923
FNUS55 KBYZ 150841 CCA
FWFBYZ
FIRE WEATHER PLANNING FORECAST FOR SCEN AND SERN MONTANA...CORRECTED
NATIONAL WEATHER SERVICE BILLINGS MT
241 AM MDT WED JUL 15 2026
..DAILY CHANCES OF WET THUNDERSTORMS THROUGH THE WEEK
DISCUSSION
ANOMALOUSLY HIGH ATMOSPHERIC MOISTURE WILL RESULT IN DAILY CHANCES
OF WET THUNDERSTORMS THROUGH THE WEEK. THUNDERSTORM COVERAGE WILL
OVERALL BE HIGHEST FROM ROSEBUD COUNTY WESTWARD. STORMS HAVE THE
POTENTIAL TO PRODUCE VERY HEAVY RAIN AND GUSTY/ERRATIC WINDS. OVER
THE SOUTHEAST, INCLUDING PORTIONS OF ZONES 131 AND 133, A DRIER
AIR MASS LINGERS TODAY, LIMITING PRECIPITATION CHANCES AND KEEPING
DAYTIME RHS IN THE TEENS TO LOW 20S. HIGHER HUMIDITIES WILL REACH
THIS AREA WEDNESDAY NIGHT. JKL
MTZ123-152215-
GALLATIN NATIONAL FOREST-
241 AM MDT WED JUL 15 2026
TODAY
* SKY/WEATHER...........MOSTLY CLOUDY. SCATTERED RAIN SHOWERS IN
THE MORNING, THEN NUMEROUS RAIN SHOWERS AND SCATTERED
THUNDERSTORMS IN THE AFTERNOON.
* MAX TEMPERATURE.......79-88 AT 5000 FEET...68-78 AT 7000 FEET.
* 24 HR TREND.........7 DEGREES COOLER.
* MIN HUMIDITY..........43-53 PERCENT AT 5000 FEET...50-60 PERCENT
AT 7000 FEET.
* 24 HR TREND.........15 PERCENT WETTER.
* WIND (20 FT)
* SLOPE/VALLEY.........LIGHT WINDS IN THE MORNING BECOMING NORTH 5
TO 10 MPH IN THE AFTERNOON.
* RIDGETOP.............SOUTHWEST 5 TO 10 MPH.
* CHANCE OF LIGHTNING...53 PERCENT.
* CWR...................40 PERCENT.
TONIGHT
* SKY/WEATHER...........PARTLY CLOUDY. SCATTERED SHOWERS AND
THUNDERSTORMS IN THE EVENING.
* MIN TEMPERATURE.......53-63 AT 5000 FEET...50-60 AT 7000 FEET.
* 24 HR TREND.........1 DEGREE COOLER.
* MAX HUMIDITY..........79-89 PERCENT AT 5000 FEET...77-87 PERCENT
AT 7000 FEET.
* 24 HR TREND.........12 PERCENT DRIER.
* WIND (20 FT)
* SLOPE/VALLEY.........NORTHEAST WINDS 5 TO 10 MPH IN THE EVENING
BECOMING LIGHT OVERNIGHT.
* RIDGETOP.............NORTHWEST 5 TO 10 MPH.
* CHANCE OF LIGHTNING...29 PERCENT.
* CWR...................LESS THAN 10 PERCENT.
THURSDAY
* SKY/WEATHER...........SUNNY IN THE MORNING, THEN PARTLY SUNNY
WITH SCATTERED RAIN SHOWERS AND ISOLATED THUNDERSTORMS IN THE
AFTERNOON.
* MAX TEMPERATURE.......83-93 AT 5000 FEET...71-81 AT 7000 FEET.
* 24 HR TREND.........4 DEGREES WARMER.
* MIN HUMIDITY..........34-44 PERCENT AT 5000 FEET...39-49 PERCENT
AT 7000 FEET.
* 24 HR TREND.........11 PERCENT DRIER.
* WIND (20 FT)
* SLOPE/VALLEY.........LIGHT WINDS IN THE MORNING BECOMING NORTH 5
TO 10 MPH IN THE AFTERNOON.
* RIDGETOP.............SOUTHEAST 5 TO 10 MPH.
* CHANCE OF LIGHTNING...23 PERCENT.
* CWR...................LESS THAN 10 PERCENT.
FORECAST DAYS 3 THROUGH 7...
THURSDAY NIGHT
MOSTLY CLOUDY. SCATTERED SHOWERS AND
THUNDERSTORMS. LOWS 55 TO 65. SOUTHEAST WINDS 5 TO 10 MPH.
FRIDAY
MOSTLY CLOUDY. NUMEROUS SHOWERS AND SCATTERED
THUNDERSTORMS. LOWS 56 TO 66. HIGHS 86 TO 96. SOUTHEAST WINDS
5 TO 10 MPH.
SATURDAY
PARTLY CLOUDY. SCATTERED SHOWERS AND ISOLATED
THUNDERSTORMS. LOWS 56 TO 66. HIGHS 87 TO 95. WEST WINDS 5 TO
10 MPH.
SUNDAY
PARTLY CLOUDY. ISOLATED SHOWERS. LOWS 54 TO 64. HIGHS
85 TO 94. NORTH WINDS 5 TO 10 MPH.
MONDAY
MOSTLY CLOUDY. SCATTERED SHOWERS AND ISOLATED
THUNDERSTORMS. LOWS 54 TO 64. HIGHS 81 TO 91.
TUESDAY
PARTLY SUNNY. NUMEROUS SHOWERS AND SCATTERED
THUNDERSTORMS. HIGHS 75 TO 85.
MTZ124-152215-
WHEATLAND COUNTY/SWEET GRASS COUNTY-
241 AM MDT WED JUL 15 2026
TODAY
* SKY/WEATHER...........MOSTLY CLOUDY. SCATTERED RAIN SHOWERS AND
ISOLATED THUNDERSTORMS IN THE MORNING, THEN NUMEROUS RAIN SHOWERS
AND SCATTERED THUNDERSTORMS IN THE AFTERNOON.
* MAX TEMPERATURE.......80-85.
* 24 HR TREND.........10 DEGREES COOLER.
* MIN HUMIDITY..........50-55 PERCENT.
* 24 HR TREND.........23 PERCENT WETTER.
* WIND (20 FT)
* PLAINS...............NORTH WINDS 5 TO 10 MPH.
* CHANCE OF LIGHTNING...50 PERCENT.
* CWR...................50 PERCENT.
TONIGHT
* SKY/WEATHER...........PARTLY CLOUDY. SCATTERED SHOWERS AND
THUNDERSTORMS IN THE EVENING.
* MIN TEMPERATURE.......56-61.
* 24 HR TREND.........2 DEGREES COOLER.
* MAX HUMIDITY..........90-95 PERCENT.
* 24 HR TREND.........2 PERCENT WETTER.
* WIND (20 FT)
* PLAINS...............SOUTHEAST WINDS 5 TO 10 MPH IN THE EVENING
SHIFTING TO THE WEST OVERNIGHT.
* CHANCE OF LIGHTNING...33 PERCENT.
* CWR...................20 PERCENT.
THURSDAY
* SKY/WEATHER...........SUNNY IN THE MORNING, THEN PARTLY SUNNY
WITH SCATTERED SHOWERS AND THUNDERSTORMS IN THE AFTERNOON.
* MAX TEMPERATURE.......84-89.
* 24 HR TREND.........4 DEGREES WARMER.
* MIN HUMIDITY..........38-43 PERCENT.
* 24 HR TREND.........12 PERCENT DRIER.
* WIND (20 FT)
* PLAINS...............SOUTHEAST WINDS 5 TO 10 MPH.
* CHANCE OF LIGHTNING...33 PERCENT.
* CWR...................10 PERCENT.
FORECAST DAYS 3 THROUGH 7...
THURSDAY NIGHT
MOSTLY CLOUDY. SCATTERED SHOWERS AND
THUNDERSTORMS. LOWS 57 TO 62. EAST WINDS 5 TO 15 MPH.
FRIDAY
MOSTLY CLOUDY. NUMEROUS SHOWERS AND SCATTERED
THUNDERSTORMS. LOWS 58 TO 63. HIGHS 89 TO 94. SOUTHEAST WINDS
5 TO 15 MPH.
SATURDAY
PARTLY CLOUDY. SCATTERED SHOWERS AND ISOLATED
THUNDERSTORMS. LOWS 58 TO 63. HIGHS 92 TO 97. WEST WINDS 5 TO
15 MPH.
SUNDAY
MOSTLY CLEAR. LOWS 55 TO 60. HIGHS 89 TO 94. NORTH
WINDS 5 TO 15 MPH.
MONDAY
PARTLY CLOUDY. ISOLATED SHOWERS. LOWS 56 TO 61. HIGHS
83 TO 88.
TUESDAY
PARTLY SUNNY. SCATTERED SHOWERS AND ISOLATED
THUNDERSTORMS. HIGHS 79 TO 84.
MTZ125-152215-
STILLWATER COUNTY-
241 AM MDT WED JUL 15 2026
TODAY
* SKY/WEATHER...........PARTLY SUNNY. SCATTERED RAIN SHOWERS IN THE
MORNING, THEN RAIN SHOWERS AND NUMEROUS THUNDERSTORMS IN THE
AFTERNOON. SOME THUNDERSTORMS MAY PRODUCE HEAVY RAINFALL IN THE
AFTERNOON.
* MAX TEMPERATURE.......84-89.
* 24 HR TREND.........6 DEGREES COOLER.
* MIN HUMIDITY..........50-55 PERCENT.
* 24 HR TREND.........23 PERCENT WETTER.
* WIND (20 FT)
* PLAINS...............LIGHT WINDS IN THE MORNING BECOMING SOUTH 5
TO 10 MPH IN THE AFTERNOON.
* CHANCE OF LIGHTNING...65 PERCENT.
* CWR...................70 PERCENT.
TONIGHT
* SKY/WEATHER...........MOSTLY CLOUDY. NUMEROUS RAIN SHOWERS AND
SCATTERED THUNDERSTORMS IN THE EVENING. SOME THUNDERSTORMS MAY
PRODUCE HEAVY RAINFALL IN THE EVENING.
* MIN TEMPERATURE.......59-64.
* 24 HR TREND.........3 DEGREES COOLER.
* MAX HUMIDITY..........79-84 PERCENT.
* 24 HR TREND.........3 PERCENT DRIER.
* WIND (20 FT)
* PLAINS...............SOUTHEAST WINDS 5 TO 10 MPH IN THE EVENING
BECOMING LIGHT OVERNIGHT.
* CHANCE OF LIGHTNING...39 PERCENT.
* CWR...................30 PERCENT.
THURSDAY
* SKY/WEATHER...........MOSTLY SUNNY. NUMEROUS RAIN SHOWERS AND
SCATTERED THUNDERSTORMS IN THE AFTERNOON.
* MAX TEMPERATURE.......87-92.
* 24 HR TREND.........3 DEGREES WARMER.
* MIN HUMIDITY..........39-44 PERCENT.
* 24 HR TREND.........11 PERCENT DRIER.
* WIND (20 FT)
* PLAINS...............LIGHT WINDS IN THE MORNING BECOMING EAST 5
TO 10 MPH IN THE AFTERNOON.
* CHANCE OF LIGHTNING...47 PERCENT.
* CWR...................20 PERCENT.
FORECAST DAYS 3 THROUGH 7...
THURSDAY NIGHT
MOSTLY CLOUDY. SCATTERED SHOWERS AND
THUNDERSTORMS. LOWS 60 TO 65. SOUTH WINDS 5 TO 10 MPH.
FRIDAY
MOSTLY CLOUDY. SCATTERED SHOWERS AND THUNDERSTORMS.
LOWS 61 TO 66. HIGHS 91 TO 96. SOUTH WINDS 5 TO 10 MPH.
SATURDAY
MOSTLY CLOUDY. SCATTERED SHOWERS AND THUNDERSTORMS.
LOWS 60 TO 65. HIGHS 93 TO 98. WEST WINDS 5 TO 10 MPH.
SUNDAY
PARTLY CLOUDY. SCATTERED SHOWERS AND THUNDERSTORMS.
LOWS 58 TO 63. HIGHS 91 TO 96. NORTH WINDS 5 TO 10 MPH.
MONDAY
PARTLY CLOUDY. SCATTERED SHOWERS AND ISOLATED
THUNDERSTORMS. LOWS 59 TO 64. HIGHS 86 TO 91.
TUESDAY
PARTLY SUNNY. SCATTERED SHOWERS AND THUNDERSTORMS.
HIGHS 80 TO 85.
MTZ126-152215-
BEARTOOTH RANGER DISTRICT CUSTER NATIONAL FOREST-
241 AM MDT WED JUL 15 2026
TODAY
* SKY/WEATHER...........PARTLY SUNNY. SCATTERED RAIN SHOWERS IN THE
MORNING, THEN RAIN SHOWERS AND NUMEROUS THUNDERSTORMS IN THE
AFTERNOON. SOME THUNDERSTORMS MAY PRODUCE HEAVY RAINFALL IN THE
AFTERNOON.
* MAX TEMPERATURE.......81-91 AT 5000 FEET...72-82 AT 7000 FEET.
* 24 HR TREND.........1 DEGREE COOLER.
* MIN HUMIDITY..........43-53 PERCENT AT 5000 FEET...52-62 PERCENT
AT 7000 FEET.
* 24 HR TREND.........34 PERCENT WETTER.
* WIND (20 FT)
* SLOPE/VALLEY.........NORTHWEST WINDS 5 TO 10 MPH.
* RIDGETOP.............SOUTHWEST 5 TO 10 MPH.
* CHANCE OF LIGHTNING...68 PERCENT.
* CWR...................80 PERCENT.
TONIGHT
* SKY/WEATHER...........MOSTLY CLOUDY. SCATTERED SHOWERS AND
THUNDERSTORMS IN THE EVENING. SOME THUNDERSTORMS MAY PRODUCE
HEAVY RAINFALL IN THE EVENING.
* MIN TEMPERATURE.......60-67 AT 5000 FEET...51-61 AT 7000 FEET.
* 24 HR TREND.........3 DEGREES COOLER.
* MAX HUMIDITY..........68-78 PERCENT AT 5000 FEET...73-83 PERCENT
AT 7000 FEET.
* 24 HR TREND.........4 PERCENT DRIER.
* WIND (20 FT)
* SLOPE/VALLEY.........WEST WINDS 5 TO 10 MPH.
* RIDGETOP.............SOUTH 5 TO 10 MPH.
* CHANCE OF LIGHTNING...40 PERCENT.
* CWR...................30 PERCENT.
THURSDAY
* SKY/WEATHER...........MOSTLY SUNNY IN THE MORNING, THEN MOSTLY
CLOUDY WITH RAIN SHOWERS AND SCATTERED THUNDERSTORMS IN THE
AFTERNOON.
* MAX TEMPERATURE.......83-90 AT 5000 FEET...72-82 AT 7000 FEET.
* 24 HR TREND.........UNCHANGED.
* MIN HUMIDITY..........38-48 PERCENT AT 5000 FEET...46-56 PERCENT
AT 7000 FEET.
* 24 HR TREND.........9 PERCENT DRIER.
* WIND (20 FT)
* SLOPE/VALLEY.........NORTHEAST WINDS 5 TO 10 MPH.
* RIDGETOP.............SOUTH 5 TO 10 MPH.
* CHANCE OF LIGHTNING...52 PERCENT.
* CWR...................60 PERCENT.
FORECAST DAYS 3 THROUGH 7...
THURSDAY NIGHT
MOSTLY CLOUDY. SCATTERED SHOWERS AND
THUNDERSTORMS. LOWS 60 TO 69. SOUTHWEST WINDS 5 TO 10 MPH.
FRIDAY
MOSTLY CLOUDY. NUMEROUS SHOWERS AND SCATTERED
THUNDERSTORMS. LOWS 62 TO 71. HIGHS 87 TO 94. SOUTH WINDS 5 TO
10 MPH.
SATURDAY
MOSTLY CLOUDY. NUMEROUS SHOWERS AND SCATTERED
THUNDERSTORMS. LOWS 62 TO 70. HIGHS 88 TO 95. WEST WINDS 5 TO
10 MPH.
SUNDAY
MOSTLY CLOUDY. SCATTERED SHOWERS AND THUNDERSTORMS.
LOWS 59 TO 67. HIGHS 84 TO 92. NORTHWEST WINDS 5 TO 10 MPH.
MONDAY
MOSTLY CLOUDY. SCATTERED SHOWERS AND THUNDERSTORMS.
LOWS 60 TO 67. HIGHS 80 TO 88.
TUESDAY
MOSTLY CLOUDY. NUMEROUS SHOWERS AND SCATTERED
THUNDERSTORMS. HIGHS 76 TO 83.
MTZ127-152215-
GOLDEN VALLEY COUNTY/MUSSELSHELL COUNTY-
241 AM MDT WED JUL 15 2026
TODAY
* SKY/WEATHER...........MOSTLY SUNNY. ISOLATED SHOWERS AND
THUNDERSTORMS IN THE AFTERNOON. SOME THUNDERSTORMS MAY PRODUCE
HEAVY RAINFALL IN THE AFTERNOON.
* MAX TEMPERATURE.......80-85.
* 24 HR TREND.........10 DEGREES COOLER.
* MIN HUMIDITY..........52-57 PERCENT.
* 24 HR TREND.........18 PERCENT WETTER.
* WIND (20 FT)
* PLAINS...............NORTH WINDS 10 TO 20 MPH.
* CHANCE OF LIGHTNING...23 PERCENT.
* CWR...................10 PERCENT.
TONIGHT
* SKY/WEATHER...........MOSTLY CLOUDY. SCATTERED SHOWERS AND
THUNDERSTORMS IN THE EVENING. SOME THUNDERSTORMS MAY PRODUCE
HEAVY RAINFALL IN THE EVENING.
* MIN TEMPERATURE.......62-67.
* 24 HR TREND.........1 DEGREE WARMER.
* MAX HUMIDITY..........75-80 PERCENT.
* 24 HR TREND.........23 PERCENT DRIER.
* WIND (20 FT)
* PLAINS...............NORTHWEST WINDS 5 TO 15 MPH.
* CHANCE OF LIGHTNING...39 PERCENT.
* CWR...................40 PERCENT.
THURSDAY
* SKY/WEATHER...........MOSTLY SUNNY. ISOLATED SHOWERS AND
THUNDERSTORMS IN THE AFTERNOON.
* MAX TEMPERATURE.......84-89.
* 24 HR TREND.........4 DEGREES WARMER.
* MIN HUMIDITY..........40-45 PERCENT.
* 24 HR TREND.........12 PERCENT DRIER.
* WIND (20 FT)
* PLAINS...............NORTHEAST WINDS 5 TO 10 MPH.
* CHANCE OF LIGHTNING...22 PERCENT.
* CWR...................LESS THAN 10 PERCENT.
FORECAST DAYS 3 THROUGH 7...
THURSDAY NIGHT
MOSTLY CLOUDY. SCATTERED SHOWERS AND
THUNDERSTORMS. LOWS 66 TO 71. EAST WINDS 5 TO 15 MPH.
FRIDAY
MOSTLY CLOUDY. SCATTERED SHOWERS AND THUNDERSTORMS.
LOWS 66 TO 71. HIGHS 89 TO 94. EAST WINDS 5 TO 15 MPH.
SATURDAY
PARTLY CLOUDY. SCATTERED SHOWERS AND THUNDERSTORMS.
LOWS 67 TO 72. HIGHS 90 TO 95. NORTHWEST WINDS 5 TO 10 MPH.
SUNDAY
PARTLY CLOUDY. LOWS 63 TO 68. HIGHS 87 TO 92. NORTH
WINDS 5 TO 15 MPH.
MONDAY
PARTLY CLOUDY. ISOLATED SHOWERS. LOWS 63 TO 68. HIGHS
80 TO 85.
TUESDAY
PARTLY SUNNY. ISOLATED SHOWERS AND THUNDERSTORMS.
HIGHS 77 TO 82.
MTZ128-152215-
YELLOWSTONE COUNTY-
241 AM MDT WED JUL 15 2026
TODAY
* SKY/WEATHER...........PARTLY SUNNY. ISOLATED RAIN SHOWERS IN THE
MORNING, THEN SCATTERED SHOWERS AND THUNDERSTORMS IN THE
AFTERNOON. SOME THUNDERSTORMS MAY PRODUCE HEAVY RAINFALL IN THE
AFTERNOON.
* MAX TEMPERATURE.......87-92.
* 24 HR TREND.........6 DEGREES COOLER.
* MIN HUMIDITY..........45-50 PERCENT.
* 24 HR TREND.........16 PERCENT WETTER.
* WIND (20 FT)
* PLAINS...............NORTH WINDS 5 TO 15 MPH.
* CHANCE OF LIGHTNING...36 PERCENT.
* CWR...................20 PERCENT.
TONIGHT
* SKY/WEATHER...........MOSTLY CLOUDY. NUMEROUS RAIN SHOWERS AND
SCATTERED THUNDERSTORMS IN THE EVENING. SOME THUNDERSTORMS MAY
PRODUCE HEAVY RAINFALL IN THE EVENING.
* MIN TEMPERATURE.......62-67.
* 24 HR TREND.........3 DEGREES COOLER.
* MAX HUMIDITY..........80-85 PERCENT.
* 24 HR TREND.........5 PERCENT DRIER.
* WIND (20 FT)
* PLAINS...............NORTHEAST WINDS 5 TO 15 MPH IN THE EVENING
SHIFTING TO THE NORTHWEST 5 TO 10 MPH OVERNIGHT.
* CHANCE OF LIGHTNING...38 PERCENT.
* CWR...................50 PERCENT.
THURSDAY
* SKY/WEATHER...........MOSTLY SUNNY. ISOLATED SHOWERS AND
THUNDERSTORMS IN THE AFTERNOON.
* MAX TEMPERATURE.......90-95.
* 24 HR TREND.........3 DEGREES WARMER.
* MIN HUMIDITY..........37-42 PERCENT.
* 24 HR TREND.........8 PERCENT DRIER.
* WIND (20 FT)
* PLAINS...............NORTHEAST WINDS 5 TO 10 MPH.
* CHANCE OF LIGHTNING...23 PERCENT.
* CWR...................10 PERCENT.
FORECAST DAYS 3 THROUGH 7...
THURSDAY NIGHT
MOSTLY CLOUDY. SCATTERED SHOWERS AND
THUNDERSTORMS. LOWS 64 TO 69. EAST WINDS 5 TO 15 MPH.
FRIDAY
MOSTLY CLOUDY. SCATTERED SHOWERS AND THUNDERSTORMS.
LOWS 65 TO 70. HIGHS 95 TO 100. EAST WINDS 5 TO 15 MPH.
SATURDAY
PARTLY CLOUDY. SCATTERED SHOWERS AND THUNDERSTORMS.
LOWS 65 TO 70. HIGHS 96 TO 101. WEST WINDS 5 TO 10 MPH.
SUNDAY
PARTLY CLOUDY. ISOLATED SHOWERS. LOWS 62 TO 67. HIGHS
93 TO 98. NORTH WINDS 5 TO 15 MPH.
MONDAY
PARTLY CLOUDY. ISOLATED SHOWERS AND THUNDERSTORMS. LOWS
63 TO 68. HIGHS 86 TO 91.
TUESDAY
PARTLY SUNNY. SCATTERED SHOWERS AND ISOLATED
THUNDERSTORMS. HIGHS 84 TO 89.
MTZ129-152215-
CROW INDIAN RESERVATION/BIGHORN CANYON REC AREA-
241 AM MDT WED JUL 15 2026
TODAY
* SKY/WEATHER...........MOSTLY SUNNY.
* MAX TEMPERATURE.......80-90 AT 5000 FEET...74-80 AT 7000 FEET.
* 24 HR TREND.........9 DEGREES COOLER.
* MIN HUMIDITY..........41-51 PERCENT AT 5000 FEET...52-62 PERCENT
AT 7000 FEET.
* 24 HR TREND.........22 PERCENT WETTER.
* WIND (20 FT)
* SLOPE/VALLEY.........NORTHWEST WINDS 5 TO 15 MPH.
* RIDGETOP.............SOUTH 5 TO 10 MPH.
* CHANCE OF LIGHTNING...14 PERCENT.
* CWR...................ZERO.
TONIGHT
* SKY/WEATHER...........MOSTLY CLOUDY. SCATTERED SHOWERS AND
THUNDERSTORMS IN THE EVENING. SOME THUNDERSTORMS MAY PRODUCE
HEAVY RAINFALL IN THE EVENING.
* MIN TEMPERATURE.......61-66 AT 5000 FEET...58-64 AT 7000 FEET.
* 24 HR TREND.........1 DEGREE COOLER.
* MAX HUMIDITY..........71-81 PERCENT AT 5000 FEET...65-73 PERCENT
AT 7000 FEET.
* 24 HR TREND.........17 PERCENT DRIER.
* WIND (20 FT)
* SLOPE/VALLEY.........NORTHWEST WINDS 5 TO 10 MPH.
* RIDGETOP.............LIGHT WINDS.
* CHANCE OF LIGHTNING...34 PERCENT.
* CWR...................30 PERCENT.
THURSDAY
* SKY/WEATHER...........MOSTLY SUNNY. SCATTERED SHOWERS AND
THUNDERSTORMS IN THE AFTERNOON.
* MAX TEMPERATURE.......80-90 AT 5000 FEET...73-80 AT 7000 FEET.
* 24 HR TREND.........1 DEGREE COOLER.
* MIN HUMIDITY..........39-49 PERCENT AT 5000 FEET...53-63 PERCENT
AT 7000 FEET.
* 24 HR TREND.........4 PERCENT WETTER.
* WIND (20 FT)
* SLOPE/VALLEY.........NORTHEAST WINDS 5 TO 10 MPH.
* RIDGETOP.............SOUTH 5 TO 15 MPH.
* CHANCE OF LIGHTNING...28 PERCENT.
* CWR...................20 PERCENT.
FORECAST DAYS 3 THROUGH 7...
THURSDAY NIGHT
MOSTLY CLOUDY. SCATTERED SHOWERS AND
THUNDERSTORMS. LOWS 61 TO 67. EAST WINDS 5 TO 10 MPH.
FRIDAY
PARTLY CLOUDY. SCATTERED SHOWERS AND THUNDERSTORMS.
LOWS 64 TO 70. HIGHS 85 TO 95. SOUTHEAST WINDS 5 TO 15 MPH.
SATURDAY
MOSTLY CLOUDY. SCATTERED SHOWERS AND THUNDERSTORMS.
LOWS 64 TO 70. HIGHS 86 TO 96. WEST WINDS 5 TO 10 MPH.
SUNDAY
PARTLY CLOUDY. ISOLATED SHOWERS AND THUNDERSTORMS. LOWS
61 TO 66. HIGHS 82 TO 92. NORTH WINDS 5 TO 15 MPH.
MONDAY
PARTLY CLOUDY. SCATTERED SHOWERS AND ISOLATED
THUNDERSTORMS. LOWS 60 TO 66. HIGHS 78 TO 88.
TUESDAY
PARTLY SUNNY. SCATTERED SHOWERS AND ISOLATED
THUNDERSTORMS. HIGHS 74 TO 84.
MTZ130-152215-
NORTHERN ROSEBUD/NORTHERN TREASURE COUNTIES-
241 AM MDT WED JUL 15 2026
TODAY
* SKY/WEATHER...........MOSTLY SUNNY.
* MAX TEMPERATURE.......93-98.
* 24 HR TREND.........6 DEGREES COOLER.
* MIN HUMIDITY..........30-35 PERCENT.
* 24 HR TREND.........6 PERCENT WETTER.
* WIND (20 FT)
* PLAINS...............NORTH WINDS 5 TO 15 MPH.
* CHANCE OF LIGHTNING...1 PERCENT.
* CWR...................ZERO.
TONIGHT
* SKY/WEATHER...........MOSTLY CLOUDY. ISOLATED SHOWERS AND
THUNDERSTORMS IN THE EVENING.
* MIN TEMPERATURE.......64-69.
* 24 HR TREND.........2 DEGREES COOLER.
* MAX HUMIDITY..........81-86 PERCENT.
* 24 HR TREND.........9 PERCENT WETTER.
* WIND (20 FT)
* PLAINS...............NORTHWEST WINDS 5 TO 15 MPH.
* CHANCE OF LIGHTNING...24 PERCENT.
* CWR...................10 PERCENT.
THURSDAY
* SKY/WEATHER...........MOSTLY SUNNY.
* MAX TEMPERATURE.......92-97.
* 24 HR TREND.........1 DEGREE COOLER.
* MIN HUMIDITY..........28-33 PERCENT.
* 24 HR TREND.........2 PERCENT DRIER.
* WIND (20 FT)
* PLAINS...............NORTH WINDS 5 TO 10 MPH.
* CHANCE OF LIGHTNING...13 PERCENT.
* CWR...................ZERO.
FORECAST DAYS 3 THROUGH 7...
THURSDAY NIGHT
MOSTLY CLOUDY. SCATTERED SHOWERS AND ISOLATED
THUNDERSTORMS. LOWS 65 TO 70. NORTHEAST WINDS 5 TO 10 MPH.
FRIDAY
PARTLY CLOUDY. SCATTERED SHOWERS AND THUNDERSTORMS.
LOWS 67 TO 72. HIGHS 96 TO 101. EAST WINDS 5 TO 15 MPH.
SATURDAY
PARTLY CLOUDY. SCATTERED SHOWERS AND ISOLATED
THUNDERSTORMS. LOWS 66 TO 71. HIGHS 98 TO 103. WEST WINDS 5 TO
10 MPH.
SUNDAY
MOSTLY CLEAR. LOWS 62 TO 67. HIGHS 94 TO 99. NORTH
WINDS 5 TO 15 MPH.
MONDAY
PARTLY CLOUDY. LOWS 61 TO 66. HIGHS 88 TO 93.
TUESDAY
PARTLY SUNNY. ISOLATED SHOWERS. HIGHS 85 TO 90.
MTZ131-152215-
NORTHERN CHEYENNE INDIAN RESERVATION/ASHLAND RANGER DISTRICT
CUSTER NATL FOREST-
241 AM MDT WED JUL 15 2026
TODAY
* SKY/WEATHER...........SUNNY.
* MAX TEMPERATURE.......94-99.
* 24 HR TREND.........7 DEGREES COOLER.
* MIN HUMIDITY..........26-31 PERCENT.
* 24 HR TREND.........18 PERCENT WETTER.
* WIND (20 FT)
* SLOPE/VALLEY.........NORTHWEST WINDS 5 TO 15 MPH.
* RIDGETOP.............SOUTH 5 TO 10 MPH.
* CHANCE OF LIGHTNING...2 PERCENT.
* CWR...................ZERO.
TONIGHT
* SKY/WEATHER...........MOSTLY CLOUDY. ISOLATED SHOWERS AND
THUNDERSTORMS IN THE EVENING.
* MIN TEMPERATURE.......63-68.
* 24 HR TREND.........3 DEGREES COOLER.
* MAX HUMIDITY..........80-85 PERCENT.
* 24 HR TREND.........16 PERCENT WETTER.
* WIND (20 FT)
* SLOPE/VALLEY.........NORTHWEST WINDS 5 TO 15 MPH.
* RIDGETOP.............SOUTH 5 TO 10 MPH.
* CHANCE OF LIGHTNING...17 PERCENT.
* CWR...................10 PERCENT.
THURSDAY
* SKY/WEATHER...........MOSTLY SUNNY. ISOLATED SHOWERS AND
THUNDERSTORMS IN THE AFTERNOON.
* MAX TEMPERATURE.......90-95.
* 24 HR TREND.........4 DEGREES COOLER.
* MIN HUMIDITY..........33-38 PERCENT.
* 24 HR TREND.........7 PERCENT WETTER.
* WIND (20 FT)
* SLOPE/VALLEY.........NORTH WINDS 5 TO 10 MPH.
* RIDGETOP.............SOUTH 5 TO 10 MPH.
* CHANCE OF LIGHTNING...16 PERCENT.
* CWR...................10 PERCENT.
FORECAST DAYS 3 THROUGH 7...
THURSDAY NIGHT
MOSTLY CLOUDY. SCATTERED SHOWERS AND
THUNDERSTORMS. LOWS 63 TO 68. NORTHEAST WINDS 5 TO 10 MPH.
FRIDAY
PARTLY CLOUDY. ISOLATED SHOWERS AND THUNDERSTORMS. LOWS
66 TO 71. HIGHS 95 TO 100. EAST WINDS 5 TO 10 MPH.
SATURDAY
MOSTLY CLOUDY. SCATTERED SHOWERS AND THUNDERSTORMS.
LOWS 65 TO 70. HIGHS 97 TO 102. WEST WINDS 5 TO 10 MPH.
SUNDAY
PARTLY CLOUDY. ISOLATED SHOWERS AND THUNDERSTORMS. LOWS
61 TO 66. HIGHS 92 TO 97. NORTH WINDS 5 TO 15 MPH.
MONDAY
PARTLY CLOUDY. ISOLATED SHOWERS. LOWS 60 TO 65. HIGHS
85 TO 90.
TUESDAY
PARTLY SUNNY. SCATTERED SHOWERS AND ISOLATED
THUNDERSTORMS. HIGHS 83 TO 88.
MTZ132-152215-
CUSTER COUNTY-
241 AM MDT WED JUL 15 2026
TODAY
* SKY/WEATHER...........SUNNY.
* MAX TEMPERATURE.......96-101.
* 24 HR TREND.........4 DEGREES COOLER.
* MIN HUMIDITY..........22-27 PERCENT.
* 24 HR TREND.........8 PERCENT WETTER.
* WIND (20 FT)
* PLAINS...............SOUTH WINDS 5 TO 15 MPH.
* CHANCE OF LIGHTNING...1 PERCENT.
* CWR...................ZERO.
TONIGHT
* SKY/WEATHER...........PARTLY CLOUDY.
* MIN TEMPERATURE.......64-69.
* 24 HR TREND.........3 DEGREES COOLER.
* MAX HUMIDITY..........74-79 PERCENT.
* 24 HR TREND.........27 PERCENT WETTER.
* WIND (20 FT)
* PLAINS...............NORTHWEST WINDS 5 TO 15 MPH.
* CHANCE OF LIGHTNING...6 PERCENT.
* CWR...................ZERO.
THURSDAY
* SKY/WEATHER...........SUNNY.
* MAX TEMPERATURE.......89-94.
* 24 HR TREND.........7 DEGREES COOLER.
* MIN HUMIDITY..........33-38 PERCENT.
* 24 HR TREND.........11 PERCENT WETTER.
* WIND (20 FT)
* PLAINS...............NORTH WINDS 5 TO 15 MPH.
* CHANCE OF LIGHTNING...4 PERCENT.
* CWR...................ZERO.
FORECAST DAYS 3 THROUGH 7...
THURSDAY NIGHT
PARTLY CLOUDY. ISOLATED SHOWERS. LOWS 63 TO 68.
NORTHEAST WINDS 5 TO 15 MPH.
FRIDAY
PARTLY CLOUDY. SCATTERED SHOWERS AND THUNDERSTORMS.
LOWS 66 TO 71. HIGHS 92 TO 97. EAST WINDS 5 TO 15 MPH.
SATURDAY
MOSTLY CLOUDY. SCATTERED SHOWERS AND THUNDERSTORMS.
LOWS 66 TO 71. HIGHS 95 TO 100. SOUTHEAST WINDS 5 TO 15 MPH.
SUNDAY
MOSTLY CLEAR. LOWS 61 TO 66. HIGHS 91 TO 96. NORTHWEST
WINDS 5 TO 15 MPH.
MONDAY
PARTLY CLOUDY. LOWS 58 TO 63. HIGHS 85 TO 90.
TUESDAY
PARTLY SUNNY. HIGHS 80 TO 85.
MTZ133-152215-
SIOUX RANGER DISTRICT CUSTER NATIONAL FOREST-
241 AM MDT WED JUL 15 2026
TODAY
* SKY/WEATHER...........SUNNY.
* MAX TEMPERATURE.......96-101.
* 24 HR TREND.........5 DEGREES COOLER.
* MIN HUMIDITY..........19-24 PERCENT.
* 24 HR TREND.........7 PERCENT WETTER.
* WIND (20 FT)
* PLAINS...............SOUTHEAST WINDS 5 TO 15 MPH.
* CHANCE OF LIGHTNING...0 PERCENT.
* CWR...................ZERO.
TONIGHT
* SKY/WEATHER...........MOSTLY CLEAR.
* MIN TEMPERATURE.......64-69.
* 24 HR TREND.........2 DEGREES COOLER.
* MAX HUMIDITY..........69-74 PERCENT.
* 24 HR TREND.........20 PERCENT WETTER.
* WIND (20 FT)
* PLAINS...............EAST WINDS 5 TO 15 MPH IN THE EVENING
SHIFTING TO THE NORTHWEST OVERNIGHT.
* CHANCE OF LIGHTNING...2 PERCENT.
* CWR...................ZERO.
THURSDAY
* SKY/WEATHER...........MOSTLY SUNNY.
* MAX TEMPERATURE.......92-97.
* 24 HR TREND.........4 DEGREES COOLER.
* MIN HUMIDITY..........33-38 PERCENT.
* 24 HR TREND.........14 PERCENT WETTER.
* WIND (20 FT)
* PLAINS...............NORTH WINDS 5 TO 15 MPH.
* CHANCE OF LIGHTNING...6 PERCENT.
* CWR...................ZERO.
FORECAST DAYS 3 THROUGH 7...
THURSDAY NIGHT
PARTLY CLOUDY. LOWS 63 TO 68. NORTHEAST WINDS
5 TO 15 MPH.
FRIDAY
PARTLY CLOUDY. ISOLATED SHOWERS AND THUNDERSTORMS. LOWS
64 TO 69. HIGHS 92 TO 97. EAST WINDS 5 TO 15 MPH.
SATURDAY
MOSTLY CLOUDY. SCATTERED SHOWERS AND THUNDERSTORMS.
LOWS 65 TO 70. HIGHS 95 TO 100. SOUTHEAST WINDS 5 TO 15 MPH.
SUNDAY
PARTLY CLOUDY. LOWS 61 TO 66. HIGHS 93 TO 98. NORTHWEST
WINDS 5 TO 15 MPH.
MONDAY
PARTLY CLOUDY. LOWS 57 TO 62. HIGHS 85 TO 90.
TUESDAY
PARTLY SUNNY. ISOLATED SHOWERS AND THUNDERSTORMS.
HIGHS 80 TO 85.
WYZ274-152215-
SHERIDAN COUNTY-
241 AM MDT WED JUL 15 2026
TODAY
* SKY/WEATHER...........SUNNY. ISOLATED SHOWERS AND THUNDERSTORMS
IN THE AFTERNOON. SOME THUNDERSTORMS MAY PRODUCE HEAVY RAINFALL
IN THE AFTERNOON.
* MAX TEMPERATURE.......90-95.
* 24 HR TREND.........10 DEGREES COOLER.
* MIN HUMIDITY..........33-38 PERCENT.
* 24 HR TREND.........21 PERCENT WETTER.
* WIND (20 FT)
* SLOPE/VALLEY.........NORTHWEST WINDS 5 TO 15 MPH.
* RIDGETOP.............SOUTH 5 TO 10 MPH.
* CHANCE OF LIGHTNING...21 PERCENT.
* CWR...................20 PERCENT.
TONIGHT
* SKY/WEATHER...........MOSTLY CLOUDY. SCATTERED SHOWERS AND
THUNDERSTORMS IN THE EVENING. SOME THUNDERSTORMS MAY PRODUCE
HEAVY RAINFALL IN THE EVENING.
* MIN TEMPERATURE.......60-65.
* 24 HR TREND.........1 DEGREE COOLER.
* MAX HUMIDITY..........86-91 PERCENT.
* 24 HR TREND.........19 PERCENT WETTER.
* WIND (20 FT)
* SLOPE/VALLEY.........NORTHWEST WINDS 5 TO 15 MPH IN THE EVENING
BECOMING LIGHT OVERNIGHT.
* RIDGETOP.............SOUTHEAST 5 TO 10 MPH.
* CHANCE OF LIGHTNING...25 PERCENT.
* CWR...................40 PERCENT.
THURSDAY
* SKY/WEATHER...........PARTLY SUNNY. ISOLATED RAIN SHOWERS IN THE
MORNING, THEN SCATTERED SHOWERS AND THUNDERSTORMS IN THE
AFTERNOON.
* MAX TEMPERATURE.......89-94.
* 24 HR TREND.........1 DEGREE COOLER.
* MIN HUMIDITY..........37-42 PERCENT.
* 24 HR TREND.........4 PERCENT WETTER.
* WIND (20 FT)
* SLOPE/VALLEY.........LIGHT WINDS IN THE MORNING BECOMING EAST 5
TO 10 MPH IN THE AFTERNOON.
* RIDGETOP.............SOUTH 5 TO 15 MPH.
* CHANCE OF LIGHTNING...42 PERCENT.
* CWR...................20 PERCENT.
FORECAST DAYS 3 THROUGH 7...
THURSDAY NIGHT
MOSTLY CLOUDY. SCATTERED SHOWERS AND
THUNDERSTORMS. LOWS 59 TO 64. LIGHT WINDS.
FRIDAY
MOSTLY CLOUDY. SCATTERED SHOWERS AND THUNDERSTORMS.
LOWS 60 TO 65. HIGHS 94 TO 99. SOUTHEAST WINDS 5 TO 10 MPH.
SATURDAY
MOSTLY CLOUDY. SCATTERED SHOWERS AND THUNDERSTORMS.
LOWS 60 TO 65. HIGHS 95 TO 100. NORTHWEST WINDS 5 TO 10 MPH.
SUNDAY
PARTLY CLOUDY. SCATTERED SHOWERS AND THUNDERSTORMS.
LOWS 57 TO 62. HIGHS 91 TO 96. NORTHWEST WINDS 5 TO 10 MPH.
MONDAY
MOSTLY CLOUDY. SCATTERED SHOWERS AND ISOLATED
THUNDERSTORMS. LOWS 57 TO 62. HIGHS 85 TO 90.
TUESDAY
PARTLY SUNNY. SCATTERED SHOWERS AND ISOLATED
THUNDERSTORMS. HIGHS 83 TO 88.
WYZ284-152215-
BIGHORN NATIONAL FOREST-
241 AM MDT WED JUL 15 2026
TODAY
* SKY/WEATHER...........MOSTLY SUNNY. ISOLATED RAIN SHOWERS IN THE
MORNING, THEN NUMEROUS RAIN SHOWERS AND SCATTERED THUNDERSTORMS
IN THE AFTERNOON. SOME THUNDERSTORMS MAY PRODUCE HEAVY RAINFALL
IN THE AFTERNOON.
* MAX TEMPERATURE.......76-81.
* 24 HR TREND.........3 DEGREES COOLER.
* MIN HUMIDITY..........43-48 PERCENT.
* 24 HR TREND.........21 PERCENT WETTER.
* WIND (20 FT)
* AT BURGESS JCT.......NORTHEAST WINDS 5 TO 15 MPH.
* CHANCE OF LIGHTNING...42 PERCENT.
* CWR...................30 PERCENT.
TONIGHT
* SKY/WEATHER...........MOSTLY CLOUDY. SCATTERED SHOWERS AND
THUNDERSTORMS IN THE EVENING. SOME THUNDERSTORMS MAY PRODUCE
HEAVY RAINFALL IN THE EVENING.
* MIN TEMPERATURE.......48-53.
* 24 HR TREND.........3 DEGREES COOLER.
* MAX HUMIDITY..........100 PERCENT.
* 24 HR TREND.........17 PERCENT WETTER.
* WIND (20 FT)
* AT BURGESS JCT.......NORTH WINDS 5 TO 15 MPH IN THE EVENING
SHIFTING TO THE SOUTHWEST 5 TO 10 MPH OVERNIGHT.
* CHANCE OF LIGHTNING...41 PERCENT.
* CWR...................40 PERCENT.
THURSDAY
* SKY/WEATHER...........MOSTLY SUNNY WITH SCATTERED RAIN SHOWERS IN
THE MORNING, THEN MOSTLY CLOUDY WITH NUMEROUS RAIN SHOWERS AND
SCATTERED THUNDERSTORMS IN THE AFTERNOON.
* MAX TEMPERATURE.......72-77.
* 24 HR TREND.........4 DEGREES COOLER.
* MIN HUMIDITY..........50-55 PERCENT.
* 24 HR TREND.........7 PERCENT WETTER.
* WIND (20 FT)
* AT BURGESS JCT.......EAST WINDS 5 TO 10 MPH.
* CHANCE OF LIGHTNING...48 PERCENT.
* CWR...................60 PERCENT.
FORECAST DAYS 3 THROUGH 7...
THURSDAY NIGHT
MOSTLY CLOUDY. SCATTERED SHOWERS AND
THUNDERSTORMS. LOWS 48 TO 53. SOUTH WINDS 5 TO 10 MPH.
FRIDAY
MOSTLY CLOUDY. SCATTERED SHOWERS AND THUNDERSTORMS.
LOWS 50 TO 55. HIGHS 76 TO 81. SOUTH WINDS 5 TO 10 MPH.
SATURDAY
MOSTLY CLOUDY. SCATTERED SHOWERS AND THUNDERSTORMS.
LOWS 49 TO 54. HIGHS 78 TO 83. WEST WINDS 5 TO 10 MPH.
SUNDAY
MOSTLY CLOUDY. NUMEROUS SHOWERS AND SCATTERED
THUNDERSTORMS. LOWS 46 TO 51. HIGHS 74 TO 79. NORTHWEST WINDS
5 TO 15 MPH.
MONDAY
MOSTLY CLOUDY. SCATTERED SHOWERS AND THUNDERSTORMS.
LOWS 45 TO 50. HIGHS 70 TO 75.
TUESDAY
MOSTLY CLOUDY. NUMEROUS SHOWERS AND SCATTERED
THUNDERSTORMS. HIGHS 66 TO 71.
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