603  
FNUS55 KBYZ 251317  
FWFBYZ  
 
FIRE WEATHER PLANNING FORECAST FOR SCEN AND SERN MONTANA  
NATIONAL WEATHER SERVICE BILLINGS MT  
717 AM MDT TUE APR 25 2017  
   
DISCUSSION
 
 
STORM SYSTEM IMPACTING EXTREME SOUTHERN MONTANA AND SHERIDAN  
COUNTY AND THE BIG HORN MOUNTAINS WILL SHIFT EASTWARD TODAY  
CAUSING HEAVIEST PRECIPITATION TO END. WEDNESDAY SEES ANOTHER  
WARMER CONDITIONS WITH AFTERNOON SHOWERS BEFORE ANOTHER UNSETTLED  
PERIOD OF WEATHER ARRIVES FOR THURSDAY THROUGH SATURDAY WITH  
EASTERLY LOW LEVEL FLOW DOMINATING. THIS WILL KEEP HUMIDITY HIGH  
AND TEMPERATURES UNSEASONABLY COOL WITH PERIODS OF RAIN OR  
MOUNTAIN SNOW. THE LONGER TERM TRENDS ARE FOR SLIGHTLY DRIER  
WEATHER BUT CONTINUED COOL NEXT WEEK. BORSUM  
MTZ123-252215-  
GALLATIN NATIONAL FOREST-  
717 AM MDT TUE APR 25 2017  
   
TODAY
 
 
* SKY/WEATHER...........CLOUDY WITH SNOW LIKELY. RAIN LIKELY IN THE  
MORNING...THEN NUMEROUS RAIN SHOWERS WITH ISOLATED THUNDERSTORMS  
IN THE AFTERNOON.  
* MAX TEMPERATURE.......39-49 AT 5000 FEET...33-43 AT 7000 FEET.  
* 24 HR TREND.........6 DEGREES COOLER.  
* MIN HUMIDITY..........56-66 PERCENT AT 5000 FEET...64-74 PERCENT  
AT 7000 FEET.  
* 24 HR TREND.........17 PERCENT WETTER.  
* WIND (20 FT)  
* SLOPE/VALLEY.........EAST WINDS 5 TO 15 MPH IN THE  
MORNING...BECOMING SOUTH IN THE AFTERNOON.  
* RIDGETOP.............NORTH 5 TO 10 MPH.  
* LAL...................2...1 TO 8 STRIKES/15 MIN/CELL.  
* CWR...................60 PERCENT.  
* HAINES INDEX..........3.  
   
TONIGHT
 
 
* SKY/WEATHER...........MOSTLY CLOUDY. SCATTERED RAIN SHOWERS, SNOW  
SHOWERS WITH ISOLATED THUNDERSTORMS IN THE EVENING...THEN  
ISOLATED SNOW SHOWERS OVERNIGHT.  
* MIN TEMPERATURE.......27-32 AT 5000 FEET...18-28 AT 7000 FEET.  
* 24 HR TREND.........5 DEGREES COOLER.  
* MAX HUMIDITY..........87-97 PERCENT AT 5000 FEET...89-99 PERCENT  
AT 7000 FEET.  
* 24 HR TREND.........1 PERCENT WETTER.  
* WIND (20 FT)  
* SLOPE/VALLEY.........SOUTHWEST WINDS 5 TO 10 MPH.  
* RIDGETOP.............NORTHWEST 10 TO 20 MPH.  
* LAL...................2...1 TO 8 STRIKES/15 MIN/CELL.  
* CWR...................20 PERCENT.  
   
WEDNESDAY
 
 
* SKY/WEATHER...........MOSTLY CLOUDY. ISOLATED RAIN AND SNOW  
SHOWERS IN THE MORNING...THEN NUMEROUS RAIN SHOWERS WITH ISOLATED  
THUNDERSTORMS IN THE AFTERNOON.  
* MAX TEMPERATURE.......43-53 AT 5000 FEET...36-46 AT 7000 FEET.  
* 24 HR TREND.........6 DEGREES WARMER.  
* MIN HUMIDITY..........45-55 PERCENT AT 5000 FEET...53-63 PERCENT  
AT 7000 FEET.  
* 24 HR TREND.........16 PERCENT DRIER.  
* WIND (20 FT)  
* SLOPE/VALLEY.........SOUTHWEST WINDS 5 TO 15 MPH.  
* RIDGETOP.............SOUTHWEST 10 TO 20 MPH.  
* LAL...................2...1 TO 8 STRIKES/15 MIN/CELL.  
* CWR...................40 PERCENT.  
* HAINES INDEX..........3.  
 
   
FORECAST DAYS 3 THROUGH 7...
 
   
WEDNESDAY NIGHT
 
CLOUDY. NUMEROUS SHOWERS, SNOW SHOWERS WITH  
ISOLATED THUNDERSTORMS. LOWS 27 TO 35. SOUTHWEST WINDS 5 TO  
15 MPH.    
THURSDAY
 
CLOUDY. NUMEROUS SNOW AND RAIN SHOWERS. LOWS 25 TO  
35. HIGHS 37 TO 47. WEST WINDS 10 TO 20 MPH WITH GUSTS TO AROUND  
35 MPH.    
FRIDAY
 
CLOUDY. SCATTERED SNOW AND RAIN SHOWERS. LOWS 25 TO 31.  
HIGHS 36 TO 46. NORTHWEST WINDS 5 TO 15 MPH.    
SATURDAY
 
PARTLY CLOUDY. ISOLATED RAIN AND SNOW SHOWERS. LOWS  
25 TO 31. HIGHS 41 TO 51. WEST WINDS 5 TO 15 MPH.    
SUNDAY
 
MOSTLY CLOUDY. SCATTERED RAIN AND SNOW SHOWERS. LOWS  
26 TO 35. HIGHS 45 TO 55.    
MONDAY
 
MOSTLY CLOUDY. SCATTERED RAIN AND SNOW SHOWERS. HIGHS  
45 TO 55.  
 

 
 
MTZ124-252215-  
WHEATLAND COUNTY/SWEET GRASS COUNTY-  
717 AM MDT TUE APR 25 2017  
   
TODAY
 
 
* SKY/WEATHER...........CLOUDY. SCATTERED SNOW AND RAIN SHOWERS IN  
THE MORNING...THEN SCATTERED RAIN SHOWERS WITH ISOLATED  
THUNDERSTORMS IN THE AFTERNOON.  
* MAX TEMPERATURE.......41-46.  
* 24 HR TREND.........10 DEGREES COOLER.  
* MIN HUMIDITY..........64-69 PERCENT.  
* 24 HR TREND.........28 PERCENT WETTER.  
* WIND (20 FT)  
* PLAINS...............SOUTHEAST WINDS 5 TO 15 MPH.  
* LAL...................2...1 TO 8 STRIKES/15 MIN/CELL.  
* CWR...................40 PERCENT.  
* HAINES INDEX..........3.  
   
TONIGHT
 
 
* SKY/WEATHER...........MOSTLY CLOUDY. SCATTERED RAIN SHOWERS, SNOW  
SHOWERS WITH ISOLATED THUNDERSTORMS IN THE EVENING...THEN  
ISOLATED SNOW SHOWERS OVERNIGHT.  
* MIN TEMPERATURE.......27-32.  
* 24 HR TREND.........4 DEGREES COOLER.  
* MAX HUMIDITY..........93-98 PERCENT.  
* 24 HR TREND.........2 PERCENT DRIER.  
* WIND (20 FT)  
* PLAINS...............SOUTH WINDS 5 TO 15 MPH.  
* LAL...................2...1 TO 8 STRIKES/15 MIN/CELL.  
* CWR...................20 PERCENT.  
   
WEDNESDAY
 
 
* SKY/WEATHER...........MOSTLY CLOUDY. ISOLATED RAIN AND SNOW  
SHOWERS IN THE MORNING...THEN NUMEROUS RAIN SHOWERS WITH ISOLATED  
THUNDERSTORMS IN THE AFTERNOON.  
* MAX TEMPERATURE.......50-55.  
* 24 HR TREND.........9 DEGREES WARMER.  
* MIN HUMIDITY..........45-50 PERCENT.  
* 24 HR TREND.........19 PERCENT DRIER.  
* WIND (20 FT)  
* PLAINS...............SOUTHWEST WINDS 5 TO 15 MPH.  
* LAL...................2...1 TO 8 STRIKES/15 MIN/CELL.  
* CWR...................30 PERCENT.  
* HAINES INDEX..........3.  
 
   
FORECAST DAYS 3 THROUGH 7...
 
   
WEDNESDAY NIGHT
 
MOSTLY CLOUDY. NUMEROUS SHOWERS, SNOW SHOWERS  
WITH ISOLATED THUNDERSTORMS. LOWS 31 TO 36. SOUTH WINDS 5 TO  
15 MPH.    
THURSDAY
 
CLOUDY. NUMEROUS RAIN AND SNOW SHOWERS. LOWS 29 TO  
34. HIGHS 43 TO 48. WEST WINDS 10 TO 20 MPH WITH GUSTS TO AROUND  
30 MPH.    
FRIDAY
 
MOSTLY CLOUDY. SCATTERED RAIN AND SNOW SHOWERS. LOWS  
26 TO 31. HIGHS 41 TO 46. NORTHWEST WINDS 5 TO 15 MPH.    
SATURDAY
 
PARTLY CLOUDY. ISOLATED RAIN AND SNOW SHOWERS. LOWS  
27 TO 32. HIGHS 48 TO 53. WEST WINDS 5 TO 15 MPH.    
SUNDAY
 
MOSTLY CLOUDY. SCATTERED SHOWERS WITH ISOLATED SNOW  
SHOWERS. LOWS 29 TO 34. HIGHS 54 TO 59.    
MONDAY
 
MOSTLY CLOUDY. SCATTERED SHOWERS. HIGHS 53 TO 58.  
 

 
 
MTZ125-252215-  
STILLWATER COUNTY-  
717 AM MDT TUE APR 25 2017  
   
TODAY
 
 
* SKY/WEATHER...........CLOUDY. SNOW AND RAIN IN THE MORNING...THEN  
SCATTERED RAIN AND SNOW SHOWERS IN THE AFTERNOON.  
* MAX TEMPERATURE.......39-44.  
* 24 HR TREND.........11 DEGREES COOLER.  
* MIN HUMIDITY..........65-70 PERCENT.  
* 24 HR TREND.........13 PERCENT WETTER.  
* WIND (20 FT)  
* PLAINS...............EAST WINDS 5 TO 10 MPH.  
* LAL...................1...NO THUNDERSTORMS.  
* CWR...................70 PERCENT.  
* HAINES INDEX..........2.  
   
TONIGHT
 
 
* SKY/WEATHER...........SCATTERED RAIN SHOWERS IN THE EVENING.  
MOSTLY CLOUDY WITH SCATTERED SNOW SHOWERS.  
* MIN TEMPERATURE.......31-36.  
* 24 HR TREND.........2 DEGREES COOLER.  
* MAX HUMIDITY..........84-89 PERCENT.  
* 24 HR TREND.........8 PERCENT DRIER.  
* WIND (20 FT)  
* PLAINS...............SOUTH WINDS 5 TO 10 MPH.  
* LAL...................1...NO THUNDERSTORMS.  
* CWR...................20 PERCENT.  
   
WEDNESDAY
 
 
* SKY/WEATHER...........MOSTLY CLOUDY. SCATTERED RAIN  
SHOWERS...MAINLY IN THE AFTERNOON.  
* MAX TEMPERATURE.......51-56.  
* 24 HR TREND.........12 DEGREES WARMER.  
* MIN HUMIDITY..........42-47 PERCENT.  
* 24 HR TREND.........23 PERCENT DRIER.  
* WIND (20 FT)  
* PLAINS...............SOUTH WINDS 5 TO 15 MPH.  
* LAL...................1...NO THUNDERSTORMS.  
* CWR...................20 PERCENT.  
* HAINES INDEX..........3.  
 
   
FORECAST DAYS 3 THROUGH 7...
 
   
WEDNESDAY NIGHT
 
CLOUDY. NUMEROUS RAIN AND SNOW SHOWERS. LOWS  
33 TO 38. WEST WINDS 5 TO 10 MPH.    
THURSDAY
 
CLOUDY. NUMEROUS SHOWERS AND SCATTERED SNOW SHOWERS.  
LOWS 31 TO 36. HIGHS 44 TO 49. WEST WINDS 10 TO 20 MPH WITH GUSTS  
TO AROUND 35 MPH.    
FRIDAY
 
CLOUDY. SCATTERED RAIN AND SNOW SHOWERS. LOWS 29 TO 34.  
HIGHS 41 TO 46. NORTH WINDS 5 TO 15 MPH.    
SATURDAY
 
MOSTLY CLOUDY. ISOLATED RAIN AND SNOW SHOWERS. LOWS  
29 TO 34. HIGHS 47 TO 52. NORTHWEST WINDS 5 TO 15 MPH.    
SUNDAY
 
MOSTLY CLOUDY. SCATTERED RAIN AND SNOW SHOWERS. LOWS  
32 TO 37. HIGHS 54 TO 59.    
MONDAY
 
MOSTLY CLOUDY. SCATTERED SHOWERS. HIGHS 53 TO 58.  
 

 
 
MTZ126-252215-  
BEARTOOTH RANGER DISTRICT CUSTER NATIONAL FOREST-  
717 AM MDT TUE APR 25 2017  
   
TODAY
 
 
* SKY/WEATHER...........CLOUDY. SNOW IN THE MORNING...THEN  
SCATTERED SNOW AND RAIN SHOWERS IN THE AFTERNOON.  
* MAX TEMPERATURE.......35-45 AT 5000 FEET...29-39 AT 7000 FEET.  
* 24 HR TREND.........5 DEGREES COOLER.  
* MIN HUMIDITY..........54-64 PERCENT AT 5000 FEET...59-69 PERCENT  
AT 7000 FEET.  
* 24 HR TREND.........3 PERCENT DRIER.  
* WIND (20 FT)  
* SLOPE/VALLEY.........NORTH WINDS 5 TO 15 MPH.  
* RIDGETOP.............NORTH 10 TO 20 MPH.  
* LAL...................1...NO THUNDERSTORMS.  
* CWR...................90 PERCENT.  
* HAINES INDEX..........2.  
   
TONIGHT
 
 
* SKY/WEATHER...........MOSTLY CLOUDY WITH SCATTERED SNOW SHOWERS.  
* MIN TEMPERATURE.......29-34 AT 5000 FEET...21-31 AT 7000 FEET.  
* 24 HR TREND.........1 DEGREE COOLER.  
* MAX HUMIDITY..........84-94 PERCENT AT 5000 FEET...87-97 PERCENT  
AT 7000 FEET.  
* 24 HR TREND.........7 PERCENT DRIER.  
* WIND (20 FT)  
* SLOPE/VALLEY.........SOUTHWEST WINDS 5 TO 10 MPH.  
* RIDGETOP.............NORTHWEST 15 TO 25 MPH.  
* LAL...................1...NO THUNDERSTORMS.  
* CWR...................30 PERCENT.  
   
WEDNESDAY
 
 
* SKY/WEATHER...........MOSTLY CLOUDY. SCATTERED SNOW SHOWERS IN  
THE MORNING...THEN NUMEROUS RAIN AND SNOW SHOWERS IN THE  
AFTERNOON.  
* MAX TEMPERATURE.......47-57 AT 5000 FEET...39-49 AT 7000 FEET.  
* 24 HR TREND.........8 DEGREES WARMER.  
* MIN HUMIDITY..........40-50 PERCENT AT 5000 FEET...51-61 PERCENT  
AT 7000 FEET.  
* 24 HR TREND.........12 PERCENT DRIER.  
* WIND (20 FT)  
* SLOPE/VALLEY.........SOUTHWEST WINDS 5 TO 10 MPH.  
* RIDGETOP.............WEST 10 TO 20 MPH.  
* LAL...................1...NO THUNDERSTORMS.  
* CWR...................30 PERCENT.  
* HAINES INDEX..........3.  
 
   
FORECAST DAYS 3 THROUGH 7...
 
   
WEDNESDAY NIGHT
 
CLOUDY. NUMEROUS SNOW AND RAIN SHOWERS. LOWS  
32 TO 37. WEST WINDS 5 TO 10 MPH.    
THURSDAY
 
CLOUDY. NUMEROUS SNOW SHOWERS. LOWS 28 TO 37. HIGHS  
39 TO 47. NORTHWEST WINDS 10 TO 20 MPH WITH GUSTS TO AROUND  
30 MPH.    
FRIDAY
 
CLOUDY. SCATTERED SNOW SHOWERS. LOWS 27 TO 34. HIGHS  
35 TO 43. NORTH WINDS 5 TO 15 MPH.    
SATURDAY
 
PARTLY CLOUDY. ISOLATED SNOW SHOWERS. LOWS 26 TO 33.  
HIGHS 39 TO 49. NORTH WINDS 5 TO 15 MPH.    
SUNDAY
 
MOSTLY CLOUDY. SCATTERED RAIN AND SNOW SHOWERS. LOWS  
27 TO 37. HIGHS 47 TO 56.    
MONDAY
 
MOSTLY CLOUDY. SCATTERED SNOW AND RAIN SHOWERS. HIGHS  
46 TO 56.  
 

 
 
MTZ127-252215-  
GOLDEN VALLEY COUNTY/MUSSELSHELL COUNTY-  
717 AM MDT TUE APR 25 2017  
   
TODAY
 
 
* SKY/WEATHER...........CLOUDY WITH SCATTERED SNOW SHOWERS.  
ISOLATED RAIN SHOWERS IN THE AFTERNOON.  
* MAX TEMPERATURE.......37-42.  
* 24 HR TREND.........13 DEGREES COOLER.  
* MIN HUMIDITY..........56-61 PERCENT.  
* 24 HR TREND.........2 PERCENT WETTER.  
* WIND (20 FT)  
* PLAINS...............NORTHEAST WINDS 5 TO 15 MPH.  
* LAL...................1...NO THUNDERSTORMS.  
* CWR...................20 PERCENT.  
* HAINES INDEX..........2.  
   
TONIGHT
 
 
* SKY/WEATHER...........MOSTLY CLOUDY. SCATTERED SNOW AND RAIN  
SHOWERS IN THE EVENING...THEN ISOLATED SNOW SHOWERS OVERNIGHT.  
* MIN TEMPERATURE.......28-33.  
* 24 HR TREND.........2 DEGREES COOLER.  
* MAX HUMIDITY..........91-96 PERCENT.  
* 24 HR TREND.........5 PERCENT DRIER.  
* WIND (20 FT)  
* PLAINS...............SOUTHEAST WINDS 5 TO 15 MPH.  
* LAL...................1...NO THUNDERSTORMS.  
* CWR...................10 PERCENT.  
   
WEDNESDAY
 
 
* SKY/WEATHER...........PARTLY SUNNY. ISOLATED RAIN SHOWERS IN THE  
AFTERNOON.  
* MAX TEMPERATURE.......49-54.  
* 24 HR TREND.........12 DEGREES WARMER.  
* MIN HUMIDITY..........42-47 PERCENT.  
* 24 HR TREND.........14 PERCENT DRIER.  
* WIND (20 FT)  
* PLAINS...............SOUTH WINDS 5 TO 15 MPH.  
* LAL...................1...NO THUNDERSTORMS.  
* CWR...................LESS THAN 10 PERCENT.  
* HAINES INDEX..........3.  
 
   
FORECAST DAYS 3 THROUGH 7...
 
   
WEDNESDAY NIGHT
 
MOSTLY CLOUDY. SCATTERED RAIN AND SNOW  
SHOWERS. LOWS 32 TO 37. SOUTHEAST WINDS 5 TO 15 MPH.    
THURSDAY
 
CLOUDY. NUMEROUS RAIN AND SNOW SHOWERS. LOWS 32 TO  
37. HIGHS 40 TO 45. NORTH WINDS 5 TO 10 MPH.    
FRIDAY
 
MOSTLY CLOUDY. SCATTERED RAIN AND SNOW SHOWERS. LOWS  
31 TO 36. HIGHS 41 TO 46. NORTH WINDS 5 TO 15 MPH.    
SATURDAY
 
PARTLY CLOUDY. ISOLATED RAIN AND SNOW SHOWERS. LOWS  
32 TO 37. HIGHS 46 TO 51. WEST WINDS 5 TO 15 MPH.    
SUNDAY
 
MOSTLY CLOUDY. SCATTERED SHOWERS. LOWS 35 TO 40. HIGHS  
52 TO 57.    
MONDAY
 
MOSTLY CLOUDY. SCATTERED SHOWERS. HIGHS 52 TO 57.  
 

 
 
MTZ128-252215-  
YELLOWSTONE COUNTY-  
717 AM MDT TUE APR 25 2017  
   
TODAY
 
 
* SKY/WEATHER...........SCATTERED SNOW SHOWERS IN THE MORNING.  
CLOUDY WITH SCATTERED RAIN SHOWERS.  
* MAX TEMPERATURE.......41-46.  
* 24 HR TREND.........15 DEGREES COOLER.  
* MIN HUMIDITY..........58-63 PERCENT.  
* 24 HR TREND.........13 PERCENT WETTER.  
* WIND (20 FT)  
* PLAINS...............NORTHEAST WINDS 5 TO 15 MPH.  
* LAL...................1...NO THUNDERSTORMS.  
* CWR...................30 PERCENT.  
* HAINES INDEX..........2.  
   
TONIGHT
 
 
* SKY/WEATHER...........MOSTLY CLOUDY. SCATTERED RAIN SHOWERS WITH  
ISOLATED SNOW SHOWERS IN THE EVENING.  
* MIN TEMPERATURE.......31-36.  
* 24 HR TREND.........4 DEGREES COOLER.  
* MAX HUMIDITY..........88-93 PERCENT.  
* 24 HR TREND.........2 PERCENT DRIER.  
* WIND (20 FT)  
* PLAINS...............SOUTHEAST WINDS 5 TO 15 MPH.  
* LAL...................1...NO THUNDERSTORMS.  
* CWR...................ZERO.  
   
WEDNESDAY
 
 
* SKY/WEATHER...........PARTLY SUNNY. ISOLATED RAIN SHOWERS IN THE  
AFTERNOON.  
* MAX TEMPERATURE.......55-60.  
* 24 HR TREND.........14 DEGREES WARMER.  
* MIN HUMIDITY..........39-44 PERCENT.  
* 24 HR TREND.........19 PERCENT DRIER.  
* WIND (20 FT)  
* PLAINS...............SOUTH WINDS 5 TO 15 MPH.  
* LAL...................1...NO THUNDERSTORMS.  
* CWR...................10 PERCENT.  
* HAINES INDEX..........3.  
 
   
FORECAST DAYS 3 THROUGH 7...
 
   
WEDNESDAY NIGHT
 
MOSTLY CLOUDY. SCATTERED SHOWERS. LOWS 35 TO  
40. SOUTHEAST WINDS 5 TO 15 MPH.    
THURSDAY
 
COOLER, CLOUDY. NUMEROUS SHOWERS AND SCATTERED SNOW  
SHOWERS. LOWS 34 TO 39. HIGHS 45 TO 50. NORTHWEST WINDS 10 TO  
20 MPH.    
FRIDAY
 
CLOUDY. SCATTERED SHOWERS WITH ISOLATED SNOW SHOWERS.  
LOWS 33 TO 38. HIGHS 44 TO 49. NORTH WINDS 5 TO 15 MPH.    
SATURDAY
 
PARTLY CLOUDY. ISOLATED SHOWERS. LOWS 33 TO 38. HIGHS  
50 TO 55. WEST WINDS 5 TO 10 MPH.    
SUNDAY
 
MOSTLY CLOUDY. SCATTERED SHOWERS. LOWS 36 TO 41. HIGHS  
57 TO 62.    
MONDAY
 
MOSTLY CLOUDY. SCATTERED SHOWERS. HIGHS 57 TO 62.  
 

 
 
MTZ129-252215-  
CROW INDIAN RESERVATION/BIGHORN CANYON REC AREA-  
717 AM MDT TUE APR 25 2017  
   
TODAY
 
 
* SKY/WEATHER...........CLOUDY. SNOW IN THE MORNING...THEN  
SCATTERED SNOW SHOWERS IN THE AFTERNOON.  
* MAX TEMPERATURE.......31-40 AT 5000 FEET...28-34 AT 7000 FEET.  
* 24 HR TREND.........17 DEGREES COOLER.  
* MIN HUMIDITY..........79-84 PERCENT.  
* 24 HR TREND.........27 PERCENT WETTER.  
* WIND (20 FT)  
* SLOPE/VALLEY.........NORTH WINDS 15 TO 25 MPH WITH GUSTS TO  
AROUND 30 MPH IN THE MORNING...DIMINISHING TO 5 TO 15 MPH IN THE  
AFTERNOON.  
* RIDGETOP.............NORTH 10 TO 20 MPH.  
* LAL...................1...NO THUNDERSTORMS.  
* CWR...................80 PERCENT.  
* HAINES INDEX..........2.  
   
TONIGHT
 
 
* SKY/WEATHER...........MOSTLY CLOUDY.  
* MIN TEMPERATURE.......26-31 AT 5000 FEET...24-29 AT 7000 FEET.  
* 24 HR TREND.........4 DEGREES COOLER.  
* MAX HUMIDITY..........89-99 PERCENT AT 5000 FEET...87-96 PERCENT  
AT 7000 FEET.  
* 24 HR TREND.........1 PERCENT WETTER.  
* WIND (20 FT)  
* SLOPE/VALLEY.........SOUTHEAST WINDS 5 TO 10 MPH.  
* RIDGETOP.............NORTHWEST 5 TO 15 MPH.  
* LAL...................1...NO THUNDERSTORMS.  
* CWR...................ZERO.  
   
WEDNESDAY
 
 
* SKY/WEATHER...........PARTLY SUNNY. ISOLATED RAIN SHOWERS IN THE  
AFTERNOON.  
* MAX TEMPERATURE.......45-55 AT 5000 FEET...41-47 AT 7000 FEET.  
* 24 HR TREND.........15 DEGREES WARMER.  
* MIN HUMIDITY..........46-56 PERCENT AT 5000 FEET...54-59 PERCENT  
AT 7000 FEET.  
* 24 HR TREND.........25 PERCENT DRIER.  
* WIND (20 FT)  
* SLOPE/VALLEY.........SOUTH WINDS 5 TO 10 MPH.  
* RIDGETOP.............WEST 5 TO 15 MPH.  
* LAL...................1...NO THUNDERSTORMS.  
* CWR...................LESS THAN 10 PERCENT.  
* HAINES INDEX..........3.  
 
   
FORECAST DAYS 3 THROUGH 7...
 
   
WEDNESDAY NIGHT
 
MOSTLY CLOUDY. SCATTERED RAIN AND SNOW  
SHOWERS. LOWS 28 TO 36. SOUTHEAST WINDS 5 TO 15 MPH.    
THURSDAY
 
CLOUDY. NUMEROUS SNOW AND RAIN SHOWERS. LOWS 26 TO  
36. HIGHS 35 TO 45. NORTHWEST WINDS 5 TO 15 MPH WITH GUSTS TO  
AROUND 30 MPH.    
FRIDAY
 
CLOUDY. SCATTERED SNOW AND RAIN SHOWERS. LOWS 25 TO 34.  
HIGHS 34 TO 44. NORTHWEST WINDS 5 TO 15 MPH.    
SATURDAY
 
MOSTLY CLOUDY. ISOLATED RAIN AND SNOW SHOWERS. LOWS  
25 TO 32. HIGHS 38 TO 48. WEST WINDS 5 TO 15 MPH.    
SUNDAY
 
MOSTLY CLOUDY. ISOLATED RAIN AND SNOW SHOWERS. LOWS  
27 TO 37. HIGHS 45 TO 55.    
MONDAY
 
MOSTLY CLOUDY. SCATTERED SHOWERS. HIGHS 45 TO 55.  
 

 
 
MTZ130-252215-  
NORTHERN ROSEBUD/NORTHERN TREASURE COUNTIES-  
717 AM MDT TUE APR 25 2017  
   
TODAY
 
 
* SKY/WEATHER...........CLOUDY. ISOLATED SNOW SHOWERS IN THE  
MORNING.  
* MAX TEMPERATURE.......41-46.  
* 24 HR TREND.........10 DEGREES COOLER.  
* MIN HUMIDITY..........48-53 PERCENT.  
* 24 HR TREND.........14 PERCENT DRIER.  
* WIND (20 FT)  
* PLAINS...............NORTHEAST WINDS 5 TO 15 MPH.  
* LAL...................1...NO THUNDERSTORMS.  
* CWR...................LESS THAN 10 PERCENT.  
* HAINES INDEX..........2.  
   
TONIGHT
 
 
* SKY/WEATHER...........MOSTLY CLOUDY.  
* MIN TEMPERATURE.......29-34.  
* 24 HR TREND.........4 DEGREES COOLER.  
* MAX HUMIDITY..........91-96 PERCENT.  
* 24 HR TREND.........1 PERCENT DRIER.  
* WIND (20 FT)  
* PLAINS...............SOUTHEAST WINDS 5 TO 10 MPH.  
* LAL...................1...NO THUNDERSTORMS.  
* CWR...................ZERO.  
   
WEDNESDAY
 
 
* SKY/WEATHER...........PARTLY SUNNY.  
* MAX TEMPERATURE.......54-59.  
* 24 HR TREND.........13 DEGREES WARMER.  
* MIN HUMIDITY..........35-40 PERCENT.  
* 24 HR TREND.........13 PERCENT DRIER.  
* WIND (20 FT)  
* PLAINS...............SOUTHEAST WINDS 5 TO 15 MPH.  
* LAL...................1...NO THUNDERSTORMS.  
* CWR...................ZERO.  
* HAINES INDEX..........3.  
 
   
FORECAST DAYS 3 THROUGH 7...
 
   
WEDNESDAY NIGHT
 
MOSTLY CLOUDY. SCATTERED SHOWERS. LOWS 34 TO  
39. SOUTHEAST WINDS 5 TO 15 MPH.    
THURSDAY
 
CLOUDY. SCATTERED SHOWERS. LOWS 34 TO 39. HIGHS 49 TO  
54. NORTHEAST WINDS 5 TO 15 MPH.    
FRIDAY
 
CLOUDY. SCATTERED SHOWERS WITH ISOLATED SNOW SHOWERS.  
LOWS 34 TO 39. HIGHS 48 TO 53. NORTH WINDS 5 TO 10 MPH.    
SATURDAY
 
PARTLY CLOUDY. ISOLATED SHOWERS. LOWS 34 TO 39. HIGHS  
52 TO 57. WEST WINDS 5 TO 10 MPH.    
SUNDAY
 
MOSTLY CLOUDY. SCATTERED SHOWERS. LOWS 36 TO 41. HIGHS  
59 TO 64.    
MONDAY
 
PARTLY SUNNY. SCATTERED SHOWERS. HIGHS 58 TO 63.  
 

 
 
MTZ131-252215-  
NORTHERN CHEYENNE INDIAN RESERVATION/ASHLAND RANGER DISTRICT  
CUSTER NATL FOREST-  
717 AM MDT TUE APR 25 2017  
   
TODAY
 
 
* SKY/WEATHER...........CLOUDY. SNOW IN THE MORNING...THEN RAIN AND  
SNOW LIKELY IN THE AFTERNOON.  
* MAX TEMPERATURE.......34-39.  
* 24 HR TREND.........21 DEGREES COOLER.  
* MIN HUMIDITY..........71-76 PERCENT.  
* 24 HR TREND.........20 PERCENT WETTER.  
* WIND (20 FT)  
* SLOPE/VALLEY.........NORTH WINDS 10 TO 20 MPH. GUSTS UP TO 30 MPH  
IN THE MORNING.  
* RIDGETOP.............NORTHEAST 15 TO 25 MPH.  
* LAL...................1...NO THUNDERSTORMS.  
* CWR...................70 PERCENT.  
* HAINES INDEX..........2.  
   
TONIGHT
 
 
* SKY/WEATHER...........MOSTLY CLOUDY.  
* MIN TEMPERATURE.......22-27.  
* 24 HR TREND.........8 DEGREES COOLER.  
* MAX HUMIDITY..........100 PERCENT.  
* 24 HR TREND.........3 PERCENT WETTER.  
* WIND (20 FT)  
* SLOPE/VALLEY.........EAST WINDS 5 TO 10 MPH IN THE  
EVENING...BECOMING SOUTH OVERNIGHT.  
* RIDGETOP.............NORTH 5 TO 15 MPH.  
* LAL...................1...NO THUNDERSTORMS.  
* CWR...................ZERO.  
   
WEDNESDAY
 
 
* SKY/WEATHER...........PARTLY SUNNY.  
* MAX TEMPERATURE.......47-52.  
* 24 HR TREND.........13 DEGREES WARMER.  
* MIN HUMIDITY..........53-58 PERCENT.  
* 24 HR TREND.........18 PERCENT DRIER.  
* WIND (20 FT)  
* SLOPE/VALLEY.........SOUTHEAST WINDS 5 TO 15 MPH.  
* RIDGETOP.............NORTHWEST 5 TO 15 MPH.  
* LAL...................1...NO THUNDERSTORMS.  
* CWR...................ZERO.  
* HAINES INDEX..........3.  
 
   
FORECAST DAYS 3 THROUGH 7...
 
   
WEDNESDAY NIGHT
 
MOSTLY CLOUDY. ISOLATED SNOW SHOWERS. LOWS  
29 TO 34. SOUTHEAST WINDS 5 TO 15 MPH.    
THURSDAY
 
CLOUDY. SCATTERED RAIN AND SNOW SHOWERS. LOWS 30 TO  
35. HIGHS 44 TO 49. NORTH WINDS 5 TO 10 MPH.    
FRIDAY
 
CLOUDY. SCATTERED RAIN AND SNOW SHOWERS. LOWS 30 TO 35.  
HIGHS 41 TO 46. NORTHWEST WINDS 5 TO 10 MPH.    
SATURDAY
 
MOSTLY CLOUDY. ISOLATED RAIN AND SNOW SHOWERS. LOWS  
29 TO 34. HIGHS 46 TO 51. WEST WINDS 5 TO 10 MPH.    
SUNDAY
 
MOSTLY CLOUDY. SCATTERED RAIN AND SNOW SHOWERS. LOWS  
31 TO 37. HIGHS 53 TO 58.    
MONDAY
 
MOSTLY CLOUDY. SCATTERED SHOWERS. HIGHS 56 TO 61.  
 

 
 
MTZ132-252215-  
CUSTER COUNTY-  
717 AM MDT TUE APR 25 2017  
   
TODAY
 
 
* SKY/WEATHER...........CLOUDY.  
* MAX TEMPERATURE.......36-41.  
* 24 HR TREND.........9 DEGREES COOLER.  
* MIN HUMIDITY..........53-58 PERCENT.  
* 24 HR TREND.........18 PERCENT DRIER.  
* WIND (20 FT)  
* PLAINS...............NORTHEAST WINDS 10 TO 20 MPH.  
* LAL...................1...NO THUNDERSTORMS.  
* CWR...................ZERO.  
* HAINES INDEX..........2.  
   
TONIGHT
 
 
* SKY/WEATHER...........MOSTLY CLOUDY.  
* MIN TEMPERATURE.......24-29.  
* 24 HR TREND.........4 DEGREES COOLER.  
* MAX HUMIDITY..........88-93 PERCENT.  
* 24 HR TREND.........2 PERCENT DRIER.  
* WIND (20 FT)  
* PLAINS...............EAST WINDS 5 TO 15 MPH.  
* LAL...................1...NO THUNDERSTORMS.  
* CWR...................ZERO.  
   
WEDNESDAY
 
 
* SKY/WEATHER...........PARTLY SUNNY.  
* MAX TEMPERATURE.......47-52.  
* 24 HR TREND.........11 DEGREES WARMER.  
* MIN HUMIDITY..........36-41 PERCENT.  
* 24 HR TREND.........17 PERCENT DRIER.  
* WIND (20 FT)  
* PLAINS...............SOUTHEAST WINDS 5 TO 15 MPH.  
* LAL...................1...NO THUNDERSTORMS.  
* CWR...................ZERO.  
* HAINES INDEX..........3.  
 
   
FORECAST DAYS 3 THROUGH 7...
 
   
WEDNESDAY NIGHT
 
MOSTLY CLOUDY. LOWS 30 TO 35. SOUTHEAST WINDS  
10 TO 20 MPH.    
THURSDAY
 
MOSTLY CLOUDY. SCATTERED RAIN AND SNOW SHOWERS. LOWS  
31 TO 36. HIGHS 48 TO 53. EAST WINDS 5 TO 15 MPH.    
FRIDAY
 
MOSTLY CLOUDY. SCATTERED RAIN AND SNOW SHOWERS. LOWS  
32 TO 37. HIGHS 46 TO 51. EAST WINDS 5 TO 10 MPH.    
SATURDAY
 
MOSTLY CLOUDY. LOWS 32 TO 37. HIGHS 48 TO 53. WEST  
WINDS 5 TO 10 MPH.    
SUNDAY
 
PARTLY CLOUDY. SCATTERED SHOWERS. LOWS 34 TO 39. HIGHS  
54 TO 59.    
MONDAY
 
PARTLY SUNNY. SCATTERED SHOWERS. HIGHS 54 TO 59.  
 

 
 
MTZ133-252215-  
SIOUX RANGER DISTRICT CUSTER NATIONAL FOREST-  
717 AM MDT TUE APR 25 2017  
   
TODAY
 
 
* SKY/WEATHER...........CLOUDY WITH SCATTERED SNOW SHOWERS.  
ISOLATED RAIN SHOWERS IN THE AFTERNOON.  
* MAX TEMPERATURE.......33-38.  
* 24 HR TREND.........18 DEGREES COOLER.  
* MIN HUMIDITY..........62-67 PERCENT.  
* 24 HR TREND.........3 PERCENT WETTER.  
* WIND (20 FT)  
* PLAINS...............NORTHEAST WINDS 10 TO 20 MPH. GUSTS UP TO 30  
MPH IN THE MORNING.  
* LAL...................1...NO THUNDERSTORMS.  
* CWR...................40 PERCENT.  
* HAINES INDEX..........2.  
   
TONIGHT
 
 
* SKY/WEATHER...........MOSTLY CLOUDY.  
* MIN TEMPERATURE.......22-27.  
* 24 HR TREND.........5 DEGREES COOLER.  
* MAX HUMIDITY..........94-99 PERCENT.  
* 24 HR TREND.........2 PERCENT WETTER.  
* WIND (20 FT)  
* PLAINS...............NORTH WINDS 5 TO 15 MPH.  
* LAL...................1...NO THUNDERSTORMS.  
* CWR...................ZERO.  
   
WEDNESDAY
 
 
* SKY/WEATHER...........PARTLY SUNNY.  
* MAX TEMPERATURE.......45-50.  
* 24 HR TREND.........12 DEGREES WARMER.  
* MIN HUMIDITY..........45-50 PERCENT.  
* 24 HR TREND.........17 PERCENT DRIER.  
* WIND (20 FT)  
* PLAINS...............NORTHEAST WINDS 5 TO 10 MPH.  
* LAL...................1...NO THUNDERSTORMS.  
* CWR...................ZERO.  
* HAINES INDEX..........3.  
 
   
FORECAST DAYS 3 THROUGH 7...
 
   
WEDNESDAY NIGHT
 
PARTLY CLOUDY. LOWS 25 TO 30. EAST WINDS 5 TO  
15 MPH.    
THURSDAY
 
MOSTLY CLOUDY. ISOLATED RAIN AND SNOW SHOWERS. LOWS  
27 TO 32. HIGHS 48 TO 53. EAST WINDS 5 TO 15 MPH.    
FRIDAY
 
CLOUDY. SCATTERED RAIN AND SNOW SHOWERS. LOWS 29 TO 34.  
HIGHS 47 TO 52. NORTHEAST WINDS 5 TO 15 MPH.    
SATURDAY
 
MOSTLY CLOUDY. LOWS 29 TO 34. HIGHS 50 TO 55.  
NORTHWEST WINDS 5 TO 15 MPH.    
SUNDAY
 
PARTLY CLOUDY. SCATTERED RAIN AND SNOW SHOWERS. LOWS  
32 TO 37. HIGHS 54 TO 59.    
MONDAY
 
MOSTLY CLOUDY. SCATTERED SHOWERS. HIGHS 56 TO 61.  
 

 
 
WYZ274-252215-  
SHERIDAN COUNTY-  
717 AM MDT TUE APR 25 2017  
   
TODAY
 
 
* SKY/WEATHER...........CLOUDY. SNOW IN THE MORNING...THEN SNOW  
LIKELY AND SCATTERED RAIN SHOWERS IN THE AFTERNOON.  
* MAX TEMPERATURE.......34-39.  
* 24 HR TREND.........21 DEGREES COOLER.  
* MIN HUMIDITY..........78-83 PERCENT.  
* 24 HR TREND.........35 PERCENT WETTER.  
* WIND (20 FT)  
* SLOPE/VALLEY.........NORTHWEST WINDS 15 TO 25 MPH WITH GUSTS TO  
AROUND 35 MPH IN THE MORNING...DIMINISHING TO 10 TO 20 MPH IN  
THE AFTERNOON.  
* RIDGETOP.............NORTH 15 TO 25 MPH.  
* LAL...................1...NO THUNDERSTORMS.  
* CWR...................90 PERCENT.  
* HAINES INDEX..........2.  
   
TONIGHT
 
 
* SKY/WEATHER...........MOSTLY CLOUDY. ISOLATED SNOW SHOWERS IN THE  
EVENING.  
* MIN TEMPERATURE.......23-28.  
* 24 HR TREND.........9 DEGREES COOLER.  
* MAX HUMIDITY..........100 PERCENT.  
* 24 HR TREND.........3 PERCENT WETTER.  
* WIND (20 FT)  
* SLOPE/VALLEY.........EAST WINDS 5 TO 10 MPH IN THE  
EVENING...BECOMING SOUTH OVERNIGHT.  
* RIDGETOP.............NORTHWEST 5 TO 15 MPH.  
* LAL...................1...NO THUNDERSTORMS.  
* CWR...................LESS THAN 10 PERCENT.  
   
WEDNESDAY
 
 
* SKY/WEATHER...........MOSTLY CLOUDY. ISOLATED RAIN SHOWERS IN THE  
AFTERNOON.  
* MAX TEMPERATURE.......48-53.  
* 24 HR TREND.........14 DEGREES WARMER.  
* MIN HUMIDITY..........52-57 PERCENT.  
* 24 HR TREND.........26 PERCENT DRIER.  
* WIND (20 FT)  
* SLOPE/VALLEY.........NORTH WINDS 5 TO 10 MPH IN THE  
MORNING...BECOMING SOUTHEAST IN THE AFTERNOON.  
* RIDGETOP.............NORTHWEST 5 TO 15 MPH.  
* LAL...................1...NO THUNDERSTORMS.  
* CWR...................LESS THAN 10 PERCENT.  
* HAINES INDEX..........3.  
 
   
FORECAST DAYS 3 THROUGH 7...
 
   
WEDNESDAY NIGHT
 
MOSTLY CLOUDY. SCATTERED RAIN AND SNOW  
SHOWERS. LOWS 31 TO 36. SOUTH WINDS 5 TO 15 MPH.    
THURSDAY
 
CLOUDY. NUMEROUS SHOWERS AND SCATTERED SNOW SHOWERS.  
LOWS 31 TO 36. HIGHS 42 TO 47. NORTHWEST WINDS 5 TO 15 MPH.    
FRIDAY
 
CLOUDY. SCATTERED RAIN AND SNOW SHOWERS. LOWS 30 TO 35.  
HIGHS 40 TO 45. NORTHWEST WINDS 5 TO 15 MPH.    
SATURDAY
 
MOSTLY CLOUDY. ISOLATED RAIN AND SNOW SHOWERS. LOWS  
28 TO 33. HIGHS 45 TO 50. NORTHWEST WINDS 5 TO 15 MPH.    
SUNDAY
 
MOSTLY CLOUDY. SCATTERED RAIN AND SNOW SHOWERS. LOWS  
29 TO 36. HIGHS 51 TO 56.    
MONDAY
 
MOSTLY CLOUDY. SCATTERED SHOWERS. HIGHS 54 TO 59.  
 

 
 
WYZ284-252215-  
BIGHORN NATIONAL FOREST-  
717 AM MDT TUE APR 25 2017  
   
TODAY
 
 
* SKY/WEATHER...........CLOUDY WITH SNOW.  
* MAX TEMPERATURE.......26-31.  
* 24 HR TREND.........15 DEGREES COOLER.  
* MIN HUMIDITY..........80-85 PERCENT.  
* 24 HR TREND.........39 PERCENT WETTER.  
* WIND (20 FT)  
* AT BURGESS JCT.......NORTH WINDS 10 TO 20 MPH. GUSTS UP TO 30 MPH  
IN THE MORNING.  
* LAL...................1...NO THUNDERSTORMS.  
* CWR...................100 PERCENT.  
* HAINES INDEX..........2.  
   
TONIGHT
 
 
* SKY/WEATHER...........MOSTLY CLOUDY. SCATTERED SNOW SHOWERS IN  
THE EVENING.  
* MIN TEMPERATURE.......16-21.  
* 24 HR TREND.........5 DEGREES COOLER.  
* MAX HUMIDITY..........94-99 PERCENT.  
* 24 HR TREND.........1 PERCENT DRIER.  
* WIND (20 FT)  
* AT BURGESS JCT.......SOUTHWEST WINDS 5 TO 10 MPH.  
* LAL...................1...NO THUNDERSTORMS.  
* CWR...................LESS THAN 10 PERCENT.  
   
WEDNESDAY
 
 
* SKY/WEATHER...........MOSTLY CLOUDY. ISOLATED SNOW SHOWERS IN THE  
MORNING...THEN SCATTERED RAIN AND SNOW SHOWERS IN THE AFTERNOON.  
* MAX TEMPERATURE.......37-42.  
* 24 HR TREND.........11 DEGREES WARMER.  
* MIN HUMIDITY..........58-63 PERCENT.  
* 24 HR TREND.........22 PERCENT DRIER.  
* WIND (20 FT)  
* AT BURGESS JCT.......SOUTHWEST WINDS 5 TO 15 MPH.  
* LAL...................1...NO THUNDERSTORMS.  
* CWR...................10 PERCENT.  
* HAINES INDEX..........3.  
 
   
FORECAST DAYS 3 THROUGH 7...
 
   
WEDNESDAY NIGHT
 
MOSTLY CLOUDY. NUMEROUS SNOW SHOWERS. LOWS  
22 TO 27. SOUTHWEST WINDS 5 TO 10 MPH.    
THURSDAY
 
CLOUDY. SNOW SHOWERS. LOWS 20 TO 25. HIGHS 30 TO 35.  
NORTHWEST WINDS 5 TO 15 MPH.    
FRIDAY
 
CLOUDY. NUMEROUS SNOW SHOWERS. LOWS 17 TO 22. HIGHS  
27 TO 32. NORTH WINDS 5 TO 15 MPH.    
SATURDAY
 
MOSTLY CLOUDY. SCATTERED SNOW SHOWERS. LOWS 14 TO 19.  
HIGHS 31 TO 36. NORTH WINDS 5 TO 10 MPH.    
SUNDAY
 
MOSTLY CLOUDY. SCATTERED SNOW SHOWERS. LOWS 15 TO 25.  
HIGHS 37 TO 42.    
MONDAY
 
MOSTLY CLOUDY. SCATTERED RAIN AND SNOW SHOWERS. HIGHS  
38 TO 43.  
 

 
 
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