717  
FNUS55 KCYS 191929  
FWFCYS  
 
FIRE WEATHER PLANNING FORECAST FOR SOUTHEAST WYOMING/WESTERN NEBRASKA  
NATIONAL WEATHER SERVICE CHEYENNE WY  
129 PM MDT FRI OCT 19 2018  
   
DISCUSSION
 
DESPITE THE DRY AND WARM WEATHER THIS WEEKEND, MINIMUM  
HUMIDITIES AND WINDS WILL BE NON-CRITICAL. ABOVE NORMAL TEMPERATURES  
WILL CONTINUE NEXT WEEK WITH SLIGHT CHANCES FOR SHOWERS.  
 
WYZ301-201015-  
NIOBRARA/LOWER ELEVATIONS OF CONVERSE/THUNDER BASIN NATIONAL  
GRASSLAND-  
129 PM MDT FRI OCT 19 2018  
   
TONIGHT
 
 
SKY/WEATHER.........CLEAR.  
MIN TEMPERATURE.....32-37.  
24 HR TREND......4 DEGREES COOLER.  
MAX HUMIDITY........71-77 PERCENT.  
24 HR TREND......5 PERCENT WETTER.  
HUMIDITY RECOVERY...GOOD.  
20-FOOT WINDS.......WEST AROUND 5 MPH.  
LAL.................1.  
CHC OF WETTING RAIN.ZERO PERCENT.  
TRANSPORT WINDS.....NORTHWEST 5 TO 10 MPH.  
MIXING HEIGHT.......0-1500 FT AGL.  
SMOKE DISPERSAL.....POOR (1000-9300 KNOT-FT).  
HAINES INDEX........2 OR VERY LOW POTENTIAL FOR LARGE PLUME  
DOMINATED FIRE GROWTH.  
   
SATURDAY
 
 
SKY/WEATHER.........SUNNY.  
MAX TEMPERATURE.....64-69.  
24 HR TREND......3 DEGREES WARMER.  
MIN HUMIDITY........23-29 PERCENT.  
24 HR TREND......1 PERCENT WETTER.  
20-FOOT WINDS.......SOUTHWEST AROUND 5 MPH SHIFTING TO THE SOUTH IN  
THE AFTERNOON.  
LAL.................1.  
CHC OF WETTING RAIN.ZERO PERCENT.  
TRANSPORT WINDS.....SOUTHWEST 5 TO 10 MPH.  
MIXING HEIGHT.......700-1200 FT AGL INCREASING TO 3900-4700 FT AGL  
IN THE AFTERNOON.  
SMOKE DISPERSAL.....POOR (3300-35000 KNOT-FT).  
HAINES INDEX........2 OR VERY LOW POTENTIAL FOR LARGE PLUME  
DOMINATED FIRE GROWTH.  
   
SATURDAY NIGHT
 
 
SKY/WEATHER.........CLEAR.  
MIN TEMPERATURE.....37-42.  
24 HR TREND......6 DEGREES WARMER.  
MAX HUMIDITY........65-71 PERCENT.  
24 HR TREND......5 PERCENT DRIER.  
HUMIDITY RECOVERY...FAIR.  
20-FOOT WINDS.......SOUTHWEST AROUND 5 MPH.  
LAL.................1.  
CHC OF WETTING RAIN.ZERO PERCENT.  
TRANSPORT WINDS.....SOUTHWEST AROUND 15 MPH.  
MIXING HEIGHT.......100-900 FT AGL.  
SMOKE DISPERSAL.....POOR (4300-7500 KNOT-FT).  
HAINES INDEX........3 OR VERY LOW POTENTIAL FOR LARGE PLUME  
DOMINATED FIRE GROWTH.  
   
SUNDAY
 
 
SKY/WEATHER.........SUNNY.  
MAX TEMPERATURE.....66-71.  
24 HR TREND......2 DEGREES WARMER.  
MIN HUMIDITY........23-29 PERCENT.  
24 HR TREND......2 PERCENT WETTER.  
20-FOOT WINDS.......NORTHWEST 5 TO 10 MPH AND GUSTY.  
LAL.................1.  
CHC OF WETTING RAIN.ZERO PERCENT.  
TRANSPORT WINDS.....NORTHWEST 10 TO 15 MPH.  
MIXING HEIGHT.......600 FT AGL INCREASING TO 5200-6400 FT AGL IN  
THE AFTERNOON.  
SMOKE DISPERSAL.....POOR (8600-39600 KNOT-FT).  
HAINES INDEX........4 OR LOW POTENTIAL FOR LARGE PLUME DOMINATED  
FIRE GROWTH.  
   
FORECAST DAYS 3 THROUGH 7
 
   
MONDAY
 
MOSTLY CLEAR. LOWS IN THE UPPER 30S. HIGHS IN THE LOWER  
60S. WINDS GENERALLY LESS THAN 10 MPH.    
TUESDAY
 
PARTLY CLOUDY. LOWS IN THE UPPER 30S. HIGHS IN THE  
LOWER 60S. WINDS GENERALLY LESS THAN 10 MPH.    
WEDNESDAY
 
PARTLY CLOUDY. LOWS IN THE UPPER 30S. HIGHS AROUND  
60. SOUTHWEST WINDS AROUND 10 MPH.    
THURSDAY
 
MOSTLY CLEAR. LOWS IN THE UPPER 30S. HIGHS IN THE  
LOWER 60S.    
FRIDAY
 
PARTLY CLOUDY WITH SLIGHT CHANCE OF SHOWERS. LOWS IN  
THE UPPER 30S. HIGHS IN THE UPPER 50S.  
 

 
 
WYZ302-201015-  
NORTH LARAMIE RANGE/MEDICINE BOW NF-  
129 PM MDT FRI OCT 19 2018  
   
TONIGHT
 
 
SKY/WEATHER.........CLEAR.  
MIN TEMPERATURE.....33-38.  
24 HR TREND......1 DEGREE COOLER.  
MAX HUMIDITY........57-63 PERCENT.  
24 HR TREND......UNCHANGED.  
HUMIDITY RECOVERY...FAIR.  
20-FOOT WINDS.......WEST AROUND 5 MPH.  
LAL.................1.  
CHC OF WETTING RAIN.ZERO PERCENT.  
TRANSPORT WINDS.....NORTHWEST 10 TO 15 MPH.  
MIXING HEIGHT.......300-1500 FT AGL.  
SMOKE DISPERSAL.....POOR (4400-13400 KNOT-FT).  
HAINES INDEX........2 OR VERY LOW POTENTIAL FOR LARGE PLUME  
DOMINATED FIRE GROWTH.  
   
SATURDAY
 
 
SKY/WEATHER.........SUNNY.  
MAX TEMPERATURE.....57-63.  
24 HR TREND......3 DEGREES WARMER.  
MIN HUMIDITY........24-30 PERCENT.  
24 HR TREND......1 PERCENT WETTER.  
20-FOOT WINDS.......SOUTHWEST AROUND 5 MPH AND GUSTY.  
LAL.................1.  
CHC OF WETTING RAIN.ZERO PERCENT.  
TRANSPORT WINDS.....WEST AROUND 10 MPH.  
MIXING HEIGHT.......700-1200 FT AGL INCREASING TO 4700-5300 FT AGL  
IN THE AFTERNOON.  
SMOKE DISPERSAL.....POOR (7300-38100 KNOT-FT).  
HAINES INDEX........2 OR VERY LOW POTENTIAL FOR LARGE PLUME  
DOMINATED FIRE GROWTH.  
   
SATURDAY NIGHT
 
 
SKY/WEATHER.........CLEAR.  
MIN TEMPERATURE.....37-43.  
24 HR TREND......6 DEGREES WARMER.  
MAX HUMIDITY........57-63 PERCENT.  
24 HR TREND......2 PERCENT DRIER.  
HUMIDITY RECOVERY...FAIR.  
20-FOOT WINDS.......SOUTHWEST 5 TO 10 MPH. GUSTS UP TO 15 MPH  
INCREASING TO 30 MPH AFTER MIDNIGHT.  
LAL.................1.  
CHC OF WETTING RAIN.ZERO PERCENT.  
TRANSPORT WINDS.....SOUTHWEST 10 TO 15 MPH.  
MIXING HEIGHT.......200-1300 FT AGL.  
SMOKE DISPERSAL.....POOR (6300-9800 KNOT-FT).  
HAINES INDEX........3 OR VERY LOW POTENTIAL FOR LARGE PLUME  
DOMINATED FIRE GROWTH.  
   
SUNDAY
 
 
SKY/WEATHER.........SUNNY.  
MAX TEMPERATURE.....57-65.  
24 HR TREND......1 DEGREE WARMER.  
MIN HUMIDITY........26-32 PERCENT.  
24 HR TREND......3 PERCENT WETTER.  
20-FOOT WINDS.......WEST 10 TO 15 MPH WITH HIGHER GUSTS.  
LAL.................1.  
CHC OF WETTING RAIN.ZERO PERCENT.  
TRANSPORT WINDS.....WEST AROUND 20 MPH DECREASING TO AROUND 10 MPH  
IN THE AFTERNOON.  
MIXING HEIGHT.......600-1200 FT AGL INCREASING TO 6000-6500 FT AGL  
IN THE AFTERNOON.  
SMOKE DISPERSAL.....POOR TO FAIR (17500-58600 KNOT-FT).  
HAINES INDEX........3 OR VERY LOW POTENTIAL FOR LARGE PLUME  
DOMINATED FIRE GROWTH.  
   
FORECAST DAYS 3 THROUGH 7
 
   
MONDAY
 
MOSTLY CLEAR. LOWS IN THE UPPER 30S. HIGHS IN THE UPPER  
50S. WINDS GENERALLY LESS THAN 10 MPH.    
TUESDAY
 
PARTLY CLOUDY. LOWS IN THE MID 30S. HIGHS IN THE UPPER  
50S. WINDS GENERALLY LESS THAN 10 MPH.    
WEDNESDAY
 
PARTLY CLOUDY. LOWS IN THE MID 30S. HIGHS IN THE MID  
50S. SOUTHWEST WINDS AROUND 10 MPH.    
THURSDAY
 
MOSTLY CLEAR. LOWS IN THE MID 30S. HIGHS IN THE MID  
50S.    
FRIDAY
 
PARTLY CLOUDY WITH SLIGHT CHANCE OF SHOWERS. LOWS IN  
THE MID 30S. HIGHS IN THE LOWER 50S.  
 

 
 
WYZ303-201015-  
CENTRAL AND NORTHERN CARBON/FERRIS-SEMINOE-SHIRLEY MOUNTAINS-  
129 PM MDT FRI OCT 19 2018  
   
TONIGHT
 
 
SKY/WEATHER.........CLEAR.  
MIN TEMPERATURE.....30-35.  
24 HR TREND......UNCHANGED.  
MAX HUMIDITY........67-73 PERCENT.  
24 HR TREND......20 PERCENT DRIER.  
HUMIDITY RECOVERY...GOOD.  
20-FOOT WINDS.......SOUTHWEST AROUND 5 MPH.  
LAL.................1.  
CHC OF WETTING RAIN.ZERO PERCENT.  
TRANSPORT WINDS.....WEST 5 TO 10 MPH.  
MIXING HEIGHT.......100-1400 FT AGL.  
SMOKE DISPERSAL.....POOR (2400-10500 KNOT-FT).  
HAINES INDEX........2 OR VERY LOW POTENTIAL FOR LARGE PLUME  
DOMINATED FIRE GROWTH.  
   
SATURDAY
 
 
SKY/WEATHER.........SUNNY.  
MAX TEMPERATURE.....59-64.  
24 HR TREND......6 DEGREES WARMER.  
MIN HUMIDITY........22-28 PERCENT.  
24 HR TREND......1 PERCENT DRIER.  
20-FOOT WINDS.......SOUTHWEST AROUND 5 MPH AND GUSTY.  
LAL.................1.  
CHC OF WETTING RAIN.ZERO PERCENT.  
TRANSPORT WINDS.....SOUTHWEST AROUND 5 MPH.  
MIXING HEIGHT.......600-1200 FT AGL INCREASING TO 4100-5100 FT AGL  
IN THE AFTERNOON.  
SMOKE DISPERSAL.....POOR (4200-22200 KNOT-FT).  
HAINES INDEX........2 OR VERY LOW POTENTIAL FOR LARGE PLUME  
DOMINATED FIRE GROWTH.  
   
SATURDAY NIGHT
 
 
SKY/WEATHER.........CLEAR.  
MIN TEMPERATURE.....33-38.  
24 HR TREND......3 DEGREES WARMER.  
MAX HUMIDITY........69-75 PERCENT.  
24 HR TREND......UNCHANGED.  
HUMIDITY RECOVERY...GOOD.  
20-FOOT WINDS.......SOUTHWEST 5 TO 10 MPH.  
LAL.................1.  
CHC OF WETTING RAIN.ZERO PERCENT.  
TRANSPORT WINDS.....SOUTHWEST 10 TO 15 MPH.  
MIXING HEIGHT.......200-1500 FT AGL.  
SMOKE DISPERSAL.....POOR (5200-8400 KNOT-FT).  
HAINES INDEX........3 OR VERY LOW POTENTIAL FOR LARGE PLUME  
DOMINATED FIRE GROWTH.  
   
SUNDAY
 
 
SKY/WEATHER.........MOSTLY SUNNY.  
MAX TEMPERATURE.....59-64.  
24 HR TREND......1 DEGREE COOLER.  
MIN HUMIDITY........28-34 PERCENT.  
24 HR TREND......5 PERCENT WETTER.  
20-FOOT WINDS.......SOUTHWEST 10 TO 15 MPH WITH HIGHER GUSTS.  
LAL.................1.  
CHC OF WETTING RAIN.ZERO PERCENT.  
TRANSPORT WINDS.....WEST AROUND 20 MPH.  
MIXING HEIGHT.......700-1500 FT AGL INCREASING TO 5600-6100 FT AGL  
IN THE AFTERNOON.  
SMOKE DISPERSAL.....POOR (19500 KNOT-FT) INCREASING TO GOOD (91300  
KNOT-FT) IN THE AFTERNOON.  
HAINES INDEX........2 OR VERY LOW POTENTIAL FOR LARGE PLUME  
DOMINATED FIRE GROWTH.  
   
FORECAST DAYS 3 THROUGH 7
 
   
MONDAY
 
PARTLY CLOUDY. LOWS IN THE MID 30S. HIGHS IN THE UPPER  
50S. WINDS GENERALLY LESS THAN 10 MPH.    
TUESDAY
 
PARTLY CLOUDY. LOWS IN THE MID 30S. HIGHS IN THE MID  
50S. WINDS GENERALLY LESS THAN 10 MPH.    
WEDNESDAY
 
PARTLY CLOUDY. LOWS IN THE MID 30S. HIGHS IN THE MID  
50S. SOUTHWEST WINDS AROUND 10 MPH.    
THURSDAY
 
MOSTLY CLEAR. LOWS IN THE LOWER 30S. HIGHS IN THE MID  
50S.    
FRIDAY
 
PARTLY CLOUDY. LOWS IN THE MID 30S. HIGHS IN THE LOWER  
50S.  
 

 
 
WYZ304-201015-  
SOUTHWEST CARBON COUNTY-  
129 PM MDT FRI OCT 19 2018  
   
TONIGHT
 
 
SKY/WEATHER.........CLEAR.  
MIN TEMPERATURE.....29-34.  
24 HR TREND......1 DEGREE WARMER.  
MAX HUMIDITY........78-84 PERCENT.  
24 HR TREND......19 PERCENT DRIER.  
HUMIDITY RECOVERY...GOOD.  
20-FOOT WINDS.......SOUTHWEST AROUND 5 MPH SHIFTING TO THE  
SOUTHEAST AFTER MIDNIGHT.  
LAL.................1.  
CHC OF WETTING RAIN.ZERO PERCENT.  
TRANSPORT WINDS.....SOUTHWEST AROUND 5 MPH SHIFTING TO THE  
SOUTHEAST AFTER MIDNIGHT.  
MIXING HEIGHT.......300-1500 FT AGL.  
SMOKE DISPERSAL.....POOR (1900-4600 KNOT-FT).  
HAINES INDEX........2 OR VERY LOW POTENTIAL FOR LARGE PLUME  
DOMINATED FIRE GROWTH.  
   
SATURDAY
 
 
SKY/WEATHER.........SUNNY.  
MAX TEMPERATURE.....60-65.  
24 HR TREND......4 DEGREES WARMER.  
MIN HUMIDITY........23-29 PERCENT.  
24 HR TREND......1 PERCENT DRIER.  
20-FOOT WINDS.......SOUTH AROUND 5 MPH AND GUSTY.  
LAL.................1.  
CHC OF WETTING RAIN.ZERO PERCENT.  
TRANSPORT WINDS.....SOUTH AROUND 5 MPH.  
MIXING HEIGHT.......500-1000 FT AGL INCREASING TO 4700-5200 FT AGL  
IN THE AFTERNOON.  
SMOKE DISPERSAL.....POOR (2600-23300 KNOT-FT).  
HAINES INDEX........2 OR VERY LOW POTENTIAL FOR LARGE PLUME  
DOMINATED FIRE GROWTH.  
   
SATURDAY NIGHT
 
 
SKY/WEATHER.........CLEAR.  
MIN TEMPERATURE.....31-36.  
24 HR TREND......2 DEGREES WARMER.  
MAX HUMIDITY........76-82 PERCENT.  
24 HR TREND......1 PERCENT WETTER.  
HUMIDITY RECOVERY...GOOD.  
20-FOOT WINDS.......SOUTH AROUND 5 MPH.  
LAL.................1.  
CHC OF WETTING RAIN.ZERO PERCENT.  
TRANSPORT WINDS.....SOUTH 5 TO 10 MPH.  
MIXING HEIGHT.......300-1700 FT AGL.  
SMOKE DISPERSAL.....POOR (4900-8300 KNOT-FT).  
HAINES INDEX........3 OR VERY LOW POTENTIAL FOR LARGE PLUME  
DOMINATED FIRE GROWTH.  
   
SUNDAY
 
 
SKY/WEATHER.........MOSTLY SUNNY.  
MAX TEMPERATURE.....60-65.  
24 HR TREND......UNCHANGED.  
MIN HUMIDITY........28-34 PERCENT.  
24 HR TREND......6 PERCENT WETTER.  
20-FOOT WINDS.......SOUTHWEST AROUND 10 MPH AND GUSTY.  
LAL.................1.  
CHC OF WETTING RAIN.ZERO PERCENT.  
TRANSPORT WINDS.....SOUTHWEST AROUND 15 MPH.  
MIXING HEIGHT.......400-1200 FT AGL INCREASING TO 5800 FT AGL IN  
THE AFTERNOON.  
SMOKE DISPERSAL.....POOR (9300 KNOT-FT) INCREASING TO GOOD (66600  
KNOT-FT) IN THE AFTERNOON.  
HAINES INDEX........2 OR VERY LOW POTENTIAL FOR LARGE PLUME  
DOMINATED FIRE GROWTH.  
   
FORECAST DAYS 3 THROUGH 7
 
   
MONDAY
 
PARTLY CLOUDY. LOWS IN THE MID 30S. HIGHS AROUND 60.  
WINDS GENERALLY LESS THAN 10 MPH.    
TUESDAY
 
PARTLY CLOUDY. LOWS IN THE MID 30S. HIGHS IN THE UPPER  
50S. WINDS GENERALLY LESS THAN 10 MPH.    
WEDNESDAY
 
PARTLY CLOUDY WITH SLIGHT CHANCE OF SHOWERS. LOWS IN  
THE MID 30S. HIGHS IN THE MID 50S. WINDS GENERALLY LESS THAN  
10 MPH.    
THURSDAY
 
MOSTLY CLEAR. LOWS IN THE LOWER 30S. HIGHS IN THE MID  
50S.    
FRIDAY
 
PARTLY CLOUDY. LOWS IN THE MID 30S. HIGHS IN THE MID  
50S.  
 

 
 
WYZ305-201015-  
SIERRA MADRE RANGE/MEDICINE BOW NF-  
129 PM MDT FRI OCT 19 2018  
   
TONIGHT
 
 
SKY/WEATHER.........CLEAR.  
MIN TEMPERATURE.....30-35.  
24 HR TREND......2 DEGREES WARMER.  
MAX HUMIDITY........61-67 PERCENT.  
24 HR TREND......27 PERCENT DRIER.  
HUMIDITY RECOVERY...FAIR.  
20-FOOT WINDS.......WEST AROUND 5 MPH SHIFTING TO THE SOUTHEAST  
AFTER MIDNIGHT.  
LAL.................1.  
CHC OF WETTING RAIN.ZERO PERCENT.  
TRANSPORT WINDS.....NORTHWEST AROUND 5 MPH.  
MIXING HEIGHT.......700-1700 FT AGL.  
SMOKE DISPERSAL.....POOR (3500-6100 KNOT-FT).  
HAINES INDEX........2 OR VERY LOW POTENTIAL FOR LARGE PLUME  
DOMINATED FIRE GROWTH.  
   
SATURDAY
 
 
SKY/WEATHER.........SUNNY.  
MAX TEMPERATURE.....53-59.  
24 HR TREND......3 DEGREES WARMER.  
MIN HUMIDITY........23-29 PERCENT.  
24 HR TREND......2 PERCENT DRIER.  
20-FOOT WINDS.......SOUTH AROUND 5 MPH.  
LAL.................1.  
CHC OF WETTING RAIN.ZERO PERCENT.  
TRANSPORT WINDS.....SOUTH AROUND 5 MPH.  
MIXING HEIGHT.......1100-1600 FT AGL INCREASING TO 5000 FT AGL IN  
THE AFTERNOON.  
SMOKE DISPERSAL.....POOR (3100-11800 KNOT-FT).  
HAINES INDEX........2 OR VERY LOW POTENTIAL FOR LARGE PLUME  
DOMINATED FIRE GROWTH.  
   
SATURDAY NIGHT
 
 
SKY/WEATHER.........CLEAR.  
MIN TEMPERATURE.....31-36.  
24 HR TREND......UNCHANGED.  
MAX HUMIDITY........62-68 PERCENT.  
24 HR TREND......3 PERCENT DRIER.  
HUMIDITY RECOVERY...FAIR.  
20-FOOT WINDS.......SOUTHWEST AROUND 5 MPH.  
LAL.................1.  
CHC OF WETTING RAIN.ZERO PERCENT.  
TRANSPORT WINDS.....SOUTHWEST 5 TO 10 MPH.  
MIXING HEIGHT.......700-1600 FT AGL.  
SMOKE DISPERSAL.....POOR (5700-9600 KNOT-FT).  
HAINES INDEX........2 OR VERY LOW POTENTIAL FOR LARGE PLUME  
DOMINATED FIRE GROWTH.  
   
SUNDAY
 
 
SKY/WEATHER.........MOSTLY SUNNY.  
MAX TEMPERATURE.....52-60.  
24 HR TREND......UNCHANGED.  
MIN HUMIDITY........34-40 PERCENT.  
24 HR TREND......8 PERCENT WETTER.  
20-FOOT WINDS.......SOUTHWEST AROUND 10 MPH AND GUSTY.  
LAL.................1.  
CHC OF WETTING RAIN.ZERO PERCENT.  
TRANSPORT WINDS.....SOUTHWEST 15 TO 20 MPH.  
MIXING HEIGHT.......1600-2300 FT AGL INCREASING TO 4700-5600 FT AGL  
IN THE AFTERNOON.  
SMOKE DISPERSAL.....POOR TO GOOD (33900-66200 KNOT-FT).  
HAINES INDEX........2 OR VERY LOW POTENTIAL FOR LARGE PLUME  
DOMINATED FIRE GROWTH.  
   
FORECAST DAYS 3 THROUGH 7
 
   
MONDAY
 
PARTLY CLOUDY WITH ISOLATED SHOWERS. LOWS IN THE MID  
30S. HIGHS IN THE MID 50S. WINDS GENERALLY LESS THAN 10 MPH.    
TUESDAY
 
MOSTLY CLOUDY. SLIGHT CHANCE OF SHOWERS. LOWS IN THE  
LOWER 30S. HIGHS IN THE LOWER 50S. WINDS GENERALLY LESS THAN  
10 MPH.    
WEDNESDAY
 
MOSTLY CLOUDY WITH CHANCE OF SHOWERS. LOWS IN THE  
LOWER 30S. HIGHS IN THE UPPER 40S. WINDS GENERALLY LESS THAN  
10 MPH.    
THURSDAY
 
PARTLY CLOUDY WITH SLIGHT CHANCE OF SHOWERS. LOWS IN  
THE LOWER 30S. HIGHS IN THE LOWER 50S.    
FRIDAY
 
PARTLY CLOUDY WITH SLIGHT CHANCE OF SHOWERS. LOWS IN  
THE LOWER 30S. HIGHS IN THE UPPER 40S.  
 

 
 
WYZ306-201015-  
UPPER NORTH PLATTE RIVER BASIN-  
129 PM MDT FRI OCT 19 2018  
   
TONIGHT
 
 
SKY/WEATHER.........CLEAR.  
MIN TEMPERATURE.....28-33.  
24 HR TREND......2 DEGREES WARMER.  
MAX HUMIDITY........66-72 PERCENT.  
24 HR TREND......28 PERCENT DRIER.  
HUMIDITY RECOVERY...FAIR.  
20-FOOT WINDS.......WEST AROUND 5 MPH SHIFTING TO THE SOUTH AFTER  
MIDNIGHT.  
LAL.................1.  
CHC OF WETTING RAIN.ZERO PERCENT.  
TRANSPORT WINDS.....WEST AROUND 5 MPH SHIFTING TO THE SOUTH AFTER  
MIDNIGHT.  
MIXING HEIGHT.......600-1400 FT AGL.  
SMOKE DISPERSAL.....POOR (3600-5800 KNOT-FT).  
HAINES INDEX........2 OR VERY LOW POTENTIAL FOR LARGE PLUME  
DOMINATED FIRE GROWTH.  
   
SATURDAY
 
 
SKY/WEATHER.........SUNNY.  
MAX TEMPERATURE.....58-63.  
24 HR TREND......3 DEGREES WARMER.  
MIN HUMIDITY........20-26 PERCENT.  
24 HR TREND......2 PERCENT DRIER.  
20-FOOT WINDS.......SOUTH AROUND 5 MPH.  
LAL.................1.  
CHC OF WETTING RAIN.ZERO PERCENT.  
TRANSPORT WINDS.....SOUTH AROUND 5 MPH.  
MIXING HEIGHT.......900-1400 FT AGL INCREASING TO 5000 FT AGL IN  
THE AFTERNOON.  
SMOKE DISPERSAL.....POOR (4300-11700 KNOT-FT).  
HAINES INDEX........2 OR VERY LOW POTENTIAL FOR LARGE PLUME  
DOMINATED FIRE GROWTH.  
   
SATURDAY NIGHT
 
 
SKY/WEATHER.........CLEAR.  
MIN TEMPERATURE.....31-36.  
24 HR TREND......3 DEGREES WARMER.  
MAX HUMIDITY........64-70 PERCENT.  
24 HR TREND......3 PERCENT DRIER.  
HUMIDITY RECOVERY...FAIR.  
20-FOOT WINDS.......SOUTHWEST AROUND 5 MPH.  
LAL.................1.  
CHC OF WETTING RAIN.ZERO PERCENT.  
TRANSPORT WINDS.....SOUTHWEST 5 TO 10 MPH.  
MIXING HEIGHT.......900-2100 FT AGL.  
SMOKE DISPERSAL.....POOR (6300-9200 KNOT-FT).  
HAINES INDEX........2 OR VERY LOW POTENTIAL FOR LARGE PLUME  
DOMINATED FIRE GROWTH.  
   
SUNDAY
 
 
SKY/WEATHER.........MOSTLY SUNNY.  
MAX TEMPERATURE.....58-63.  
24 HR TREND......1 DEGREE COOLER.  
MIN HUMIDITY........27-33 PERCENT.  
24 HR TREND......7 PERCENT WETTER.  
20-FOOT WINDS.......SOUTHWEST AROUND 10 MPH AND GUSTY.  
LAL.................1.  
CHC OF WETTING RAIN.ZERO PERCENT.  
TRANSPORT WINDS.....SOUTHWEST AROUND 15 MPH.  
MIXING HEIGHT.......1700-2200 FT AGL INCREASING TO 5200-5700 FT AGL  
IN THE AFTERNOON.  
SMOKE DISPERSAL.....POOR (26800 KNOT-FT) INCREASING TO GOOD (77900  
KNOT-FT) IN THE AFTERNOON.  
HAINES INDEX........2 OR VERY LOW POTENTIAL FOR LARGE PLUME  
DOMINATED FIRE GROWTH.  
   
FORECAST DAYS 3 THROUGH 7
 
   
MONDAY
 
MOSTLY CLEAR WITH ISOLATED SHOWERS. LOWS IN THE MID  
30S. HIGHS IN THE UPPER 50S. WINDS GENERALLY LESS THAN 10 MPH.    
TUESDAY
 
PARTLY CLOUDY. SLIGHT CHANCE OF SHOWERS. LOWS IN THE  
MID 30S. HIGHS IN THE MID 50S. WINDS GENERALLY LESS THAN 10 MPH.    
WEDNESDAY
 
PARTLY CLOUDY. SLIGHT CHANCE OF SHOWERS. LOWS IN THE  
MID 30S. HIGHS IN THE LOWER 50S. WINDS GENERALLY LESS THAN  
10 MPH.    
THURSDAY
 
PARTLY CLOUDY. LOWS IN THE LOWER 30S. HIGHS IN THE  
MID 50S.    
FRIDAY
 
PARTLY CLOUDY. LOWS IN THE LOWER 30S. HIGHS AROUND 50.  
 

 
 
WYZ307-201015-  
SNOWY RANGE/MEDICINE BOW NF-  
129 PM MDT FRI OCT 19 2018  
   
TONIGHT
 
 
SKY/WEATHER.........CLEAR.  
MIN TEMPERATURE.....25-31.  
24 HR TREND......4 DEGREES WARMER.  
MAX HUMIDITY........60-66 PERCENT.  
24 HR TREND......38 PERCENT DRIER.  
HUMIDITY RECOVERY...FAIR.  
20-FOOT WINDS.......WEST AROUND 5 MPH.  
LAL.................1.  
CHC OF WETTING RAIN.ZERO PERCENT.  
TRANSPORT WINDS.....WEST 5 TO 10 MPH.  
MIXING HEIGHT.......1000-1600 FT AGL.  
SMOKE DISPERSAL.....POOR (5400-9300 KNOT-FT).  
HAINES INDEX........2 OR VERY LOW POTENTIAL FOR LARGE PLUME  
DOMINATED FIRE GROWTH.  
   
SATURDAY
 
 
SKY/WEATHER.........SUNNY.  
MAX TEMPERATURE.....51-57.  
24 HR TREND......1 DEGREE COOLER.  
MIN HUMIDITY........24-30 PERCENT.  
24 HR TREND......UNCHANGED.  
20-FOOT WINDS.......SOUTHWEST AROUND 5 MPH.  
LAL.................1.  
CHC OF WETTING RAIN.ZERO PERCENT.  
TRANSPORT WINDS.....WEST AROUND 5 MPH.  
MIXING HEIGHT.......1000-2000 FT AGL INCREASING TO 5000-5500 FT AGL  
IN THE AFTERNOON.  
SMOKE DISPERSAL.....POOR (6500-13300 KNOT-FT).  
HAINES INDEX........2 OR VERY LOW POTENTIAL FOR LARGE PLUME  
DOMINATED FIRE GROWTH.  
   
SATURDAY NIGHT
 
 
SKY/WEATHER.........CLEAR.  
MIN TEMPERATURE.....29-34.  
24 HR TREND......3 DEGREES WARMER.  
MAX HUMIDITY........58-64 PERCENT.  
24 HR TREND......3 PERCENT WETTER.  
HUMIDITY RECOVERY...FAIR.  
20-FOOT WINDS.......SOUTHWEST 5 TO 10 MPH. GUSTS UP TO 15 MPH  
INCREASING TO 25 MPH AFTER MIDNIGHT.  
LAL.................1.  
CHC OF WETTING RAIN.ZERO PERCENT.  
TRANSPORT WINDS.....SOUTHWEST AROUND 5 MPH INCREASING TO AROUND 15  
MPH AFTER MIDNIGHT.  
MIXING HEIGHT.......800-1600 FT AGL.  
SMOKE DISPERSAL.....POOR (6600-11300 KNOT-FT).  
HAINES INDEX........2 OR VERY LOW POTENTIAL FOR LARGE PLUME  
DOMINATED FIRE GROWTH.  
   
SUNDAY
 
 
SKY/WEATHER.........MOSTLY SUNNY.  
MAX TEMPERATURE.....51-57.  
24 HR TREND......UNCHANGED.  
MIN HUMIDITY........31-37 PERCENT.  
24 HR TREND......8 PERCENT WETTER.  
20-FOOT WINDS.......WEST AROUND 10 MPH WITH HIGHER GUSTS.  
LAL.................1.  
CHC OF WETTING RAIN.ZERO PERCENT.  
TRANSPORT WINDS.....WEST 15 TO 20 MPH.  
MIXING HEIGHT.......1600-2500 FT AGL INCREASING TO 5100-5800 FT AGL  
IN THE AFTERNOON.  
SMOKE DISPERSAL.....FAIR TO GOOD (40800-83700 KNOT-FT).  
HAINES INDEX........2 OR VERY LOW POTENTIAL FOR LARGE PLUME  
DOMINATED FIRE GROWTH.  
   
FORECAST DAYS 3 THROUGH 7
 
   
MONDAY
 
PARTLY CLOUDY WITH ISOLATED SHOWERS. LOWS IN THE LOWER  
30S. HIGHS IN THE LOWER 50S. WINDS GENERALLY LESS THAN 10 MPH.    
TUESDAY
 
MOSTLY CLOUDY. CHANCE OF SHOWERS. LOWS AROUND 30.  
HIGHS IN THE LOWER 50S. WINDS GENERALLY LESS THAN 10 MPH.    
WEDNESDAY
 
MOSTLY CLOUDY. SLIGHT CHANCE OF SHOWERS AND SNOW  
SHOWERS. LOWS AROUND 30. HIGHS IN THE UPPER 40S. WINDS GENERALLY  
LESS THAN 10 MPH.    
THURSDAY
 
PARTLY CLOUDY. LOWS IN THE UPPER 20S. HIGHS IN THE  
UPPER 40S.    
FRIDAY
 
PARTLY CLOUDY WITH SLIGHT CHANCE OF SHOWERS. LOWS  
AROUND 30. HIGHS IN THE MID 40S.  
 

 
 
WYZ308-201015-  
LARAMIE VALLEY/SHIRLEY BASIN-  
129 PM MDT FRI OCT 19 2018  
   
TONIGHT
 
 
SKY/WEATHER.........CLEAR.  
MIN TEMPERATURE.....28-33.  
24 HR TREND......2 DEGREES WARMER.  
MAX HUMIDITY........65-71 PERCENT.  
24 HR TREND......28 PERCENT DRIER.  
HUMIDITY RECOVERY...FAIR.  
20-FOOT WINDS.......WEST AROUND 5 MPH.  
LAL.................1.  
CHC OF WETTING RAIN.ZERO PERCENT.  
TRANSPORT WINDS.....WEST 5 TO 10 MPH.  
MIXING HEIGHT.......500-1600 FT AGL.  
SMOKE DISPERSAL.....POOR (5000-11200 KNOT-FT).  
HAINES INDEX........2 OR VERY LOW POTENTIAL FOR LARGE PLUME  
DOMINATED FIRE GROWTH.  
   
SATURDAY
 
 
SKY/WEATHER.........SUNNY.  
MAX TEMPERATURE.....58-63.  
24 HR TREND......6 DEGREES WARMER.  
MIN HUMIDITY........22-28 PERCENT.  
24 HR TREND......2 PERCENT DRIER.  
20-FOOT WINDS.......SOUTHWEST AROUND 5 MPH.  
LAL.................1.  
CHC OF WETTING RAIN.ZERO PERCENT.  
TRANSPORT WINDS.....WEST AROUND 5 MPH.  
MIXING HEIGHT.......600-1200 FT AGL INCREASING TO 4900-5700 FT AGL  
IN THE AFTERNOON.  
SMOKE DISPERSAL.....POOR (4500-24600 KNOT-FT).  
HAINES INDEX........2 OR VERY LOW POTENTIAL FOR LARGE PLUME  
DOMINATED FIRE GROWTH.  
   
SATURDAY NIGHT
 
 
SKY/WEATHER.........CLEAR.  
MIN TEMPERATURE.....31-36.  
24 HR TREND......2 DEGREES WARMER.  
MAX HUMIDITY........67-73 PERCENT.  
24 HR TREND......3 PERCENT DRIER.  
HUMIDITY RECOVERY...GOOD.  
20-FOOT WINDS.......SOUTHWEST AROUND 5 MPH.  
LAL.................1.  
CHC OF WETTING RAIN.ZERO PERCENT.  
TRANSPORT WINDS.....SOUTHWEST AROUND 10 MPH.  
MIXING HEIGHT.......400-1300 FT AGL.  
SMOKE DISPERSAL.....POOR (5600-6900 KNOT-FT).  
HAINES INDEX........3 OR VERY LOW POTENTIAL FOR LARGE PLUME  
DOMINATED FIRE GROWTH.  
   
SUNDAY
 
 
SKY/WEATHER.........SUNNY.  
MAX TEMPERATURE.....59-64.  
24 HR TREND......1 DEGREE WARMER.  
MIN HUMIDITY........26-32 PERCENT.  
24 HR TREND......3 PERCENT WETTER.  
20-FOOT WINDS.......WEST 10 TO 15 MPH WITH HIGHER GUSTS.  
LAL.................1.  
CHC OF WETTING RAIN.ZERO PERCENT.  
TRANSPORT WINDS.....WEST AROUND 20 MPH.  
MIXING HEIGHT.......700-1300 FT AGL INCREASING TO 6100 FT AGL IN  
THE AFTERNOON.  
SMOKE DISPERSAL.....POOR (15800 KNOT-FT) INCREASING TO GOOD (93000  
KNOT-FT) IN THE AFTERNOON.  
HAINES INDEX........2 OR VERY LOW POTENTIAL FOR LARGE PLUME  
DOMINATED FIRE GROWTH.  
   
FORECAST DAYS 3 THROUGH 7
 
   
MONDAY
 
MOSTLY CLEAR. LOWS IN THE LOWER 30S. HIGHS IN THE UPPER  
50S. WINDS GENERALLY LESS THAN 10 MPH.    
TUESDAY
 
PARTLY CLOUDY. LOWS IN THE LOWER 30S. HIGHS IN THE  
UPPER 50S. WINDS GENERALLY LESS THAN 10 MPH.    
WEDNESDAY
 
PARTLY CLOUDY WITH SLIGHT CHANCE OF SHOWERS. LOWS IN  
THE LOWER 30S. HIGHS IN THE MID 50S. SOUTHWEST WINDS AROUND  
10 MPH.    
THURSDAY
 
MOSTLY CLEAR. LOWS IN THE LOWER 30S. HIGHS IN THE MID  
50S.    
FRIDAY
 
PARTLY CLOUDY WITH SLIGHT CHANCE OF SHOWERS. LOWS IN  
THE LOWER 30S. HIGHS IN THE LOWER 50S.  
 

 
 
WYZ309-201015-  
SOUTH LARAMIE RANGE/MEDICINE BOW NF-  
129 PM MDT FRI OCT 19 2018  
   
TONIGHT
 
 
SKY/WEATHER.........CLEAR.  
MIN TEMPERATURE.....31-36.  
24 HR TREND......4 DEGREES COOLER.  
MAX HUMIDITY........62-68 PERCENT.  
24 HR TREND......6 PERCENT DRIER.  
HUMIDITY RECOVERY...FAIR.  
20-FOOT WINDS.......WEST AROUND 5 MPH.  
LAL.................1.  
CHC OF WETTING RAIN.ZERO PERCENT.  
TRANSPORT WINDS.....NORTHWEST AROUND 10 MPH.  
MIXING HEIGHT.......700-2100 FT AGL.  
SMOKE DISPERSAL.....POOR (9400-15300 KNOT-FT).  
HAINES INDEX........2 OR VERY LOW POTENTIAL FOR LARGE PLUME  
DOMINATED FIRE GROWTH.  
   
SATURDAY
 
 
SKY/WEATHER.........SUNNY.  
MAX TEMPERATURE.....59-65.  
24 HR TREND......4 DEGREES WARMER.  
MIN HUMIDITY........22-28 PERCENT.  
24 HR TREND......4 PERCENT WETTER.  
20-FOOT WINDS.......SOUTHWEST AROUND 5 MPH AND GUSTY.  
LAL.................1.  
CHC OF WETTING RAIN.ZERO PERCENT.  
TRANSPORT WINDS.....WEST 5 TO 10 MPH.  
MIXING HEIGHT.......1200-1800 FT AGL INCREASING TO 5300-5800 FT AGL  
IN THE AFTERNOON.  
SMOKE DISPERSAL.....POOR (11100-30400 KNOT-FT).  
HAINES INDEX........2 OR VERY LOW POTENTIAL FOR LARGE PLUME  
DOMINATED FIRE GROWTH.  
   
SATURDAY NIGHT
 
 
SKY/WEATHER.........CLEAR.  
MIN TEMPERATURE.....34-40.  
24 HR TREND......4 DEGREES WARMER.  
MAX HUMIDITY........56-62 PERCENT.  
24 HR TREND......10 PERCENT DRIER.  
HUMIDITY RECOVERY...FAIR.  
20-FOOT WINDS.......SOUTHWEST 5 TO 10 MPH. GUSTS UP TO 15 MPH  
INCREASING TO 25 MPH AFTER MIDNIGHT.  
LAL.................1.  
CHC OF WETTING RAIN.ZERO PERCENT.  
TRANSPORT WINDS.....SOUTHWEST AROUND 15 MPH.  
MIXING HEIGHT.......500-1100 FT AGL.  
SMOKE DISPERSAL.....POOR (8700-9000 KNOT-FT).  
HAINES INDEX........3 OR VERY LOW POTENTIAL FOR LARGE PLUME  
DOMINATED FIRE GROWTH.  
   
SUNDAY
 
 
SKY/WEATHER.........MOSTLY SUNNY.  
MAX TEMPERATURE.....61-69.  
24 HR TREND......4 DEGREES WARMER.  
MIN HUMIDITY........21-27 PERCENT.  
24 HR TREND......UNCHANGED.  
20-FOOT WINDS.......WEST AROUND 15 MPH WITH HIGHER GUSTS.  
LAL.................1.  
CHC OF WETTING RAIN.ZERO PERCENT.  
TRANSPORT WINDS.....WEST 15 TO 20 MPH.  
MIXING HEIGHT.......1200-2000 FT AGL INCREASING TO 6300-6800 FT AGL  
IN THE AFTERNOON.  
SMOKE DISPERSAL.....POOR (31500 KNOT-FT) INCREASING TO GOOD (93200  
KNOT-FT) IN THE AFTERNOON.  
HAINES INDEX........3 OR VERY LOW POTENTIAL FOR LARGE PLUME  
DOMINATED FIRE GROWTH.  
   
FORECAST DAYS 3 THROUGH 7
 
   
MONDAY
 
MOSTLY CLEAR. LOWS IN THE UPPER 30S. HIGHS AROUND 60.  
WINDS GENERALLY LESS THAN 10 MPH.    
TUESDAY
 
PARTLY CLOUDY. LOWS IN THE MID 30S. HIGHS IN THE MID  
50S. WINDS GENERALLY LESS THAN 10 MPH.    
WEDNESDAY
 
PARTLY CLOUDY WITH SLIGHT CHANCE OF SHOWERS. LOWS IN  
THE MID 30S. HIGHS IN THE MID 50S. SOUTHWEST WINDS AROUND 10 MPH.   
THURSDAY
 
MOSTLY CLEAR. LOWS IN THE MID 30S. HIGHS IN THE UPPER  
50S.    
FRIDAY
 
PARTLY CLOUDY WITH SLIGHT CHANCE OF SHOWERS. LOWS IN  
THE UPPER 30S. HIGHS IN THE MID 50S.  
 

 
 
WYZ310-201015-  
PLATTE/GOSHEN/CENTRAL AND EASTERN LARAMIE-  
129 PM MDT FRI OCT 19 2018  
   
TONIGHT
 
 
SKY/WEATHER.........CLEAR.  
MIN TEMPERATURE.....32-37.  
24 HR TREND......4 DEGREES COOLER.  
MAX HUMIDITY........67-73 PERCENT.  
24 HR TREND......4 PERCENT DRIER.  
HUMIDITY RECOVERY...GOOD.  
20-FOOT WINDS.......NORTHWEST AROUND 5 MPH.  
LAL.................1.  
CHC OF WETTING RAIN.ZERO PERCENT.  
TRANSPORT WINDS.....NORTHWEST AROUND 5 MPH.  
MIXING HEIGHT.......400-1800 FT AGL.  
SMOKE DISPERSAL.....POOR (3400-9100 KNOT-FT).  
HAINES INDEX........2 OR VERY LOW POTENTIAL FOR LARGE PLUME  
DOMINATED FIRE GROWTH.  
   
SATURDAY
 
 
SKY/WEATHER.........SUNNY.  
MAX TEMPERATURE.....63-68.  
24 HR TREND......1 DEGREE WARMER.  
MIN HUMIDITY........23-29 PERCENT.  
24 HR TREND......3 PERCENT WETTER.  
20-FOOT WINDS.......SOUTHWEST AROUND 5 MPH SHIFTING TO THE  
SOUTHEAST IN THE AFTERNOON.  
LAL.................1.  
CHC OF WETTING RAIN.ZERO PERCENT.  
TRANSPORT WINDS.....NORTHWEST AROUND 5 MPH SHIFTING TO THE  
SOUTHWEST IN THE AFTERNOON.  
MIXING HEIGHT.......800-1300 FT AGL INCREASING TO 4900-5500 FT AGL  
IN THE AFTERNOON.  
SMOKE DISPERSAL.....POOR (4200-34800 KNOT-FT).  
HAINES INDEX........2 OR VERY LOW POTENTIAL FOR LARGE PLUME  
DOMINATED FIRE GROWTH.  
   
SATURDAY NIGHT
 
 
SKY/WEATHER.........CLEAR.  
MIN TEMPERATURE.....36-41.  
24 HR TREND......3 DEGREES WARMER.  
MAX HUMIDITY........63-69 PERCENT.  
24 HR TREND......2 PERCENT DRIER.  
HUMIDITY RECOVERY...FAIR.  
20-FOOT WINDS.......SOUTH AROUND 5 MPH.  
LAL.................1.  
CHC OF WETTING RAIN.ZERO PERCENT.  
TRANSPORT WINDS.....SOUTHWEST AROUND 15 MPH.  
MIXING HEIGHT.......500-1000 FT AGL.  
SMOKE DISPERSAL.....POOR (6200-9700 KNOT-FT).  
HAINES INDEX........4 OR LOW POTENTIAL FOR LARGE PLUME DOMINATED  
FIRE GROWTH.  
   
SUNDAY
 
 
SKY/WEATHER.........MOSTLY SUNNY.  
MAX TEMPERATURE.....69-74.  
24 HR TREND......6 DEGREES WARMER.  
MIN HUMIDITY........18-24 PERCENT.  
24 HR TREND......4 PERCENT DRIER.  
20-FOOT WINDS.......WEST AROUND 10 MPH WITH HIGHER GUSTS.  
LAL.................1.  
CHC OF WETTING RAIN.ZERO PERCENT.  
TRANSPORT WINDS.....WEST 10 TO 15 MPH.  
MIXING HEIGHT.......600-1100 FT AGL INCREASING TO 6300-6800 FT AGL  
IN THE AFTERNOON.  
SMOKE DISPERSAL.....POOR (11400 KNOT-FT) INCREASING TO GOOD (64400  
KNOT-FT) IN THE AFTERNOON.  
HAINES INDEX........3 OR VERY LOW POTENTIAL FOR LARGE PLUME  
DOMINATED FIRE GROWTH.  
   
FORECAST DAYS 3 THROUGH 7
 
   
MONDAY
 
MOSTLY CLEAR. LOWS IN THE UPPER 30S. HIGHS IN THE LOWER  
60S. WINDS GENERALLY LESS THAN 10 MPH.    
TUESDAY
 
PARTLY CLOUDY. LOWS IN THE UPPER 30S. HIGHS IN THE  
UPPER 50S. SOUTHEAST WINDS AROUND 10 MPH.    
WEDNESDAY
 
PARTLY CLOUDY. LOWS IN THE UPPER 30S. HIGHS AROUND  
60. SOUTH WINDS AROUND 10 MPH.    
THURSDAY
 
MOSTLY CLEAR. LOWS IN THE UPPER 30S. HIGHS IN THE  
LOWER 60S.    
FRIDAY
 
PARTLY CLOUDY WITH SLIGHT CHANCE OF SHOWERS. LOWS IN  
THE UPPER 30S. HIGHS IN THE LOWER 60S.  
 

 
 
NEZ311-201015-  
PINE RIDGE/NEBRASKA NATIONAL FOREST/OGLALA NATIONAL GRASSLANDS-  
129 PM MDT FRI OCT 19 2018  
   
TONIGHT
 
 
SKY/WEATHER.........CLEAR.  
MIN TEMPERATURE.....32-37.  
24 HR TREND......5 DEGREES COOLER.  
MAX HUMIDITY........70-76 PERCENT.  
24 HR TREND......4 PERCENT WETTER.  
HUMIDITY RECOVERY...GOOD.  
20-FOOT WINDS.......NORTHWEST AROUND 5 MPH.  
LAL.................1.  
CHC OF WETTING RAIN.ZERO PERCENT.  
TRANSPORT WINDS.....NORTHWEST 5 TO 10 MPH.  
MIXING HEIGHT.......100-1300 FT AGL.  
SMOKE DISPERSAL.....POOR (1700-10500 KNOT-FT).  
HAINES INDEX........3 OR VERY LOW POTENTIAL FOR LARGE PLUME  
DOMINATED FIRE GROWTH.  
   
SATURDAY
 
 
SKY/WEATHER.........SUNNY.  
MAX TEMPERATURE.....61-66.  
24 HR TREND......3 DEGREES COOLER.  
MIN HUMIDITY........27-33 PERCENT.  
24 HR TREND......7 PERCENT WETTER.  
20-FOOT WINDS.......WEST AROUND 5 MPH SHIFTING TO THE SOUTHEAST IN  
THE AFTERNOON.  
LAL.................1.  
CHC OF WETTING RAIN.ZERO PERCENT.  
TRANSPORT WINDS.....NORTH AROUND 5 MPH SHIFTING TO THE SOUTHWEST IN  
THE AFTERNOON.  
MIXING HEIGHT.......1000-1500 FT AGL INCREASING TO 3600-4300 FT AGL  
IN THE AFTERNOON.  
SMOKE DISPERSAL.....POOR (4000-28200 KNOT-FT).  
HAINES INDEX........3 OR VERY LOW POTENTIAL FOR LARGE PLUME  
DOMINATED FIRE GROWTH.  
   
SATURDAY NIGHT
 
 
SKY/WEATHER.........CLEAR.  
MIN TEMPERATURE.....37-42.  
24 HR TREND......4 DEGREES WARMER.  
MAX HUMIDITY........68-74 PERCENT.  
24 HR TREND......1 PERCENT WETTER.  
HUMIDITY RECOVERY...GOOD.  
20-FOOT WINDS.......SOUTH AROUND 10 MPH.  
LAL.................1.  
CHC OF WETTING RAIN.ZERO PERCENT.  
TRANSPORT WINDS.....SOUTHWEST AROUND 20 MPH.  
MIXING HEIGHT.......200-700 FT AGL.  
SMOKE DISPERSAL.....POOR (4900-10100 KNOT-FT).  
HAINES INDEX........4 OR LOW POTENTIAL FOR LARGE PLUME DOMINATED  
FIRE GROWTH.  
   
SUNDAY
 
 
SKY/WEATHER.........SUNNY.  
MAX TEMPERATURE.....67-72.  
24 HR TREND......7 DEGREES WARMER.  
MIN HUMIDITY........25-31 PERCENT.  
24 HR TREND......1 PERCENT DRIER.  
20-FOOT WINDS.......WEST AROUND 5 MPH SHIFTING TO THE NORTH IN THE  
AFTERNOON. GUSTS UP TO 15 MPH.  
LAL.................1.  
CHC OF WETTING RAIN.ZERO PERCENT.  
TRANSPORT WINDS.....NORTHWEST 10 TO 15 MPH.  
MIXING HEIGHT.......300 FT AGL INCREASING TO 3700-4900 FT AGL IN  
THE AFTERNOON.  
SMOKE DISPERSAL.....POOR (3300-33200 KNOT-FT).  
HAINES INDEX........4 OR LOW POTENTIAL FOR LARGE PLUME DOMINATED  
FIRE GROWTH.  
   
FORECAST DAYS 3 THROUGH 7
 
   
MONDAY
 
MOSTLY CLEAR. LOWS IN THE MID 30S. HIGHS IN THE LOWER  
60S. WINDS GENERALLY LESS THAN 10 MPH.    
TUESDAY
 
MOSTLY CLEAR. LOWS IN THE MID 30S. HIGHS AROUND 60.  
SOUTHEAST WINDS AROUND 10 MPH.    
WEDNESDAY
 
PARTLY CLOUDY. LOWS IN THE LOWER 40S. HIGHS IN THE  
LOWER 60S. SOUTH WINDS AROUND 10 MPH.    
THURSDAY
 
PARTLY CLOUDY. LOWS IN THE UPPER 30S. HIGHS IN THE  
LOWER 60S.    
FRIDAY
 
PARTLY CLOUDY WITH SLIGHT CHANCE OF SHOWERS. LOWS IN  
THE UPPER 30S. HIGHS IN THE LOWER 60S.  
 

 
 
NEZ312-201015-  
BOX BUTTE/SOUTH SIOUX-  
129 PM MDT FRI OCT 19 2018  
   
TONIGHT
 
 
SKY/WEATHER.........CLEAR.  
MIN TEMPERATURE.....32-37.  
24 HR TREND......2 DEGREES COOLER.  
MAX HUMIDITY........68-74 PERCENT.  
24 HR TREND......24 PERCENT DRIER.  
HUMIDITY RECOVERY...GOOD.  
20-FOOT WINDS.......NORTHWEST AROUND 5 MPH.  
LAL.................1.  
CHC OF WETTING RAIN.ZERO PERCENT.  
TRANSPORT WINDS.....NORTHWEST 5 TO 10 MPH.  
MIXING HEIGHT.......300-1300 FT AGL.  
SMOKE DISPERSAL.....POOR (2500-10600 KNOT-FT).  
HAINES INDEX........2 OR VERY LOW POTENTIAL FOR LARGE PLUME  
DOMINATED FIRE GROWTH.  
   
SATURDAY
 
 
SKY/WEATHER.........SUNNY.  
MAX TEMPERATURE.....61-66.  
24 HR TREND......3 DEGREES COOLER.  
MIN HUMIDITY........30 PERCENT.  
24 HR TREND......6 PERCENT WETTER.  
20-FOOT WINDS.......NORTH AROUND 5 MPH SHIFTING TO THE SOUTHEAST IN  
THE AFTERNOON.  
LAL.................1.  
CHC OF WETTING RAIN.ZERO PERCENT.  
TRANSPORT WINDS.....NORTH AROUND 5 MPH SHIFTING TO THE SOUTHWEST IN  
THE AFTERNOON.  
MIXING HEIGHT.......1100-1600 FT AGL INCREASING TO 4100-4900 FT AGL  
IN THE AFTERNOON.  
SMOKE DISPERSAL.....POOR (4600-31000 KNOT-FT).  
HAINES INDEX........2 OR VERY LOW POTENTIAL FOR LARGE PLUME  
DOMINATED FIRE GROWTH.  
   
SATURDAY NIGHT
 
 
SKY/WEATHER.........CLEAR.  
MIN TEMPERATURE.....35-40.  
24 HR TREND......3 DEGREES WARMER.  
MAX HUMIDITY........71-77 PERCENT.  
24 HR TREND......3 PERCENT WETTER.  
HUMIDITY RECOVERY...GOOD.  
20-FOOT WINDS.......SOUTH 5 TO 10 MPH.  
LAL.................1.  
CHC OF WETTING RAIN.ZERO PERCENT.  
TRANSPORT WINDS.....SOUTHWEST 15 TO 20 MPH.  
MIXING HEIGHT.......300-800 FT AGL.  
SMOKE DISPERSAL.....POOR (5700-10600 KNOT-FT).  
HAINES INDEX........3 OR VERY LOW POTENTIAL FOR LARGE PLUME  
DOMINATED FIRE GROWTH.  
   
SUNDAY
 
 
SKY/WEATHER.........SUNNY.  
MAX TEMPERATURE.....70-75.  
24 HR TREND......8 DEGREES WARMER.  
MIN HUMIDITY........25 PERCENT.  
24 HR TREND......5 PERCENT DRIER.  
20-FOOT WINDS.......WEST AROUND 5 MPH SHIFTING TO THE NORTHWEST IN  
THE AFTERNOON. GUSTS UP TO 15 MPH.  
LAL.................1.  
CHC OF WETTING RAIN.ZERO PERCENT.  
TRANSPORT WINDS.....NORTHWEST AROUND 10 MPH.  
MIXING HEIGHT.......300-800 FT AGL INCREASING TO 4100-5500 FT AGL  
IN THE AFTERNOON.  
SMOKE DISPERSAL.....POOR TO FAIR (5200-44100 KNOT-FT).  
HAINES INDEX........4 OR LOW POTENTIAL FOR LARGE PLUME DOMINATED  
FIRE GROWTH.  
   
FORECAST DAYS 3 THROUGH 7
 
   
MONDAY
 
COOLER. MOSTLY CLEAR. LOWS IN THE MID 30S. HIGHS IN THE  
LOWER 60S. WINDS GENERALLY LESS THAN 10 MPH.    
TUESDAY
 
MOSTLY CLEAR. LOWS IN THE MID 30S. HIGHS IN THE UPPER  
50S. SOUTHEAST WINDS AROUND 10 MPH.    
WEDNESDAY
 
MOSTLY CLOUDY. LOWS IN THE UPPER 30S. HIGHS AROUND  
60. SOUTH WINDS AROUND 10 MPH.    
THURSDAY
 
PARTLY CLOUDY. LOWS IN THE UPPER 30S. HIGHS IN THE  
LOWER 60S.    
FRIDAY
 
PARTLY CLOUDY WITH SLIGHT CHANCE OF SHOWERS. LOWS IN  
THE UPPER 30S. HIGHS IN THE LOWER 60S.  
 

 
 
NEZ313-201015-  
SCOTTS BLUFF NATIONAL MONUMENT/WILDCAT HILLS-  
129 PM MDT FRI OCT 19 2018  
   
TONIGHT
 
 
SKY/WEATHER.........CLEAR.  
MIN TEMPERATURE.....32-37.  
24 HR TREND......4 DEGREES COOLER.  
MAX HUMIDITY........71-77 PERCENT.  
24 HR TREND......25 PERCENT DRIER.  
HUMIDITY RECOVERY...GOOD.  
20-FOOT WINDS.......NORTHWEST AROUND 5 MPH.  
LAL.................1.  
CHC OF WETTING RAIN.ZERO PERCENT.  
TRANSPORT WINDS.....NORTHWEST 5 TO 10 MPH.  
MIXING HEIGHT.......300-1400 FT AGL.  
SMOKE DISPERSAL.....POOR (2400-8000 KNOT-FT).  
HAINES INDEX........3 OR VERY LOW POTENTIAL FOR LARGE PLUME  
DOMINATED FIRE GROWTH.  
   
SATURDAY
 
 
SKY/WEATHER.........SUNNY.  
MAX TEMPERATURE.....62-67.  
24 HR TREND......2 DEGREES COOLER.  
MIN HUMIDITY........25-31 PERCENT.  
24 HR TREND......6 PERCENT WETTER.  
20-FOOT WINDS.......NORTHWEST AROUND 5 MPH SHIFTING TO THE  
SOUTHEAST IN THE AFTERNOON.  
LAL.................1.  
CHC OF WETTING RAIN.ZERO PERCENT.  
TRANSPORT WINDS.....NORTHEAST AROUND 5 MPH SHIFTING TO THE  
SOUTHWEST IN THE AFTERNOON.  
MIXING HEIGHT.......900-1400 FT AGL INCREASING TO 4200-4900 FT AGL  
IN THE AFTERNOON.  
SMOKE DISPERSAL.....POOR (4000-26000 KNOT-FT).  
HAINES INDEX........2 OR VERY LOW POTENTIAL FOR LARGE PLUME  
DOMINATED FIRE GROWTH.  
   
SATURDAY NIGHT
 
 
SKY/WEATHER.........CLEAR.  
MIN TEMPERATURE.....35-40.  
24 HR TREND......4 DEGREES WARMER.  
MAX HUMIDITY........71-77 PERCENT.  
24 HR TREND......4 PERCENT WETTER.  
HUMIDITY RECOVERY...GOOD.  
20-FOOT WINDS.......SOUTH AROUND 5 MPH.  
LAL.................1.  
CHC OF WETTING RAIN.ZERO PERCENT.  
TRANSPORT WINDS.....SOUTH AROUND 15 MPH.  
MIXING HEIGHT.......200-700 FT AGL.  
SMOKE DISPERSAL.....POOR (5800-10100 KNOT-FT).  
HAINES INDEX........4 OR LOW POTENTIAL FOR LARGE PLUME DOMINATED  
FIRE GROWTH.  
   
SUNDAY
 
 
SKY/WEATHER.........SUNNY.  
MAX TEMPERATURE.....71-76.  
24 HR TREND......9 DEGREES WARMER.  
MIN HUMIDITY........19-25 PERCENT.  
24 HR TREND......6 PERCENT DRIER.  
20-FOOT WINDS.......WEST AROUND 5 MPH SHIFTING TO THE NORTHWEST IN  
THE AFTERNOON. GUSTS UP TO 15 MPH.  
LAL.................1.  
CHC OF WETTING RAIN.ZERO PERCENT.  
TRANSPORT WINDS.....NORTHWEST 10 TO 15 MPH.  
MIXING HEIGHT.......600 FT AGL INCREASING TO 4900-6300 FT AGL IN  
THE AFTERNOON.  
SMOKE DISPERSAL.....POOR TO FAIR (6600-54100 KNOT-FT).  
HAINES INDEX........3 OR VERY LOW POTENTIAL FOR LARGE PLUME  
DOMINATED FIRE GROWTH.  
   
FORECAST DAYS 3 THROUGH 7
 
   
MONDAY
 
COOLER. MOSTLY CLEAR. LOWS IN THE MID 30S. HIGHS IN THE  
LOWER 60S. WINDS GENERALLY LESS THAN 10 MPH.    
TUESDAY
 
PARTLY CLOUDY. LOWS IN THE MID 30S. HIGHS IN THE UPPER  
50S. SOUTHEAST WINDS AROUND 10 MPH.    
WEDNESDAY
 
MOSTLY CLOUDY WITH CHANCE OF SHOWERS. LOWS IN THE  
UPPER 30S. HIGHS IN THE UPPER 50S. SOUTH WINDS AROUND 10 MPH.    
THURSDAY
 
PARTLY CLOUDY. LOWS IN THE UPPER 30S. HIGHS IN THE  
MID 60S.    
FRIDAY
 
PARTLY CLOUDY WITH SLIGHT CHANCE OF SHOWERS. LOWS IN  
THE UPPER 30S. HIGHS IN THE LOWER 60S.  
 

 
MAJ/RE  
 
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