Routine Fire Wx Fcst (With/Without 6-10 Day Outlook)
Issued by NWS Billings, MT
Issued by NWS Billings, MT
743 FNUS55 KBYZ 151001 FWFBYZ Fire Weather Planning Forecast for SCen and SErn Montana National Weather Service Billings MT 401 AM MDT Tue Jul 15 2025 ...Cool with strong chances for wetting rains through Wednesday.. .DISCUSSION... Behind a strong cold front last evening/overnight, cool and wet conditions can be expected today through Wednesday as a disturbance moves through the region. North to northeast winds of 15 to 25 mph will be common today with high temperatures in the 60s. Some thunderstorms could be strong over the Beartooth and Pryor/Bighorn mountains and adjacent foothills this afternoon and evening with strong wind gusts and large hail the main threats. Widespread rainfall totals of 0.5 to 1.0 inch are expected through Wednesday, with the best chances this afternoon through Wednesday morning. Drier with seasonal temperatures Thursday and Friday. Palmquist MTZ123-152230- Gallatin National Forest- 401 AM MDT Tue Jul 15 2025 .Today... * Sky/weather...........Mostly cloudy. Rain showers and scattered thunderstorms in the afternoon. * Max temperature.......64-74 at 5000 feet...57-67 at 7000 feet. * 24 hr trend.........24 degrees cooler. * Min humidity..........57-67 percent at 5000 feet...60-70 percent at 7000 feet. * 24 hr trend.........41 percent wetter. * Wind (20 ft) * Slope/valley.........North winds 5 to 15 mph. * Ridgetop.............North 5 to 15 mph. * Chance of lightning...45 percent. * CWR...................80 percent. .TONIGHT... * Sky/weather...........Cloudy. Rain showers and scattered thunderstorms in the evening, then scattered rain showers overnight. Patchy fog overnight. * Min temperature.......43-51 at 5000 feet...38-48 at 7000 feet. * 24 hr trend.........7 degrees cooler. * Max humidity..........86-96 percent at 5000 feet...84-94 percent at 7000 feet. * 24 hr trend.........4 percent wetter. * Wind (20 ft) * Slope/valley.........North winds 5 to 10 mph. * Ridgetop.............North 5 to 15 mph. * Chance of lightning...29 percent. * CWR...................80 percent. .WEDNESDAY... * Sky/weather...........Patchy fog in the morning. Mostly cloudy with isolated rain showers in the morning, then mostly sunny with isolated showers and thunderstorms in the afternoon. * Max temperature.......65-75 at 5000 feet...56-66 at 7000 feet. * 24 hr trend.........4 degrees warmer. * Min humidity..........44-54 percent at 5000 feet...47-57 percent at 7000 feet. * 24 hr trend.........22 percent drier. * Wind (20 ft) * Slope/valley.........North winds 5 to 10 mph. * Ridgetop.............North 5 to 10 mph. * Chance of lightning...15 percent. * CWR...................10 percent. .Forecast days 3 through 7...... .WEDNESDAY NIGHT...Mostly clear. Lows 41 to 51. Southeast winds 5 to 10 mph. .THURSDAY...Warmer. Mostly clear. Lows 47 to 57. Highs 80 to 90. West winds 5 to 10 mph. .FRIDAY...Mostly clear. Isolated showers and thunderstorms. Lows 47 to 57. Highs 80 to 90. Southwest winds 5 to 10 mph. .SATURDAY...Partly cloudy. Isolated showers and thunderstorms. Lows 50 to 60. Highs 82 to 92. Southwest winds 5 to 15 mph. .SUNDAY...Partly cloudy. Lows 49 to 59. Highs 81 to 91. .MONDAY...Sunny. Highs 79 to 89. $$ MTZ124-152230- Wheatland County/Sweet Grass County- 401 AM MDT Tue Jul 15 2025 .Today... * Sky/weather...........Cloudy. Patchy fog in the morning. Numerous rain showers and isolated thunderstorms in the morning, then rain showers and scattered thunderstorms in the afternoon. * Max temperature.......55-60. * 24 hr trend.........37 degrees cooler. * Min humidity..........86-91 percent. * 24 hr trend.........71 percent wetter. * Wind (20 ft) * Plains...............East winds 10 to 20 mph. * Chance of lightning...40 percent. * CWR...................90 percent. .TONIGHT... * Sky/weather...........Cloudy. Rain showers and isolated thunderstorms in the evening, then numerous rain showers overnight. Patchy fog overnight. * Min temperature.......44-49. * 24 hr trend.........7 degrees cooler. * Max humidity..........100 percent. * 24 hr trend.........4 percent wetter. * Wind (20 ft) * Plains...............Northeast winds 10 to 20 mph. * Chance of lightning...21 percent. * CWR...................90 percent. .WEDNESDAY... * Sky/weather...........Cloudy. Patchy fog in the morning. Scattered rain showers in the morning, then isolated showers and thunderstorms in the afternoon. * Max temperature.......60-65. * 24 hr trend.........5 degrees warmer. * Min humidity..........59-64 percent. * 24 hr trend.........27 percent drier. * Wind (20 ft) * Plains...............East winds 5 to 15 mph. * Chance of lightning...20 percent. * CWR...................20 percent. .Forecast days 3 through 7...... .WEDNESDAY NIGHT...Mostly cloudy. Areas of fog. Lows 44 to 49. Southeast winds 5 to 15 mph. .THURSDAY...Warmer. Partly cloudy. Lows 48 to 53. Highs 78 to 83. Southeast winds 5 to 15 mph. .FRIDAY...Mostly clear. Lows 49 to 54. Highs 77 to 82. East winds 5 to 15 mph. .SATURDAY...Partly cloudy. Isolated showers and thunderstorms. Lows 51 to 56. Highs 83 to 88. Southwest winds 5 to 15 mph. .SUNDAY...Partly cloudy. Isolated showers and thunderstorms. Lows 51 to 56. Highs 81 to 86. .MONDAY...Mostly sunny. Isolated showers and thunderstorms. Highs 78 to 83. $$ MTZ125-152230- Stillwater County- 401 AM MDT Tue Jul 15 2025 .Today... * Sky/weather...........Cloudy. Patchy fog in the morning. Rain showers in the morning, then rain showers and scattered thunderstorms in the afternoon. * Max temperature.......59-64. * 24 hr trend.........30 degrees cooler. * Min humidity..........85-90 percent. * 24 hr trend.........62 percent wetter. * Wind (20 ft) * Plains...............Northeast winds 5 to 15 mph. * Chance of lightning...40 percent. * CWR...................80 percent. .TONIGHT... * Sky/weather...........Cloudy. Rain showers and scattered thunderstorms in the evening, then numerous rain showers overnight. Patchy fog. * Min temperature.......47-52. * 24 hr trend.........7 degrees cooler. * Max humidity..........100 percent. * 24 hr trend.........5 percent wetter. * Wind (20 ft) * Plains...............North winds 5 to 15 mph. * Chance of lightning...33 percent. * CWR...................90 percent. .WEDNESDAY... * Sky/weather...........Cloudy. Areas of fog in the morning. Scattered rain showers in the morning, then scattered rain showers and isolated thunderstorms in the afternoon. * Max temperature.......61-66. * 24 hr trend.........2 degrees warmer. * Min humidity..........59-64 percent. * 24 hr trend.........26 percent drier. * Wind (20 ft) * Plains...............Northeast winds 5 to 10 mph. * Chance of lightning...20 percent. * CWR...................30 percent. .Forecast days 3 through 7...... .WEDNESDAY NIGHT...Mostly cloudy. Lows 46 to 51. Southeast winds 5 to 10 mph. .THURSDAY...Warmer. Partly cloudy. Lows 54 to 59. Highs 81 to 86. Southeast winds 5 to 10 mph. .FRIDAY...Partly cloudy. Isolated showers and thunderstorms. Lows 53 to 58. Highs 80 to 85. Northeast winds 5 to 10 mph. .SATURDAY...Partly cloudy. Isolated showers and thunderstorms. Lows 55 to 60. Highs 84 to 89. South winds 5 to 10 mph. .SUNDAY...Partly cloudy. Isolated showers and thunderstorms. Lows 54 to 59. Highs 84 to 89. .MONDAY...Mostly sunny. Isolated showers and thunderstorms. Highs 83 to 88. $$ MTZ126-152230- Beartooth Ranger District Custer National Forest- 401 AM MDT Tue Jul 15 2025 .Today... * Sky/weather...........Cloudy. Scattered rain showers in the morning, then rain showers and scattered thunderstorms in the afternoon. * Max temperature.......60-70 at 5000 feet...52-62 at 7000 feet. * 24 hr trend.........19 degrees cooler. * Min humidity..........67-77 percent at 5000 feet...71-81 percent at 7000 feet. * 24 hr trend.........56 percent wetter. * Wind (20 ft) * Slope/valley.........North winds 10 to 20 mph. * Ridgetop.............North 10 to 20 mph. * Chance of lightning...44 percent. * CWR...................90 percent. .TONIGHT... * 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...39-49 at 7000 feet. * 24 hr trend.........8 degrees cooler. * Max humidity..........88-93 percent. * 24 hr trend.........6 percent drier. * Wind (20 ft) * Slope/valley.........North winds 5 to 15 mph. * Ridgetop.............North 10 to 20 mph. * Chance of lightning...36 percent. * CWR...................90 percent. .WEDNESDAY... * Sky/weather...........Cloudy. Numerous rain showers in the morning, then scattered rain showers and isolated thunderstorms in the afternoon. * Max temperature.......58-67 at 5000 feet...51-61 at 7000 feet. * 24 hr trend.........1 degree cooler. * Min humidity..........60-70 percent at 5000 feet...68-78 percent at 7000 feet. * 24 hr trend.........3 percent drier. * Wind (20 ft) * Slope/valley.........North winds 5 to 15 mph. * Ridgetop.............North 5 to 15 mph. * Chance of lightning...22 percent. * CWR...................40 percent. .Forecast days 3 through 7...... .WEDNESDAY NIGHT...Partly cloudy. Lows 47 to 54. Southeast winds 5 to 10 mph. .THURSDAY...Warmer. Mostly clear. Lows 55 to 62. Highs 77 to 86. West winds 5 to 15 mph. .FRIDAY...Partly cloudy. Scattered showers and thunderstorms. Lows 55 to 62. Highs 76 to 84. Northwest winds 5 to 15 mph. .SATURDAY...Partly cloudy. Isolated showers and thunderstorms. Lows 56 to 63. Highs 80 to 88. West winds 5 to 15 mph. .SUNDAY...Partly cloudy. Isolated showers and thunderstorms. Lows 55 to 62. Highs 81 to 89. .MONDAY...Mostly sunny. Isolated showers and thunderstorms. Highs 79 to 87. $$ MTZ127-152230- Golden Valley County/Musselshell county- 401 AM MDT Tue Jul 15 2025 .Today... * Sky/weather...........Cloudy. Numerous rain showers and isolated thunderstorms in the morning, then rain showers and scattered thunderstorms in the afternoon. Patchy fog in the afternoon. * Max temperature.......54-59. * 24 hr trend.........36 degrees cooler. * Min humidity..........91-96 percent. * 24 hr trend.........73 percent wetter. * Wind (20 ft) * Plains...............Northeast winds 15 to 25 mph. Gusts up to 35 mph in the morning. * Chance of lightning...25 percent. * CWR...................60 percent. .TONIGHT... * Sky/weather...........Cloudy. Patchy fog in the evening. Rain showers and scattered thunderstorms in the evening, then numerous rain showers overnight. * Min temperature.......48-53. * 24 hr trend.........5 degrees cooler. * Max humidity..........92-97 percent. * 24 hr trend.........5 percent drier. * Wind (20 ft) * Plains...............Northeast winds 10 to 20 mph. * Chance of lightning...26 percent. * CWR...................90 percent. .WEDNESDAY... * Sky/weather...........Cloudy. Patchy fog in the morning. Numerous rain showers in the morning, then scattered rain showers and isolated thunderstorms in the afternoon. * Max temperature.......57-62. * 24 hr trend.........3 degrees warmer. * Min humidity..........69-74 percent. * 24 hr trend.........22 percent drier. * Wind (20 ft) * Plains...............East winds 5 to 15 mph. * Chance of lightning...15 percent. * CWR...................30 percent. .Forecast days 3 through 7...... .WEDNESDAY NIGHT...Partly cloudy. Lows 49 to 54. East winds 5 to 15 mph. .THURSDAY...Warmer. Partly cloudy. Isolated showers and thunderstorms. Lows 57 to 62. Highs 75 to 80. East winds 5 to 10 mph. .FRIDAY...Mostly clear. Lows 56 to 61. Highs 75 to 80. Northeast winds 5 to 10 mph. .SATURDAY...Mostly clear. Isolated showers and thunderstorms. Lows 60 to 65. Highs 83 to 88. South winds 5 to 10 mph. .SUNDAY...Partly cloudy. Isolated showers and thunderstorms. Lows 58 to 63. Highs 82 to 87. .MONDAY...Mostly sunny. Highs 79 to 84. $$ MTZ128-152230- Yellowstone County- 401 AM MDT Tue Jul 15 2025 .Today... * Sky/weather...........Cloudy. Patchy fog in the morning. Scattered rain showers in the morning, then rain showers and scattered thunderstorms in the afternoon. * Max temperature.......60-65. * 24 hr trend.........37 degrees cooler. * Min humidity..........81-86 percent. * 24 hr trend.........67 percent wetter. * Wind (20 ft) * Plains...............Northeast winds 10 to 20 mph. * Chance of lightning...26 percent. * CWR...................50 percent. .TONIGHT... * Sky/weather...........Cloudy. Rain showers and scattered thunderstorms in the evening, then numerous rain showers overnight. * Min temperature.......50-55. * 24 hr trend.........7 degrees cooler. * Max humidity..........95-100 percent. * 24 hr trend.........4 percent wetter. * Wind (20 ft) * Plains...............Northeast winds 10 to 20 mph. * Chance of lightning...26 percent. * CWR...................90 percent. .WEDNESDAY... * Sky/weather...........Mostly cloudy. Patchy fog in the morning. Scattered rain showers in the morning, then scattered rain showers and isolated thunderstorms in the afternoon. * Max temperature.......63-68. * 24 hr trend.........3 degrees warmer. * Min humidity..........60-65 percent. * 24 hr trend.........21 percent drier. * Wind (20 ft) * Plains...............Northeast winds 5 to 15 mph. * Chance of lightning...15 percent. * CWR...................30 percent. .Forecast days 3 through 7...... .WEDNESDAY NIGHT...Partly cloudy. Lows 49 to 54. East winds 5 to 15 mph. .THURSDAY...Warmer. Mostly clear. Lows 57 to 62. Highs 82 to 87. East winds 5 to 10 mph. .FRIDAY...Partly cloudy. Lows 58 to 63. Highs 82 to 87. Northeast winds 5 to 15 mph. .SATURDAY...Partly cloudy. Lows 59 to 64. Highs 88 to 93. South winds 5 to 15 mph. .SUNDAY...Partly cloudy. Lows 58 to 63. Highs 88 to 93. .MONDAY...Mostly sunny. Highs 85 to 90. $$ MTZ129-152230- Crow Indian Reservation/Bighorn Canyon Rec Area- 401 AM MDT Tue Jul 15 2025 .Today... * Sky/weather...........Cloudy. Scattered rain showers in the morning, then numerous rain showers and scattered thunderstorms in the afternoon. * Max temperature.......58-68 at 5000 feet...51-57 at 7000 feet. * 24 hr trend.........33 degrees cooler. * Min humidity..........67-77 percent at 5000 feet...76-86 percent at 7000 feet. * 24 hr trend.........65 percent wetter. * Wind (20 ft) * Slope/valley.........Northeast winds 10 to 20 mph. Gusts up to 30 mph in the morning. * Ridgetop.............Northeast 15 to 30 mph. * Chance of lightning...27 percent. * CWR...................40 percent. .TONIGHT... * Sky/weather...........Cloudy. Rain showers and scattered thunderstorms in the evening, then rain showers and isolated thunderstorms overnight. * Min temperature.......46-54 at 5000 feet...44-49 at 7000 feet. * 24 hr trend.........6 degrees cooler. * Max humidity..........86-96 percent at 5000 feet...91-100 percent at 7000 feet. * 24 hr trend.........Unchanged. * Wind (20 ft) * Slope/valley.........Northeast winds 5 to 15 mph. * Ridgetop.............East 10 to 20 mph. * Chance of lightning...41 percent. * CWR...................100 percent. .WEDNESDAY... * Sky/weather...........Cloudy. Numerous rain showers in the morning, then isolated showers and thunderstorms in the afternoon. * Max temperature.......55-65 at 5000 feet...48-54 at 7000 feet. * 24 hr trend.........2 degrees cooler. * Min humidity..........64-74 percent at 5000 feet...75-85 percent at 7000 feet. * 24 hr trend.........7 percent drier. * Wind (20 ft) * Slope/valley.........Northeast winds 5 to 15 mph. * Ridgetop.............Northeast 10 to 20 mph. * Chance of lightning...20 percent. * CWR...................70 percent. .Forecast days 3 through 7...... .WEDNESDAY NIGHT...Partly cloudy. Lows 47 to 54. Southeast winds 5 to 15 mph. .THURSDAY...Warmer. Mostly clear. Lows 56 to 61. Highs 74 to 84. East winds 5 to 10 mph. .FRIDAY...Partly cloudy. Isolated showers and thunderstorms. Lows 56 to 63. Highs 73 to 83. Northeast winds 5 to 15 mph. .SATURDAY...Partly cloudy. Lows 58 to 63. Highs 78 to 88. Southeast winds 5 to 10 mph. .SUNDAY...Mostly clear. Lows 57 to 63. Highs 78 to 88. .MONDAY...Mostly sunny. Highs 76 to 86. $$ MTZ130-152230- Northern Rosebud/Northern Treasure Counties- 401 AM MDT Tue Jul 15 2025 .Today... * Sky/weather...........Cloudy. Numerous rain showers and isolated thunderstorms in the morning, then rain showers and scattered thunderstorms in the afternoon. * Max temperature.......61-66. * 24 hr trend.........36 degrees cooler. * Min humidity..........78-83 percent. * 24 hr trend.........65 percent wetter. * Wind (20 ft) * Plains...............Northeast winds 10 to 20 mph. Gusts up to 30 mph in the morning. * Chance of lightning...30 percent. * CWR...................60 percent. .TONIGHT... * Sky/weather...........Cloudy. Rain showers and scattered thunderstorms in the evening, then rain showers overnight. * Min temperature.......50-55. * 24 hr trend.........9 degrees cooler. * Max humidity..........91-96 percent. * 24 hr trend.........8 percent wetter. * Wind (20 ft) * Plains...............Northeast winds 10 to 20 mph. * Chance of lightning...28 percent. * CWR...................90 percent. .WEDNESDAY... * Sky/weather...........Mostly cloudy. Patchy fog in the morning. Numerous rain showers in the morning, then isolated rain showers in the afternoon. * Max temperature.......62-67. * 24 hr trend.........1 degree warmer. * Min humidity..........60-65 percent. * 24 hr trend.........18 percent drier. * Wind (20 ft) * Plains...............East winds 5 to 15 mph. * Chance of lightning...12 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. Scattered showers and thunderstorms. Lows 57 to 62. Highs 82 to 87. East winds 5 to 10 mph. .FRIDAY...Mostly clear. Lows 58 to 63. Highs 82 to 87. Northeast winds 5 to 10 mph. .SATURDAY...Partly cloudy. Scattered showers and isolated thunderstorms. Lows 61 to 66. Highs 88 to 93. Southeast winds 5 to 10 mph. .SUNDAY...Partly cloudy. Isolated showers and thunderstorms. Lows 61 to 66. Highs 88 to 93. .MONDAY...Mostly sunny. Highs 85 to 90. $$ MTZ131-152230- Northern Cheyenne Indian Reservation/Ashland Ranger District Custer Natl Forest- 401 AM MDT Tue Jul 15 2025 .Today... * Sky/weather...........Cloudy. Patchy fog in the morning. Scattered rain showers in the morning, then scattered showers and thunderstorms in the afternoon. * Max temperature.......63-68. * 24 hr trend.........31 degrees cooler. * Min humidity..........74-79 percent. * 24 hr trend.........57 percent wetter. * Wind (20 ft) * Slope/valley.........Northeast winds 10 to 20 mph. Gusts up to 30 mph in the morning. * Ridgetop.............North 15 to 30 mph. * Chance of lightning...29 percent. * CWR...................30 percent. .TONIGHT... * Sky/weather...........Cloudy. Rain showers and scattered thunderstorms in the evening, then rain showers and isolated thunderstorms overnight. Patchy fog overnight. * Min temperature.......50-55. * 24 hr trend.........6 degrees cooler. * Max humidity..........100 percent. * 24 hr trend.........4 percent wetter. * Wind (20 ft) * Slope/valley.........Northeast winds 5 to 15 mph. * Ridgetop.............East 10 to 20 mph. * Chance of lightning...45 percent. * CWR...................100 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.......60-65. * 24 hr trend.........3 degrees cooler. * Min humidity..........70-75 percent. * 24 hr trend.........4 percent drier. * Wind (20 ft) * Slope/valley.........Northeast winds 5 to 15 mph. * Ridgetop.............Northeast 10 to 20 mph. * Chance of lightning...20 percent. * CWR...................80 percent. .Forecast days 3 through 7...... .WEDNESDAY NIGHT...Mostly cloudy. Patchy fog. Lows 46 to 51. East winds 5 to 15 mph. .THURSDAY...Warmer. Mostly clear. Isolated showers and thunderstorms. Lows 55 to 60. Highs 82 to 87. Southeast winds 5 to 15 mph. .FRIDAY...Partly cloudy. Isolated showers and thunderstorms. Lows 56 to 61. Highs 82 to 87. Northeast winds 5 to 10 mph. .SATURDAY...Partly cloudy. Isolated showers and thunderstorms. Lows 59 to 64. Highs 87 to 92. Southeast winds 5 to 10 mph. .SUNDAY...Mostly clear. Lows 57 to 62. Highs 87 to 92. .MONDAY...Sunny. Highs 85 to 90. $$ MTZ132-152230- Custer County- 401 AM MDT Tue Jul 15 2025 .Today... * Sky/weather...........Cloudy with numerous rain showers and scattered thunderstorms. * Max temperature.......61-66. * 24 hr trend.........35 degrees cooler. * Min humidity..........81-86 percent. * 24 hr trend.........66 percent wetter. * Wind (20 ft) * Plains...............Northeast winds 15 to 25 mph. Gusts up to 35 mph in the morning. * Chance of lightning...39 percent. * CWR...................80 percent. .TONIGHT... * Sky/weather...........Cloudy. Numerous rain showers and scattered thunderstorms in the evening, then rain showers overnight. Patchy fog overnight. * Min temperature.......48-53. * 24 hr trend.........8 degrees cooler. * Max humidity..........94-99 percent. * 24 hr trend.........5 percent wetter. * Wind (20 ft) * Plains...............Northeast winds 10 to 20 mph. * Chance of lightning...33 percent. * CWR...................100 percent. .WEDNESDAY... * Sky/weather...........Mostly cloudy. Patchy fog in the morning. Numerous rain showers in the morning, then isolated rain showers in the afternoon. * Max temperature.......58-63. * 24 hr trend.........3 degrees cooler. * Min humidity..........60-65 percent. * 24 hr trend.........21 percent drier. * Wind (20 ft) * Plains...............East winds 10 to 20 mph. * Chance of lightning...11 percent. * CWR...................60 percent. .Forecast days 3 through 7...... .WEDNESDAY NIGHT...Partly cloudy. Lows 46 to 51. Southeast winds 5 to 15 mph. .THURSDAY...Warmer. Partly cloudy. Scattered showers and isolated thunderstorms. Lows 54 to 59. Highs 74 to 79. Southeast winds 5 to 15 mph. .FRIDAY...Mostly clear. Lows 56 to 61. Highs 80 to 85. Northeast winds 5 to 15 mph. .SATURDAY...Partly cloudy. Scattered showers and thunderstorms. Lows 61 to 66. Highs 83 to 88. Southeast winds 5 to 15 mph. .SUNDAY...Partly cloudy. Isolated showers and thunderstorms. Lows 60 to 65. Highs 85 to 90. .MONDAY...Mostly sunny. Highs 82 to 87. $$ MTZ133-152230- Sioux Ranger District Custer National Forest- 401 AM MDT Tue Jul 15 2025 .Today... * Sky/weather...........Cloudy with scattered showers and thunderstorms. * Max temperature.......67-72. * 24 hr trend.........29 degrees cooler. * Min humidity..........73-78 percent. * 24 hr trend.........49 percent wetter. * Wind (20 ft) * Plains...............Northeast winds 15 to 25 mph. Gusts up to 30 mph in the morning. * Chance of lightning...37 percent. * CWR...................30 percent. .TONIGHT... * Sky/weather...........Cloudy. Numerous rain showers and scattered thunderstorms in the evening, then rain showers and scattered thunderstorms overnight. * Min temperature.......49-54. * 24 hr trend.........11 degrees cooler. * Max humidity..........100 percent. * 24 hr trend.........7 percent wetter. * Wind (20 ft) * Plains...............Northeast winds 10 to 20 mph. * Chance of lightning...40 percent. * CWR...................100 percent. .WEDNESDAY... * Sky/weather...........Cloudy. 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.........11 degrees cooler. * Min humidity..........79-84 percent. * 24 hr trend.........6 percent wetter. * Wind (20 ft) * Plains...............East winds 10 to 20 mph. * Chance of lightning...17 percent. * CWR...................80 percent. .Forecast days 3 through 7...... .WEDNESDAY NIGHT...Mostly cloudy. Patchy fog. Lows 47 to 52. Southeast winds 5 to 15 mph. .THURSDAY...Warmer. Mostly cloudy. Scattered showers and thunderstorms. Lows 54 to 59. Highs 72 to 77. Southeast winds 10 to 20 mph with gusts to around 30 mph. .FRIDAY...Partly cloudy. Isolated showers and thunderstorms. Lows 56 to 61. Highs 81 to 86. Northeast winds 5 to 15 mph. .SATURDAY...Partly cloudy. Scattered showers and thunderstorms. Lows 60 to 65. Highs 81 to 86. Southeast winds 5 to 15 mph. .SUNDAY...Partly cloudy. Isolated showers and thunderstorms. Lows 59 to 64. Highs 86 to 91. .MONDAY...Mostly sunny. Highs 85 to 90. $$ WYZ274-152230- Sheridan County- 401 AM MDT Tue Jul 15 2025 .Today... * Sky/weather...........Mostly cloudy. Patchy fog in the morning. Scattered rain showers in the morning, then numerous rain showers and scattered thunderstorms in the afternoon. * Max temperature.......66-71. * 24 hr trend.........26 degrees cooler. * Min humidity..........74-79 percent. * 24 hr trend.........56 percent wetter. * Wind (20 ft) * Slope/valley.........North winds 10 to 20 mph. Gusts up to 30 mph in the morning. * Ridgetop.............Northwest 10 to 20 mph. * Chance of lightning...38 percent. * CWR...................30 percent. .TONIGHT... * Sky/weather...........Cloudy. Rain showers and scattered thunderstorms in the evening, then rain showers and isolated thunderstorms overnight. Patchy fog overnight. * Min temperature.......48-53. * 24 hr trend.........7 degrees cooler. * Max humidity..........100 percent. * 24 hr trend.........8 percent wetter. * Wind (20 ft) * Slope/valley.........North winds 5 to 15 mph. * Ridgetop.............East 10 to 20 mph. * Chance of lightning...45 percent. * CWR...................90 percent. .WEDNESDAY... * Sky/weather...........Cloudy. Areas of fog in the morning. Rain showers and isolated thunderstorms in the morning, then scattered showers and thunderstorms in the afternoon. * Max temperature.......63-68. * 24 hr trend.........3 degrees cooler. * Min humidity..........67-72 percent. * 24 hr trend.........7 percent drier. * Wind (20 ft) * Slope/valley.........North winds 5 to 15 mph. * Ridgetop.............North 5 to 15 mph. * Chance of lightning...28 percent. * CWR...................60 percent. .Forecast days 3 through 7...... .WEDNESDAY NIGHT...Mostly cloudy. Areas of fog. Lows 45 to 50. East winds 5 to 10 mph. .THURSDAY...Warmer. Mostly clear. Lows 53 to 58. Highs 83 to 88. Southeast winds 5 to 10 mph. .FRIDAY...Partly cloudy. Isolated showers and thunderstorms. Lows 53 to 58. Highs 83 to 88. Northeast 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 54 to 59. Highs 88 to 93. .MONDAY...Sunny. Highs 85 to 90. $$ WYZ284-152230- Bighorn National Forest- 401 AM MDT Tue Jul 15 2025 .Today... * Sky/weather...........Mostly cloudy. Scattered rain showers in the morning, then rain showers and scattered thunderstorms in the afternoon. * Max temperature.......57-62. * 24 hr trend.........19 degrees cooler. * Min humidity..........71-76 percent. * 24 hr trend.........54 percent wetter. * Wind (20 ft) * At Burgess Jct.......Northeast winds 10 to 20 mph. * Chance of lightning...42 percent. * CWR...................30 percent. .TONIGHT... * Sky/weather...........Cloudy. Rain showers and scattered thunderstorms in the evening, then rain showers and isolated thunderstorms overnight. * Min temperature.......39-44. * 24 hr trend.........6 degrees cooler. * Max humidity..........100 percent. * 24 hr trend.........4 percent wetter. * Wind (20 ft) * At Burgess Jct.......West winds 5 to 15 mph. * Chance of lightning...46 percent. * CWR...................100 percent. .WEDNESDAY... * Sky/weather...........Cloudy. Areas of fog in the morning. Rain showers and isolated thunderstorms in the morning, then scattered showers and thunderstorms in the afternoon. * Max temperature.......51-56. * 24 hr trend.........6 degrees cooler. * Min humidity..........79-84 percent. * 24 hr trend.........8 percent wetter. * Wind (20 ft) * At Burgess Jct.......Northeast winds 5 to 15 mph. * Chance of lightning...32 percent. * CWR...................60 percent. .Forecast days 3 through 7...... .WEDNESDAY NIGHT...Partly cloudy. Areas of fog. Lows 38 to 43. Southeast winds 5 to 15 mph. .THURSDAY...Warmer. Mostly clear. Lows 45 to 50. Highs 69 to 74. Southwest winds 5 to 15 mph. .FRIDAY...Partly cloudy. Isolated showers and thunderstorms. Lows 45 to 50. Highs 68 to 73. West winds 5 to 15 mph. .SATURDAY...Partly cloudy. Isolated showers and thunderstorms. Lows 46 to 51. Highs 71 to 76. Southwest winds 5 to 15 mph. .SUNDAY...Partly cloudy. Isolated showers and thunderstorms. Lows 46 to 51. Highs 71 to 76. .MONDAY...Mostly sunny. Isolated showers and thunderstorms. Highs 70 to 75. $$ weather.gov/billings