840
FNUS55 KBYZ 290655
FWFBYZ
FIRE WEATHER PLANNING FORECAST FOR SCEN AND SERN MONTANA
NATIONAL WEATHER SERVICE BILLINGS MT
1255 AM MDT MON JUN 29 2026
DISCUSSION
UPPER LOW OVER NC MONTANA WILL DROP SOUTHEAST TODAY PULLING BETTER
MOISTURE INTO WESTERN AND CENTRAL AREAS THIS MORNING INTO EARLY
AFTERNOON. WETTING RAIN CHANCES WILL RANGE FROM 80 PERCENT FOR THE
WESTERN MOUNTAINS AND FOOTHILLS TO NEAR ZERO FOR AREAS ALONG THE
MT/WY BORDER FROM SHERIDAN COUNTY EASTWARD. TEMPERATURES WILL BE
SIMILAR TO SUNDAY, WITH 50S/60S WEST INCREASING TO MID 70S ALONG
THE EASTERN STATE LINE. ACCUMULATING SNOW IS EXPECTED THROUGH THIS
MORNING FOR ELEVATIONS ABOVE 8000 FEET OVER THE WESTERN MOUNTAINS,
LITTLE TO NO SNOW IS EXPECTED FOR THE PRYOR AND BIGHORN MOUNTAINS.
WESTERLY WINDS WILL INCREASE AGAIN BY LATE MORNING AND REMAIN
GUSTY (30-50MPH) THROUGH THE EARLY EVENING HOURS. STRONGEST WIND
GUSTS ARE EXPECTED FROM BILLINGS WESTWARD INTO THE FOOTHILLS.
A RETURN TO A MORE TYPICAL SUMMER TIME WEATHER PATTERN ARRIVES
TUESDAY THROUGH THE REST OF THE WEEK. TEMPERATURES WILL CLIMB
INTO THE 80S BY WEDNESDAY WITH UPPER 80S TO LOWER 90S POSSIBLE
THU/FRI. THERE WILL BE CHANCES FOR MAINLY AFTERNOON/EVENING
SHOWERS AND THUNDERSTORMS EACH DAY, BUT WETTING RAIN CHANCES WILL
BE LOW DURING THIS PERIOD. CHAMBERS
MTZ123-292215-
GALLATIN NATIONAL FOREST-
1255 AM MDT MON JUN 29 2026
TODAY
* SKY/WEATHER...........CLOUDY WITH RAIN SHOWERS.
* MAX TEMPERATURE.......49-59 AT 5000 FEET...40-50 AT 7000 FEET.
* 24 HR TREND.........1 DEGREE COOLER.
* MIN HUMIDITY..........62-72 PERCENT AT 5000 FEET...73-83 PERCENT
AT 7000 FEET.
* 24 HR TREND.........19 PERCENT WETTER.
* WIND (20 FT)
* SLOPE/VALLEY.........SOUTHWEST WINDS 5 TO 15 MPH.
* RIDGETOP.............WEST 20 TO 35 MPH.
* CHANCE OF LIGHTNING...13 PERCENT.
* CWR...................100 PERCENT.
TONIGHT
* SKY/WEATHER...........MOSTLY CLOUDY. SCATTERED RAIN SHOWERS IN
THE EVENING, THEN ISOLATED RAIN SHOWERS OVERNIGHT.
* MIN TEMPERATURE.......41-51 AT 5000 FEET...34-44 AT 7000 FEET.
* 24 HR TREND.........4 DEGREES WARMER.
* MAX HUMIDITY..........77-87 PERCENT AT 5000 FEET...79-89 PERCENT
AT 7000 FEET.
* 24 HR TREND.........3 PERCENT DRIER.
* WIND (20 FT)
* SLOPE/VALLEY.........SOUTH WINDS 5 TO 10 MPH.
* RIDGETOP.............WEST 15 TO 25 MPH.
* CHANCE OF LIGHTNING...9 PERCENT.
* CWR...................LESS THAN 10 PERCENT.
TUESDAY
* SKY/WEATHER...........PARTLY SUNNY. NUMEROUS RAIN SHOWERS AND
ISOLATED THUNDERSTORMS IN THE AFTERNOON.
* MAX TEMPERATURE.......66-73 AT 5000 FEET...53-63 AT 7000 FEET.
* 24 HR TREND.........17 DEGREES WARMER.
* MIN HUMIDITY..........35-45 PERCENT AT 5000 FEET...46-56 PERCENT
AT 7000 FEET.
* 24 HR TREND.........27 PERCENT DRIER.
* WIND (20 FT)
* SLOPE/VALLEY.........SOUTHWEST WINDS 5 TO 10 MPH.
* RIDGETOP.............WEST 5 TO 15 MPH.
* CHANCE OF LIGHTNING...20 PERCENT.
* CWR...................20 PERCENT.
FORECAST DAYS 3 THROUGH 7...
TUESDAY NIGHT
MOSTLY CLOUDY. SCATTERED SHOWERS AND ISOLATED
THUNDERSTORMS. LOWS 42 TO 52. SOUTH WINDS 5 TO 10 MPH.
WEDNESDAY
MOSTLY CLOUDY. NUMEROUS SHOWERS AND SCATTERED
THUNDERSTORMS. LOWS 43 TO 53. HIGHS 68 TO 77. SOUTHWEST WINDS
5 TO 10 MPH.
THURSDAY
PARTLY CLOUDY. ISOLATED SHOWERS AND THUNDERSTORMS.
LOWS 45 TO 55. HIGHS 71 TO 81. SOUTHWEST WINDS 5 TO 10 MPH.
FRIDAY
MOSTLY CLOUDY. NUMEROUS SHOWERS AND SCATTERED
THUNDERSTORMS. LOWS 44 TO 54. HIGHS 69 TO 79. SOUTHWEST WINDS
5 TO 10 MPH.
SATURDAY
MOSTLY CLEAR. ISOLATED SHOWERS AND THUNDERSTORMS.
LOWS 45 TO 55. HIGHS 69 TO 79.
SUNDAY
SUNNY. HIGHS 78 TO 88.
MTZ124-292215-
WHEATLAND COUNTY/SWEET GRASS COUNTY-
1255 AM MDT MON JUN 29 2026
TODAY
* SKY/WEATHER...........CLOUDY WITH RAIN SHOWERS.
* MAX TEMPERATURE.......55-60.
* 24 HR TREND.........UNCHANGED.
* MIN HUMIDITY..........62-67 PERCENT.
* 24 HR TREND.........15 PERCENT WETTER.
* WIND (20 FT)
* PLAINS...............WINDY. WEST WINDS 15 TO 30 MPH WITH GUSTS TO
AROUND 40 MPH.
* CHANCE OF LIGHTNING...10 PERCENT.
* CWR...................70 PERCENT.
TONIGHT
* SKY/WEATHER...........MOSTLY CLOUDY. ISOLATED RAIN SHOWERS IN THE
EVENING.
* MIN TEMPERATURE.......45-50.
* 24 HR TREND.........5 DEGREES WARMER.
* MAX HUMIDITY..........77-82 PERCENT.
* 24 HR TREND.........1 PERCENT DRIER.
* WIND (20 FT)
* PLAINS...............WINDY. WEST WINDS 15 TO 30 MPH WITH GUSTS TO
AROUND 45 MPH.
* CHANCE OF LIGHTNING...9 PERCENT.
* CWR...................LESS THAN 10 PERCENT.
TUESDAY
* SKY/WEATHER...........MOSTLY SUNNY.
* MAX TEMPERATURE.......71-76.
* 24 HR TREND.........16 DEGREES WARMER.
* MIN HUMIDITY..........36-41 PERCENT.
* 24 HR TREND.........26 PERCENT DRIER.
* WIND (20 FT)
* PLAINS...............WEST WINDS 15 TO 25 MPH WITH GUSTS TO AROUND
35 MPH.
* CHANCE OF LIGHTNING...8 PERCENT.
* CWR...................ZERO.
FORECAST DAYS 3 THROUGH 7...
TUESDAY NIGHT
PARTLY CLOUDY. ISOLATED SHOWERS AND
THUNDERSTORMS. LOWS 46 TO 51. WEST WINDS 5 TO 15 MPH.
WEDNESDAY
MOSTLY CLOUDY. SCATTERED SHOWERS AND THUNDERSTORMS.
LOWS 46 TO 51. HIGHS 72 TO 77. WEST WINDS 5 TO 15 MPH.
THURSDAY
PARTLY CLOUDY. SCATTERED SHOWERS AND ISOLATED
THUNDERSTORMS. LOWS 47 TO 52. HIGHS 74 TO 79. WEST WINDS 5 TO
15 MPH.
FRIDAY
MOSTLY CLOUDY. NUMEROUS SHOWERS AND SCATTERED
THUNDERSTORMS. LOWS 47 TO 52. HIGHS 73 TO 78. WEST WINDS 5 TO
15 MPH.
SATURDAY
PARTLY CLOUDY. ISOLATED SHOWERS AND THUNDERSTORMS.
LOWS 46 TO 51. HIGHS 72 TO 77.
SUNDAY
WARMER, SUNNY. HIGHS 80 TO 85.
MTZ125-292215-
STILLWATER COUNTY-
1255 AM MDT MON JUN 29 2026
TODAY
* SKY/WEATHER...........CLOUDY WITH SCATTERED RAIN SHOWERS.
* MAX TEMPERATURE.......63-68.
* 24 HR TREND.........1 DEGREE WARMER.
* MIN HUMIDITY..........39-44 PERCENT.
* 24 HR TREND.........11 PERCENT WETTER.
* WIND (20 FT)
* PLAINS...............WEST WINDS 10 TO 20 MPH. GUSTS UP TO 35 MPH
IN THE AFTERNOON.
* CHANCE OF LIGHTNING...13 PERCENT.
* CWR...................20 PERCENT.
TONIGHT
* SKY/WEATHER...........MOSTLY CLOUDY.
* MIN TEMPERATURE.......45-50.
* 24 HR TREND.........2 DEGREES WARMER.
* MAX HUMIDITY..........66-71 PERCENT.
* 24 HR TREND.........5 PERCENT WETTER.
* WIND (20 FT)
* PLAINS...............WEST WINDS 10 TO 20 MPH. GUSTS UP TO 35 MPH
IN THE EVENING.
* CHANCE OF LIGHTNING...7 PERCENT.
* CWR...................ZERO.
TUESDAY
* SKY/WEATHER...........MOSTLY SUNNY. SCATTERED RAIN SHOWERS AND
ISOLATED THUNDERSTORMS IN THE AFTERNOON.
* MAX TEMPERATURE.......74-79.
* 24 HR TREND.........11 DEGREES WARMER.
* MIN HUMIDITY..........30-35 PERCENT.
* 24 HR TREND.........9 PERCENT DRIER.
* WIND (20 FT)
* PLAINS...............NORTHWEST WINDS 5 TO 10 MPH.
* CHANCE OF LIGHTNING...20 PERCENT.
* CWR...................ZERO.
FORECAST DAYS 3 THROUGH 7...
TUESDAY NIGHT
PARTLY CLOUDY. ISOLATED SHOWERS AND
THUNDERSTORMS. LOWS 48 TO 53. SOUTHWEST WINDS 5 TO 10 MPH.
WEDNESDAY
MOSTLY CLOUDY. SCATTERED SHOWERS AND THUNDERSTORMS.
LOWS 48 TO 53. HIGHS 76 TO 81. WEST WINDS 5 TO 10 MPH.
THURSDAY
PARTLY CLOUDY. ISOLATED SHOWERS AND THUNDERSTORMS.
LOWS 50 TO 55. HIGHS 78 TO 83. SOUTHWEST WINDS 5 TO 10 MPH.
FRIDAY
MOSTLY CLOUDY. NUMEROUS SHOWERS AND SCATTERED
THUNDERSTORMS. LOWS 49 TO 54. HIGHS 75 TO 80. WEST WINDS 5 TO
10 MPH.
SATURDAY
PARTLY CLOUDY. SCATTERED SHOWERS AND THUNDERSTORMS.
LOWS 50 TO 55. HIGHS 73 TO 78.
SUNDAY
WARMER, SUNNY. HIGHS 82 TO 87.
MTZ126-292215-
BEARTOOTH RANGER DISTRICT CUSTER NATIONAL FOREST-
1255 AM MDT MON JUN 29 2026
TODAY
* SKY/WEATHER...........MOSTLY CLOUDY. SCATTERED SNOW SHOWERS IN
THE MORNING, THEN SCATTERED RAIN SHOWERS AND SNOW SHOWERS IN THE
AFTERNOON.
* MAX TEMPERATURE.......58-67 AT 5000 FEET...47-57 AT 7000 FEET.
* 24 HR TREND.........2 DEGREES WARMER.
* MIN HUMIDITY..........35-45 PERCENT AT 5000 FEET...51-61 PERCENT
AT 7000 FEET.
* 24 HR TREND.........17 PERCENT WETTER.
* WIND (20 FT)
* SLOPE/VALLEY.........WINDY. SOUTHWEST WINDS 15 TO 30 MPH. GUSTS
UP TO 50 MPH IN THE MORNING DECREASING TO 40 MPH IN THE
AFTERNOON.
* RIDGETOP.............WEST 20 TO 35 MPH.
* CHANCE OF LIGHTNING...13 PERCENT.
* CWR...................10 PERCENT.
TONIGHT
* SKY/WEATHER...........MOSTLY CLOUDY. ISOLATED RAIN SHOWERS IN THE
EVENING.
* MIN TEMPERATURE.......46-51 AT 5000 FEET...37-47 AT 7000 FEET.
* 24 HR TREND.........3 DEGREES WARMER.
* MAX HUMIDITY..........59-69 PERCENT AT 5000 FEET...66-76 PERCENT
AT 7000 FEET.
* 24 HR TREND.........7 PERCENT WETTER.
* WIND (20 FT)
* SLOPE/VALLEY.........WEST WINDS 10 TO 20 MPH. GUSTS UP TO 35 MPH
IN THE EVENING.
* RIDGETOP.............WEST 15 TO 25 MPH.
* CHANCE OF LIGHTNING...7 PERCENT.
* CWR...................ZERO.
TUESDAY
* SKY/WEATHER...........PARTLY SUNNY. SCATTERED RAIN SHOWERS AND
ISOLATED THUNDERSTORMS IN THE AFTERNOON.
* MAX TEMPERATURE.......69-78 AT 5000 FEET...59-69 AT 7000 FEET.
* 24 HR TREND.........12 DEGREES WARMER.
* MIN HUMIDITY..........28-37 PERCENT AT 5000 FEET...37-47 PERCENT
AT 7000 FEET.
* 24 HR TREND.........13 PERCENT DRIER.
* WIND (20 FT)
* SLOPE/VALLEY.........NORTHWEST WINDS 5 TO 10 MPH.
* RIDGETOP.............WEST 5 TO 15 MPH.
* CHANCE OF LIGHTNING...20 PERCENT.
* CWR...................ZERO.
FORECAST DAYS 3 THROUGH 7...
TUESDAY NIGHT
PARTLY CLOUDY. ISOLATED SHOWERS AND
THUNDERSTORMS. LOWS 49 TO 55. WEST WINDS 5 TO 15 MPH.
WEDNESDAY
MOSTLY CLOUDY. SCATTERED SHOWERS AND THUNDERSTORMS.
LOWS 50 TO 56. HIGHS 72 TO 79. WEST WINDS 5 TO 15 MPH.
THURSDAY
PARTLY CLOUDY. ISOLATED SHOWERS AND THUNDERSTORMS.
LOWS 51 TO 58. HIGHS 75 TO 82. WEST WINDS 5 TO 15 MPH.
FRIDAY
MOSTLY CLOUDY. SCATTERED SHOWERS AND THUNDERSTORMS.
LOWS 50 TO 57. HIGHS 74 TO 82. WEST WINDS 5 TO 15 MPH.
SATURDAY
PARTLY CLOUDY. SCATTERED SHOWERS AND THUNDERSTORMS.
LOWS 51 TO 57. HIGHS 70 TO 76.
SUNDAY
WARMER, SUNNY. HIGHS 77 TO 85.
MTZ127-292215-
GOLDEN VALLEY COUNTY/MUSSELSHELL COUNTY-
1255 AM MDT MON JUN 29 2026
TODAY
* SKY/WEATHER...........PARTLY SUNNY WITH SCATTERED RAIN SHOWERS IN
THE MORNING, THEN CLOUDY WITH RAIN SHOWERS IN THE AFTERNOON.
* MAX TEMPERATURE.......57-62.
* 24 HR TREND.........5 DEGREES WARMER.
* MIN HUMIDITY..........54-59 PERCENT.
* 24 HR TREND.........1 PERCENT WETTER.
* WIND (20 FT)
* PLAINS...............SOUTHWEST WINDS 15 TO 25 MPH WITH GUSTS TO
AROUND 35 MPH.
* CHANCE OF LIGHTNING...10 PERCENT.
* CWR...................50 PERCENT.
TONIGHT
* SKY/WEATHER...........PARTLY CLOUDY. ISOLATED RAIN SHOWERS IN THE
EVENING.
* MIN TEMPERATURE.......52-57.
* 24 HR TREND.........6 DEGREES WARMER.
* MAX HUMIDITY..........64-69 PERCENT.
* 24 HR TREND.........3 PERCENT WETTER.
* WIND (20 FT)
* PLAINS...............WEST WINDS 15 TO 25 MPH WITH GUSTS TO AROUND
35 MPH.
* CHANCE OF LIGHTNING...8 PERCENT.
* CWR...................LESS THAN 10 PERCENT.
TUESDAY
* SKY/WEATHER...........SUNNY.
* MAX TEMPERATURE.......71-76.
* 24 HR TREND.........14 DEGREES WARMER.
* MIN HUMIDITY..........35-40 PERCENT.
* 24 HR TREND.........19 PERCENT DRIER.
* WIND (20 FT)
* PLAINS...............WEST WINDS 15 TO 25 MPH WITH GUSTS TO AROUND
35 MPH.
* CHANCE OF LIGHTNING...0 PERCENT.
* CWR...................ZERO.
FORECAST DAYS 3 THROUGH 7...
TUESDAY NIGHT
MOSTLY CLOUDY. SCATTERED SHOWERS. LOWS 53 TO 58.
WEST WINDS 5 TO 10 MPH.
WEDNESDAY
MOSTLY CLOUDY. SCATTERED SHOWERS AND THUNDERSTORMS.
LOWS 53 TO 58. HIGHS 73 TO 78. WEST WINDS 5 TO 10 MPH.
THURSDAY
PARTLY CLOUDY. ISOLATED SHOWERS AND THUNDERSTORMS.
LOWS 55 TO 60. HIGHS 75 TO 80. SOUTHWEST WINDS 5 TO 10 MPH.
FRIDAY
MOSTLY CLOUDY. SCATTERED SHOWERS AND THUNDERSTORMS.
LOWS 55 TO 60. HIGHS 74 TO 79. WEST WINDS 5 TO 15 MPH.
SATURDAY
PARTLY CLOUDY. ISOLATED SHOWERS AND THUNDERSTORMS.
LOWS 54 TO 59. HIGHS 71 TO 76.
SUNDAY
SUNNY. HIGHS 78 TO 83.
MTZ128-292215-
YELLOWSTONE COUNTY-
1255 AM MDT MON JUN 29 2026
TODAY
* SKY/WEATHER...........PARTLY SUNNY WITH SCATTERED RAIN SHOWERS IN
THE MORNING, THEN CLOUDY WITH NUMEROUS RAIN SHOWERS IN THE
AFTERNOON.
* MAX TEMPERATURE.......64-69.
* 24 HR TREND.........1 DEGREE COOLER.
* MIN HUMIDITY..........43-48 PERCENT.
* 24 HR TREND.........8 PERCENT WETTER.
* WIND (20 FT)
* PLAINS...............WEST WINDS 10 TO 20 MPH. GUSTS UP TO 35 MPH
IN THE AFTERNOON.
* CHANCE OF LIGHTNING...10 PERCENT.
* CWR...................20 PERCENT.
TONIGHT
* SKY/WEATHER...........MOSTLY CLOUDY.
* MIN TEMPERATURE.......53-58.
* 24 HR TREND.........8 DEGREES WARMER.
* MAX HUMIDITY..........62-67 PERCENT.
* 24 HR TREND.........4 PERCENT DRIER.
* WIND (20 FT)
* PLAINS...............WEST WINDS 15 TO 25 MPH WITH GUSTS TO AROUND
35 MPH.
* CHANCE OF LIGHTNING...7 PERCENT.
* CWR...................ZERO.
TUESDAY
* SKY/WEATHER...........MOSTLY SUNNY.
* MAX TEMPERATURE.......77-82.
* 24 HR TREND.........13 DEGREES WARMER.
* MIN HUMIDITY..........28-33 PERCENT.
* 24 HR TREND.........15 PERCENT DRIER.
* WIND (20 FT)
* PLAINS...............WEST WINDS 10 TO 20 MPH.
* CHANCE OF LIGHTNING...1 PERCENT.
* CWR...................ZERO.
FORECAST DAYS 3 THROUGH 7...
TUESDAY NIGHT
PARTLY CLOUDY. ISOLATED SHOWERS. LOWS 53 TO 58.
WEST WINDS 5 TO 10 MPH.
WEDNESDAY
MOSTLY CLOUDY. SCATTERED SHOWERS AND THUNDERSTORMS.
LOWS 53 TO 58. HIGHS 79 TO 84. WEST WINDS 5 TO 10 MPH.
THURSDAY
PARTLY CLOUDY. ISOLATED SHOWERS AND THUNDERSTORMS.
LOWS 55 TO 60. HIGHS 81 TO 86. WEST WINDS 5 TO 10 MPH.
FRIDAY
MOSTLY CLOUDY. SCATTERED SHOWERS AND THUNDERSTORMS.
LOWS 55 TO 60. HIGHS 80 TO 85. WEST WINDS 5 TO 10 MPH.
SATURDAY
PARTLY CLOUDY. ISOLATED SHOWERS AND THUNDERSTORMS.
LOWS 55 TO 60. HIGHS 77 TO 82.
SUNDAY
SUNNY. HIGHS 84 TO 89.
MTZ129-292215-
CROW INDIAN RESERVATION/BIGHORN CANYON REC AREA-
1255 AM MDT MON JUN 29 2026
TODAY
* SKY/WEATHER...........PARTLY SUNNY. SCATTERED RAIN SHOWERS IN THE
AFTERNOON.
* MAX TEMPERATURE.......57-67 AT 5000 FEET...50-58 AT 7000 FEET.
* 24 HR TREND.........1 DEGREE COOLER.
* MIN HUMIDITY..........33-43 PERCENT AT 5000 FEET...39-49 PERCENT
AT 7000 FEET.
* 24 HR TREND.........3 PERCENT WETTER.
* WIND (20 FT)
* SLOPE/VALLEY.........WEST WINDS 10 TO 20 MPH. GUSTS UP TO 30 MPH
IN THE AFTERNOON.
* RIDGETOP.............SOUTHWEST 15 TO 25 MPH.
* CHANCE OF LIGHTNING...7 PERCENT.
* CWR...................ZERO.
TONIGHT
* SKY/WEATHER...........PARTLY CLOUDY.
* MIN TEMPERATURE.......47-53 AT 5000 FEET...43-49 AT 7000 FEET.
* 24 HR TREND.........3 DEGREES WARMER.
* MAX HUMIDITY..........59-69 PERCENT AT 5000 FEET...57-67 PERCENT
AT 7000 FEET.
* 24 HR TREND.........1 PERCENT WETTER.
* WIND (20 FT)
* SLOPE/VALLEY.........WEST WINDS 10 TO 20 MPH. GUSTS UP TO 30 MPH
IN THE EVENING.
* RIDGETOP.............WEST 35 TO 50 MPH.
* CHANCE OF LIGHTNING...7 PERCENT.
* CWR...................ZERO.
TUESDAY
* SKY/WEATHER...........SUNNY.
* MAX TEMPERATURE.......67-77 AT 5000 FEET...61-68 AT 7000 FEET.
* 24 HR TREND.........8 DEGREES WARMER.
* MIN HUMIDITY..........28-38 PERCENT AT 5000 FEET...35-43 PERCENT
AT 7000 FEET.
* 24 HR TREND.........UNCHANGED.
* WIND (20 FT)
* SLOPE/VALLEY.........WEST WINDS 10 TO 20 MPH.
* RIDGETOP.............WEST 20 TO 35 MPH.
* CHANCE OF LIGHTNING...1 PERCENT.
* CWR...................ZERO.
FORECAST DAYS 3 THROUGH 7...
TUESDAY NIGHT
PARTLY CLOUDY. SCATTERED SHOWERS. LOWS 50 TO 56.
EAST WINDS 5 TO 10 MPH.
WEDNESDAY
PARTLY CLOUDY. SCATTERED SHOWERS AND ISOLATED
THUNDERSTORMS. LOWS 51 TO 57. HIGHS 69 TO 79. WEST WINDS 5 TO
10 MPH.
THURSDAY
PARTLY CLOUDY. ISOLATED SHOWERS AND THUNDERSTORMS.
LOWS 53 TO 58. HIGHS 72 TO 82. SOUTHWEST WINDS 5 TO 10 MPH.
FRIDAY
PARTLY CLOUDY. SCATTERED SHOWERS AND THUNDERSTORMS.
LOWS 52 TO 57. HIGHS 72 TO 82. WEST WINDS 5 TO 15 MPH.
SATURDAY
PARTLY CLOUDY. ISOLATED SHOWERS AND THUNDERSTORMS.
LOWS 51 TO 57. HIGHS 67 TO 77.
SUNDAY
WARMER, SUNNY. HIGHS 75 TO 85.
MTZ130-292215-
NORTHERN ROSEBUD/NORTHERN TREASURE COUNTIES-
1255 AM MDT MON JUN 29 2026
TODAY
* SKY/WEATHER...........MOSTLY SUNNY IN THE MORNING, THEN MOSTLY
CLOUDY WITH SCATTERED RAIN SHOWERS IN THE AFTERNOON.
* MAX TEMPERATURE.......68-73.
* 24 HR TREND.........2 DEGREES COOLER.
* MIN HUMIDITY..........36-41 PERCENT.
* 24 HR TREND.........UNCHANGED.
* WIND (20 FT)
* PLAINS...............SOUTHWEST WINDS 5 TO 15 MPH IN THE MORNING
INCREASING TO 15 TO 25 MPH WITH GUSTS TO AROUND 30 MPH IN THE
AFTERNOON.
* CHANCE OF LIGHTNING...12 PERCENT.
* CWR...................20 PERCENT.
TONIGHT
* SKY/WEATHER...........PARTLY CLOUDY. ISOLATED RAIN SHOWERS IN THE
EVENING.
* MIN TEMPERATURE.......51-56.
* 24 HR TREND.........4 DEGREES WARMER.
* MAX HUMIDITY..........75-80 PERCENT.
* 24 HR TREND.........2 PERCENT WETTER.
* WIND (20 FT)
* PLAINS...............WEST WINDS 15 TO 25 MPH. GUSTS UP TO 30 MPH
IN THE EVENING.
* CHANCE OF LIGHTNING...5 PERCENT.
* CWR...................ZERO.
TUESDAY
* SKY/WEATHER...........MOSTLY SUNNY.
* MAX TEMPERATURE.......77-82.
* 24 HR TREND.........9 DEGREES WARMER.
* MIN HUMIDITY..........32-37 PERCENT.
* 24 HR TREND.........4 PERCENT DRIER.
* WIND (20 FT)
* PLAINS...............WEST WINDS 10 TO 20 MPH. GUSTS UP TO 30 MPH
IN THE MORNING.
* CHANCE OF LIGHTNING...0 PERCENT.
* CWR...................ZERO.
FORECAST DAYS 3 THROUGH 7...
TUESDAY NIGHT
MOSTLY CLEAR. LOWS 52 TO 57. NORTHWEST WINDS
5 TO 10 MPH.
WEDNESDAY
MOSTLY CLOUDY. SCATTERED SHOWERS AND ISOLATED
THUNDERSTORMS. LOWS 53 TO 58. HIGHS 80 TO 85. SOUTH WINDS 5 TO
10 MPH.
THURSDAY
PARTLY CLOUDY. ISOLATED SHOWERS AND THUNDERSTORMS.
LOWS 55 TO 60. HIGHS 84 TO 89. SOUTH WINDS 5 TO 10 MPH.
FRIDAY
PARTLY CLOUDY. SCATTERED SHOWERS AND THUNDERSTORMS.
LOWS 55 TO 60. HIGHS 83 TO 88. WEST WINDS 5 TO 10 MPH.
SATURDAY
PARTLY CLOUDY. ISOLATED SHOWERS. LOWS 53 TO 58. HIGHS
77 TO 82.
SUNDAY
SUNNY. HIGHS 84 TO 89.
MTZ131-292215-
NORTHERN CHEYENNE INDIAN RESERVATION/ASHLAND RANGER DISTRICT
CUSTER NATL FOREST-
1255 AM MDT MON JUN 29 2026
TODAY
* SKY/WEATHER...........PARTLY SUNNY. ISOLATED RAIN SHOWERS IN THE
AFTERNOON.
* MAX TEMPERATURE.......70-75.
* 24 HR TREND.........6 DEGREES COOLER.
* MIN HUMIDITY..........27-32 PERCENT.
* 24 HR TREND.........9 PERCENT WETTER.
* WIND (20 FT)
* SLOPE/VALLEY.........WEST WINDS 10 TO 20 MPH. GUSTS UP TO 30 MPH
IN THE AFTERNOON.
* RIDGETOP.............SOUTHWEST 10 TO 20 MPH.
* CHANCE OF LIGHTNING...11 PERCENT.
* CWR...................ZERO.
TONIGHT
* SKY/WEATHER...........PARTLY CLOUDY.
* MIN TEMPERATURE.......50-55.
* 24 HR TREND.........2 DEGREES WARMER.
* MAX HUMIDITY..........65-70 PERCENT.
* 24 HR TREND.........6 PERCENT DRIER.
* WIND (20 FT)
* SLOPE/VALLEY.........WEST WINDS 10 TO 20 MPH. GUSTS UP TO 30 MPH
IN THE EVENING.
* RIDGETOP.............WEST 30 TO 45 MPH.
* CHANCE OF LIGHTNING...5 PERCENT.
* CWR...................ZERO.
TUESDAY
* SKY/WEATHER...........SUNNY.
* MAX TEMPERATURE.......77-82.
* 24 HR TREND.........7 DEGREES WARMER.
* MIN HUMIDITY..........25-30 PERCENT.
* 24 HR TREND.........2 PERCENT DRIER.
* WIND (20 FT)
* SLOPE/VALLEY.........WEST WINDS 10 TO 20 MPH.
* RIDGETOP.............WEST 25 TO 40 MPH.
* CHANCE OF LIGHTNING...0 PERCENT.
* CWR...................ZERO.
FORECAST DAYS 3 THROUGH 7...
TUESDAY NIGHT
PARTLY CLOUDY. SCATTERED SHOWERS AND ISOLATED
THUNDERSTORMS. LOWS 52 TO 57. EAST WINDS 5 TO 10 MPH.
WEDNESDAY
MOSTLY CLOUDY. SCATTERED SHOWERS AND ISOLATED
THUNDERSTORMS. LOWS 53 TO 58. HIGHS 79 TO 84. SOUTHWEST WINDS
5 TO 10 MPH.
THURSDAY
PARTLY CLOUDY. ISOLATED SHOWERS AND THUNDERSTORMS.
LOWS 54 TO 59. HIGHS 84 TO 89. SOUTH WINDS 5 TO 10 MPH.
FRIDAY
PARTLY CLOUDY. SCATTERED SHOWERS AND THUNDERSTORMS.
LOWS 54 TO 59. HIGHS 84 TO 89. NORTHWEST WINDS 5 TO 10 MPH.
SATURDAY
PARTLY CLOUDY. ISOLATED SHOWERS AND THUNDERSTORMS.
LOWS 52 TO 57. HIGHS 75 TO 80.
SUNDAY
WARMER, SUNNY. HIGHS 84 TO 89.
MTZ132-292215-
CUSTER COUNTY-
1255 AM MDT MON JUN 29 2026
TODAY
* SKY/WEATHER...........PARTLY SUNNY. ISOLATED RAIN SHOWERS IN THE
MORNING, THEN SCATTERED RAIN SHOWERS AND ISOLATED THUNDERSTORMS
IN THE AFTERNOON.
* MAX TEMPERATURE.......70-75.
* 24 HR TREND.........4 DEGREES COOLER.
* MIN HUMIDITY..........35-40 PERCENT.
* 24 HR TREND.........7 PERCENT WETTER.
* WIND (20 FT)
* PLAINS...............SOUTHWEST WINDS 10 TO 20 MPH. GUSTS UP TO 30
MPH IN THE AFTERNOON.
* CHANCE OF LIGHTNING...16 PERCENT.
* CWR...................30 PERCENT.
TONIGHT
* SKY/WEATHER...........PARTLY CLOUDY.
* MIN TEMPERATURE.......50-55.
* 24 HR TREND.........UNCHANGED.
* MAX HUMIDITY..........78-83 PERCENT.
* 24 HR TREND.........7 PERCENT WETTER.
* WIND (20 FT)
* PLAINS...............WEST WINDS 15 TO 25 MPH. GUSTS UP TO 30 MPH
IN THE EVENING.
* CHANCE OF LIGHTNING...5 PERCENT.
* CWR...................ZERO.
TUESDAY
* SKY/WEATHER...........SUNNY.
* MAX TEMPERATURE.......74-79.
* 24 HR TREND.........4 DEGREES WARMER.
* MIN HUMIDITY..........35-40 PERCENT.
* 24 HR TREND.........UNCHANGED.
* WIND (20 FT)
* PLAINS...............WEST WINDS 15 TO 25 MPH WITH GUSTS TO AROUND
30 MPH.
* CHANCE OF LIGHTNING...0 PERCENT.
* CWR...................ZERO.
FORECAST DAYS 3 THROUGH 7...
TUESDAY NIGHT
MOSTLY CLEAR. LOWS 52 TO 57. SOUTHWEST WINDS
5 TO 15 MPH.
WEDNESDAY
PARTLY CLOUDY. SCATTERED SHOWERS AND ISOLATED
THUNDERSTORMS. LOWS 52 TO 57. HIGHS 77 TO 82. SOUTH WINDS 5 TO
10 MPH.
THURSDAY
PARTLY CLOUDY. SCATTERED SHOWERS AND THUNDERSTORMS.
LOWS 54 TO 59. HIGHS 82 TO 87. SOUTHEAST WINDS 5 TO 10 MPH.
FRIDAY
PARTLY CLOUDY. NUMEROUS SHOWERS AND SCATTERED
THUNDERSTORMS. LOWS 55 TO 60. HIGHS 82 TO 87. SOUTHWEST WINDS
5 TO 15 MPH.
SATURDAY
PARTLY CLOUDY. ISOLATED SHOWERS AND THUNDERSTORMS.
LOWS 53 TO 58. HIGHS 74 TO 79.
SUNDAY
SUNNY. HIGHS 80 TO 85.
MTZ133-292215-
SIOUX RANGER DISTRICT CUSTER NATIONAL FOREST-
1255 AM MDT MON JUN 29 2026
TODAY
* SKY/WEATHER...........PARTLY SUNNY. SCATTERED RAIN SHOWERS IN THE
MORNING.
* MAX TEMPERATURE.......72-77.
* 24 HR TREND.........8 DEGREES COOLER.
* MIN HUMIDITY..........33-38 PERCENT.
* 24 HR TREND.........15 PERCENT WETTER.
* WIND (20 FT)
* PLAINS...............SOUTHWEST WINDS 5 TO 15 MPH IN THE MORNING
INCREASING TO 15 TO 25 MPH WITH GUSTS TO AROUND 35 MPH IN THE
AFTERNOON.
* CHANCE OF LIGHTNING...10 PERCENT.
* CWR...................LESS THAN 10 PERCENT.
TONIGHT
* SKY/WEATHER...........MOSTLY CLEAR.
* MIN TEMPERATURE.......50-55.
* 24 HR TREND.........1 DEGREE COOLER.
* MAX HUMIDITY..........76-81 PERCENT.
* 24 HR TREND.........8 PERCENT DRIER.
* WIND (20 FT)
* PLAINS...............WEST WINDS 15 TO 25 MPH WITH GUSTS TO AROUND
30 MPH.
* CHANCE OF LIGHTNING...2 PERCENT.
* CWR...................ZERO.
TUESDAY
* SKY/WEATHER...........SUNNY.
* MAX TEMPERATURE.......76-81.
* 24 HR TREND.........4 DEGREES WARMER.
* MIN HUMIDITY..........36-41 PERCENT.
* 24 HR TREND.........3 PERCENT WETTER.
* WIND (20 FT)
* PLAINS...............WEST WINDS 15 TO 25 MPH WITH GUSTS TO AROUND
35 MPH.
* CHANCE OF LIGHTNING...0 PERCENT.
* CWR...................ZERO.
FORECAST DAYS 3 THROUGH 7...
TUESDAY NIGHT
PARTLY CLOUDY. LOWS 52 TO 57. NORTH WINDS 5 TO
15 MPH.
WEDNESDAY
PARTLY CLOUDY. NUMEROUS SHOWERS AND ISOLATED
THUNDERSTORMS. LOWS 53 TO 58. HIGHS 78 TO 83. SOUTH WINDS 5 TO
10 MPH.
THURSDAY
PARTLY CLOUDY. SCATTERED SHOWERS AND THUNDERSTORMS.
LOWS 55 TO 60. HIGHS 83 TO 88. SOUTHEAST WINDS 5 TO 15 MPH.
FRIDAY
PARTLY CLOUDY. SCATTERED SHOWERS AND THUNDERSTORMS.
LOWS 56 TO 61. HIGHS 82 TO 87. EAST WINDS 5 TO 15 MPH.
SATURDAY
PARTLY CLOUDY. SCATTERED SHOWERS AND THUNDERSTORMS.
LOWS 53 TO 58. HIGHS 74 TO 79.
SUNDAY
SUNNY. HIGHS 80 TO 85.
WYZ274-292215-
SHERIDAN COUNTY-
1255 AM MDT MON JUN 29 2026
TODAY
* SKY/WEATHER...........PARTLY SUNNY. ISOLATED RAIN SHOWERS IN THE
AFTERNOON.
* MAX TEMPERATURE.......69-74.
* 24 HR TREND.........6 DEGREES COOLER.
* MIN HUMIDITY..........27-32 PERCENT.
* 24 HR TREND.........13 PERCENT WETTER.
* WIND (20 FT)
* SLOPE/VALLEY.........WEST WINDS 10 TO 20 MPH WITH GUSTS TO AROUND
30 MPH.
* RIDGETOP.............SOUTHWEST 10 TO 20 MPH.
* CHANCE OF LIGHTNING...7 PERCENT.
* CWR...................ZERO.
TONIGHT
* SKY/WEATHER...........PARTLY CLOUDY.
* MIN TEMPERATURE.......43-48.
* 24 HR TREND.........1 DEGREE COOLER.
* MAX HUMIDITY..........75-80 PERCENT.
* 24 HR TREND.........2 PERCENT WETTER.
* WIND (20 FT)
* SLOPE/VALLEY.........WEST WINDS 5 TO 10 MPH.
* RIDGETOP.............WEST 20 TO 35 MPH.
* CHANCE OF LIGHTNING...6 PERCENT.
* CWR...................ZERO.
TUESDAY
* SKY/WEATHER...........SUNNY.
* MAX TEMPERATURE.......76-81.
* 24 HR TREND.........7 DEGREES WARMER.
* MIN HUMIDITY..........29-34 PERCENT.
* 24 HR TREND.........2 PERCENT WETTER.
* WIND (20 FT)
* SLOPE/VALLEY.........SOUTHEAST WINDS 5 TO 10 MPH IN THE MORNING
SHIFTING TO THE NORTHEAST IN THE AFTERNOON.
* RIDGETOP.............WEST 10 TO 20 MPH.
* CHANCE OF LIGHTNING...4 PERCENT.
* CWR...................ZERO.
FORECAST DAYS 3 THROUGH 7...
TUESDAY NIGHT
PARTLY CLOUDY. SCATTERED SHOWERS. LOWS 48 TO 53.
WEST WINDS 5 TO 10 MPH.
WEDNESDAY
PARTLY CLOUDY. SCATTERED SHOWERS AND ISOLATED
THUNDERSTORMS. LOWS 49 TO 54. HIGHS 78 TO 83. SOUTHWEST WINDS
5 TO 10 MPH.
THURSDAY
PARTLY CLOUDY. ISOLATED SHOWERS AND THUNDERSTORMS.
LOWS 51 TO 56. HIGHS 82 TO 87. WEST WINDS 5 TO 10 MPH.
FRIDAY
PARTLY CLOUDY. SCATTERED SHOWERS AND THUNDERSTORMS.
LOWS 50 TO 55. HIGHS 81 TO 86. WEST WINDS 5 TO 10 MPH.
SATURDAY
PARTLY CLOUDY. SCATTERED SHOWERS AND THUNDERSTORMS.
LOWS 48 TO 53. HIGHS 73 TO 78.
SUNDAY
WARMER, SUNNY. HIGHS 83 TO 88.
WYZ284-292215-
BIGHORN NATIONAL FOREST-
1255 AM MDT MON JUN 29 2026
TODAY
* SKY/WEATHER...........MOSTLY SUNNY. SCATTERED RAIN SHOWERS IN THE
AFTERNOON.
* MAX TEMPERATURE.......50-55.
* 24 HR TREND.........4 DEGREES COOLER.
* MIN HUMIDITY..........36-41 PERCENT.
* 24 HR TREND.........11 PERCENT WETTER.
* WIND (20 FT)
* AT BURGESS JCT.......WINDY. SOUTHWEST WINDS 15 TO 30 MPH WITH
GUSTS TO AROUND 50 MPH.
* CHANCE OF LIGHTNING...8 PERCENT.
* CWR...................20 PERCENT.
TONIGHT
* SKY/WEATHER...........PARTLY CLOUDY. ISOLATED RAIN SHOWERS IN THE
EVENING.
* MIN TEMPERATURE.......34-39.
* 24 HR TREND.........1 DEGREE WARMER.
* MAX HUMIDITY..........84-89 PERCENT.
* 24 HR TREND.........17 PERCENT WETTER.
* WIND (20 FT)
* AT BURGESS JCT.......SOUTHWEST WINDS 15 TO 25 MPH. GUSTS UP TO 50
MPH IN THE EVENING DECREASING TO 30 MPH OVERNIGHT.
* CHANCE OF LIGHTNING...7 PERCENT.
* CWR...................ZERO.
TUESDAY
* SKY/WEATHER...........SUNNY.
* MAX TEMPERATURE.......60-65.
* 24 HR TREND.........10 DEGREES WARMER.
* MIN HUMIDITY..........33-38 PERCENT.
* 24 HR TREND.........3 PERCENT DRIER.
* WIND (20 FT)
* AT BURGESS JCT.......SOUTHWEST WINDS 10 TO 20 MPH.
* CHANCE OF LIGHTNING...9 PERCENT.
* CWR...................ZERO.
FORECAST DAYS 3 THROUGH 7...
TUESDAY NIGHT
MOSTLY CLOUDY. SCATTERED SHOWERS. LOWS 38 TO 43.
WEST WINDS 5 TO 10 MPH.
WEDNESDAY
PARTLY CLOUDY. SCATTERED SHOWERS AND ISOLATED
THUNDERSTORMS. LOWS 40 TO 45. HIGHS 62 TO 67. SOUTHWEST WINDS
5 TO 15 MPH.
THURSDAY
PARTLY CLOUDY. ISOLATED SHOWERS AND THUNDERSTORMS.
LOWS 42 TO 47. HIGHS 65 TO 70. SOUTHWEST WINDS 10 TO 20 MPH WITH
GUSTS TO AROUND 30 MPH.
FRIDAY
PARTLY CLOUDY. SCATTERED SHOWERS AND THUNDERSTORMS.
LOWS 40 TO 45. HIGHS 65 TO 70. SOUTHWEST WINDS 5 TO 15 MPH WITH
GUSTS TO AROUND 30 MPH.
SATURDAY
PARTLY CLOUDY. SCATTERED SHOWERS AND THUNDERSTORMS.
LOWS 40 TO 45. HIGHS 59 TO 64.
SUNDAY
WARMER, SUNNY. HIGHS 67 TO 72.
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