Routine Fire Wx Fcst (With/Without 6-10 Day Outlook)
Issued by NWS Billings, MT
Issued by NWS Billings, MT
145 FNUS55 KBYZ 190918 FWFBYZ Fire Weather Planning Forecast for SCen and SErn Montana National Weather Service Billings MT 318 AM MDT Thu Jun 19 2025 .DISCUSSION... Unsettled conditions will continue into next week. Temperatures over the lower elevations will warm to 80s and 90s today and Friday, cooling to 60s and 70s by Sunday and increasing towards normal early next week. Afternoon RH will range from upper teens to 30% today, increasing to 30-50% by the weekend. Expect occasionally breezy conditions over the weekend. Archer MTZ123-192245- Gallatin National Forest- 318 AM MDT Thu Jun 19 2025 .Today... * Sky/weather...........Sunny in the morning, then partly sunny with scattered showers and thunderstorms in the afternoon. * Max temperature.......80-90 at 5000 feet...70-80 at 7000 feet. * 24 hr trend.........2 degrees warmer. * Min humidity..........19-24 percent. * 24 hr trend.........Unchanged. * Wind (20 ft) * Slope/valley.........South winds 5 to 10 mph in the morning shifting to the northwest in the afternoon. * Ridgetop.............Southwest 10 to 20 mph. * Chance of lightning...30 percent. * CWR...................15 percent. .TONIGHT... * Sky/weather...........Mostly cloudy. Scattered showers and thunderstorms in the evening, then scattered rain showers overnight. * Min temperature.......48-56 at 5000 feet...44-53 at 7000 feet. * 24 hr trend.........1 degree cooler. * Max humidity..........72-82 percent at 5000 feet...65-75 percent at 7000 feet. * 24 hr trend.........26 percent wetter. * Wind (20 ft) * Slope/valley.........Southeast winds 5 to 10 mph. * Ridgetop.............Southwest 5 to 15 mph. * Chance of lightning...29 percent. * CWR...................20 percent. .FRIDAY... * Sky/weather...........Mostly cloudy. Scattered rain showers in the morning, then numerous rain showers and scattered thunderstorms in the afternoon. * Max temperature.......75-85 at 5000 feet...64-74 at 7000 feet. * 24 hr trend.........4 degrees cooler. * Min humidity..........24-34 percent at 5000 feet...30-40 percent at 7000 feet. * 24 hr trend.........1 percent drier. * Wind (20 ft) * Slope/valley.........South winds 5 to 15 mph. * Ridgetop.............Southwest 15 to 30 mph. * Chance of lightning...39 percent. * CWR...................20 percent. .Forecast days 3 through 7...... .FRIDAY NIGHT...Colder, cloudy. Numerous showers and scattered thunderstorms. Lows 43 to 53. West winds 5 to 15 mph. .SATURDAY...Cooler. Mostly cloudy. Numerous showers, snow showers and scattered thunderstorms. Lows 35 to 45. Highs 62 to 71. West winds 5 to 15 mph. .SUNDAY...Cooler. Mostly cloudy. Showers, snow showers and scattered thunderstorms. Lows 32 to 42. Highs 53 to 63. West winds 5 to 10 mph. .MONDAY...Warmer. Partly cloudy. Scattered showers and thunderstorms. Lows 36 to 46. Highs 62 to 72. Southwest winds 5 to 10 mph. .TUESDAY...Partly cloudy. Scattered showers and thunderstorms. Lows 40 to 50. Highs 68 to 78. .WEDNESDAY...Mostly sunny. Scattered showers and thunderstorms. Highs 72 to 82. $$ MTZ124-192245- Wheatland County/Sweet Grass County- 318 AM MDT Thu Jun 19 2025 .Today... * Sky/weather...........Sunny in the morning, then partly sunny with scattered showers and thunderstorms in the afternoon. * Max temperature.......80-85. * 24 hr trend.........1 degree warmer. * Min humidity..........28-33 percent. * 24 hr trend.........7 percent wetter. * Wind (20 ft) * Plains...............Northwest winds 5 to 15 mph in the morning shifting to the east in the afternoon. * Chance of lightning...27 percent. * CWR...................15 percent. .TONIGHT... * Sky/weather...........Mostly cloudy. Numerous rain showers and scattered thunderstorms in the evening, then scattered rain showers overnight. * Min temperature.......53-58. * 24 hr trend.........5 degrees warmer. * Max humidity..........77-82 percent. * 24 hr trend.........18 percent wetter. * Wind (20 ft) * Plains...............Northeast winds 5 to 15 mph in the evening shifting to the south 5 to 10 mph overnight. * Chance of lightning...40 percent. * CWR...................40 percent. .FRIDAY... * Sky/weather...........Mostly cloudy. Scattered rain showers in the morning, then numerous rain showers and scattered thunderstorms in the afternoon. * Max temperature.......74-79. * 24 hr trend.........6 degrees cooler. * Min humidity..........45-50 percent. * 24 hr trend.........17 percent wetter. * Wind (20 ft) * Plains...............Southeast winds 10 to 20 mph. * Chance of lightning...49 percent. * CWR...................30 percent. .Forecast days 3 through 7...... .FRIDAY NIGHT...Mostly cloudy. Showers and scattered thunderstorms. Lows 48 to 53. North winds 10 to 20 mph. .SATURDAY...Cooler. Mostly cloudy. Numerous showers and scattered thunderstorms. Lows 39 to 44. Highs 64 to 69. West winds 15 to 25 mph with gusts to around 35 mph. .SUNDAY...Cooler. Mostly cloudy. Showers and scattered thunderstorms. Lows 34 to 39. Highs 53 to 58. Northwest winds 10 to 20 mph with gusts to around 30 mph. .MONDAY...Partly cloudy. Scattered showers and isolated thunderstorms. Lows 39 to 44. Highs 63 to 68. Southwest winds 5 to 15 mph. .TUESDAY...Partly cloudy. Scattered showers and thunderstorms. Lows 43 to 48. Highs 69 to 74. .WEDNESDAY...Mostly sunny. Scattered showers and isolated thunderstorms. Highs 72 to 77. $$ MTZ125-192245- Stillwater County- 318 AM MDT Thu Jun 19 2025 .Today... * Sky/weather...........Sunny in the morning, then partly sunny with isolated showers and thunderstorms in the afternoon. * Max temperature.......83-88. * 24 hr trend.........5 degrees warmer. * Min humidity..........28-33 percent. * 24 hr trend.........1 percent wetter. * Wind (20 ft) * Plains...............West winds 5 to 10 mph in the morning shifting to the east in the afternoon. * Chance of lightning...15 percent. * CWR...................Less than 10 percent. .TONIGHT... * Sky/weather...........Partly cloudy. Scattered showers and thunderstorms in the evening, then isolated rain showers overnight. * Min temperature.......52-57. * 24 hr trend.........1 degree cooler. * Max humidity..........71-76 percent. * 24 hr trend.........23 percent wetter. * Wind (20 ft) * Plains...............Northwest winds 5 to 10 mph. * Chance of lightning...28 percent. * CWR...................20 percent. .FRIDAY... * Sky/weather...........Mostly sunny. Isolated rain showers in the morning, then scattered showers and thunderstorms in the afternoon. * Max temperature.......78-83. * 24 hr trend.........5 degrees cooler. * Min humidity..........33-38 percent. * 24 hr trend.........5 percent wetter. * Wind (20 ft) * Plains...............Northwest winds 5 to 10 mph in the morning shifting to the southeast 5 to 15 mph in the afternoon. * Chance of lightning...40 percent. * CWR...................20 percent. .Forecast days 3 through 7...... .FRIDAY NIGHT...Mostly cloudy. Scattered showers and thunderstorms. Lows 50 to 55. West winds 5 to 10 mph. .SATURDAY...Mostly cloudy. Numerous showers and scattered thunderstorms. Lows 41 to 46. Highs 72 to 77. Northwest winds 5 to 15 mph. .SUNDAY...Cooler. Mostly cloudy. Showers and scattered thunderstorms. Lows 38 to 43. Highs 57 to 62. Northwest winds 5 to 15 mph. .MONDAY...Partly cloudy. Scattered showers and thunderstorms. Lows 41 to 46. Highs 64 to 69. Southeast winds 5 to 10 mph. .TUESDAY...Partly cloudy. Scattered showers and thunderstorms. Lows 46 to 51. Highs 69 to 74. .WEDNESDAY...Mostly sunny. Scattered showers and thunderstorms. Highs 73 to 78. $$ MTZ126-192245- Beartooth Ranger District Custer National Forest- 318 AM MDT Thu Jun 19 2025 .Today... * Sky/weather...........Mostly sunny. Isolated showers and thunderstorms in the afternoon. * Max temperature.......81-90 at 5000 feet...72-82 at 7000 feet. * 24 hr trend.........8 degrees warmer. * Min humidity..........18-28 percent at 5000 feet...22-32 percent at 7000 feet. * 24 hr trend.........2 percent wetter. * Wind (20 ft) * Slope/valley.........Southwest winds 5 to 15 mph. * Ridgetop.............Southwest 10 to 20 mph. * Chance of lightning...20 percent. * CWR...................Less than 10 percent. .TONIGHT... * Sky/weather...........Mostly cloudy with scattered rain showers and isolated thunderstorms in the evening, then mostly clear overnight. * Min temperature.......53-61 at 5000 feet...46-56 at 7000 feet. * 24 hr trend.........3 degrees cooler. * Max humidity..........60-70 percent at 5000 feet...57-67 percent at 7000 feet. * 24 hr trend.........20 percent wetter. * Wind (20 ft) * Slope/valley.........West winds 5 to 15 mph. * Ridgetop.............South 5 to 10 mph. * Chance of lightning...22 percent. * CWR...................15 percent. .FRIDAY... * Sky/weather...........Mostly sunny. Isolated rain showers in the morning, then scattered showers and thunderstorms in the afternoon. * Max temperature.......78-85 at 5000 feet...69-79 at 7000 feet. * 24 hr trend.........4 degrees cooler. * Min humidity..........27-37 percent at 5000 feet...29-39 percent at 7000 feet. * 24 hr trend.........9 percent wetter. * Wind (20 ft) * Slope/valley.........Southwest winds 5 to 15 mph. * Ridgetop.............Southwest 10 to 20 mph. * Chance of lightning...37 percent. * CWR...................30 percent. .Forecast days 3 through 7...... .FRIDAY NIGHT...Mostly cloudy. Scattered showers and isolated thunderstorms. Lows 51 to 57. West winds 5 to 15 mph. .SATURDAY...Mostly cloudy. Numerous snow showers with possible showers and thunderstorms. Lows 41 to 48. Highs 71 to 78. West winds 10 to 20 mph with gusts to around 30 mph. .SUNDAY...Colder. Mostly cloudy. Snow showers and scattered thunderstorms. Lows 39 to 45. Highs 53 to 61. Northwest winds 5 to 15 mph. .MONDAY...Mostly cloudy. Scattered showers and thunderstorms. Lows 44 to 51. Highs 61 to 69. Northeast winds 5 to 15 mph. .TUESDAY...Mostly cloudy. Scattered showers and thunderstorms. Lows 46 to 53. Highs 66 to 73. .WEDNESDAY...Mostly sunny. Scattered showers and thunderstorms. Highs 69 to 78. $$ MTZ127-192245- Golden Valley County/Musselshell county- 318 AM MDT Thu Jun 19 2025 .Today... * Sky/weather...........Sunny. * Max temperature.......81-86. * 24 hr trend.........3 degrees warmer. * Min humidity..........25-30 percent. * 24 hr trend.........6 percent wetter. * Wind (20 ft) * Plains...............North winds 5 to 10 mph. * Chance of lightning...4 percent. * CWR...................Less than 5 percent. .TONIGHT... * Sky/weather...........Mostly cloudy. Scattered showers and thunderstorms in the evening, then isolated rain showers overnight. * Min temperature.......57-62. * 24 hr trend.........1 degree cooler. * Max humidity..........54-59 percent. * 24 hr trend.........8 percent wetter. * Wind (20 ft) * Plains...............Northeast winds 5 to 15 mph. * Chance of lightning...32 percent. * CWR...................20 percent. .FRIDAY... * Sky/weather...........Mostly sunny. Isolated rain showers in the morning, then scattered showers and thunderstorms in the afternoon. * Max temperature.......78-83. * 24 hr trend.........3 degrees cooler. * Min humidity..........32-37 percent. * 24 hr trend.........7 percent wetter. * Wind (20 ft) * Plains...............Northeast winds 5 to 15 mph. * Chance of lightning...25 percent. * CWR...................20 percent. .Forecast days 3 through 7...... .FRIDAY NIGHT...Mostly cloudy. Numerous showers and scattered thunderstorms. Lows 55 to 60. Northeast winds 5 to 15 mph. .SATURDAY...Mostly cloudy. Numerous showers and isolated thunderstorms. Lows 45 to 50. Highs 69 to 74. Northwest winds 10 to 20 mph. .SUNDAY...Cooler. Mostly cloudy. Numerous showers and isolated thunderstorms. Lows 41 to 46. Highs 53 to 58. Northwest winds 5 to 15 mph. .MONDAY...Partly cloudy. Isolated showers and thunderstorms. Lows 47 to 52. Highs 63 to 68. Southeast winds 5 to 10 mph. .TUESDAY...Partly cloudy. Scattered showers and thunderstorms. Lows 51 to 56. Highs 68 to 73. .WEDNESDAY...Mostly sunny. Scattered showers and isolated thunderstorms. Highs 72 to 77. $$ MTZ128-192245- Yellowstone County- 318 AM MDT Thu Jun 19 2025 .Today... * Sky/weather...........Sunny. * Max temperature.......86-91. * 24 hr trend.........1 degree warmer. * Min humidity..........22-27 percent. * 24 hr trend.........5 percent wetter. * Wind (20 ft) * Plains...............West winds 5 to 10 mph in the morning shifting to the northeast 5 to 15 mph in the afternoon. * Chance of lightning...5 percent. * CWR...................Less than 5 percent. .TONIGHT... * Sky/weather...........Partly cloudy. Isolated showers and thunderstorms in the evening. * Min temperature.......57-62. * 24 hr trend.........1 degree warmer. * Max humidity..........68-73 percent. * 24 hr trend.........10 percent wetter. * Wind (20 ft) * Plains...............North winds 5 to 15 mph. * Chance of lightning...23 percent. * CWR...................20 percent. .FRIDAY... * Sky/weather...........Mostly sunny. Isolated showers and thunderstorms in the afternoon. * Max temperature.......83-88. * 24 hr trend.........3 degrees cooler. * Min humidity..........32-37 percent. * 24 hr trend.........10 percent wetter. * Wind (20 ft) * Plains...............North winds 5 to 15 mph in the morning shifting to the east in the afternoon. * Chance of lightning...19 percent. * CWR...................10 percent. .Forecast days 3 through 7...... .FRIDAY NIGHT...Mostly cloudy. Scattered showers and thunderstorms. Lows 55 to 60. Northeast winds 5 to 15 mph. .SATURDAY...Mostly cloudy. Numerous showers and isolated thunderstorms. Lows 46 to 51. Highs 76 to 81. Northwest winds 10 to 20 mph. .SUNDAY...Cooler. Mostly cloudy. Numerous showers and isolated thunderstorms. Lows 42 to 47. Highs 60 to 65. Northwest winds 5 to 15 mph. .MONDAY...Partly cloudy. Lows 47 to 52. Highs 68 to 73. East winds 5 to 15 mph. .TUESDAY...Partly cloudy. Isolated showers and thunderstorms. Lows 50 to 55. Highs 74 to 79. .WEDNESDAY...Mostly sunny. Scattered showers and isolated thunderstorms. Highs 78 to 83. $$ MTZ129-192245- Crow Indian Reservation/Bighorn Canyon Rec Area- 318 AM MDT Thu Jun 19 2025 .Today... * Sky/weather...........Sunny. * Max temperature.......78-88 at 5000 feet...72-78 at 7000 feet. * 24 hr trend.........5 degrees warmer. * Min humidity..........18-28 percent at 5000 feet...21-30 percent at 7000 feet. * 24 hr trend.........8 percent drier. * Wind (20 ft) * Slope/valley.........West winds 5 to 15 mph in the morning shifting to the northeast in the afternoon. * Ridgetop.............West 15 to 25 mph. * Chance of lightning...4 percent. * CWR...................Less than 5 percent. .TONIGHT... * Sky/weather...........Partly cloudy. Isolated showers and thunderstorms in the evening. * Min temperature.......54-61 at 5000 feet...51-56 at 7000 feet. * 24 hr trend.........2 degrees cooler. * Max humidity..........60-70 percent at 5000 feet...53-63 percent at 7000 feet. * 24 hr trend.........17 percent wetter. * Wind (20 ft) * Slope/valley.........East winds 5 to 15 mph. * Ridgetop.............South 10 to 20 mph. * Chance of lightning...17 percent. * CWR...................Less than 10 percent. .FRIDAY... * Sky/weather...........Sunny. * Max temperature.......76-86 at 5000 feet...70-76 at 7000 feet. * 24 hr trend.........3 degrees cooler. * Min humidity..........26-36 percent at 5000 feet...31-41 percent at 7000 feet. * 24 hr trend.........6 percent wetter. * Wind (20 ft) * Slope/valley.........North winds 5 to 15 mph. * Ridgetop.............Southwest 15 to 30 mph. * Chance of lightning...12 percent. * CWR...................Less than 10 percent. .Forecast days 3 through 7...... .FRIDAY NIGHT...Partly cloudy. Isolated showers and thunderstorms. Lows 51 to 58. Southeast winds 5 to 15 mph. .SATURDAY...Mostly cloudy. Numerous showers and scattered thunderstorms. Lows 42 to 48. Highs 68 to 78. Northwest winds 10 to 20 mph. .SUNDAY...Cooler. Mostly cloudy. Numerous showers and isolated thunderstorms. Lows 38 to 45. Highs 50 to 60. Northwest winds 5 to 15 mph. .MONDAY...Partly cloudy. Scattered showers and thunderstorms. Lows 44 to 50. Highs 59 to 69. Southeast winds 5 to 15 mph. .TUESDAY...Mostly cloudy. Scattered showers and thunderstorms. Lows 48 to 53. Highs 63 to 73. .WEDNESDAY...Partly sunny. Scattered showers and thunderstorms. Highs 67 to 77. $$ MTZ130-192245- Northern Rosebud/Northern Treasure Counties- 318 AM MDT Thu Jun 19 2025 .Today... * Sky/weather...........Sunny. * Max temperature.......88-93. * 24 hr trend.........5 degrees warmer. * Min humidity..........16-21 percent. * 24 hr trend.........Unchanged. * Wind (20 ft) * Plains...............Southeast winds 5 to 10 mph in the morning shifting to the northwest in the afternoon. * Chance of lightning...0 percent. * CWR...................Zero. .TONIGHT... * Sky/weather...........Partly cloudy. Scattered rain showers and isolated thunderstorms in the evening, then isolated rain showers overnight. * Min temperature.......61-66. * 24 hr trend.........4 degrees warmer. * Max humidity..........59-64 percent. * 24 hr trend.........3 percent wetter. * Wind (20 ft) * Plains...............Northeast winds 5 to 15 mph. * Chance of lightning...24 percent. * CWR...................20 percent. .FRIDAY... * Sky/weather...........Mostly sunny. Isolated rain showers in the afternoon. * Max temperature.......86-91. * 24 hr trend.........2 degrees cooler. * Min humidity..........25-30 percent. * 24 hr trend.........9 percent wetter. * Wind (20 ft) * Plains...............Northeast winds 5 to 15 mph. * Chance of lightning...14 percent. * CWR...................Less than 10 percent. .Forecast days 3 through 7...... .FRIDAY NIGHT...Mostly cloudy. Scattered showers and isolated thunderstorms. Lows 58 to 63. Northeast winds 5 to 15 mph. .SATURDAY...Mostly cloudy. Numerous showers and scattered thunderstorms. Lows 47 to 52. Highs 77 to 82. Northwest winds 5 to 15 mph. .SUNDAY...Cooler. Mostly cloudy. Numerous showers and isolated thunderstorms. Lows 43 to 48. Highs 59 to 64. Northwest winds 5 to 15 mph. .MONDAY...Partly cloudy. Isolated showers and thunderstorms. Lows 50 to 55. Highs 67 to 72. Southeast winds 5 to 10 mph. .TUESDAY...Mostly cloudy. Scattered showers and isolated thunderstorms. Lows 51 to 56. Highs 73 to 78. .WEDNESDAY...Partly sunny. Scattered showers and isolated thunderstorms. Highs 77 to 82. $$ MTZ131-192245- Northern Cheyenne Indian Reservation/Ashland Ranger District Custer Natl Forest- 318 AM MDT Thu Jun 19 2025 .Today... * Sky/weather...........Sunny. * Max temperature.......88-93. * 24 hr trend.........5 degrees warmer. * Min humidity..........18-23 percent. * 24 hr trend.........5 percent drier. * Wind (20 ft) * Slope/valley.........Southwest winds 5 to 15 mph in the morning shifting to the north in the afternoon. * Ridgetop.............West 10 to 20 mph. * Chance of lightning...0 percent. * CWR...................Zero. .TONIGHT... * Sky/weather...........Partly cloudy. * Min temperature.......57-62. * 24 hr trend.........2 degrees warmer. * Max humidity..........63-68 percent. * 24 hr trend.........5 percent wetter. * Wind (20 ft) * Slope/valley.........Northeast winds 5 to 10 mph. * Ridgetop.............South 10 to 20 mph. * Chance of lightning...9 percent. * CWR...................Less than 10 percent. .FRIDAY... * Sky/weather...........Sunny. * Max temperature.......86-91. * 24 hr trend.........2 degrees cooler. * Min humidity..........26-31 percent. * 24 hr trend.........8 percent wetter. * Wind (20 ft) * Slope/valley.........North winds 5 to 15 mph. * Ridgetop.............Southwest 15 to 30 mph. * Chance of lightning...5 percent. * CWR...................Less than 5 percent. .Forecast days 3 through 7...... .FRIDAY NIGHT...Mostly clear. Isolated showers and thunderstorms. Lows 55 to 60. Northeast winds 5 to 15 mph. .SATURDAY...Partly cloudy. Scattered showers and thunderstorms. Lows 46 to 51. Highs 79 to 84. Northwest winds 5 to 15 mph. .SUNDAY...Cooler. Mostly cloudy. Scattered showers and isolated thunderstorms. Lows 40 to 45. Highs 60 to 65. Northwest winds 5 to 15 mph. .MONDAY...Partly cloudy. Scattered showers and thunderstorms. Lows 47 to 52. Highs 67 to 72. Southeast winds 5 to 15 mph. .TUESDAY...Mostly cloudy. Scattered showers and thunderstorms. Lows 49 to 54. Highs 71 to 76. .WEDNESDAY...Partly sunny. Scattered showers and thunderstorms. Highs 74 to 79. $$ MTZ132-192245- Custer County- 318 AM MDT Thu Jun 19 2025 .Today... * Sky/weather...........Sunny. * Max temperature.......87-92. * 24 hr trend.........7 degrees warmer. * Min humidity..........18-23 percent. * 24 hr trend.........Unchanged. * Wind (20 ft) * Plains...............Southeast winds 5 to 15 mph in the morning shifting to the west in the afternoon. * Chance of lightning...0 percent. * CWR...................Zero. .TONIGHT... * Sky/weather...........Partly cloudy. Scattered showers and thunderstorms in the evening, then scattered rain showers overnight. * Min temperature.......60-65. * 24 hr trend.........3 degrees warmer. * Max humidity..........61-66 percent. * 24 hr trend.........14 percent wetter. * Wind (20 ft) * Plains...............Northeast winds 5 to 15 mph. * Chance of lightning...26 percent. * CWR...................20 percent. .FRIDAY... * Sky/weather...........Mostly sunny. Isolated showers and thunderstorms in the afternoon. * Max temperature.......85-90. * 24 hr trend.........2 degrees cooler. * Min humidity..........30-35 percent. * 24 hr trend.........12 percent wetter. * Wind (20 ft) * Plains...............East winds 10 to 20 mph. * Chance of lightning...14 percent. * CWR...................Less than 10 percent. .Forecast days 3 through 7...... .FRIDAY NIGHT...Partly cloudy. Isolated showers and thunderstorms. Lows 60 to 65. East winds 5 to 15 mph. .SATURDAY...Partly cloudy. Numerous showers and scattered thunderstorms. Lows 49 to 54. Highs 79 to 84. Northwest winds 5 to 15 mph. .SUNDAY...Cooler. Mostly cloudy. Scattered showers and isolated thunderstorms. Lows 42 to 47. Highs 60 to 65. Northwest winds 5 to 15 mph. .MONDAY...Partly cloudy. Scattered showers and thunderstorms. Lows 47 to 52. Highs 63 to 68. South winds 5 to 15 mph. .TUESDAY...Mostly cloudy. Scattered showers and thunderstorms. Lows 50 to 55. Highs 68 to 73. .WEDNESDAY...Partly sunny. Scattered showers and thunderstorms. Highs 71 to 76. $$ MTZ133-192245- Sioux Ranger District Custer National Forest- 318 AM MDT Thu Jun 19 2025 .Today... * Sky/weather...........Sunny. * Max temperature.......89-94. * 24 hr trend.........9 degrees warmer. * Min humidity..........18-23 percent. * 24 hr trend.........17 percent drier. * Wind (20 ft) * Plains...............Southwest winds 5 to 15 mph. * Chance of lightning...0 percent. * CWR...................Zero. .TONIGHT... * Sky/weather...........Partly cloudy. Isolated showers and thunderstorms in the evening, then isolated rain showers overnight. * Min temperature.......59-64. * 24 hr trend.........4 degrees warmer. * Max humidity..........66-71 percent. * 24 hr trend.........6 percent wetter. * Wind (20 ft) * Plains...............Northeast winds 5 to 15 mph. * Chance of lightning...18 percent. * CWR...................10 percent. .FRIDAY... * Sky/weather...........Sunny. * Max temperature.......89-94. * 24 hr trend.........Unchanged. * Min humidity..........29-34 percent. * 24 hr trend.........11 percent wetter. * Wind (20 ft) * Plains...............Southeast winds 10 to 20 mph. * Chance of lightning...6 percent. * CWR...................Less than 5 percent. .Forecast days 3 through 7...... .FRIDAY NIGHT...Mostly clear. Lows 58 to 63. Northeast winds 10 to 20 mph. .SATURDAY...Mostly clear. Scattered showers and thunderstorms. Lows 52 to 57. Highs 83 to 88. Northwest winds 10 to 20 mph. .SUNDAY...Cooler. Mostly cloudy. Scattered showers and isolated thunderstorms. Lows 44 to 49. Highs 64 to 69. Northwest winds 10 to 20 mph with gusts to around 30 mph. .MONDAY...Partly cloudy. Scattered showers and isolated thunderstorms. Lows 47 to 52. Highs 64 to 69. Northeast winds 5 to 15 mph. .TUESDAY...Mostly cloudy. Scattered showers and thunderstorms. Lows 49 to 54. Highs 67 to 72. .WEDNESDAY...Partly sunny. Scattered showers and thunderstorms. Highs 69 to 74. $$ WYZ274-192245- Sheridan County- 318 AM MDT Thu Jun 19 2025 .Today... * Sky/weather...........Sunny. * Max temperature.......88-93. * 24 hr trend.........8 degrees warmer. * Min humidity..........20-25 percent. * 24 hr trend.........8 percent drier. * Wind (20 ft) * Slope/valley.........West winds 5 to 10 mph in the morning shifting to the east in the afternoon. * Ridgetop.............West 10 to 20 mph. * Chance of lightning...6 percent. * CWR...................Less than 5 percent. .TONIGHT... * Sky/weather...........Partly cloudy. * Min temperature.......53-58. * 24 hr trend.........2 degrees warmer. * Max humidity..........69-74 percent. * 24 hr trend.........12 percent wetter. * Wind (20 ft) * Slope/valley.........West winds 5 to 10 mph. * Ridgetop.............South 5 to 15 mph. * Chance of lightning...8 percent. * CWR...................Less than 10 percent. .FRIDAY... * Sky/weather...........Sunny. * Max temperature.......85-90. * 24 hr trend.........3 degrees cooler. * Min humidity..........28-33 percent. * 24 hr trend.........8 percent wetter. * Wind (20 ft) * Slope/valley.........Northwest winds 5 to 15 mph. * Ridgetop.............Southwest 15 to 30 mph. * Chance of lightning...4 percent. * CWR...................Less than 5 percent. .Forecast days 3 through 7...... .FRIDAY NIGHT...Mostly clear. Lows 52 to 57. South winds 5 to 15 mph. .SATURDAY...Partly cloudy. Numerous showers and scattered thunderstorms. Lows 44 to 49. Highs 79 to 84. Northwest winds 5 to 15 mph. .SUNDAY...Much cooler. Mostly cloudy. Numerous showers and scattered thunderstorms. Lows 38 to 43. Highs 58 to 63. Northwest winds 5 to 15 mph. .MONDAY...Partly cloudy. Scattered showers and thunderstorms. Lows 45 to 50. Highs 67 to 72. Southeast winds 5 to 10 mph. .TUESDAY...Mostly cloudy. Scattered showers and thunderstorms. Lows 46 to 51. Highs 71 to 76. .WEDNESDAY...Partly sunny. Numerous showers and scattered thunderstorms. Highs 74 to 79. $$ WYZ284-192245- Bighorn National Forest- 318 AM MDT Thu Jun 19 2025 .Today... * Sky/weather...........Sunny. * Max temperature.......73-78. * 24 hr trend.........8 degrees warmer. * Min humidity..........20-25 percent. * 24 hr trend.........5 percent drier. * Wind (20 ft) * At Burgess Jct.......Southwest winds 10 to 20 mph. * Chance of lightning...8 percent. * CWR...................Less than 10 percent. .TONIGHT... * Sky/weather...........Partly cloudy. Isolated showers and thunderstorms in the evening. * Min temperature.......47-52. * 24 hr trend.........Unchanged. * Max humidity..........51-56 percent. * 24 hr trend.........2 percent wetter. * Wind (20 ft) * At Burgess Jct.......Southwest winds 5 to 15 mph. * Chance of lightning...15 percent. * CWR...................Less than 10 percent. .FRIDAY... * Sky/weather...........Mostly sunny. Isolated showers and thunderstorms in the afternoon. * Max temperature.......72-77. * 24 hr trend.........1 degree cooler. * Min humidity..........24-29 percent. * 24 hr trend.........4 percent wetter. * Wind (20 ft) * At Burgess Jct.......Southwest winds 10 to 20 mph. * Chance of lightning...22 percent. * CWR...................10 percent. .Forecast days 3 through 7...... .FRIDAY NIGHT...Partly cloudy. Isolated showers and thunderstorms. Lows 45 to 50. Southwest winds 5 to 15 mph. .SATURDAY...Mostly cloudy. Numerous showers and scattered thunderstorms. Lows 34 to 39. Highs 66 to 71. Northwest winds 10 to 20 mph with gusts to around 30 mph. .SUNDAY...Much cooler. Mostly cloudy. Showers, scattered thunderstorms and snow showers. Lows 30 to 35. Highs 45 to 50. Northwest winds 5 to 15 mph. .MONDAY...Mostly cloudy. Scattered showers and thunderstorms. Lows 36 to 41. Highs 53 to 58. Southeast winds 5 to 15 mph. .TUESDAY...Mostly cloudy. Scattered showers and thunderstorms. Lows 38 to 43. Highs 57 to 62. .WEDNESDAY...Partly sunny. Numerous showers and scattered thunderstorms. Highs 60 to 65. $$ weather.gov/billings