Routine Fire Wx Fcst (With/Without 6-10 Day Outlook)
Issued by NWS Billings, MT
Issued by NWS Billings, MT
167 FNUS55 KBYZ 190837 FWFBYZ Fire Weather Planning Forecast for SCen and SErn Montana National Weather Service Billings MT 237 AM MDT Sun May 19 2024 .DISCUSSION... ...Cool and Unsettled through the week ahead... Mostly cloudy with scattered showers and a few thunderstorms across the district today. Best wetting rain chances will be over the western mountains and foothills. Expect breezy conditions today with gusts in the 20 to 30 mph range most areas. RH values will be significantly higher today than Saturday, in the 35 to 50 percent range. Snow levels today will be as low as 6500 feet in the Crazy/Bridger/Gallatin ranges, and as high as 8500 feet in the Bighorn mountains. Another system arrives for Monday through Tuesday and will bring good wetting rain chances for the western and southern portions of the Fire District. Afternoon Rh values will remain high Mon/Tue in the 35 to 50 percent range, highest along the MT/WY line and into the western mountains/foothills. Significant snowfall is expected for the Beartooth/Bighorn mountain above 7500-8000 feet with this system. Yet another spring system moves into the area Wednesday afternoon, sticking around into Friday. Drier conditions are expected for the holiday weekend, but a chance for isolated/scattered showers continues each day. Chambers MTZ123-192215- Gallatin National Forest- 237 AM MDT Sun May 19 2024 .Today... * Sky/weather...........Mostly cloudy. Snow in the morning, then numerous snow showers and isolated thunderstorms in the afternoon. * Max temperature.......49-59 at 5000 feet...39-49 at 7000 feet. * 24 hr trend.........12 degrees cooler. * Min humidity..........41-51 percent at 5000 feet...43-53 percent at 7000 feet. * 24 hr trend.........29 percent wetter. * Wind (20 ft) * Slope/valley.........Northwest winds 5 to 15 mph. * Ridgetop.............West 10 to 20 mph. * LAL...................2...1 to 8 strikes/15 min/cell. * CWR...................40 percent. * Haines index..........3. .TONIGHT... * Sky/weather...........Mostly cloudy. Scattered snow showers and isolated thunderstorms in the evening, then isolated snow showers overnight. * Min temperature.......28-38 at 5000 feet...23-33 at 7000 feet. * 24 hr trend.........3 degrees cooler. * Max humidity..........78-88 percent at 5000 feet...80-90 percent at 7000 feet. * 24 hr trend.........18 percent wetter. * Wind (20 ft) * Slope/valley.........Northwest winds 5 to 10 mph in the evening becoming light overnight. * Ridgetop.............Northwest 5 to 10 mph. * LAL...................2...1 to 8 strikes/15 min/cell. * CWR...................Zero. .MONDAY... * Sky/weather...........Partly sunny. Scattered snow showers in the morning, then snow showers and isolated thunderstorms in the afternoon. * Max temperature.......48-58 at 5000 feet...36-46 at 7000 feet. * 24 hr trend.........1 degree cooler. * Min humidity..........40-50 percent at 5000 feet...46-56 percent at 7000 feet. * 24 hr trend.........2 percent drier. * Wind (20 ft) * Slope/valley.........North winds 5 to 10 mph. * Ridgetop.............Northeast 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. Scattered snow showers and isolated thunderstorms. Lows 31 to 40. Northwest winds 5 to 10 mph. .TUESDAY...Mostly cloudy. Scattered snow showers and isolated thunderstorms. Lows 33 to 40. Highs 53 to 61. Northwest winds 5 to 10 mph. .WEDNESDAY...Mostly cloudy. Showers with possible snow showers and thunderstorms likely. Lows 35 to 43. Highs 56 to 63. South winds 5 to 10 mph. .THURSDAY...Mostly cloudy. Snow showers, showers and isolated thunderstorms. Lows 32 to 39. Highs 46 to 56. West winds 5 to 10 mph. .FRIDAY...Mostly cloudy. Scattered showers, snow showers and isolated thunderstorms. Lows 33 to 40. Highs 50 to 59. .SATURDAY...Partly sunny. Scattered showers, isolated thunderstorms and snow showers. Highs 55 to 63. $$ MTZ124-192215- Wheatland County/Sweet Grass County- 237 AM MDT Sun May 19 2024 .Today... * Sky/weather...........Mostly cloudy. Rain likely in the morning, then numerous rain showers and isolated thunderstorms in the afternoon. * Max temperature.......52-57. * 24 hr trend.........8 degrees cooler. * Min humidity..........42-47 percent. * 24 hr trend.........30 percent wetter. * Wind (20 ft) * Plains...............Northwest winds 10 to 20 mph. * LAL...................2...1 to 8 strikes/15 min/cell. * CWR...................20 percent. * Haines index..........3. .TONIGHT... * Sky/weather...........Partly cloudy. Scattered rain showers and isolated thunderstorms in the evening. * Min temperature.......30-35. * 24 hr trend.........7 degrees cooler. * Max humidity..........81-86 percent. * 24 hr trend.........16 percent wetter. * Wind (20 ft) * Plains...............West winds 5 to 15 mph. * LAL...................2...1 to 8 strikes/15 min/cell. * CWR...................Zero. .MONDAY... * Sky/weather...........Partly sunny. Scattered rain showers in the morning, then rain showers and isolated thunderstorms in the afternoon. * Max temperature.......53-58. * 24 hr trend.........1 degree warmer. * Min humidity..........41-46 percent. * 24 hr trend.........1 percent drier. * Wind (20 ft) * Plains...............North 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. Scattered showers and isolated thunderstorms. Lows 33 to 38. Northwest winds 5 to 15 mph. .TUESDAY...Mostly cloudy. Scattered showers and isolated thunderstorms. Lows 33 to 38. Highs 59 to 64. West winds 5 to 10 mph. .WEDNESDAY...Mostly cloudy. Numerous showers and isolated thunderstorms. Lows 37 to 42. Highs 61 to 66. South winds 5 to 15 mph. .THURSDAY...Cooler. Mostly cloudy. Showers and isolated thunderstorms. Lows 34 to 39. Highs 51 to 56. Northwest winds 10 to 20 mph. .FRIDAY...Mostly cloudy. Numerous showers and isolated thunderstorms. Lows 34 to 39. Highs 54 to 59. .SATURDAY...Partly sunny. Scattered showers and isolated thunderstorms. Highs 59 to 64. $$ MTZ125-192215- Stillwater County- 237 AM MDT Sun May 19 2024 .Today... * Sky/weather...........Mostly cloudy. Scattered rain showers in the morning, then rain showers and isolated thunderstorms in the afternoon. * Max temperature.......53-58. * 24 hr trend.........5 degrees cooler. * Min humidity..........49-54 percent. * 24 hr trend.........24 percent wetter. * Wind (20 ft) * Plains...............Northwest winds 5 to 15 mph. * LAL...................2...1 to 8 strikes/15 min/cell. * CWR...................50 percent. * Haines index..........3. .TONIGHT... * Sky/weather...........Mostly cloudy. Scattered rain showers and isolated thunderstorms in the evening, then isolated rain showers overnight. * Min temperature.......34-39. * 24 hr trend.........5 degrees cooler. * Max humidity..........76-81 percent. * 24 hr trend.........13 percent wetter. * Wind (20 ft) * Plains...............West winds 5 to 15 mph. * LAL...................2...1 to 8 strikes/15 min/cell. * CWR...................Less than 10 percent. .MONDAY... * Sky/weather...........Partly sunny. Scattered rain showers in the morning, then rain showers and isolated thunderstorms in the afternoon. * Max temperature.......51-56. * 24 hr trend.........2 degrees cooler. * Min humidity..........48-53 percent. * 24 hr trend.........1 percent drier. * Wind (20 ft) * Plains...............Northwest winds 5 to 10 mph in the morning shifting to the northeast in the afternoon. * 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 isolated thunderstorms. Lows 36 to 41. West winds 5 to 10 mph. .TUESDAY...Mostly cloudy. Numerous showers and isolated thunderstorms. Lows 34 to 39. Highs 56 to 61. Southwest winds 5 to 10 mph. .WEDNESDAY...Mostly cloudy. Numerous showers and isolated thunderstorms. Lows 39 to 44. Highs 62 to 67. Southwest winds 5 to 10 mph. .THURSDAY...Mostly cloudy. Showers and isolated thunderstorms. Lows 35 to 40. Highs 55 to 60. Northwest winds 5 to 15 mph. .FRIDAY...Mostly cloudy. Numerous showers and isolated thunderstorms. Lows 36 to 41. Highs 55 to 60. .SATURDAY...Partly sunny. Scattered showers and isolated thunderstorms. Highs 61 to 66. $$ MTZ126-192215- Beartooth Ranger District Custer National Forest- 237 AM MDT Sun May 19 2024 .Today... * Sky/weather...........Mostly sunny with scattered snow showers in the morning, then mostly cloudy with snow showers and isolated thunderstorms in the afternoon. * Max temperature.......53-63 at 5000 feet...46-56 at 7000 feet. * 24 hr trend.........4 degrees cooler. * Min humidity..........39-49 percent at 5000 feet...44-54 percent at 7000 feet. * 24 hr trend.........24 percent wetter. * Wind (20 ft) * Slope/valley.........Northwest winds 10 to 20 mph. Gusts up to 30 mph in the afternoon. * Ridgetop.............West 15 to 25 mph. * LAL...................2...1 to 8 strikes/15 min/cell. * CWR...................50 percent. * Haines index..........3. .TONIGHT... * Sky/weather...........Mostly cloudy. Scattered snow showers and isolated thunderstorms in the evening, then isolated snow showers overnight. * Min temperature.......35-40 at 5000 feet...25-35 at 7000 feet. * 24 hr trend.........7 degrees cooler. * Max humidity..........71-80 percent at 5000 feet...76-86 percent at 7000 feet. * 24 hr trend.........19 percent wetter. * Wind (20 ft) * Slope/valley.........Northwest winds 5 to 15 mph. Gusts up to 30 mph in the evening. * Ridgetop.............Northwest 10 to 20 mph. * LAL...................2...1 to 8 strikes/15 min/cell. * CWR...................20 percent. .MONDAY... * Sky/weather...........Mostly cloudy. Scattered snow showers in the morning, then snow showers and isolated thunderstorms in the afternoon. * Max temperature.......48-56 at 5000 feet...38-48 at 7000 feet. * 24 hr trend.........8 degrees cooler. * Min humidity..........43-53 percent at 5000 feet...56-66 percent at 7000 feet. * 24 hr trend.........14 percent wetter. * Wind (20 ft) * Slope/valley.........North winds 5 to 15 mph. * Ridgetop.............Southeast 5 to 10 mph. * LAL...................2...1 to 8 strikes/15 min/cell. * CWR...................60 percent. * Haines index..........2. .Forecast days 3 through 7...... .MONDAY NIGHT...Mostly cloudy. Numerous snow showers and isolated thunderstorms. Lows 37 to 42. Northwest winds 5 to 15 mph. .TUESDAY...Mostly cloudy. Snow showers and isolated thunderstorms. Lows 37 to 42. Highs 49 to 57. Northwest winds 5 to 15 mph. .WEDNESDAY...Mostly cloudy. Numerous snow showers and isolated thunderstorms. Lows 40 to 46. Highs 58 to 65. Southwest winds 5 to 15 mph. .THURSDAY...Mostly cloudy. Snow showers and isolated thunderstorms. Lows 36 to 41. Highs 52 to 60. West winds 5 to 15 mph. .FRIDAY...Mostly cloudy. Numerous snow showers and isolated thunderstorms. Lows 37 to 42. Highs 47 to 57. .SATURDAY...Partly sunny. Numerous showers with possible snow showers and thunderstorms. Highs 55 to 63. $$ MTZ127-192215- Golden Valley County/Musselshell county- 237 AM MDT Sun May 19 2024 .Today... * Sky/weather...........Mostly cloudy. Scattered rain showers in the morning, then rain likely in the afternoon. * Max temperature.......53-58. * 24 hr trend.........6 degrees cooler. * Min humidity..........40-45 percent. * 24 hr trend.........23 percent wetter. * Wind (20 ft) * Plains...............North winds 10 to 20 mph with gusts to around 30 mph. * LAL...................1...no thunderstorms. * CWR...................10 percent. * Haines index..........3. .TONIGHT... * Sky/weather...........Partly cloudy. Isolated rain showers in the evening. * Min temperature.......36-41. * 24 hr trend.........4 degrees cooler. * Max humidity..........73-78 percent. * 24 hr trend.........21 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. .MONDAY... * Sky/weather...........Partly sunny. Isolated rain showers in the morning, then scattered rain showers and isolated thunderstorms in the afternoon. * Max temperature.......53-58. * 24 hr trend.........Unchanged. * Min humidity..........40-45 percent. * 24 hr trend.........Unchanged. * Wind (20 ft) * Plains...............Northwest winds 5 to 15 mph in the morning shifting to the northeast 5 to 10 mph in the afternoon. * LAL...................1...no thunderstorms. * CWR...................Less than 10 percent. * Haines index..........3. .Forecast days 3 through 7...... .MONDAY NIGHT...Mostly cloudy. Scattered showers and isolated thunderstorms. Lows 39 to 44. North winds 5 to 15 mph. .TUESDAY...Mostly cloudy. Scattered rain showers. Lows 41 to 46. Highs 56 to 61. West winds 5 to 10 mph. .WEDNESDAY...Mostly cloudy. Scattered showers. Lows 42 to 47. Highs 62 to 67. South winds 5 to 15 mph. .THURSDAY...Mostly cloudy. Numerous showers and isolated thunderstorms. Lows 39 to 44. Highs 53 to 58. North winds 5 to 15 mph. .FRIDAY...Mostly cloudy. Scattered showers. Lows 39 to 44. Highs 51 to 56. .SATURDAY...Not as cool. Partly sunny. Scattered showers. Highs 59 to 64. $$ MTZ128-192215- Yellowstone County- 237 AM MDT Sun May 19 2024 .Today... * Sky/weather...........Mostly cloudy. Scattered rain showers in the morning, then rain likely in the afternoon. * Max temperature.......58-63. * 24 hr trend.........5 degrees cooler. * Min humidity..........39-44 percent. * 24 hr trend.........21 percent wetter. * Wind (20 ft) * Plains...............North winds 10 to 20 mph. * LAL...................1...no thunderstorms. * CWR...................20 percent. * Haines index..........3. .TONIGHT... * Sky/weather...........Partly cloudy. Isolated rain showers in the evening. * Min temperature.......36-41. * 24 hr trend.........5 degrees cooler. * Max humidity..........77-82 percent. * 24 hr trend.........19 percent wetter. * Wind (20 ft) * Plains...............West winds 5 to 15 mph. * LAL...................2...1 to 8 strikes/15 min/cell. * CWR...................Zero. .MONDAY... * Sky/weather...........Partly sunny. Isolated rain showers in the morning, then scattered rain showers and isolated thunderstorms in the afternoon. * Max temperature.......58-63. * 24 hr trend.........Unchanged. * Min humidity..........36-41 percent. * 24 hr trend.........3 percent drier. * Wind (20 ft) * Plains...............West winds 5 to 10 mph in the morning shifting to the northeast 5 to 15 mph in the afternoon. * LAL...................1...no thunderstorms. * CWR...................Less than 10 percent. * Haines index..........3. .Forecast days 3 through 7...... .MONDAY NIGHT...Mostly cloudy. Scattered showers and isolated thunderstorms. Lows 41 to 46. North winds 5 to 15 mph. .TUESDAY...Mostly cloudy. Scattered showers and isolated thunderstorms. Lows 40 to 45. Highs 60 to 65. Southwest winds 5 to 10 mph. .WEDNESDAY...Mostly cloudy. Scattered showers. Lows 43 to 48. Highs 67 to 72. South winds 5 to 15 mph. .THURSDAY...Mostly cloudy. Numerous showers and isolated thunderstorms. Lows 40 to 45. Highs 59 to 64. North winds 5 to 15 mph. .FRIDAY...Mostly cloudy. Scattered showers. Lows 39 to 44. Highs 58 to 63. .SATURDAY...Partly sunny. Scattered showers. Highs 64 to 69. $$ MTZ129-192215- Crow Indian Reservation/Bighorn Canyon Rec Area- 237 AM MDT Sun May 19 2024 .Today... * Sky/weather...........Mostly sunny. Scattered rain showers in the afternoon. * Max temperature.......52-62 at 5000 feet...45-55 at 7000 feet. * 24 hr trend.........2 degrees cooler. * Min humidity..........43-48 percent. * 24 hr trend.........18 percent wetter. * Wind (20 ft) * Slope/valley.........Northwest winds 10 to 20 mph. Gusts up to 30 mph in the afternoon. * Ridgetop.............Southwest 15 to 30 mph. * LAL...................1...no thunderstorms. * CWR...................Less than 10 percent. * Haines index..........3. .TONIGHT... * Sky/weather...........Mostly cloudy. Isolated rain showers in the evening. * Min temperature.......33-40 at 5000 feet...29-34 at 7000 feet. * 24 hr trend.........6 degrees cooler. * Max humidity..........75-85 percent at 5000 feet...81-86 percent at 7000 feet. * 24 hr trend.........26 percent wetter. * Wind (20 ft) * Slope/valley.........Northwest winds 5 to 15 mph. Gusts up to 30 mph in the evening. * Ridgetop.............Northwest 15 to 25 mph. * LAL...................2...1 to 8 strikes/15 min/cell. * CWR...................Zero. .MONDAY... * Sky/weather...........Mostly sunny with scattered rain showers in the morning, then mostly cloudy with rain likely in the afternoon. * Max temperature.......47-57 at 5000 feet...40-46 at 7000 feet. * 24 hr trend.........5 degrees cooler. * Min humidity..........50-60 percent at 5000 feet...58-66 percent at 7000 feet. * 24 hr trend.........6 percent wetter. * Wind (20 ft) * Slope/valley.........North winds 5 to 15 mph. * Ridgetop.............Light winds. * LAL...................1...no thunderstorms. * CWR...................Less than 10 percent. * Haines index..........2. .Forecast days 3 through 7...... .MONDAY NIGHT...Mostly cloudy. Scattered rain showers. Lows 36 to 43. Southeast winds 5 to 10 mph. .TUESDAY...Mostly cloudy. Numerous showers and isolated thunderstorms. Lows 36 to 43. Highs 48 to 58. Northwest winds 5 to 15 mph. .WEDNESDAY...Mostly cloudy. Scattered showers and isolated thunderstorms. Lows 41 to 47. Highs 57 to 67. South winds 5 to 15 mph. .THURSDAY...Mostly cloudy. Numerous showers and isolated thunderstorms. Lows 35 to 42. Highs 51 to 61. Northwest winds 5 to 15 mph. .FRIDAY...Mostly cloudy. Numerous showers. Lows 37 to 43. Highs 48 to 58. .SATURDAY...Not as cool. Partly sunny. Scattered showers. Highs 55 to 65. $$ MTZ130-192215- Northern Rosebud/Northern Treasure Counties- 237 AM MDT Sun May 19 2024 .Today... * Sky/weather...........Mostly cloudy. Isolated rain showers in the morning, then scattered rain showers in the afternoon. * Max temperature.......64-69. * 24 hr trend.........1 degree warmer. * Min humidity..........35-40 percent. * 24 hr trend.........19 percent wetter. * Wind (20 ft) * Plains...............North winds 5 to 15 mph. * LAL...................1...no thunderstorms. * CWR...................Zero. * Haines index..........3. .TONIGHT... * Sky/weather...........Partly cloudy. Isolated rain showers in the evening. * Min temperature.......38-43. * 24 hr trend.........3 degrees cooler. * Max humidity..........85-90 percent. * 24 hr trend.........25 percent wetter. * Wind (20 ft) * Plains...............Northwest winds 5 to 15 mph. * LAL...................1...no thunderstorms. * CWR...................Zero. .MONDAY... * Sky/weather...........Mostly sunny. Isolated rain showers in the afternoon. * Max temperature.......61-66. * 24 hr trend.........3 degrees cooler. * Min humidity..........32-37 percent. * 24 hr trend.........3 percent drier. * Wind (20 ft) * Plains...............Northwest winds 5 to 15 mph. * LAL...................1...no thunderstorms. * CWR...................Zero. * Haines index..........3. .Forecast days 3 through 7...... .MONDAY NIGHT...Mostly cloudy. Isolated rain showers. Lows 41 to 46. Northwest winds 5 to 10 mph. .TUESDAY...Mostly cloudy. Scattered rain showers. Lows 41 to 46. Highs 63 to 68. Northwest winds 5 to 10 mph. .WEDNESDAY...Mostly cloudy. Scattered showers. Lows 45 to 50. Highs 69 to 74. Southeast winds 5 to 10 mph. .THURSDAY...Mostly cloudy. Numerous showers and isolated thunderstorms. Lows 41 to 46. Highs 64 to 69. Northeast winds 5 to 15 mph. .FRIDAY...Mostly cloudy. Numerous showers. Lows 39 to 44. Highs 56 to 61. .SATURDAY...Warmer. Partly sunny. Scattered showers. Highs 66 to 71. $$ MTZ131-192215- Northern Cheyenne Indian Reservation/Ashland Ranger District Custer Natl Forest- 237 AM MDT Sun May 19 2024 .Today... * Sky/weather...........Mostly sunny. Isolated rain showers in the afternoon. * Max temperature.......66-71. * 24 hr trend.........2 degrees warmer. * Min humidity..........34-39 percent. * 24 hr trend.........13 percent wetter. * Wind (20 ft) * Slope/valley.........Northwest winds 10 to 20 mph. * Ridgetop.............Southwest 15 to 25 mph. * LAL...................1...no thunderstorms. * CWR...................Zero. * Haines index..........3. .TONIGHT... * Sky/weather...........Partly cloudy. * Min temperature.......36-41. * 24 hr trend.........3 degrees cooler. * Max humidity..........84-89 percent. * 24 hr trend.........21 percent wetter. * Wind (20 ft) * Slope/valley.........Northwest winds 5 to 15 mph. Gusts up to 30 mph in the evening. * Ridgetop.............West 15 to 25 mph. * LAL...................2...1 to 8 strikes/15 min/cell. * CWR...................Zero. .MONDAY... * Sky/weather...........Mostly sunny in the morning, then mostly cloudy with scattered rain showers in the afternoon. * Max temperature.......56-61. * 24 hr trend.........10 degrees cooler. * Min humidity..........39-44 percent. * 24 hr trend.........5 percent wetter. * Wind (20 ft) * Slope/valley.........North winds 5 to 15 mph. * Ridgetop.............West 5 to 10 mph. * LAL...................1...no thunderstorms. * CWR...................Zero. * Haines index..........2. .Forecast days 3 through 7...... .MONDAY NIGHT...Mostly cloudy. Scattered rain showers. Lows 39 to 44. Northeast winds 5 to 10 mph. .TUESDAY...Mostly cloudy. Numerous showers and isolated thunderstorms. Lows 35 to 40. Highs 56 to 61. Northwest winds 5 to 15 mph. .WEDNESDAY...Warmer. Partly cloudy. Isolated showers. Lows 41 to 46. Highs 67 to 72. Southeast winds 5 to 10 mph. .THURSDAY...Mostly cloudy. Numerous showers and isolated thunderstorms. Lows 38 to 43. Highs 64 to 69. North winds 5 to 15 mph. .FRIDAY...Mostly cloudy. Scattered showers. Lows 38 to 43. Highs 57 to 62. .SATURDAY...Partly sunny. Scattered showers. Highs 63 to 68. $$ MTZ132-192215- Custer County- 237 AM MDT Sun May 19 2024 .Today... * Sky/weather...........Mostly sunny. Scattered rain showers in the afternoon. * Max temperature.......65-70. * 24 hr trend.........6 degrees warmer. * Min humidity..........34-39 percent. * 24 hr trend.........9 percent wetter. * Wind (20 ft) * Plains...............East winds 5 to 15 mph in the morning shifting to the northwest 10 to 20 mph in the afternoon. * LAL...................1...no thunderstorms. * CWR...................Zero. * Haines index..........3. .TONIGHT... * Sky/weather...........Partly cloudy. Scattered rain showers and isolated thunderstorms in the evening. * Min temperature.......37-42. * 24 hr trend.........4 degrees cooler. * Max humidity..........86-91 percent. * 24 hr trend.........30 percent wetter. * Wind (20 ft) * Plains...............Northwest winds 10 to 20 mph. * LAL...................2...1 to 8 strikes/15 min/cell. * CWR...................Zero. .MONDAY... * Sky/weather...........Partly sunny. Isolated rain showers in the afternoon. * Max temperature.......57-62. * 24 hr trend.........8 degrees cooler. * Min humidity..........35-40 percent. * 24 hr trend.........1 percent wetter. * Wind (20 ft) * Plains...............Northwest winds 5 to 15 mph. * LAL...................1...no thunderstorms. * CWR...................Zero. * Haines index..........3. .Forecast days 3 through 7...... .MONDAY NIGHT...Mostly cloudy. Isolated rain showers. Lows 40 to 45. North winds 5 to 10 mph. .TUESDAY...Mostly cloudy. Scattered rain showers. Lows 38 to 43. Highs 59 to 64. Northwest winds 5 to 15 mph. .WEDNESDAY...Partly cloudy. Isolated showers. Lows 43 to 48. Highs 64 to 69. Southeast winds 5 to 15 mph. .THURSDAY...Mostly cloudy. Numerous showers and scattered thunderstorms. Lows 41 to 46. Highs 63 to 68. Northeast winds 10 to 20 mph. .FRIDAY...Cooler. Mostly cloudy. Scattered showers. Lows 38 to 43. Highs 53 to 58. .SATURDAY...Warmer. Partly sunny. Scattered showers. Highs 61 to 66. $$ MTZ133-192215- Sioux Ranger District Custer National Forest- 237 AM MDT Sun May 19 2024 .Today... * Sky/weather...........Mostly sunny. Isolated showers and thunderstorms in the afternoon. * Max temperature.......72-77. * 24 hr trend.........11 degrees warmer. * Min humidity..........31-36 percent. * 24 hr trend.........5 percent wetter. * Wind (20 ft) * Plains...............East winds 5 to 15 mph in the morning shifting to the north 10 to 20 mph in the afternoon. * LAL...................2...1 to 8 strikes/15 min/cell. * CWR...................Zero. * Haines index..........4. .TONIGHT... * Sky/weather...........Mostly cloudy. Scattered rain showers and isolated thunderstorms in the evening, then isolated rain showers overnight. * Min temperature.......40-45. * 24 hr trend.........1 degree cooler. * Max humidity..........83-88 percent. * 24 hr trend.........19 percent wetter. * Wind (20 ft) * Plains...............Northwest winds 10 to 20 mph. Gusts up to 30 mph in the evening. * LAL...................2...1 to 8 strikes/15 min/cell. * CWR...................Zero. .MONDAY... * Sky/weather...........Partly sunny. Scattered rain showers in the afternoon. * Max temperature.......59-64. * 24 hr trend.........13 degrees cooler. * Min humidity..........36-41 percent. * 24 hr trend.........5 percent wetter. * Wind (20 ft) * Plains...............Northwest winds 10 to 20 mph. * LAL...................1...no thunderstorms. * CWR...................Zero. * Haines index..........3. .Forecast days 3 through 7...... .MONDAY NIGHT...Mostly cloudy. Scattered rain showers. Lows 42 to 47. North winds 5 to 10 mph. .TUESDAY...Mostly cloudy. Scattered rain showers. Lows 38 to 43. Highs 59 to 64. North winds 5 to 15 mph. .WEDNESDAY...Partly cloudy. Isolated showers. Lows 43 to 48. Highs 66 to 71. South winds 5 to 15 mph. .THURSDAY...Mostly cloudy. Numerous showers and isolated thunderstorms. Lows 42 to 47. Highs 68 to 73. East winds 10 to 20 mph. .FRIDAY...Cooler. Mostly cloudy. Scattered showers. Lows 38 to 43. Highs 57 to 62. .SATURDAY...Partly sunny. Scattered showers. Highs 63 to 68. $$ WYZ274-192215- Sheridan County- 237 AM MDT Sun May 19 2024 .Today... * Sky/weather...........Mostly sunny. Scattered rain showers and isolated thunderstorms in the afternoon. * Max temperature.......66-71. * 24 hr trend.........4 degrees warmer. * Min humidity..........39-44 percent. * 24 hr trend.........10 percent wetter. * Wind (20 ft) * Slope/valley.........Northwest winds 5 to 15 mph in the morning increasing to 15 to 25 mph with gusts to around 30 mph in the afternoon. * Ridgetop.............Southwest 15 to 30 mph. * LAL...................1...no thunderstorms. * CWR...................Zero. * Haines index..........3. .TONIGHT... * Sky/weather...........Partly cloudy. Isolated showers and thunderstorms in the evening. * Min temperature.......34-39. * 24 hr trend.........4 degrees cooler. * Max humidity..........80-85 percent. * 24 hr trend.........18 percent wetter. * Wind (20 ft) * Slope/valley.........Northwest winds 10 to 20 mph with gusts to around 30 mph in the evening becoming west 5 to 10 mph overnight. * Ridgetop.............Northwest 10 to 20 mph. * LAL...................2...1 to 8 strikes/15 min/cell. * CWR...................Zero. .MONDAY... * Sky/weather...........Mostly cloudy. Scattered rain showers in the morning, then rain likely in the afternoon. * Max temperature.......54-59. * 24 hr trend.........12 degrees cooler. * Min humidity..........51-56 percent. * 24 hr trend.........12 percent wetter. * Wind (20 ft) * Slope/valley.........Northwest winds 5 to 10 mph in the morning shifting to the southeast in the afternoon. * Ridgetop.............Southeast 5 to 10 mph. * LAL...................1...no thunderstorms. * CWR...................10 percent. * Haines index..........2. .Forecast days 3 through 7...... .MONDAY NIGHT...Cloudy. Numerous showers and isolated thunderstorms. Lows 36 to 41. Southwest winds 5 to 10 mph. .TUESDAY...Mostly cloudy. Rain and isolated thunderstorms. Lows 33 to 38. Highs 53 to 58. West winds 5 to 10 mph. .WEDNESDAY...Warmer. Mostly cloudy. Isolated showers and thunderstorms. Lows 38 to 43. Highs 66 to 71. South winds 5 to 10 mph. .THURSDAY...Mostly cloudy. Numerous showers and isolated thunderstorms. Lows 36 to 41. Highs 64 to 69. Northwest winds 5 to 15 mph. .FRIDAY...Cooler. Mostly cloudy. Scattered showers. Lows 35 to 40. Highs 54 to 59. .SATURDAY...Warmer. Partly sunny. Scattered showers. Highs 64 to 69. $$ WYZ284-192215- Bighorn National Forest- 237 AM MDT Sun May 19 2024 .Today... * Sky/weather...........Partly sunny. Isolated rain showers in the morning, then numerous rain showers and isolated thunderstorms in the afternoon. * Max temperature.......51-56. * 24 hr trend.........3 degrees warmer. * Min humidity..........37-42 percent. * 24 hr trend.........17 percent wetter. * Wind (20 ft) * At Burgess Jct.......West winds 10 to 20 mph. Gusts up to 30 mph in the afternoon. * LAL...................1...no thunderstorms. * CWR...................Less than 10 percent. * Haines index..........3. .TONIGHT... * Sky/weather...........Mostly cloudy. Scattered snow showers and isolated thunderstorms in the evening, then isolated snow showers overnight. * Min temperature.......25-30. * 24 hr trend.........9 degrees cooler. * Max humidity..........86-91 percent. * 24 hr trend.........33 percent wetter. * Wind (20 ft) * At Burgess Jct.......Northwest winds 5 to 15 mph. Gusts up to 30 mph in the evening. * LAL...................2...1 to 8 strikes/15 min/cell. * CWR...................Zero. .MONDAY... * Sky/weather...........Mostly cloudy. Scattered snow showers in the morning, then snow showers and isolated thunderstorms in the afternoon. * Max temperature.......38-43. * 24 hr trend.........13 degrees cooler. * Min humidity..........65-70 percent. * 24 hr trend.........28 percent wetter. * Wind (20 ft) * At Burgess Jct.......North winds 5 to 10 mph. * LAL...................1...no thunderstorms. * CWR...................60 percent. * Haines index..........2. .Forecast days 3 through 7...... .MONDAY NIGHT...Cloudy. Snow showers and isolated thunderstorms. Lows 26 to 31. Northeast winds 5 to 10 mph. .TUESDAY...Mostly cloudy. Snow showers and isolated thunderstorms. Lows 25 to 30. Highs 38 to 43. North winds 5 to 15 mph. .WEDNESDAY...Mostly cloudy. Scattered showers, snow showers and isolated thunderstorms. Lows 30 to 35. Highs 48 to 53. Southwest winds 5 to 15 mph. .THURSDAY...Mostly cloudy. Showers with possible snow showers and thunderstorms likely. Lows 26 to 31. Highs 47 to 52. West winds 5 to 15 mph with gusts to around 30 mph. .FRIDAY...Mostly cloudy. Numerous snow showers. Lows 26 to 31. Highs 40 to 45. .SATURDAY...Not as cool. Partly sunny. Scattered showers and isolated snow showers. Highs 48 to 53. $$ weather.gov/billings