529  
FNUS55 KCYS 220834  
FWFCYS  
 
FIRE WEATHER PLANNING FORECAST FOR SOUTHEAST WYOMING/WESTERN NEBRASKA  
NATIONAL WEATHER SERVICE CHEYENNE WY  
234 AM MDT SUN OCT 22 2017  
 
HIGH WIND WARNING IN EFFECT FROM 9 AM THIS MORNING TO 6 PM MDT  
THIS EVENING  
HIGH WIND WARNING IN EFFECT UNTIL 4 AM MDT MONDAY  
   
DISCUSSION
 
 
AFTERNOON RH VALUES WILL REMAIN AROUND 20 PERCENT OVER THE PLAINS  
THROUGH MONDAY AFTERNOON. ELEVATED FIRE WEATHER CONDITIONS ARE  
LIKELY IN THE WYOMING/NEBRASKA PLAINS ON MONDAY AFTERNOON, BUT  
COOLER TEMPERATURES SHOULD LIMIT RH VALUES FROM DROPPING TO  
CRITICAL LEVELS. CONTINUED DRY CONDITIONS THROUGH AT LEAST  
WEDNESDAY BUT SIGNIFICANT FIRE WEATHER CONCERNS NOT EXPECTED AT  
THIS TIME.  
 
WYZ301-222215-  
NIOBRARA/LOWER ELEVATIONS OF CONVERSE/THUNDER BASIN NATIONAL  
GRASSLAND-  
234 AM MDT SUN OCT 22 2017  
 
...HIGH WIND WARNING IN EFFECT FROM 9 AM THIS MORNING TO 6 PM MDT  
THIS EVENING...  
   
TODAY
 
 
SKY/WEATHER.........PARTLY CLOUDY.  
MAX TEMPERATURE.....66-71.  
24 HR TREND......15 DEGREES WARMER.  
MIN HUMIDITY........18-24 PERCENT.  
24 HR TREND......4 PERCENT WETTER.  
20-FOOT WINDS.......BREEZY. WEST AROUND 25 MPH WITH GUSTS TO AROUND  
60 MPH.  
LAL.................1.  
CHC OF WETTING RAIN.ZERO PERCENT.  
TRANSPORT WINDS.....WEST 30 TO 35 MPH.  
MIXING HEIGHT.......900-1400 FT AGL INCREASING TO 5600-6700 FT AGL  
IN THE AFTERNOON.  
SMOKE DISPERSAL.....POOR (31800 KNOT-FT) INCREASING TO EXCELLENT  
(178400 KNOT-FT) IN THE AFTERNOON.  
HAINES INDEX........2 OR VERY LOW POTENTIAL FOR LARGE PLUME  
DOMINATED FIRE GROWTH.  
   
TONIGHT
 
 
SKY/WEATHER.........PARTLY CLOUDY. SLIGHT CHANCE OF SHOWERS AFTER  
2400.  
MIN TEMPERATURE.....38-43.  
24 HR TREND......4 DEGREES WARMER.  
MAX HUMIDITY........62-68 PERCENT.  
24 HR TREND......4 PERCENT DRIER.  
HUMIDITY RECOVERY...FAIR.  
20-FOOT WINDS.......NORTHWEST 10 TO 15 MPH. GUSTS UP TO 40 MPH  
DECREASING TO 30 MPH AFTER MIDNIGHT.  
LAL.................1.  
CHC OF WETTING RAIN.ZERO PERCENT.  
TRANSPORT WINDS.....NORTHWEST 25 TO 30 MPH.  
MIXING HEIGHT.......800-2800 FT AGL.  
SMOKE DISPERSAL.....FAIR (43300-55800 KNOT-FT).  
HAINES INDEX........2 OR VERY LOW POTENTIAL FOR LARGE PLUME  
DOMINATED FIRE GROWTH.  
   
MONDAY
 
 
SKY/WEATHER.........PARTLY CLOUDY UNTIL 1500, THEN MOSTLY SUNNY.  
MAX TEMPERATURE.....51-56.  
24 HR TREND......16 DEGREES COOLER.  
MIN HUMIDITY........19-25 PERCENT.  
24 HR TREND......1 PERCENT WETTER.  
20-FOOT WINDS.......NORTHWEST AROUND 15 MPH. GUSTS UP TO 35 MPH  
INCREASING TO 45 MPH IN THE AFTERNOON.  
LAL.................1.  
CHC OF WETTING RAIN.ZERO PERCENT.  
TRANSPORT WINDS.....NORTHWEST 30 TO 35 MPH.  
MIXING HEIGHT.......4400-5100 FT AGL INCREASING TO 7000-8300 FT AGL  
IN THE AFTERNOON.  
SMOKE DISPERSAL.....VERY GOOD (137000 KNOT-FT) INCREASING TO  
EXCELLENT (206900 KNOT-FT) IN THE AFTERNOON.  
HAINES INDEX........2 OR VERY LOW POTENTIAL FOR LARGE PLUME  
DOMINATED FIRE GROWTH.  
   
FORECAST DAYS 3 THROUGH 7
 
   
TUESDAY
 
MOSTLY CLEAR. LOWS AROUND 30. HIGHS IN THE UPPER 50S.  
NORTHWEST WINDS AROUND 10 MPH.    
WEDNESDAY
 
WARMER. MOSTLY CLEAR. LOWS IN THE UPPER 30S. HIGHS  
AROUND 70. WEST WINDS AROUND 10 MPH.    
THURSDAY
 
MUCH COOLER. PARTLY CLOUDY. CHANCE OF SHOWERS AND  
SNOW SHOWERS. LOWS IN THE LOWER 30S. HIGHS IN THE UPPER 40S.  
NORTHWEST WINDS AROUND 15 MPH.    
FRIDAY
 
COLDER. PARTLY CLOUDY. LOWS AROUND 17. HIGHS IN THE  
UPPER 30S.    
SATURDAY
 
NOT AS COOL. PARTLY CLOUDY. LOWS IN THE MID 20S.  
HIGHS IN THE UPPER 40S.  
 

 
 
WYZ302-222215-  
NORTH LARAMIE RANGE/MEDICINE BOW NF-  
234 AM MDT SUN OCT 22 2017  
   
TODAY
 
 
SKY/WEATHER.........PARTLY CLOUDY.  
MAX TEMPERATURE.....52-62.  
24 HR TREND......14 DEGREES WARMER.  
MIN HUMIDITY........30-36 PERCENT.  
24 HR TREND......8 PERCENT WETTER.  
20-FOOT WINDS.......WINDY. WEST 30 TO 35 MPH WITH GUSTS TO AROUND  
60 MPH.  
LAL.................1.  
CHC OF WETTING RAIN.ZERO PERCENT.  
TRANSPORT WINDS.....WEST 45 TO 50 MPH.  
MIXING HEIGHT.......800-1500 FT AGL INCREASING TO 2600-4300 FT AGL  
IN THE AFTERNOON.  
SMOKE DISPERSAL.....FAIR (47800 KNOT-FT) INCREASING TO EXCELLENT  
(152500 KNOT-FT) IN THE AFTERNOON.  
HAINES INDEX........2 OR VERY LOW POTENTIAL FOR LARGE PLUME  
DOMINATED FIRE GROWTH.  
   
TONIGHT
 
 
SKY/WEATHER.........PARTLY CLOUDY.  
MIN TEMPERATURE.....35-40.  
24 HR TREND......4 DEGREES WARMER.  
MAX HUMIDITY........70-76 PERCENT.  
24 HR TREND......9 PERCENT WETTER.  
HUMIDITY RECOVERY...GOOD.  
20-FOOT WINDS.......WEST 15 TO 20 MPH. GUSTS UP TO 60 MPH  
DECREASING TO 50 MPH AFTER MIDNIGHT.  
LAL.................1.  
CHC OF WETTING RAIN.ZERO PERCENT.  
TRANSPORT WINDS.....WEST AROUND 45 MPH DECREASING TO AROUND 35 MPH  
AFTER MIDNIGHT.  
MIXING HEIGHT.......1100-3000 FT AGL.  
SMOKE DISPERSAL.....FAIR TO GOOD (50400-99100 KNOT-FT).  
HAINES INDEX........2 OR VERY LOW POTENTIAL FOR LARGE PLUME  
DOMINATED FIRE GROWTH.  
   
MONDAY
 
 
SKY/WEATHER.........PARTLY CLOUDY UNTIL 1500, THEN MOSTLY SUNNY.  
SLIGHT CHANCE OF SHOWERS AND SNOW SHOWERS UNTIL  
1200.  
MAX TEMPERATURE.....44-50.  
24 HR TREND......7 DEGREES COOLER.  
MIN HUMIDITY........25-31 PERCENT.  
24 HR TREND......6 PERCENT DRIER.  
20-FOOT WINDS.......NORTHWEST 10 TO 15 MPH. GUSTS UP TO 30 MPH  
INCREASING TO 40 MPH IN THE AFTERNOON.  
LAL.................1.  
CHC OF WETTING RAIN.ZERO PERCENT.  
TRANSPORT WINDS.....NORTHWEST 25 TO 30 MPH.  
MIXING HEIGHT.......3500-4100 FT AGL INCREASING TO 4700-6300 FT AGL  
IN THE AFTERNOON.  
SMOKE DISPERSAL.....GOOD (84400 KNOT-FT) INCREASING TO VERY GOOD  
(147500 KNOT-FT) IN THE AFTERNOON.  
HAINES INDEX........2 OR VERY LOW POTENTIAL FOR LARGE PLUME  
DOMINATED FIRE GROWTH.  
   
FORECAST DAYS 3 THROUGH 7
 
   
TUESDAY
 
MOSTLY CLEAR. LOWS IN THE UPPER 20S. HIGHS IN THE  
LOWER 50S. NORTHWEST WINDS AROUND 10 MPH.    
WEDNESDAY
 
MOSTLY CLEAR. LOWS IN THE UPPER 30S. HIGHS IN THE  
LOWER 60S. WEST WINDS AROUND 15 MPH.    
THURSDAY
 
MUCH COLDER. MOSTLY CLOUDY. SNOW SHOWERS AND SHOWERS  
LIKELY. LOWS IN THE LOWER 30S. HIGHS IN THE LOWER 40S. NORTHWEST  
WINDS AROUND 15 MPH.    
FRIDAY
 
PARTLY CLOUDY. LOWS AROUND 17. HIGHS IN THE LOWER 30S.    
SATURDAY
 
NOT AS COOL. PARTLY CLOUDY WITH SLIGHT CHANCE OF SNOW  
SHOWERS. LOWS IN THE MID 20S. HIGHS IN THE MID 40S.  
 

 
 
WYZ303-222215-  
CENTRAL AND NORTHERN CARBON/FERRIS-SEMINOE-SHIRLEY MOUNTAINS-  
234 AM MDT SUN OCT 22 2017  
   
..HIGH WIND WARNING IN EFFECT UNTIL 4 AM MDT MONDAY
 
 
   
TODAY
 
 
SKY/WEATHER.........PARTLY CLOUDY.  
MAX TEMPERATURE.....52-57.  
24 HR TREND......15 DEGREES WARMER.  
MIN HUMIDITY........32-38 PERCENT.  
24 HR TREND......4 PERCENT WETTER.  
20-FOOT WINDS.......WINDY. SOUTHWEST AROUND 30 MPH WITH GUSTS TO  
AROUND 60 MPH.  
LAL.................1.  
CHC OF WETTING RAIN.ZERO PERCENT.  
TRANSPORT WINDS.....SOUTHWEST AROUND 40 MPH BECOMING WEST AND  
INCREASING TO AROUND 50 MPH IN THE AFTERNOON.  
MIXING HEIGHT.......1100-1700 FT AGL INCREASING TO 3500-4500 FT AGL  
IN THE AFTERNOON.  
SMOKE DISPERSAL.....FAIR (49500 KNOT-FT) INCREASING TO EXCELLENT  
(166500 KNOT-FT) IN THE AFTERNOON.  
HAINES INDEX........2 OR VERY LOW POTENTIAL FOR LARGE PLUME  
DOMINATED FIRE GROWTH.  
   
TONIGHT
 
 
SKY/WEATHER.........PARTLY CLOUDY.  
MIN TEMPERATURE.....36-41.  
24 HR TREND......6 DEGREES WARMER.  
MAX HUMIDITY........72-78 PERCENT.  
24 HR TREND......13 PERCENT WETTER.  
HUMIDITY RECOVERY...GOOD.  
20-FOOT WINDS.......WEST AROUND 15 MPH. GUSTS UP TO 55 MPH  
DECREASING TO 45 MPH AFTER MIDNIGHT.  
LAL.................1.  
CHC OF WETTING RAIN.ZERO PERCENT.  
TRANSPORT WINDS.....WEST AROUND 40 MPH DECREASING TO AROUND 30 MPH  
AFTER MIDNIGHT.  
MIXING HEIGHT.......1000-2300 FT AGL.  
SMOKE DISPERSAL.....FAIR TO GOOD (42500-62500 KNOT-FT).  
HAINES INDEX........2 OR VERY LOW POTENTIAL FOR LARGE PLUME  
DOMINATED FIRE GROWTH.  
   
MONDAY
 
 
SKY/WEATHER.........PARTLY CLOUDY UNTIL 1500, THEN MOSTLY SUNNY.  
MAX TEMPERATURE.....49-54.  
24 HR TREND......4 DEGREES COOLER.  
MIN HUMIDITY........28-34 PERCENT.  
24 HR TREND......2 PERCENT DRIER.  
20-FOOT WINDS.......WEST AROUND 15 MPH WITH GUSTS TO AROUND 40 MPH.  
LAL.................1.  
CHC OF WETTING RAIN.ZERO PERCENT.  
TRANSPORT WINDS.....NORTHWEST AROUND 20 MPH.  
MIXING HEIGHT.......3600-5600 FT AGL.  
SMOKE DISPERSAL.....GOOD (71500-97700 KNOT-FT).  
HAINES INDEX........2 OR VERY LOW POTENTIAL FOR LARGE PLUME  
DOMINATED FIRE GROWTH.  
   
FORECAST DAYS 3 THROUGH 7
 
   
TUESDAY
 
MOSTLY CLEAR. LOWS AROUND 30. HIGHS IN THE MID 50S.  
WEST WINDS AROUND 10 MPH.    
WEDNESDAY
 
CLEAR. LOWS IN THE MID 30S. HIGHS IN THE LOWER 60S.  
SOUTHWEST WINDS AROUND 10 MPH.    
THURSDAY
 
COLDER. PARTLY CLOUDY. CHANCE OF SHOWERS AND SNOW  
SHOWERS. LOWS IN THE LOWER 30S. HIGHS IN THE LOWER 40S. NORTHWEST  
WINDS AROUND 10 MPH.    
FRIDAY
 
PARTLY CLOUDY. LOWS AROUND 17. HIGHS IN THE MID 30S.    
SATURDAY
 
PARTLY CLOUDY. LOWS IN THE MID 20S. HIGHS IN THE MID  
40S.  
 

 
 
WYZ304-222215-  
SOUTHWEST CARBON COUNTY-  
234 AM MDT SUN OCT 22 2017  
   
TODAY
 
 
SKY/WEATHER.........MOSTLY CLOUDY UNTIL 1200, THEN PARTLY CLOUDY.  
MAX TEMPERATURE.....55-60.  
24 HR TREND......13 DEGREES WARMER.  
MIN HUMIDITY........27-33 PERCENT.  
24 HR TREND......2 PERCENT WETTER.  
20-FOOT WINDS.......SOUTHWEST 15 TO 20 MPH WITH GUSTS TO AROUND 45  
MPH.  
LAL.................1.  
CHC OF WETTING RAIN.ZERO PERCENT.  
TRANSPORT WINDS.....SOUTHWEST 25 TO 30 MPH.  
MIXING HEIGHT.......800-1300 FT AGL INCREASING TO 4500-5100 FT AGL  
IN THE AFTERNOON.  
SMOKE DISPERSAL.....POOR (18900 KNOT-FT) INCREASING TO VERY GOOD  
(132900 KNOT-FT) IN THE AFTERNOON.  
HAINES INDEX........2 OR VERY LOW POTENTIAL FOR LARGE PLUME  
DOMINATED FIRE GROWTH.  
   
TONIGHT
 
 
SKY/WEATHER.........PARTLY CLOUDY UNTIL 0300, THEN MOSTLY CLOUDY.  
MIN TEMPERATURE.....34-39.  
24 HR TREND......5 DEGREES WARMER.  
MAX HUMIDITY........78-84 PERCENT.  
24 HR TREND......16 PERCENT WETTER.  
HUMIDITY RECOVERY...GOOD.  
20-FOOT WINDS.......SOUTHWEST AROUND 10 MPH WITH GUSTS TO AROUND 35  
MPH.  
LAL.................1.  
CHC OF WETTING RAIN.ZERO PERCENT.  
TRANSPORT WINDS.....WEST AROUND 20 MPH.  
MIXING HEIGHT.......600-1600 FT AGL.  
SMOKE DISPERSAL.....POOR (15300-22700 KNOT-FT).  
HAINES INDEX........2 OR VERY LOW POTENTIAL FOR LARGE PLUME  
DOMINATED FIRE GROWTH.  
   
MONDAY
 
 
SKY/WEATHER.........MOSTLY CLOUDY UNTIL 0900, THEN PARTLY CLOUDY  
UNTIL 1500, THEN MOSTLY SUNNY.  
MAX TEMPERATURE.....54-60.  
24 HR TREND......UNCHANGED.  
MIN HUMIDITY........24-30 PERCENT.  
24 HR TREND......3 PERCENT DRIER.  
20-FOOT WINDS.......WEST 10 TO 15 MPH WITH HIGHER GUSTS.  
LAL.................1.  
CHC OF WETTING RAIN.ZERO PERCENT.  
TRANSPORT WINDS.....WEST 15 TO 20 MPH.  
MIXING HEIGHT.......3100-3800 FT AGL INCREASING TO 5100-5600 FT AGL  
IN THE AFTERNOON.  
SMOKE DISPERSAL.....GOOD (60000-79900 KNOT-FT).  
HAINES INDEX........2 OR VERY LOW POTENTIAL FOR LARGE PLUME  
DOMINATED FIRE GROWTH.  
   
FORECAST DAYS 3 THROUGH 7
 
   
TUESDAY
 
MOSTLY CLEAR. LOWS IN THE UPPER 20S. HIGHS IN THE  
UPPER 50S. WEST WINDS AROUND 5 MPH.    
WEDNESDAY
 
CLEAR. LOWS AROUND 30. HIGHS IN THE LOWER 60S.  
SOUTHWEST WINDS AROUND 10 MPH.    
THURSDAY
 
COOLER. PARTLY CLOUDY. CHANCE OF SNOW SHOWERS AND  
SHOWERS. LOWS IN THE LOWER 30S. HIGHS IN THE UPPER 40S. WEST  
WINDS AROUND 10 MPH.    
FRIDAY
 
PARTLY CLOUDY. LOWS AROUND 17. HIGHS IN THE LOWER 40S.    
SATURDAY
 
PARTLY CLOUDY. LOWS IN THE MID 20S. HIGHS AROUND 50.  
 

 
 
WYZ305-222215-  
SIERRA MADRE RANGE/MEDICINE BOW NF-  
234 AM MDT SUN OCT 22 2017  
   
TODAY
 
 
SKY/WEATHER.........PARTLY CLOUDY.  
MAX TEMPERATURE.....44-52.  
24 HR TREND......11 DEGREES WARMER.  
MIN HUMIDITY........41-47 PERCENT.  
24 HR TREND......5 PERCENT WETTER.  
20-FOOT WINDS.......SOUTHWEST AROUND 15 MPH WITH GUSTS TO AROUND 40  
MPH.  
LAL.................1.  
CHC OF WETTING RAIN.ZERO PERCENT.  
TRANSPORT WINDS.....WEST 30 TO 35 MPH.  
MIXING HEIGHT.......700-1400 FT AGL INCREASING TO 2300-4100 FT AGL  
IN THE AFTERNOON.  
SMOKE DISPERSAL.....POOR (24600 KNOT-FT) INCREASING TO VERY GOOD  
(100800 KNOT-FT) IN THE AFTERNOON.  
HAINES INDEX........2 OR VERY LOW POTENTIAL FOR LARGE PLUME  
DOMINATED FIRE GROWTH.  
   
TONIGHT
 
 
SKY/WEATHER.........PARTLY CLOUDY UNTIL 0300, THEN MOSTLY CLOUDY.  
MIN TEMPERATURE.....33-38.  
24 HR TREND......8 DEGREES WARMER.  
MAX HUMIDITY........76-82 PERCENT.  
24 HR TREND......10 PERCENT WETTER.  
HUMIDITY RECOVERY...GOOD.  
20-FOOT WINDS.......WEST AROUND 10 MPH WITH GUSTS TO AROUND 35 MPH.  
LAL.................1.  
CHC OF WETTING RAIN.ZERO PERCENT.  
TRANSPORT WINDS.....WEST AROUND 30 MPH.  
MIXING HEIGHT.......1000-2300 FT AGL.  
SMOKE DISPERSAL.....POOR TO FAIR (31400-49100 KNOT-FT).  
HAINES INDEX........2 OR VERY LOW POTENTIAL FOR LARGE PLUME  
DOMINATED FIRE GROWTH.  
   
MONDAY
 
 
SKY/WEATHER.........MOSTLY CLOUDY UNTIL 0900, THEN PARTLY CLOUDY.  
SLIGHT CHANCE OF SHOWERS AND SNOW SHOWERS UNTIL  
1200.  
MAX TEMPERATURE.....44-52.  
24 HR TREND......1 DEGREE WARMER.  
MIN HUMIDITY........38-44 PERCENT.  
24 HR TREND......3 PERCENT DRIER.  
20-FOOT WINDS.......WEST AROUND 15 MPH WITH GUSTS TO AROUND 35 MPH.  
LAL.................1.  
CHC OF WETTING RAIN.ZERO PERCENT.  
TRANSPORT WINDS.....WEST 20 TO 25 MPH.  
MIXING HEIGHT.......2900-4700 FT AGL.  
SMOKE DISPERSAL.....GOOD (67000-77800 KNOT-FT).  
HAINES INDEX........2 OR VERY LOW POTENTIAL FOR LARGE PLUME  
DOMINATED FIRE GROWTH.  
   
FORECAST DAYS 3 THROUGH 7
 
   
TUESDAY
 
MOSTLY CLEAR. LOWS IN THE UPPER 20S. HIGHS AROUND 50.  
WEST WINDS AROUND 5 MPH.    
WEDNESDAY
 
CLEAR. LOWS IN THE LOWER 30S. HIGHS IN THE MID 50S.  
WINDS GENERALLY LESS THAN 10 MPH.    
THURSDAY
 
COLDER. PARTLY CLOUDY. CHANCE OF SHOWERS AND SNOW  
SHOWERS. LOWS IN THE LOWER 30S. HIGHS IN THE LOWER 40S. WEST  
WINDS AROUND 10 MPH.    
FRIDAY
 
PARTLY CLOUDY. LOWS AROUND 17. HIGHS IN THE MID 30S.    
SATURDAY
 
PARTLY CLOUDY WITH SLIGHT CHANCE OF SHOWERS AND SNOW  
SHOWERS. LOWS IN THE LOWER 20S. HIGHS IN THE LOWER 40S.  
 

 
 
WYZ306-222215-  
UPPER NORTH PLATTE RIVER BASIN-  
234 AM MDT SUN OCT 22 2017  
   
TODAY
 
 
SKY/WEATHER.........PARTLY CLOUDY.  
MAX TEMPERATURE.....49-54.  
24 HR TREND......10 DEGREES WARMER.  
MIN HUMIDITY........37-43 PERCENT.  
24 HR TREND......10 PERCENT WETTER.  
20-FOOT WINDS.......SOUTHWEST 15 TO 20 MPH WITH GUSTS TO AROUND 45  
MPH.  
LAL.................1.  
CHC OF WETTING RAIN.ZERO PERCENT.  
TRANSPORT WINDS.....SOUTHWEST AROUND 30 MPH INCREASING TO WEST  
AROUND 40 MPH IN THE AFTERNOON.  
MIXING HEIGHT.......1600 FT AGL INCREASING TO 3800-4400 FT AGL IN  
THE AFTERNOON.  
SMOKE DISPERSAL.....POOR (37400 KNOT-FT) INCREASING TO VERY GOOD  
(137600 KNOT-FT) IN THE AFTERNOON.  
HAINES INDEX........2 OR VERY LOW POTENTIAL FOR LARGE PLUME  
DOMINATED FIRE GROWTH.  
   
TONIGHT
 
 
SKY/WEATHER.........PARTLY CLOUDY.  
MIN TEMPERATURE.....35-40.  
24 HR TREND......6 DEGREES WARMER.  
MAX HUMIDITY........75-81 PERCENT.  
24 HR TREND......4 PERCENT WETTER.  
HUMIDITY RECOVERY...GOOD.  
20-FOOT WINDS.......WEST AROUND 15 MPH WITH GUSTS TO AROUND 40 MPH.  
LAL.................1.  
CHC OF WETTING RAIN.ZERO PERCENT.  
TRANSPORT WINDS.....WEST AROUND 25 MPH.  
MIXING HEIGHT.......900-2100 FT AGL.  
SMOKE DISPERSAL.....POOR TO FAIR (23600-40900 KNOT-FT).  
HAINES INDEX........2 OR VERY LOW POTENTIAL FOR LARGE PLUME  
DOMINATED FIRE GROWTH.  
   
MONDAY
 
 
SKY/WEATHER.........PARTLY CLOUDY. SLIGHT CHANCE OF SHOWERS UNTIL  
1200.  
MAX TEMPERATURE.....49-54.  
24 HR TREND......2 DEGREES WARMER.  
MIN HUMIDITY........32-38 PERCENT.  
24 HR TREND......11 PERCENT DRIER.  
20-FOOT WINDS.......WEST AROUND 15 MPH WITH HIGHER GUSTS.  
LAL.................1.  
CHC OF WETTING RAIN.ZERO PERCENT.  
TRANSPORT WINDS.....WEST 20 TO 25 MPH.  
MIXING HEIGHT.......4000-5500 FT AGL.  
SMOKE DISPERSAL.....GOOD (92200-94700 KNOT-FT).  
HAINES INDEX........2 OR VERY LOW POTENTIAL FOR LARGE PLUME  
DOMINATED FIRE GROWTH.  
   
FORECAST DAYS 3 THROUGH 7
 
   
TUESDAY
 
MOSTLY CLEAR. LOWS IN THE UPPER 20S. HIGHS IN THE  
LOWER 50S. WEST WINDS AROUND 5 MPH.    
WEDNESDAY
 
CLEAR. LOWS IN THE LOWER 30S. HIGHS AROUND 60.  
SOUTHWEST WINDS AROUND 10 MPH.    
THURSDAY
 
COLDER. PARTLY CLOUDY. CHANCE OF SHOWERS AND SNOW  
SHOWERS. LOWS IN THE LOWER 30S. HIGHS IN THE MID 40S. WEST WINDS  
AROUND 10 MPH.    
FRIDAY
 
PARTLY CLOUDY. LOWS AROUND 17. HIGHS IN THE UPPER 30S.    
SATURDAY
 
PARTLY CLOUDY. LOWS IN THE LOWER 20S. HIGHS IN THE  
MID 40S.  
 

 
 
WYZ307-222215-  
SNOWY RANGE/MEDICINE BOW NF-  
234 AM MDT SUN OCT 22 2017  
   
TODAY
 
 
SKY/WEATHER.........PARTLY CLOUDY UNTIL 1500, THEN MOSTLY SUNNY.  
MAX TEMPERATURE.....43-49.  
24 HR TREND......14 DEGREES WARMER.  
MIN HUMIDITY........43-49 PERCENT.  
24 HR TREND......9 PERCENT WETTER.  
20-FOOT WINDS.......BREEZY. WEST AROUND 25 MPH WITH GUSTS TO AROUND  
60 MPH.  
LAL.................1.  
CHC OF WETTING RAIN.ZERO PERCENT.  
TRANSPORT WINDS.....WEST AROUND 40 MPH INCREASING TO AROUND 50 MPH  
IN THE AFTERNOON.  
MIXING HEIGHT.......1000-3000 FT AGL.  
SMOKE DISPERSAL.....POOR (38200 KNOT-FT) INCREASING TO VERY GOOD  
(104500 KNOT-FT) IN THE AFTERNOON.  
HAINES INDEX........2 OR VERY LOW POTENTIAL FOR LARGE PLUME  
DOMINATED FIRE GROWTH.  
   
TONIGHT
 
 
SKY/WEATHER.........PARTLY CLOUDY.  
MIN TEMPERATURE.....30-36.  
24 HR TREND......7 DEGREES WARMER.  
MAX HUMIDITY........78-84 PERCENT.  
24 HR TREND......3 PERCENT DRIER.  
HUMIDITY RECOVERY...GOOD.  
20-FOOT WINDS.......WEST 15 TO 20 MPH WITH GUSTS TO AROUND 55 MPH.  
LAL.................1.  
CHC OF WETTING RAIN.ZERO PERCENT.  
TRANSPORT WINDS.....WEST AROUND 40 MPH.  
MIXING HEIGHT.......900-2200 FT AGL.  
SMOKE DISPERSAL.....FAIR TO GOOD (41900-63500 KNOT-FT).  
HAINES INDEX........2 OR VERY LOW POTENTIAL FOR LARGE PLUME  
DOMINATED FIRE GROWTH.  
   
MONDAY
 
 
SKY/WEATHER.........PARTLY CLOUDY UNTIL 1500, THEN MOSTLY SUNNY.  
SLIGHT CHANCE OF SHOWERS UNTIL 0900. SLIGHT  
CHANCE OF SNOW SHOWERS UNTIL 1200. SLIGHT  
CHANCE OF SHOWERS AFTER 1100 UNTIL 1200.  
MAX TEMPERATURE.....42-48.  
24 HR TREND......UNCHANGED.  
MIN HUMIDITY........38-44 PERCENT.  
24 HR TREND......7 PERCENT DRIER.  
20-FOOT WINDS.......WEST AROUND 15 MPH. GUSTS UP TO 50 MPH  
DECREASING TO 35 MPH IN THE AFTERNOON.  
LAL.................1.  
CHC OF WETTING RAIN.ZERO PERCENT.  
TRANSPORT WINDS.....WEST 30 TO 35 MPH.  
MIXING HEIGHT.......2600-4600 FT AGL.  
SMOKE DISPERSAL.....GOOD (92100-92600 KNOT-FT).  
HAINES INDEX........2 OR VERY LOW POTENTIAL FOR LARGE PLUME  
DOMINATED FIRE GROWTH.  
   
FORECAST DAYS 3 THROUGH 7
 
   
TUESDAY
 
MOSTLY CLEAR. LOWS IN THE MID 20S. HIGHS IN THE UPPER  
40S. WEST WINDS AROUND 10 MPH.    
WEDNESDAY
 
CLEAR. LOWS IN THE UPPER 20S. HIGHS IN THE MID 50S.  
WEST WINDS AROUND 10 MPH.    
THURSDAY
 
COLDER. PARTLY CLOUDY. SNOW SHOWERS LIKELY AND CHANCE  
OF SHOWERS. LOWS IN THE UPPER 20S. HIGHS AROUND 40. WEST WINDS  
AROUND 10 MPH.    
FRIDAY
 
PARTLY CLOUDY WITH SLIGHT CHANCE OF SNOW SHOWERS. LOWS  
AROUND 13. HIGHS IN THE LOWER 30S.    
SATURDAY
 
PARTLY CLOUDY WITH SLIGHT CHANCE OF SHOWERS AND SNOW  
SHOWERS. LOWS AROUND 19. HIGHS IN THE UPPER 30S.  
 

 
 
WYZ308-222215-  
LARAMIE VALLEY/SHIRLEY BASIN-  
234 AM MDT SUN OCT 22 2017  
 
...HIGH WIND WARNING IN EFFECT FROM 9 AM THIS MORNING TO 6 PM MDT  
THIS EVENING...  
   
TODAY
 
 
SKY/WEATHER.........PARTLY CLOUDY.  
MAX TEMPERATURE.....53-58.  
24 HR TREND......13 DEGREES WARMER.  
MIN HUMIDITY........30-36 PERCENT.  
24 HR TREND......5 PERCENT WETTER.  
20-FOOT WINDS.......WINDY. WEST AROUND 30 MPH WITH GUSTS TO AROUND  
60 MPH.  
LAL.................1.  
CHC OF WETTING RAIN.ZERO PERCENT.  
TRANSPORT WINDS.....WEST AROUND 40 MPH INCREASING TO AROUND 50 MPH  
IN THE AFTERNOON.  
MIXING HEIGHT.......1400-1900 FT AGL INCREASING TO 3600-4100 FT AGL  
IN THE AFTERNOON.  
SMOKE DISPERSAL.....FAIR (56600 KNOT-FT) INCREASING TO EXCELLENT  
(162800 KNOT-FT) IN THE AFTERNOON.  
HAINES INDEX........2 OR VERY LOW POTENTIAL FOR LARGE PLUME  
DOMINATED FIRE GROWTH.  
   
TONIGHT
 
 
SKY/WEATHER.........PARTLY CLOUDY.  
MIN TEMPERATURE.....36-41.  
24 HR TREND......6 DEGREES WARMER.  
MAX HUMIDITY........71-77 PERCENT.  
24 HR TREND......7 PERCENT WETTER.  
HUMIDITY RECOVERY...GOOD.  
20-FOOT WINDS.......WEST AROUND 15 MPH WITH GUSTS TO AROUND 50 MPH.  
LAL.................1.  
CHC OF WETTING RAIN.ZERO PERCENT.  
TRANSPORT WINDS.....WEST AROUND 40 MPH DECREASING TO AROUND 30 MPH  
AFTER MIDNIGHT.  
MIXING HEIGHT.......1100-2100 FT AGL.  
SMOKE DISPERSAL.....FAIR (44200-56200 KNOT-FT).  
HAINES INDEX........2 OR VERY LOW POTENTIAL FOR LARGE PLUME  
DOMINATED FIRE GROWTH.  
   
MONDAY
 
 
SKY/WEATHER.........PARTLY CLOUDY UNTIL 1500, THEN MOSTLY SUNNY.  
MAX TEMPERATURE.....48-53.  
24 HR TREND......4 DEGREES COOLER.  
MIN HUMIDITY........27-33 PERCENT.  
24 HR TREND......4 PERCENT DRIER.  
20-FOOT WINDS.......NORTHWEST AROUND 15 MPH WITH GUSTS TO AROUND 40  
MPH.  
LAL.................1.  
CHC OF WETTING RAIN.ZERO PERCENT.  
TRANSPORT WINDS.....NORTHWEST 25 TO 30 MPH.  
MIXING HEIGHT.......3700-5700 FT AGL.  
SMOKE DISPERSAL.....GOOD TO VERY GOOD (95200-135500 KNOT-FT).  
HAINES INDEX........2 OR VERY LOW POTENTIAL FOR LARGE PLUME  
DOMINATED FIRE GROWTH.  
   
FORECAST DAYS 3 THROUGH 7
 
   
TUESDAY
 
MOSTLY CLEAR. LOWS IN THE UPPER 20S. HIGHS IN THE  
LOWER 50S. NORTHWEST WINDS AROUND 10 MPH.    
WEDNESDAY
 
CLEAR. LOWS IN THE LOWER 30S. HIGHS IN THE LOWER  
60S. WEST WINDS AROUND 10 MPH.    
THURSDAY
 
COOLER. PARTLY CLOUDY. CHANCE OF SHOWERS AND SNOW  
SHOWERS. LOWS IN THE LOWER 30S. HIGHS IN THE MID 40S. NORTHWEST  
WINDS AROUND 10 MPH.    
FRIDAY
 
COLDER. PARTLY CLOUDY. LOWS AROUND 14. HIGHS IN THE MID  
30S.    
SATURDAY
 
PARTLY CLOUDY. LOWS IN THE LOWER 20S. HIGHS IN THE  
MID 40S.  
 

 
 
WYZ309-222215-  
SOUTH LARAMIE RANGE/MEDICINE BOW NF-  
234 AM MDT SUN OCT 22 2017  
   
..HIGH WIND WARNING IN EFFECT UNTIL 4 AM MDT MONDAY
 
 
   
TODAY
 
 
SKY/WEATHER.........MOSTLY SUNNY.  
MAX TEMPERATURE.....55-63.  
24 HR TREND......13 DEGREES WARMER.  
MIN HUMIDITY........26-32 PERCENT.  
24 HR TREND......4 PERCENT WETTER.  
20-FOOT WINDS.......WINDY. WEST AROUND 35 MPH WITH GUSTS TO AROUND  
65 MPH.  
LAL.................1.  
CHC OF WETTING RAIN.ZERO PERCENT.  
TRANSPORT WINDS.....WEST AROUND 50 MPH.  
MIXING HEIGHT.......1100-1800 FT AGL INCREASING TO 3000-4000 FT AGL  
IN THE AFTERNOON.  
SMOKE DISPERSAL.....GOOD (61200 KNOT-FT) INCREASING TO EXCELLENT  
(157200 KNOT-FT) IN THE AFTERNOON.  
HAINES INDEX........2 OR VERY LOW POTENTIAL FOR LARGE PLUME  
DOMINATED FIRE GROWTH.  
   
TONIGHT
 
 
SKY/WEATHER.........PARTLY CLOUDY.  
MIN TEMPERATURE.....38-43.  
24 HR TREND......6 DEGREES WARMER.  
MAX HUMIDITY........66-72 PERCENT.  
24 HR TREND......9 PERCENT WETTER.  
HUMIDITY RECOVERY...FAIR.  
20-FOOT WINDS.......BREEZY. WEST 20 TO 25 MPH WITH GUSTS TO AROUND  
55 MPH.  
LAL.................1.  
CHC OF WETTING RAIN.ZERO PERCENT.  
TRANSPORT WINDS.....WEST 40 TO 45 MPH.  
MIXING HEIGHT.......1000-2100 FT AGL.  
SMOKE DISPERSAL.....FAIR TO GOOD (54300-62300 KNOT-FT).  
HAINES INDEX........2 OR VERY LOW POTENTIAL FOR LARGE PLUME  
DOMINATED FIRE GROWTH.  
   
MONDAY
 
 
SKY/WEATHER.........PARTLY CLOUDY.  
MAX TEMPERATURE.....49-55.  
24 HR TREND......7 DEGREES COOLER.  
MIN HUMIDITY........25-31 PERCENT.  
24 HR TREND......3 PERCENT WETTER.  
20-FOOT WINDS.......NORTHWEST 15 TO 20 MPH WITH GUSTS TO AROUND 45  
MPH.  
LAL.................1.  
CHC OF WETTING RAIN.ZERO PERCENT.  
TRANSPORT WINDS.....NORTHWEST AROUND 30 MPH.  
MIXING HEIGHT.......3800-4700 FT AGL INCREASING TO 5200-7000 FT AGL  
IN THE AFTERNOON.  
SMOKE DISPERSAL.....VERY GOOD TO EXCELLENT (117300-160400 KNOT-FT).  
HAINES INDEX........2 OR VERY LOW POTENTIAL FOR LARGE PLUME  
DOMINATED FIRE GROWTH.  
   
FORECAST DAYS 3 THROUGH 7
 
   
TUESDAY
 
MOSTLY CLEAR. LOWS AROUND 30. HIGHS IN THE MID 50S.  
NORTHWEST WINDS AROUND 15 MPH.    
WEDNESDAY
 
CLEAR. LOWS IN THE UPPER 30S. HIGHS IN THE MID 60S.  
WEST WINDS AROUND 15 MPH.    
THURSDAY
 
COOLER. PARTLY CLOUDY. CHANCE OF SHOWERS AND SNOW  
SHOWERS. LOWS IN THE LOWER 30S. HIGHS IN THE UPPER 40S. NORTHWEST  
WINDS AROUND 20 MPH.    
FRIDAY
 
COLDER. PARTLY CLOUDY. LOWS AROUND 17. HIGHS IN THE MID  
30S.    
SATURDAY
 
PARTLY CLOUDY. LOWS IN THE MID 20S. HIGHS IN THE MID  
40S.  
 

 
 
WYZ310-222215-  
PLATTE/GOSHEN/CENTRAL AND EASTERN LARAMIE-  
234 AM MDT SUN OCT 22 2017  
 
...HIGH WIND WARNING IN EFFECT FROM 9 AM THIS MORNING TO 6 PM MDT  
THIS EVENING...  
   
TODAY
 
 
SKY/WEATHER.........MOSTLY SUNNY.  
MAX TEMPERATURE.....65-70.  
24 HR TREND......16 DEGREES WARMER.  
MIN HUMIDITY........18-24 PERCENT.  
24 HR TREND......3 PERCENT WETTER.  
20-FOOT WINDS.......BREEZY. WEST 20 TO 25 MPH WITH GUSTS TO AROUND  
55 MPH.  
LAL.................1.  
CHC OF WETTING RAIN.ZERO PERCENT.  
TRANSPORT WINDS.....WEST AROUND 30 MPH INCREASING TO AROUND 40 MPH  
IN THE AFTERNOON.  
MIXING HEIGHT.......1100-1700 FT AGL INCREASING TO 4300-5800 FT AGL  
IN THE AFTERNOON.  
SMOKE DISPERSAL.....POOR (38800 KNOT-FT) INCREASING TO EXCELLENT  
(165600 KNOT-FT) IN THE AFTERNOON.  
HAINES INDEX........2 OR VERY LOW POTENTIAL FOR LARGE PLUME  
DOMINATED FIRE GROWTH.  
   
TONIGHT
 
 
SKY/WEATHER.........PARTLY CLOUDY.  
MIN TEMPERATURE.....39-44.  
24 HR TREND......5 DEGREES WARMER.  
MAX HUMIDITY........65-71 PERCENT.  
24 HR TREND......3 PERCENT WETTER.  
HUMIDITY RECOVERY...FAIR.  
20-FOOT WINDS.......WEST AROUND 15 MPH WITH GUSTS TO AROUND 40 MPH.  
LAL.................1.  
CHC OF WETTING RAIN.ZERO PERCENT.  
TRANSPORT WINDS.....WEST AROUND 35 MPH BECOMING NORTHWEST AROUND 25  
MPH AFTER MIDNIGHT.  
MIXING HEIGHT.......700-2400 FT AGL.  
SMOKE DISPERSAL.....POOR TO FAIR (24800-52600 KNOT-FT).  
HAINES INDEX........2 OR VERY LOW POTENTIAL FOR LARGE PLUME  
DOMINATED FIRE GROWTH.  
   
MONDAY
 
 
SKY/WEATHER.........PARTLY CLOUDY.  
MAX TEMPERATURE.....53-58.  
24 HR TREND......16 DEGREES COOLER.  
MIN HUMIDITY........20-26 PERCENT.  
24 HR TREND......UNCHANGED.  
20-FOOT WINDS.......NORTHWEST 10 TO 15 MPH WITH GUSTS TO AROUND 40  
MPH.  
LAL.................1.  
CHC OF WETTING RAIN.ZERO PERCENT.  
TRANSPORT WINDS.....NORTHWEST AROUND 30 MPH.  
MIXING HEIGHT.......4000-4600 FT AGL INCREASING TO 6700-7500 FT AGL  
IN THE AFTERNOON.  
SMOKE DISPERSAL.....VERY GOOD (107700 KNOT-FT) INCREASING TO  
EXCELLENT (191600 KNOT-FT) IN THE AFTERNOON.  
HAINES INDEX........2 OR VERY LOW POTENTIAL FOR LARGE PLUME  
DOMINATED FIRE GROWTH.  
   
FORECAST DAYS 3 THROUGH 7
 
   
TUESDAY
 
MOSTLY CLEAR. LOWS AROUND 30. HIGHS IN THE UPPER 50S.  
NORTHWEST WINDS AROUND 10 MPH.    
WEDNESDAY
 
WARMER. MOSTLY CLEAR. LOWS IN THE UPPER 30S. HIGHS  
IN THE LOWER 70S. WEST WINDS AROUND 10 MPH.    
THURSDAY
 
COOLER. PARTLY CLOUDY. CHANCE OF SHOWERS AND SLIGHT  
CHANCE OF SNOW SHOWERS. LOWS IN THE MID 30S. HIGHS IN THE LOWER  
50S. NORTHWEST WINDS AROUND 15 MPH.    
FRIDAY
 
COLDER. PARTLY CLOUDY. LOWS AROUND 18. HIGHS IN THE  
UPPER 30S.    
SATURDAY
 
PARTLY CLOUDY. LOWS IN THE MID 20S. HIGHS IN THE  
UPPER 40S.  
 

 
 
NEZ311-222215-  
PINE RIDGE/NEBRASKA NATIONAL FOREST/OGLALA NATIONAL GRASSLANDS-  
234 AM MDT SUN OCT 22 2017  
   
TODAY
 
 
SKY/WEATHER.........PARTLY CLOUDY.  
MAX TEMPERATURE.....66-71.  
24 HR TREND......15 DEGREES WARMER.  
MIN HUMIDITY........18-24 PERCENT.  
24 HR TREND......2 PERCENT WETTER.  
20-FOOT WINDS.......WEST 10 TO 15 MPH. GUSTS UP TO 25 MPH  
INCREASING TO 35 MPH IN THE AFTERNOON.  
LAL.................1.  
CHC OF WETTING RAIN.ZERO PERCENT.  
TRANSPORT WINDS.....WEST 20 TO 25 MPH.  
MIXING HEIGHT.......500-1000 FT AGL INCREASING TO 5900-6500 FT AGL  
IN THE AFTERNOON.  
SMOKE DISPERSAL.....POOR (12300 KNOT-FT) INCREASING TO VERY GOOD  
(135500 KNOT-FT) IN THE AFTERNOON.  
HAINES INDEX........3 OR VERY LOW POTENTIAL FOR LARGE PLUME  
DOMINATED FIRE GROWTH.  
   
TONIGHT
 
 
SKY/WEATHER.........PARTLY CLOUDY.  
MIN TEMPERATURE.....39-44.  
24 HR TREND......12 DEGREES WARMER.  
MAX HUMIDITY........62-68 PERCENT.  
24 HR TREND......10 PERCENT DRIER.  
HUMIDITY RECOVERY...FAIR.  
20-FOOT WINDS.......NORTHWEST AROUND 10 MPH WITH GUSTS TO AROUND 35  
MPH.  
LAL.................1.  
CHC OF WETTING RAIN.ZERO PERCENT.  
TRANSPORT WINDS.....WEST AROUND 20 MPH INCREASING TO NORTHWEST  
AROUND 30 MPH AFTER MIDNIGHT.  
MIXING HEIGHT.......600-2400 FT AGL.  
SMOKE DISPERSAL.....POOR TO FAIR (18200-40400 KNOT-FT).  
HAINES INDEX........4 OR LOW POTENTIAL FOR LARGE PLUME DOMINATED  
FIRE GROWTH.  
   
MONDAY
 
 
SKY/WEATHER.........PARTLY CLOUDY UNTIL 1200, THEN MOSTLY SUNNY.  
MAX TEMPERATURE.....53-58.  
24 HR TREND......14 DEGREES COOLER.  
MIN HUMIDITY........19-25 PERCENT.  
24 HR TREND......UNCHANGED.  
20-FOOT WINDS.......NORTHWEST 15 TO 20 MPH WITH GUSTS TO AROUND 50  
MPH.  
LAL.................1.  
CHC OF WETTING RAIN.ZERO PERCENT.  
TRANSPORT WINDS.....NORTHWEST AROUND 40 MPH.  
MIXING HEIGHT.......4000-4900 FT AGL INCREASING TO 7700-9300 FT AGL  
IN THE AFTERNOON.  
SMOKE DISPERSAL.....VERY GOOD (147000 KNOT-FT) INCREASING TO  
EXCELLENT (294500 KNOT-FT) IN THE AFTERNOON.  
HAINES INDEX........4 OR LOW POTENTIAL FOR LARGE PLUME DOMINATED  
FIRE GROWTH.  
   
FORECAST DAYS 3 THROUGH 7
 
   
TUESDAY
 
MOSTLY CLEAR. LOWS IN THE LOWER 30S. HIGHS IN THE  
UPPER 50S. NORTHWEST WINDS AROUND 10 MPH.    
WEDNESDAY
 
WARMER. MOSTLY CLEAR. LOWS IN THE UPPER 30S. HIGHS  
IN THE LOWER 70S. WEST WINDS AROUND 10 MPH.    
THURSDAY
 
COOLER. PARTLY CLOUDY. CHANCE OF SHOWERS AND SNOW  
SHOWERS. LOWS IN THE MID 30S. HIGHS IN THE LOWER 50S. NORTHWEST  
WINDS AROUND 10 MPH.    
FRIDAY
 
COLDER. PARTLY CLOUDY. LOWS AROUND 18. HIGHS AROUND 40.   
SATURDAY
 
PARTLY CLOUDY. LOWS IN THE LOWER 20S. HIGHS IN THE  
UPPER 40S.  
 

 
 
NEZ312-222215-  
BOX BUTTE/SOUTH SIOUX-  
234 AM MDT SUN OCT 22 2017  
   
TODAY
 
 
SKY/WEATHER.........MOSTLY SUNNY.  
MAX TEMPERATURE.....67-72.  
24 HR TREND......14 DEGREES WARMER.  
MIN HUMIDITY........23 PERCENT.  
24 HR TREND......2 PERCENT WETTER.  
20-FOOT WINDS.......WEST 10 TO 15 MPH. GUSTS UP TO 25 MPH  
INCREASING TO 35 MPH IN THE AFTERNOON.  
LAL.................1.  
CHC OF WETTING RAIN.ZERO PERCENT.  
TRANSPORT WINDS.....WEST 20 TO 25 MPH.  
MIXING HEIGHT.......600-1100 FT AGL INCREASING TO 5800-6300 FT AGL  
IN THE AFTERNOON.  
SMOKE DISPERSAL.....POOR (14700 KNOT-FT) INCREASING TO VERY GOOD  
(141300 KNOT-FT) IN THE AFTERNOON.  
HAINES INDEX........3 OR VERY LOW POTENTIAL FOR LARGE PLUME  
DOMINATED FIRE GROWTH.  
   
TONIGHT
 
 
SKY/WEATHER.........PARTLY CLOUDY.  
MIN TEMPERATURE.....38-43.  
24 HR TREND......11 DEGREES WARMER.  
MAX HUMIDITY........63-69 PERCENT.  
24 HR TREND......1 PERCENT WETTER.  
HUMIDITY RECOVERY...FAIR.  
20-FOOT WINDS.......NORTHWEST AROUND 10 MPH WITH GUSTS TO AROUND 35  
MPH.  
LAL.................1.  
CHC OF WETTING RAIN.ZERO PERCENT.  
TRANSPORT WINDS.....NORTHWEST AROUND 25 MPH.  
MIXING HEIGHT.......600-1600 FT AGL.  
SMOKE DISPERSAL.....POOR (12600-25500 KNOT-FT).  
HAINES INDEX........3 OR VERY LOW POTENTIAL FOR LARGE PLUME  
DOMINATED FIRE GROWTH.  
   
MONDAY
 
 
SKY/WEATHER.........PARTLY CLOUDY UNTIL 1500, THEN MOSTLY SUNNY.  
MAX TEMPERATURE.....54-59.  
24 HR TREND......13 DEGREES COOLER.  
MIN HUMIDITY........23 PERCENT.  
24 HR TREND......2 PERCENT WETTER.  
20-FOOT WINDS.......NORTHWEST 15 TO 20 MPH. GUSTS UP TO 45 MPH  
INCREASING TO 55 MPH IN THE AFTERNOON.  
LAL.................1.  
CHC OF WETTING RAIN.ZERO PERCENT.  
TRANSPORT WINDS.....NORTHWEST 35 TO 40 MPH.  
MIXING HEIGHT.......4400-4900 FT AGL INCREASING TO 7900-8800 FT AGL  
IN THE AFTERNOON.  
SMOKE DISPERSAL.....EXCELLENT (150200 KNOT-FT) INCREASING TO  
EXCELLENT (278500 KNOT-FT) IN THE AFTERNOON.  
HAINES INDEX........3 OR VERY LOW POTENTIAL FOR LARGE PLUME  
DOMINATED FIRE GROWTH.  
   
FORECAST DAYS 3 THROUGH 7
 
   
TUESDAY
 
MOSTLY CLEAR. LOWS AROUND 30. HIGHS IN THE UPPER 50S.  
NORTHWEST WINDS AROUND 10 MPH.    
WEDNESDAY
 
WARMER. MOSTLY CLEAR. LOWS IN THE UPPER 30S. HIGHS  
IN THE LOWER 70S. WINDS GENERALLY LESS THAN 10 MPH.    
THURSDAY
 
COOLER. PARTLY CLOUDY. CHANCE OF SHOWERS AND SNOW  
SHOWERS. LOWS IN THE MID 30S. HIGHS IN THE MID 50S. NORTHWEST  
WINDS AROUND 10 MPH.    
FRIDAY
 
COLDER. PARTLY CLOUDY. LOWS AROUND 17. HIGHS AROUND 40.   
SATURDAY
 
PARTLY CLOUDY. LOWS IN THE LOWER 20S. HIGHS IN THE  
UPPER 40S.  
 

 
 
NEZ313-222215-  
SCOTTS BLUFF NATIONAL MONUMENT/WILDCAT HILLS-  
234 AM MDT SUN OCT 22 2017  
   
TODAY
 
 
SKY/WEATHER.........MOSTLY SUNNY.  
MAX TEMPERATURE.....68-73.  
24 HR TREND......12 DEGREES WARMER.  
MIN HUMIDITY........23 PERCENT.  
24 HR TREND......3 PERCENT WETTER.  
20-FOOT WINDS.......WEST 15 TO 20 MPH WITH GUSTS TO AROUND 40 MPH.  
LAL.................1.  
CHC OF WETTING RAIN.ZERO PERCENT.  
TRANSPORT WINDS.....WEST AROUND 20 MPH INCREASING TO AROUND 30 MPH  
IN THE AFTERNOON.  
MIXING HEIGHT.......700-1300 FT AGL INCREASING TO 6000-6900 FT AGL  
IN THE AFTERNOON.  
SMOKE DISPERSAL.....POOR (17900 KNOT-FT) INCREASING TO EXCELLENT  
(170600 KNOT-FT) IN THE AFTERNOON.  
HAINES INDEX........3 OR VERY LOW POTENTIAL FOR LARGE PLUME  
DOMINATED FIRE GROWTH.  
   
TONIGHT
 
 
SKY/WEATHER.........PARTLY CLOUDY.  
MIN TEMPERATURE.....39-44.  
24 HR TREND......10 DEGREES WARMER.  
MAX HUMIDITY........66-72 PERCENT.  
24 HR TREND......4 PERCENT WETTER.  
HUMIDITY RECOVERY...FAIR.  
20-FOOT WINDS.......NORTHWEST AROUND 10 MPH AND GUSTY.  
LAL.................1.  
CHC OF WETTING RAIN.ZERO PERCENT.  
TRANSPORT WINDS.....NORTHWEST AROUND 25 MPH.  
MIXING HEIGHT.......400-1100 FT AGL.  
SMOKE DISPERSAL.....POOR (13400-19700 KNOT-FT).  
HAINES INDEX........3 OR VERY LOW POTENTIAL FOR LARGE PLUME  
DOMINATED FIRE GROWTH.  
   
MONDAY
 
 
SKY/WEATHER.........PARTLY CLOUDY UNTIL 1500, THEN MOSTLY SUNNY.  
MAX TEMPERATURE.....55-60.  
24 HR TREND......13 DEGREES COOLER.  
MIN HUMIDITY........19-25 PERCENT.  
24 HR TREND......UNCHANGED.  
20-FOOT WINDS.......NORTHWEST AROUND 10 MPH WITH GUSTS TO AROUND 45  
MPH INCREASING TO AROUND 20 MPH WITH GUSTS TO  
AROUND 55 MPH IN THE AFTERNOON.  
LAL.................1.  
CHC OF WETTING RAIN.ZERO PERCENT.  
TRANSPORT WINDS.....NORTHWEST 30 TO 35 MPH.  
MIXING HEIGHT.......3800-4500 FT AGL INCREASING TO 7300-8800 FT AGL  
IN THE AFTERNOON.  
SMOKE DISPERSAL.....VERY GOOD (109900 KNOT-FT) INCREASING TO  
EXCELLENT (246700 KNOT-FT) IN THE AFTERNOON.  
HAINES INDEX........3 OR VERY LOW POTENTIAL FOR LARGE PLUME  
DOMINATED FIRE GROWTH.  
   
FORECAST DAYS 3 THROUGH 7
 
   
TUESDAY
 
MOSTLY CLEAR. LOWS IN THE LOWER 30S. HIGHS IN THE  
UPPER 50S. NORTHWEST WINDS AROUND 10 MPH.    
WEDNESDAY
 
WARMER. MOSTLY CLEAR. LOWS IN THE UPPER 30S. HIGHS  
IN THE LOWER 70S. WEST WINDS AROUND 10 MPH.    
THURSDAY
 
COOLER. PARTLY CLOUDY. CHANCE OF SHOWERS. LOWS IN THE  
UPPER 30S. HIGHS IN THE MID 50S. NORTHWEST WINDS AROUND 10 MPH.    
FRIDAY
 
COLDER. PARTLY CLOUDY. LOWS AROUND 19. HIGHS IN THE  
LOWER 40S.    
SATURDAY
 
PARTLY CLOUDY. LOWS IN THE LOWER 20S. HIGHS IN THE  
UPPER 40S.  
 

 
 
CLICK HERE TO GO TO PREVIOUS BULLETINS.

The Nexlab WY Page
The Nexlab NE Page Main Text Page