Routine Fire Wx Fcst (With/Without 6-10 Day Outlook)
Issued by NWS Billings, MT
Issued by NWS Billings, MT
255 FNUS55 KBYZ 121004 FWFBYZ Fire Weather Planning Forecast for SCen and SErn Montana National Weather Service Billings MT 404 AM MDT Sun May 12 2024 .DISCUSSION... Temperatures will be running above normal through Monday with highs mainly in the 70s for the lower elevations. Afternoon RH will range from 20s to 30s percent today and Monday. A disturbance dropping through the region will bring a wind shift to the east and northeast today, along with isolated to scattered showers and thunderstorms this afternoon and evening. A cold front will move through the districts on Monday bringing increasing shower and thunderstorm chances through Tuesday. Higher elevations will see snow as well. Temperatures will drop back towards normal levels (60s) starting Tuesday. Palmquist MTZ123-122215- Gallatin National Forest- 404 AM MDT Sun May 12 2024 .Today... * Sky/weather...........Mostly sunny. * Max temperature.......68-78 at 5000 feet...58-68 at 7000 feet. * 24 hr trend.........3 degrees warmer. * Min humidity..........20-29 percent at 5000 feet...22-32 percent at 7000 feet. * 24 hr trend.........9 percent drier. * Wind (20 ft) * Slope/valley.........Northwest winds 5 to 15 mph. * Ridgetop.............West 5 to 10 mph. * LAL...................1...no thunderstorms. * CWR...................Zero. * Haines index..........3. .TONIGHT... * Sky/weather...........Partly cloudy. * Min temperature.......43-51 at 5000 feet...37-47 at 7000 feet. * 24 hr trend.........3 degrees warmer. * Max humidity..........61-71 percent at 5000 feet...63-73 percent at 7000 feet. * 24 hr trend.........2 percent drier. * Wind (20 ft) * Slope/valley.........East winds 5 to 10 mph in the evening shifting to the southwest overnight. * Ridgetop.............West 5 to 15 mph. * LAL...................1...no thunderstorms. * CWR...................Zero. .MONDAY... * Sky/weather...........Mostly sunny. Scattered rain showers and isolated thunderstorms in the afternoon. * Max temperature.......67-76 at 5000 feet...57-67 at 7000 feet. * 24 hr trend.........2 degrees cooler. * Min humidity..........25-33 percent at 5000 feet...30-40 percent at 7000 feet. * 24 hr trend.........4 percent wetter. * Wind (20 ft) * Slope/valley.........West winds 5 to 15 mph. * Ridgetop.............West 10 to 20 mph. * LAL...................2...1 to 8 strikes/15 min/cell. * CWR...................30 percent. * Haines index..........4. .Forecast days 3 through 7...... .MONDAY NIGHT...Mostly cloudy. Scattered showers and isolated thunderstorms. Lows 40 to 48. Southwest winds 5 to 15 mph. .TUESDAY...Cooler. Mostly cloudy. Numerous showers and scattered thunderstorms. Lows 38 to 45. Highs 56 to 65. West winds 5 to 15 mph. .WEDNESDAY...Partly cloudy. Scattered showers and isolated thunderstorms. Lows 40 to 48. Highs 58 to 68. West winds 5 to 15 mph. .THURSDAY...Partly cloudy. Scattered rain showers. Lows 40 to 49. Highs 64 to 74. Southwest winds 10 to 20 mph. .FRIDAY...Partly cloudy. Scattered rain showers. Lows 36 to 43. Highs 61 to 71. .SATURDAY...Mostly sunny. Scattered showers, isolated thunderstorms and snow showers. Highs 58 to 68. $$ MTZ124-122215- Wheatland County/Sweet Grass County- 404 AM MDT Sun May 12 2024 .Today... * Sky/weather...........Mostly sunny. Scattered rain showers and isolated thunderstorms in the afternoon. * Max temperature.......71-76. * 24 hr trend.........2 degrees cooler. * Min humidity..........27-32 percent. * 24 hr trend.........11 percent wetter. * Wind (20 ft) * Plains...............Northwest winds 5 to 15 mph. * LAL...................2...1 to 8 strikes/15 min/cell. * CWR...................20 percent. * Haines index..........3. .TONIGHT... * Sky/weather...........Partly cloudy. Isolated showers and thunderstorms in the evening. * Min temperature.......44-49. * 24 hr trend.........Unchanged. * Max humidity..........74-79 percent. * 24 hr trend.........7 percent wetter. * Wind (20 ft) * Plains...............East winds 5 to 10 mph in the evening shifting to the west overnight. * LAL...................2...1 to 8 strikes/15 min/cell. * CWR...................Less than 10 percent. .MONDAY... * Sky/weather...........Mostly sunny. Scattered rain showers and isolated thunderstorms in the afternoon. * Max temperature.......73-78. * 24 hr trend.........2 degrees warmer. * Min humidity..........23-28 percent. * 24 hr trend.........4 percent drier. * Wind (20 ft) * Plains...............West winds 10 to 20 mph. * LAL...................2...1 to 8 strikes/15 min/cell. * CWR...................Less than 10 percent. * Haines index..........3. .Forecast days 3 through 7...... .MONDAY NIGHT...Mostly cloudy. Scattered showers and isolated thunderstorms. Lows 42 to 47. West winds 10 to 20 mph. .TUESDAY...Cooler. Mostly cloudy. Showers and scattered thunderstorms. Lows 39 to 44. Highs 59 to 64. Northwest winds 5 to 15 mph. .WEDNESDAY...Mostly cloudy. Scattered showers and isolated thunderstorms. Lows 42 to 47. Highs 63 to 68. West winds 5 to 15 mph. .THURSDAY...Mostly cloudy. Scattered rain showers. Lows 43 to 48. Highs 68 to 73. West winds 10 to 20 mph with gusts to around 30 mph. .FRIDAY...Mostly cloudy. Scattered rain showers. Lows 37 to 42. Highs 64 to 69. .SATURDAY...Partly sunny. Scattered showers and isolated thunderstorms. Highs 58 to 63. $$ MTZ125-122215- Stillwater County- 404 AM MDT Sun May 12 2024 .Today... * Sky/weather...........Mostly sunny. Isolated showers and thunderstorms in the afternoon. * Max temperature.......72-77. * 24 hr trend.........1 degree warmer. * Min humidity..........26-31 percent. * 24 hr trend.........2 percent wetter. * Wind (20 ft) * Plains...............Northwest winds 5 to 15 mph. * LAL...................2...1 to 8 strikes/15 min/cell. * CWR...................Less than 10 percent. * Haines index..........3. .TONIGHT... * Sky/weather...........Mostly clear. * Min temperature.......45-50. * 24 hr trend.........Unchanged. * Max humidity..........62-67 percent. * 24 hr trend.........3 percent wetter. * Wind (20 ft) * Plains...............Southeast winds 5 to 10 mph in the evening shifting to the southwest 5 to 15 mph overnight. * LAL...................1...no thunderstorms. * CWR...................Zero. .MONDAY... * Sky/weather...........Mostly sunny. Isolated 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..........34-39 percent. * 24 hr trend.........8 percent wetter. * Wind (20 ft) * Plains...............West winds 5 to 15 mph. * LAL...................2...1 to 8 strikes/15 min/cell. * CWR...................40 percent. * Haines index..........3. .Forecast days 3 through 7...... .MONDAY NIGHT...Mostly cloudy. Numerous showers and scattered thunderstorms. Lows 44 to 49. West winds 10 to 20 mph. .TUESDAY...Cooler. Mostly cloudy. Showers and scattered thunderstorms. Lows 42 to 47. Highs 61 to 66. West winds 5 to 15 mph. .WEDNESDAY...Mostly cloudy. Scattered showers and isolated thunderstorms. Lows 42 to 47. Highs 63 to 68. West winds 5 to 15 mph. .THURSDAY...Partly cloudy. Scattered showers and isolated thunderstorms. Lows 44 to 49. Highs 69 to 74. West winds 10 to 20 mph. .FRIDAY...Mostly cloudy. Scattered rain showers. Lows 39 to 44. Highs 66 to 71. .SATURDAY...Mostly sunny. Scattered showers and isolated thunderstorms. Highs 60 to 65. $$ MTZ126-122215- Beartooth Ranger District Custer National Forest- 404 AM MDT Sun May 12 2024 .Today... * Sky/weather...........Partly cloudy. Scattered rain showers and isolated thunderstorms in the afternoon. * Max temperature.......65-74 at 5000 feet...59-69 at 7000 feet. * 24 hr trend.........4 degrees warmer. * Min humidity..........26-36 percent at 5000 feet...29-39 percent at 7000 feet. * 24 hr trend.........14 percent wetter. * Wind (20 ft) * Slope/valley.........Northwest winds 5 to 15 mph. * Ridgetop.............Northwest 5 to 15 mph. * LAL...................2...1 to 8 strikes/15 min/cell. * CWR...................Less than 10 percent. * Haines index..........3. .TONIGHT... * Sky/weather...........Mostly clear. Isolated showers and thunderstorms in the evening. * Min temperature.......46-52 at 5000 feet...39-49 at 7000 feet. * 24 hr trend.........1 degree warmer. * Max humidity..........61-66 percent. * 24 hr trend.........6 percent wetter. * Wind (20 ft) * Slope/valley.........West winds 5 to 15 mph. * Ridgetop.............West 5 to 10 mph. * LAL...................2...1 to 8 strikes/15 min/cell. * CWR...................Less than 10 percent. .MONDAY... * Sky/weather...........Mostly sunny with isolated rain showers in the morning, then mostly cloudy with numerous rain showers and isolated thunderstorms in the afternoon. * Max temperature.......67-75 at 5000 feet...59-69 at 7000 feet. * 24 hr trend.........2 degrees cooler. * Min humidity..........30-40 percent at 5000 feet...37-47 percent at 7000 feet. * 24 hr trend.........7 percent wetter. * Wind (20 ft) * Slope/valley.........Northwest winds 5 to 15 mph. * Ridgetop.............West 5 to 10 mph. * LAL...................2...1 to 8 strikes/15 min/cell. * CWR...................50 percent. * Haines index..........3. .Forecast days 3 through 7...... .MONDAY NIGHT...Mostly cloudy. Numerous showers, scattered thunderstorms and snow showers. Lows 44 to 49. West winds 10 to 20 mph. .TUESDAY...Cooler. Mostly cloudy. Showers with possible snow showers and thunderstorms likely. Lows 42 to 47. Highs 56 to 63. Northwest winds 5 to 15 mph. .WEDNESDAY...Mostly cloudy. Numerous showers with possible snow showers and thunderstorms. Lows 43 to 48. Highs 56 to 65. Northwest winds 5 to 15 mph. .THURSDAY...Partly cloudy. Scattered showers, isolated thunderstorms and snow showers. Lows 44 to 49. Highs 62 to 71. West winds 10 to 20 mph. .FRIDAY...Mostly cloudy. Scattered rain showers and snow showers. Lows 40 to 45. Highs 61 to 69. .SATURDAY...Mostly sunny. Scattered showers, isolated thunderstorms and snow showers. Highs 58 to 65. $$ MTZ127-122215- Golden Valley County/Musselshell county- 404 AM MDT Sun May 12 2024 .Today... * Sky/weather...........Sunny. Isolated showers and thunderstorms in the afternoon. * Max temperature.......68-73. * 24 hr trend.........4 degrees cooler. * Min humidity..........32-37 percent. * 24 hr trend.........14 percent wetter. * Wind (20 ft) * Plains...............Northwest winds 5 to 15 mph. * LAL...................2...1 to 8 strikes/15 min/cell. * CWR...................Less than 10 percent. * Haines index..........3. .TONIGHT... * Sky/weather...........Partly cloudy. Isolated showers and thunderstorms in the evening. * Min temperature.......49-54. * 24 hr trend.........Unchanged. * Max humidity..........69-74 percent. * 24 hr trend.........9 percent wetter. * Wind (20 ft) * Plains...............East winds 5 to 15 mph in the evening shifting to the southwest overnight. * LAL...................2...1 to 8 strikes/15 min/cell. * CWR...................Less than 10 percent. .MONDAY... * Sky/weather...........Partly cloudy. Scattered rain showers and isolated thunderstorms in the afternoon. * Max temperature.......72-77. * 24 hr trend.........4 degrees warmer. * Min humidity..........25-30 percent. * 24 hr trend.........7 percent drier. * Wind (20 ft) * Plains...............West winds 10 to 20 mph. * LAL...................2...1 to 8 strikes/15 min/cell. * CWR...................20 percent. * Haines index..........3. .Forecast days 3 through 7...... .MONDAY NIGHT...Mostly cloudy. Scattered showers and thunderstorms. Lows 48 to 53. West winds 10 to 20 mph. .TUESDAY...Cooler. Mostly cloudy. Showers and scattered thunderstorms. Lows 44 to 49. Highs 59 to 64. Northwest winds 10 to 20 mph. .WEDNESDAY...Mostly cloudy. Scattered showers and isolated thunderstorms. Lows 45 to 50. Highs 61 to 66. Northwest winds 5 to 15 mph. .THURSDAY...Mostly cloudy. Scattered rain showers. Lows 46 to 51. Highs 66 to 71. West winds 10 to 20 mph. .FRIDAY...Mostly cloudy. Scattered showers and isolated thunderstorms. Lows 40 to 45. Highs 62 to 67. .SATURDAY...Mostly sunny. Scattered rain showers. Highs 57 to 62. $$ MTZ128-122215- Yellowstone County- 404 AM MDT Sun May 12 2024 .Today... * Sky/weather...........Mostly sunny. Isolated showers and thunderstorms in the afternoon. * Max temperature.......74-79. * 24 hr trend.........2 degrees cooler. * Min humidity..........28-33 percent. * 24 hr trend.........11 percent wetter. * Wind (20 ft) * Plains...............Northwest winds 5 to 10 mph. * LAL...................2...1 to 8 strikes/15 min/cell. * CWR...................Less than 10 percent. * Haines index..........3. .TONIGHT... * Sky/weather...........Partly cloudy. Isolated showers and thunderstorms in the evening. * Min temperature.......47-52. * 24 hr trend.........1 degree cooler. * Max humidity..........77-82 percent. * 24 hr trend.........6 percent wetter. * Wind (20 ft) * Plains...............Northeast winds 5 to 10 mph in the evening shifting to the west overnight. * LAL...................2...1 to 8 strikes/15 min/cell. * CWR...................Less than 10 percent. .MONDAY... * Sky/weather...........Mostly sunny. Scattered rain showers and isolated thunderstorms in the afternoon. * Max temperature.......76-81. * 24 hr trend.........2 degrees warmer. * Min humidity..........29-34 percent. * 24 hr trend.........1 percent wetter. * Wind (20 ft) * Plains...............West winds 5 to 15 mph. * LAL...................2...1 to 8 strikes/15 min/cell. * CWR...................20 percent. * Haines index..........3. .Forecast days 3 through 7...... .MONDAY NIGHT...Mostly cloudy. Scattered showers and thunderstorms. Lows 48 to 53. West winds 10 to 20 mph. .TUESDAY...Cooler. Mostly cloudy. Showers and scattered thunderstorms. Lows 45 to 50. Highs 64 to 69. Northwest winds 5 to 15 mph. .WEDNESDAY...Mostly cloudy. Scattered showers and isolated thunderstorms. Lows 46 to 51. Highs 66 to 71. West winds 5 to 15 mph. .THURSDAY...Partly cloudy. Scattered showers and isolated thunderstorms. Lows 47 to 52. Highs 71 to 76. West winds 10 to 20 mph. .FRIDAY...Partly cloudy. Scattered showers and isolated thunderstorms. Lows 42 to 47. Highs 68 to 73. .SATURDAY...Mostly sunny. Scattered rain showers. Highs 62 to 67. $$ MTZ129-122215- Crow Indian Reservation/Bighorn Canyon Rec Area- 404 AM MDT Sun May 12 2024 .Today... * Sky/weather...........Mostly sunny. Scattered rain showers and isolated thunderstorms in the afternoon. * Max temperature.......64-74 at 5000 feet...58-64 at 7000 feet. * 24 hr trend.........1 degree cooler. * Min humidity..........27-37 percent at 5000 feet...40-45 percent at 7000 feet. * 24 hr trend.........9 percent wetter. * Wind (20 ft) * Slope/valley.........Northwest winds 5 to 15 mph. * Ridgetop.............Northwest 10 to 20 mph. * LAL...................2...1 to 8 strikes/15 min/cell. * CWR...................Less than 10 percent. * Haines index..........3. .TONIGHT... * Sky/weather...........Partly cloudy. Isolated showers and thunderstorms in the evening. * Min temperature.......47-53 at 5000 feet...44-49 at 7000 feet. * 24 hr trend.........1 degree cooler. * Max humidity..........58-68 percent at 5000 feet...64-73 percent at 7000 feet. * 24 hr trend.........6 percent wetter. * Wind (20 ft) * Slope/valley.........Southeast winds 5 to 15 mph. * Ridgetop.............Northwest 5 to 15 mph. * LAL...................2...1 to 8 strikes/15 min/cell. * CWR...................Less than 10 percent. .MONDAY... * Sky/weather...........Sunny in the morning, then partly sunny with scattered rain showers and isolated thunderstorms in the afternoon. * Max temperature.......66-76 at 5000 feet...59-66 at 7000 feet. * 24 hr trend.........3 degrees warmer. * Min humidity..........33-43 percent at 5000 feet...42-47 percent at 7000 feet. * 24 hr trend.........3 percent wetter. * Wind (20 ft) * Slope/valley.........West winds 5 to 15 mph. * Ridgetop.............West 5 to 15 mph. * LAL...................2...1 to 8 strikes/15 min/cell. * CWR...................30 percent. * Haines index..........3. .Forecast days 3 through 7...... .MONDAY NIGHT...Mostly cloudy. Numerous showers and scattered thunderstorms. Lows 43 to 50. West winds 10 to 20 mph. .TUESDAY...Cooler. Mostly cloudy. Showers and scattered thunderstorms. Lows 40 to 47. Highs 54 to 64. Northwest winds 10 to 20 mph with gusts to around 30 mph. .WEDNESDAY...Mostly cloudy. Scattered showers and isolated thunderstorms. Lows 41 to 49. Highs 55 to 65. West winds 5 to 15 mph. .THURSDAY...Mostly cloudy. Scattered showers and isolated thunderstorms. Lows 43 to 50. Highs 61 to 71. West winds 10 to 20 mph. .FRIDAY...Mostly cloudy. Scattered showers and isolated thunderstorms. Lows 39 to 44. Highs 59 to 69. .SATURDAY...Mostly sunny. Scattered rain showers. Highs 55 to 65. $$ MTZ130-122215- Northern Rosebud/Northern Treasure Counties- 404 AM MDT Sun May 12 2024 .Today... * Sky/weather...........Mostly sunny. Isolated rain showers in the morning, then isolated showers and thunderstorms in the afternoon. * Max temperature.......73-78. * 24 hr trend.........4 degrees cooler. * Min humidity..........29-34 percent. * 24 hr trend.........8 percent wetter. * Wind (20 ft) * Plains...............Northeast winds 5 to 15 mph. * LAL...................2...1 to 8 strikes/15 min/cell. * CWR...................Less than 10 percent. * Haines index..........3. .TONIGHT... * Sky/weather...........Partly cloudy. * Min temperature.......46-51. * 24 hr trend.........Unchanged. * Max humidity..........79-84 percent. * 24 hr trend.........Unchanged. * Wind (20 ft) * Plains...............East winds 5 to 10 mph. * LAL...................1...no thunderstorms. * CWR...................Zero. .MONDAY... * Sky/weather...........Sunny in the morning, then partly sunny with scattered rain showers and isolated thunderstorms in the afternoon. * Max temperature.......79-84. * 24 hr trend.........6 degrees warmer. * Min humidity..........29-34 percent. * 24 hr trend.........Unchanged. * Wind (20 ft) * Plains...............West winds 5 to 15 mph. * LAL...................2...1 to 8 strikes/15 min/cell. * CWR...................10 percent. * Haines index..........3. .Forecast days 3 through 7...... .MONDAY NIGHT...Mostly cloudy. Numerous showers and scattered thunderstorms. Lows 49 to 54. West winds 5 to 15 mph. .TUESDAY...Cooler. Mostly cloudy. Numerous showers and scattered thunderstorms. Lows 44 to 49. Highs 66 to 71. Northwest winds 5 to 15 mph. .WEDNESDAY...Mostly cloudy. Scattered rain showers. Lows 45 to 50. Highs 66 to 71. West winds 5 to 15 mph. .THURSDAY...Mostly cloudy. Scattered rain showers. Lows 46 to 51. Highs 70 to 75. West winds 10 to 20 mph. .FRIDAY...Partly cloudy. Scattered showers and isolated thunderstorms. Lows 42 to 47. Highs 66 to 71. .SATURDAY...Mostly sunny. Isolated rain showers. Highs 63 to 68. $$ MTZ131-122215- Northern Cheyenne Indian Reservation/Ashland Ranger District Custer Natl Forest- 404 AM MDT Sun May 12 2024 .Today... * Sky/weather...........Mostly sunny. Isolated showers and thunderstorms in the afternoon. * Max temperature.......73-78. * 24 hr trend.........2 degrees cooler. * Min humidity..........29-34 percent. * 24 hr trend.........8 percent wetter. * Wind (20 ft) * Slope/valley.........North winds 5 to 15 mph. * Ridgetop.............Northwest 5 to 15 mph. * LAL...................2...1 to 8 strikes/15 min/cell. * CWR...................Less than 10 percent. * Haines index..........3. .TONIGHT... * Sky/weather...........Mostly clear. Isolated showers and thunderstorms in the evening. * Min temperature.......43-48. * 24 hr trend.........1 degree cooler. * Max humidity..........76-81 percent. * 24 hr trend.........6 percent wetter. * Wind (20 ft) * Slope/valley.........Northeast winds 5 to 15 mph in the evening shifting to the south 5 to 10 mph overnight. * Ridgetop.............Northwest 5 to 15 mph. * LAL...................2...1 to 8 strikes/15 min/cell. * CWR...................Less than 10 percent. .MONDAY... * Sky/weather...........Sunny in the morning, then partly sunny with isolated showers and thunderstorms in the afternoon. * Max temperature.......76-81. * 24 hr trend.........3 degrees warmer. * Min humidity..........29-34 percent. * 24 hr trend.........Unchanged. * Wind (20 ft) * Slope/valley.........West winds 5 to 15 mph. * Ridgetop.............Northwest 5 to 15 mph. * LAL...................2...1 to 8 strikes/15 min/cell. * CWR...................20 percent. * Haines index..........3. .Forecast days 3 through 7...... .MONDAY NIGHT...Mostly cloudy. Numerous showers and scattered thunderstorms. Lows 45 to 50. West winds 5 to 15 mph. .TUESDAY...Cooler. Mostly cloudy. Numerous showers and scattered thunderstorms. Lows 41 to 46. Highs 63 to 68. Northwest winds 10 to 20 mph with gusts to around 35 mph. .WEDNESDAY...Partly cloudy. Scattered showers and isolated thunderstorms. Lows 41 to 46. Highs 63 to 68. West winds 5 to 15 mph. .THURSDAY...Partly cloudy. Scattered rain showers. Lows 43 to 48. Highs 69 to 74. West winds 10 to 20 mph. .FRIDAY...Partly cloudy. Scattered showers and isolated thunderstorms. Lows 39 to 44. Highs 65 to 70. .SATURDAY...Mostly sunny. Isolated rain showers. Highs 64 to 69. $$ MTZ132-122215- Custer County- 404 AM MDT Sun May 12 2024 .Today... * Sky/weather...........Mostly sunny with isolated rain showers. Patchy smoke through the day. * Max temperature.......70-75. * 24 hr trend.........3 degrees cooler. * Min humidity..........30-35 percent. * 24 hr trend.........9 percent wetter. * Wind (20 ft) * Plains...............Northeast winds 5 to 15 mph. * LAL...................1...no thunderstorms. * CWR...................Less than 10 percent. * Haines index..........3. .TONIGHT... * Sky/weather...........Mostly clear. * Min temperature.......45-50. * 24 hr trend.........2 degrees cooler. * Max humidity..........71-76 percent. * 24 hr trend.........3 percent wetter. * Wind (20 ft) * Plains...............East winds 5 to 15 mph. * LAL...................1...no thunderstorms. * CWR...................Zero. .MONDAY... * Sky/weather...........Mostly sunny. Isolated showers and thunderstorms in the afternoon. * Max temperature.......76-81. * 24 hr trend.........6 degrees warmer. * Min humidity..........29-34 percent. * 24 hr trend.........1 percent drier. * Wind (20 ft) * Plains...............South winds 5 to 15 mph. * LAL...................2...1 to 8 strikes/15 min/cell. * CWR...................20 percent. * Haines index..........3. .Forecast days 3 through 7...... .MONDAY NIGHT...Mostly cloudy. Scattered showers and thunderstorms. Lows 48 to 53. Southwest winds 5 to 15 mph. .TUESDAY...Cooler. Mostly cloudy. Numerous showers and scattered thunderstorms. Lows 42 to 47. Highs 63 to 68. Northwest winds 10 to 20 mph. .WEDNESDAY...Partly cloudy. Scattered showers and isolated thunderstorms. Lows 43 to 48. Highs 61 to 66. West winds 5 to 15 mph. .THURSDAY...Mostly cloudy. Scattered rain showers. Lows 45 to 50. Highs 67 to 72. West winds 10 to 20 mph. .FRIDAY...Partly cloudy. Scattered rain showers. Lows 40 to 45. Highs 64 to 69. .SATURDAY...Mostly sunny. Isolated rain showers. Highs 60 to 65. $$ MTZ133-122215- Sioux Ranger District Custer National Forest- 404 AM MDT Sun May 12 2024 .Today... * Sky/weather...........Mostly sunny. Isolated rain showers in the morning, then isolated showers and thunderstorms in the afternoon. * Max temperature.......73-78. * 24 hr trend.........1 degree cooler. * Min humidity..........26-31 percent. * 24 hr trend.........4 percent drier. * Wind (20 ft) * Plains...............Northeast winds 5 to 15 mph. * LAL...................2...1 to 8 strikes/15 min/cell. * CWR...................Less than 10 percent. * Haines index..........3. .TONIGHT... * Sky/weather...........Partly cloudy. Isolated showers and thunderstorms in the evening. * Min temperature.......43-48. * 24 hr trend.........4 degrees cooler. * Max humidity..........75-80 percent. * 24 hr trend.........10 percent wetter. * Wind (20 ft) * Plains...............East winds 5 to 15 mph. * LAL...................2...1 to 8 strikes/15 min/cell. * CWR...................Less than 10 percent. .MONDAY... * Sky/weather...........Mostly sunny. Isolated showers and thunderstorms in the afternoon. * Max temperature.......78-83. * 24 hr trend.........5 degrees warmer. * Min humidity..........27-32 percent. * 24 hr trend.........1 percent wetter. * Wind (20 ft) * Plains...............South winds 5 to 15 mph. * LAL...................2...1 to 8 strikes/15 min/cell. * CWR...................Less than 10 percent. * Haines index..........3. .Forecast days 3 through 7...... .MONDAY NIGHT...Mostly cloudy. Numerous showers and scattered thunderstorms. Lows 47 to 52. South winds 5 to 15 mph. .TUESDAY...Cooler. Mostly cloudy. Numerous showers and scattered thunderstorms. Lows 43 to 48. Highs 65 to 70. Northwest winds 10 to 20 mph with gusts to around 35 mph. .WEDNESDAY...Partly cloudy. Scattered showers and isolated thunderstorms. Lows 42 to 47. Highs 64 to 69. Northwest winds 10 to 20 mph. .THURSDAY...Partly cloudy. Scattered rain showers. Lows 45 to 50. Highs 70 to 75. West winds 10 to 20 mph with gusts to around 30 mph. .FRIDAY...Partly cloudy. Scattered rain showers. Lows 40 to 45. Highs 67 to 72. .SATURDAY...Mostly sunny. Isolated rain showers. Highs 65 to 70. $$ WYZ274-122215- Sheridan County- 404 AM MDT Sun May 12 2024 .Today... * Sky/weather...........Sunny in the morning, then partly sunny with scattered rain showers and isolated thunderstorms in the afternoon. * Max temperature.......72-77. * 24 hr trend.........1 degree cooler. * Min humidity..........27-32 percent. * 24 hr trend.........4 percent wetter. * Wind (20 ft) * Slope/valley.........Northwest winds 5 to 15 mph. * Ridgetop.............Northwest 10 to 20 mph. * LAL...................2...1 to 8 strikes/15 min/cell. * CWR...................10 percent. * Haines index..........3. .TONIGHT... * Sky/weather...........Partly cloudy. Isolated showers and thunderstorms in the evening. * Min temperature.......42-47. * 24 hr trend.........Unchanged. * Max humidity..........73-78 percent. * 24 hr trend.........4 percent wetter. * Wind (20 ft) * Slope/valley.........West winds 5 to 10 mph. * Ridgetop.............Northwest 5 to 15 mph. * LAL...................2...1 to 8 strikes/15 min/cell. * CWR...................Less than 10 percent. .MONDAY... * Sky/weather...........Sunny in the morning, then partly sunny with scattered rain showers and isolated thunderstorms in the afternoon. * Max temperature.......76-81. * 24 hr trend.........4 degrees warmer. * Min humidity..........31-36 percent. * 24 hr trend.........4 percent wetter. * Wind (20 ft) * Slope/valley.........North winds 5 to 10 mph. * Ridgetop.............Northwest 5 to 15 mph. * LAL...................2...1 to 8 strikes/15 min/cell. * CWR...................40 percent. * Haines index..........3. .Forecast days 3 through 7...... .MONDAY NIGHT...Mostly cloudy. Numerous showers and scattered thunderstorms. Lows 43 to 48. West winds 5 to 15 mph. .TUESDAY...Cooler. Mostly cloudy. Showers and scattered thunderstorms. Lows 41 to 46. Highs 63 to 68. Northwest winds 10 to 20 mph with gusts to around 30 mph. .WEDNESDAY...Mostly cloudy. Scattered showers and isolated thunderstorms. Lows 39 to 44. Highs 62 to 67. West winds 5 to 15 mph. .THURSDAY...Partly cloudy. Scattered showers and isolated thunderstorms. Lows 42 to 47. Highs 70 to 75. West winds 5 to 15 mph. .FRIDAY...Partly cloudy. Scattered showers and isolated thunderstorms. Lows 38 to 43. Highs 67 to 72. .SATURDAY...Mostly sunny. Isolated showers and thunderstorms. Highs 65 to 70. $$ WYZ284-122215- Bighorn National Forest- 404 AM MDT Sun May 12 2024 .Today... * Sky/weather...........Mostly sunny with isolated rain showers in the morning, then partly sunny with scattered rain showers and isolated thunderstorms in the afternoon. * Max temperature.......54-59. * 24 hr trend.........Unchanged. * Min humidity..........37-42 percent. * 24 hr trend.........14 percent wetter. * Wind (20 ft) * At Burgess Jct.......Northwest winds 5 to 15 mph. * LAL...................2...1 to 8 strikes/15 min/cell. * CWR...................10 percent. * Haines index..........3. .TONIGHT... * Sky/weather...........Partly cloudy. Isolated showers and thunderstorms in the evening. * Min temperature.......36-41. * 24 hr trend.........2 degrees warmer. * Max humidity..........80-85 percent. * 24 hr trend.........9 percent wetter. * Wind (20 ft) * At Burgess Jct.......Southwest winds 5 to 15 mph. * LAL...................2...1 to 8 strikes/15 min/cell. * CWR...................10 percent. .MONDAY... * Sky/weather...........Mostly sunny with isolated rain showers in the morning, then mostly cloudy with numerous rain showers and isolated thunderstorms in the afternoon. * Max temperature.......57-62. * 24 hr trend.........3 degrees warmer. * Min humidity..........36-41 percent. * 24 hr trend.........1 percent drier. * Wind (20 ft) * At Burgess Jct.......Northwest winds 5 to 15 mph. * LAL...................2...1 to 8 strikes/15 min/cell. * CWR...................50 percent. * Haines index..........3. .Forecast days 3 through 7...... .MONDAY NIGHT...Mostly cloudy. Showers and scattered thunderstorms. Lows 33 to 38. West winds 5 to 15 mph. .TUESDAY...Cooler. Mostly cloudy. Showers, scattered thunderstorms and snow showers. Lows 31 to 36. Highs 47 to 52. Northwest winds 10 to 20 mph. .WEDNESDAY...Mostly cloudy. Numerous showers, scattered snow showers and thunderstorms. Lows 31 to 36. Highs 46 to 51. Northwest winds 5 to 15 mph. .THURSDAY...Mostly cloudy. Scattered showers and isolated thunderstorms. Lows 34 to 39. Highs 54 to 59. West winds 10 to 20 mph. .FRIDAY...Mostly cloudy. Scattered showers, snow showers and isolated thunderstorms. Lows 30 to 35. Highs 51 to 56. .SATURDAY...Mostly sunny. Scattered showers, isolated thunderstorms and snow showers. Highs 52 to 57. $$ weather.gov/billings