329  
FNUS55 KCYS 170800  
FWFCYS  
 
FIRE WEATHER PLANNING FORECAST FOR SOUTHEAST WYOMING/WESTERN NEBRASKA  
NATIONAL WEATHER SERVICE CHEYENNE WY  
200 AM MDT TUE OCT 17 2017  
 
...RED FLAG WARNING IN EFFECT FROM NOON TODAY TO 6 PM MDT THIS EVENING  
FIRE WEATHER ZONES 301...306...309...310...312 AND 313...  
   
DISCUSSION
 
LITTLE CHANGE IN THE AIR MASS TODAY WITH WARM TEMPERATURES,  
GUSTY WINDS AND VERY LOW HUMIDITIES FOR MOST OF EAST AND SOUTHEAST  
WYOMING AND THE SOUTHERN HALF OF THE NEBRASKA PANHANDLE. THESE CRITICAL  
FIRE CONDITIONS WILL LEAD TO RAPID GROWTH OF ANY FIRE THAT DEVELOP.  
A FRONT WILL PUSH SOUTH ACROSS SOUTHEAST WYOMING AND WESTERN NEBRASKA  
WEDNESDAY, BRINGING COOLER TEMPERATURES, LIGHTER WINDS AND SLIGHTLY  
HIGHER HUMIDITIES.  
 
WYZ301-172215-  
NIOBRARA/LOWER ELEVATIONS OF CONVERSE/THUNDER BASIN NATIONAL  
GRASSLAND-  
200 AM MDT TUE OCT 17 2017  
 
...RED FLAG WARNING IN EFFECT FROM NOON TODAY TO 6 PM MDT THIS  
EVENING...  
   
TODAY
 
 
SKY/WEATHER.........MOSTLY SUNNY.  
MAX TEMPERATURE.....72-77.  
24 HR TREND......5 DEGREES WARMER.  
MIN HUMIDITY........8-14 PERCENT.  
24 HR TREND......2 PERCENT DRIER.  
20-FOOT WINDS.......WEST 10 TO 15 MPH WITH HIGHER GUSTS.  
LAL.................1.  
CHC OF WETTING RAIN.ZERO PERCENT.  
TRANSPORT WINDS.....WEST AROUND 10 MPH INCREASING TO AROUND 20 MPH  
IN THE AFTERNOON.  
MIXING HEIGHT.......200-700 FT AGL INCREASING TO 7600-9600 FT AGL  
IN THE AFTERNOON.  
SMOKE DISPERSAL.....POOR (4700 KNOT-FT) INCREASING TO VERY GOOD  
(130100 KNOT-FT) IN THE AFTERNOON.  
HAINES INDEX........4 OR LOW POTENTIAL FOR LARGE PLUME DOMINATED  
FIRE GROWTH.  
   
TONIGHT
 
 
SKY/WEATHER.........MOSTLY CLEAR.  
MIN TEMPERATURE.....39-44.  
24 HR TREND......8 DEGREES WARMER.  
MAX HUMIDITY........46-52 PERCENT.  
24 HR TREND......11 PERCENT DRIER.  
HUMIDITY RECOVERY...POOR.  
20-FOOT WINDS.......WEST AROUND 10 MPH.  
LAL.................1.  
CHC OF WETTING RAIN.ZERO PERCENT.  
TRANSPORT WINDS.....WEST 10 TO 15 MPH.  
MIXING HEIGHT.......200-800 FT AGL.  
SMOKE DISPERSAL.....POOR (5300-5600 KNOT-FT).  
HAINES INDEX........5 OR MODERATE POTENTIAL FOR LARGE PLUME  
DOMINATED FIRE GROWTH.  
   
WEDNESDAY
 
 
SKY/WEATHER.........SUNNY.  
MAX TEMPERATURE.....65-70.  
24 HR TREND......9 DEGREES COOLER.  
MIN HUMIDITY........14-20 PERCENT.  
24 HR TREND......8 PERCENT WETTER.  
20-FOOT WINDS.......WEST AROUND 5 MPH SHIFTING TO THE SOUTHWEST IN  
THE AFTERNOON. GUSTS UP TO 20 MPH.  
LAL.................1.  
CHC OF WETTING RAIN.ZERO PERCENT.  
TRANSPORT WINDS.....WEST AROUND 10 MPH SHIFTING TO THE SOUTHWEST IN  
THE AFTERNOON.  
MIXING HEIGHT.......600-1100 FT AGL INCREASING TO 3700-5200 FT AGL  
IN THE AFTERNOON.  
SMOKE DISPERSAL.....POOR (6900-33000 KNOT-FT).  
HAINES INDEX........4 OR LOW POTENTIAL FOR LARGE PLUME DOMINATED  
FIRE GROWTH.  
   
FORECAST DAYS 3 THROUGH 7
 
   
THURSDAY
 
CLEAR. LOWS IN THE UPPER 30S. HIGHS IN THE LOWER 70S.  
SOUTHWEST WINDS AROUND 10 MPH.    
FRIDAY
 
MOSTLY CLEAR. LOWS IN THE MID 40S. HIGHS IN THE LOWER  
70S. SOUTHWEST WINDS AROUND 10 MPH.    
SATURDAY
 
COOLER. PARTLY CLOUDY. SLIGHT CHANCE OF SHOWERS. LOWS  
IN THE UPPER 30S. HIGHS IN THE UPPER 50S. WEST WINDS AROUND  
10 MPH.    
SUNDAY
 
MOSTLY CLEAR. LOWS IN THE LOWER 30S. HIGHS AROUND 60.    
MONDAY
 
PARTLY CLOUDY. LOWS IN THE UPPER 30S. HIGHS AROUND 60.  
 

 
 
WYZ302-172215-  
NORTH LARAMIE RANGE/MEDICINE BOW NF-  
200 AM MDT TUE OCT 17 2017  
   
TODAY
 
 
SKY/WEATHER.........MOSTLY SUNNY.  
MAX TEMPERATURE.....62-72.  
24 HR TREND......4 DEGREES WARMER.  
MIN HUMIDITY........9-15 PERCENT.  
24 HR TREND......2 PERCENT WETTER.  
20-FOOT WINDS.......WEST 15 TO 20 MPH WITH GUSTS TO AROUND 35 MPH.  
LAL.................1.  
CHC OF WETTING RAIN.ZERO PERCENT.  
TRANSPORT WINDS.....WEST 20 TO 25 MPH.  
MIXING HEIGHT.......400-900 FT AGL INCREASING TO 6200-8200 FT AGL  
IN THE AFTERNOON.  
SMOKE DISPERSAL.....POOR (9700 KNOT-FT) INCREASING TO VERY GOOD  
(146500 KNOT-FT) IN THE AFTERNOON.  
HAINES INDEX........5 OR MODERATE POTENTIAL FOR LARGE PLUME  
DOMINATED FIRE GROWTH.  
   
TONIGHT
 
 
SKY/WEATHER.........MOSTLY CLEAR.  
MIN TEMPERATURE.....37-43.  
24 HR TREND......6 DEGREES WARMER.  
MAX HUMIDITY........37-43 PERCENT.  
24 HR TREND......6 PERCENT DRIER.  
HUMIDITY RECOVERY...POOR.  
20-FOOT WINDS.......WEST AROUND 15 MPH WITH GUSTS TO AROUND 35 MPH.  
LAL.................1.  
CHC OF WETTING RAIN.ZERO PERCENT.  
TRANSPORT WINDS.....WEST AROUND 20 MPH.  
MIXING HEIGHT.......400-1000 FT AGL.  
SMOKE DISPERSAL.....POOR (10900-11300 KNOT-FT).  
HAINES INDEX........5 OR MODERATE POTENTIAL FOR LARGE PLUME  
DOMINATED FIRE GROWTH.  
   
WEDNESDAY
 
 
SKY/WEATHER.........SUNNY.  
MAX TEMPERATURE.....59-67.  
24 HR TREND......3 DEGREES COOLER.  
MIN HUMIDITY........13-19 PERCENT.  
24 HR TREND......4 PERCENT WETTER.  
20-FOOT WINDS.......WEST AROUND 10 MPH WITH HIGHER GUSTS.  
LAL.................1.  
CHC OF WETTING RAIN.ZERO PERCENT.  
TRANSPORT WINDS.....WEST AROUND 15 MPH.  
MIXING HEIGHT.......500-1100 FT AGL INCREASING TO 4200-5900 FT AGL  
IN THE AFTERNOON.  
SMOKE DISPERSAL.....POOR (9900 KNOT-FT) INCREASING TO GOOD (66900  
KNOT-FT) IN THE AFTERNOON.  
HAINES INDEX........4 OR LOW POTENTIAL FOR LARGE PLUME DOMINATED  
FIRE GROWTH.  
   
FORECAST DAYS 3 THROUGH 7
 
   
THURSDAY
 
CLEAR. LOWS IN THE UPPER 30S. HIGHS IN THE MID 60S.  
SOUTHWEST WINDS AROUND 10 MPH.    
FRIDAY
 
MOSTLY CLEAR. LOWS IN THE LOWER 40S. HIGHS IN THE MID  
60S. SOUTHWEST WINDS AROUND 10 MPH.    
SATURDAY
 
COOLER. PARTLY CLOUDY. SLIGHT CHANCE OF SHOWERS AND  
SNOW SHOWERS. LOWS IN THE MID 30S. HIGHS AROUND 50. WEST WINDS  
AROUND 15 MPH.    
SUNDAY
 
CLEAR. LOWS IN THE LOWER 30S. HIGHS IN THE LOWER 50S.    
MONDAY
 
MOSTLY CLEAR. LOWS IN THE MID 30S. HIGHS IN THE LOWER  
50S.  
 

 
 
WYZ303-172215-  
CENTRAL AND NORTHERN CARBON/FERRIS-SEMINOE-SHIRLEY MOUNTAINS-  
200 AM MDT TUE OCT 17 2017  
   
TODAY
 
 
SKY/WEATHER.........MOSTLY SUNNY.  
MAX TEMPERATURE.....62-67.  
24 HR TREND......2 DEGREES WARMER.  
MIN HUMIDITY........8-14 PERCENT.  
24 HR TREND......3 PERCENT WETTER.  
20-FOOT WINDS.......SOUTHWEST AROUND 10 MPH INCREASING TO AROUND 20  
MPH IN THE AFTERNOON. GUSTS UP TO 35 MPH.  
LAL.................1.  
CHC OF WETTING RAIN.ZERO PERCENT.  
TRANSPORT WINDS.....SOUTHWEST AROUND 15 MPH INCREASING TO AROUND 25  
MPH IN THE AFTERNOON.  
MIXING HEIGHT.......400-900 FT AGL INCREASING TO 3600-5400 FT AGL  
IN THE AFTERNOON.  
SMOKE DISPERSAL.....POOR (8800 KNOT-FT) INCREASING TO GOOD (88600  
KNOT-FT) IN THE AFTERNOON.  
HAINES INDEX........5 OR MODERATE POTENTIAL FOR LARGE PLUME  
DOMINATED FIRE GROWTH.  
   
TONIGHT
 
 
SKY/WEATHER.........MOSTLY CLEAR.  
MIN TEMPERATURE.....34-39.  
24 HR TREND......2 DEGREES WARMER.  
MAX HUMIDITY........41-47 PERCENT.  
24 HR TREND......7 PERCENT DRIER.  
HUMIDITY RECOVERY...POOR.  
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.......400-1000 FT AGL.  
SMOKE DISPERSAL.....POOR (7800-9800 KNOT-FT).  
HAINES INDEX........5 OR MODERATE POTENTIAL FOR LARGE PLUME  
DOMINATED FIRE GROWTH.  
   
WEDNESDAY
 
 
SKY/WEATHER.........SUNNY.  
MAX TEMPERATURE.....60-65.  
24 HR TREND......2 DEGREES COOLER.  
MIN HUMIDITY........11-17 PERCENT.  
24 HR TREND......3 PERCENT WETTER.  
20-FOOT WINDS.......SOUTHWEST 10 TO 15 MPH WITH HIGHER GUSTS.  
LAL.................1.  
CHC OF WETTING RAIN.ZERO PERCENT.  
TRANSPORT WINDS.....SOUTHWEST 15 TO 20 MPH.  
MIXING HEIGHT.......400-900 FT AGL INCREASING TO 4600-5800 FT AGL  
IN THE AFTERNOON.  
SMOKE DISPERSAL.....POOR (7100 KNOT-FT) INCREASING TO GOOD (77100  
KNOT-FT) IN THE AFTERNOON.  
HAINES INDEX........4 OR LOW POTENTIAL FOR LARGE PLUME DOMINATED  
FIRE GROWTH.  
   
FORECAST DAYS 3 THROUGH 7
 
   
THURSDAY
 
CLEAR. LOWS IN THE MID 30S. HIGHS IN THE MID 60S.  
SOUTHWEST WINDS AROUND 10 MPH.    
FRIDAY
 
MOSTLY CLEAR. LOWS AROUND 40. HIGHS IN THE LOWER 60S.  
SOUTHWEST WINDS AROUND 10 MPH.    
SATURDAY
 
COOLER. PARTLY CLOUDY. CHANCE OF SHOWERS AND SLIGHT  
CHANCE OF SNOW SHOWERS. LOWS IN THE LOWER 30S. HIGHS IN THE UPPER  
40S. WEST WINDS AROUND 15 MPH.    
SUNDAY
 
MOSTLY CLEAR. LOWS IN THE LOWER 30S. HIGHS IN THE LOWER  
50S.    
MONDAY
 
MOSTLY CLEAR. LOWS IN THE MID 30S. HIGHS IN THE LOWER  
50S.  
 

 
 
WYZ304-172215-  
SOUTHWEST CARBON COUNTY-  
200 AM MDT TUE OCT 17 2017  
   
TODAY
 
 
SKY/WEATHER.........MOSTLY SUNNY.  
MAX TEMPERATURE.....63-68.  
24 HR TREND......1 DEGREE COOLER.  
MIN HUMIDITY........12 PERCENT.  
24 HR TREND......3 PERCENT WETTER.  
20-FOOT WINDS.......SOUTHWEST 10 TO 15 MPH. GUSTS UP TO 20 MPH  
INCREASING TO 30 MPH IN THE AFTERNOON.  
LAL.................1.  
CHC OF WETTING RAIN.ZERO PERCENT.  
TRANSPORT WINDS.....SOUTH AROUND 10 MPH INCREASING TO SOUTHWEST  
AROUND 20 MPH IN THE AFTERNOON.  
MIXING HEIGHT.......300-800 FT AGL INCREASING TO 3900-4500 FT AGL  
IN THE AFTERNOON.  
SMOKE DISPERSAL.....POOR (5100 KNOT-FT) INCREASING TO GOOD (64100  
KNOT-FT) IN THE AFTERNOON.  
HAINES INDEX........4 OR LOW POTENTIAL FOR LARGE PLUME DOMINATED  
FIRE GROWTH.  
   
TONIGHT
 
 
SKY/WEATHER.........MOSTLY CLEAR.  
MIN TEMPERATURE.....31-36.  
24 HR TREND......2 DEGREES WARMER.  
MAX HUMIDITY........48-54 PERCENT.  
24 HR TREND......7 PERCENT WETTER.  
HUMIDITY RECOVERY...POOR.  
20-FOOT WINDS.......SOUTH 5 TO 10 MPH.  
LAL.................1.  
CHC OF WETTING RAIN.ZERO PERCENT.  
TRANSPORT WINDS.....SOUTH AROUND 10 MPH.  
MIXING HEIGHT.......400-1100 FT AGL.  
SMOKE DISPERSAL.....POOR (4900-7500 KNOT-FT).  
HAINES INDEX........5 OR MODERATE POTENTIAL FOR LARGE PLUME  
DOMINATED FIRE GROWTH.  
   
WEDNESDAY
 
 
SKY/WEATHER.........SUNNY.  
MAX TEMPERATURE.....63-69.  
24 HR TREND......2 DEGREES COOLER.  
MIN HUMIDITY........13 PERCENT.  
24 HR TREND......1 PERCENT WETTER.  
20-FOOT WINDS.......SOUTHWEST 5 TO 10 MPH AND GUSTY.  
LAL.................1.  
CHC OF WETTING RAIN.ZERO PERCENT.  
TRANSPORT WINDS.....SOUTHWEST 10 TO 15 MPH.  
MIXING HEIGHT.......400-900 FT AGL INCREASING TO 5500-7100 FT AGL  
IN THE AFTERNOON.  
SMOKE DISPERSAL.....POOR (4400 KNOT-FT) INCREASING TO GOOD (72200  
KNOT-FT) IN THE AFTERNOON.  
HAINES INDEX........3 OR VERY LOW POTENTIAL FOR LARGE PLUME  
DOMINATED FIRE GROWTH.  
   
FORECAST DAYS 3 THROUGH 7
 
   
THURSDAY
 
CLEAR. LOWS IN THE LOWER 30S. HIGHS IN THE UPPER 60S.  
SOUTH WINDS AROUND 10 MPH.    
FRIDAY
 
MOSTLY CLEAR. SLIGHT CHANCE OF SHOWERS. LOWS IN THE  
UPPER 30S. HIGHS IN THE MID 60S. SOUTHWEST WINDS AROUND 10 MPH.    
SATURDAY
 
COOLER. PARTLY CLOUDY. CHANCE OF SHOWERS AND SLIGHT  
CHANCE OF SNOW SHOWERS. LOWS IN THE LOWER 30S. HIGHS IN THE LOWER  
50S. WEST WINDS AROUND 10 MPH.    
SUNDAY
 
MOSTLY CLEAR. LOWS IN THE UPPER 20S. HIGHS IN THE MID  
50S.    
MONDAY
 
MOSTLY CLEAR. LOWS IN THE LOWER 30S. HIGHS IN THE UPPER  
50S.  
 

 
 
WYZ305-172215-  
SIERRA MADRE RANGE/MEDICINE BOW NF-  
200 AM MDT TUE OCT 17 2017  
   
TODAY
 
 
SKY/WEATHER.........MOSTLY SUNNY.  
MAX TEMPERATURE.....57-63.  
24 HR TREND......3 DEGREES WARMER.  
MIN HUMIDITY........8-14 PERCENT.  
24 HR TREND......3 PERCENT WETTER.  
20-FOOT WINDS.......SOUTHWEST 10 TO 15 MPH WITH HIGHER GUSTS.  
LAL.................1.  
CHC OF WETTING RAIN.ZERO PERCENT.  
TRANSPORT WINDS.....SOUTHWEST 15 TO 20 MPH.  
MIXING HEIGHT.......600-1100 FT AGL INCREASING TO 3200-4700 FT AGL  
IN THE AFTERNOON.  
SMOKE DISPERSAL.....POOR (10100 KNOT-FT) INCREASING TO GOOD (61600  
KNOT-FT) IN THE AFTERNOON.  
HAINES INDEX........4 OR LOW POTENTIAL FOR LARGE PLUME DOMINATED  
FIRE GROWTH.  
   
TONIGHT
 
 
SKY/WEATHER.........MOSTLY CLEAR.  
MIN TEMPERATURE.....32-37.  
24 HR TREND......4 DEGREES WARMER.  
MAX HUMIDITY........34-40 PERCENT.  
24 HR TREND......4 PERCENT WETTER.  
HUMIDITY RECOVERY...POOR.  
20-FOOT WINDS.......SOUTHWEST AROUND 10 MPH.  
LAL.................1.  
CHC OF WETTING RAIN.ZERO PERCENT.  
TRANSPORT WINDS.....SOUTHWEST AROUND 15 MPH.  
MIXING HEIGHT.......600-1200 FT AGL.  
SMOKE DISPERSAL.....POOR (10300-12200 KNOT-FT).  
HAINES INDEX........5 OR MODERATE POTENTIAL FOR LARGE PLUME  
DOMINATED FIRE GROWTH.  
   
WEDNESDAY
 
 
SKY/WEATHER.........SUNNY.  
MAX TEMPERATURE.....55-63.  
24 HR TREND......2 DEGREES COOLER.  
MIN HUMIDITY........11-17 PERCENT.  
24 HR TREND......2 PERCENT WETTER.  
20-FOOT WINDS.......SOUTHWEST 5 TO 10 MPH AND GUSTY.  
LAL.................1.  
CHC OF WETTING RAIN.ZERO PERCENT.  
TRANSPORT WINDS.....SOUTHWEST 10 TO 15 MPH.  
MIXING HEIGHT.......600-1100 FT AGL INCREASING TO 4600-6300 FT AGL  
IN THE AFTERNOON.  
SMOKE DISPERSAL.....POOR (8100 KNOT-FT) INCREASING TO GOOD (66500  
KNOT-FT) IN THE AFTERNOON.  
HAINES INDEX........3 OR VERY LOW POTENTIAL FOR LARGE PLUME  
DOMINATED FIRE GROWTH.  
   
FORECAST DAYS 3 THROUGH 7
 
   
THURSDAY
 
CLEAR. LOWS IN THE MID 30S. HIGHS IN THE LOWER 60S.  
SOUTHWEST WINDS AROUND 10 MPH.    
FRIDAY
 
MOSTLY CLEAR. SLIGHT CHANCE OF SHOWERS. LOWS IN THE  
UPPER 30S. HIGHS AROUND 60. SOUTHWEST WINDS AROUND 10 MPH.    
SATURDAY
 
COOLER. PARTLY CLOUDY. CHANCE OF SHOWERS AND SNOW  
SHOWERS. LOWS IN THE UPPER 20S. HIGHS IN THE UPPER 40S. WEST  
WINDS AROUND 10 MPH.    
SUNDAY
 
MOSTLY CLEAR. LOWS IN THE UPPER 20S. HIGHS IN THE UPPER  
40S.    
MONDAY
 
MOSTLY CLEAR. LOWS IN THE LOWER 30S. HIGHS AROUND 50.  
 

 
 
WYZ306-172215-  
UPPER NORTH PLATTE RIVER BASIN-  
200 AM MDT TUE OCT 17 2017  
 
...RED FLAG WARNING IN EFFECT FROM NOON TODAY TO 6 PM MDT THIS  
EVENING...  
   
TODAY
 
 
SKY/WEATHER.........MOSTLY SUNNY.  
MAX TEMPERATURE.....63-68.  
24 HR TREND......2 DEGREES WARMER.  
MIN HUMIDITY........12 PERCENT.  
24 HR TREND......3 PERCENT WETTER.  
20-FOOT WINDS.......SOUTHWEST 10 TO 15 MPH WITH HIGHER GUSTS.  
LAL.................1.  
CHC OF WETTING RAIN.ZERO PERCENT.  
TRANSPORT WINDS.....SOUTH AROUND 10 MPH INCREASING TO SOUTHWEST  
AROUND 20 MPH IN THE AFTERNOON.  
MIXING HEIGHT.......700-1200 FT AGL INCREASING TO 4700-5800 FT AGL  
IN THE AFTERNOON.  
SMOKE DISPERSAL.....POOR (8400 KNOT-FT) INCREASING TO GOOD (79500  
KNOT-FT) IN THE AFTERNOON.  
HAINES INDEX........4 OR LOW POTENTIAL FOR LARGE PLUME DOMINATED  
FIRE GROWTH.  
   
TONIGHT
 
 
SKY/WEATHER.........MOSTLY CLEAR.  
MIN TEMPERATURE.....33-38.  
24 HR TREND......3 DEGREES WARMER.  
MAX HUMIDITY........38-44 PERCENT.  
24 HR TREND......UNCHANGED.  
HUMIDITY RECOVERY...POOR.  
20-FOOT WINDS.......SOUTHWEST AROUND 10 MPH.  
LAL.................1.  
CHC OF WETTING RAIN.ZERO PERCENT.  
TRANSPORT WINDS.....SOUTHWEST AROUND 10 MPH.  
MIXING HEIGHT.......600-1200 FT AGL.  
SMOKE DISPERSAL.....POOR (8000-8800 KNOT-FT).  
HAINES INDEX........5 OR MODERATE POTENTIAL FOR LARGE PLUME  
DOMINATED FIRE GROWTH.  
   
WEDNESDAY
 
 
SKY/WEATHER.........SUNNY.  
MAX TEMPERATURE.....61-66.  
24 HR TREND......1 DEGREE COOLER.  
MIN HUMIDITY........15 PERCENT.  
24 HR TREND......3 PERCENT WETTER.  
20-FOOT WINDS.......SOUTHWEST 5 TO 10 MPH. GUSTS UP TO 15 MPH  
INCREASING TO 25 MPH IN THE AFTERNOON.  
LAL.................1.  
CHC OF WETTING RAIN.ZERO PERCENT.  
TRANSPORT WINDS.....SOUTHWEST 10 TO 15 MPH.  
MIXING HEIGHT.......600-1100 FT AGL INCREASING TO 6000-6800 FT AGL  
IN THE AFTERNOON.  
SMOKE DISPERSAL.....POOR (7100 KNOT-FT) INCREASING TO GOOD (78900  
KNOT-FT) IN THE AFTERNOON.  
HAINES INDEX........3 OR VERY LOW POTENTIAL FOR LARGE PLUME  
DOMINATED FIRE GROWTH.  
   
FORECAST DAYS 3 THROUGH 7
 
   
THURSDAY
 
CLEAR. LOWS IN THE LOWER 30S. HIGHS IN THE MID 60S.  
SOUTH WINDS AROUND 10 MPH.    
FRIDAY
 
MOSTLY CLEAR. LOWS IN THE UPPER 30S. HIGHS IN THE LOWER  
60S. SOUTHWEST WINDS AROUND 10 MPH.    
SATURDAY
 
COOLER. PARTLY CLOUDY. CHANCE OF SHOWERS AND SNOW  
SHOWERS. LOWS AROUND 30. HIGHS IN THE UPPER 40S. WEST WINDS  
AROUND 10 MPH.    
SUNDAY
 
MOSTLY CLEAR. LOWS IN THE UPPER 20S. HIGHS IN THE LOWER  
50S.    
MONDAY
 
MOSTLY CLEAR. LOWS IN THE LOWER 30S. HIGHS IN THE LOWER  
50S.  
 

 
 
WYZ307-172215-  
SNOWY RANGE/MEDICINE BOW NF-  
200 AM MDT TUE OCT 17 2017  
   
TODAY
 
 
SKY/WEATHER.........MOSTLY SUNNY.  
MAX TEMPERATURE.....55-63.  
24 HR TREND......2 DEGREES COOLER.  
MIN HUMIDITY........9-15 PERCENT.  
24 HR TREND......3 PERCENT WETTER.  
20-FOOT WINDS.......SOUTHWEST AROUND 15 MPH WITH HIGHER GUSTS.  
LAL.................1.  
CHC OF WETTING RAIN.ZERO PERCENT.  
TRANSPORT WINDS.....SOUTHWEST AROUND 20 MPH.  
MIXING HEIGHT.......600-1100 FT AGL INCREASING TO 4400-5900 FT AGL  
IN THE AFTERNOON.  
SMOKE DISPERSAL.....POOR (14300 KNOT-FT) INCREASING TO GOOD (96500  
KNOT-FT) IN THE AFTERNOON.  
HAINES INDEX........3 OR VERY LOW POTENTIAL FOR LARGE PLUME  
DOMINATED FIRE GROWTH.  
   
TONIGHT
 
 
SKY/WEATHER.........MOSTLY CLEAR.  
MIN TEMPERATURE.....32-37.  
24 HR TREND......4 DEGREES WARMER.  
MAX HUMIDITY........32-38 PERCENT.  
24 HR TREND......1 PERCENT DRIER.  
HUMIDITY RECOVERY...POOR.  
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.......600-1300 FT AGL.  
SMOKE DISPERSAL.....POOR (13100-15200 KNOT-FT).  
HAINES INDEX........5 OR MODERATE POTENTIAL FOR LARGE PLUME  
DOMINATED FIRE GROWTH.  
   
WEDNESDAY
 
 
SKY/WEATHER.........SUNNY.  
MAX TEMPERATURE.....53-61.  
24 HR TREND......2 DEGREES WARMER.  
MIN HUMIDITY........13-19 PERCENT.  
24 HR TREND......3 PERCENT WETTER.  
20-FOOT WINDS.......WEST AROUND 10 MPH WITH HIGHER GUSTS.  
LAL.................1.  
CHC OF WETTING RAIN.ZERO PERCENT.  
TRANSPORT WINDS.....WEST AROUND 15 MPH.  
MIXING HEIGHT.......700-1200 FT AGL INCREASING TO 4300-6000 FT AGL  
IN THE AFTERNOON.  
SMOKE DISPERSAL.....POOR (13000 KNOT-FT) INCREASING TO GOOD (74000  
KNOT-FT) IN THE AFTERNOON.  
HAINES INDEX........3 OR VERY LOW POTENTIAL FOR LARGE PLUME  
DOMINATED FIRE GROWTH.  
   
FORECAST DAYS 3 THROUGH 7
 
   
THURSDAY
 
CLEAR. LOWS IN THE LOWER 30S. HIGHS IN THE UPPER 50S.  
SOUTHWEST WINDS AROUND 10 MPH.    
FRIDAY
 
MOSTLY CLEAR. LOWS IN THE MID 30S. HIGHS IN THE UPPER  
50S. SOUTHWEST WINDS AROUND 10 MPH.    
SATURDAY
 
COOLER. PARTLY CLOUDY. CHANCE OF SNOW SHOWERS AND  
SHOWERS. LOWS IN THE MID 20S. HIGHS IN THE MID 40S. WEST WINDS  
AROUND 10 MPH.    
SUNDAY
 
CLEAR. LOWS IN THE MID 20S. HIGHS IN THE UPPER 40S.    
MONDAY
 
MOSTLY CLEAR. LOWS AROUND 30. HIGHS IN THE UPPER 40S.  
 

 
 
WYZ308-172215-  
LARAMIE VALLEY/SHIRLEY BASIN-  
200 AM MDT TUE OCT 17 2017  
   
TODAY
 
 
SKY/WEATHER.........MOSTLY SUNNY.  
MAX TEMPERATURE.....64-69.  
24 HR TREND......4 DEGREES WARMER.  
MIN HUMIDITY........8-14 PERCENT.  
24 HR TREND......1 PERCENT WETTER.  
20-FOOT WINDS.......SOUTHWEST AROUND 10 MPH WITH HIGHER GUSTS  
INCREASING TO WEST AROUND 20 MPH WITH GUSTS TO  
AROUND 35 MPH IN THE AFTERNOON.  
LAL.................1.  
CHC OF WETTING RAIN.ZERO PERCENT.  
TRANSPORT WINDS.....WEST 15 TO 20 MPH.  
MIXING HEIGHT.......400-900 FT AGL INCREASING TO 5400-7400 FT AGL  
IN THE AFTERNOON.  
SMOKE DISPERSAL.....POOR (7300 KNOT-FT) INCREASING TO VERY GOOD  
(116000 KNOT-FT) IN THE AFTERNOON.  
HAINES INDEX........5 OR MODERATE POTENTIAL FOR LARGE PLUME  
DOMINATED FIRE GROWTH.  
   
TONIGHT
 
 
SKY/WEATHER.........MOSTLY CLEAR.  
MIN TEMPERATURE.....34-39.  
24 HR TREND......2 DEGREES WARMER.  
MAX HUMIDITY........42-48 PERCENT.  
24 HR TREND......5 PERCENT DRIER.  
HUMIDITY RECOVERY...POOR.  
20-FOOT WINDS.......SOUTHWEST AROUND 10 MPH.  
LAL.................1.  
CHC OF WETTING RAIN.ZERO PERCENT.  
TRANSPORT WINDS.....SOUTHWEST AROUND 15 MPH.  
MIXING HEIGHT.......300-900 FT AGL.  
SMOKE DISPERSAL.....POOR (6100-7000 KNOT-FT).  
HAINES INDEX........5 OR MODERATE POTENTIAL FOR LARGE PLUME  
DOMINATED FIRE GROWTH.  
   
WEDNESDAY
 
 
SKY/WEATHER.........SUNNY.  
MAX TEMPERATURE.....61-66.  
24 HR TREND......3 DEGREES COOLER.  
MIN HUMIDITY........11-17 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 10 TO 15 MPH.  
MIXING HEIGHT.......600 FT AGL INCREASING TO 5100-6400 FT AGL IN  
THE AFTERNOON.  
SMOKE DISPERSAL.....POOR (6300 KNOT-FT) INCREASING TO GOOD (78600  
KNOT-FT) IN THE AFTERNOON.  
HAINES INDEX........4 OR LOW POTENTIAL FOR LARGE PLUME DOMINATED  
FIRE GROWTH.  
   
FORECAST DAYS 3 THROUGH 7
 
   
THURSDAY
 
CLEAR. LOWS IN THE LOWER 30S. HIGHS IN THE MID 60S.  
SOUTHWEST WINDS AROUND 5 MPH.    
FRIDAY
 
MOSTLY CLEAR. LOWS IN THE UPPER 30S. HIGHS IN THE MID  
60S. SOUTHWEST WINDS AROUND 10 MPH.    
SATURDAY
 
COOLER. PARTLY CLOUDY. SLIGHT CHANCE OF SHOWERS AND  
SNOW SHOWERS. LOWS IN THE LOWER 30S. HIGHS AROUND 50. WEST WINDS  
AROUND 10 MPH.    
SUNDAY
 
CLEAR. LOWS IN THE UPPER 20S. HIGHS IN THE LOWER 50S.    
MONDAY
 
MOSTLY CLEAR. LOWS IN THE MID 30S. HIGHS IN THE LOWER  
50S.  
 

 
 
WYZ309-172215-  
SOUTH LARAMIE RANGE/MEDICINE BOW NF-  
200 AM MDT TUE OCT 17 2017  
 
...RED FLAG WARNING IN EFFECT FROM NOON TODAY TO 6 PM MDT THIS  
EVENING...  
   
TODAY
 
 
SKY/WEATHER.........MOSTLY SUNNY.  
MAX TEMPERATURE.....67-75.  
24 HR TREND......8 DEGREES WARMER.  
MIN HUMIDITY........11 PERCENT.  
24 HR TREND......1 PERCENT WETTER.  
20-FOOT WINDS.......WEST 15 TO 20 MPH WITH GUSTS TO AROUND 35 MPH.  
LAL.................1.  
CHC OF WETTING RAIN.ZERO PERCENT.  
TRANSPORT WINDS.....WEST AROUND 20 MPH.  
MIXING HEIGHT.......400-900 FT AGL INCREASING TO 7500-9500 FT AGL  
IN THE AFTERNOON.  
SMOKE DISPERSAL.....POOR (10300 KNOT-FT) INCREASING TO EXCELLENT  
(161600 KNOT-FT) IN THE AFTERNOON.  
HAINES INDEX........5 OR MODERATE POTENTIAL FOR LARGE PLUME  
DOMINATED FIRE GROWTH.  
   
TONIGHT
 
 
SKY/WEATHER.........MOSTLY CLEAR.  
MIN TEMPERATURE.....38-44.  
24 HR TREND......6 DEGREES WARMER.  
MAX HUMIDITY........29-35 PERCENT.  
24 HR TREND......4 PERCENT DRIER.  
HUMIDITY RECOVERY...POOR.  
20-FOOT WINDS.......WEST 10 TO 15 MPH AND GUSTY.  
LAL.................1.  
CHC OF WETTING RAIN.ZERO PERCENT.  
TRANSPORT WINDS.....WEST 15 TO 20 MPH.  
MIXING HEIGHT.......400-900 FT AGL.  
SMOKE DISPERSAL.....POOR (8400-10200 KNOT-FT).  
HAINES INDEX........5 OR MODERATE POTENTIAL FOR LARGE PLUME  
DOMINATED FIRE GROWTH.  
   
WEDNESDAY
 
 
SKY/WEATHER.........MOSTLY SUNNY.  
MAX TEMPERATURE.....63-71.  
24 HR TREND......7 DEGREES COOLER.  
MIN HUMIDITY........9-15 PERCENT.  
24 HR TREND......3 PERCENT WETTER.  
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.......400-900 FT AGL INCREASING TO 5700-7100 FT AGL  
IN THE AFTERNOON.  
SMOKE DISPERSAL.....POOR (10200 KNOT-FT) INCREASING TO GOOD (87200  
KNOT-FT) IN THE AFTERNOON.  
HAINES INDEX........4 OR LOW POTENTIAL FOR LARGE PLUME DOMINATED  
FIRE GROWTH.  
   
FORECAST DAYS 3 THROUGH 7
 
   
THURSDAY
 
CLEAR. LOWS IN THE UPPER 30S. HIGHS IN THE UPPER 60S.  
SOUTHWEST WINDS AROUND 10 MPH.    
FRIDAY
 
MOSTLY CLEAR. LOWS IN THE LOWER 40S. HIGHS IN THE UPPER  
60S. SOUTHWEST WINDS AROUND 10 MPH.    
SATURDAY
 
COOLER. PARTLY CLOUDY. LOWS IN THE MID 30S. HIGHS IN  
THE LOWER 50S. WEST WINDS AROUND 15 MPH.    
SUNDAY
 
CLEAR. LOWS IN THE LOWER 30S. HIGHS IN THE MID 50S.    
MONDAY
 
MOSTLY CLEAR. LOWS IN THE UPPER 30S. HIGHS IN THE MID  
50S.  
 

 
 
WYZ310-172215-  
PLATTE/GOSHEN/CENTRAL AND EASTERN LARAMIE-  
200 AM MDT TUE OCT 17 2017  
 
...RED FLAG WARNING IN EFFECT FROM NOON TODAY TO 6 PM MDT THIS  
EVENING...  
   
TODAY
 
 
SKY/WEATHER.........MOSTLY SUNNY.  
MAX TEMPERATURE.....75-80.  
24 HR TREND......5 DEGREES WARMER.  
MIN HUMIDITY........10 PERCENT.  
24 HR TREND......1 PERCENT WETTER.  
20-FOOT WINDS.......WEST 10 TO 15 MPH. GUSTS UP TO 20 MPH  
INCREASING TO 30 MPH IN THE AFTERNOON.  
LAL.................1.  
CHC OF WETTING RAIN.ZERO PERCENT.  
TRANSPORT WINDS.....WEST 10 TO 15 MPH.  
MIXING HEIGHT.......500 FT AGL INCREASING TO 8600-10600 FT AGL IN  
THE AFTERNOON.  
SMOKE DISPERSAL.....POOR (4600 KNOT-FT) INCREASING TO VERY GOOD  
(139200 KNOT-FT) IN THE AFTERNOON.  
HAINES INDEX........5 OR MODERATE POTENTIAL FOR LARGE PLUME  
DOMINATED FIRE GROWTH.  
   
TONIGHT
 
 
SKY/WEATHER.........MOSTLY CLEAR.  
MIN TEMPERATURE.....41-46.  
24 HR TREND......6 DEGREES WARMER.  
MAX HUMIDITY........36-42 PERCENT.  
24 HR TREND......13 PERCENT DRIER.  
HUMIDITY RECOVERY...POOR.  
20-FOOT WINDS.......WEST 5 TO 10 MPH.  
LAL.................1.  
CHC OF WETTING RAIN.ZERO PERCENT.  
TRANSPORT WINDS.....WEST AROUND 10 MPH.  
MIXING HEIGHT.......200-900 FT AGL.  
SMOKE DISPERSAL.....POOR (4500-5000 KNOT-FT).  
HAINES INDEX........6 OR HIGH POTENTIAL FOR LARGE PLUME DOMINATED  
FIRE GROWTH.  
   
WEDNESDAY
 
 
SKY/WEATHER.........MOSTLY SUNNY.  
MAX TEMPERATURE.....69-74.  
24 HR TREND......6 DEGREES COOLER.  
MIN HUMIDITY........10-16 PERCENT.  
24 HR TREND......4 PERCENT WETTER.  
20-FOOT WINDS.......WEST 5 TO 10 MPH AND GUSTY.  
LAL.................1.  
CHC OF WETTING RAIN.ZERO PERCENT.  
TRANSPORT WINDS.....WEST AROUND 10 MPH.  
MIXING HEIGHT.......600 FT AGL INCREASING TO 4300-6300 FT AGL IN  
THE AFTERNOON.  
SMOKE DISPERSAL.....POOR (6100-35100 KNOT-FT).  
HAINES INDEX........4 OR LOW POTENTIAL FOR LARGE PLUME DOMINATED  
FIRE GROWTH.  
   
FORECAST DAYS 3 THROUGH 7
 
   
THURSDAY
 
CLEAR. LOWS IN THE UPPER 30S. HIGHS IN THE MID 70S.  
SOUTH WINDS AROUND 5 MPH.    
FRIDAY
 
MOSTLY CLEAR. LOWS IN THE LOWER 40S. HIGHS IN THE MID  
70S. WINDS GENERALLY LESS THAN 10 MPH.    
SATURDAY
 
COOLER. PARTLY CLOUDY. LOWS AROUND 40. HIGHS IN THE  
UPPER 50S. WEST WINDS AROUND 10 MPH.    
SUNDAY
 
CLEAR. LOWS IN THE LOWER 30S. HIGHS IN THE LOWER 60S.    
MONDAY
 
MOSTLY CLEAR. LOWS IN THE UPPER 30S. HIGHS IN THE LOWER  
60S.  
 

 
 
NEZ311-172215-  
PINE RIDGE/NEBRASKA NATIONAL FOREST/OGLALA NATIONAL GRASSLANDS-  
200 AM MDT TUE OCT 17 2017  
   
TODAY
 
 
SKY/WEATHER.........MOSTLY SUNNY.  
MAX TEMPERATURE.....75-80.  
24 HR TREND......3 DEGREES WARMER.  
MIN HUMIDITY........8-14 PERCENT.  
24 HR TREND......1 PERCENT DRIER.  
20-FOOT WINDS.......WEST 5 TO 10 MPH AND GUSTY.  
LAL.................1.  
CHC OF WETTING RAIN.ZERO PERCENT.  
TRANSPORT WINDS.....WEST AROUND 10 MPH.  
MIXING HEIGHT.......200-700 FT AGL INCREASING TO 6500-7500 FT AGL  
IN THE AFTERNOON.  
SMOKE DISPERSAL.....POOR (3200 KNOT-FT) INCREASING TO GOOD (68800  
KNOT-FT) IN THE AFTERNOON.  
HAINES INDEX........6 OR HIGH POTENTIAL FOR LARGE PLUME DOMINATED  
FIRE GROWTH.  
   
TONIGHT
 
 
SKY/WEATHER.........MOSTLY CLEAR.  
MIN TEMPERATURE.....40-45.  
24 HR TREND......8 DEGREES WARMER.  
MAX HUMIDITY........45-51 PERCENT.  
24 HR TREND......24 PERCENT DRIER.  
HUMIDITY RECOVERY...POOR.  
20-FOOT WINDS.......SOUTHWEST 5 TO 10 MPH.  
LAL.................1.  
CHC OF WETTING RAIN.ZERO PERCENT.  
TRANSPORT WINDS.....SOUTHWEST AROUND 10 MPH.  
MIXING HEIGHT.......400-1100 FT AGL.  
SMOKE DISPERSAL.....POOR (4100-6700 KNOT-FT).  
HAINES INDEX........6 OR HIGH POTENTIAL FOR LARGE PLUME DOMINATED  
FIRE GROWTH.  
   
WEDNESDAY
 
 
SKY/WEATHER.........SUNNY.  
MAX TEMPERATURE.....66-71.  
24 HR TREND......7 DEGREES COOLER.  
MIN HUMIDITY........16-22 PERCENT.  
24 HR TREND......7 PERCENT WETTER.  
20-FOOT WINDS.......NORTHWEST AROUND 5 MPH SHIFTING TO THE SOUTH IN  
THE AFTERNOON. GUSTS UP TO 15 MPH.  
LAL.................1.  
CHC OF WETTING RAIN.ZERO PERCENT.  
TRANSPORT WINDS.....NORTHWEST AROUND 10 MPH SHIFTING TO THE SOUTH  
IN THE AFTERNOON.  
MIXING HEIGHT.......400-900 FT AGL INCREASING TO 3700-4200 FT AGL  
IN THE AFTERNOON.  
SMOKE DISPERSAL.....POOR (5400-16600 KNOT-FT).  
HAINES INDEX........4 OR LOW POTENTIAL FOR LARGE PLUME DOMINATED  
FIRE GROWTH.  
   
FORECAST DAYS 3 THROUGH 7
 
   
THURSDAY
 
CLEAR. LOWS AROUND 40. HIGHS IN THE MID 70S. SOUTH  
WINDS AROUND 10 MPH.    
FRIDAY
 
MOSTLY CLEAR. LOWS IN THE MID 40S. HIGHS IN THE UPPER  
70S. SOUTHWEST WINDS AROUND 10 MPH.    
SATURDAY
 
COOLER. PARTLY CLOUDY WITH SLIGHT CHANCE OF SHOWERS.  
LOWS IN THE LOWER 40S. HIGHS IN THE LOWER 60S. WEST WINDS AROUND  
10 MPH.    
SUNDAY
 
CLEAR. LOWS IN THE LOWER 30S. HIGHS IN THE LOWER 60S.    
MONDAY
 
PARTLY CLOUDY. LOWS IN THE UPPER 30S. HIGHS IN THE  
LOWER 60S.  
 

 
 
NEZ312-172215-  
BOX BUTTE/SOUTH SIOUX-  
200 AM MDT TUE OCT 17 2017  
 
...RED FLAG WARNING IN EFFECT FROM NOON TODAY TO 6 PM MDT THIS  
EVENING...  
   
TODAY
 
 
SKY/WEATHER.........SUNNY.  
MAX TEMPERATURE.....76-81.  
24 HR TREND......3 DEGREES WARMER.  
MIN HUMIDITY........12 PERCENT.  
24 HR TREND......UNCHANGED.  
20-FOOT WINDS.......WEST 5 TO 10 MPH. GUSTS UP TO 15 MPH INCREASING  
TO 25 MPH IN THE AFTERNOON.  
LAL.................1.  
CHC OF WETTING RAIN.ZERO PERCENT.  
TRANSPORT WINDS.....WEST 10 TO 15 MPH.  
MIXING HEIGHT.......400 FT AGL INCREASING TO 6100-7100 FT AGL IN  
THE AFTERNOON.  
SMOKE DISPERSAL.....POOR (3100 KNOT-FT) INCREASING TO GOOD (79500  
KNOT-FT) IN THE AFTERNOON.  
HAINES INDEX........5 OR MODERATE POTENTIAL FOR LARGE PLUME  
DOMINATED FIRE GROWTH.  
   
TONIGHT
 
 
SKY/WEATHER.........MOSTLY CLEAR.  
MIN TEMPERATURE.....38-43.  
24 HR TREND......11 DEGREES WARMER.  
MAX HUMIDITY........45-51 PERCENT.  
24 HR TREND......31 PERCENT DRIER.  
HUMIDITY RECOVERY...POOR.  
20-FOOT WINDS.......WEST 5 TO 10 MPH.  
LAL.................1.  
CHC OF WETTING RAIN.ZERO PERCENT.  
TRANSPORT WINDS.....WEST AROUND 10 MPH.  
MIXING HEIGHT.......400-900 FT AGL.  
SMOKE DISPERSAL.....POOR (3600-5300 KNOT-FT).  
HAINES INDEX........5 OR MODERATE POTENTIAL FOR LARGE PLUME  
DOMINATED FIRE GROWTH.  
   
WEDNESDAY
 
 
SKY/WEATHER.........SUNNY.  
MAX TEMPERATURE.....67-72.  
24 HR TREND......9 DEGREES COOLER.  
MIN HUMIDITY........15-21 PERCENT.  
24 HR TREND......8 PERCENT WETTER.  
20-FOOT WINDS.......NORTHWEST AROUND 5 MPH SHIFTING TO THE  
SOUTHEAST IN THE AFTERNOON. GUSTS UP TO 15 MPH.  
LAL.................1.  
CHC OF WETTING RAIN.ZERO PERCENT.  
TRANSPORT WINDS.....NORTHWEST AROUND 10 MPH SHIFTING TO THE  
SOUTHEAST IN THE AFTERNOON.  
MIXING HEIGHT.......600 FT AGL INCREASING TO 3700-4200 FT AGL IN  
THE AFTERNOON.  
SMOKE DISPERSAL.....POOR (4800-16300 KNOT-FT).  
HAINES INDEX........4 OR LOW POTENTIAL FOR LARGE PLUME DOMINATED  
FIRE GROWTH.  
   
FORECAST DAYS 3 THROUGH 7
 
   
THURSDAY
 
CLEAR. LOWS IN THE UPPER 30S. HIGHS IN THE MID 70S.  
SOUTH WINDS AROUND 10 MPH.    
FRIDAY
 
MOSTLY CLEAR. LOWS IN THE LOWER 40S. HIGHS IN THE MID  
70S. WINDS GENERALLY LESS THAN 10 MPH.    
SATURDAY
 
COOLER. PARTLY CLOUDY. SLIGHT CHANCE OF SHOWERS. LOWS  
IN THE LOWER 40S. HIGHS IN THE LOWER 60S. WEST WINDS AROUND  
10 MPH.    
SUNDAY
 
CLEAR. LOWS IN THE LOWER 30S. HIGHS IN THE LOWER 60S.    
MONDAY
 
MOSTLY CLEAR. LOWS IN THE UPPER 30S. HIGHS IN THE LOWER  
60S.  
 

 
 
NEZ313-172215-  
SCOTTS BLUFF NATIONAL MONUMENT/WILDCAT HILLS-  
200 AM MDT TUE OCT 17 2017  
 
...RED FLAG WARNING IN EFFECT FROM NOON TODAY TO 6 PM MDT THIS  
EVENING...  
   
TODAY
 
 
SKY/WEATHER.........SUNNY.  
MAX TEMPERATURE.....77-82.  
24 HR TREND......2 DEGREES WARMER.  
MIN HUMIDITY........11 PERCENT.  
24 HR TREND......UNCHANGED.  
20-FOOT WINDS.......WEST AROUND 10 MPH. GUSTS UP TO 15 MPH  
INCREASING TO 25 MPH IN THE AFTERNOON.  
LAL.................1.  
CHC OF WETTING RAIN.ZERO PERCENT.  
TRANSPORT WINDS.....WEST 10 TO 15 MPH.  
MIXING HEIGHT.......200-700 FT AGL INCREASING TO 7100-9100 FT AGL  
IN THE AFTERNOON.  
SMOKE DISPERSAL.....POOR (4200 KNOT-FT) INCREASING TO VERY GOOD  
(109400 KNOT-FT) IN THE AFTERNOON.  
HAINES INDEX........5 OR MODERATE POTENTIAL FOR LARGE PLUME  
DOMINATED FIRE GROWTH.  
   
TONIGHT
 
 
SKY/WEATHER.........MOSTLY CLEAR.  
MIN TEMPERATURE.....39-44.  
24 HR TREND......8 DEGREES WARMER.  
MAX HUMIDITY........46-52 PERCENT.  
24 HR TREND......22 PERCENT DRIER.  
HUMIDITY RECOVERY...POOR.  
20-FOOT WINDS.......WEST 5 TO 10 MPH.  
LAL.................1.  
CHC OF WETTING RAIN.ZERO PERCENT.  
TRANSPORT WINDS.....WEST AROUND 10 MPH.  
MIXING HEIGHT.......200-1000 FT AGL.  
SMOKE DISPERSAL.....POOR (4500-5600 KNOT-FT).  
HAINES INDEX........5 OR MODERATE POTENTIAL FOR LARGE PLUME  
DOMINATED FIRE GROWTH.  
   
WEDNESDAY
 
 
SKY/WEATHER.........MOSTLY SUNNY.  
MAX TEMPERATURE.....69-74.  
24 HR TREND......9 DEGREES COOLER.  
MIN HUMIDITY........14-20 PERCENT.  
24 HR TREND......8 PERCENT WETTER.  
20-FOOT WINDS.......NORTHWEST AROUND 10 MPH SHIFTING TO THE  
NORTHEAST IN THE AFTERNOON. GUSTS UP TO 20 MPH.  
LAL.................1.  
CHC OF WETTING RAIN.ZERO PERCENT.  
TRANSPORT WINDS.....NORTHWEST AROUND 10 MPH SHIFTING TO THE  
NORTHEAST IN THE AFTERNOON.  
MIXING HEIGHT.......600 FT AGL INCREASING TO 3500-4100 FT AGL IN  
THE AFTERNOON.  
SMOKE DISPERSAL.....POOR (5800-21600 KNOT-FT).  
HAINES INDEX........5 OR MODERATE POTENTIAL FOR LARGE PLUME  
DOMINATED FIRE GROWTH.  
   
FORECAST DAYS 3 THROUGH 7
 
   
THURSDAY
 
CLEAR. LOWS IN THE UPPER 30S. HIGHS IN THE MID 70S.  
SOUTH WINDS AROUND 10 MPH.    
FRIDAY
 
MOSTLY CLEAR. LOWS IN THE LOWER 40S. HIGHS IN THE MID  
70S. WINDS GENERALLY LESS THAN 10 MPH.    
SATURDAY
 
COOLER. PARTLY CLOUDY WITH SLIGHT CHANCE OF SHOWERS.  
LOWS IN THE LOWER 40S. HIGHS IN THE LOWER 60S. NORTHWEST WINDS  
AROUND 10 MPH.    
SUNDAY
 
CLEAR. LOWS IN THE LOWER 30S. HIGHS IN THE LOWER 60S.    
MONDAY
 
MOSTLY CLEAR. LOWS IN THE UPPER 30S. HIGHS IN THE LOWER  
60S.  
 

 
MAJ/RE  
 
CLICK HERE TO GO TO PREVIOUS BULLETINS.

The Nexlab WY Page
The Nexlab NE Page Main Text Page