Routine Fire Wx Fcst (With/Without 6-10 Day Outlook)
Issued by NWS Billings, MT
Issued by NWS Billings, MT
457 FNUS55 KBYZ 290851 FWFBYZ Fire Weather Planning Forecast for SCen and SErn Montana National Weather Service Billings MT 251 AM MDT Fri Aug 29 2025 .DISCUSSION... Showers/t-storms, elevated humidity and slightly cooler than normal temperatures will continue through Saturday, though by tomorrow drier air will begin to affect western zones. The probability of additional wetting rain is 30-60% (highest east of the foothills), and some showers may produce heavy rain. Look for building high pressure aloft to bring warmer and drier conditions Sunday and Monday, with western zones likely to see afternoon RHs fall below 20%. JKL MTZ123-292215- Gallatin National Forest- 251 AM MDT Fri Aug 29 2025 .Today... * Sky/weather...........Mostly sunny. Isolated showers and thunderstorms in the afternoon. * Max temperature.......70-78 at 5000 feet...57-67 at 7000 feet. * 24 hr trend.........5 degrees warmer. * Min humidity..........41-51 percent at 5000 feet...47-57 percent at 7000 feet. * 24 hr trend.........31 percent drier. * Wind (20 ft) * Slope/valley.........Northwest winds 5 to 10 mph. * Ridgetop.............West 10 to 20 mph. * Chance of lightning...21 percent. * CWR...................Less than 10 percent. .TONIGHT... * Sky/weather...........Partly cloudy. Isolated showers and thunderstorms in the evening. * Min temperature.......45-55 at 5000 feet...40-50 at 7000 feet. * 24 hr trend.........1 degree warmer. * Max humidity..........79-89 percent at 5000 feet...76-86 percent at 7000 feet. * 24 hr trend.........24 percent drier. * Wind (20 ft) * Slope/valley.........North winds 5 to 10 mph in the evening shifting to the southeast overnight. * Ridgetop.............Northwest 5 to 15 mph. * Chance of lightning...15 percent. * CWR...................Less than 10 percent. .SATURDAY... * Sky/weather...........Sunny. * Max temperature.......72-79 at 5000 feet...60-70 at 7000 feet. * 24 hr trend.........2 degrees warmer. * Min humidity..........24-34 percent at 5000 feet...31-41 percent at 7000 feet. * 24 hr trend.........13 percent drier. * Wind (20 ft) * Slope/valley.........Northwest winds 5 to 10 mph. * Ridgetop.............Northwest 10 to 20 mph. * Chance of lightning...14 percent. * CWR...................Zero. .Forecast days 3 through 7...... .SATURDAY NIGHT...Mostly clear. Lows 46 to 56. South winds 5 to 10 mph. .SUNDAY...Mostly clear. Lows 47 to 57. Highs 77 to 86. South winds 5 to 10 mph. .MONDAY...Mostly clear. Lows 48 to 58. Highs 79 to 88. Southeast winds 5 to 10 mph. .TUESDAY...Partly cloudy. Isolated showers. Lows 44 to 54. Highs 76 to 86. North winds 5 to 10 mph. .WEDNESDAY...Partly cloudy. Isolated showers and thunderstorms. Lows 44 to 54. Highs 73 to 83. .THURSDAY...Mostly sunny. Highs 74 to 83. $$ MTZ124-292215- Wheatland County/Sweet Grass County- 251 AM MDT Fri Aug 29 2025 .Today... * Sky/weather...........Partly sunny. Scattered rain showers in the morning, then numerous rain showers and scattered thunderstorms in the afternoon. * Max temperature.......72-77. * 24 hr trend.........Unchanged. * Min humidity..........50-55 percent. * 24 hr trend.........12 percent wetter. * Wind (20 ft) * Plains...............Northwest winds 5 to 15 mph. * Chance of lightning...39 percent. * CWR...................30 percent. .TONIGHT... * Sky/weather...........Mostly cloudy. Scattered showers and thunderstorms in the evening, then isolated rain showers overnight. Patchy fog overnight. * Min temperature.......47-52. * 24 hr trend.........5 degrees cooler. * Max humidity..........94-99 percent. * 24 hr trend.........5 percent wetter. * Wind (20 ft) * Plains...............North winds 5 to 10 mph in the evening shifting to the west overnight. * Chance of lightning...31 percent. * CWR...................20 percent. .SATURDAY... * Sky/weather...........Mostly sunny. Patchy fog in the morning. Isolated rain showers in the afternoon. * Max temperature.......77-82. * 24 hr trend.........5 degrees warmer. * Min humidity..........30-35 percent. * 24 hr trend.........20 percent drier. * Wind (20 ft) * Plains...............Northwest winds 5 to 15 mph. * Chance of lightning...11 percent. * CWR...................Zero. .Forecast days 3 through 7...... .SATURDAY NIGHT...Mostly clear. Lows 47 to 52. Northwest winds 5 to 15 mph. .SUNDAY...Mostly clear. Lows 48 to 53. Highs 82 to 87. Northwest winds 5 to 15 mph. .MONDAY...Mostly clear. Lows 49 to 54. Highs 83 to 88. North winds 5 to 15 mph. .TUESDAY...Partly cloudy. Isolated showers and thunderstorms. Lows 45 to 50. Highs 77 to 82. Northeast winds 5 to 15 mph. .WEDNESDAY...Partly cloudy. Lows 43 to 48. Highs 75 to 80. .THURSDAY...Sunny. Highs 78 to 83. $$ MTZ125-292215- Stillwater County- 251 AM MDT Fri Aug 29 2025 .Today... * Sky/weather...........Mostly sunny. Isolated rain showers in the morning, then scattered rain showers and isolated thunderstorms in the afternoon. * Max temperature.......77-82. * 24 hr trend.........8 degrees warmer. * Min humidity..........37-42 percent. * 24 hr trend.........10 percent drier. * Wind (20 ft) * Plains...............Northwest winds 5 to 15 mph. * Chance of lightning...23 percent. * CWR...................20 percent. .TONIGHT... * Sky/weather...........Partly cloudy. Scattered rain showers and isolated thunderstorms in the evening. * Min temperature.......50-55. * 24 hr trend.........2 degrees cooler. * Max humidity..........84-89 percent. * 24 hr trend.........4 percent drier. * Wind (20 ft) * Plains...............West winds 5 to 10 mph. * Chance of lightning...18 percent. * CWR...................20 percent. .SATURDAY... * Sky/weather...........Sunny. Scattered rain showers and isolated thunderstorms in the afternoon. * Max temperature.......78-83. * 24 hr trend.........1 degree warmer. * Min humidity..........28-33 percent. * 24 hr trend.........9 percent drier. * Wind (20 ft) * Plains...............Northwest winds 5 to 10 mph. * Chance of lightning...20 percent. * CWR...................Zero. .Forecast days 3 through 7...... .SATURDAY NIGHT...Mostly clear. Lows 51 to 56. Southwest winds 5 to 10 mph. .SUNDAY...Mostly clear. Lows 52 to 57. Highs 83 to 88. West winds 5 to 10 mph. .MONDAY...Mostly clear. Lows 53 to 58. Highs 84 to 89. Southwest winds 5 to 10 mph. .TUESDAY...Partly cloudy. Isolated showers and thunderstorms. Lows 48 to 53. Highs 80 to 85. Northeast winds 5 to 10 mph. .WEDNESDAY...Partly cloudy. Isolated showers. Lows 48 to 53. Highs 76 to 81. .THURSDAY...Mostly sunny. Highs 78 to 83. $$ MTZ126-292215- Beartooth Ranger District Custer National Forest- 251 AM MDT Fri Aug 29 2025 .Today... * Sky/weather...........Mostly sunny. Isolated rain showers in the morning, then scattered rain showers and isolated thunderstorms in the afternoon. * Max temperature.......68-78 at 5000 feet...60-70 at 7000 feet. * 24 hr trend.........5 degrees warmer. * Min humidity..........40-50 percent at 5000 feet...49-59 percent at 7000 feet. * 24 hr trend.........2 percent wetter. * Wind (20 ft) * Slope/valley.........Northwest winds 5 to 15 mph. * Ridgetop.............Northwest 5 to 15 mph. * Chance of lightning...23 percent. * CWR...................30 percent. .TONIGHT... * Sky/weather...........Mostly cloudy. Numerous rain showers and isolated thunderstorms in the evening, then isolated rain showers overnight. * Min temperature.......49-57 at 5000 feet...43-53 at 7000 feet. * 24 hr trend.........Unchanged. * Max humidity..........73-78 percent. * 24 hr trend.........21 percent drier. * Wind (20 ft) * Slope/valley.........Northwest winds 5 to 10 mph. * Ridgetop.............Northwest 5 to 15 mph. * Chance of lightning...17 percent. * CWR...................50 percent. .SATURDAY... * Sky/weather...........Mostly sunny. Scattered showers and thunderstorms in the afternoon. * Max temperature.......69-79 at 5000 feet...61-71 at 7000 feet. * 24 hr trend.........2 degrees warmer. * Min humidity..........34-44 percent at 5000 feet...36-46 percent at 7000 feet. * 24 hr trend.........13 percent drier. * Wind (20 ft) * Slope/valley.........Northwest winds 5 to 15 mph. * Ridgetop.............Northwest 10 to 20 mph. * Chance of lightning...25 percent. * CWR...................20 percent. .Forecast days 3 through 7...... .SATURDAY NIGHT...Mostly clear. Lows 50 to 58. West winds 5 to 15 mph. .SUNDAY...Mostly clear. Lows 53 to 60. Highs 75 to 84. West winds 5 to 10 mph. .MONDAY...Mostly clear. Lows 54 to 60. Highs 76 to 86. West winds 5 to 10 mph. .TUESDAY...Partly cloudy. Isolated showers and thunderstorms. Lows 49 to 55. Highs 74 to 83. North winds 5 to 15 mph. .WEDNESDAY...Partly cloudy. Scattered showers and isolated thunderstorms. Lows 48 to 54. Highs 70 to 78. .THURSDAY...Mostly sunny. Highs 70 to 80. $$ MTZ127-292215- Golden Valley County/Musselshell county- 251 AM MDT Fri Aug 29 2025 .Today... * Sky/weather...........Mostly cloudy. Scattered rain showers in the morning, then numerous rain showers and scattered thunderstorms in the afternoon. * Max temperature.......71-76. * 24 hr trend.........3 degrees cooler. * Min humidity..........53-58 percent. * 24 hr trend.........15 percent wetter. * Wind (20 ft) * Plains...............North winds 5 to 10 mph. * Chance of lightning...33 percent. * CWR...................50 percent. .TONIGHT... * Sky/weather...........Cloudy. Scattered showers and thunderstorms in the evening, then scattered rain showers overnight. Patchy fog overnight. * Min temperature.......55-60. * 24 hr trend.........2 degrees cooler. * Max humidity..........84-89 percent. * 24 hr trend.........2 percent wetter. * Wind (20 ft) * Plains...............Northwest winds 5 to 10 mph. * Chance of lightning...28 percent. * CWR...................10 percent. .SATURDAY... * Sky/weather...........Patchy fog in the morning. Mostly sunny with isolated rain showers. * Max temperature.......74-79. * 24 hr trend.........3 degrees warmer. * Min humidity..........38-43 percent. * 24 hr trend.........15 percent drier. * Wind (20 ft) * Plains...............Northwest winds 5 to 10 mph. * Chance of lightning...14 percent. * CWR...................Less than 10 percent. .Forecast days 3 through 7...... .SATURDAY NIGHT...Mostly clear. Lows 55 to 60. Southeast winds 5 to 10 mph. .SUNDAY...Mostly clear. Lows 56 to 61. Highs 82 to 87. Northwest winds 5 to 10 mph. .MONDAY...Mostly clear. Lows 56 to 61. Highs 82 to 87. North winds 5 to 10 mph. .TUESDAY...Partly cloudy. Isolated showers. Lows 50 to 55. Highs 76 to 81. North winds 5 to 15 mph. .WEDNESDAY...Partly cloudy. Lows 48 to 53. Highs 71 to 76. .THURSDAY...Sunny. Highs 76 to 81. $$ MTZ128-292215- Yellowstone County- 251 AM MDT Fri Aug 29 2025 .Today... * Sky/weather...........Partly sunny. Scattered rain showers in the morning, then scattered rain showers and isolated thunderstorms in the afternoon. * Max temperature.......77-82. * 24 hr trend.........Unchanged. * Min humidity..........45-50 percent. * 24 hr trend.........9 percent wetter. * Wind (20 ft) * Plains...............Northwest winds 5 to 15 mph. * Chance of lightning...24 percent. * CWR...................30 percent. .TONIGHT... * Sky/weather...........Mostly cloudy. Scattered rain showers and isolated thunderstorms in the evening, then isolated rain showers overnight. Patchy fog overnight. * Min temperature.......55-60. * 24 hr trend.........4 degrees cooler. * Max humidity..........88-93 percent. * 24 hr trend.........3 percent wetter. * Wind (20 ft) * Plains...............Northwest winds 5 to 10 mph. * Chance of lightning...18 percent. * CWR...................20 percent. .SATURDAY... * Sky/weather...........Mostly sunny. Patchy fog in the morning. Isolated rain showers in the morning, then isolated showers and thunderstorms in the afternoon. * Max temperature.......79-84. * 24 hr trend.........2 degrees warmer. * Min humidity..........32-37 percent. * 24 hr trend.........13 percent drier. * Wind (20 ft) * Plains...............Northwest winds 5 to 10 mph. * Chance of lightning...15 percent. * CWR...................Less than 10 percent. .Forecast days 3 through 7...... .SATURDAY NIGHT...Mostly clear. Lows 53 to 58. Southeast winds 5 to 10 mph. .SUNDAY...Mostly clear. Lows 55 to 60. Highs 86 to 91. Northwest winds 5 to 10 mph. .MONDAY...Mostly clear. Lows 56 to 61. Highs 86 to 91. Northeast winds 5 to 10 mph. .TUESDAY...Partly cloudy. Isolated showers. Lows 51 to 56. Highs 81 to 86. North winds 5 to 15 mph. .WEDNESDAY...Partly cloudy. Lows 48 to 53. Highs 76 to 81. .THURSDAY...Sunny. Highs 79 to 84. $$ MTZ129-292215- Crow Indian Reservation/Bighorn Canyon Rec Area- 251 AM MDT Fri Aug 29 2025 .Today... * Sky/weather...........Partly sunny. Scattered rain showers in the morning, then numerous rain showers and scattered thunderstorms in the afternoon. * Max temperature.......67-77 at 5000 feet...57-67 at 7000 feet. * 24 hr trend.........Unchanged. * Min humidity..........45-55 percent at 5000 feet...57-67 percent at 7000 feet. * 24 hr trend.........8 percent wetter. * Wind (20 ft) * Slope/valley.........Northwest winds 5 to 15 mph. * Ridgetop.............Northwest 10 to 20 mph. * Chance of lightning...29 percent. * CWR...................40 percent. .TONIGHT... * Sky/weather...........Mostly cloudy. Scattered showers and thunderstorms in the evening, then scattered rain showers overnight. Patchy fog overnight. * Min temperature.......52-57 at 5000 feet...49-54 at 7000 feet. * 24 hr trend.........2 degrees cooler. * Max humidity..........76-86 percent at 5000 feet...73-83 percent at 7000 feet. * 24 hr trend.........3 percent drier. * Wind (20 ft) * Slope/valley.........Northwest winds 5 to 10 mph. * Ridgetop.............Northwest 5 to 15 mph. * Chance of lightning...29 percent. * CWR...................40 percent. .SATURDAY... * Sky/weather...........Patchy fog in the morning. Mostly cloudy with scattered rain showers in the morning, then mostly sunny with scattered showers and thunderstorms in the afternoon. * Max temperature.......68-78 at 5000 feet...59-68 at 7000 feet. * 24 hr trend.........Unchanged. * Min humidity..........38-48 percent at 5000 feet...48-58 percent at 7000 feet. * 24 hr trend.........6 percent drier. * Wind (20 ft) * Slope/valley.........Northwest winds 5 to 15 mph. * Ridgetop.............Northwest 10 to 20 mph. * Chance of lightning...26 percent. * CWR...................20 percent. .Forecast days 3 through 7...... .SATURDAY NIGHT...Partly cloudy. Lows 53 to 59. Southeast winds 5 to 10 mph. .SUNDAY...Mostly clear. Lows 55 to 60. Highs 75 to 85. Southwest winds 5 to 15 mph. .MONDAY...Mostly clear. Lows 55 to 60. Highs 76 to 86. North winds 5 to 10 mph. .TUESDAY...Partly cloudy. Isolated showers and thunderstorms. Lows 50 to 55. Highs 72 to 82. North winds 5 to 15 mph. .WEDNESDAY...Partly cloudy. Lows 47 to 53. Highs 67 to 77. .THURSDAY...Mostly sunny. Highs 69 to 79. $$ MTZ130-292215- Northern Rosebud/Northern Treasure Counties- 251 AM MDT Fri Aug 29 2025 .Today... * Sky/weather...........Partly sunny. Isolated rain showers in the morning, then scattered rain showers and isolated thunderstorms in the afternoon. * Max temperature.......76-81. * 24 hr trend.........3 degrees cooler. * Min humidity..........45-50 percent. * 24 hr trend.........17 percent wetter. * Wind (20 ft) * Plains...............West winds 5 to 10 mph in the morning shifting to the southeast in the afternoon. * Chance of lightning...22 percent. * CWR...................20 percent. .TONIGHT... * Sky/weather...........Mostly cloudy. Scattered showers and thunderstorms in the evening, then scattered rain showers and isolated thunderstorms overnight. Patchy fog overnight. * Min temperature.......57-62. * 24 hr trend.........2 degrees cooler. * Max humidity..........88-93 percent. * 24 hr trend.........7 percent wetter. * Wind (20 ft) * Plains...............Northwest winds 5 to 10 mph. * Chance of lightning...30 percent. * CWR...................30 percent. .SATURDAY... * Sky/weather...........Partly sunny. Patchy fog in the morning. Scattered rain showers in the morning, then scattered rain showers and isolated thunderstorms in the afternoon. * Max temperature.......76-81. * 24 hr trend.........Unchanged. * Min humidity..........44-49 percent. * 24 hr trend.........1 percent drier. * Wind (20 ft) * Plains...............Southwest winds 5 to 10 mph. * Chance of lightning...23 percent. * CWR...................10 percent. .Forecast days 3 through 7...... .SATURDAY NIGHT...Partly cloudy. Lows 54 to 59. Southeast winds 5 to 10 mph. .SUNDAY...Mostly clear. Lows 55 to 60. Highs 84 to 89. Southwest winds 5 to 10 mph. .MONDAY...Mostly clear. Lows 56 to 61. Highs 85 to 90. Northwest winds 5 to 10 mph. .TUESDAY...Partly cloudy. Isolated showers. Lows 49 to 54. Highs 79 to 84. North winds 5 to 15 mph. .WEDNESDAY...Partly cloudy. Lows 46 to 51. Highs 72 to 77. .THURSDAY...Mostly sunny. Highs 76 to 81. $$ MTZ131-292215- Northern Cheyenne Indian Reservation/Ashland Ranger District Custer Natl Forest- 251 AM MDT Fri Aug 29 2025 .Today... * Sky/weather...........Mostly sunny. Scattered rain showers in the morning, then scattered showers and thunderstorms in the afternoon. * Max temperature.......73-78. * 24 hr trend.........Unchanged. * Min humidity..........52-57 percent. * 24 hr trend.........11 percent wetter. * Wind (20 ft) * Slope/valley.........Northwest winds 5 to 15 mph. * Ridgetop.............Northwest 5 to 15 mph. * Chance of lightning...33 percent. * CWR...................40 percent. .TONIGHT... * Sky/weather...........Mostly cloudy. Scattered showers and thunderstorms in the evening, then scattered rain showers and isolated thunderstorms overnight. Patchy fog overnight. * Min temperature.......52-57. * 24 hr trend.........2 degrees cooler. * Max humidity..........91-96 percent. * 24 hr trend.........1 percent drier. * Wind (20 ft) * Slope/valley.........Northwest winds 5 to 10 mph. * Ridgetop.............North 5 to 15 mph. * Chance of lightning...30 percent. * CWR...................20 percent. .SATURDAY... * Sky/weather...........Mostly cloudy. Patchy fog in the morning. Scattered rain showers and isolated thunderstorms in the morning, then scattered showers and thunderstorms in the afternoon. * Max temperature.......72-77. * 24 hr trend.........1 degree cooler. * Min humidity..........49-54 percent. * 24 hr trend.........3 percent drier. * Wind (20 ft) * Slope/valley.........North winds 5 to 10 mph. * Ridgetop.............Northwest 5 to 15 mph. * Chance of lightning...34 percent. * CWR...................30 percent. .Forecast days 3 through 7...... .SATURDAY NIGHT...Partly cloudy. Lows 49 to 54. Southeast winds 5 to 10 mph. .SUNDAY...Mostly clear. Lows 51 to 56. Highs 81 to 86. West winds 5 to 10 mph. .MONDAY...Mostly clear. Lows 52 to 57. Highs 83 to 88. Northwest winds 5 to 10 mph. .TUESDAY...Partly cloudy. Isolated showers and thunderstorms. Lows 47 to 52. Highs 80 to 85. North winds 5 to 15 mph. .WEDNESDAY...Partly cloudy. Lows 43 to 48. Highs 71 to 76. .THURSDAY...Mostly sunny. Highs 76 to 81. $$ MTZ132-292215- Custer County- 251 AM MDT Fri Aug 29 2025 .Today... * Sky/weather...........Partly sunny. Isolated rain showers in the morning, then scattered rain showers and isolated thunderstorms in the afternoon. * Max temperature.......72-77. * 24 hr trend.........11 degrees cooler. * Min humidity..........49-54 percent. * 24 hr trend.........30 percent wetter. * Wind (20 ft) * Plains...............East winds 5 to 10 mph. * Chance of lightning...17 percent. * CWR...................10 percent. .TONIGHT... * Sky/weather...........Mostly cloudy with scattered rain showers and isolated thunderstorms. * Min temperature.......56-61. * 24 hr trend.........2 degrees cooler. * Max humidity..........88-93 percent. * 24 hr trend.........8 percent wetter. * Wind (20 ft) * Plains...............Southwest winds 5 to 10 mph in the evening shifting to the north overnight. * Chance of lightning...17 percent. * CWR...................Zero. .SATURDAY... * Sky/weather...........Mostly cloudy. Scattered rain showers in the morning, then scattered rain showers and isolated thunderstorms in the afternoon. * Max temperature.......72-77. * 24 hr trend.........Unchanged. * Min humidity..........51-56 percent. * 24 hr trend.........2 percent wetter. * Wind (20 ft) * Plains...............East winds 5 to 10 mph. * Chance of lightning...20 percent. * CWR...................20 percent. .Forecast days 3 through 7...... .SATURDAY NIGHT...Mostly cloudy. Lows 54 to 59. Southeast winds 5 to 10 mph. .SUNDAY...Mostly clear. Lows 55 to 60. Highs 78 to 83. South winds 5 to 10 mph. .MONDAY...Mostly clear. Lows 55 to 60. Highs 82 to 87. Northwest winds 5 to 10 mph. .TUESDAY...Partly cloudy. Isolated showers. Lows 46 to 51. Highs 75 to 80. North winds 5 to 15 mph. .WEDNESDAY...Partly cloudy. Lows 43 to 48. Highs 66 to 71. .THURSDAY...Sunny. Highs 72 to 77. $$ MTZ133-292215- Sioux Ranger District Custer National Forest- 251 AM MDT Fri Aug 29 2025 .Today... * Sky/weather...........Mostly cloudy. Scattered rain showers and isolated thunderstorms in the morning, then numerous rain showers and scattered thunderstorms in the afternoon. * Max temperature.......71-76. * 24 hr trend.........8 degrees cooler. * Min humidity..........59-64 percent. * 24 hr trend.........32 percent wetter. * Wind (20 ft) * Plains...............East winds 5 to 15 mph. * Chance of lightning...34 percent. * CWR...................30 percent. .TONIGHT... * Sky/weather...........Mostly cloudy. Numerous rain showers and scattered thunderstorms in the evening, then scattered rain showers and isolated thunderstorms overnight. Patchy fog overnight. * Min temperature.......54-59. * 24 hr trend.........4 degrees cooler. * Max humidity..........100 percent. * 24 hr trend.........3 percent wetter. * Wind (20 ft) * Plains...............Northeast winds 5 to 10 mph. * Chance of lightning...39 percent. * CWR...................40 percent. .SATURDAY... * Sky/weather...........Mostly cloudy. Patchy fog in the morning. Numerous rain showers and isolated thunderstorms in the morning, then numerous rain showers and scattered thunderstorms in the afternoon. * Max temperature.......69-74. * 24 hr trend.........2 degrees cooler. * Min humidity..........66-71 percent. * 24 hr trend.........7 percent wetter. * Wind (20 ft) * Plains...............Northeast winds 5 to 10 mph. * Chance of lightning...30 percent. * CWR...................40 percent. .Forecast days 3 through 7...... .SATURDAY NIGHT...Mostly cloudy. Scattered showers and isolated thunderstorms. Lows 52 to 57. Southeast winds 5 to 10 mph. .SUNDAY...Mostly clear. Lows 52 to 57. Highs 77 to 82. Southeast winds 5 to 10 mph. .MONDAY...Mostly clear. Lows 53 to 58. Highs 82 to 87. Northwest winds 5 to 10 mph. .TUESDAY...Partly cloudy. Scattered showers. Lows 47 to 52. Highs 79 to 84. Northwest winds 5 to 15 mph. .WEDNESDAY...Not as warm. Partly cloudy. Lows 43 to 48. Highs 68 to 73. .THURSDAY...Sunny. Highs 73 to 78. $$ WYZ274-292215- Sheridan County- 251 AM MDT Fri Aug 29 2025 .Today... * Sky/weather...........Mostly sunny. Scattered rain showers in the morning, then numerous rain showers and scattered thunderstorms in the afternoon. * Max temperature.......74-79. * 24 hr trend.........Unchanged. * Min humidity..........50-55 percent. * 24 hr trend.........9 percent wetter. * Wind (20 ft) * Slope/valley.........Northwest winds 5 to 15 mph. * Ridgetop.............Northwest 10 to 20 mph. * Chance of lightning...37 percent. * CWR...................30 percent. .TONIGHT... * Sky/weather...........Mostly cloudy. Scattered showers and thunderstorms in the evening, then scattered rain showers overnight. * Min temperature.......48-53. * 24 hr trend.........5 degrees cooler. * Max humidity..........100 percent. * 24 hr trend.........Unchanged. * Wind (20 ft) * Slope/valley.........West winds 5 to 10 mph in the evening becoming light overnight. * Ridgetop.............Northwest 10 to 20 mph. * Chance of lightning...28 percent. * CWR...................20 percent. .SATURDAY... * Sky/weather...........Partly sunny. Scattered rain showers and isolated thunderstorms in the morning, then scattered showers and thunderstorms in the afternoon. * Max temperature.......74-79. * 24 hr trend.........Unchanged. * Min humidity..........44-49 percent. * 24 hr trend.........6 percent drier. * Wind (20 ft) * Slope/valley.........North winds 5 to 10 mph. * Ridgetop.............Northwest 15 to 25 mph. * Chance of lightning...36 percent. * CWR...................30 percent. .Forecast days 3 through 7...... .SATURDAY NIGHT...Mostly clear. Lows 46 to 51. Southwest winds 5 to 10 mph. .SUNDAY...Mostly clear. Lows 48 to 53. Highs 81 to 86. West winds 5 to 10 mph. .MONDAY...Mostly clear. Lows 49 to 54. Highs 82 to 87. West winds 5 to 10 mph. .TUESDAY...Partly cloudy. Isolated showers and thunderstorms. Lows 46 to 51. Highs 81 to 86. North winds 5 to 15 mph. .WEDNESDAY...Partly cloudy. Isolated showers. Lows 42 to 47. Highs 73 to 78. .THURSDAY...Mostly sunny. Highs 76 to 81. $$ WYZ284-292215- Bighorn National Forest- 251 AM MDT Fri Aug 29 2025 .Today... * Sky/weather...........Partly sunny. Scattered rain showers in the morning, then numerous rain showers and scattered thunderstorms in the afternoon. * Max temperature.......57-62. * 24 hr trend.........Unchanged. * Min humidity..........65-70 percent. * 24 hr trend.........16 percent wetter. * Wind (20 ft) * At Burgess Jct.......Northwest winds 5 to 15 mph. * Chance of lightning...37 percent. * CWR...................60 percent. .TONIGHT... * Sky/weather...........Mostly cloudy. Scattered showers and thunderstorms in the evening, then isolated rain showers overnight. * Min temperature.......39-44. * 24 hr trend.........2 degrees cooler. * Max humidity..........100 percent. * 24 hr trend.........Unchanged. * Wind (20 ft) * At Burgess Jct.......West winds 5 to 10 mph. * Chance of lightning...29 percent. * CWR...................40 percent. .SATURDAY... * Sky/weather...........Partly sunny. Scattered rain showers and isolated thunderstorms in the morning, then numerous rain showers and scattered thunderstorms in the afternoon. * Max temperature.......57-62. * 24 hr trend.........Unchanged. * Min humidity..........53-58 percent. * 24 hr trend.........12 percent drier. * Wind (20 ft) * At Burgess Jct.......Northwest winds 5 to 15 mph. * Chance of lightning...34 percent. * CWR...................40 percent. .Forecast days 3 through 7...... .SATURDAY NIGHT...Mostly clear. Isolated showers. Lows 38 to 43. West winds 5 to 15 mph. .SUNDAY...Mostly clear. Lows 41 to 46. Highs 64 to 69. West winds 5 to 15 mph. .MONDAY...Mostly clear. Lows 42 to 47. Highs 66 to 71. West winds 5 to 15 mph. .TUESDAY...Partly cloudy. Scattered showers and isolated thunderstorms. Lows 38 to 43. Highs 64 to 69. Northwest winds 5 to 15 mph. .WEDNESDAY...Partly cloudy. Scattered showers and isolated thunderstorms. Lows 35 to 40. Highs 58 to 63. .THURSDAY...Mostly sunny. Highs 60 to 65. $$ weather.gov/billings