428  
FNUS55 KBYZ 170957  
FWFBYZ  
 
FIRE WEATHER PLANNING FORECAST FOR SCEN AND SERN MONTANA  
NATIONAL WEATHER SERVICE BILLINGS MT  
357 AM MDT THU AUG 17 2017  
 
...RED FLAG WARNING IN EFFECT FROM NOON TODAY TO 9 PM MDT THIS  
EVENING FOR PORTIONS OF SOUTH CENTRAL MONTANA... ALL OF SOUTHEAST  
MONTANA... AND PORTIONS OF NORTHWEST SOUTH DAKOTA...  
   
DISCUSSION
 
 
A PACIFIC FRONT WILL MOVE ACROSS THE FORECAST AREA THIS AFTERNOON  
INTO EARLY THIS EVENING. THIS WILL MAINLY AFFECT ZONES 127-133.  
THE FRONT IS EXPECTED TO BE DRY BUT THERE COULD BE AN ISOLATED  
SHOWER OR THUNDERSTORM ACROSS ZONES 131 AND 133 THIS  
AFTERNOON/EVENING. MIXING WINDS FROM THE WEST AT 10-20 MPH WILL BE  
LIKELY AHEAD OF THE FRONT WITH THE WINDS SHIFTING TO THE  
NORTHWEST GUSTING AROUND 30 MPH BEHIND THE FRONT. TEMPERATURES  
AHEAD OF THE FRONT WILL BE IN THE UPPER 80S WITH AFTERNOON  
HUMIDITIES IN THE TEENS. GIVEN THE ANTICIPATED GUSTY WINDS AND LOW  
HUMIDITIES, WE WILL CONTINUE WITH THE RED FLAG WARNING FOR THIS  
AFTERNOON INTO THIS EVENING. TEMPERATURES FRIDAY WILL ACTUALLY BE  
WARMER THAN TODAY ALONG WITH LOW HUMIDITIES BUT WINDS ARE NOT  
EXPECTED TO BE AS GUSTY. HOOLEY  
 
MTZ123-172215-  
GALLATIN NATIONAL FOREST-  
357 AM MDT THU AUG 17 2017  
   
TODAY
 
 
* SKY/WEATHER...........SUNNY.  
* MAX TEMPERATURE.......73-83 AT 5000 FEET...66-76 AT 7000 FEET.  
* 24 HR TREND.........UNCHANGED.  
* MIN HUMIDITY..........14-23 PERCENT AT 5000 FEET...21-31 PERCENT  
AT 7000 FEET.  
* 24 HR TREND.........1 PERCENT DRIER.  
* WIND (20 FT)  
* SLOPE/VALLEY.........WEST WINDS 5 TO 15 MPH.  
* RIDGETOP.............WEST 10 TO 20 MPH.  
* LAL...................1...NO THUNDERSTORMS.  
* CWR...................ZERO.  
* HAINES INDEX..........3.  
   
TONIGHT
 
 
* SKY/WEATHER...........MOSTLY CLEAR.  
* MIN TEMPERATURE.......45-53 AT 5000 FEET...39-49 AT 7000 FEET.  
* 24 HR TREND.........2 DEGREES COOLER.  
* MAX HUMIDITY..........58-68 PERCENT AT 5000 FEET...63-73 PERCENT  
AT 7000 FEET.  
* 24 HR TREND.........6 PERCENT WETTER.  
* WIND (20 FT)  
* SLOPE/VALLEY.........WEST WINDS 5 TO 10 MPH.  
* RIDGETOP.............WEST 5 TO 15 MPH.  
* LAL...................1...NO THUNDERSTORMS.  
* CWR...................ZERO.  
   
FRIDAY
 
 
* SKY/WEATHER...........SUNNY.  
* MAX TEMPERATURE.......78-88 AT 5000 FEET...70-80 AT 7000 FEET.  
* 24 HR TREND.........6 DEGREES WARMER.  
* MIN HUMIDITY..........14-21 PERCENT AT 5000 FEET...17-24 PERCENT  
AT 7000 FEET.  
* 24 HR TREND.........3 PERCENT DRIER.  
* WIND (20 FT)  
* SLOPE/VALLEY.........SOUTHWEST WINDS 5 TO 15 MPH.  
* RIDGETOP.............SOUTHWEST 10 TO 20 MPH.  
* LAL...................1...NO THUNDERSTORMS.  
* CWR...................ZERO.  
* HAINES INDEX..........4.  
 
   
FORECAST DAYS 3 THROUGH 7...
 
   
FRIDAY NIGHT
 
MOSTLY CLEAR. LOWS 47 TO 56. SOUTHWEST WINDS 5 TO  
15 MPH.    
SATURDAY
 
PARTLY CLOUDY. LOWS 47 TO 56. HIGHS 76 TO 86. WEST  
WINDS 5 TO 15 MPH.    
SUNDAY
 
PARTLY CLOUDY. LOWS 46 TO 55. HIGHS 74 TO 84. WEST  
WINDS 5 TO 10 MPH.    
MONDAY
 
MOSTLY CLEAR. LOWS 46 TO 53. HIGHS 74 TO 83. WEST WINDS  
5 TO 10 MPH.    
TUESDAY
 
MOSTLY CLEAR. LOWS 46 TO 55. HIGHS 76 TO 86.    
WEDNESDAY
 
MOSTLY SUNNY. ISOLATED SHOWERS AND THUNDERSTORMS.  
HIGHS 76 TO 86.  
 

 
 
MTZ124-172215-  
WHEATLAND COUNTY/SWEET GRASS COUNTY-  
357 AM MDT THU AUG 17 2017  
   
TODAY
 
 
* SKY/WEATHER...........SUNNY.  
* MAX TEMPERATURE.......81-86.  
* 24 HR TREND.........2 DEGREES COOLER.  
* MIN HUMIDITY..........17-22 PERCENT.  
* 24 HR TREND.........5 PERCENT WETTER.  
* WIND (20 FT)  
* PLAINS...............NORTHWEST WINDS 10 TO 20 MPH.  
* LAL...................1...NO THUNDERSTORMS.  
* CWR...................ZERO.  
* HAINES INDEX..........3.  
   
TONIGHT
 
 
* SKY/WEATHER...........MOSTLY CLEAR.  
* MIN TEMPERATURE.......46-51.  
* 24 HR TREND.........5 DEGREES COOLER.  
* MAX HUMIDITY..........66-71 PERCENT.  
* 24 HR TREND.........18 PERCENT WETTER.  
* WIND (20 FT)  
* PLAINS...............WEST WINDS 5 TO 15 MPH.  
* LAL...................1...NO THUNDERSTORMS.  
* CWR...................ZERO.  
   
FRIDAY
 
 
* SKY/WEATHER...........SUNNY.  
* MAX TEMPERATURE.......85-90.  
* 24 HR TREND.........4 DEGREES WARMER.  
* MIN HUMIDITY..........16-21 PERCENT.  
* 24 HR TREND.........1 PERCENT DRIER.  
* WIND (20 FT)  
* PLAINS...............WEST WINDS 5 TO 15 MPH.  
* LAL...................1...NO THUNDERSTORMS.  
* CWR...................ZERO.  
* HAINES INDEX..........3.  
 
   
FORECAST DAYS 3 THROUGH 7...
 
   
FRIDAY NIGHT
 
MOSTLY CLEAR. LOWS 51 TO 56. WEST WINDS 5 TO  
15 MPH.    
SATURDAY
 
PARTLY CLOUDY. LOWS 50 TO 55. HIGHS 83 TO 88. WEST  
WINDS 5 TO 10 MPH.    
SUNDAY
 
PARTLY CLOUDY. LOWS 48 TO 53. HIGHS 80 TO 85. NORTH  
WINDS 5 TO 15 MPH.    
MONDAY
 
MOSTLY CLEAR. LOWS 47 TO 52. HIGHS 80 TO 85. SOUTHWEST  
WINDS 5 TO 10 MPH.    
TUESDAY
 
MOSTLY CLEAR. LOWS 49 TO 54. HIGHS 83 TO 88.    
WEDNESDAY
 
SUNNY. HIGHS 83 TO 88.  
 

 
 
MTZ125-172215-  
STILLWATER COUNTY-  
357 AM MDT THU AUG 17 2017  
   
TODAY
 
 
* SKY/WEATHER...........MOSTLY SUNNY.  
* MAX TEMPERATURE.......81-86.  
* 24 HR TREND.........1 DEGREE WARMER.  
* MIN HUMIDITY..........15-20 PERCENT.  
* 24 HR TREND.........5 PERCENT DRIER.  
* WIND (20 FT)  
* PLAINS...............WEST WINDS 10 TO 20 MPH.  
* LAL...................1...NO THUNDERSTORMS.  
* CWR...................ZERO.  
* HAINES INDEX..........3.  
   
TONIGHT
 
 
* SKY/WEATHER...........MOSTLY CLEAR.  
* MIN TEMPERATURE.......52-57.  
* 24 HR TREND.........4 DEGREES COOLER.  
* MAX HUMIDITY..........48-53 PERCENT.  
* 24 HR TREND.........1 PERCENT WETTER.  
* WIND (20 FT)  
* PLAINS...............WEST WINDS 5 TO 15 MPH.  
* LAL...................1...NO THUNDERSTORMS.  
* CWR...................ZERO.  
   
FRIDAY
 
 
* SKY/WEATHER...........SUNNY.  
* MAX TEMPERATURE.......85-90.  
* 24 HR TREND.........4 DEGREES WARMER.  
* MIN HUMIDITY..........14-19 PERCENT.  
* 24 HR TREND.........1 PERCENT DRIER.  
* WIND (20 FT)  
* PLAINS...............SOUTHWEST WINDS 5 TO 15 MPH.  
* LAL...................1...NO THUNDERSTORMS.  
* CWR...................ZERO.  
* HAINES INDEX..........3.  
 
   
FORECAST DAYS 3 THROUGH 7...
 
   
FRIDAY NIGHT
 
MOSTLY CLEAR. LOWS 55 TO 60. SOUTHWEST WINDS 5 TO  
15 MPH.    
SATURDAY
 
PARTLY CLOUDY. LOWS 54 TO 59. HIGHS 84 TO 89.  
SOUTHWEST WINDS 5 TO 15 MPH.    
SUNDAY
 
PARTLY CLOUDY. LOWS 53 TO 58. HIGHS 81 TO 86. NORTHWEST  
WINDS 5 TO 10 MPH.    
MONDAY
 
PARTLY CLOUDY. LOWS 53 TO 58. HIGHS 80 TO 85. NORTH  
WINDS 5 TO 10 MPH.    
TUESDAY
 
MOSTLY CLEAR. LOWS 54 TO 59. HIGHS 83 TO 88.    
WEDNESDAY
 
MOSTLY SUNNY. HIGHS 83 TO 88.  
 

 
 
MTZ126-172215-  
BEARTOOTH RANGER DISTRICT CUSTER NATIONAL FOREST-  
357 AM MDT THU AUG 17 2017  
   
TODAY
 
 
* SKY/WEATHER...........MOSTLY SUNNY.  
* MAX TEMPERATURE.......75-85 AT 5000 FEET...66-76 AT 7000 FEET.  
* 24 HR TREND.........1 DEGREE WARMER.  
* MIN HUMIDITY..........16-23 PERCENT AT 5000 FEET...24-34 PERCENT  
AT 7000 FEET.  
* 24 HR TREND.........5 PERCENT DRIER.  
* WIND (20 FT)  
* SLOPE/VALLEY.........NORTHWEST WINDS 5 TO 15 MPH.  
* RIDGETOP.............WEST 5 TO 15 MPH.  
* LAL...................1...NO THUNDERSTORMS.  
* CWR...................ZERO.  
* HAINES INDEX..........3.  
   
TONIGHT
 
 
* SKY/WEATHER...........MOSTLY CLEAR.  
* MIN TEMPERATURE.......52-57 AT 5000 FEET...41-51 AT 7000 FEET.  
* 24 HR TREND.........3 DEGREES COOLER.  
* MAX HUMIDITY..........43-53 PERCENT AT 5000 FEET...54-64 PERCENT  
AT 7000 FEET.  
* 24 HR TREND.........5 PERCENT DRIER.  
* WIND (20 FT)  
* SLOPE/VALLEY.........NORTHWEST WINDS 5 TO 15 MPH.  
* RIDGETOP.............WEST 10 TO 20 MPH.  
* LAL...................1...NO THUNDERSTORMS.  
* CWR...................ZERO.  
   
FRIDAY
 
 
* SKY/WEATHER...........SUNNY.  
* MAX TEMPERATURE.......78-88 AT 5000 FEET...70-80 AT 7000 FEET.  
* 24 HR TREND.........5 DEGREES WARMER.  
* MIN HUMIDITY..........14-21 PERCENT AT 5000 FEET...21-31 PERCENT  
AT 7000 FEET.  
* 24 HR TREND.........5 PERCENT DRIER.  
* WIND (20 FT)  
* SLOPE/VALLEY.........SOUTHWEST WINDS 5 TO 15 MPH.  
* RIDGETOP.............WEST 10 TO 20 MPH.  
* LAL...................1...NO THUNDERSTORMS.  
* CWR...................ZERO.  
* HAINES INDEX..........3.  
 
   
FORECAST DAYS 3 THROUGH 7...
 
   
FRIDAY NIGHT
 
MOSTLY CLEAR. LOWS 55 TO 60. SOUTHWEST WINDS 5 TO  
15 MPH.    
SATURDAY
 
PARTLY CLOUDY. LOWS 54 TO 60. HIGHS 78 TO 88.  
SOUTHWEST WINDS 5 TO 10 MPH.    
SUNDAY
 
PARTLY CLOUDY. ISOLATED SHOWERS AND THUNDERSTORMS. LOWS  
53 TO 58. HIGHS 75 TO 83. NORTHWEST WINDS 5 TO 10 MPH.    
MONDAY
 
PARTLY CLOUDY. SCATTERED SHOWERS WITH ISOLATED  
THUNDERSTORMS. LOWS 53 TO 58. HIGHS 75 TO 84. NORTHWEST WINDS  
5 TO 10 MPH.    
TUESDAY
 
MOSTLY CLEAR. LOWS 54 TO 60. HIGHS 78 TO 87.    
WEDNESDAY
 
MOSTLY SUNNY. HIGHS 79 TO 87.  
 

 
 
MTZ127-172215-  
GOLDEN VALLEY COUNTY/MUSSELSHELL COUNTY-  
357 AM MDT THU AUG 17 2017  
 
...RED FLAG WARNING IN EFFECT FROM NOON TODAY TO 9 PM MDT THIS  
EVENING...  
   
TODAY
 
 
* SKY/WEATHER...........MOSTLY SUNNY.  
* MAX TEMPERATURE.......79-84.  
* 24 HR TREND.........3 DEGREES COOLER.  
* MIN HUMIDITY..........15-20 PERCENT.  
* 24 HR TREND.........4 PERCENT WETTER.  
* WIND (20 FT)  
* PLAINS...............WEST WINDS 10 TO 20 MPH.  
* LAL...................1...NO THUNDERSTORMS.  
* CWR...................ZERO.  
* HAINES INDEX..........3.  
   
TONIGHT
 
 
* SKY/WEATHER...........MOSTLY CLEAR.  
* MIN TEMPERATURE.......56-61.  
* 24 HR TREND.........5 DEGREES COOLER.  
* MAX HUMIDITY..........45-50 PERCENT.  
* 24 HR TREND.........6 PERCENT WETTER.  
* WIND (20 FT)  
* PLAINS...............NORTHWEST WINDS 5 TO 15 MPH.  
* LAL...................1...NO THUNDERSTORMS.  
* CWR...................ZERO.  
   
FRIDAY
 
 
* SKY/WEATHER...........SUNNY.  
* MAX TEMPERATURE.......84-89.  
* 24 HR TREND.........5 DEGREES WARMER.  
* MIN HUMIDITY..........14-19 PERCENT.  
* 24 HR TREND.........1 PERCENT DRIER.  
* WIND (20 FT)  
* PLAINS...............SOUTHWEST WINDS 5 TO 15 MPH.  
* LAL...................1...NO THUNDERSTORMS.  
* CWR...................ZERO.  
* HAINES INDEX..........3.  
 
   
FORECAST DAYS 3 THROUGH 7...
 
   
FRIDAY NIGHT
 
MOSTLY CLEAR. LOWS 60 TO 65. WEST WINDS 5 TO  
15 MPH.    
SATURDAY
 
PARTLY CLOUDY. LOWS 59 TO 64. HIGHS 82 TO 87.  
NORTHEAST WINDS 5 TO 15 MPH.    
SUNDAY
 
PARTLY CLOUDY. LOWS 56 TO 61. HIGHS 77 TO 82. NORTH  
WINDS 5 TO 15 MPH.    
MONDAY
 
PARTLY CLOUDY. LOWS 55 TO 60. HIGHS 79 TO 84. NORTHEAST  
WINDS 5 TO 15 MPH.    
TUESDAY
 
MOSTLY CLEAR. LOWS 57 TO 62. HIGHS 81 TO 86.    
WEDNESDAY
 
SUNNY. HIGHS 82 TO 87.  
 

 
 
MTZ128-172215-  
YELLOWSTONE COUNTY-  
357 AM MDT THU AUG 17 2017  
 
...RED FLAG WARNING IN EFFECT FROM NOON TODAY TO 9 PM MDT THIS  
EVENING...  
   
TODAY
 
 
* SKY/WEATHER...........MOSTLY SUNNY.  
* MAX TEMPERATURE.......85-90.  
* 24 HR TREND.........2 DEGREES COOLER.  
* MIN HUMIDITY..........14-19 PERCENT.  
* 24 HR TREND.........1 PERCENT DRIER.  
* WIND (20 FT)  
* PLAINS...............WEST WINDS 10 TO 20 MPH.  
* LAL...................1...NO THUNDERSTORMS.  
* CWR...................ZERO.  
* HAINES INDEX..........3.  
   
TONIGHT
 
 
* SKY/WEATHER...........MOSTLY CLEAR.  
* MIN TEMPERATURE.......54-59.  
* 24 HR TREND.........3 DEGREES COOLER.  
* MAX HUMIDITY..........55-60 PERCENT.  
* 24 HR TREND.........1 PERCENT WETTER.  
* WIND (20 FT)  
* PLAINS...............NORTHWEST WINDS 5 TO 15 MPH.  
* LAL...................1...NO THUNDERSTORMS.  
* CWR...................ZERO.  
   
FRIDAY
 
 
* SKY/WEATHER...........SUNNY.  
* MAX TEMPERATURE.......89-94.  
* 24 HR TREND.........4 DEGREES WARMER.  
* MIN HUMIDITY..........14-19 PERCENT.  
* 24 HR TREND.........UNCHANGED.  
* WIND (20 FT)  
* PLAINS...............SOUTHWEST WINDS 5 TO 15 MPH.  
* LAL...................1...NO THUNDERSTORMS.  
* CWR...................ZERO.  
* HAINES INDEX..........3.  
 
   
FORECAST DAYS 3 THROUGH 7...
 
   
FRIDAY NIGHT
 
MOSTLY CLEAR. LOWS 57 TO 62. WEST WINDS 5 TO  
15 MPH.    
SATURDAY
 
PARTLY CLOUDY. LOWS 56 TO 61. HIGHS 86 TO 91.  
NORTHEAST WINDS 5 TO 15 MPH.    
SUNDAY
 
PARTLY CLOUDY. LOWS 56 TO 61. HIGHS 83 TO 88. NORTH  
WINDS 5 TO 10 MPH.    
MONDAY
 
MOSTLY CLEAR. LOWS 56 TO 61. HIGHS 83 TO 88. NORTHEAST  
WINDS 5 TO 10 MPH.    
TUESDAY
 
MOSTLY CLEAR. LOWS 57 TO 62. HIGHS 86 TO 91.    
WEDNESDAY
 
SUNNY. HIGHS 86 TO 91.  
 

 
 
MTZ129-172215-  
CROW INDIAN RESERVATION/BIGHORN CANYON REC AREA-  
357 AM MDT THU AUG 17 2017  
 
...RED FLAG WARNING IN EFFECT FROM NOON TODAY TO 9 PM MDT THIS  
EVENING...  
   
TODAY
 
 
* SKY/WEATHER...........MOSTLY SUNNY.  
* MAX TEMPERATURE.......75-85 AT 5000 FEET...70-77 AT 7000 FEET.  
* 24 HR TREND.........2 DEGREES COOLER.  
* MIN HUMIDITY..........17-26 PERCENT AT 5000 FEET...21-28 PERCENT  
AT 7000 FEET.  
* 24 HR TREND.........4 PERCENT WETTER.  
* WIND (20 FT)  
* SLOPE/VALLEY.........NORTHWEST WINDS 10 TO 20 MPH.  
* RIDGETOP.............WEST 10 TO 20 MPH.  
* LAL...................1...NO THUNDERSTORMS.  
* CWR...................ZERO.  
* HAINES INDEX..........3.  
   
TONIGHT
 
 
* SKY/WEATHER...........MOSTLY CLEAR.  
* MIN TEMPERATURE.......52-58 AT 5000 FEET...49-54 AT 7000 FEET.  
* 24 HR TREND.........6 DEGREES COOLER.  
* MAX HUMIDITY..........50-55 PERCENT.  
* 24 HR TREND.........1 PERCENT WETTER.  
* WIND (20 FT)  
* SLOPE/VALLEY.........NORTHWEST WINDS 5 TO 15 MPH.  
* RIDGETOP.............NORTHWEST 10 TO 20 MPH.  
* LAL...................1...NO THUNDERSTORMS.  
* CWR...................ZERO.  
   
FRIDAY
 
 
* SKY/WEATHER...........SUNNY.  
* MAX TEMPERATURE.......78-88 AT 5000 FEET...73-80 AT 7000 FEET.  
* 24 HR TREND.........4 DEGREES WARMER.  
* MIN HUMIDITY..........15-22 PERCENT AT 5000 FEET...20-25 PERCENT  
AT 7000 FEET.  
* 24 HR TREND.........2 PERCENT DRIER.  
* WIND (20 FT)  
* SLOPE/VALLEY.........SOUTHWEST WINDS 5 TO 15 MPH.  
* RIDGETOP.............WEST 5 TO 15 MPH.  
* LAL...................1...NO THUNDERSTORMS.  
* CWR...................ZERO.  
* HAINES INDEX..........3.  
 
   
FORECAST DAYS 3 THROUGH 7...
 
   
FRIDAY NIGHT
 
CLEAR. LOWS 56 TO 63. SOUTHWEST WINDS 5 TO  
15 MPH.    
SATURDAY
 
PARTLY CLOUDY. LOWS 55 TO 63. HIGHS 78 TO 88. NORTH  
WINDS 5 TO 15 MPH.    
SUNDAY
 
PARTLY CLOUDY. LOWS 53 TO 60. HIGHS 74 TO 84. NORTHEAST  
WINDS 5 TO 15 MPH.    
MONDAY
 
PARTLY CLOUDY. LOWS 53 TO 59. HIGHS 73 TO 83. NORTHEAST  
WINDS 5 TO 15 MPH.    
TUESDAY
 
MOSTLY CLEAR. LOWS 54 TO 61. HIGHS 77 TO 87.    
WEDNESDAY
 
SUNNY. HIGHS 77 TO 87.  
 

 
 
MTZ130-172215-  
NORTHERN ROSEBUD/NORTHERN TREASURE COUNTIES-  
357 AM MDT THU AUG 17 2017  
 
...RED FLAG WARNING IN EFFECT FROM NOON TODAY TO 9 PM MDT THIS  
EVENING...  
   
TODAY
 
 
* SKY/WEATHER...........MOSTLY SUNNY.  
* MAX TEMPERATURE.......86-91.  
* 24 HR TREND.........1 DEGREE COOLER.  
* MIN HUMIDITY..........15-20 PERCENT.  
* 24 HR TREND.........3 PERCENT WETTER.  
* WIND (20 FT)  
* PLAINS...............WEST WINDS 10 TO 20 MPH.  
* LAL...................1...NO THUNDERSTORMS.  
* CWR...................ZERO.  
* HAINES INDEX..........3.  
   
TONIGHT
 
 
* SKY/WEATHER...........MOSTLY CLEAR.  
* MIN TEMPERATURE.......54-59.  
* 24 HR TREND.........4 DEGREES COOLER.  
* MAX HUMIDITY..........60-65 PERCENT.  
* 24 HR TREND.........4 PERCENT WETTER.  
* WIND (20 FT)  
* PLAINS...............NORTHWEST WINDS 5 TO 15 MPH.  
* LAL...................1...NO THUNDERSTORMS.  
* CWR...................ZERO.  
   
FRIDAY
 
 
* SKY/WEATHER...........SUNNY.  
* MAX TEMPERATURE.......88-93.  
* 24 HR TREND.........2 DEGREES WARMER.  
* MIN HUMIDITY..........14-19 PERCENT.  
* 24 HR TREND.........1 PERCENT DRIER.  
* WIND (20 FT)  
* PLAINS...............SOUTHWEST WINDS 5 TO 15 MPH.  
* LAL...................1...NO THUNDERSTORMS.  
* CWR...................ZERO.  
* HAINES INDEX..........2.  
 
   
FORECAST DAYS 3 THROUGH 7...
 
   
FRIDAY NIGHT
 
CLEAR. LOWS 59 TO 64. SOUTHWEST WINDS 5 TO  
10 MPH.    
SATURDAY
 
MOSTLY CLEAR. LOWS 58 TO 63. HIGHS 87 TO 92. NORTH  
WINDS 5 TO 15 MPH.    
SUNDAY
 
MOSTLY CLEAR. LOWS 57 TO 62. HIGHS 83 TO 88. NORTHEAST  
WINDS 5 TO 10 MPH.    
MONDAY
 
PARTLY CLOUDY. LOWS 56 TO 61. HIGHS 84 TO 89. NORTHEAST  
WINDS 5 TO 10 MPH.    
TUESDAY
 
MOSTLY CLEAR. LOWS 57 TO 62. HIGHS 87 TO 92.    
WEDNESDAY
 
SUNNY. HIGHS 87 TO 92.  
 

 
 
MTZ131-172215-  
NORTHERN CHEYENNE INDIAN RESERVATION/ASHLAND RANGER DISTRICT  
CUSTER NATL FOREST-  
357 AM MDT THU AUG 17 2017  
 
...RED FLAG WARNING IN EFFECT FROM NOON TODAY TO 9 PM MDT THIS  
EVENING...  
   
TODAY
 
 
* SKY/WEATHER...........MOSTLY SUNNY.  
* MAX TEMPERATURE.......84-89.  
* 24 HR TREND.........UNCHANGED.  
* MIN HUMIDITY..........15-20 PERCENT.  
* 24 HR TREND.........UNCHANGED.  
* WIND (20 FT)  
* SLOPE/VALLEY.........WEST WINDS 10 TO 20 MPH.  
* RIDGETOP.............NORTHWEST 10 TO 20 MPH.  
* LAL...................1...NO THUNDERSTORMS.  
* CWR...................ZERO.  
* HAINES INDEX..........4.  
   
TONIGHT
 
 
* SKY/WEATHER...........MOSTLY CLEAR.  
* MIN TEMPERATURE.......50-55.  
* 24 HR TREND.........5 DEGREES COOLER.  
* MAX HUMIDITY..........64-69 PERCENT.  
* 24 HR TREND.........3 PERCENT WETTER.  
* WIND (20 FT)  
* SLOPE/VALLEY.........NORTHWEST WINDS 5 TO 15 MPH.  
* RIDGETOP.............NORTHWEST 10 TO 20 MPH.  
* LAL...................1...NO THUNDERSTORMS.  
* CWR...................ZERO.  
   
FRIDAY
 
 
* SKY/WEATHER...........SUNNY.  
* MAX TEMPERATURE.......88-93.  
* 24 HR TREND.........4 DEGREES WARMER.  
* MIN HUMIDITY..........12-17 PERCENT.  
* 24 HR TREND.........3 PERCENT DRIER.  
* WIND (20 FT)  
* SLOPE/VALLEY.........SOUTHWEST WINDS 5 TO 10 MPH.  
* RIDGETOP.............WEST 5 TO 10 MPH.  
* LAL...................1...NO THUNDERSTORMS.  
* CWR...................ZERO.  
* HAINES INDEX..........3.  
 
   
FORECAST DAYS 3 THROUGH 7...
 
   
FRIDAY NIGHT
 
CLEAR. LOWS 54 TO 59. SOUTH WINDS 5 TO 10 MPH.    
SATURDAY
 
PARTLY CLOUDY. LOWS 55 TO 60. HIGHS 88 TO 93. NORTH  
WINDS 5 TO 10 MPH.    
SUNDAY
 
PARTLY CLOUDY. LOWS 55 TO 60. HIGHS 86 TO 91. NORTH  
WINDS 5 TO 10 MPH.    
MONDAY
 
PARTLY CLOUDY. LOWS 53 TO 58. HIGHS 83 TO 88. NORTHEAST  
WINDS 5 TO 10 MPH.    
TUESDAY
 
MOSTLY CLEAR. LOWS 54 TO 59. HIGHS 86 TO 91.    
WEDNESDAY
 
SUNNY. HIGHS 86 TO 91.  
 

 
 
MTZ132-172215-  
CUSTER COUNTY-  
357 AM MDT THU AUG 17 2017  
 
...RED FLAG WARNING IN EFFECT FROM NOON TODAY TO 9 PM MDT THIS  
EVENING...  
   
TODAY
 
 
* SKY/WEATHER...........MOSTLY SUNNY.  
* MAX TEMPERATURE.......84-89.  
* 24 HR TREND.........1 DEGREE WARMER.  
* MIN HUMIDITY..........14-19 PERCENT.  
* 24 HR TREND.........3 PERCENT DRIER.  
* WIND (20 FT)  
* PLAINS...............WEST WINDS 10 TO 20 MPH.  
* LAL...................1...NO THUNDERSTORMS.  
* CWR...................ZERO.  
* HAINES INDEX..........3.  
   
TONIGHT
 
 
* SKY/WEATHER...........MOSTLY CLEAR.  
* MIN TEMPERATURE.......53-58.  
* 24 HR TREND.........4 DEGREES COOLER.  
* MAX HUMIDITY..........62-67 PERCENT.  
* 24 HR TREND.........7 PERCENT WETTER.  
* WIND (20 FT)  
* PLAINS...............NORTHWEST WINDS 5 TO 15 MPH.  
* LAL...................1...NO THUNDERSTORMS.  
* CWR...................ZERO.  
   
FRIDAY
 
 
* SKY/WEATHER...........SUNNY.  
* MAX TEMPERATURE.......85-90.  
* 24 HR TREND.........1 DEGREE WARMER.  
* MIN HUMIDITY..........16-21 PERCENT.  
* 24 HR TREND.........2 PERCENT WETTER.  
* WIND (20 FT)  
* PLAINS...............WEST WINDS 5 TO 10 MPH.  
* LAL...................1...NO THUNDERSTORMS.  
* CWR...................ZERO.  
* HAINES INDEX..........2.  
 
   
FORECAST DAYS 3 THROUGH 7...
 
   
FRIDAY NIGHT
 
CLEAR. LOWS 58 TO 63. SOUTH WINDS 5 TO 15 MPH.    
SATURDAY
 
MOSTLY CLEAR. LOWS 58 TO 63. HIGHS 86 TO 91.  
NORTHWEST WINDS 10 TO 20 MPH.    
SUNDAY
 
PARTLY CLOUDY. LOWS 57 TO 62. HIGHS 82 TO 87. EAST  
WINDS 5 TO 15 MPH.    
MONDAY
 
PARTLY CLOUDY. LOWS 56 TO 61. HIGHS 80 TO 85. NORTHEAST  
WINDS 5 TO 15 MPH.    
TUESDAY
 
MOSTLY CLEAR. LOWS 57 TO 62. HIGHS 84 TO 89.    
WEDNESDAY
 
SUNNY. HIGHS 84 TO 89.  
 

 
 
MTZ133-172215-  
SIOUX RANGER DISTRICT CUSTER NATIONAL FOREST-  
357 AM MDT THU AUG 17 2017  
 
...RED FLAG WARNING IN EFFECT FROM NOON TODAY TO 9 PM MDT THIS  
EVENING...  
   
TODAY
 
 
* SKY/WEATHER...........MOSTLY SUNNY. ISOLATED RAIN SHOWERS AND  
THUNDERSTORMS IN THE AFTERNOON.  
* MAX TEMPERATURE.......85-90.  
* 24 HR TREND.........8 DEGREES WARMER.  
* MIN HUMIDITY..........16-21 PERCENT.  
* 24 HR TREND.........14 PERCENT DRIER.  
* WIND (20 FT)  
* PLAINS...............SOUTHWEST WINDS 5 TO 15 MPH.  
* LAL...................2...1 TO 8 STRIKES/15 MIN/CELL.  
* CWR...................10 PERCENT.  
* HAINES INDEX..........3.  
   
TONIGHT
 
 
* SKY/WEATHER...........MOSTLY CLEAR.  
* MIN TEMPERATURE.......52-57.  
* 24 HR TREND.........2 DEGREES COOLER.  
* MAX HUMIDITY..........69-74 PERCENT.  
* 24 HR TREND.........2 PERCENT WETTER.  
* WIND (20 FT)  
* PLAINS...............NORTHWEST WINDS 5 TO 15 MPH.  
* LAL...................1...NO THUNDERSTORMS.  
* CWR...................ZERO.  
   
FRIDAY
 
 
* SKY/WEATHER...........SUNNY.  
* MAX TEMPERATURE.......85-90.  
* 24 HR TREND.........UNCHANGED.  
* MIN HUMIDITY..........18-23 PERCENT.  
* 24 HR TREND.........2 PERCENT WETTER.  
* WIND (20 FT)  
* PLAINS...............NORTHWEST WINDS 5 TO 15 MPH.  
* LAL...................1...NO THUNDERSTORMS.  
* CWR...................ZERO.  
* HAINES INDEX..........2.  
 
   
FORECAST DAYS 3 THROUGH 7...
 
   
FRIDAY NIGHT
 
CLEAR. LOWS 55 TO 60. SOUTHEAST WINDS 5 TO  
15 MPH.    
SATURDAY
 
PARTLY CLOUDY. LOWS 56 TO 61. HIGHS 88 TO 93.  
NORTHWEST WINDS 5 TO 15 MPH.    
SUNDAY
 
PARTLY CLOUDY. ISOLATED SHOWERS AND THUNDERSTORMS. LOWS  
56 TO 61. HIGHS 83 TO 88. EAST WINDS 5 TO 15 MPH.    
MONDAY
 
PARTLY CLOUDY. LOWS 54 TO 59. HIGHS 82 TO 87. NORTHEAST  
WINDS 5 TO 15 MPH.    
TUESDAY
 
MOSTLY CLEAR. LOWS 54 TO 59. HIGHS 83 TO 88.    
WEDNESDAY
 
SUNNY. HIGHS 83 TO 88.  
 

 
 
WYZ274-172215-  
SHERIDAN COUNTY-  
357 AM MDT THU AUG 17 2017  
   
TODAY
 
 
* SKY/WEATHER...........MOSTLY SUNNY.  
* MAX TEMPERATURE.......83-88.  
* 24 HR TREND.........1 DEGREE WARMER.  
* MIN HUMIDITY..........20-25 PERCENT.  
* 24 HR TREND.........3 PERCENT WETTER.  
* WIND (20 FT)  
* SLOPE/VALLEY.........NORTHWEST WINDS 5 TO 15 MPH.  
* RIDGETOP.............NORTHWEST 5 TO 15 MPH.  
* LAL...................1...NO THUNDERSTORMS.  
* CWR...................ZERO.  
* HAINES INDEX..........3.  
   
TONIGHT
 
 
* SKY/WEATHER...........MOSTLY CLEAR.  
* MIN TEMPERATURE.......48-53.  
* 24 HR TREND.........5 DEGREES COOLER.  
* MAX HUMIDITY..........66-71 PERCENT.  
* 24 HR TREND.........UNCHANGED.  
* WIND (20 FT)  
* SLOPE/VALLEY.........WEST WINDS 5 TO 15 MPH.  
* RIDGETOP.............NORTHWEST 5 TO 15 MPH.  
* LAL...................1...NO THUNDERSTORMS.  
* CWR...................ZERO.  
   
FRIDAY
 
 
* SKY/WEATHER...........SUNNY.  
* MAX TEMPERATURE.......88-93.  
* 24 HR TREND.........5 DEGREES WARMER.  
* MIN HUMIDITY..........18-23 PERCENT.  
* 24 HR TREND.........2 PERCENT DRIER.  
* WIND (20 FT)  
* SLOPE/VALLEY.........SOUTHWEST WINDS 5 TO 10 MPH IN THE  
MORNING...BECOMING EAST IN THE AFTERNOON.  
* RIDGETOP.............WEST 5 TO 10 MPH.  
* LAL...................1...NO THUNDERSTORMS.  
* CWR...................ZERO.  
* HAINES INDEX..........3.  
 
   
FORECAST DAYS 3 THROUGH 7...
 
   
FRIDAY NIGHT
 
CLEAR. LOWS 50 TO 55. SOUTH WINDS 5 TO 10 MPH.    
SATURDAY
 
MOSTLY CLEAR. LOWS 51 TO 56. HIGHS 87 TO 92.  
SOUTHWEST WINDS 5 TO 10 MPH.    
SUNDAY
 
PARTLY CLOUDY. LOWS 51 TO 56. HIGHS 85 TO 90. NORTHWEST  
WINDS 5 TO 10 MPH.    
MONDAY
 
PARTLY CLOUDY. LOWS 50 TO 55. HIGHS 83 TO 88. NORTHEAST  
WINDS 5 TO 10 MPH.    
TUESDAY
 
MOSTLY CLEAR. LOWS 51 TO 56. HIGHS 85 TO 90.    
WEDNESDAY
 
SUNNY. HIGHS 85 TO 90.  
 

 
 
WYZ284-172215-  
BIGHORN NATIONAL FOREST-  
357 AM MDT THU AUG 17 2017  
   
TODAY
 
 
* SKY/WEATHER...........MOSTLY SUNNY.  
* MAX TEMPERATURE.......64-69.  
* 24 HR TREND.........2 DEGREES WARMER.  
* MIN HUMIDITY..........31-36 PERCENT.  
* 24 HR TREND.........5 PERCENT WETTER.  
* WIND (20 FT)  
* AT BURGESS JCT.......WEST WINDS 5 TO 15 MPH.  
* LAL...................1...NO THUNDERSTORMS.  
* CWR...................ZERO.  
* HAINES INDEX..........3.  
   
TONIGHT
 
 
* SKY/WEATHER...........MOSTLY CLEAR.  
* MIN TEMPERATURE.......40-45.  
* 24 HR TREND.........5 DEGREES COOLER.  
* MAX HUMIDITY..........68-73 PERCENT.  
* 24 HR TREND.........4 PERCENT DRIER.  
* WIND (20 FT)  
* AT BURGESS JCT.......NORTHWEST WINDS 5 TO 15 MPH.  
* LAL...................1...NO THUNDERSTORMS.  
* CWR...................ZERO.  
   
FRIDAY
 
 
* SKY/WEATHER...........SUNNY.  
* MAX TEMPERATURE.......68-73.  
* 24 HR TREND.........4 DEGREES WARMER.  
* MIN HUMIDITY..........24-29 PERCENT.  
* 24 HR TREND.........7 PERCENT DRIER.  
* WIND (20 FT)  
* AT BURGESS JCT.......WEST WINDS 5 TO 15 MPH.  
* LAL...................1...NO THUNDERSTORMS.  
* CWR...................ZERO.  
* HAINES INDEX..........3.  
 
   
FORECAST DAYS 3 THROUGH 7...
 
   
FRIDAY NIGHT
 
CLEAR. LOWS 43 TO 48. SOUTHWEST WINDS 5 TO  
15 MPH.    
SATURDAY
 
MOSTLY CLEAR. LOWS 42 TO 47. HIGHS 69 TO 74. WEST  
WINDS 5 TO 10 MPH.    
SUNDAY
 
PARTLY CLOUDY. ISOLATED SHOWERS AND THUNDERSTORMS. LOWS  
41 TO 46. HIGHS 67 TO 72. WEST WINDS 5 TO 15 MPH.    
MONDAY
 
PARTLY CLOUDY. ISOLATED SHOWERS AND THUNDERSTORMS. LOWS  
42 TO 47. HIGHS 65 TO 70. WEST WINDS 5 TO 10 MPH.    
TUESDAY
 
PARTLY CLOUDY. ISOLATED SHOWERS AND THUNDERSTORMS.  
LOWS 43 TO 48. HIGHS 68 TO 73.    
WEDNESDAY
 
MOSTLY SUNNY. SCATTERED SHOWERS WITH ISOLATED  
THUNDERSTORMS. HIGHS 67 TO 72.  
 

 
 
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