


Routine Fire Wx Fcst (With/Without 6-10 Day Outlook)
Issued by NWS Billings, MT
Issued by NWS Billings, MT
784 FNUS55 KBYZ 260801 FWFBYZ Fire Weather Planning Forecast for SCen and SErn Montana National Weather Service Billings MT 201 AM MDT Sat Jul 26 2025 .DISCUSSION... Another round of scattered thunderstorms is expected this afternoon and evening. The storms have the potential to produce localized strong/erratic wind gusts. Otherwise, today will be slightly cooler and a bit more humid than Friday. Thunderstorms on Sunday will be more isolated than today. Looking to next week, atmospheric moisture is expected to increase significantly starting Monday, bringing a daily chance of wet thunderstorms and potential heavy rain. Temps will trend toward cooler than normal while humidities become seasonably high. JKL MTZ123-262215- Gallatin National Forest- 201 AM MDT Sat Jul 26 2025 .Today... * Sky/weather...........Sunny in the morning, then partly sunny with scattered showers and thunderstorms in the afternoon. Haze through the day. Some thunderstorms may produce gusty winds in the afternoon. * Max temperature.......80-90 at 5000 feet...70-80 at 7000 feet. * 24 hr trend.........1 degree warmer. * Min humidity..........15-25 percent at 5000 feet...17-27 percent at 7000 feet. * 24 hr trend.........1 percent wetter. * Wind (20 ft) * Slope/valley.........Southeast winds 5 to 10 mph in the morning shifting to the west in the afternoon. * Ridgetop.............Southwest 5 to 15 mph. * Chance of lightning...25 percent. * CWR...................Zero. .TONIGHT... * Sky/weather...........Mostly cloudy with isolated showers and thunderstorms in the evening, then mostly clear overnight. Some thunderstorms may produce gusty winds in the evening. * Min temperature.......49-59 at 5000 feet...45-55 at 7000 feet. * 24 hr trend.........Unchanged. * Max humidity..........58-68 percent at 5000 feet...48-58 percent at 7000 feet. * 24 hr trend.........9 percent drier. * Wind (20 ft) * Slope/valley.........Northwest winds 5 to 10 mph in the evening shifting to the southeast overnight. * Ridgetop.............West 5 to 10 mph. * Chance of lightning...15 percent. * CWR...................Less than 10 percent. .SUNDAY... * Sky/weather...........Sunny in the morning, then partly sunny with scattered showers and thunderstorms in the afternoon. * Max temperature.......80-88 at 5000 feet...68-78 at 7000 feet. * 24 hr trend.........1 degree cooler. * Min humidity..........15-25 percent at 5000 feet...20-30 percent at 7000 feet. * 24 hr trend.........1 percent wetter. * Wind (20 ft) * Slope/valley.........South winds 5 to 10 mph in the morning shifting to the northwest in the afternoon. * Ridgetop.............Southwest 5 to 15 mph. * Chance of lightning...27 percent. * CWR...................Less than 10 percent. .Forecast days 3 through 7...... .SUNDAY NIGHT...Partly cloudy. Lows 47 to 57. West winds 5 to 10 mph. .MONDAY...Partly cloudy. Scattered showers and thunderstorms. Lows 49 to 59. Highs 79 to 89. East winds 5 to 10 mph. .TUESDAY...Mostly cloudy. Scattered showers and thunderstorms. Lows 50 to 60. Highs 76 to 86. East winds 5 to 10 mph. .WEDNESDAY...Mostly cloudy. Scattered showers and thunderstorms. Lows 51 to 60. Highs 77 to 87. East winds 5 to 10 mph. .THURSDAY...Mostly cloudy. Scattered showers and thunderstorms. Lows 49 to 59. Highs 78 to 88. .FRIDAY...Mostly sunny. Scattered showers and thunderstorms. Highs 79 to 89. $$ MTZ124-262215- Wheatland County/Sweet Grass County- 201 AM MDT Sat Jul 26 2025 .Today... * Sky/weather...........Mostly sunny. Haze through the day. Scattered showers and thunderstorms in the afternoon. Some thunderstorms may produce gusty winds in the afternoon. * Max temperature.......83-88. * 24 hr trend.........4 degrees cooler. * Min humidity..........25-30 percent. * 24 hr trend.........9 percent wetter. * Wind (20 ft) * Plains...............West winds 5 to 15 mph in the morning shifting to the east in the afternoon. * Chance of lightning...30 percent. * CWR...................30 percent. .TONIGHT... * Sky/weather...........Mostly cloudy. Scattered showers and thunderstorms in the evening. Some thunderstorms may produce gusty winds in the evening. * Min temperature.......51-56. * 24 hr trend.........1 degree cooler. * Max humidity..........75-80 percent. * 24 hr trend.........7 percent wetter. * Wind (20 ft) * Plains...............North winds 5 to 15 mph in the evening shifting to the west overnight. * Chance of lightning...27 percent. * CWR...................Less than 10 percent. .SUNDAY... * Sky/weather...........Mostly sunny. Scattered showers and thunderstorms in the afternoon. * Max temperature.......81-86. * 24 hr trend.........2 degrees cooler. * Min humidity..........30-35 percent. * 24 hr trend.........5 percent wetter. * Wind (20 ft) * Plains...............North winds 5 to 15 mph. * Chance of lightning...37 percent. * CWR...................20 percent. .Forecast days 3 through 7...... .SUNDAY NIGHT...Partly cloudy. Scattered showers and thunderstorms. Lows 51 to 56. Northwest winds 5 to 15 mph. .MONDAY...Mostly cloudy. Scattered showers and thunderstorms. Lows 52 to 57. Highs 77 to 82. East winds 5 to 15 mph. .TUESDAY...Mostly cloudy. Numerous showers and scattered thunderstorms. Lows 54 to 59. Highs 74 to 79. East winds 5 to 15 mph. .WEDNESDAY...Mostly cloudy. Scattered showers and thunderstorms. Lows 54 to 59. Highs 72 to 77. East winds 5 to 15 mph. .THURSDAY...Mostly cloudy. Scattered showers and thunderstorms. Lows 53 to 58. Highs 76 to 81. .FRIDAY...Partly sunny. Scattered showers and thunderstorms. Highs 79 to 84. $$ MTZ125-262215- Stillwater County- 201 AM MDT Sat Jul 26 2025 .Today... * Sky/weather...........Sunny in the morning, then partly sunny with scattered showers and thunderstorms in the afternoon. Haze through the day. Some thunderstorms may produce gusty winds in the afternoon. * Max temperature.......86-91. * 24 hr trend.........2 degrees warmer. * Min humidity..........20-25 percent. * 24 hr trend.........5 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...25 percent. * CWR...................Zero. .TONIGHT... * Sky/weather...........Mostly cloudy. Isolated showers and thunderstorms in the evening. Some thunderstorms may produce gusty winds in the evening. * Min temperature.......54-59. * 24 hr trend.........1 degree cooler. * Max humidity..........55-60 percent. * 24 hr trend.........8 percent wetter. * Wind (20 ft) * Plains...............North winds 5 to 15 mph in the evening shifting to the west 5 to 10 mph overnight. * Chance of lightning...17 percent. * CWR...................Zero. .SUNDAY... * Sky/weather...........Mostly sunny. Scattered showers and thunderstorms in the afternoon. * Max temperature.......85-90. * 24 hr trend.........1 degree cooler. * Min humidity..........22-27 percent. * 24 hr trend.........2 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...30 percent. * CWR...................Zero. .Forecast days 3 through 7...... .SUNDAY NIGHT...Partly cloudy. Lows 53 to 58. Northwest winds 5 to 10 mph. .MONDAY...Partly cloudy. Scattered showers and thunderstorms. Lows 54 to 59. Highs 82 to 87. Northeast winds 5 to 10 mph. .TUESDAY...Mostly cloudy. Scattered showers and thunderstorms. Lows 55 to 60. Highs 76 to 81. North winds 5 to 10 mph. .WEDNESDAY...Mostly cloudy. Numerous showers and scattered thunderstorms. Lows 55 to 60. Highs 76 to 81. Northeast winds 5 to 10 mph. .THURSDAY...Mostly cloudy. Scattered showers and thunderstorms. Lows 55 to 60. Highs 79 to 84. .FRIDAY...Partly sunny. Scattered showers and thunderstorms. Highs 81 to 86. $$ MTZ126-262215- Beartooth Ranger District Custer National Forest- 201 AM MDT Sat Jul 26 2025 .Today... * Sky/weather...........Sunny in the morning, then mostly cloudy with scattered showers and thunderstorms in the afternoon. Haze in the afternoon. Some thunderstorms may produce gusty winds in the afternoon. * Max temperature.......82-91 at 5000 feet...73-83 at 7000 feet. * 24 hr trend.........1 degree cooler. * Min humidity..........13-23 percent at 5000 feet...17-27 percent at 7000 feet. * 24 hr trend.........5 percent wetter. * Wind (20 ft) * Slope/valley.........Southeast winds 5 to 10 mph. * Ridgetop.............South 5 to 10 mph. * Chance of lightning...25 percent. * CWR...................Zero. .TONIGHT... * Sky/weather...........Mostly cloudy. Isolated showers and thunderstorms in the evening. Some thunderstorms may produce gusty winds in the evening. * Min temperature.......55-63 at 5000 feet...50-60 at 7000 feet. * 24 hr trend.........Unchanged. * Max humidity..........43-53 percent at 5000 feet...39-49 percent at 7000 feet. * 24 hr trend.........3 percent drier. * Wind (20 ft) * Slope/valley.........West winds 5 to 15 mph. * Ridgetop.............Southwest 10 to 20 mph. * Chance of lightning...15 percent. * CWR...................Zero. .SUNDAY... * Sky/weather...........Mostly sunny. Scattered showers and thunderstorms in the afternoon. * Max temperature.......82-91 at 5000 feet...73-83 at 7000 feet. * 24 hr trend.........1 degree warmer. * Min humidity..........15-25 percent at 5000 feet...19-29 percent at 7000 feet. * 24 hr trend.........1 percent wetter. * Wind (20 ft) * Slope/valley.........West winds 5 to 10 mph in the morning shifting to the northeast 5 to 15 mph in the afternoon. * Ridgetop.............Southwest 5 to 15 mph. * Chance of lightning...27 percent. * CWR...................Zero. .Forecast days 3 through 7...... .SUNDAY NIGHT...Mostly clear. Lows 54 to 60. Northwest winds 5 to 10 mph. .MONDAY...Partly cloudy. Scattered showers and thunderstorms. Lows 55 to 61. Highs 80 to 88. North winds 5 to 15 mph. .TUESDAY...Mostly cloudy. Scattered showers and thunderstorms. Lows 56 to 62. Highs 74 to 82. North winds 5 to 15 mph. .WEDNESDAY...Mostly cloudy. Numerous showers and scattered thunderstorms. Lows 56 to 63. Highs 75 to 82. Southwest winds 5 to 10 mph. .THURSDAY...Mostly cloudy. Numerous showers and scattered thunderstorms. Lows 56 to 62. Highs 75 to 83. .FRIDAY...Mostly sunny. Numerous showers and scattered thunderstorms. Highs 77 to 85. $$ MTZ127-262215- Golden Valley County/Musselshell county- 201 AM MDT Sat Jul 26 2025 .Today... * Sky/weather...........Sunny. Haze through the day. Isolated showers and thunderstorms in the afternoon. Some thunderstorms may produce gusty winds in the afternoon. * Max temperature.......84-89. * 24 hr trend.........2 degrees cooler. * Min humidity..........24-29 percent. * 24 hr trend.........8 percent wetter. * Wind (20 ft) * Plains...............Northwest winds 5 to 15 mph in the morning shifting to the east 5 to 10 mph in the afternoon. * Chance of lightning...16 percent. * CWR...................Zero. .TONIGHT... * Sky/weather...........Mostly cloudy. Scattered showers and thunderstorms in the evening. Some thunderstorms may produce gusty winds in the evening. * Min temperature.......59-64. * 24 hr trend.........1 degree cooler. * Max humidity..........65-70 percent. * 24 hr trend.........13 percent wetter. * Wind (20 ft) * Plains...............Northwest winds 5 to 15 mph in the evening shifting to the south 5 to 10 mph overnight. * Chance of lightning...27 percent. * CWR...................Zero. .SUNDAY... * Sky/weather...........Sunny. Isolated showers and thunderstorms in the afternoon. * Max temperature.......82-87. * 24 hr trend.........2 degrees cooler. * Min humidity..........28-33 percent. * 24 hr trend.........4 percent wetter. * Wind (20 ft) * Plains...............West winds 5 to 10 mph in the morning shifting to the northeast in the afternoon. * Chance of lightning...15 percent. * CWR...................Zero. .Forecast days 3 through 7...... .SUNDAY NIGHT...Partly cloudy. Isolated showers and thunderstorms. Lows 58 to 63. North winds 5 to 10 mph. .MONDAY...Partly cloudy. Scattered showers and thunderstorms. Lows 57 to 62. Highs 78 to 83. Northeast winds 5 to 15 mph. .TUESDAY...Mostly cloudy. Numerous showers and scattered thunderstorms. Lows 58 to 63. Highs 73 to 78. Northeast winds 5 to 15 mph. .WEDNESDAY...Mostly cloudy. Scattered showers and thunderstorms. Lows 59 to 64. Highs 75 to 80. East winds 5 to 15 mph. .THURSDAY...Mostly cloudy. Scattered showers and isolated thunderstorms. Lows 59 to 64. Highs 77 to 82. .FRIDAY...Partly sunny. Scattered showers and isolated thunderstorms. Highs 80 to 85. $$ MTZ128-262215- Yellowstone County- 201 AM MDT Sat Jul 26 2025 .Today... * Sky/weather...........Sunny. Haze through the day. Isolated showers and thunderstorms in the afternoon. Some thunderstorms may produce gusty winds in the afternoon. * Max temperature.......89-94. * 24 hr trend.........2 degrees cooler. * Min humidity..........19-24 percent. * 24 hr trend.........7 percent wetter. * Wind (20 ft) * Plains...............Southwest winds 5 to 10 mph in the morning shifting to the east 5 to 15 mph in the afternoon. * Chance of lightning...16 percent. * CWR...................10 percent. .TONIGHT... * Sky/weather...........Mostly cloudy. Isolated showers and thunderstorms in the evening. Some thunderstorms may produce gusty winds in the evening. * Min temperature.......60-65. * 24 hr trend.........Unchanged. * Max humidity..........67-72 percent. * 24 hr trend.........10 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...20 percent. * CWR...................20 percent. .SUNDAY... * Sky/weather...........Sunny. Isolated showers and thunderstorms in the afternoon. * Max temperature.......88-93. * 24 hr trend.........1 degree cooler. * Min humidity..........22-27 percent. * 24 hr trend.........3 percent wetter. * Wind (20 ft) * Plains...............West winds 5 to 10 mph in the morning shifting to the northeast 5 to 15 mph in the afternoon. * Chance of lightning...16 percent. * CWR...................Zero. .Forecast days 3 through 7...... .SUNDAY NIGHT...Partly cloudy. Lows 58 to 63. North winds 5 to 15 mph. .MONDAY...Partly cloudy. Isolated showers and thunderstorms. Lows 59 to 64. Highs 85 to 90. Northeast winds 5 to 15 mph. .TUESDAY...Mostly cloudy. Scattered showers and thunderstorms. Lows 60 to 65. Highs 79 to 84. Northeast winds 5 to 15 mph. .WEDNESDAY...Mostly cloudy. Scattered showers and thunderstorms. Lows 59 to 64. Highs 80 to 85. Northeast winds 5 to 15 mph. .THURSDAY...Mostly cloudy. Scattered showers and isolated thunderstorms. Lows 60 to 65. Highs 82 to 87. .FRIDAY...Mostly sunny. Scattered showers and isolated thunderstorms. Highs 85 to 90. $$ MTZ129-262215- Crow Indian Reservation/Bighorn Canyon Rec Area- 201 AM MDT Sat Jul 26 2025 .Today... * Sky/weather...........Sunny in the morning, then mostly cloudy with scattered showers and thunderstorms in the afternoon. Haze through the day. Some thunderstorms may produce gusty winds in the afternoon. * Max temperature.......80-90 at 5000 feet...72-80 at 7000 feet. * 24 hr trend.........1 degree cooler. * Min humidity..........14-24 percent at 5000 feet...18-27 percent at 7000 feet. * 24 hr trend.........8 percent wetter. * Wind (20 ft) * Slope/valley.........West winds 5 to 10 mph in the morning shifting to the northeast 5 to 15 mph in the afternoon. * Ridgetop.............South 5 to 10 mph. * Chance of lightning...25 percent. * CWR...................20 percent. .TONIGHT... * Sky/weather...........Partly cloudy. Isolated showers and thunderstorms in the evening. Some thunderstorms may produce gusty winds in the evening. * Min temperature.......58-63 at 5000 feet...55-60 at 7000 feet. * 24 hr trend.........3 degrees cooler. * Max humidity..........46-56 percent at 5000 feet...36-46 percent at 7000 feet. * 24 hr trend.........14 percent wetter. * Wind (20 ft) * Slope/valley.........Southeast winds 5 to 10 mph. * Ridgetop.............Southwest 5 to 15 mph. * Chance of lightning...16 percent. * CWR...................Zero. .SUNDAY... * Sky/weather...........Sunny. * Max temperature.......80-90 at 5000 feet...73-81 at 7000 feet. * 24 hr trend.........Unchanged. * Min humidity..........15-25 percent at 5000 feet...18-28 percent at 7000 feet. * 24 hr trend.........1 percent drier. * Wind (20 ft) * Slope/valley.........West winds 5 to 10 mph in the morning shifting to the north 5 to 15 mph in the afternoon. * Ridgetop.............West 10 to 20 mph. * Chance of lightning...10 percent. * CWR...................Zero. .Forecast days 3 through 7...... .SUNDAY NIGHT...Mostly clear. Lows 54 to 60. North winds 5 to 15 mph. .MONDAY...Mostly clear. Isolated showers and thunderstorms. Lows 56 to 62. Highs 77 to 87. Northeast winds 5 to 15 mph. .TUESDAY...Mostly cloudy. Scattered showers and thunderstorms. Lows 57 to 62. Highs 71 to 81. East winds 5 to 15 mph. .WEDNESDAY...Mostly cloudy. Scattered showers and thunderstorms. Lows 57 to 63. Highs 72 to 82. Southeast winds 5 to 15 mph. .THURSDAY...Mostly cloudy. Scattered showers and thunderstorms. Lows 57 to 62. Highs 73 to 83. .FRIDAY...Mostly sunny. Isolated showers and thunderstorms. Highs 74 to 84. $$ MTZ130-262215- Northern Rosebud/Northern Treasure Counties- 201 AM MDT Sat Jul 26 2025 .Today... * Sky/weather...........Sunny. Haze through the day. * Max temperature.......92-97. * 24 hr trend.........2 degrees cooler. * Min humidity..........20-25 percent. * 24 hr trend.........11 percent wetter. * Wind (20 ft) * Plains...............West winds 5 to 15 mph in the morning shifting to the northeast 5 to 10 mph in the afternoon. * Chance of lightning...12 percent. * CWR...................Zero. .TONIGHT... * Sky/weather...........Mostly cloudy. Scattered rain showers and isolated thunderstorms in the evening. Some thunderstorms may produce gusty winds in the evening. * Min temperature.......62-67. * 24 hr trend.........Unchanged. * Max humidity..........73-78 percent. * 24 hr trend.........12 percent wetter. * Wind (20 ft) * Plains...............Northwest winds 5 to 10 mph. * Chance of lightning...22 percent. * CWR...................10 percent. .SUNDAY... * Sky/weather...........Sunny. * Max temperature.......90-95. * 24 hr trend.........2 degrees cooler. * Min humidity..........24-29 percent. * 24 hr trend.........4 percent wetter. * Wind (20 ft) * Plains...............Northwest winds 5 to 10 mph. * Chance of lightning...6 percent. * CWR...................Zero. .Forecast days 3 through 7...... .SUNDAY NIGHT...Partly cloudy. Isolated showers and thunderstorms. Lows 62 to 67. Northeast winds 5 to 10 mph. .MONDAY...Partly cloudy. Scattered showers and thunderstorms. Lows 60 to 65. Highs 86 to 91. Northeast winds 5 to 15 mph. .TUESDAY...Mostly cloudy. Numerous showers and scattered thunderstorms. Lows 60 to 65. Highs 79 to 84. East winds 5 to 15 mph. .WEDNESDAY...Mostly cloudy. Scattered showers and thunderstorms. Lows 60 to 65. Highs 80 to 85. East winds 5 to 15 mph. .THURSDAY...Mostly cloudy. Scattered showers and isolated thunderstorms. Lows 60 to 65. Highs 83 to 88. .FRIDAY...Partly sunny. Isolated showers and thunderstorms. Highs 84 to 89. $$ MTZ131-262215- Northern Cheyenne Indian Reservation/Ashland Ranger District Custer Natl Forest- 201 AM MDT Sat Jul 26 2025 .Today... * Sky/weather...........Sunny in the morning, then mostly cloudy with scattered showers and thunderstorms in the afternoon. Haze through the day. Some thunderstorms may produce gusty winds in the afternoon. * Max temperature.......89-94. * 24 hr trend.........2 degrees cooler. * Min humidity..........22-27 percent. * 24 hr trend.........8 percent wetter. * Wind (20 ft) * Slope/valley.........North winds 5 to 10 mph. * Ridgetop.............South 5 to 10 mph. * Chance of lightning...25 percent. * CWR...................Zero. .TONIGHT... * Sky/weather...........Partly cloudy. Isolated showers and thunderstorms in the evening. Some thunderstorms may produce gusty winds in the evening. * Min temperature.......57-62. * 24 hr trend.........2 degrees cooler. * Max humidity..........76-81 percent. * 24 hr trend.........22 percent wetter. * Wind (20 ft) * Slope/valley.........Southeast winds 5 to 10 mph in the evening shifting to the southwest overnight. * Ridgetop.............West 5 to 10 mph. * Chance of lightning...20 percent. * CWR...................Less than 10 percent. .SUNDAY... * Sky/weather...........Sunny. * Max temperature.......90-95. * 24 hr trend.........1 degree warmer. * Min humidity..........21-26 percent. * 24 hr trend.........1 percent drier. * Wind (20 ft) * Slope/valley.........West winds 5 to 10 mph in the morning shifting to the north in the afternoon. * Ridgetop.............West 10 to 20 mph. * Chance of lightning...4 percent. * CWR...................Zero. .Forecast days 3 through 7...... .SUNDAY NIGHT...Mostly clear. Lows 58 to 63. Northeast winds 5 to 10 mph. .MONDAY...Mostly clear. Scattered showers and thunderstorms. Lows 58 to 63. Highs 87 to 92. Northeast winds 5 to 15 mph. .TUESDAY...Mostly cloudy. Numerous showers and scattered thunderstorms. Lows 58 to 63. Highs 79 to 84. East winds 5 to 15 mph. .WEDNESDAY...Mostly cloudy. Scattered showers and thunderstorms. Lows 59 to 64. Highs 79 to 84. Southeast winds 5 to 15 mph. .THURSDAY...Mostly cloudy. Scattered showers and isolated thunderstorms. Lows 59 to 64. Highs 81 to 86. .FRIDAY...Mostly sunny. Isolated showers and thunderstorms. Highs 83 to 88. $$ MTZ132-262215- Custer County- 201 AM MDT Sat Jul 26 2025 .Today... * Sky/weather...........Mostly sunny. Haze through the day. * Max temperature.......91-96. * 24 hr trend.........2 degrees warmer. * Min humidity..........22-27 percent. * 24 hr trend.........2 percent drier. * Wind (20 ft) * Plains...............Northwest winds 5 to 15 mph. * Chance of lightning...12 percent. * CWR...................Zero. .TONIGHT... * Sky/weather...........Mostly cloudy. Scattered showers and thunderstorms in the evening. Some thunderstorms may produce gusty winds in the evening. * Min temperature.......61-66. * 24 hr trend.........1 degree cooler. * Max humidity..........73-78 percent. * 24 hr trend.........9 percent wetter. * Wind (20 ft) * Plains...............Southeast winds 5 to 15 mph. * Chance of lightning...32 percent. * CWR...................Less than 10 percent. .SUNDAY... * Sky/weather...........Sunny. * Max temperature.......87-92. * 24 hr trend.........4 degrees cooler. * Min humidity..........28-33 percent. * 24 hr trend.........6 percent wetter. * Wind (20 ft) * Plains...............Northwest winds 5 to 10 mph. * Chance of lightning...6 percent. * CWR...................Zero. .Forecast days 3 through 7...... .SUNDAY NIGHT...Partly cloudy. Isolated showers and thunderstorms. Lows 61 to 66. Northeast winds 5 to 10 mph. .MONDAY...Partly cloudy. Scattered showers and thunderstorms. Lows 58 to 63. Highs 82 to 87. East winds 5 to 15 mph. .TUESDAY...Mostly cloudy. Scattered showers and thunderstorms. Lows 58 to 63. Highs 77 to 82. East winds 5 to 15 mph. .WEDNESDAY...Mostly cloudy. Scattered showers and thunderstorms. Lows 58 to 63. Highs 74 to 79. Southeast winds 5 to 15 mph. .THURSDAY...Mostly cloudy. Isolated showers and thunderstorms. Lows 58 to 63. Highs 76 to 81. .FRIDAY...Partly sunny. Isolated showers and thunderstorms. Highs 78 to 83. $$ MTZ133-262215- Sioux Ranger District Custer National Forest- 201 AM MDT Sat Jul 26 2025 .Today... * Sky/weather...........Sunny. Haze through the day. Isolated showers and thunderstorms in the afternoon. Some thunderstorms may produce gusty winds in the afternoon. * Max temperature.......92-97. * 24 hr trend.........1 degree warmer. * Min humidity..........24-29 percent. * 24 hr trend.........2 percent wetter. * Wind (20 ft) * Plains...............West winds 5 to 10 mph in the morning shifting to the northeast 5 to 15 mph in the afternoon. * Chance of lightning...16 percent. * CWR...................Zero. .TONIGHT... * Sky/weather...........Mostly cloudy with scattered showers and thunderstorms in the evening, then mostly clear overnight. Some thunderstorms may produce gusty winds in the evening. * Min temperature.......60-65. * 24 hr trend.........1 degree cooler. * Max humidity..........82-87 percent. * 24 hr trend.........12 percent wetter. * Wind (20 ft) * Plains...............Northeast winds 5 to 15 mph. * Chance of lightning...40 percent. * CWR...................40 percent. .SUNDAY... * Sky/weather...........Sunny. * Max temperature.......89-94. * 24 hr trend.........3 degrees cooler. * Min humidity..........29-34 percent. * 24 hr trend.........5 percent wetter. * Wind (20 ft) * Plains...............Northwest winds 5 to 15 mph. * Chance of lightning...4 percent. * CWR...................Zero. .Forecast days 3 through 7...... .SUNDAY NIGHT...Mostly clear. Lows 61 to 66. Northeast winds 5 to 10 mph. .MONDAY...Partly cloudy. Scattered showers and thunderstorms. Lows 60 to 65. Highs 85 to 90. East winds 5 to 15 mph. .TUESDAY...Mostly cloudy. Numerous showers and scattered thunderstorms. Lows 59 to 64. Highs 76 to 81. East winds 5 to 15 mph. .WEDNESDAY...Mostly cloudy. Scattered showers and thunderstorms. Lows 58 to 63. Highs 72 to 77. Southeast winds 10 to 20 mph. .THURSDAY...Mostly cloudy. Scattered showers and thunderstorms. Lows 58 to 63. Highs 72 to 77. .FRIDAY...Partly sunny. Isolated showers and thunderstorms. Highs 74 to 79. $$ WYZ274-262215- Sheridan County- 201 AM MDT Sat Jul 26 2025 .Today... * Sky/weather...........Mostly sunny in the morning, then mostly cloudy with scattered showers and thunderstorms in the afternoon. Haze through the day. Some thunderstorms may produce gusty winds in the afternoon. * Max temperature.......90-95. * 24 hr trend.........Unchanged. * Min humidity..........21-26 percent. * 24 hr trend.........7 percent wetter. * Wind (20 ft) * Slope/valley.........Northwest winds 5 to 10 mph in the morning shifting to the east in the afternoon. * Ridgetop.............South 5 to 10 mph. * Chance of lightning...25 percent. * CWR...................Zero. .TONIGHT... * Sky/weather...........Mostly cloudy with isolated showers and thunderstorms in the evening, then mostly clear overnight. Some thunderstorms may produce gusty winds in the evening. * Min temperature.......53-58. * 24 hr trend.........1 degree cooler. * Max humidity..........63-68 percent. * 24 hr trend.........6 percent wetter. * Wind (20 ft) * Slope/valley.........Southwest winds 5 to 10 mph. * Ridgetop.............Southwest 5 to 15 mph. * Chance of lightning...15 percent. * CWR...................Zero. .SUNDAY... * Sky/weather...........Sunny. * Max temperature.......90-95. * 24 hr trend.........Unchanged. * Min humidity..........19-24 percent. * 24 hr trend.........2 percent drier. * Wind (20 ft) * Slope/valley.........North winds 5 to 10 mph. * Ridgetop.............West 5 to 15 mph. * Chance of lightning...4 percent. * CWR...................Zero. .Forecast days 3 through 7...... .SUNDAY NIGHT...Mostly clear. Lows 54 to 59. West winds 5 to 10 mph. .MONDAY...Mostly clear. Isolated showers and thunderstorms. Lows 55 to 60. Highs 87 to 92. North winds 5 to 10 mph. .TUESDAY...Mostly cloudy. Scattered showers and thunderstorms. Lows 55 to 60. Highs 79 to 84. Northeast winds 5 to 10 mph. .WEDNESDAY...Mostly cloudy. Scattered showers and thunderstorms. Lows 54 to 59. Highs 81 to 86. Southeast winds 5 to 10 mph. .THURSDAY...Mostly cloudy. Scattered showers and thunderstorms. Lows 55 to 60. Highs 82 to 87. .FRIDAY...Mostly sunny. Scattered showers and thunderstorms. Highs 83 to 88. $$ WYZ284-262215- Bighorn National Forest- 201 AM MDT Sat Jul 26 2025 .Today... * Sky/weather...........Sunny in the morning, then partly sunny with scattered showers and thunderstorms in the afternoon. Haze through the day. Some thunderstorms may produce gusty winds in the afternoon. * Max temperature.......73-78. * 24 hr trend.........3 degrees cooler. * Min humidity..........16-21 percent. * 24 hr trend.........6 percent wetter. * Wind (20 ft) * At Burgess Jct.......Southwest winds 5 to 15 mph. * Chance of lightning...25 percent. * CWR...................Zero. .TONIGHT... * Sky/weather...........Partly cloudy. Isolated showers and thunderstorms in the evening. Some thunderstorms may produce gusty winds in the evening. * Min temperature.......46-51. * 24 hr trend.........1 degree cooler. * Max humidity..........44-49 percent. * 24 hr trend.........20 percent drier. * Wind (20 ft) * At Burgess Jct.......Southwest winds 5 to 15 mph. * Chance of lightning...16 percent. * CWR...................Zero. .SUNDAY... * Sky/weather...........Sunny. * Max temperature.......74-79. * 24 hr trend.........1 degree warmer. * Min humidity..........14-19 percent. * 24 hr trend.........2 percent drier. * Wind (20 ft) * At Burgess Jct.......Southwest winds 5 to 15 mph. * Chance of lightning...10 percent. * CWR...................Zero. .Forecast days 3 through 7...... .SUNDAY NIGHT...Partly cloudy. Lows 46 to 51. South winds 5 to 15 mph. .MONDAY...Mostly clear. Isolated showers and thunderstorms. Lows 45 to 50. Highs 72 to 77. Northeast winds 5 to 15 mph. .TUESDAY...Partly cloudy. Numerous showers and scattered thunderstorms. Lows 44 to 49. Highs 69 to 74. East winds 5 to 15 mph. .WEDNESDAY...Mostly cloudy. Numerous showers and scattered thunderstorms. Lows 44 to 49. Highs 68 to 73. Southeast winds 5 to 15 mph. .THURSDAY...Mostly cloudy. Scattered showers and thunderstorms. Lows 45 to 50. Highs 68 to 73. .FRIDAY...Mostly sunny. Scattered showers and thunderstorms. Highs 70 to 75. $$ weather.gov/billings