


Routine Fire Wx Fcst (With/Without 6-10 Day Outlook)
Issued by NWS Billings, MT
Issued by NWS Billings, MT
184 FNUS55 KBYZ 042007 FWFBYZ Fire Weather Planning Forecast for SCen and SErn Montana National Weather Service Billings MT 207 PM MDT Fri Jul 4 2025 .DISCUSSION... A couple different Pacific disturbances will move through the region keeping RH values elevated and bring shower and thunderstorm chances today through Saturday. Gusty winds, small hail and brief heavy rain are possible with thunderstorms through this evening. Scattered strong to severe thunderstorms are expected on Saturday across the district with strong winds and large hail possible. A warming and drying trend is expected next week with temperatures well into the 90s from Tuesday through Thursday with very low chances for precipitation and minimum RH into the teens and 20s percent. Palmquist MTZ123-051030- Gallatin National Forest- 207 PM MDT Fri Jul 4 2025 .Tonight... * Sky/weather...........Mostly cloudy with scattered showers and thunderstorms in the evening, then mostly clear with isolated rain showers overnight. * Min temperature.......45-55 at 5000 feet...42-52 at 7000 feet. * 24 hr trend.........5 degrees cooler. * Max humidity..........82-87 percent. * 24 hr trend.........4 percent wetter. * Wind (20 ft) * Slope/valley.........Southeast winds 5 to 10 mph. * Ridgetop.............Southwest 5 to 15 mph. * Chance of lightning...40 percent. * CWR...................40 percent. .SATURDAY... * Sky/weather...........Sunny in the morning, then mostly cloudy with numerous showers and thunderstorms likely in the afternoon. * Max temperature.......69-79 at 5000 feet...58-68 at 7000 feet. * 24 hr trend.........4 degrees cooler. * Min humidity..........32-42 percent at 5000 feet...37-47 percent at 7000 feet. * 24 hr trend.........8 percent wetter. * Wind (20 ft) * Slope/valley.........West winds 5 to 10 mph. * Ridgetop.............West 5 to 15 mph. * Chance of lightning...55 percent. * CWR...................50 percent. .SATURDAY NIGHT... * Sky/weather...........Mostly clear. Isolated showers and thunderstorms in the evening. * Min temperature.......41-51 at 5000 feet...38-48 at 7000 feet. * 24 hr trend.........4 degrees cooler. * Max humidity..........76-81 percent. * 24 hr trend.........6 percent drier. * Wind (20 ft) * Slope/valley.........Northwest winds 5 to 10 mph in the evening shifting to the south overnight. * Ridgetop.............Southwest 5 to 10 mph. * Chance of lightning...17 percent. * CWR...................10 percent. .SUNDAY... * Sky/weather...........Sunny. * Max temperature.......74-84 at 5000 feet...62-72 at 7000 feet. * 24 hr trend.........6 degrees warmer. * Min humidity..........26-31 percent. * 24 hr trend.........19 percent drier. * Wind (20 ft) * Slope/valley.........Light winds in the morning becoming northwest 5 to 10 mph in the afternoon. * Ridgetop.............Northwest 5 to 10 mph. * Chance of lightning...0 percent. * CWR...................Zero. .Forecast days 3 through 7...... .SUNDAY NIGHT...Mostly clear. Lows 46 to 56. South winds 5 to 10 mph. .MONDAY...Mostly clear. Lows 50 to 60. Highs 79 to 89. Southwest winds 5 to 10 mph. .TUESDAY...Mostly clear. Lows 53 to 63. Highs 85 to 94. Southwest winds 5 to 10 mph. .WEDNESDAY...Partly cloudy. Lows 51 to 61. Highs 85 to 95. Southwest winds 5 to 10 mph. .THURSDAY...Partly cloudy. Isolated showers and thunderstorms. Lows 48 to 58. Highs 79 to 89. .FRIDAY...Sunny. Isolated showers and thunderstorms. Highs 77 to 87. $$ MTZ124-051030- Wheatland County/Sweet Grass County- 207 PM MDT Fri Jul 4 2025 .Tonight... * Sky/weather...........Mostly cloudy. Numerous rain showers and scattered thunderstorms in the evening, then scattered rain showers overnight. Patchy fog overnight. * Min temperature.......48-53. * 24 hr trend.........10 degrees cooler. * Max humidity..........100 percent. * 24 hr trend.........36 percent wetter. * Wind (20 ft) * Plains...............West winds 5 to 15 mph. * Chance of lightning...37 percent. * CWR...................50 percent. .SATURDAY... * Sky/weather...........Patchy fog in the morning. Sunny in the morning, then mostly cloudy with rain showers with thunderstorms likely in the afternoon. * Max temperature.......71-76. * 24 hr trend.........6 degrees cooler. * Min humidity..........44-49 percent. * 24 hr trend.........17 percent wetter. * Wind (20 ft) * Plains...............Northwest winds 5 to 15 mph. * Chance of lightning...60 percent. * CWR...................60 percent. .SATURDAY NIGHT... * Sky/weather...........Mostly cloudy with scattered showers and thunderstorms in the evening, then mostly clear overnight. Patchy fog overnight. * Min temperature.......42-47. * 24 hr trend.........6 degrees cooler. * Max humidity..........93-98 percent. * 24 hr trend.........3 percent drier. * Wind (20 ft) * Plains...............West winds 5 to 15 mph. * Chance of lightning...25 percent. * CWR...................10 percent. .SUNDAY... * Sky/weather...........Sunny. * Max temperature.......76-81. * 24 hr trend.........5 degrees warmer. * Min humidity..........31-36 percent. * 24 hr trend.........13 percent drier. * Wind (20 ft) * Plains...............West winds 5 to 15 mph. * Chance of lightning...6 percent. * CWR...................Zero. .Forecast days 3 through 7...... .SUNDAY NIGHT...Mostly clear. Lows 47 to 52. Northwest winds 5 to 15 mph. .MONDAY...Mostly clear. Lows 51 to 56. Highs 80 to 85. Southwest winds 5 to 15 mph. .TUESDAY...Mostly clear. Lows 54 to 59. Highs 87 to 92. West winds 5 to 15 mph. .WEDNESDAY...Mostly clear. Lows 54 to 59. Highs 87 to 92. West winds 5 to 15 mph. .THURSDAY...Partly cloudy. Isolated showers and thunderstorms. Lows 51 to 56. Highs 80 to 85. .FRIDAY...Sunny. Isolated showers and thunderstorms. Highs 77 to 82. $$ MTZ125-051030- Stillwater County- 207 PM MDT Fri Jul 4 2025 .Tonight... * Sky/weather...........Partly cloudy. Isolated showers and thunderstorms in the evening. * Min temperature.......51-56. * 24 hr trend.........3 degrees cooler. * Max humidity..........81-86 percent. * 24 hr trend.........9 percent wetter. * Wind (20 ft) * Plains...............Southwest winds 5 to 10 mph. * Chance of lightning...20 percent. * CWR...................10 percent. .SATURDAY... * Sky/weather...........Sunny in the morning, then mostly cloudy with numerous showers and thunderstorms likely in the afternoon. Some thunderstorms may be severe. * Max temperature.......76-81. * 24 hr trend.........1 degree cooler. * Min humidity..........41-46 percent. * 24 hr trend.........5 percent wetter. * Wind (20 ft) * Plains...............North winds 5 to 10 mph. * Chance of lightning...58 percent. * CWR...................30 percent. .SATURDAY NIGHT... * Sky/weather...........Mostly cloudy with scattered showers and thunderstorms in the evening, then mostly clear overnight. Some thunderstorms may be severe. * Min temperature.......47-52. * 24 hr trend.........4 degrees cooler. * Max humidity..........80-85 percent. * 24 hr trend.........1 percent drier. * Wind (20 ft) * Plains...............West winds 5 to 10 mph. * Chance of lightning...28 percent. * CWR...................20 percent. .SUNDAY... * Sky/weather...........Sunny. * Max temperature.......77-82. * 24 hr trend.........1 degree warmer. * Min humidity..........35-40 percent. * 24 hr trend.........6 percent drier. * Wind (20 ft) * Plains...............West winds 5 to 10 mph in the morning shifting to the northeast in the afternoon. * Chance of lightning...0 percent. * CWR...................Zero. .Forecast days 3 through 7...... .SUNDAY NIGHT...Mostly clear. Lows 52 to 57. South winds 5 to 10 mph. .MONDAY...Mostly clear. Lows 54 to 59. Highs 82 to 87. West winds 5 to 10 mph. .TUESDAY...Mostly clear. Lows 57 to 62. Highs 88 to 93. Southwest winds 5 to 10 mph. .WEDNESDAY...Partly cloudy. Lows 56 to 61. Highs 90 to 95. West winds 5 to 10 mph. .THURSDAY...Partly cloudy. Isolated showers and thunderstorms. Lows 52 to 57. Highs 83 to 88. .FRIDAY...Mostly sunny. Isolated showers and thunderstorms. Highs 79 to 84. $$ MTZ126-051030- Beartooth Ranger District Custer National Forest- 207 PM MDT Fri Jul 4 2025 .Tonight... * Sky/weather...........Mostly cloudy. Isolated showers and thunderstorms in the evening. * Min temperature.......52-60 at 5000 feet...45-55 at 7000 feet. * 24 hr trend.........3 degrees cooler. * Max humidity..........74-84 percent at 5000 feet...72-82 percent at 7000 feet. * 24 hr trend.........18 percent wetter. * Wind (20 ft) * Slope/valley.........West winds 5 to 15 mph. * Ridgetop.............South 5 to 15 mph. * Chance of lightning...22 percent. * CWR...................10 percent. .SATURDAY... * Sky/weather...........Sunny in the morning, then mostly cloudy with numerous rain showers and scattered thunderstorms in the afternoon. * Max temperature.......74-82 at 5000 feet...64-74 at 7000 feet. * 24 hr trend.........1 degree warmer. * Min humidity..........36-46 percent at 5000 feet...33-43 percent at 7000 feet. * 24 hr trend.........3 percent wetter. * Wind (20 ft) * Slope/valley.........West winds 5 to 15 mph. * Ridgetop.............Southwest 5 to 15 mph. * Chance of lightning...50 percent. * CWR...................40 percent. .SATURDAY NIGHT... * Sky/weather...........Mostly cloudy with scattered showers and thunderstorms in the evening, then mostly clear overnight. * Min temperature.......48-56 at 5000 feet...40-50 at 7000 feet. * 24 hr trend.........7 degrees cooler. * Max humidity..........72-82 percent at 5000 feet...70-80 percent at 7000 feet. * 24 hr trend.........2 percent drier. * Wind (20 ft) * Slope/valley.........West winds 5 to 15 mph. * Ridgetop.............West 5 to 15 mph. * Chance of lightning...30 percent. * CWR...................20 percent. .SUNDAY... * Sky/weather...........Sunny. * Max temperature.......73-81 at 5000 feet...65-75 at 7000 feet. * 24 hr trend.........Unchanged. * Min humidity..........29-39 percent at 5000 feet...35-45 percent at 7000 feet. * 24 hr trend.........4 percent wetter. * Wind (20 ft) * Slope/valley.........Northwest winds 5 to 10 mph in the morning shifting to the northeast in the afternoon. * Ridgetop.............Northeast 5 to 15 mph. * Chance of lightning...0 percent. * CWR...................Zero. .Forecast days 3 through 7...... .SUNDAY NIGHT...Mostly clear. Lows 53 to 61. West winds 5 to 10 mph. .MONDAY...Mostly clear. Lows 55 to 64. Highs 78 to 87. Southwest winds 5 to 10 mph. .TUESDAY...Mostly clear. Lows 59 to 66. Highs 84 to 93. Southwest winds 5 to 15 mph. .WEDNESDAY...Partly cloudy. Lows 57 to 64. Highs 86 to 94. West winds 5 to 15 mph. .THURSDAY...Partly cloudy. Scattered showers and thunderstorms. Lows 53 to 61. Highs 77 to 86. .FRIDAY...Mostly sunny. Scattered showers and thunderstorms. Highs 74 to 83. $$ MTZ127-051030- Golden Valley County/Musselshell county- 207 PM MDT Fri Jul 4 2025 .Tonight... * Sky/weather...........Mostly cloudy. Scattered showers and thunderstorms in the evening, then isolated showers and thunderstorms overnight. * Min temperature.......56-61. * 24 hr trend.........3 degrees cooler. * Max humidity..........83-88 percent. * 24 hr trend.........32 percent wetter. * Wind (20 ft) * Plains...............Northwest winds 5 to 15 mph. * Chance of lightning...40 percent. * CWR...................30 percent. .SATURDAY... * Sky/weather...........Mostly sunny. Numerous showers and thunderstorms likely in the afternoon. Some thunderstorms may be severe. * Max temperature.......74-79. * 24 hr trend.........5 degrees cooler. * Min humidity..........46-51 percent. * 24 hr trend.........20 percent wetter. * Wind (20 ft) * Plains...............North winds 5 to 15 mph. * Chance of lightning...60 percent. * CWR...................70 percent. .SATURDAY NIGHT... * Sky/weather...........Mostly cloudy with numerous rain showers and scattered thunderstorms in the evening, then mostly clear overnight. Some thunderstorms may be severe. * Min temperature.......53-58. * 24 hr trend.........3 degrees cooler. * Max humidity..........82-87 percent. * 24 hr trend.........1 percent drier. * Wind (20 ft) * Plains...............Northwest winds 5 to 15 mph. * Chance of lightning...40 percent. * CWR...................30 percent. .SUNDAY... * Sky/weather...........Sunny. * Max temperature.......75-80. * 24 hr trend.........1 degree warmer. * Min humidity..........32-37 percent. * 24 hr trend.........14 percent drier. * Wind (20 ft) * Plains...............West winds 5 to 10 mph. * Chance of lightning...0 percent. * CWR...................Zero. .Forecast days 3 through 7...... .SUNDAY NIGHT...Mostly clear. Lows 57 to 62. East winds 5 to 10 mph. .MONDAY...Mostly clear. Lows 60 to 65. Highs 79 to 84. Northeast winds 5 to 10 mph. .TUESDAY...Mostly clear. Lows 63 to 68. Highs 87 to 92. Southwest winds 5 to 10 mph. .WEDNESDAY...Partly cloudy. Lows 62 to 67. Highs 90 to 95. West winds 5 to 10 mph. .THURSDAY...Partly cloudy. Isolated showers and thunderstorms. Lows 58 to 63. Highs 81 to 86. .FRIDAY...Sunny. Highs 77 to 82. $$ MTZ128-051030- Yellowstone County- 207 PM MDT Fri Jul 4 2025 .Tonight... * Sky/weather...........Partly cloudy. Scattered showers and thunderstorms in the evening. * Min temperature.......56-61. * 24 hr trend.........6 degrees cooler. * Max humidity..........84-89 percent. * 24 hr trend.........23 percent wetter. * Wind (20 ft) * Plains...............West winds 5 to 15 mph. * Chance of lightning...30 percent. * CWR...................20 percent. .SATURDAY... * Sky/weather...........Mostly sunny. Numerous showers and thunderstorms likely in the afternoon. Some thunderstorms may be severe. * Max temperature.......81-86. * 24 hr trend.........3 degrees cooler. * Min humidity..........37-42 percent. * 24 hr trend.........14 percent wetter. * Wind (20 ft) * Plains...............North winds 5 to 15 mph. * Chance of lightning...60 percent. * CWR...................40 percent. .SATURDAY NIGHT... * Sky/weather...........Mostly cloudy with scattered showers and thunderstorms in the evening, then mostly clear overnight. Some thunderstorms may be severe. * Min temperature.......53-58. * 24 hr trend.........3 degrees cooler. * Max humidity..........86-91 percent. * 24 hr trend.........2 percent wetter. * Wind (20 ft) * Plains...............West winds 5 to 15 mph. * Chance of lightning...40 percent. * CWR...................20 percent. .SUNDAY... * Sky/weather...........Sunny. * Max temperature.......80-85. * 24 hr trend.........1 degree cooler. * Min humidity..........29-34 percent. * 24 hr trend.........8 percent drier. * Wind (20 ft) * Plains...............West winds 5 to 10 mph. * Chance of lightning...3 percent. * CWR...................Zero. .Forecast days 3 through 7...... .SUNDAY NIGHT...Mostly clear. Lows 56 to 61. Northeast winds 5 to 10 mph. .MONDAY...Mostly clear. Lows 59 to 64. Highs 86 to 91. Northeast winds 5 to 10 mph. .TUESDAY...Mostly clear. Lows 61 to 66. Highs 94 to 99. West winds 5 to 10 mph. .WEDNESDAY...Partly cloudy. Lows 60 to 65. Highs 96 to 101. West winds 5 to 15 mph. .THURSDAY...Partly cloudy. Isolated showers and thunderstorms. Lows 58 to 63. Highs 87 to 92. .FRIDAY...Sunny. Highs 83 to 88. $$ MTZ129-051030- Crow Indian Reservation/Bighorn Canyon Rec Area- 207 PM MDT Fri Jul 4 2025 .Tonight... * Sky/weather...........Mostly cloudy. Scattered showers and thunderstorms in the evening. * Min temperature.......54-60 at 5000 feet...52-57 at 7000 feet. * 24 hr trend.........7 degrees cooler. * Max humidity..........77-87 percent at 5000 feet...71-77 percent at 7000 feet. * 24 hr trend.........23 percent wetter. * Wind (20 ft) * Slope/valley.........West winds 5 to 10 mph. * Ridgetop.............West 10 to 20 mph. * Chance of lightning...30 percent. * CWR...................10 percent. .SATURDAY... * Sky/weather...........Mostly sunny. Scattered showers and thunderstorms in the afternoon. Some thunderstorms may be severe. * Max temperature.......71-81 at 5000 feet...65-73 at 7000 feet. * 24 hr trend.........1 degree warmer. * Min humidity..........34-44 percent at 5000 feet...41-48 percent at 7000 feet. * 24 hr trend.........7 percent wetter. * Wind (20 ft) * Slope/valley.........East winds 5 to 15 mph. * Ridgetop.............Northeast 5 to 15 mph. * Chance of lightning...40 percent. * CWR...................30 percent. .SATURDAY NIGHT... * Sky/weather...........Mostly cloudy. Numerous rain showers and scattered thunderstorms in the evening. Some thunderstorms may be severe. * Min temperature.......51-56 at 5000 feet...45-51 at 7000 feet. * 24 hr trend.........4 degrees cooler. * Max humidity..........75-85 percent at 5000 feet...72-82 percent at 7000 feet. * 24 hr trend.........7 percent wetter. * Wind (20 ft) * Slope/valley.........West winds 5 to 10 mph. * Ridgetop.............West 5 to 15 mph. * Chance of lightning...45 percent. * CWR...................30 percent. .SUNDAY... * Sky/weather...........Sunny. * Max temperature.......71-81 at 5000 feet...64-71 at 7000 feet. * 24 hr trend.........3 degrees cooler. * Min humidity..........32-42 percent at 5000 feet...43-53 percent at 7000 feet. * 24 hr trend.........6 percent drier. * Wind (20 ft) * Slope/valley.........Northwest winds 5 to 15 mph. * Ridgetop.............Northwest 5 to 15 mph. * Chance of lightning...0 percent. * CWR...................Zero. .Forecast days 3 through 7...... .SUNDAY NIGHT...Mostly clear. Lows 55 to 61. East winds 5 to 10 mph. .MONDAY...Mostly clear. Lows 58 to 64. Highs 76 to 86. East winds 5 to 10 mph. .TUESDAY...Mostly clear. Lows 61 to 67. Highs 83 to 93. South winds 5 to 10 mph. .WEDNESDAY...Partly cloudy. Lows 59 to 64. Highs 85 to 95. West winds 5 to 15 mph. .THURSDAY...Not as warm. Mostly cloudy. Isolated showers and thunderstorms. Lows 56 to 61. Highs 76 to 86. .FRIDAY...Sunny. Highs 73 to 83. $$ MTZ130-051030- Northern Rosebud/Northern Treasure Counties- 207 PM MDT Fri Jul 4 2025 .Tonight... * Sky/weather...........Mostly cloudy with scattered showers and thunderstorms. * Min temperature.......59-64. * 24 hr trend.........5 degrees cooler. * Max humidity..........82-87 percent. * 24 hr trend.........26 percent wetter. * Wind (20 ft) * Plains...............North winds 5 to 15 mph in the evening shifting to the northeast 5 to 10 mph overnight. * Chance of lightning...40 percent. * CWR...................30 percent. .SATURDAY... * Sky/weather...........Mostly sunny. Isolated rain showers in the morning, then numerous rain showers and scattered thunderstorms in the afternoon. Some thunderstorms may be severe. * Max temperature.......82-87. * 24 hr trend.........3 degrees cooler. * Min humidity..........34-39 percent. * 24 hr trend.........9 percent wetter. * Wind (20 ft) * Plains...............Southeast winds 5 to 15 mph. * Chance of lightning...45 percent. * CWR...................50 percent. .SATURDAY NIGHT... * Sky/weather...........Mostly cloudy. Rain showers and scattered thunderstorms in the evening, then isolated rain showers overnight. Some thunderstorms may be severe. * Min temperature.......55-60. * 24 hr trend.........4 degrees cooler. * Max humidity..........92-97 percent. * 24 hr trend.........10 percent wetter. * Wind (20 ft) * Plains...............Northwest winds 5 to 15 mph. * Chance of lightning...50 percent. * CWR...................60 percent. .SUNDAY... * Sky/weather...........Sunny. * Max temperature.......80-85. * 24 hr trend.........2 degrees cooler. * Min humidity..........32-37 percent. * 24 hr trend.........2 percent drier. * Wind (20 ft) * Plains...............Northwest winds 5 to 10 mph. * Chance of lightning...0 percent. * CWR...................Zero. .Forecast days 3 through 7...... .SUNDAY NIGHT...Mostly clear. Lows 57 to 62. East winds 5 to 10 mph. .MONDAY...Mostly clear. Lows 60 to 65. Highs 86 to 91. East winds 5 to 10 mph. .TUESDAY...Mostly clear. Lows 63 to 68. Highs 95 to 100. South winds 5 to 10 mph. .WEDNESDAY...Partly cloudy. Lows 63 to 68. Highs 95 to 100. West winds 5 to 10 mph. .THURSDAY...Partly cloudy. Isolated showers and thunderstorms. Lows 59 to 64. Highs 87 to 92. .FRIDAY...Sunny. Highs 83 to 88. $$ MTZ131-051030- Northern Cheyenne Indian Reservation/Ashland Ranger District Custer Natl Forest- 207 PM MDT Fri Jul 4 2025 .Tonight... * Sky/weather...........Partly cloudy. Scattered showers and thunderstorms in the evening. * Min temperature.......55-60. * 24 hr trend.........6 degrees cooler. * Max humidity..........89-94 percent. * 24 hr trend.........7 percent wetter. * Wind (20 ft) * Slope/valley.........Northwest winds 5 to 10 mph. * Ridgetop.............Northwest 5 to 15 mph. * Chance of lightning...40 percent. * CWR...................30 percent. .SATURDAY... * Sky/weather...........Partly cloudy. Scattered showers and thunderstorms in the afternoon. Some thunderstorms may be severe. * Max temperature.......84-89. * 24 hr trend.........4 degrees warmer. * Min humidity..........32-37 percent. * 24 hr trend.........1 percent drier. * Wind (20 ft) * Slope/valley.........East winds 5 to 15 mph. * Ridgetop.............East 5 to 15 mph. * Chance of lightning...40 percent. * CWR...................40 percent. .SATURDAY NIGHT... * Sky/weather...........Mostly cloudy. Numerous rain showers and scattered thunderstorms in the evening. Patchy fog overnight. Some thunderstorms may be severe. * Min temperature.......52-57. * 24 hr trend.........3 degrees cooler. * Max humidity..........94-99 percent. * 24 hr trend.........5 percent wetter. * Wind (20 ft) * Slope/valley.........Northwest winds 5 to 15 mph. * Ridgetop.............Northwest 10 to 20 mph. * Chance of lightning...50 percent. * CWR...................50 percent. .SUNDAY... * Sky/weather...........Sunny. * Max temperature.......79-84. * 24 hr trend.........5 degrees cooler. * Min humidity..........32-37 percent. * 24 hr trend.........Unchanged. * Wind (20 ft) * Slope/valley.........Northwest winds 5 to 10 mph. * Ridgetop.............Northwest 5 to 15 mph. * Chance of lightning...0 percent. * CWR...................Zero. .Forecast days 3 through 7...... .SUNDAY NIGHT...Mostly clear. Isolated showers and thunderstorms. Lows 54 to 59. East winds 5 to 10 mph. .MONDAY...Mostly clear. Lows 57 to 62. Highs 85 to 90. East winds 5 to 10 mph. .TUESDAY...Mostly clear. Lows 59 to 64. Highs 92 to 97. South winds 5 to 10 mph. .WEDNESDAY...Mostly clear. Lows 59 to 64. Highs 95 to 100. West winds 5 to 10 mph. .THURSDAY...Not as warm. Mostly cloudy. Isolated showers and thunderstorms. Lows 55 to 60. Highs 85 to 90. .FRIDAY...Mostly sunny. Highs 81 to 86. $$ MTZ132-051030- Custer County- 207 PM MDT Fri Jul 4 2025 .Tonight... * Sky/weather...........Mostly cloudy with scattered showers and thunderstorms. * Min temperature.......57-62. * 24 hr trend.........8 degrees cooler. * Max humidity..........80-85 percent. * 24 hr trend.........9 percent wetter. * Wind (20 ft) * Plains...............Northeast winds 5 to 15 mph. * Chance of lightning...30 percent. * CWR...................20 percent. .SATURDAY... * Sky/weather...........Mostly sunny. Scattered rain showers in the morning, then scattered showers and thunderstorms in the afternoon. Some thunderstorms may be severe. * Max temperature.......80-85. * 24 hr trend.........1 degree warmer. * Min humidity..........37-42 percent. * 24 hr trend.........2 percent wetter. * Wind (20 ft) * Plains...............East winds 5 to 15 mph. * Chance of lightning...25 percent. * CWR...................30 percent. .SATURDAY NIGHT... * Sky/weather...........Mostly cloudy. Rain showers and scattered thunderstorms in the evening, then scattered rain showers and isolated thunderstorms overnight. Some thunderstorms may be severe in the evening. * Min temperature.......54-59. * 24 hr trend.........3 degrees cooler. * Max humidity..........91-96 percent. * 24 hr trend.........11 percent wetter. * Wind (20 ft) * Plains...............North winds 10 to 20 mph in the evening shifting to the southwest 5 to 15 mph overnight. * Chance of lightning...50 percent. * CWR...................80 percent. .SUNDAY... * Sky/weather...........Mostly sunny. * Max temperature.......75-80. * 24 hr trend.........5 degrees cooler. * Min humidity..........39-44 percent. * 24 hr trend.........2 percent wetter. * Wind (20 ft) * Plains...............Northwest winds 5 to 15 mph. * Chance of lightning...0 percent. * CWR...................Zero. .Forecast days 3 through 7...... .SUNDAY NIGHT...Mostly clear. Lows 56 to 61. Southeast winds 5 to 10 mph. .MONDAY...Mostly clear. Lows 59 to 64. Highs 82 to 87. Southeast winds 5 to 10 mph. .TUESDAY...Mostly clear. Lows 62 to 67. Highs 90 to 95. South winds 5 to 10 mph. .WEDNESDAY...Mostly clear. Lows 62 to 67. Highs 93 to 98. South winds 5 to 15 mph. .THURSDAY...Partly cloudy. Isolated showers and thunderstorms. Lows 57 to 62. Highs 85 to 90. .FRIDAY...Sunny. Highs 78 to 83. $$ MTZ133-051030- Sioux Ranger District Custer National Forest- 207 PM MDT Fri Jul 4 2025 .Tonight... * Sky/weather...........Mostly cloudy. Scattered showers and thunderstorms in the evening, then isolated showers and thunderstorms overnight. * Min temperature.......57-62. * 24 hr trend.........6 degrees cooler. * Max humidity..........87-92 percent. * 24 hr trend.........11 percent drier. * Wind (20 ft) * Plains...............North winds 5 to 10 mph. * Chance of lightning...30 percent. * CWR...................20 percent. .SATURDAY... * Sky/weather...........Mostly sunny. Isolated showers and thunderstorms in the morning, then scattered showers and thunderstorms in the afternoon. Some thunderstorms may be severe in the afternoon. * Max temperature.......80-85. * 24 hr trend.........4 degrees warmer. * Min humidity..........42-47 percent. * 24 hr trend.........7 percent drier. * Wind (20 ft) * Plains...............East winds 5 to 15 mph. * Chance of lightning...30 percent. * CWR...................20 percent. .SATURDAY NIGHT... * Sky/weather...........Mostly cloudy. Rain showers with thunderstorms likely in the evening, then numerous rain showers and scattered thunderstorms overnight. Patchy fog overnight. Some thunderstorms may be severe in the evening. * Min temperature.......56-61. * 24 hr trend.........1 degree cooler. * Max humidity..........95-100 percent. * 24 hr trend.........8 percent wetter. * Wind (20 ft) * Plains...............Southeast winds 5 to 15 mph. * Chance of lightning...60 percent. * CWR...................80 percent. .SUNDAY... * Sky/weather...........Mostly sunny. Patchy fog in the morning. Isolated rain showers in the morning, then isolated showers and thunderstorms in the afternoon. * Max temperature.......76-81. * 24 hr trend.........4 degrees cooler. * Min humidity..........48-53 percent. * 24 hr trend.........6 percent wetter. * Wind (20 ft) * Plains...............Northwest winds 5 to 15 mph. * Chance of lightning...15 percent. * CWR...................Less than 10 percent. .Forecast days 3 through 7...... .SUNDAY NIGHT...Mostly clear. Isolated showers and thunderstorms. Lows 55 to 60. East winds 5 to 10 mph. .MONDAY...Mostly clear. Lows 57 to 62. Highs 81 to 86. Southeast winds 5 to 15 mph. .TUESDAY...Mostly clear. Lows 61 to 66. Highs 88 to 93. Southeast winds 5 to 10 mph. .WEDNESDAY...Mostly clear. Lows 61 to 66. Highs 92 to 97. South winds 5 to 15 mph. .THURSDAY...Partly cloudy. Isolated showers and thunderstorms. Lows 58 to 63. Highs 85 to 90. .FRIDAY...Sunny. Highs 78 to 83. $$ WYZ274-051030- Sheridan County- 207 PM MDT Fri Jul 4 2025 .Tonight... * Sky/weather...........Mostly cloudy. Scattered showers and thunderstorms in the evening. Patchy fog overnight. * Min temperature.......51-56. * 24 hr trend.........5 degrees cooler. * Max humidity..........91-96 percent. * 24 hr trend.........6 percent wetter. * Wind (20 ft) * Slope/valley.........West winds 5 to 10 mph. * Ridgetop.............West 10 to 20 mph. * Chance of lightning...30 percent. * CWR...................15 percent. .SATURDAY... * Sky/weather...........Sunny in the morning, then partly sunny with scattered showers and thunderstorms in the afternoon. Some thunderstorms may be severe. * Max temperature.......83-88. * 24 hr trend.........3 degrees warmer. * Min humidity..........37-42 percent. * 24 hr trend.........9 percent wetter. * Wind (20 ft) * Slope/valley.........East winds 5 to 10 mph. * Ridgetop.............East 5 to 15 mph. * Chance of lightning...40 percent. * CWR...................25 percent. .SATURDAY NIGHT... * Sky/weather...........Mostly cloudy with scattered showers and thunderstorms in the evening, then mostly clear overnight. Patchy fog overnight. Some thunderstorms may be severe. * Min temperature.......47-52. * 24 hr trend.........4 degrees cooler. * Max humidity..........100 percent. * 24 hr trend.........7 percent wetter. * Wind (20 ft) * Slope/valley.........West winds 5 to 10 mph. * Ridgetop.............West 5 to 15 mph. * Chance of lightning...35 percent. * CWR...................20 percent. .SUNDAY... * Sky/weather...........Sunny. * Max temperature.......79-84. * 24 hr trend.........4 degrees cooler. * Min humidity..........35-40 percent. * 24 hr trend.........2 percent drier. * Wind (20 ft) * Slope/valley.........North winds 5 to 10 mph. * Ridgetop.............North 5 to 15 mph. * Chance of lightning...0 percent. * CWR...................Zero. .Forecast days 3 through 7...... .SUNDAY NIGHT...Mostly clear. Lows 49 to 54. Southeast winds 5 to 10 mph. .MONDAY...Mostly clear. Lows 53 to 58. Highs 84 to 89. Southeast winds 5 to 10 mph. .TUESDAY...Mostly clear. Lows 55 to 60. Highs 91 to 96. West winds 5 to 10 mph. .WEDNESDAY...Mostly clear. Lows 55 to 60. Highs 94 to 99. West winds 5 to 10 mph. .THURSDAY...Mostly cloudy. Isolated showers and thunderstorms. Lows 53 to 58. Highs 85 to 90. .FRIDAY...Mostly sunny. Isolated showers and thunderstorms. Highs 79 to 84. $$ WYZ284-051030- Bighorn National Forest- 207 PM MDT Fri Jul 4 2025 .Tonight... * Sky/weather...........Mostly cloudy. Scattered showers and thunderstorms in the evening. * Min temperature.......44-49. * 24 hr trend.........1 degree cooler. * Max humidity..........82-87 percent. * 24 hr trend.........5 percent drier. * Wind (20 ft) * At Burgess Jct.......Southwest winds 5 to 15 mph. * Chance of lightning...30 percent. * CWR...................20 percent. .SATURDAY... * Sky/weather...........Sunny in the morning, then partly sunny with numerous rain showers and scattered thunderstorms in the afternoon. Some thunderstorms may be severe. * Max temperature.......68-73. * 24 hr trend.........3 degrees warmer. * Min humidity..........32-37 percent. * 24 hr trend.........11 percent drier. * Wind (20 ft) * At Burgess Jct.......Southwest winds 5 to 15 mph. * Chance of lightning...45 percent. * CWR...................30 percent. .SATURDAY NIGHT... * Sky/weather...........Mostly cloudy with scattered showers and thunderstorms in the evening, then mostly clear overnight. Patchy fog overnight. Some thunderstorms may be severe. * Min temperature.......37-42. * 24 hr trend.........7 degrees cooler. * Max humidity..........100 percent. * 24 hr trend.........16 percent wetter. * Wind (20 ft) * At Burgess Jct.......West winds 5 to 15 mph. * Chance of lightning...35 percent. * CWR...................20 percent. .SUNDAY... * Sky/weather...........Mostly sunny. Isolated showers and thunderstorms in the afternoon. * Max temperature.......64-69. * 24 hr trend.........4 degrees cooler. * Min humidity..........36-41 percent. * 24 hr trend.........4 percent wetter. * Wind (20 ft) * At Burgess Jct.......Northwest winds 5 to 15 mph. * Chance of lightning...15 percent. * CWR...................10 percent. .Forecast days 3 through 7...... .SUNDAY NIGHT...Mostly clear. Lows 43 to 48. Southeast winds 5 to 15 mph. .MONDAY...Mostly clear. Lows 46 to 51. Highs 70 to 75. West winds 5 to 15 mph. .TUESDAY...Mostly clear. Lows 49 to 54. Highs 75 to 80. Southwest winds 5 to 15 mph. .WEDNESDAY...Mostly clear. Lows 49 to 54. Highs 77 to 82. Southwest winds 5 to 15 mph. .THURSDAY...Mostly cloudy. Isolated showers and thunderstorms. Lows 44 to 49. Highs 70 to 75. .FRIDAY...Mostly sunny. Scattered showers and thunderstorms. Highs 66 to 71. $$ weather.gov/billings