Routine Fire Wx Fcst (With/Without 6-10 Day Outlook)
Issued by NWS Billings, MT
Issued by NWS Billings, MT
539 FNUS55 KBYZ 141856 FWFBYZ Fire Weather Planning Forecast for SCen and SErn Montana National Weather Service Billings MT 1256 PM MDT Mon Jul 14 2025 .DISCUSSION... ...High based mainly dry thunderstorms this afternoon/evening... ...Strong cold frontal passage late this evening... ...Gusty north winds behind the front into Tuesday afternoon... ...Strong wetting rain chances and cool temperatures Tue/Wed... Hot dry conditions with occasional thermal gusts to 25 mph this afternoon into this evening. Expect mainly high based dry thunderstorms this afternoon through at least mid evening. with wind gusts 40 to 60 mph possible near storms. Thunderstorms will become wetter as a cold front moves into the area late evening into the early morning hours. North winds gusting 20 to 35 mph can be expected behind the cold front overnight through much of the day Tuesday. Cool wet conditions are expected across the district Tuesday and Wednesday with afternoon temperatures in the 60s and wetting rain chances near 100 percent most locations. Widespread rainfall totals of 0.5 to 1.0 inch are expected from Tuesday into Wednesday, with the best chances Tuesday afternoon through Wednesday morning. Drier with seasonal temperatures Thursday and Friday. Chambers MTZ123-151015- Gallatin National Forest- 1256 PM MDT Mon Jul 14 2025 .Tonight... * Sky/weather...........Partly cloudy. Scattered dry thunderstorms and rain showers in the evening, then isolated rain showers overnight. Some thunderstorms may produce gusty winds in the evening. * Min temperature.......48-58 at 5000 feet...44-54 at 7000 feet. * 24 hr trend.........7 degrees cooler. * Max humidity..........83-88 percent. * 24 hr trend.........21 percent wetter. * Wind (20 ft) * Slope/valley.........North winds 5 to 10 mph. * Ridgetop.............Northwest 5 to 10 mph. * Chance of lightning...25 percent. * CWR...................20 percent. .TUESDAY... * Sky/weather...........Partly sunny. Rain showers and scattered thunderstorms in the afternoon. * Max temperature.......61-71 at 5000 feet...57-67 at 7000 feet. * 24 hr trend.........21 degrees cooler. * Min humidity..........56-66 percent at 5000 feet...60-70 percent at 7000 feet. * 24 hr trend.........40 percent wetter. * Wind (20 ft) * Slope/valley.........North winds 5 to 10 mph. * Ridgetop.............Southwest 5 to 10 mph. * Chance of lightning...46 percent. * CWR...................70 percent. .TUESDAY NIGHT... * Sky/weather...........Cloudy. Rain showers and scattered thunderstorms in the evening, then scattered rain showers overnight. Patchy fog overnight. * Min temperature.......43-52 at 5000 feet...38-48 at 7000 feet. * 24 hr trend.........6 degrees cooler. * Max humidity..........93-98 percent. * 24 hr trend.........10 percent wetter. * Wind (20 ft) * Slope/valley.........North winds 5 to 10 mph. * Ridgetop.............Light winds. * Chance of lightning...37 percent. * CWR...................60 percent. .WEDNESDAY... * Sky/weather...........Mostly cloudy. Patchy fog in the morning. Scattered rain showers in the morning, then scattered rain showers and isolated thunderstorms in the afternoon. * Max temperature.......64-74 at 5000 feet...55-65 at 7000 feet. * 24 hr trend.........2 degrees warmer. * Min humidity..........45-55 percent at 5000 feet...50-60 percent at 7000 feet. * 24 hr trend.........18 percent drier. * Wind (20 ft) * Slope/valley.........North winds 5 to 10 mph. * Ridgetop.............Southwest 5 to 10 mph. * Chance of lightning...23 percent. * CWR...................10 percent. .Forecast days 3 through 7...... .WEDNESDAY NIGHT...Mostly clear. Lows 41 to 51. East winds 5 to 10 mph. .THURSDAY...Warmer. Mostly clear. Isolated showers. Lows 46 to 56. Highs 79 to 89. West winds 5 to 10 mph. .FRIDAY...Mostly clear. Isolated showers and thunderstorms. Lows 47 to 57. Highs 79 to 89. Southwest winds 5 to 10 mph. .SATURDAY...Mostly clear. Isolated showers and thunderstorms. Lows 49 to 59. Highs 82 to 92. Southwest winds 5 to 10 mph. .SUNDAY...Partly cloudy. Lows 50 to 60. Highs 82 to 92. .MONDAY...Mostly sunny. Highs 79 to 89. $$ MTZ124-151015- Wheatland County/Sweet Grass County- 1256 PM MDT Mon Jul 14 2025 .Tonight... * Sky/weather...........Mostly cloudy. Scattered dry thunderstorms and rain showers in the evening, then scattered rain showers and isolated thunderstorms overnight. Some thunderstorms may produce gusty winds in the evening. * Min temperature.......51-56. * 24 hr trend.........4 degrees cooler. * Max humidity..........93-98 percent. * 24 hr trend.........28 percent wetter. * Wind (20 ft) * Plains...............North winds 15 to 25 mph with gusts to around 30 mph. * Chance of lightning...36 percent. * CWR...................30 percent. .TUESDAY... * Sky/weather...........Cloudy. Patchy fog in the morning. Numerous rain showers and scattered thunderstorms in the morning, then rain showers and scattered thunderstorms in the afternoon. * Max temperature.......55-60. * 24 hr trend.........34 degrees cooler. * Min humidity..........83-88 percent. * 24 hr trend.........64 percent wetter. * Wind (20 ft) * Plains...............Northeast winds 10 to 20 mph. * Chance of lightning...40 percent. * CWR...................80 percent. .TUESDAY NIGHT... * Sky/weather...........Cloudy. Rain showers and scattered thunderstorms in the evening, then rain showers overnight. Patchy fog overnight. * Min temperature.......44-49. * 24 hr trend.........7 degrees cooler. * Max humidity..........100 percent. * 24 hr trend.........5 percent wetter. * Wind (20 ft) * Plains...............Northeast winds 10 to 20 mph. * Chance of lightning...35 percent. * CWR...................90 percent. .WEDNESDAY... * Sky/weather...........Mostly cloudy. Patchy fog in the morning. Scattered rain showers in the morning, then scattered rain showers and isolated thunderstorms in the afternoon. * Max temperature.......59-64. * 24 hr trend.........4 degrees warmer. * Min humidity..........59-64 percent. * 24 hr trend.........24 percent drier. * Wind (20 ft) * Plains...............East winds 5 to 15 mph. * Chance of lightning...20 percent. * CWR...................30 percent. .Forecast days 3 through 7...... .WEDNESDAY NIGHT...Mostly cloudy. Areas of fog. Lows 43 to 48. Southeast winds 5 to 15 mph. .THURSDAY...Warmer. Partly cloudy. Isolated showers and thunderstorms. Lows 48 to 53. Highs 76 to 81. East winds 5 to 15 mph. .FRIDAY...Mostly clear. Isolated showers and thunderstorms. Lows 49 to 54. Highs 76 to 81. Northeast winds 5 to 15 mph. .SATURDAY...Partly cloudy. Isolated showers and thunderstorms. Lows 51 to 56. Highs 82 to 87. South winds 5 to 15 mph. .SUNDAY...Partly cloudy. Isolated showers and thunderstorms. Lows 51 to 56. Highs 83 to 88. .MONDAY...Mostly sunny. Isolated showers and thunderstorms. Highs 79 to 84. $$ MTZ125-151015- Stillwater County- 1256 PM MDT Mon Jul 14 2025 .Tonight... * Sky/weather...........Mostly cloudy. Scattered dry thunderstorms and rain showers in the evening, then scattered rain showers overnight. Some thunderstorms may produce gusty winds in the evening. * Min temperature.......54-59. * 24 hr trend.........4 degrees cooler. * Max humidity..........89-94 percent. * 24 hr trend.........31 percent wetter. * Wind (20 ft) * Plains...............Southwest winds 5 to 15 mph in the evening shifting to the north overnight. * Chance of lightning...34 percent. * CWR...................20 percent. .TUESDAY... * Sky/weather...........Cloudy. Patchy fog in the morning. Scattered rain showers in the morning, then rain showers and scattered thunderstorms in the afternoon. * Max temperature.......58-63. * 24 hr trend.........31 degrees cooler. * Min humidity..........80-85 percent. * 24 hr trend.........57 percent wetter. * Wind (20 ft) * Plains...............Northeast winds 5 to 15 mph. * Chance of lightning...43 percent. * CWR...................80 percent. .TUESDAY NIGHT... * Sky/weather...........Cloudy. Rain showers and scattered thunderstorms in the evening, then numerous rain showers and isolated thunderstorms overnight. Patchy fog in the evening, then areas of fog overnight. * Min temperature.......47-52. * 24 hr trend.........7 degrees cooler. * Max humidity..........100 percent. * 24 hr trend.........8 percent wetter. * Wind (20 ft) * Plains...............North winds 5 to 10 mph. * Chance of lightning...38 percent. * CWR...................90 percent. .WEDNESDAY... * Sky/weather...........Cloudy. Areas of fog in the morning. Scattered rain showers in the morning, then scattered thunderstorms and rain showers in the afternoon. * Max temperature.......60-65. * 24 hr trend.........2 degrees warmer. * Min humidity..........63-68 percent. * 24 hr trend.........17 percent drier. * Wind (20 ft) * Plains...............Northeast winds 5 to 15 mph. * Chance of lightning...27 percent. * CWR...................40 percent. .Forecast days 3 through 7...... .WEDNESDAY NIGHT...Mostly cloudy. Lows 46 to 51. East winds 5 to 10 mph. .THURSDAY...Warmer. Partly cloudy. Isolated showers and thunderstorms. Lows 52 to 57. Highs 78 to 83. East winds 5 to 10 mph. .FRIDAY...Partly cloudy. Isolated showers and thunderstorms. Lows 53 to 58. Highs 78 to 83. East winds 5 to 10 mph. .SATURDAY...Partly cloudy. Isolated showers and thunderstorms. Lows 55 to 60. Highs 83 to 88. South winds 5 to 10 mph. .SUNDAY...Partly cloudy. Isolated showers and thunderstorms. Lows 56 to 61. Highs 87 to 92. .MONDAY...Sunny. Isolated showers and thunderstorms. Highs 83 to 88. $$ MTZ126-151015- Beartooth Ranger District Custer National Forest- 1256 PM MDT Mon Jul 14 2025 .Tonight... * Sky/weather...........Mostly cloudy. Scattered dry thunderstorms and rain showers in the evening, then scattered rain showers overnight. Some thunderstorms may produce gusty winds in the evening. * Min temperature.......54-61 at 5000 feet...46-56 at 7000 feet. * 24 hr trend.........9 degrees cooler. * Max humidity..........78-88 percent at 5000 feet...82-92 percent at 7000 feet. * 24 hr trend.........38 percent wetter. * Wind (20 ft) * Slope/valley.........Northwest winds 5 to 15 mph. * Ridgetop.............West 5 to 15 mph. * Chance of lightning...31 percent. * CWR...................10 percent. .TUESDAY... * Sky/weather...........Mostly cloudy. Scattered rain showers in the morning, then rain showers and scattered thunderstorms in the afternoon. * Max temperature.......60-70 at 5000 feet...51-61 at 7000 feet. * 24 hr trend.........22 degrees cooler. * Min humidity..........68-78 percent at 5000 feet...74-84 percent at 7000 feet. * 24 hr trend.........54 percent wetter. * Wind (20 ft) * Slope/valley.........North winds 5 to 15 mph. * Ridgetop.............West 5 to 15 mph. * Chance of lightning...46 percent. * CWR...................80 percent. .TUESDAY NIGHT... * Sky/weather...........Cloudy. Rain showers and scattered thunderstorms in the evening, then numerous rain showers and isolated thunderstorms overnight. * Min temperature.......48-55 at 5000 feet...40-50 at 7000 feet. * 24 hr trend.........7 degrees cooler. * Max humidity..........93-98 percent. * 24 hr trend.........12 percent wetter. * Wind (20 ft) * Slope/valley.........North winds 5 to 15 mph. * Ridgetop.............West 5 to 15 mph. * Chance of lightning...37 percent. * CWR...................90 percent. .WEDNESDAY... * Sky/weather...........Mostly cloudy. Numerous rain showers in the morning, then scattered thunderstorms and rain showers in the afternoon. * Max temperature.......57-66 at 5000 feet...50-60 at 7000 feet. * 24 hr trend.........2 degrees cooler. * Min humidity..........61-71 percent at 5000 feet...69-79 percent at 7000 feet. * 24 hr trend.........5 percent drier. * Wind (20 ft) * Slope/valley.........North winds 5 to 15 mph. * Ridgetop.............West 5 to 10 mph. * Chance of lightning...31 percent. * CWR...................40 percent. .Forecast days 3 through 7...... .WEDNESDAY NIGHT...Partly cloudy. Lows 47 to 53. Northwest winds 5 to 15 mph. .THURSDAY...Warmer. Mostly clear. Isolated showers and thunderstorms. Lows 53 to 61. Highs 75 to 84. West winds 5 to 15 mph. .FRIDAY...Partly cloudy. Scattered thunderstorms and showers. Lows 54 to 62. Highs 74 to 83. Northwest winds 5 to 15 mph. .SATURDAY...Partly cloudy. Isolated showers and thunderstorms. Lows 56 to 63. Highs 80 to 88. Southwest winds 5 to 15 mph. .SUNDAY...Partly cloudy. Isolated showers and thunderstorms. Lows 56 to 63. Highs 83 to 92. .MONDAY...Mostly sunny. Isolated showers and thunderstorms. Highs 79 to 88. $$ MTZ127-151015- Golden Valley County/Musselshell county- 1256 PM MDT Mon Jul 14 2025 .Tonight... * Sky/weather...........Mostly cloudy. Scattered dry thunderstorms and rain showers in the evening, then scattered rain showers and isolated thunderstorms overnight. Some thunderstorms may produce gusty winds in the evening. * Min temperature.......53-58. * 24 hr trend.........10 degrees cooler. * Max humidity..........100 percent. * 24 hr trend.........49 percent wetter. * Wind (20 ft) * Plains...............North winds 15 to 25 mph with gusts to around 30 mph. * Chance of lightning...31 percent. * CWR...................30 percent. .TUESDAY... * Sky/weather...........Cloudy. Scattered rain showers and isolated thunderstorms in the morning, then rain showers and scattered thunderstorms in the afternoon. Patchy fog in the afternoon. * Max temperature.......56-61. * 24 hr trend.........34 degrees cooler. * Min humidity..........89-94 percent. * 24 hr trend.........70 percent wetter. * Wind (20 ft) * Plains...............Northeast winds 10 to 20 mph. Gusts up to 30 mph in the morning. * Chance of lightning...27 percent. * CWR...................60 percent. .TUESDAY NIGHT... * Sky/weather...........Cloudy. Patchy fog in the evening. Rain showers and scattered thunderstorms in the evening, then rain showers and isolated thunderstorms overnight. * Min temperature.......48-53. * 24 hr trend.........5 degrees cooler. * Max humidity..........95-100 percent. * 24 hr trend.........1 percent drier. * Wind (20 ft) * Plains...............Northeast winds 10 to 20 mph. * Chance of lightning...34 percent. * CWR...................90 percent. .WEDNESDAY... * Sky/weather...........Mostly cloudy. Patchy fog in the morning. Numerous rain showers and isolated thunderstorms in the morning, then scattered rain showers and isolated thunderstorms in the afternoon. * Max temperature.......56-61. * 24 hr trend.........Unchanged. * Min humidity..........72-77 percent. * 24 hr trend.........17 percent drier. * Wind (20 ft) * Plains...............Northeast winds 5 to 15 mph. * Chance of lightning...21 percent. * CWR...................50 percent. .Forecast days 3 through 7...... .WEDNESDAY NIGHT...Partly cloudy. Lows 48 to 53. East winds 5 to 10 mph. .THURSDAY...Warmer. Partly cloudy. Scattered thunderstorms and showers. Lows 55 to 60. Highs 72 to 77. East winds 5 to 10 mph. .FRIDAY...Partly cloudy. Isolated showers and thunderstorms. Lows 56 to 61. Highs 74 to 79. Northeast winds 5 to 10 mph. .SATURDAY...Mostly clear. Isolated showers and thunderstorms. Lows 59 to 64. Highs 81 to 86. Southeast winds 5 to 10 mph. .SUNDAY...Partly cloudy. Isolated showers and thunderstorms. Lows 59 to 64. Highs 84 to 89. .MONDAY...Sunny. Highs 79 to 84. $$ MTZ128-151015- Yellowstone County- 1256 PM MDT Mon Jul 14 2025 .Tonight... * Sky/weather...........Mostly cloudy. Scattered dry thunderstorms and rain showers in the evening, then scattered rain showers and isolated thunderstorms overnight. Some thunderstorms may produce gusty winds in the evening. * Min temperature.......57-62. * 24 hr trend.........6 degrees cooler. * Max humidity..........91-96 percent. * 24 hr trend.........30 percent wetter. * Wind (20 ft) * Plains...............North winds 10 to 20 mph. * Chance of lightning...29 percent. * CWR...................20 percent. .TUESDAY... * Sky/weather...........Cloudy. Patchy fog in the morning. Scattered rain showers in the morning, then rain showers and scattered thunderstorms in the afternoon. * Max temperature.......61-66. * 24 hr trend.........34 degrees cooler. * Min humidity..........76-81 percent. * 24 hr trend.........59 percent wetter. * Wind (20 ft) * Plains...............Northeast winds 10 to 20 mph. * Chance of lightning...26 percent. * CWR...................40 percent. .TUESDAY NIGHT... * Sky/weather...........Cloudy. Rain showers and scattered thunderstorms in the evening, then rain showers and isolated thunderstorms overnight. * Min temperature.......52-57. * 24 hr trend.........5 degrees cooler. * Max humidity..........95-100 percent. * 24 hr trend.........4 percent wetter. * Wind (20 ft) * Plains...............Northeast winds 10 to 20 mph. * Chance of lightning...33 percent. * CWR...................90 percent. .WEDNESDAY... * Sky/weather...........Mostly cloudy. Patchy fog in the morning. Numerous rain showers in the morning, then scattered rain showers and isolated thunderstorms in the afternoon. * Max temperature.......62-67. * 24 hr trend.........1 degree warmer. * Min humidity..........63-68 percent. * 24 hr trend.........13 percent drier. * Wind (20 ft) * Plains...............Northeast winds 10 to 20 mph. * Chance of lightning...21 percent. * CWR...................50 percent. .Forecast days 3 through 7...... .WEDNESDAY NIGHT...Partly cloudy. Lows 49 to 54. East winds 5 to 15 mph. .THURSDAY...Warmer. Partly cloudy. Lows 57 to 62. Highs 80 to 85. Northeast winds 5 to 10 mph. .FRIDAY...Partly cloudy. Lows 58 to 63. Highs 80 to 85. Northeast winds 5 to 15 mph. .SATURDAY...Mostly clear. Lows 59 to 64. Highs 88 to 93. East winds 5 to 10 mph. .SUNDAY...Partly cloudy. Lows 60 to 65. Highs 91 to 96. .MONDAY...Mostly sunny. Highs 86 to 91. $$ MTZ129-151015- Crow Indian Reservation/Bighorn Canyon Rec Area- 1256 PM MDT Mon Jul 14 2025 .Tonight... * Sky/weather...........Mostly cloudy. Scattered dry thunderstorms and rain showers in the evening, then isolated showers and thunderstorms overnight. Some thunderstorms may produce gusty winds in the evening. * Min temperature.......51-61 at 5000 feet...50-55 at 7000 feet. * 24 hr trend.........13 degrees cooler. * Max humidity..........79-89 percent at 5000 feet...86-96 percent at 7000 feet. * 24 hr trend.........57 percent wetter. * Wind (20 ft) * Slope/valley.........West winds 5 to 15 mph. * Ridgetop.............Northwest 5 to 10 mph. * Chance of lightning...30 percent. * CWR...................20 percent. .TUESDAY... * Sky/weather...........Cloudy. Scattered rain showers and isolated thunderstorms in the morning, then numerous rain showers and scattered thunderstorms in the afternoon. Patchy fog through the day. * Max temperature.......57-67 at 5000 feet...53-59 at 7000 feet. * 24 hr trend.........28 degrees cooler. * Min humidity..........68-78 percent at 5000 feet...78-88 percent at 7000 feet. * 24 hr trend.........65 percent wetter. * Wind (20 ft) * Slope/valley.........Northeast winds 5 to 15 mph. * Ridgetop.............West 5 to 15 mph. * Chance of lightning...30 percent. * CWR...................40 percent. .TUESDAY NIGHT... * Sky/weather...........Patchy fog in the evening. Cloudy with rain showers and scattered thunderstorms. * Min temperature.......46-54 at 5000 feet...44-49 at 7000 feet. * 24 hr trend.........6 degrees cooler. * Max humidity..........91-100 percent at 5000 feet...100 percent at 7000 feet. * 24 hr trend.........1 percent wetter. * Wind (20 ft) * Slope/valley.........Northeast winds 10 to 20 mph. * Ridgetop.............West 5 to 15 mph. * Chance of lightning...43 percent. * CWR...................90 percent. .WEDNESDAY... * Sky/weather...........Cloudy. Numerous rain showers and isolated thunderstorms in the morning, then scattered rain showers and isolated thunderstorms in the afternoon. Patchy fog through the day. * Max temperature.......54-64 at 5000 feet...48-53 at 7000 feet. * 24 hr trend.........5 degrees cooler. * Min humidity..........65-75 percent at 5000 feet...75-85 percent at 7000 feet. * 24 hr trend.........8 percent drier. * Wind (20 ft) * Slope/valley.........Northeast winds 5 to 15 mph. * Ridgetop.............West 5 to 15 mph. * Chance of lightning...24 percent. * CWR...................60 percent. .Forecast days 3 through 7...... .WEDNESDAY NIGHT...Partly cloudy. Isolated showers. Lows 46 to 54. East winds 5 to 15 mph. .THURSDAY...Warmer. Partly cloudy. Isolated showers and thunderstorms. Lows 54 to 61. Highs 72 to 82. East winds 5 to 10 mph. .FRIDAY...Partly cloudy. Isolated showers and thunderstorms. Lows 55 to 62. Highs 71 to 81. Northeast winds 5 to 15 mph. .SATURDAY...Mostly clear. Isolated showers and thunderstorms. Lows 58 to 64. Highs 77 to 87. Southeast winds 5 to 10 mph. .SUNDAY...Mostly clear. Lows 58 to 63. Highs 81 to 91. .MONDAY...Sunny. Highs 76 to 86. $$ MTZ130-151015- Northern Rosebud/Northern Treasure Counties- 1256 PM MDT Mon Jul 14 2025 .Tonight... * Sky/weather...........Mostly cloudy. Scattered dry thunderstorms and rain showers in the evening, then scattered thunderstorms and rain showers overnight. Some thunderstorms may produce gusty winds in the evening. * Min temperature.......59-64. * 24 hr trend.........3 degrees cooler. * Max humidity..........80-85 percent. * 24 hr trend.........24 percent wetter. * Wind (20 ft) * Plains...............Northeast winds 10 to 20 mph. Gusts up to 30 mph overnight. * Chance of lightning...29 percent. * CWR...................10 percent. .TUESDAY... * Sky/weather...........Cloudy. Numerous rain showers and isolated thunderstorms in the morning, then rain showers and scattered thunderstorms in the afternoon. * Max temperature.......63-68. * 24 hr trend.........32 degrees cooler. * Min humidity..........74-79 percent. * 24 hr trend.........58 percent wetter. * Wind (20 ft) * Plains...............Northeast winds 10 to 20 mph. * Chance of lightning...32 percent. * CWR...................50 percent. .TUESDAY NIGHT... * Sky/weather...........Cloudy with rain showers and scattered thunderstorms. * Min temperature.......51-56. * 24 hr trend.........8 degrees cooler. * Max humidity..........95-100 percent. * 24 hr trend.........15 percent wetter. * Wind (20 ft) * Plains...............Northeast winds 10 to 20 mph. * Chance of lightning...32 percent. * CWR...................90 percent. .WEDNESDAY... * Sky/weather...........Mostly cloudy. Patchy fog in the morning. Numerous rain showers and isolated thunderstorms in the morning, then scattered rain showers in the afternoon. * Max temperature.......61-66. * 24 hr trend.........2 degrees cooler. * Min humidity..........62-67 percent. * 24 hr trend.........12 percent drier. * Wind (20 ft) * Plains...............East winds 5 to 15 mph. * Chance of lightning...19 percent. * CWR...................60 percent. .Forecast days 3 through 7...... .WEDNESDAY NIGHT...Partly cloudy. Isolated showers. Lows 48 to 53. East winds 5 to 15 mph. .THURSDAY...Warmer. Partly cloudy. Scattered showers and isolated thunderstorms. Lows 56 to 61. Highs 80 to 85. East winds 5 to 10 mph. .FRIDAY...Mostly clear. Lows 57 to 62. Highs 80 to 85. North winds 5 to 10 mph. .SATURDAY...Mostly clear. Isolated showers and thunderstorms. Lows 61 to 66. Highs 86 to 91. East winds 5 to 10 mph. .SUNDAY...Partly cloudy. Isolated showers and thunderstorms. Lows 61 to 66. Highs 90 to 95. .MONDAY...Sunny. Highs 86 to 91. $$ MTZ131-151015- Northern Cheyenne Indian Reservation/Ashland Ranger District Custer Natl Forest- 1256 PM MDT Mon Jul 14 2025 .Tonight... * Sky/weather...........Mostly cloudy. Scattered dry thunderstorms and rain showers in the evening, then scattered rain showers and isolated thunderstorms overnight. Some thunderstorms may produce gusty winds in the evening. * Min temperature.......56-61. * 24 hr trend.........1 degree cooler. * Max humidity..........90-95 percent. * 24 hr trend.........23 percent wetter. * Wind (20 ft) * Slope/valley.........Northwest winds 5 to 15 mph. * Ridgetop.............West 5 to 10 mph. * Chance of lightning...28 percent. * CWR...................Less than 10 percent. .TUESDAY... * Sky/weather...........Mostly cloudy. Patchy fog in the morning. Scattered rain showers and isolated thunderstorms in the morning, then scattered thunderstorms and rain showers in the afternoon. * Max temperature.......65-70. * 24 hr trend.........29 degrees cooler. * Min humidity..........72-77 percent. * 24 hr trend.........55 percent wetter. * Wind (20 ft) * Slope/valley.........North winds 10 to 20 mph. * Ridgetop.............Northwest 5 to 15 mph. * Chance of lightning...33 percent. * CWR...................20 percent. .TUESDAY NIGHT... * Sky/weather...........Cloudy with rain showers and scattered thunderstorms. Patchy fog overnight. * Min temperature.......50-55. * 24 hr trend.........6 degrees cooler. * Max humidity..........100 percent. * 24 hr trend.........7 percent wetter. * Wind (20 ft) * Slope/valley.........Northeast winds 5 to 15 mph. * Ridgetop.............West 10 to 20 mph. * Chance of lightning...45 percent. * CWR...................90 percent. .WEDNESDAY... * Sky/weather...........Cloudy. Patchy fog in the morning. Numerous rain showers and isolated thunderstorms in the morning, then scattered rain showers and isolated thunderstorms in the afternoon. * Max temperature.......59-64. * 24 hr trend.........6 degrees cooler. * Min humidity..........73-78 percent. * 24 hr trend.........1 percent wetter. * Wind (20 ft) * Slope/valley.........Northeast winds 5 to 15 mph. * Ridgetop.............West 10 to 20 mph. * Chance of lightning...22 percent. * CWR...................70 percent. .Forecast days 3 through 7...... .WEDNESDAY NIGHT...Mostly cloudy. Patchy fog. Isolated showers. Lows 47 to 52. East winds 5 to 15 mph. .THURSDAY...Warmer. Mostly clear. Isolated showers and thunderstorms. Lows 54 to 59. Highs 80 to 85. Southeast winds 5 to 15 mph. .FRIDAY...Partly cloudy. Isolated showers and thunderstorms. Lows 55 to 60. Highs 80 to 85. Northeast winds 5 to 10 mph. .SATURDAY...Mostly clear. Isolated showers and thunderstorms. Lows 59 to 64. Highs 86 to 91. Southeast winds 5 to 10 mph. .SUNDAY...Mostly clear. Lows 58 to 63. Highs 89 to 94. .MONDAY...Sunny. Highs 86 to 91. $$ MTZ132-151015- Custer County- 1256 PM MDT Mon Jul 14 2025 .Tonight... * Sky/weather...........Mostly clear in the evening, then mostly cloudy with scattered thunderstorms and rain showers overnight. * Min temperature.......56-61. * 24 hr trend.........10 degrees cooler. * Max humidity..........87-92 percent. * 24 hr trend.........35 percent wetter. * Wind (20 ft) * Plains...............Northeast winds 10 to 20 mph with gusts to around 30 mph. * Chance of lightning...33 percent. * CWR...................10 percent. .TUESDAY... * Sky/weather...........Cloudy with numerous rain showers and scattered thunderstorms. * Max temperature.......62-67. * 24 hr trend.........30 degrees cooler. * Min humidity..........75-80 percent. * 24 hr trend.........58 percent wetter. * Wind (20 ft) * Plains...............Northeast winds 10 to 20 mph. Gusts up to 30 mph in the morning. * Chance of lightning...39 percent. * CWR...................50 percent. .TUESDAY NIGHT... * Sky/weather...........Cloudy. Scattered thunderstorms and rain showers in the evening, then rain showers and isolated thunderstorms overnight. Patchy fog overnight. * Min temperature.......49-54. * 24 hr trend.........7 degrees cooler. * Max humidity..........95-100 percent. * 24 hr trend.........8 percent wetter. * Wind (20 ft) * Plains...............Northeast winds 10 to 20 mph. * Chance of lightning...29 percent. * CWR...................90 percent. .WEDNESDAY... * Sky/weather...........Mostly cloudy. Patchy fog in the morning. Numerous rain showers and isolated thunderstorms in the morning, then scattered rain showers in the afternoon. * Max temperature.......57-62. * 24 hr trend.........5 degrees cooler. * Min humidity..........63-68 percent. * 24 hr trend.........12 percent drier. * Wind (20 ft) * Plains...............East winds 5 to 15 mph. * Chance of lightning...21 percent. * CWR...................60 percent. .Forecast days 3 through 7...... .WEDNESDAY NIGHT...Partly cloudy. Isolated showers. Lows 46 to 51. East winds 5 to 15 mph. .THURSDAY...Warmer. Partly cloudy. Scattered thunderstorms and showers. Lows 54 to 59. Highs 73 to 78. Southeast winds 5 to 15 mph. .FRIDAY...Partly cloudy. Lows 55 to 60. Highs 78 to 83. Northeast winds 5 to 10 mph. .SATURDAY...Partly cloudy. Isolated showers and thunderstorms. Lows 59 to 64. Highs 82 to 87. Southeast winds 5 to 15 mph. .SUNDAY...Mostly clear. Isolated showers and thunderstorms. Lows 61 to 66. Highs 86 to 91. .MONDAY...Sunny. Highs 83 to 88. $$ MTZ133-151015- Sioux Ranger District Custer National Forest- 1256 PM MDT Mon Jul 14 2025 .Tonight... * Sky/weather...........Mostly cloudy. Isolated rain showers and dry thunderstorms in the evening, then scattered rain showers and isolated thunderstorms overnight. Some thunderstorms may produce gusty winds in the evening. * Min temperature.......60-65. * 24 hr trend.........3 degrees cooler. * Max humidity..........86-91 percent. * 24 hr trend.........20 percent wetter. * Wind (20 ft) * Plains...............Northeast winds 5 to 15 mph. * Chance of lightning...24 percent. * CWR...................Less than 10 percent. .TUESDAY... * Sky/weather...........Mostly cloudy with scattered thunderstorms and rain showers. * Max temperature.......65-70. * 24 hr trend.........30 degrees cooler. * Min humidity..........77-82 percent. * 24 hr trend.........57 percent wetter. * Wind (20 ft) * Plains...............Northeast winds 15 to 25 mph. Gusts up to 30 mph in the afternoon. * Chance of lightning...36 percent. * CWR...................20 percent. .TUESDAY NIGHT... * Sky/weather...........Cloudy. Numerous rain showers and scattered thunderstorms in the evening, then rain showers and scattered thunderstorms overnight. * Min temperature.......50-55. * 24 hr trend.........10 degrees cooler. * Max humidity..........100 percent. * 24 hr trend.........10 percent wetter. * Wind (20 ft) * Plains...............Northeast winds 10 to 20 mph. * Chance of lightning...35 percent. * CWR...................90 percent. .WEDNESDAY... * Sky/weather...........Cloudy. Rain showers and scattered thunderstorms in the morning, then numerous rain showers and isolated thunderstorms in the afternoon. * Max temperature.......56-61. * 24 hr trend.........9 degrees cooler. * Min humidity..........80-85 percent. * 24 hr trend.........3 percent wetter. * Wind (20 ft) * Plains...............East winds 10 to 20 mph. * Chance of lightning...26 percent. * CWR...................70 percent. .Forecast days 3 through 7...... .WEDNESDAY NIGHT...Mostly cloudy. Patchy fog. Scattered showers. Lows 48 to 53. East winds 5 to 15 mph. .THURSDAY...Warmer. Mostly cloudy. Scattered thunderstorms and showers. Lows 54 to 59. Highs 72 to 77. Southeast winds 10 to 20 mph. .FRIDAY...Partly cloudy. Isolated showers and thunderstorms. Lows 55 to 60. Highs 79 to 84. Northeast winds 5 to 15 mph. .SATURDAY...Partly cloudy. Scattered thunderstorms and showers. Lows 59 to 64. Highs 80 to 85. Southeast winds 5 to 15 mph. .SUNDAY...Partly cloudy. Scattered thunderstorms and showers. Lows 60 to 65. Highs 85 to 90. .MONDAY...Mostly sunny. Highs 85 to 90. $$ WYZ274-151015- Sheridan County- 1256 PM MDT Mon Jul 14 2025 .Tonight... * Sky/weather...........Partly cloudy. Scattered dry thunderstorms and rain showers in the evening, then isolated rain showers overnight. Some thunderstorms may produce gusty winds in the evening. * Min temperature.......55-60. * 24 hr trend.........Unchanged. * Max humidity..........88-93 percent. * 24 hr trend.........18 percent wetter. * Wind (20 ft) * Slope/valley.........West winds 5 to 15 mph. * Ridgetop.............Light winds. * Chance of lightning...33 percent. * CWR...................10 percent. .TUESDAY... * Sky/weather...........Cloudy. Patchy fog in the morning. Scattered rain showers in the morning, then numerous rain showers and scattered thunderstorms in the afternoon. * Max temperature.......68-73. * 24 hr trend.........25 degrees cooler. * Min humidity..........67-72 percent. * 24 hr trend.........49 percent wetter. * Wind (20 ft) * Slope/valley.........North winds 5 to 15 mph. * Ridgetop.............West 5 to 10 mph. * Chance of lightning...38 percent. * CWR...................20 percent. .TUESDAY NIGHT... * Sky/weather...........Cloudy. Rain showers and scattered thunderstorms in the evening, then rain showers and isolated thunderstorms overnight. Patchy fog in the evening. Areas of fog overnight. * Min temperature.......48-53. * 24 hr trend.........7 degrees cooler. * Max humidity..........100 percent. * 24 hr trend.........10 percent wetter. * Wind (20 ft) * Slope/valley.........North winds 5 to 15 mph. * Ridgetop.............West 5 to 15 mph. * Chance of lightning...44 percent. * CWR...................80 percent. .WEDNESDAY... * Sky/weather...........Mostly cloudy. Areas of fog in the morning. Numerous rain showers and isolated thunderstorms in the morning, then scattered thunderstorms and rain showers in the afternoon. * Max temperature.......62-67. * 24 hr trend.........6 degrees cooler. * Min humidity..........71-76 percent. * 24 hr trend.........4 percent wetter. * Wind (20 ft) * Slope/valley.........North winds 5 to 15 mph. * Ridgetop.............West 5 to 15 mph. * Chance of lightning...29 percent. * CWR...................60 percent. .Forecast days 3 through 7...... .WEDNESDAY NIGHT...Mostly cloudy. Areas of fog. Lows 45 to 50. East winds 5 to 15 mph. .THURSDAY...Warmer. Mostly clear. Lows 51 to 56. Highs 82 to 87. Southeast winds 5 to 10 mph. .FRIDAY...Partly cloudy. Isolated showers and thunderstorms. Lows 51 to 56. Highs 82 to 87. North winds 5 to 10 mph. .SATURDAY...Partly cloudy. Lows 54 to 59. Highs 87 to 92. Southeast winds 5 to 10 mph. .SUNDAY...Mostly clear. Lows 55 to 60. Highs 90 to 95. .MONDAY...Sunny. Highs 87 to 92. $$ WYZ284-151015- Bighorn National Forest- 1256 PM MDT Mon Jul 14 2025 .Tonight... * Sky/weather...........Mostly cloudy. Scattered dry thunderstorms and rain showers in the evening, then scattered rain showers overnight. Some thunderstorms may produce gusty winds in the evening. * Min temperature.......45-50. * 24 hr trend.........3 degrees cooler. * Max humidity..........89-94 percent. * 24 hr trend.........23 percent wetter. * Wind (20 ft) * At Burgess Jct.......West winds 5 to 15 mph. * Chance of lightning...28 percent. * CWR...................10 percent. .TUESDAY... * Sky/weather...........Partly sunny. Patchy fog in the morning. Scattered rain showers in the morning, then rain showers and scattered thunderstorms in the afternoon. * Max temperature.......58-63. * 24 hr trend.........17 degrees cooler. * Min humidity..........68-73 percent. * 24 hr trend.........48 percent wetter. * Wind (20 ft) * At Burgess Jct.......Northwest winds 5 to 15 mph in the morning shifting to the northeast in the afternoon. * Chance of lightning...42 percent. * CWR...................40 percent. .TUESDAY NIGHT... * Sky/weather...........Cloudy. Rain showers and scattered thunderstorms in the evening, then rain showers and isolated thunderstorms overnight. Patchy fog in the evening. Areas of fog overnight. * Min temperature.......39-44. * 24 hr trend.........6 degrees cooler. * Max humidity..........100 percent. * 24 hr trend.........9 percent wetter. * Wind (20 ft) * At Burgess Jct.......North winds 5 to 15 mph. * Chance of lightning...46 percent. * CWR...................90 percent. .WEDNESDAY... * Sky/weather...........Mostly cloudy. Areas of fog in the morning. Rain showers and isolated thunderstorms in the morning, then numerous rain showers and scattered thunderstorms in the afternoon. * Max temperature.......51-56. * 24 hr trend.........7 degrees cooler. * Min humidity..........79-84 percent. * 24 hr trend.........11 percent wetter. * Wind (20 ft) * At Burgess Jct.......North winds 5 to 15 mph. * Chance of lightning...32 percent. * CWR...................70 percent. .Forecast days 3 through 7...... .WEDNESDAY NIGHT...Partly cloudy. Areas of fog. Isolated showers and thunderstorms. Lows 38 to 43. South winds 5 to 15 mph. .THURSDAY...Warmer. Mostly clear. Isolated showers and thunderstorms. Lows 45 to 50. Highs 68 to 73. Southwest winds 5 to 15 mph. .FRIDAY...Partly cloudy. Isolated showers and thunderstorms. Lows 44 to 49. Highs 68 to 73. West winds 5 to 15 mph. .SATURDAY...Partly cloudy. Isolated showers and thunderstorms. Lows 46 to 51. Highs 72 to 77. Southwest winds 5 to 15 mph. .SUNDAY...Partly cloudy. Isolated showers and thunderstorms. Lows 47 to 52. Highs 74 to 79. .MONDAY...Mostly sunny. Isolated showers and thunderstorms. Highs 71 to 76. $$ weather.gov/billings