 10 to 20 mph. * Chance of lightning...5 percent. * CWR...................Zero. .THURSDAY... * Sky/weather...........Sunny. * Max temperature.......80-90 at 5000 feet...72-79 at 7000 feet. * 24 hr trend.........3 degrees cooler. * Min humidity..........16-26 percent at 5000 feet...24-33 percent at 7000 feet. * 24 hr trend.........4 percent wetter. * Wind (20 ft) * Slope/valley.........Northwest winds 5 to 15 mph. * Ridgetop.............West 10 to 20 mph. * Chance of lightning...3 percent. * CWR...................Zero. .THURSDAY NIGHT... * Sky/weather...........Partly cloudy. Isolated rain showers in the evening. * Min temperature.......57-62. * 24 hr trend.........5 degrees cooler. * Max humidity..........56-66 percent at 5000 feet...47-57 percent at 7000 feet. * 24 hr trend.........20 percent wetter. * Wind (20 ft) * Slope/valley.........East winds 5 to 15 mph. * Ridgetop.............South 5 to 15 mph. * Chance of lightning...8 percent. * CWR...................Zero. .FRIDAY... * Sky/weather...........Sunny. * Max temperature.......79-89 at 5000 feet...72-80 at 7000 feet. * 24 hr trend.........Unchanged. * Min humidity..........17-27 percent at 5000 feet...22-28 percent at 7000 feet. * 24 hr trend.........2 percent wetter. * Wind (20 ft) * Slope/valley.........North winds 5 to 10 mph. * Ridgetop.............West 15 to 30 mph. * Chance of lightning...2 percent. * CWR...................Zero. .Forecast days 3 through 7...... .FRIDAY NIGHT...Partly cloudy. Lows 59 to 67. Southeast winds 5 to 15 mph. .SATURDAY...Partly cloudy. Lows 60 to 65. Highs 82 to 92. South winds 5 to 15 mph. .SUNDAY...Partly cloudy. Isolated showers and thunderstorms. Lows 57 to 63. Highs 79 to 89. Northeast winds 5 to 15 mph. .MONDAY...Mostly clear. Lows 58 to 66. Highs 81 to 91. Southeast winds 5 to 15 mph. .TUESDAY...Mostly clear. Lows 60 to 68. Highs 84 to 94. .WEDNESDAY...Sunny. Highs 84 to 94. $$ MTZ130-141015- Northern Rosebud/Northern Treasure Counties- 242 PM MDT Wed Aug 13 2025 .Tonight... * Sky/weather...........Mostly clear. * Min temperature.......62-67. * 24 hr trend.........2 degrees cooler. * Max humidity..........47-52 percent. * 24 hr trend.........14 percent drier. * Wind (20 ft) * Plains...............West winds 5 to 10 mph. * Chance of lightning...2 percent. * CWR...................Zero. .THURSDAY... * Sky/weather...........Sunny. * Max temperature.......85-90. * 24 hr trend.........9 degrees cooler. * Min humidity..........24-29 percent. * 24 hr trend.........10 percent wetter. * Wind (20 ft) * Plains...............Northwest winds 5 to 15 mph. * Chance of lightning...0 percent. * CWR...................Zero. .THURSDAY NIGHT... * Sky/weather...........Partly cloudy. * Min temperature.......60-65. * 24 hr trend.........2 degrees cooler. * Max humidity..........69-74 percent. * 24 hr trend.........22 percent wetter. * Wind (20 ft) * Plains...............Northeast winds 5 to 15 mph. * Chance of lightning...9 percent. * CWR...................Zero. .FRIDAY... * Sky/weather...........Sunny. * Max temperature.......88-93. * 24 hr trend.........3 degrees warmer. * Min humidity..........26-31 percent. * 24 hr trend.........2 percent wetter. * Wind (20 ft) * Plains...............East winds 5 to 15 mph. * Chance of lightning...2 percent. * CWR...................Zero. .Forecast days 3 through 7...... .FRIDAY NIGHT...Mostly clear. Lows 62 to 67. East winds 5 to 10 mph. .SATURDAY...Partly cloudy. Lows 63 to 68. Highs 91 to 96. Southeast winds 5 to 10 mph. .SUNDAY...Partly cloudy. Isolated showers and thunderstorms. Lows 61 to 66. Highs 87 to 92. Northeast winds 5 to 10 mph. .MONDAY...Mostly clear. Lows 62 to 67. Highs 90 to 95. East winds 5 to 10 mph. .TUESDAY...Mostly clear. Lows 63 to 68. Highs 93 to 98. .WEDNESDAY...Sunny. Highs 93 to 98. $$ MTZ131-141015- Northern Cheyenne Indian Reservation/Ashland Ranger District Custer Natl Forest- 242 PM MDT Wed Aug 13 2025 .Tonight... * Sky/weather...........Partly cloudy. Isolated rain showers in the evening. * Min temperature.......62-67. * 24 hr trend.........7 degrees warmer. * Max humidity..........46-51 percent. * 24 hr trend.........35 percent drier. * Wind (20 ft) * Slope/valley.........Southwest winds 5 to 10 mph. * Ridgetop.............West 10 to 20 mph. * Chance of lightning...2 percent. * CWR...................Zero. .THURSDAY... * Sky/weather...........Sunny. * Max temperature.......88-93. * 24 hr trend.........4 degrees cooler. * Min humidity..........19-24 percent. * 24 hr trend.........4 percent wetter. * Wind (20 ft) * Slope/valley.........Northwest winds 5 to 15 mph. * Ridgetop.............West 10 to 20 mph. * Chance of lightning...2 percent. * CWR...................Zero. .THURSDAY NIGHT... * Sky/weather...........Partly cloudy. Isolated rain showers in the evening. * Min temperature.......58-63. * 24 hr trend.........4 degrees cooler. * Max humidity..........73-78 percent. * 24 hr trend.........27 percent wetter. * Wind (20 ft) * Slope/valley.........Northeast winds 5 to 10 mph. * Ridgetop.............South 10 to 20 mph. * Chance of lightning...8 percent. * CWR...................Zero. .FRIDAY... * Sky/weather...........Sunny. * Max temperature.......89-94. * 24 hr trend.........1 degree warmer. * Min humidity..........21-26 percent. * 24 hr trend.........2 percent wetter. * Wind (20 ft) * Slope/valley.........Northeast winds 5 to 10 mph. * Ridgetop.............West 15 to 25 mph. * Chance of lightning...3 percent. * CWR...................Zero. .Forecast days 3 through 7...... .FRIDAY NIGHT...Partly cloudy. Lows 61 to 66. Southeast winds 5 to 10 mph. .SATURDAY...Partly cloudy. Lows 60 to 65. Highs 90 to 95. Southeast winds 5 to 10 mph. .SUNDAY...Partly cloudy. Isolated showers and thunderstorms. Lows 58 to 63. Highs 87 to 92. North winds 5 to 10 mph. .MONDAY...Mostly clear. Lows 60 to 65. Highs 90 to 95. Southeast winds 5 to 10 mph. .TUESDAY...Mostly clear. Lows 61 to 66. Highs 91 to 96. .WEDNESDAY...Sunny. Highs 93 to 98. $$ MTZ132-141015- Custer County- 242 PM MDT Wed Aug 13 2025 .Tonight... * Sky/weather...........Partly cloudy. Isolated rain showers in the evening. * Min temperature.......62-67. * 24 hr trend.........1 degree warmer. * Max humidity..........53-58 percent. * 24 hr trend.........15 percent drier. * Wind (20 ft) * Plains...............South winds 5 to 10 mph. * Chance of lightning...5 percent. * CWR...................Zero. .THURSDAY... * Sky/weather...........Sunny. * Max temperature.......83-88. * 24 hr trend.........7 degrees cooler. * Min humidity..........27-32 percent. * 24 hr trend.........8 percent wetter. * Wind (20 ft) * Plains...............Northwest winds 5 to 15 mph. * Chance of lightning...1 percent. * CWR...................Zero. .THURSDAY NIGHT... * Sky/weather...........Partly cloudy. Isolated rain showers overnight. * Min temperature.......58-63. * 24 hr trend.........4 degrees cooler. * Max humidity..........75-80 percent. * 24 hr trend.........22 percent wetter. * Wind (20 ft) * Plains...............Northeast winds 5 to 15 mph. * Chance of lightning...9 percent. * CWR...................Zero. .FRIDAY... * Sky/weather...........Sunny. * Max temperature.......83-88. * 24 hr trend.........Unchanged. * Min humidity..........34-39 percent. * 24 hr trend.........7 percent wetter. * Wind (20 ft) * Plains...............East winds 5 to 15 mph. * Chance of lightning...2 percent. * CWR...................Zero. .Forecast days 3 through 7...... .FRIDAY NIGHT...Mostly clear. Lows 62 to 67. Southeast winds 5 to 15 mph. .SATURDAY...Partly cloudy. Isolated showers and thunderstorms. Lows 63 to 68. Highs 85 to 90. Southeast winds 5 to 15 mph. .SUNDAY...Partly cloudy. Scattered showers and isolated thunderstorms. Lows 60 to 65. Highs 83 to 88. East winds 5 to 15 mph. .MONDAY...Mostly clear. Isolated showers and thunderstorms. Lows 60 to 65. Highs 84 to 89. East winds 5 to 15 mph. .TUESDAY...Mostly clear. Lows 62 to 67. Highs 86 to 91. .WEDNESDAY...Sunny. Highs 89 to 94. $$ MTZ133-141015- Sioux Ranger District Custer National Forest- 242 PM MDT Wed Aug 13 2025 .Tonight... * Sky/weather...........Partly cloudy. Scattered rain showers in the evening. * Min temperature.......60-65. * 24 hr trend.........2 degrees warmer. * Max humidity..........64-69 percent. * 24 hr trend.........12 percent drier. * Wind (20 ft) * Plains...............South winds 5 to 10 mph. * Chance of lightning...0 percent. * CWR...................Zero. .THURSDAY... * Sky/weather...........Sunny. * Max temperature.......88-93. * 24 hr trend.........3 degrees cooler. * Min humidity..........23-28 percent. * 24 hr trend.........6 percent drier. * Wind (20 ft) * Plains...............Northwest winds 5 to 15 mph. * Chance of lightning...0 percent. * CWR...................Zero. .THURSDAY NIGHT... * Sky/weather...........Partly cloudy. Isolated rain showers in the evening, then isolated showers and thunderstorms overnight. Some thunderstorms may produce gusty winds overnight. * Min temperature.......58-63. * 24 hr trend.........2 degrees cooler. * Max humidity..........77-82 percent. * 24 hr trend.........13 percent wetter. * Wind (20 ft) * Plains...............Northeast winds 5 to 15 mph. * Chance of lightning...19 percent. * CWR...................Zero. .FRIDAY... * Sky/weather...........Sunny. * Max temperature.......84-89. * 24 hr trend.........4 degrees cooler. * Min humidity..........38-43 percent. * 24 hr trend.........15 percent wetter. * Wind (20 ft) * Plains...............East winds 10 to 20 mph. * Chance of lightning...4 percent. * CWR...................Zero. .Forecast days 3 through 7...... .FRIDAY NIGHT...Partly cloudy. Isolated showers and thunderstorms. Lows 61 to 66. East winds 5 to 15 mph. .SATURDAY...Mostly cloudy. Scattered showers and thunderstorms. Lows 61 to 66. Highs 83 to 88. Southeast winds 10 to 20 mph. .SUNDAY...Partly cloudy. Scattered showers and thunderstorms. Lows 60 to 65. Highs 85 to 90. East winds 5 to 15 mph. .MONDAY...Partly cloudy. Isolated showers and thunderstorms. Lows 60 to 65. Highs 85 to 90. East winds 5 to 15 mph. .TUESDAY...Mostly clear. Isolated showers and thunderstorms. Lows 61 to 66. Highs 86 to 91. .WEDNESDAY...Sunny. Highs 89 to 94. $$ WYZ274-141015- Sheridan County- 242 PM MDT Wed Aug 13 2025 .Tonight... * Sky/weather...........Partly cloudy. Isolated rain showers in the evening. * Min temperature.......57-62. * 24 hr trend.........Unchanged. * Max humidity..........57-62 percent. * 24 hr trend.........8 percent drier. * Wind (20 ft) * Slope/valley.........Southwest winds 5 to 15 mph. * Ridgetop.............West 10 to 20 mph. * Chance of lightning...12 percent. * CWR...................Zero. .THURSDAY... * Sky/weather...........Sunny. * Max temperature.......88-93. * 24 hr trend.........2 degrees cooler. * Min humidity..........19-24 percent. * 24 hr trend.........2 percent drier. * Wind (20 ft) * Slope/valley.........North winds 5 to 15 mph. * Ridgetop.............West 10 to 20 mph. * Chance of lightning...5 percent. * CWR...................Zero. .THURSDAY NIGHT... * Sky/weather...........Partly cloudy. Isolated rain showers in the evening. * Min temperature.......54-59. * 24 hr trend.........3 degrees cooler. * Max humidity..........70-75 percent. * 24 hr trend.........13 percent wetter. * Wind (20 ft) * Slope/valley.........Southwest winds 5 to 10 mph. * Ridgetop.............South 5 to 15 mph. * Chance of lightning...6 percent. * CWR...................Zero. .FRIDAY... * Sky/weather...........Sunny. * Max temperature.......89-94. * 24 hr trend.........1 degree warmer. * Min humidity..........22-27 percent. * 24 hr trend.........3 percent wetter. * Wind (20 ft) * Slope/valley.........North winds 5 to 10 mph. * Ridgetop.............West 10 to 20 mph. * Chance of lightning...5 percent. * CWR...................Zero. .Forecast days 3 through 7...... .FRIDAY NIGHT...Partly cloudy. Lows 57 to 62. South winds 5 to 10 mph. .SATURDAY...Partly cloudy. Isolated showers and thunderstorms. Lows 56 to 61. Highs 90 to 95. Southwest winds 5 to 10 mph. .SUNDAY...Partly cloudy. Isolated showers and thunderstorms. Lows 55 to 60. Highs 87 to 92. West winds 5 to 10 mph. .MONDAY...Mostly clear. Isolated showers and thunderstorms. Lows 56 to 61. Highs 88 to 93. Southeast winds 5 to 10 mph. .TUESDAY...Mostly clear. Lows 58 to 63. Highs 91 to 96. .WEDNESDAY...Sunny. Highs 92 to 97. $$ WYZ284-141015- Bighorn National Forest- 242 PM MDT Wed Aug 13 2025 .Tonight... * Sky/weather...........Partly cloudy. Isolated rain showers in the evening. * Min temperature.......49-54. * 24 hr trend.........Unchanged. * Max humidity..........53-58 percent. * 24 hr trend.........19 percent drier. * Wind (20 ft) * At Burgess Jct.......Southwest winds 5 to 15 mph. * Chance of lightning...11 percent. * CWR...................Zero. .THURSDAY... * Sky/weather...........Sunny. * Max temperature.......73-78. * 24 hr trend.........1 degree cooler. * Min humidity..........19-24 percent. * 24 hr trend.........3 percent drier. * Wind (20 ft) * At Burgess Jct.......West winds 5 to 15 mph. * Chance of lightning...9 percent. * CWR...................Zero. .THURSDAY NIGHT... * Sky/weather...........Partly cloudy. Isolated rain showers in the evening. * Min temperature.......46-51. * 24 hr trend.........3 degrees cooler. * Max humidity..........57-62 percent. * 24 hr trend.........4 percent wetter. * Wind (20 ft) * At Burgess Jct.......South winds 5 to 15 mph. * Chance of lightning...9 percent. * CWR...................Zero. .FRIDAY... * Sky/weather...........Sunny. * Max temperature.......73-78. * 24 hr trend.........Unchanged. * Min humidity..........20-25 percent. * 24 hr trend.........1 percent wetter. * Wind (20 ft) * At Burgess Jct.......West winds 5 to 15 mph. * Chance of lightning...10 percent. * CWR...................Zero. .Forecast days 3 through 7...... .FRIDAY NIGHT...Partly cloudy. Lows 49 to 54. South winds 5 to 15 mph. .SATURDAY...Mostly cloudy. Isolated showers and thunderstorms. Lows 47 to 52. Highs 73 to 78. Southwest winds 5 to 15 mph. .SUNDAY...Partly cloudy. Isolated showers and thunderstorms. Lows 46 to 51. Highs 71 to 76. Southwest winds 5 to 15 mph. .MONDAY...Mostly clear. Isolated showers and thunderstorms. Lows 48 to 53. Highs 73 to 78. Southwest winds 5 to 15 mph. .TUESDAY...Mostly clear. Lows 49 to 54. Highs 75 to 80. .WEDNESDAY...Sunny. Highs 76 to 81. $$ weather.gov/billings