886  
FNUS55 KGGW 202348 AAA  
FWFGGW  
 
FIRE WEATHER PLANNING FORECAST FOR NORTHEAST MONTANA...UPDATED  
NATIONAL WEATHER SERVICE GLASGOW MT  
548 PM MDT THU JUL 20 2017  
 
...RED FLAG WARNING IN EFFECT UNTIL 9 PM MDT FRIDAY FOR  
LOW RELATIVE HUMIDITY AND GUSTY WIND FOR ALL NORTHEAST MONTANA  
ZONES...  
   
DISCUSSION
 
 
A LOW PRESSURE DISTURBANCE WILL GENERATE THUNDERSTORMS OVER  
EASTERN ZONES THROUGH THIS EVENING. THIS LOW WILL ALSO GENERATE  
STRONG WEST WINDS SOUTH OF FORT PECK LAKE THIS EVENING CAUSING  
CRITICAL FIRE WEATHER CONDITIONS, DUE TO LOW RELATIVE HUMIDITY.  
ANOTHER DISTURBANCE IN CANADA FRIDAY WILL GENERATE STRONG  
NORTHWEST WIND TO AGAIN CREATE CRITICAL FIRE CONDITIONS, AGAIN DUE  
TO LOW RELATIVE HUMIDITY. STRONG WIND ON SATURDAY COULD AGAIN  
CREATE CRITICAL FIRE WX CONDITIONS.  
 
MTZ134-211030-  
NORTHERN VALLEY AND NORTHERN PHILLIPS COUNTIES-  
548 PM MDT THU JUL 20 2017  
 
...RED FLAG WARNING IN EFFECT UNTIL 9 PM MDT FRIDAY FOR  
LOW RELATIVE HUMIDITY AND GUSTY WIND...  
   
TONIGHT
 
 
SKY/WEATHER.........PARTLY CLOUDY (20-30 PERCENT). SCATTERED  
THUNDERSTORMS IN THE EVENING. SCATTERED SHOWERS  
THROUGH THE NIGHT. ISOLATED THUNDERSTORMS AFTER  
MIDNIGHT.  
 
MIN TEMPERATURE.....58-63.  
MAX HUMIDITY........71-76 PERCENT.  
20-FOOT WINDS.......EAST WINDS 10 TO 20 MPH BECOMING NORTHWEST 10  
TO 15 MPH LATE IN THE NIGHT.  
LAL.................3.  
CWR (> 0.10 INCH)...10 PERCENT.  
   
FRIDAY
 
 
SKY/WEATHER.........PARTLY CLOUDY (20-30 PERCENT) THEN BECOMING  
SUNNY (0-10 PERCENT).  
MAX TEMPERATURE.....83-88.  
MIN HUMIDITY........14-19 PERCENT.  
20-FOOT WINDS.......WEST WINDS 10 TO 20 MPH.  
HAINES INDEX........6 HIGH.  
LAL.................1.  
CWR (> 0.10 INCH)...ZERO.  
   
FRIDAY NIGHT
 
 
SKY/WEATHER.........MOSTLY CLEAR (5-15 PERCENT).  
MIN TEMPERATURE.....53-58.  
MAX HUMIDITY........69-74 PERCENT.  
20-FOOT WINDS.......NORTHWEST WINDS 5 TO 15 MPH.  
LAL.................1.  
CWR (> 0.10 INCH)...ZERO.  
   
SATURDAY
 
 
SKY/WEATHER.........SUNNY (10-20 PERCENT).  
MAX TEMPERATURE.....82-87.  
MIN HUMIDITY........25-30 PERCENT.  
20-FOOT WINDS.......NORTHWEST WINDS 5 TO 15 MPH.  
HAINES INDEX........5 MODERATE.  
LAL.................1.  
CWR (> 0.10 INCH)...ZERO.  
 
   
FORECAST DAYS 3 THROUGH 7...
 
   
SUNDAY
 
MOSTLY CLEAR. LOWS IN THE UPPER 50S. HIGHS AROUND 90.  
SOUTHEAST WINDS 5 TO 15 MPH.    
MONDAY
 
MOSTLY CLEAR. LOWS IN THE LOWER 60S. HIGHS AROUND 90.  
SOUTH WINDS 5 TO 15 MPH.    
TUESDAY
 
PARTLY CLOUDY. LOWS IN THE LOWER 60S. HIGHS IN THE  
UPPER 80S. NORTHEAST WINDS 5 TO 15 MPH.    
WEDNESDAY
 
PARTLY CLOUDY. A SLIGHT CHANCE OF SHOWERS. LOWS IN  
THE LOWER 60S. HIGHS IN THE UPPER 80S.    
THURSDAY
 
PARTLY CLOUDY. A SLIGHT CHANCE OF SHOWERS. LOWS IN  
THE LOWER 60S. HIGHS AROUND 90.  
 

 
 
MTZ135-211030-  
THE LITTLE ROCKIES-  
548 PM MDT THU JUL 20 2017  
 
...RED FLAG WARNING IN EFFECT UNTIL 9 PM MDT FRIDAY FOR  
LOW RELATIVE HUMIDITY AND GUSTY WIND...  
   
TONIGHT
 
 
SKY/WEATHER.........PARTLY CLOUDY (25-35 PERCENT). ISOLATED SHOWERS  
AFTER MIDNIGHT.  
MIN TEMPERATURE.....64-69 VALLEYS AND 56-61 RIDGES.  
MAX HUMIDITY........40-45 PERCENT.  
20-FOOT WINDS.......  
LOWER ELEVATION......NORTHWEST WINDS 5 TO 15 MPH.  
RIDGE............NORTHWEST WINDS 5 TO 15 MPH.  
LAL.................1.  
CWR (> 0.10 INCH)...ZERO.  
   
FRIDAY
 
 
SKY/WEATHER.........SUNNY (5-15 PERCENT).  
MAX TEMPERATURE.....86-91 VALLEYS AND 76-81 RIDGES.  
MIN HUMIDITY........13-18 PERCENT.  
20-FOOT WINDS.......  
LOWER ELEVATION......WEST WINDS 10 TO 20 MPH.  
RIDGE............WEST WINDS 10 TO 20 MPH.  
HAINES INDEX........6 HIGH.  
LAL.................1.  
CWR (> 0.10 INCH)...ZERO.  
   
FRIDAY NIGHT
 
 
SKY/WEATHER.........MOSTLY CLEAR (10-20 PERCENT).  
MIN TEMPERATURE.....57-62 VALLEYS AND 51-56 RIDGES.  
MAX HUMIDITY........53-58 PERCENT.  
20-FOOT WINDS.......  
LOWER ELEVATION......NORTHWEST WINDS 5 TO 15 MPH IN THE EVENING  
BECOMING DOWNSLOPE/DOWNVALLEY 2-5 MPH.  
RIDGE............WEST WINDS 10 TO 20 MPH BECOMING NORTHWEST 5  
TO 10 MPH AFTER MIDNIGHT.  
LAL.................1.  
CWR (> 0.10 INCH)...ZERO.  
   
SATURDAY
 
 
SKY/WEATHER.........SUNNY (10-20 PERCENT).  
MAX TEMPERATURE.....87-92 VALLEYS AND 77-82 RIDGES.  
MIN HUMIDITY........17-22 PERCENT.  
20-FOOT WINDS.......  
LOWER ELEVATION......UPSLOPE/UPVALLEY 5-10 MPH.  
RIDGE............NORTHWEST WINDS 5 TO 10 MPH.  
HAINES INDEX........6 HIGH.  
LAL.................1.  
CWR (> 0.10 INCH)...ZERO.  
 
   
FORECAST DAYS 3 THROUGH 7...
 
   
SUNDAY
 
MOSTLY CLEAR. LOWS IN THE UPPER 50S. HIGHS AROUND 90.  
SOUTH WINDS 5 TO 10 MPH.    
MONDAY
 
MOSTLY CLEAR. LOWS IN THE LOWER 60S. HIGHS IN THE UPPER  
80S. SOUTHWEST WINDS 5 TO 15 MPH.    
TUESDAY
 
PARTLY CLOUDY. A SLIGHT CHANCE OF SHOWERS. LOWS IN THE  
LOWER 60S. HIGHS IN THE UPPER 80S. EAST WINDS 5 TO 10 MPH.    
WEDNESDAY
 
PARTLY CLOUDY. A SLIGHT CHANCE OF SHOWERS AND  
THUNDERSTORMS. LOWS IN THE LOWER 60S. HIGHS IN THE UPPER 80S.    
THURSDAY
 
PARTLY CLOUDY. A SLIGHT CHANCE OF SHOWERS AND  
THUNDERSTORMS. LOWS IN THE LOWER 60S. HIGHS IN THE UPPER 80S.  
 

 
 
MTZ136-211030-  
THE LOWER MISSOURI RIVER BREAKS INCLUDING THE CHARLES M RUSSELL  
NATIONAL WILDLIFE REFUGE-  
548 PM MDT THU JUL 20 2017  
 
...RED FLAG WARNING IN EFFECT UNTIL 9 PM MDT FRIDAY FOR  
LOW RELATIVE HUMIDITY AND GUSTY WIND...  
   
TONIGHT
 
 
SKY/WEATHER.........PARTLY CLOUDY (20-30 PERCENT). ISOLATED SHOWERS  
AND THUNDERSTORMS AFTER MIDNIGHT.  
MIN TEMPERATURE.....62-67.  
MAX HUMIDITY........54-59 PERCENT.  
20-FOOT WINDS.......  
LOWER ELEVATION......NORTHWEST WINDS 5 TO 15 MPH BECOMING  
NORTHEAST LATE IN THE EVENING, THEN  
BECOMING NORTHWEST 10 TO 15 MPH AFTER  
MIDNIGHT.  
RIDGE............NORTH WINDS 5 TO 15 MPH BECOMING NORTHEAST 10  
TO 15 MPH LATE IN THE EVENING, THEN BECOMING  
NORTH AFTER MIDNIGHT BECOMING NORTHWEST LATE  
IN THE NIGHT.  
LAL.................1 UNTIL 2400, THEN 3.  
CWR (> 0.10 INCH)...LESS THAN 10 PERCENT.  
   
FRIDAY
 
 
SKY/WEATHER.........SUNNY (20-30 PERCENT).  
MAX TEMPERATURE.....86-91.  
MIN HUMIDITY........10-15 PERCENT.  
20-FOOT WINDS.......  
LOWER ELEVATION......WEST WINDS 10 TO 20 MPH.  
RIDGE............WEST WINDS 10 TO 20 MPH.  
HAINES INDEX........6 HIGH.  
LAL.................1.  
CWR (> 0.10 INCH)...ZERO.  
   
FRIDAY NIGHT
 
 
SKY/WEATHER.........MOSTLY CLEAR (10-20 PERCENT).  
MIN TEMPERATURE.....56-61.  
MAX HUMIDITY........53-58 PERCENT.  
20-FOOT WINDS.......  
LOWER ELEVATION......WEST WINDS 10 TO 20 MPH DECREASING TO 5 TO  
10 MPH IN THE LATE EVENING.  
RIDGE............WEST WINDS 10 TO 20 MPH DECREASING TO 5 TO 10  
MPH IN THE LATE EVENING.  
LAL.................1.  
CWR (> 0.10 INCH)...ZERO.  
   
SATURDAY
 
 
SKY/WEATHER.........SUNNY (10-20 PERCENT).  
MAX TEMPERATURE.....85-90.  
MIN HUMIDITY........17-22 PERCENT.  
20-FOOT WINDS.......  
LOWER ELEVATION......NORTHWEST WINDS 5 TO 15 MPH.  
RIDGE............NORTHWEST WINDS 5 TO 15 MPH.  
HAINES INDEX........6 HIGH.  
LAL.................1.  
CWR (> 0.10 INCH)...ZERO.  
 
   
FORECAST DAYS 3 THROUGH 7...
 
   
SUNDAY
 
MOSTLY CLEAR. LOWS AROUND 60. HIGHS IN THE LOWER 90S.  
SOUTHEAST WINDS 5 TO 15 MPH.    
MONDAY
 
MOSTLY CLEAR. LOWS IN THE MID 60S. HIGHS IN THE MID  
90S. SOUTH WINDS 5 TO 15 MPH.    
TUESDAY
 
PARTLY CLOUDY. LOWS IN THE MID 60S. HIGHS IN THE LOWER  
90S. NORTHEAST WINDS 5 TO 15 MPH.    
WEDNESDAY
 
PARTLY CLOUDY. A SLIGHT CHANCE OF SHOWERS. LOWS IN  
THE MID 60S. HIGHS AROUND 90.    
THURSDAY
 
PARTLY CLOUDY. A SLIGHT CHANCE OF SHOWERS AND  
THUNDERSTORMS. LOWS IN THE MID 60S. HIGHS IN THE LOWER 90S.  
 

 
 
MTZ137-211030-  
SOUTHERN PETROLEUM AND SOUTHERN GARFIELD COUNTIES-  
548 PM MDT THU JUL 20 2017  
 
...RED FLAG WARNING IN EFFECT UNTIL 9 PM MDT FRIDAY FOR  
LOW RELATIVE HUMIDITY AND GUSTY WIND...  
   
TONIGHT
 
 
SKY/WEATHER.........PARTLY CLOUDY (35-45 PERCENT). ISOLATED SHOWERS  
AFTER MIDNIGHT.  
MIN TEMPERATURE.....62-67.  
MAX HUMIDITY........51-56 PERCENT.  
20-FOOT WINDS.......  
LOWER ELEVATION......NORTH WINDS 5 TO 15 MPH EARLY IN THE  
EVENING BECOMING NORTHWEST 10 TO 20 MPH  
LATE IN THE NIGHT.  
RIDGE............NORTHWEST WINDS 10 TO 20 MPH.  
LAL.................1.  
CWR (> 0.10 INCH)...ZERO.  
   
FRIDAY
 
 
SKY/WEATHER.........SUNNY (15-25 PERCENT).  
MAX TEMPERATURE.....87-92.  
MIN HUMIDITY........8-13 PERCENT.  
20-FOOT WINDS.......  
LOWER ELEVATION......NORTHWEST WINDS 10 TO 20 MPH.  
RIDGE............NORTHWEST WINDS 10 TO 20 MPH.  
HAINES INDEX........6 HIGH.  
LAL.................1.  
CWR (> 0.10 INCH)...ZERO.  
   
FRIDAY NIGHT
 
 
SKY/WEATHER.........MOSTLY CLEAR (10-20 PERCENT).  
MIN TEMPERATURE.....55-60.  
MAX HUMIDITY........48-53 PERCENT.  
20-FOOT WINDS.......  
LOWER ELEVATION......WEST WINDS 5 TO 15 MPH.  
RIDGE............WEST WINDS 5 TO 15 MPH.  
LAL.................1.  
CWR (> 0.10 INCH)...ZERO.  
   
SATURDAY
 
 
SKY/WEATHER.........SUNNY (10-20 PERCENT).  
MAX TEMPERATURE.....86-91.  
MIN HUMIDITY........14-19 PERCENT.  
20-FOOT WINDS.......  
LOWER ELEVATION......NORTHWEST WINDS 5 TO 15 MPH.  
RIDGE............NORTHWEST WINDS 5 TO 15 MPH.  
HAINES INDEX........6 HIGH.  
LAL.................1.  
CWR (> 0.10 INCH)...ZERO.  
 
   
FORECAST DAYS 3 THROUGH 7...
 
   
SUNDAY
 
MOSTLY CLEAR. LOWS AROUND 60. HIGHS IN THE LOWER 90S.  
SOUTHEAST WINDS 10 TO 15 MPH.    
MONDAY
 
MOSTLY CLEAR. LOWS IN THE MID 60S. HIGHS IN THE MID  
90S. SOUTH WINDS 5 TO 15 MPH.    
TUESDAY
 
PARTLY CLOUDY. A SLIGHT CHANCE OF SHOWERS. LOWS IN THE  
MID 60S. HIGHS IN THE LOWER 90S. NORTHEAST WINDS 5 TO 15 MPH.    
WEDNESDAY
 
PARTLY CLOUDY. A SLIGHT CHANCE OF SHOWERS. LOWS IN  
THE MID 60S. HIGHS IN THE LOWER 90S.    
THURSDAY
 
PARTLY CLOUDY. A SLIGHT CHANCE OF SHOWERS AND  
THUNDERSTORMS. LOWS IN THE MID 60S. HIGHS IN THE LOWER 90S.  
 

 
 
MTZ120-211030-  
FORT PECK RESERVATION AND DANIELS/ROOSEVELT/SHERIDAN COUNTIES-  
548 PM MDT THU JUL 20 2017  
 
...RED FLAG WARNING IN EFFECT UNTIL 9 PM MDT FRIDAY FOR  
LOW RELATIVE HUMIDITY AND GUSTY WIND...  
   
TONIGHT
 
 
SKY/WEATHER.........PARTLY CLOUDY (25-35 PERCENT). SCATTERED  
SHOWERS AND THUNDERSTORMS EARLY IN THE EVENING,  
THEN ISOLATED SHOWERS AND THUNDERSTORMS IN THE  
LATE EVENING AND OVERNIGHT.  
MIN TEMPERATURE.....59-64.  
MAX HUMIDITY........83-88 PERCENT.  
20-FOOT WINDS.......NORTHEAST WINDS 5 TO 15 MPH.  
LAL.................3.  
CWR (> 0.10 INCH)...10 PERCENT.  
   
FRIDAY
 
 
SKY/WEATHER.........PARTLY CLOUDY (35-45 PERCENT) THEN BECOMING  
SUNNY (15-25 PERCENT).  
MAX TEMPERATURE.....84-89.  
MIN HUMIDITY........17-22 PERCENT.  
20-FOOT WINDS.......WEST WINDS 5 TO 15 MPH.  
HAINES INDEX........6 HIGH.  
LAL.................1.  
CWR (> 0.10 INCH)...ZERO.  
   
FRIDAY NIGHT
 
 
SKY/WEATHER.........MOSTLY CLEAR (5-15 PERCENT).  
MIN TEMPERATURE.....53-58.  
MAX HUMIDITY........70-75 PERCENT.  
20-FOOT WINDS.......NORTHWEST WINDS 5 TO 15 MPH.  
LAL.................1.  
CWR (> 0.10 INCH)...ZERO.  
   
SATURDAY
 
 
SKY/WEATHER.........SUNNY (10-20 PERCENT).  
MAX TEMPERATURE.....81-86.  
MIN HUMIDITY........28-33 PERCENT.  
20-FOOT WINDS.......NORTHWEST WINDS 10 TO 20 MPH.  
HAINES INDEX........5 MODERATE.  
LAL.................1.  
CWR (> 0.10 INCH)...ZERO.  
 
   
FORECAST DAYS 3 THROUGH 7...
 
   
SUNDAY
 
MOSTLY CLEAR. LOWS IN THE MID 50S. HIGHS IN THE UPPER  
80S. SOUTHEAST WINDS 5 TO 15 MPH.    
MONDAY
 
MOSTLY CLEAR. LOWS IN THE LOWER 60S. HIGHS AROUND 90.  
SOUTH WINDS 5 TO 15 MPH.    
TUESDAY
 
PARTLY CLOUDY. LOWS AROUND 60. HIGHS IN THE UPPER 80S.  
NORTHEAST WINDS 5 TO 15 MPH.    
WEDNESDAY
 
PARTLY CLOUDY. LOWS AROUND 60. HIGHS IN THE UPPER  
80S.    
THURSDAY
 
PARTLY CLOUDY. LOWS IN THE LOWER 60S. HIGHS IN THE  
UPPER 80S.  
 

 
 
MTZ122-211030-  
DAWSON/MCCONE/PRAIRIE/RICHLAND/WIBAUX COUNTIES-  
548 PM MDT THU JUL 20 2017  
 
...RED FLAG WARNING IN EFFECT UNTIL 9 PM MDT FRIDAY FOR  
LOW RELATIVE HUMIDITY AND GUSTY WIND...  
   
TONIGHT
 
 
SKY/WEATHER.........PARTLY CLOUDY (30-40 PERCENT). ISOLATED  
THUNDERSTORMS IN THE EVENING. ISOLATED SHOWERS  
THROUGH THE NIGHT. ISOLATED THUNDERSTORMS AFTER  
MIDNIGHT.  
MIN TEMPERATURE.....63-68.  
MAX HUMIDITY........73-78 PERCENT.  
20-FOOT WINDS.......NORTHEAST WINDS 10 TO 20 MPH BECOMING  
SOUTHEAST 5 TO 10 MPH AFTER  
MIDNIGHT, THEN BECOMING SOUTHWEST  
LATE IN THE NIGHT.  
LAL.................3 UNTIL 2400, THEN 2.  
 
CWR (> 0.10 INCH)...LESS THAN 10 PERCENT.  
   
FRIDAY
 
 
SKY/WEATHER.........PARTLY CLOUDY (30-40 PERCENT) THEN BECOMING  
SUNNY (10-20 PERCENT). ISOLATED SHOWERS AND  
THUNDERSTORMS IN THE MORNING.  
MAX TEMPERATURE.....87-92.  
MIN HUMIDITY........14-19 PERCENT.  
20-FOOT WINDS.......NORTHWEST WINDS 10 TO 20 MPH.  
HAINES INDEX........6 HIGH.  
LAL.................2 UNTIL 1200, THEN 1.  
CWR (> 0.10 INCH)...ZERO.  
   
FRIDAY NIGHT
 
 
SKY/WEATHER.........MOSTLY CLEAR (5-15 PERCENT).  
MIN TEMPERATURE.....55-60.  
MAX HUMIDITY........56-61 PERCENT.  
20-FOOT WINDS.......WEST WINDS 5 TO 15 MPH.  
LAL.................1.  
CWR (> 0.10 INCH)...ZERO.  
   
SATURDAY
 
 
SKY/WEATHER.........SUNNY (10-20 PERCENT).  
MAX TEMPERATURE.....84-89.  
MIN HUMIDITY........22-27 PERCENT.  
20-FOOT WINDS.......NORTHWEST WINDS 5 TO 15 MPH.  
HAINES INDEX........6 HIGH.  
LAL.................1.  
CWR (> 0.10 INCH)...ZERO.  
 
   
FORECAST DAYS 3 THROUGH 7...
 
   
SUNDAY
 
MOSTLY CLEAR. LOWS IN THE UPPER 50S. HIGHS IN THE UPPER  
80S. EAST WINDS 5 TO 15 MPH.    
MONDAY
 
MOSTLY CLEAR. LOWS IN THE MID 60S. HIGHS IN THE LOWER  
90S. SOUTHEAST WINDS 5 TO 15 MPH.    
TUESDAY
 
PARTLY CLOUDY. LOWS IN THE MID 60S. HIGHS IN THE LOWER  
90S. NORTHEAST WINDS 10 TO 15 MPH.    
WEDNESDAY
 
PARTLY CLOUDY. A SLIGHT CHANCE OF SHOWERS. LOWS IN  
THE LOWER 60S. HIGHS IN THE UPPER 80S.    
THURSDAY
 
PARTLY CLOUDY. A SLIGHT CHANCE OF SHOWERS. LOWS IN  
THE LOWER 60S. HIGHS AROUND 90.  
 

 
 
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