894  
FNUS55 KCYS 160717  
FWFCYS  
 
FIRE WEATHER PLANNING FORECAST FOR SOUTHEAST WYOMING/WESTERN NEBRASKA  
NATIONAL WEATHER SERVICE CHEYENNE WY  
117 AM MDT TUE JUL 16 2019  
 
...DRY AND WINDY CONDITIONS WEDNESDAY THROUGH FRIDAY FOR MUCH OF  
SOUTHEAST WYOMING AND NEBRASKA PANHANDLE...  
   
DISCUSSION
 
 
ONE LAST DAY OF SHOWERS AND THUNDERSTORMS TODAY...MAINLY EAST OF  
THE LARAMIE RANGE INTO THE NEBRASKA PANHANDLE. THEN CONDITIONS  
TURN DRIER AND WINDIER. COULD BE A FEW HIGH BASED STORMS WEDNESDAY  
AFTERNOON...BUT OVERALL...DRIER CONDITIONS EXPECTED. VERY DRY  
CONDITIONS BEGIN ACROSS CARBON COUNTY STARTING THIS  
AFTERNOON...SPREADING EAST ON WEDNESDAY AND THURSDAY. AFTERNOON  
HUMIDITY EXPECTED TO FALL INTO THE LOW TEENS EACH DAY WITH POOR  
OVERNIGHT RECOVERIES. LATE MORNING AND AFTERNOON WESTERLY WINDS  
GUSTING CLOSE TO 40 MPH WILL COMBINE WITH THE DRY AIRMASS TO  
CREATE ELEVATED TO CRITICAL FIRE WEATHER CONDITIONS.  
FORTUNATELY...FUELS ARE STILL REPORTED AS NOT RECEPTIVE TO RAPID  
FIRE SPREAD AT THIS TIME. THE EXCEPTION IS FWZ 310...WHICH WILL  
LIKELY NEED A FIRE WEATHER WATCH FOR THURSDAY.  
 
WYZ301-162230-  
NIOBRARA/LOWER ELEVATIONS OF CONVERSE/THUNDER BASIN NATIONAL  
GRASSLAND-  
117 AM MDT TUE JUL 16 2019  
   
TODAY
 
 
SKY/WEATHER.........MOSTLY SUNNY UNTIL 1200, THEN PARTLY CLOUDY.  
CHANCE OF SHOWERS AND THUNDERSTORMS AFTER 1200.  
SOME THUNDERSTORMS MAY BE SEVERE AFTER 1200.  
MAX TEMPERATURE.....85-90.  
24 HR TREND......UNCHANGED.  
MIN HUMIDITY........26-32 PERCENT.  
24 HR TREND......4 PERCENT DRIER.  
20-FOOT WINDS.......SOUTH AROUND 5 MPH AND GUSTY.  
LAL.................1 UNTIL 1200, THEN 4.  
CHC OF WETTING RAIN.15 PERCENT.  
TRANSPORT WINDS.....SOUTH 5 TO 10 MPH.  
MIXING HEIGHT.......1400-2000 FT AGL INCREASING TO 8100-10100 FT  
AGL IN THE AFTERNOON.  
SMOKE DISPERSAL.....POOR (7400 KNOT-FT) INCREASING TO GOOD (70300  
KNOT-FT) IN THE AFTERNOON.  
HAINES INDEX........4 OR LOW POTENTIAL FOR LARGE PLUME DOMINATED  
FIRE GROWTH.  
   
TONIGHT
 
 
SKY/WEATHER.........PARTLY CLOUDY. CHANCE OF SHOWERS AND  
THUNDERSTORMS UNTIL 1900, THEN SLIGHT CHANCE OF  
SHOWERS UNTIL 2400. SLIGHT CHANCE OF  
THUNDERSTORMS AFTER 1900. SOME THUNDERSTORMS  
MAY BE SEVERE UNTIL 1900. SOME THUNDERSTORMS  
MAY BE SEVERE AFTER 1900.  
MIN TEMPERATURE.....56-61.  
24 HR TREND......UNCHANGED.  
MAX HUMIDITY........84-90 PERCENT.  
24 HR TREND......6 PERCENT WETTER.  
HUMIDITY RECOVERY...EXCELLENT.  
20-FOOT WINDS.......EAST AROUND 5 MPH SHIFTING TO THE NORTHEAST  
AFTER MIDNIGHT. GUSTS UP TO 15 MPH.  
LAL.................3 UNTIL 2400, THEN 2.  
CHC OF WETTING RAIN.10 PERCENT.  
TRANSPORT WINDS.....SOUTHEAST AROUND 15 MPH SHIFTING TO THE NORTH  
AFTER MIDNIGHT.  
MIXING HEIGHT.......500-1400 FT AGL.  
SMOKE DISPERSAL.....POOR (6400-15200 KNOT-FT).  
HAINES INDEX........5 OR MODERATE POTENTIAL FOR LARGE PLUME  
DOMINATED FIRE GROWTH.  
   
WEDNESDAY
 
 
SKY/WEATHER.........PARTLY CLOUDY UNTIL 1200, THEN MOSTLY SUNNY  
UNTIL 1500, THEN PARTLY CLOUDY. CHANCE OF  
SHOWERS AND THUNDERSTORMS AFTER 1200. SOME  
THUNDERSTORMS MAY BE SEVERE AFTER 1200.  
MAX TEMPERATURE.....83-88.  
24 HR TREND......2 DEGREES COOLER.  
MIN HUMIDITY........28-34 PERCENT.  
24 HR TREND......1 PERCENT WETTER.  
20-FOOT WINDS.......NORTHWEST AROUND 5 MPH AND GUSTY.  
LAL.................1 UNTIL 1200, THEN 3.  
CHC OF WETTING RAIN.5 PERCENT.  
TRANSPORT WINDS.....NORTH AROUND 10 MPH SHIFTING TO THE WEST IN THE  
AFTERNOON.  
MIXING HEIGHT.......2600-3400 FT AGL INCREASING TO 6100-8100 FT AGL  
IN THE AFTERNOON.  
SMOKE DISPERSAL.....POOR TO FAIR (26700-55800 KNOT-FT).  
HAINES INDEX........3 OR VERY LOW POTENTIAL FOR LARGE PLUME  
DOMINATED FIRE GROWTH.  
   
FORECAST DAYS 3 THROUGH 7
 
   
THURSDAY
 
MOSTLY CLEAR. SLIGHT CHANCE OF SHOWERS AND  
THUNDERSTORMS. LOWS IN THE UPPER 50S. HIGHS IN THE LOWER 90S.  
WEST WINDS AROUND 10 MPH.    
FRIDAY
 
CLEAR. LOWS IN THE UPPER 50S. HIGHS IN THE LOWER 90S.  
WEST WINDS AROUND 5 MPH.    
SATURDAY
 
MOSTLY CLEAR. LOWS IN THE UPPER 50S. HIGHS IN THE MID  
80S. WINDS GENERALLY LESS THAN 10 MPH.    
SUNDAY
 
MOSTLY CLEAR. SLIGHT CHANCE OF SHOWERS AND  
THUNDERSTORMS. LOWS IN THE UPPER 50S. HIGHS AROUND 80.    
MONDAY
 
MOSTLY CLEAR. ISOLATED SHOWERS AND THUNDERSTORMS. LOWS  
IN THE MID 50S. HIGHS IN THE MID 80S.  
 

 
 
WYZ302-162230-  
NORTH LARAMIE RANGE/MEDICINE BOW NF-  
117 AM MDT TUE JUL 16 2019  
   
TODAY
 
 
SKY/WEATHER.........MOSTLY SUNNY UNTIL 1200, THEN PARTLY CLOUDY  
UNTIL 1500, THEN MOSTLY CLOUDY. SLIGHT CHANCE  
OF SHOWERS AND THUNDERSTORMS AFTER 1200 UNTIL  
1300, THEN CHANCE OF SHOWERS AND THUNDERSTORMS.  
SOME THUNDERSTORMS MAY BE SEVERE AFTER 1600.  
MAX TEMPERATURE.....80-86.  
24 HR TREND......1 DEGREE WARMER.  
MIN HUMIDITY........21-27 PERCENT.  
24 HR TREND......7 PERCENT DRIER.  
20-FOOT WINDS.......SOUTHWEST 5 TO 10 MPH AND GUSTY.  
LAL.................1 UNTIL 1200, THEN 3.  
CHC OF WETTING RAIN.5 PERCENT.  
TRANSPORT WINDS.....SOUTHWEST 10 TO 15 MPH.  
MIXING HEIGHT.......2800-4800 FT AGL INCREASING TO 11900-13900 FT  
AGL IN THE AFTERNOON.  
SMOKE DISPERSAL.....FAIR (41600 KNOT-FT) INCREASING TO EXCELLENT  
(189700 KNOT-FT) IN THE AFTERNOON.  
HAINES INDEX........5 OR MODERATE POTENTIAL FOR LARGE PLUME  
DOMINATED FIRE GROWTH.  
   
TONIGHT
 
 
SKY/WEATHER.........PARTLY CLOUDY. SLIGHT CHANCE OF SHOWERS AND  
THUNDERSTORMS UNTIL 2100. SLIGHT CHANCE OF  
SHOWERS AND THUNDERSTORMS AFTER 2200 UNTIL  
2400. SOME THUNDERSTORMS MAY BE SEVERE UNTIL  
2100. SOME THUNDERSTORMS MAY BE SEVERE AFTER  
2200 UNTIL 2400.  
MIN TEMPERATURE.....55-60.  
24 HR TREND......1 DEGREE WARMER.  
MAX HUMIDITY........60-66 PERCENT.  
24 HR TREND......24 PERCENT DRIER.  
HUMIDITY RECOVERY...FAIR.  
20-FOOT WINDS.......SOUTH AROUND 5 MPH SHIFTING TO THE SOUTHWEST  
AFTER MIDNIGHT. GUSTS UP TO 20 MPH.  
LAL.................2 UNTIL 2400, THEN 1.  
CHC OF WETTING RAIN.ZERO PERCENT.  
TRANSPORT WINDS.....SOUTHWEST AROUND 20 MPH.  
MIXING HEIGHT.......600-2500 FT AGL.  
SMOKE DISPERSAL.....POOR (18300-23500 KNOT-FT).  
HAINES INDEX........6 OR HIGH POTENTIAL FOR LARGE PLUME DOMINATED  
FIRE GROWTH.  
   
WEDNESDAY
 
 
SKY/WEATHER.........MOSTLY SUNNY UNTIL 1500, THEN PARTLY CLOUDY.  
SLIGHT CHANCE OF SHOWERS AND THUNDERSTORMS  
AFTER 1200.  
MAX TEMPERATURE.....78-84.  
24 HR TREND......UNCHANGED.  
MIN HUMIDITY........17-23 PERCENT.  
24 HR TREND......2 PERCENT DRIER.  
20-FOOT WINDS.......WEST 10 TO 15 MPH. GUSTS UP TO 25 MPH  
INCREASING TO 35 MPH IN THE AFTERNOON.  
LAL.................1 UNTIL 1200, THEN 3.  
CHC OF WETTING RAIN.ZERO PERCENT.  
TRANSPORT WINDS.....WEST AROUND 15 MPH INCREASING TO AROUND 25 MPH  
IN THE AFTERNOON.  
MIXING HEIGHT.......1400-2300 FT AGL INCREASING TO 12800-14200 FT  
AGL IN THE AFTERNOON.  
SMOKE DISPERSAL.....POOR (21700 KNOT-FT) INCREASING TO EXCELLENT  
(270600 KNOT-FT) IN THE AFTERNOON.  
HAINES INDEX........5 OR MODERATE POTENTIAL FOR LARGE PLUME  
DOMINATED FIRE GROWTH.  
   
FORECAST DAYS 3 THROUGH 7
 
   
THURSDAY
 
MOSTLY CLEAR. LOWS IN THE UPPER 50S. HIGHS IN THE MID  
80S. WEST WINDS AROUND 15 MPH.    
FRIDAY
 
CLEAR. LOWS AROUND 60. HIGHS IN THE UPPER 80S. WEST  
WINDS AROUND 10 MPH.    
SATURDAY
 
MOSTLY CLEAR. LOWS IN THE UPPER 50S. HIGHS IN THE  
LOWER 80S. SOUTHWEST WINDS AROUND 10 MPH.    
SUNDAY
 
MOSTLY CLEAR WITH SLIGHT CHANCE OF SHOWERS AND  
THUNDERSTORMS. LOWS IN THE MID 50S. HIGHS IN THE MID 70S.    
MONDAY
 
MOSTLY CLEAR. ISOLATED SHOWERS AND THUNDERSTORMS. LOWS  
IN THE MID 50S. HIGHS IN THE UPPER 70S.  
 

 
 
WYZ303-162230-  
CENTRAL AND NORTHERN CARBON/FERRIS-SEMINOE-SHIRLEY MOUNTAINS-  
117 AM MDT TUE JUL 16 2019  
   
TODAY
 
 
SKY/WEATHER.........MOSTLY SUNNY UNTIL 1200, THEN PARTLY CLOUDY.  
MAX TEMPERATURE.....83-89.  
24 HR TREND......3 DEGREES WARMER.  
MIN HUMIDITY........10-16 PERCENT.  
24 HR TREND......4 PERCENT DRIER.  
20-FOOT WINDS.......SOUTHWEST AROUND 5 MPH AND GUSTY INCREASING TO  
AROUND 15 MPH WITH HIGHER GUSTS IN THE  
AFTERNOON.  
LAL.................1 UNTIL 1200, THEN 3.  
CHC OF WETTING RAIN.ZERO PERCENT.  
TRANSPORT WINDS.....SOUTHWEST AROUND 10 MPH INCREASING TO AROUND 20  
MPH IN THE AFTERNOON.  
MIXING HEIGHT.......2500-4500 FT AGL INCREASING TO 13900-15900 FT  
AGL IN THE AFTERNOON.  
SMOKE DISPERSAL.....FAIR (40400 KNOT-FT) INCREASING TO EXCELLENT  
(289900 KNOT-FT) IN THE AFTERNOON.  
HAINES INDEX........5 OR MODERATE POTENTIAL FOR LARGE PLUME  
DOMINATED FIRE GROWTH.  
   
TONIGHT
 
 
SKY/WEATHER.........PARTLY CLOUDY.  
MIN TEMPERATURE.....53-58.  
24 HR TREND......1 DEGREE WARMER.  
MAX HUMIDITY........59-65 PERCENT.  
24 HR TREND......UNCHANGED.  
HUMIDITY RECOVERY...FAIR.  
20-FOOT WINDS.......WEST 5 TO 10 MPH. GUSTS UP TO 25 MPH DECREASING  
TO 15 MPH AFTER MIDNIGHT.  
LAL.................1.  
CHC OF WETTING RAIN.ZERO PERCENT.  
TRANSPORT WINDS.....SOUTHWEST AROUND 20 MPH BECOMING WEST AROUND 10  
MPH AFTER MIDNIGHT.  
MIXING HEIGHT.......2500-4500 FT AGL DECREASING TO 600-1500 FT AGL  
AFTER MIDNIGHT.  
SMOKE DISPERSAL.....GOOD (60600 KNOT-FT) DECREASING TO POOR (9400  
KNOT-FT) AFTER MIDNIGHT.  
HAINES INDEX........6 OR HIGH POTENTIAL FOR LARGE PLUME DOMINATED  
FIRE GROWTH.  
   
WEDNESDAY
 
 
SKY/WEATHER.........MOSTLY SUNNY.  
MAX TEMPERATURE.....81-86.  
24 HR TREND......4 DEGREES COOLER.  
MIN HUMIDITY........9-15 PERCENT.  
24 HR TREND......UNCHANGED.  
20-FOOT WINDS.......SOUTHWEST AROUND 10 MPH INCREASING TO WEST  
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 WEST  
AROUND 30 MPH IN THE AFTERNOON.  
MIXING HEIGHT.......1100-2900 FT AGL INCREASING TO 13400-14300 FT  
AGL IN THE AFTERNOON.  
SMOKE DISPERSAL.....POOR (22800 KNOT-FT) INCREASING TO EXCELLENT  
(335300 KNOT-FT) IN THE AFTERNOON.  
HAINES INDEX........6 OR HIGH POTENTIAL FOR LARGE PLUME DOMINATED  
FIRE GROWTH.  
   
FORECAST DAYS 3 THROUGH 7
 
   
THURSDAY
 
MOSTLY CLEAR. LOWS IN THE MID 50S. HIGHS IN THE MID  
80S. WEST WINDS AROUND 15 MPH.    
FRIDAY
 
CLEAR. LOWS IN THE MID 50S. HIGHS IN THE UPPER 80S.  
SOUTHWEST WINDS AROUND 10 MPH.    
SATURDAY
 
MOSTLY CLEAR. LOWS IN THE MID 50S. HIGHS IN THE MID  
80S. SOUTHWEST WINDS AROUND 10 MPH.    
SUNDAY
 
MOSTLY CLEAR. SLIGHT CHANCE OF SHOWERS AND  
THUNDERSTORMS. LOWS IN THE LOWER 50S. HIGHS AROUND 80.    
MONDAY
 
MOSTLY CLEAR. ISOLATED SHOWERS AND THUNDERSTORMS. LOWS  
IN THE LOWER 50S. HIGHS IN THE LOWER 80S.  
 

 
 
WYZ304-162230-  
SOUTHWEST CARBON COUNTY-  
117 AM MDT TUE JUL 16 2019  
   
TODAY
 
 
SKY/WEATHER.........MOSTLY SUNNY UNTIL 1500, THEN PARTLY CLOUDY.  
MAX TEMPERATURE.....86-91.  
24 HR TREND......3 DEGREES WARMER.  
MIN HUMIDITY........8-14 PERCENT.  
24 HR TREND......5 PERCENT DRIER.  
20-FOOT WINDS.......SOUTH AROUND 5 MPH AND GUSTY INCREASING TO  
SOUTHWEST AROUND 15 MPH WITH HIGHER GUSTS IN  
THE AFTERNOON.  
LAL.................1.  
CHC OF WETTING RAIN.ZERO PERCENT.  
TRANSPORT WINDS.....SOUTH AROUND 10 MPH INCREASING TO SOUTHWEST  
AROUND 25 MPH IN THE AFTERNOON.  
MIXING HEIGHT.......1200-3000 FT AGL INCREASING TO 14500-15300 FT  
AGL IN THE AFTERNOON.  
SMOKE DISPERSAL.....POOR (21200 KNOT-FT) INCREASING TO EXCELLENT  
(310800 KNOT-FT) IN THE AFTERNOON.  
HAINES INDEX........5 OR MODERATE POTENTIAL FOR LARGE PLUME  
DOMINATED FIRE GROWTH.  
   
TONIGHT
 
 
SKY/WEATHER.........PARTLY CLOUDY.  
MIN TEMPERATURE.....52-57.  
24 HR TREND......1 DEGREE WARMER.  
MAX HUMIDITY........52-58 PERCENT.  
24 HR TREND......14 PERCENT DRIER.  
HUMIDITY RECOVERY...FAIR.  
20-FOOT WINDS.......SOUTH 5 TO 10 MPH. GUSTS UP TO 30 MPH  
DECREASING TO 15 MPH AFTER MIDNIGHT.  
LAL.................1.  
CHC OF WETTING RAIN.ZERO PERCENT.  
TRANSPORT WINDS.....SOUTHWEST AROUND 20 MPH DECREASING TO AROUND 10  
MPH AFTER MIDNIGHT.  
MIXING HEIGHT.......3000-5000 FT AGL DECREASING TO 600-1100 FT AGL  
AFTER MIDNIGHT.  
SMOKE DISPERSAL.....GOOD (68600 KNOT-FT) DECREASING TO POOR (5900  
KNOT-FT) AFTER MIDNIGHT.  
HAINES INDEX........6 OR HIGH POTENTIAL FOR LARGE PLUME DOMINATED  
FIRE GROWTH.  
   
WEDNESDAY
 
 
SKY/WEATHER.........MOSTLY SUNNY.  
MAX TEMPERATURE.....84-89.  
24 HR TREND......4 DEGREES COOLER.  
MIN HUMIDITY........8-14 PERCENT.  
24 HR TREND......2 PERCENT DRIER.  
20-FOOT WINDS.......SOUTHWEST AROUND 10 MPH WITH HIGHER GUSTS  
INCREASING TO AROUND 20 MPH WITH GUSTS TO  
AROUND 40 MPH IN THE AFTERNOON.  
LAL.................1.  
CHC OF WETTING RAIN.ZERO PERCENT.  
TRANSPORT WINDS.....SOUTHWEST AROUND 15 MPH INCREASING TO AROUND 25  
MPH IN THE AFTERNOON.  
MIXING HEIGHT.......1200-2100 FT AGL INCREASING TO 13500-14100 FT  
AGL IN THE AFTERNOON.  
SMOKE DISPERSAL.....POOR (22200 KNOT-FT) INCREASING TO EXCELLENT  
(318700 KNOT-FT) IN THE AFTERNOON.  
HAINES INDEX........6 OR HIGH POTENTIAL FOR LARGE PLUME DOMINATED  
FIRE GROWTH.  
   
FORECAST DAYS 3 THROUGH 7
 
   
THURSDAY
 
MOSTLY CLEAR. LOWS IN THE LOWER 50S. HIGHS IN THE  
UPPER 80S. SOUTHWEST WINDS AROUND 10 MPH.    
FRIDAY
 
CLEAR. LOWS IN THE LOWER 50S. HIGHS IN THE UPPER 80S.  
SOUTHWEST WINDS AROUND 10 MPH.    
SATURDAY
 
MOSTLY CLEAR. LOWS IN THE MID 50S. HIGHS IN THE UPPER  
80S. SOUTHWEST WINDS AROUND 10 MPH.    
SUNDAY
 
MOSTLY CLEAR. LOWS IN THE LOWER 50S. HIGHS IN THE MID  
80S.    
MONDAY
 
MOSTLY CLEAR. LOWS IN THE LOWER 50S. HIGHS IN THE MID  
80S.  
 

 
 
WYZ305-162230-  
SIERRA MADRE RANGE/MEDICINE BOW NF-  
117 AM MDT TUE JUL 16 2019  
   
TODAY
 
 
SKY/WEATHER.........MOSTLY SUNNY UNTIL 1200, THEN PARTLY CLOUDY.  
SLIGHT CHANCE OF SHOWERS AND THUNDERSTORMS  
AFTER 1300.  
MAX TEMPERATURE.....74-84.  
24 HR TREND......1 DEGREE WARMER.  
MIN HUMIDITY........16-22 PERCENT.  
24 HR TREND......7 PERCENT DRIER.  
20-FOOT WINDS.......SOUTHWEST 5 TO 10 MPH. GUSTS UP TO 15 MPH  
INCREASING TO 25 MPH IN THE AFTERNOON.  
LAL.................1 UNTIL 1200, THEN 2.  
CHC OF WETTING RAIN.ZERO PERCENT.  
TRANSPORT WINDS.....SOUTHWEST 15 TO 20 MPH.  
MIXING HEIGHT.......7900-9900 FT AGL INCREASING TO 12200-13800 FT  
AGL IN THE AFTERNOON.  
SMOKE DISPERSAL.....VERY GOOD (133200 KNOT-FT) INCREASING TO  
EXCELLENT (247800 KNOT-FT) IN THE AFTERNOON.  
HAINES INDEX........5 OR MODERATE POTENTIAL FOR LARGE PLUME  
DOMINATED FIRE GROWTH.  
   
TONIGHT
 
 
SKY/WEATHER.........PARTLY CLOUDY.  
MIN TEMPERATURE.....49-57.  
24 HR TREND......1 DEGREE COOLER.  
MAX HUMIDITY........48-54 PERCENT.  
24 HR TREND......8 PERCENT DRIER.  
HUMIDITY RECOVERY...POOR.  
20-FOOT WINDS.......SOUTH 5 TO 10 MPH. GUSTS UP TO 25 MPH  
DECREASING TO 15 MPH AFTER MIDNIGHT.  
LAL.................1.  
CHC OF WETTING RAIN.ZERO PERCENT.  
TRANSPORT WINDS.....SOUTHWEST AROUND 20 MPH.  
MIXING HEIGHT.......2300-4300 FT AGL.  
SMOKE DISPERSAL.....FAIR TO GOOD (42900-74300 KNOT-FT).  
HAINES INDEX........5 OR MODERATE POTENTIAL FOR LARGE PLUME  
DOMINATED FIRE GROWTH.  
   
WEDNESDAY
 
 
SKY/WEATHER.........MOSTLY SUNNY.  
MAX TEMPERATURE.....74-82.  
24 HR TREND......UNCHANGED.  
MIN HUMIDITY........11-17 PERCENT.  
24 HR TREND......6 PERCENT DRIER.  
20-FOOT WINDS.......SOUTHWEST AROUND 10 MPH WITH HIGHER GUSTS  
INCREASING TO AROUND 20 MPH WITH GUSTS TO  
AROUND 35 MPH IN THE AFTERNOON.  
LAL.................1.  
CHC OF WETTING RAIN.ZERO PERCENT.  
TRANSPORT WINDS.....SOUTHWEST 25 TO 30 MPH.  
MIXING HEIGHT.......4500-6500 FT AGL INCREASING TO 11300-13100 FT  
AGL IN THE AFTERNOON.  
SMOKE DISPERSAL.....VERY GOOD (127500 KNOT-FT) INCREASING TO  
EXCELLENT (318600 KNOT-FT) IN THE AFTERNOON.  
HAINES INDEX........6 OR HIGH POTENTIAL FOR LARGE PLUME DOMINATED  
FIRE GROWTH.  
   
FORECAST DAYS 3 THROUGH 7
 
   
THURSDAY
 
MOSTLY CLEAR. LOWS IN THE LOWER 50S. HIGHS AROUND 80.  
SOUTHWEST WINDS AROUND 10 MPH.    
FRIDAY
 
CLEAR. LOWS IN THE LOWER 50S. HIGHS IN THE LOWER 80S.  
SOUTHWEST WINDS AROUND 10 MPH.    
SATURDAY
 
MOSTLY CLEAR. LOWS IN THE LOWER 50S. HIGHS AROUND 80.  
SOUTHWEST WINDS AROUND 10 MPH.    
SUNDAY
 
MOSTLY CLEAR. SLIGHT CHANCE OF SHOWERS AND  
THUNDERSTORMS. LOWS IN THE LOWER 50S. HIGHS IN THE UPPER 70S.    
MONDAY
 
MOSTLY CLEAR. ISOLATED SHOWERS AND THUNDERSTORMS. LOWS  
IN THE LOWER 50S. HIGHS IN THE UPPER 70S.  
 

 
 
WYZ306-162230-  
UPPER NORTH PLATTE RIVER BASIN-  
117 AM MDT TUE JUL 16 2019  
   
TODAY
 
 
SKY/WEATHER.........MOSTLY SUNNY UNTIL 1200, THEN PARTLY CLOUDY.  
SLIGHT CHANCE OF SHOWERS AND THUNDERSTORMS  
AFTER 1300.  
MAX TEMPERATURE.....82-87.  
24 HR TREND......1 DEGREE WARMER.  
MIN HUMIDITY........13-19 PERCENT.  
24 HR TREND......2 PERCENT DRIER.  
20-FOOT WINDS.......SOUTH AROUND 5 MPH AND GUSTY INCREASING TO  
SOUTHWEST AROUND 15 MPH WITH HIGHER GUSTS IN  
THE AFTERNOON.  
LAL.................1 UNTIL 1200, THEN 2.  
CHC OF WETTING RAIN.ZERO PERCENT.  
TRANSPORT WINDS.....SOUTHWEST 15 TO 20 MPH.  
MIXING HEIGHT.......4400-6400 FT AGL INCREASING TO 14100-14800 FT  
AGL IN THE AFTERNOON.  
SMOKE DISPERSAL.....GOOD (62600 KNOT-FT) INCREASING TO EXCELLENT  
(257300 KNOT-FT) IN THE AFTERNOON.  
HAINES INDEX........5 OR MODERATE POTENTIAL FOR LARGE PLUME  
DOMINATED FIRE GROWTH.  
   
TONIGHT
 
 
SKY/WEATHER.........MOSTLY CLEAR.  
MIN TEMPERATURE.....53-58.  
24 HR TREND......2 DEGREES WARMER.  
MAX HUMIDITY........54-60 PERCENT.  
24 HR TREND......7 PERCENT DRIER.  
HUMIDITY RECOVERY...FAIR.  
20-FOOT WINDS.......SOUTHWEST 5 TO 10 MPH. GUSTS UP TO 25 MPH  
DECREASING TO 15 MPH AFTER MIDNIGHT.  
LAL.................1.  
CHC OF WETTING RAIN.ZERO PERCENT.  
TRANSPORT WINDS.....SOUTHWEST AROUND 20 MPH DECREASING TO AROUND 10  
MPH AFTER MIDNIGHT.  
MIXING HEIGHT.......3100-5100 FT AGL DECREASING TO 700-1300 FT AGL  
AFTER MIDNIGHT.  
SMOKE DISPERSAL.....GOOD (65900 KNOT-FT) DECREASING TO POOR (10000  
KNOT-FT) AFTER MIDNIGHT.  
HAINES INDEX........5 OR MODERATE POTENTIAL FOR LARGE PLUME  
DOMINATED FIRE GROWTH.  
   
WEDNESDAY
 
 
SKY/WEATHER.........MOSTLY SUNNY.  
MAX TEMPERATURE.....82-87.  
24 HR TREND......1 DEGREE COOLER.  
MIN HUMIDITY........9-15 PERCENT.  
24 HR TREND......3 PERCENT DRIER.  
20-FOOT WINDS.......SOUTHWEST AROUND 10 MPH WITH HIGHER GUSTS  
INCREASING TO AROUND 20 MPH WITH GUSTS TO  
AROUND 35 MPH IN THE AFTERNOON.  
LAL.................1.  
CHC OF WETTING RAIN.ZERO PERCENT.  
TRANSPORT WINDS.....SOUTHWEST AROUND 20 MPH INCREASING TO WEST  
AROUND 30 MPH IN THE AFTERNOON.  
MIXING HEIGHT.......2700-4700 FT AGL INCREASING TO 13600-14200 FT  
AGL IN THE AFTERNOON.  
SMOKE DISPERSAL.....GOOD (64800 KNOT-FT) INCREASING TO EXCELLENT  
(349400 KNOT-FT) IN THE AFTERNOON.  
HAINES INDEX........6 OR HIGH POTENTIAL FOR LARGE PLUME DOMINATED  
FIRE GROWTH.  
   
FORECAST DAYS 3 THROUGH 7
 
   
THURSDAY
 
MOSTLY CLEAR. LOWS IN THE LOWER 50S. HIGHS IN THE MID  
80S. SOUTHWEST WINDS AROUND 10 MPH.    
FRIDAY
 
CLEAR. LOWS IN THE MID 50S. HIGHS IN THE MID 80S.  
SOUTHWEST WINDS AROUND 10 MPH.    
SATURDAY
 
MOSTLY CLEAR. LOWS IN THE MID 50S. HIGHS IN THE MID  
80S. WINDS GENERALLY LESS THAN 10 MPH.    
SUNDAY
 
MOSTLY CLEAR. SLIGHT CHANCE OF SHOWERS AND  
THUNDERSTORMS. LOWS IN THE LOWER 50S. HIGHS IN THE LOWER 80S.    
MONDAY
 
MOSTLY CLEAR. ISOLATED SHOWERS AND THUNDERSTORMS. LOWS  
IN THE LOWER 50S. HIGHS IN THE LOWER 80S.  
 

 
 
WYZ307-162230-  
SNOWY RANGE/MEDICINE BOW NF-  
117 AM MDT TUE JUL 16 2019  
   
TODAY
 
 
SKY/WEATHER.........MOSTLY SUNNY UNTIL 1200, THEN PARTLY CLOUDY.  
SLIGHT CHANCE OF SHOWERS AND THUNDERSTORMS  
AFTER 1200.  
MAX TEMPERATURE.....72-80.  
24 HR TREND......UNCHANGED.  
MIN HUMIDITY........18-24 PERCENT.  
24 HR TREND......5 PERCENT DRIER.  
20-FOOT WINDS.......SOUTHWEST 5 TO 10 MPH. GUSTS UP TO 15 MPH  
INCREASING TO 25 MPH IN THE AFTERNOON.  
LAL.................1 UNTIL 1200, THEN 3.  
CHC OF WETTING RAIN.5 PERCENT.  
TRANSPORT WINDS.....SOUTHWEST 15 TO 20 MPH.  
MIXING HEIGHT.......7600-9600 FT AGL INCREASING TO 11500-13200 FT  
AGL IN THE AFTERNOON.  
SMOKE DISPERSAL.....VERY GOOD (132800 KNOT-FT) INCREASING TO  
EXCELLENT (214600 KNOT-FT) IN THE AFTERNOON.  
HAINES INDEX........4 OR LOW POTENTIAL FOR LARGE PLUME DOMINATED  
FIRE GROWTH.  
   
TONIGHT
 
 
SKY/WEATHER.........MOSTLY CLEAR.  
MIN TEMPERATURE.....45-53.  
24 HR TREND......6 DEGREES WARMER.  
MAX HUMIDITY........58-64 PERCENT.  
24 HR TREND......12 PERCENT DRIER.  
HUMIDITY RECOVERY...FAIR.  
20-FOOT WINDS.......SOUTHWEST 5 TO 10 MPH AND GUSTY.  
LAL.................1.  
CHC OF WETTING RAIN.ZERO PERCENT.  
TRANSPORT WINDS.....SOUTHWEST AROUND 20 MPH.  
MIXING HEIGHT.......3200-5200 FT AGL.  
SMOKE DISPERSAL.....GOOD (70700-90600 KNOT-FT).  
HAINES INDEX........5 OR MODERATE POTENTIAL FOR LARGE PLUME  
DOMINATED FIRE GROWTH.  
   
WEDNESDAY
 
 
SKY/WEATHER.........MOSTLY SUNNY.  
MAX TEMPERATURE.....72-80.  
24 HR TREND......2 DEGREES WARMER.  
MIN HUMIDITY........11-17 PERCENT.  
24 HR TREND......7 PERCENT DRIER.  
20-FOOT WINDS.......SOUTHWEST AROUND 10 MPH INCREASING TO WEST  
AROUND 20 MPH IN THE AFTERNOON. GUSTS UP TO 35  
MPH.  
LAL.................1.  
CHC OF WETTING RAIN.ZERO PERCENT.  
TRANSPORT WINDS.....WEST AROUND 30 MPH.  
MIXING HEIGHT.......5200-7200 FT AGL INCREASING TO 11800-13400 FT  
AGL IN THE AFTERNOON.  
SMOKE DISPERSAL.....EXCELLENT (156000 KNOT-FT) INCREASING TO  
EXCELLENT (331500 KNOT-FT) IN THE AFTERNOON.  
HAINES INDEX........6 OR HIGH POTENTIAL FOR LARGE PLUME DOMINATED  
FIRE GROWTH.  
   
FORECAST DAYS 3 THROUGH 7
 
   
THURSDAY
 
MOSTLY CLEAR. LOWS IN THE UPPER 40S. HIGHS IN THE  
UPPER 70S. SOUTHWEST WINDS AROUND 10 MPH.    
FRIDAY
 
CLEAR. LOWS IN THE UPPER 40S. HIGHS IN THE UPPER 70S.  
SOUTHWEST WINDS AROUND 10 MPH.    
SATURDAY
 
MOSTLY CLEAR. SLIGHT CHANCE OF SHOWERS AND  
THUNDERSTORMS. LOWS IN THE UPPER 40S. HIGHS IN THE UPPER 70S.  
SOUTHWEST WINDS AROUND 10 MPH.    
SUNDAY
 
MOSTLY CLEAR WITH CHANCE OF SHOWERS AND SLIGHT CHANCE  
OF THUNDERSTORMS. LOWS IN THE UPPER 40S. HIGHS IN THE MID 70S.    
MONDAY
 
MOSTLY CLEAR. SCATTERED SHOWERS AND THUNDERSTORMS. LOWS  
IN THE MID 40S. HIGHS IN THE MID 70S.  
 

 
 
WYZ308-162230-  
LARAMIE VALLEY/SHIRLEY BASIN-  
117 AM MDT TUE JUL 16 2019  
   
TODAY
 
 
SKY/WEATHER.........MOSTLY SUNNY UNTIL 1200, THEN PARTLY CLOUDY  
UNTIL 1500, THEN MOSTLY CLOUDY. SLIGHT CHANCE  
OF SHOWERS AND THUNDERSTORMS AFTER 1200 UNTIL  
1300, THEN CHANCE OF SHOWERS AND THUNDERSTORMS.  
MAX TEMPERATURE.....83-88.  
24 HR TREND......3 DEGREES WARMER.  
MIN HUMIDITY........14-20 PERCENT.  
24 HR TREND......4 PERCENT DRIER.  
20-FOOT WINDS.......SOUTHWEST 5 TO 10 MPH AND GUSTY.  
LAL.................1 UNTIL 1200, THEN 3.  
CHC OF WETTING RAIN.5 PERCENT.  
TRANSPORT WINDS.....WEST AROUND 10 MPH INCREASING TO SOUTHWEST  
AROUND 20 MPH IN THE AFTERNOON.  
MIXING HEIGHT.......3000-5000 FT AGL INCREASING TO 11700-13700 FT  
AGL IN THE AFTERNOON.  
SMOKE DISPERSAL.....FAIR (40200 KNOT-FT) INCREASING TO EXCELLENT  
(217300 KNOT-FT) IN THE AFTERNOON.  
HAINES INDEX........5 OR MODERATE POTENTIAL FOR LARGE PLUME  
DOMINATED FIRE GROWTH.  
   
TONIGHT
 
 
SKY/WEATHER.........PARTLY CLOUDY.  
MIN TEMPERATURE.....51-56.  
24 HR TREND......1 DEGREE WARMER.  
MAX HUMIDITY........66-72 PERCENT.  
24 HR TREND......12 PERCENT DRIER.  
HUMIDITY RECOVERY...FAIR.  
20-FOOT WINDS.......SOUTHWEST 5 TO 10 MPH.  
LAL.................1.  
CHC OF WETTING RAIN.ZERO PERCENT.  
TRANSPORT WINDS.....SOUTHWEST AROUND 15 MPH.  
MIXING HEIGHT.......600-2600 FT AGL.  
SMOKE DISPERSAL.....POOR (9900-23900 KNOT-FT).  
HAINES INDEX........5 OR MODERATE POTENTIAL FOR LARGE PLUME  
DOMINATED FIRE GROWTH.  
   
WEDNESDAY
 
 
SKY/WEATHER.........MOSTLY SUNNY.  
MAX TEMPERATURE.....82-87.  
24 HR TREND......1 DEGREE WARMER.  
MIN HUMIDITY........10-16 PERCENT.  
24 HR TREND......5 PERCENT DRIER.  
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 AROUND 15 MPH INCREASING TO AROUND 25 MPH  
IN THE AFTERNOON.  
MIXING HEIGHT.......1400-3400 FT AGL INCREASING TO 14000-14600 FT  
AGL IN THE AFTERNOON.  
SMOKE DISPERSAL.....POOR (31700 KNOT-FT) INCREASING TO EXCELLENT  
(337200 KNOT-FT) IN THE AFTERNOON.  
HAINES INDEX........6 OR HIGH POTENTIAL FOR LARGE PLUME DOMINATED  
FIRE GROWTH.  
   
FORECAST DAYS 3 THROUGH 7
 
   
THURSDAY
 
MOSTLY CLEAR. LOWS IN THE LOWER 50S. HIGHS IN THE  
UPPER 80S. SOUTHWEST WINDS AROUND 10 MPH.    
FRIDAY
 
CLEAR. LOWS IN THE LOWER 50S. HIGHS IN THE UPPER 80S.  
SOUTHWEST WINDS AROUND 10 MPH.    
SATURDAY
 
MOSTLY CLEAR. SLIGHT CHANCE OF SHOWERS AND  
THUNDERSTORMS. LOWS IN THE MID 50S. HIGHS IN THE MID 80S. WINDS  
GENERALLY LESS THAN 10 MPH.    
SUNDAY
 
PARTLY CLOUDY WITH SLIGHT CHANCE OF SHOWERS AND  
THUNDERSTORMS. LOWS IN THE LOWER 50S. HIGHS AROUND 80.    
MONDAY
 
MOSTLY CLEAR. SCATTERED SHOWERS AND THUNDERSTORMS. LOWS  
AROUND 50. HIGHS IN THE LOWER 80S.  
 

 
 
WYZ309-162230-  
SOUTH LARAMIE RANGE/MEDICINE BOW NF-  
117 AM MDT TUE JUL 16 2019  
   
TODAY
 
 
SKY/WEATHER.........MOSTLY SUNNY UNTIL 1200, THEN PARTLY CLOUDY  
UNTIL 1500, THEN MOSTLY CLOUDY. CHANCE OF  
SHOWERS AND THUNDERSTORMS AFTER 1200 UNTIL  
1500, THEN SHOWERS AND THUNDERSTORMS LIKELY  
UNTIL 1600, THEN CHANCE OF SHOWERS AND  
THUNDERSTORMS. SOME THUNDERSTORMS MAY BE SEVERE  
AFTER 1600.  
MAX TEMPERATURE.....82-88.  
24 HR TREND......3 DEGREES WARMER.  
MIN HUMIDITY........18-24 PERCENT.  
24 HR TREND......3 PERCENT DRIER.  
20-FOOT WINDS.......SOUTHWEST 5 TO 10 MPH AND GUSTY.  
LAL.................1 UNTIL 1200, THEN 4.  
CHC OF WETTING RAIN.20 PERCENT.  
TRANSPORT WINDS.....SOUTHWEST 10 TO 15 MPH.  
MIXING HEIGHT.......5000-7000 FT AGL INCREASING TO 12100-14100 FT  
AGL IN THE AFTERNOON.  
SMOKE DISPERSAL.....GOOD (69800 KNOT-FT) INCREASING TO EXCELLENT  
(152600 KNOT-FT) IN THE AFTERNOON.  
HAINES INDEX........5 OR MODERATE POTENTIAL FOR LARGE PLUME  
DOMINATED FIRE GROWTH.  
   
TONIGHT
 
 
SKY/WEATHER.........PARTLY CLOUDY. SLIGHT CHANCE OF THUNDERSTORMS  
UNTIL 2100. SLIGHT CHANCE OF THUNDERSTORMS  
AFTER 2200 UNTIL 2400. SOME THUNDERSTORMS MAY  
BE SEVERE UNTIL 2100. SOME THUNDERSTORMS MAY BE  
SEVERE AFTER 2200 UNTIL 2400.  
MIN TEMPERATURE.....56-61.  
24 HR TREND......3 DEGREES WARMER.  
MAX HUMIDITY........59-65 PERCENT.  
24 HR TREND......21 PERCENT DRIER.  
HUMIDITY RECOVERY...FAIR.  
20-FOOT WINDS.......SOUTHWEST AROUND 10 MPH.  
LAL.................2 UNTIL 2400, THEN 1.  
CHC OF WETTING RAIN.ZERO PERCENT.  
TRANSPORT WINDS.....SOUTHWEST AROUND 15 MPH.  
MIXING HEIGHT.......700-2700 FT AGL.  
SMOKE DISPERSAL.....POOR (16800-25900 KNOT-FT).  
HAINES INDEX........5 OR MODERATE POTENTIAL FOR LARGE PLUME  
DOMINATED FIRE GROWTH.  
   
WEDNESDAY
 
 
SKY/WEATHER.........MOSTLY SUNNY UNTIL 1500, THEN PARTLY CLOUDY.  
SLIGHT CHANCE OF SHOWERS AND THUNDERSTORMS  
AFTER 1200.  
MAX TEMPERATURE.....83-89.  
24 HR TREND......2 DEGREES WARMER.  
MIN HUMIDITY........13-19 PERCENT.  
24 HR TREND......7 PERCENT DRIER.  
20-FOOT WINDS.......WEST AROUND 10 MPH INCREASING TO AROUND 20 MPH  
IN THE AFTERNOON. GUSTS UP TO 35 MPH.  
LAL.................1 UNTIL 1200, THEN 3.  
CHC OF WETTING RAIN.ZERO PERCENT.  
TRANSPORT WINDS.....WEST AROUND 15 MPH INCREASING TO AROUND 25 MPH  
IN THE AFTERNOON.  
MIXING HEIGHT.......2000-4000 FT AGL INCREASING TO 13000-15000 FT  
AGL IN THE AFTERNOON.  
SMOKE DISPERSAL.....FAIR (47000 KNOT-FT) INCREASING TO EXCELLENT  
(284100 KNOT-FT) IN THE AFTERNOON.  
HAINES INDEX........6 OR HIGH POTENTIAL FOR LARGE PLUME DOMINATED  
FIRE GROWTH.  
   
FORECAST DAYS 3 THROUGH 7
 
   
THURSDAY
 
MOSTLY CLEAR. LOWS IN THE UPPER 50S. HIGHS IN THE  
UPPER 80S. WEST WINDS AROUND 15 MPH.    
FRIDAY
 
CLEAR. LOWS IN THE UPPER 50S. HIGHS IN THE UPPER 80S.  
WEST WINDS AROUND 10 MPH.    
SATURDAY
 
MOSTLY CLEAR. SLIGHT CHANCE OF SHOWERS AND  
THUNDERSTORMS. LOWS IN THE UPPER 50S. HIGHS IN THE MID 80S. WEST  
WINDS AROUND 10 MPH.    
SUNDAY
 
PARTLY CLOUDY WITH CHANCE OF SHOWERS AND SLIGHT CHANCE  
OF THUNDERSTORMS. LOWS IN THE MID 50S. HIGHS IN THE UPPER 70S.    
MONDAY
 
PARTLY CLOUDY. SCATTERED SHOWERS AND THUNDERSTORMS.  
LOWS IN THE LOWER 50S. HIGHS IN THE UPPER 70S.  
 

 
 
WYZ310-162230-  
PLATTE/GOSHEN/CENTRAL AND EASTERN LARAMIE-  
117 AM MDT TUE JUL 16 2019  
   
TODAY
 
 
SKY/WEATHER.........MOSTLY SUNNY UNTIL 1200, THEN PARTLY CLOUDY  
UNTIL 1500, THEN MOSTLY CLOUDY. CHANCE OF  
SHOWERS AND THUNDERSTORMS AFTER 1200 UNTIL  
1500, THEN SHOWERS AND THUNDERSTORMS LIKELY  
UNTIL 1600, THEN CHANCE OF SHOWERS AND  
THUNDERSTORMS. SOME THUNDERSTORMS MAY BE SEVERE  
AFTER 1200.  
MAX TEMPERATURE.....87-92.  
24 HR TREND......5 DEGREES WARMER.  
MIN HUMIDITY........23-29 PERCENT.  
24 HR TREND......UNCHANGED.  
20-FOOT WINDS.......SOUTH AROUND 5 MPH AND GUSTY.  
LAL.................1 UNTIL 1200, THEN 4.  
CHC OF WETTING RAIN.20 PERCENT.  
TRANSPORT WINDS.....WEST AROUND 5 MPH SHIFTING TO THE SOUTH IN THE  
AFTERNOON.  
MIXING HEIGHT.......1000-2400 FT AGL INCREASING TO 8800-10800 FT  
AGL IN THE AFTERNOON.  
SMOKE DISPERSAL.....POOR (8900 KNOT-FT) INCREASING TO GOOD (74600  
KNOT-FT) IN THE AFTERNOON.  
HAINES INDEX........5 OR MODERATE POTENTIAL FOR LARGE PLUME  
DOMINATED FIRE GROWTH.  
   
TONIGHT
 
 
SKY/WEATHER.........PARTLY CLOUDY. SLIGHT CHANCE OF SHOWERS UNTIL  
2100. SLIGHT CHANCE OF THUNDERSTORMS UNTIL  
2400. SLIGHT CHANCE OF SHOWERS AFTER 2200 UNTIL  
2400. SOME THUNDERSTORMS MAY BE SEVERE UNTIL  
2400.  
MIN TEMPERATURE.....56-61.  
24 HR TREND......UNCHANGED.  
MAX HUMIDITY........76-82 PERCENT.  
24 HR TREND......18 PERCENT DRIER.  
HUMIDITY RECOVERY...GOOD.  
20-FOOT WINDS.......SOUTH AROUND 5 MPH.  
LAL.................3 UNTIL 2400, THEN 1.  
CHC OF WETTING RAIN.5 PERCENT.  
TRANSPORT WINDS.....SOUTH AROUND 15 MPH.  
MIXING HEIGHT.......300-1400 FT AGL.  
SMOKE DISPERSAL.....POOR (6200-16500 KNOT-FT).  
HAINES INDEX........5 OR MODERATE POTENTIAL FOR LARGE PLUME  
DOMINATED FIRE GROWTH.  
   
WEDNESDAY
 
 
SKY/WEATHER.........MOSTLY SUNNY UNTIL 1500, THEN PARTLY CLOUDY.  
SLIGHT CHANCE OF SHOWERS AND THUNDERSTORMS  
AFTER 1200.  
MAX TEMPERATURE.....88-93.  
24 HR TREND......3 DEGREES COOLER.  
MIN HUMIDITY........21-27 PERCENT.  
24 HR TREND......4 PERCENT DRIER.  
20-FOOT WINDS.......WEST 5 TO 10 MPH WITH HIGHER GUSTS.  
LAL.................1 UNTIL 1200, THEN 3.  
CHC OF WETTING RAIN.5 PERCENT.  
TRANSPORT WINDS.....WEST AROUND 15 MPH.  
MIXING HEIGHT.......1800-2700 FT AGL INCREASING TO 7300-9300 FT AGL  
IN THE AFTERNOON.  
SMOKE DISPERSAL.....POOR (31000 KNOT-FT) INCREASING TO GOOD (90300  
KNOT-FT) IN THE AFTERNOON.  
HAINES INDEX........5 OR MODERATE POTENTIAL FOR LARGE PLUME  
DOMINATED FIRE GROWTH.  
   
FORECAST DAYS 3 THROUGH 7
 
   
THURSDAY
 
MOSTLY CLEAR. SLIGHT CHANCE OF SHOWERS AND  
THUNDERSTORMS. LOWS IN THE UPPER 50S. HIGHS IN THE MID 90S. WEST  
WINDS AROUND 10 MPH.    
FRIDAY
 
MOSTLY CLEAR. LOWS AROUND 60. HIGHS IN THE MID 90S.  
WEST WINDS AROUND 5 MPH.    
SATURDAY
 
MOSTLY CLEAR. SLIGHT CHANCE OF SHOWERS AND  
THUNDERSTORMS. LOWS IN THE LOWER 60S. HIGHS IN THE UPPER 80S.  
WINDS GENERALLY LESS THAN 10 MPH.    
SUNDAY
 
PARTLY CLOUDY WITH SLIGHT CHANCE OF SHOWERS AND  
THUNDERSTORMS. LOWS IN THE UPPER 50S. HIGHS IN THE LOWER 80S.    
MONDAY
 
PARTLY CLOUDY. ISOLATED SHOWERS AND THUNDERSTORMS. LOWS  
IN THE MID 50S. HIGHS IN THE LOWER 80S.  
 

 
 
NEZ311-162230-  
PINE RIDGE/NEBRASKA NATIONAL FOREST/OGLALA NATIONAL GRASSLANDS-  
117 AM MDT TUE JUL 16 2019  
   
TODAY
 
 
SKY/WEATHER.........MOSTLY SUNNY UNTIL 1200, THEN PARTLY CLOUDY.  
CHANCE OF SHOWERS AND THUNDERSTORMS AFTER 1200.  
SOME THUNDERSTORMS MAY BE SEVERE AFTER 1200.  
MAX TEMPERATURE.....87-92.  
24 HR TREND......1 DEGREE COOLER.  
MIN HUMIDITY........32-38 PERCENT.  
24 HR TREND......2 PERCENT WETTER.  
20-FOOT WINDS.......SOUTHEAST AROUND 5 MPH AND GUSTY.  
LAL.................1 UNTIL 1200, THEN 4.  
CHC OF WETTING RAIN.15 PERCENT.  
TRANSPORT WINDS.....SOUTH AROUND 10 MPH.  
MIXING HEIGHT.......1800-2400 FT AGL INCREASING TO 4400-6400 FT AGL  
IN THE AFTERNOON.  
SMOKE DISPERSAL.....POOR (16100-39900 KNOT-FT).  
HAINES INDEX........5 OR MODERATE POTENTIAL FOR LARGE PLUME  
DOMINATED FIRE GROWTH.  
   
TONIGHT
 
 
SKY/WEATHER.........PARTLY CLOUDY. CHANCE OF SHOWERS AND  
THUNDERSTORMS UNTIL 2100, THEN SLIGHT CHANCE OF  
SHOWERS AND THUNDERSTORMS UNTIL 2200, THEN  
CHANCE OF SHOWERS AND THUNDERSTORMS UNTIL 2400.  
SOME THUNDERSTORMS MAY BE SEVERE UNTIL 2400.  
MIN TEMPERATURE.....59-64.  
24 HR TREND......1 DEGREE WARMER.  
MAX HUMIDITY........84-90 PERCENT.  
24 HR TREND......UNCHANGED.  
HUMIDITY RECOVERY...EXCELLENT.  
20-FOOT WINDS.......SOUTHEAST AROUND 5 MPH.  
LAL.................4 UNTIL 2100, THEN 3 UNTIL 2400, THEN 1.  
CHC OF WETTING RAIN.15 PERCENT.  
TRANSPORT WINDS.....SOUTH AROUND 15 MPH.  
MIXING HEIGHT.......300-1700 FT AGL.  
SMOKE DISPERSAL.....POOR (6100-13600 KNOT-FT).  
HAINES INDEX........5 OR MODERATE POTENTIAL FOR LARGE PLUME  
DOMINATED FIRE GROWTH.  
   
WEDNESDAY
 
 
SKY/WEATHER.........PARTLY CLOUDY UNTIL 1200, THEN MOSTLY SUNNY  
UNTIL 1500, THEN PARTLY CLOUDY. SLIGHT CHANCE  
OF SHOWERS AND THUNDERSTORMS AFTER 1200. SOME  
THUNDERSTORMS MAY BE SEVERE AFTER 1200.  
MAX TEMPERATURE.....87-92.  
24 HR TREND......1 DEGREE COOLER.  
MIN HUMIDITY........32-38 PERCENT.  
24 HR TREND......1 PERCENT DRIER.  
20-FOOT WINDS.......NORTHWEST AROUND 5 MPH AND GUSTY.  
LAL.................1 UNTIL 1200, THEN 2.  
CHC OF WETTING RAIN.ZERO PERCENT.  
TRANSPORT WINDS.....NORTH AROUND 15 MPH DECREASING TO AROUND 5 MPH  
IN THE AFTERNOON.  
MIXING HEIGHT.......2400-4100 FT AGL.  
SMOKE DISPERSAL.....POOR (20600-25500 KNOT-FT).  
HAINES INDEX........4 OR LOW POTENTIAL FOR LARGE PLUME DOMINATED  
FIRE GROWTH.  
   
FORECAST DAYS 3 THROUGH 7
 
   
THURSDAY
 
MOSTLY CLEAR. SLIGHT CHANCE OF SHOWERS AND  
THUNDERSTORMS. LOWS IN THE LOWER 60S. HIGHS IN THE UPPER 90S.  
SOUTHWEST WINDS AROUND 5 MPH.    
FRIDAY
 
MOSTLY CLEAR. LOWS IN THE LOWER 60S. HIGHS IN THE MID  
90S. NORTHWEST WINDS AROUND 5 MPH.    
SATURDAY
 
MOSTLY CLEAR. LOWS IN THE LOWER 60S. HIGHS IN THE  
UPPER 80S. WINDS GENERALLY LESS THAN 10 MPH.    
SUNDAY
 
PARTLY CLOUDY WITH SLIGHT CHANCE OF SHOWERS AND  
THUNDERSTORMS. LOWS IN THE UPPER 50S. HIGHS IN THE LOWER 80S.    
MONDAY
 
PARTLY CLOUDY. ISOLATED SHOWERS AND THUNDERSTORMS. LOWS  
IN THE UPPER 50S. HIGHS IN THE MID 80S.  
 

 
 
NEZ312-162230-  
BOX BUTTE/SOUTH SIOUX-  
117 AM MDT TUE JUL 16 2019  
   
TODAY
 
 
SKY/WEATHER.........MOSTLY SUNNY UNTIL 1200, THEN PARTLY CLOUDY.  
SLIGHT CHANCE OF SHOWERS AND THUNDERSTORMS  
AFTER 1200 UNTIL 1300, THEN CHANCE OF SHOWERS  
AND THUNDERSTORMS. SOME THUNDERSTORMS MAY BE  
SEVERE AFTER 1200.  
MAX TEMPERATURE.....88-93.  
24 HR TREND......1 DEGREE COOLER.  
MIN HUMIDITY........29-35 PERCENT.  
24 HR TREND......3 PERCENT WETTER.  
20-FOOT WINDS.......SOUTHEAST 5 TO 10 MPH.  
LAL.................1 UNTIL 1200, THEN 3 UNTIL 1500, THEN 4.  
CHC OF WETTING RAIN.10 PERCENT.  
TRANSPORT WINDS.....SOUTHEAST AROUND 10 MPH.  
MIXING HEIGHT.......1900-2400 FT AGL INCREASING TO 4400-6300 FT AGL  
IN THE AFTERNOON.  
SMOKE DISPERSAL.....POOR (20700-38900 KNOT-FT).  
HAINES INDEX........5 OR MODERATE POTENTIAL FOR LARGE PLUME  
DOMINATED FIRE GROWTH.  
   
TONIGHT
 
 
SKY/WEATHER.........PARTLY CLOUDY. CHANCE OF SHOWERS AND  
THUNDERSTORMS UNTIL 1900, THEN SLIGHT CHANCE OF  
SHOWERS AND THUNDERSTORMS UNTIL 2400. SOME  
THUNDERSTORMS MAY BE SEVERE UNTIL 2400.  
MIN TEMPERATURE.....58-63.  
24 HR TREND......UNCHANGED.  
MAX HUMIDITY........82-88 PERCENT.  
24 HR TREND......13 PERCENT DRIER.  
HUMIDITY RECOVERY...EXCELLENT.  
20-FOOT WINDS.......SOUTHEAST 5 TO 10 MPH.  
LAL.................3 UNTIL 2400, THEN 1.  
CHC OF WETTING RAIN.10 PERCENT.  
TRANSPORT WINDS.....SOUTH 15 TO 20 MPH.  
MIXING HEIGHT.......300-1300 FT AGL.  
SMOKE DISPERSAL.....POOR (7800-13100 KNOT-FT).  
HAINES INDEX........4 OR LOW POTENTIAL FOR LARGE PLUME DOMINATED  
FIRE GROWTH.  
   
WEDNESDAY
 
 
SKY/WEATHER.........MOSTLY SUNNY UNTIL 1500, THEN PARTLY CLOUDY.  
SLIGHT CHANCE OF SHOWERS AND THUNDERSTORMS  
AFTER 1200.  
MAX TEMPERATURE.....89-94.  
24 HR TREND......1 DEGREE WARMER.  
MIN HUMIDITY........26-32 PERCENT.  
24 HR TREND......4 PERCENT DRIER.  
20-FOOT WINDS.......NORTHWEST AROUND 5 MPH AND GUSTY.  
LAL.................1 UNTIL 1200, THEN 2.  
CHC OF WETTING RAIN.ZERO PERCENT.  
TRANSPORT WINDS.....NORTH 10 TO 15 MPH.  
MIXING HEIGHT.......2000-4000 FT AGL.  
SMOKE DISPERSAL.....POOR (23400-26500 KNOT-FT).  
HAINES INDEX........6 OR HIGH POTENTIAL FOR LARGE PLUME DOMINATED  
FIRE GROWTH.  
   
FORECAST DAYS 3 THROUGH 7
 
   
THURSDAY
 
MOSTLY CLEAR. LOWS AROUND 60. HIGHS IN THE UPPER 90S.  
SOUTHWEST WINDS AROUND 5 MPH.    
FRIDAY
 
MOSTLY CLEAR. LOWS IN THE LOWER 60S. HIGHS IN THE MID  
90S. WEST WINDS AROUND 5 MPH.    
SATURDAY
 
PARTLY CLOUDY. LOWS IN THE LOWER 60S. HIGHS IN THE  
UPPER 80S. WINDS GENERALLY LESS THAN 10 MPH.    
SUNDAY
 
PARTLY CLOUDY WITH SLIGHT CHANCE OF SHOWERS AND  
THUNDERSTORMS. LOWS IN THE UPPER 50S. HIGHS IN THE LOWER 80S.    
MONDAY
 
MOSTLY CLEAR. ISOLATED SHOWERS AND THUNDERSTORMS. LOWS  
IN THE MID 50S. HIGHS IN THE MID 80S.  
 

 
 
NEZ313-162230-  
SCOTTS BLUFF NATIONAL MONUMENT/WILDCAT HILLS-  
117 AM MDT TUE JUL 16 2019  
   
TODAY
 
 
SKY/WEATHER.........MOSTLY SUNNY UNTIL 1500, THEN PARTLY CLOUDY.  
SLIGHT CHANCE OF SHOWERS AND THUNDERSTORMS  
AFTER 1200 UNTIL 1300, THEN CHANCE OF SHOWERS  
AND THUNDERSTORMS. SOME THUNDERSTORMS MAY BE  
SEVERE AFTER 1200.  
MAX TEMPERATURE.....89-94.  
24 HR TREND......1 DEGREE COOLER.  
MIN HUMIDITY........30-36 PERCENT.  
24 HR TREND......3 PERCENT WETTER.  
20-FOOT WINDS.......SOUTH 5 TO 10 MPH AND GUSTY.  
LAL.................1 UNTIL 1200, THEN 3.  
CHC OF WETTING RAIN.5 PERCENT.  
TRANSPORT WINDS.....SOUTH AROUND 10 MPH.  
MIXING HEIGHT.......1500-2100 FT AGL INCREASING TO 7900-9900 FT AGL  
IN THE AFTERNOON.  
SMOKE DISPERSAL.....POOR TO FAIR (13600-56300 KNOT-FT).  
HAINES INDEX........5 OR MODERATE POTENTIAL FOR LARGE PLUME  
DOMINATED FIRE GROWTH.  
   
TONIGHT
 
 
SKY/WEATHER.........PARTLY CLOUDY. CHANCE OF SHOWERS AND  
THUNDERSTORMS UNTIL 1900, THEN SLIGHT CHANCE OF  
SHOWERS AND THUNDERSTORMS UNTIL 2400. SOME  
THUNDERSTORMS MAY BE SEVERE UNTIL 2400.  
MIN TEMPERATURE.....58-63.  
24 HR TREND......4 DEGREES WARMER.  
MAX HUMIDITY........78-84 PERCENT.  
24 HR TREND......9 PERCENT DRIER.  
HUMIDITY RECOVERY...GOOD.  
20-FOOT WINDS.......SOUTH AROUND 5 MPH.  
LAL.................3 UNTIL 2100, THEN 2 UNTIL 2400, THEN 1.  
CHC OF WETTING RAIN.5 PERCENT.  
TRANSPORT WINDS.....SOUTH 15 TO 20 MPH.  
MIXING HEIGHT.......900-2900 FT AGL DECREASING TO 300-800 FT AGL  
AFTER MIDNIGHT.  
SMOKE DISPERSAL.....POOR (8500-22400 KNOT-FT).  
HAINES INDEX........4 OR LOW POTENTIAL FOR LARGE PLUME DOMINATED  
FIRE GROWTH.  
   
WEDNESDAY
 
 
SKY/WEATHER.........MOSTLY SUNNY UNTIL 1500, THEN PARTLY CLOUDY.  
MAX TEMPERATURE.....91-96.  
24 HR TREND......1 DEGREE WARMER.  
MIN HUMIDITY........23-29 PERCENT.  
24 HR TREND......5 PERCENT DRIER.  
20-FOOT WINDS.......WEST AROUND 5 MPH AND GUSTY.  
LAL.................1 UNTIL 1200, THEN 3.  
CHC OF WETTING RAIN.ZERO PERCENT.  
TRANSPORT WINDS.....WEST AROUND 20 MPH BECOMING NORTH AROUND 10 MPH  
IN THE AFTERNOON.  
MIXING HEIGHT.......1300-2000 FT AGL INCREASING TO 3500-5500 FT AGL  
IN THE AFTERNOON.  
SMOKE DISPERSAL.....POOR (21100-38700 KNOT-FT).  
HAINES INDEX........5 OR MODERATE POTENTIAL FOR LARGE PLUME  
DOMINATED FIRE GROWTH.  
   
FORECAST DAYS 3 THROUGH 7
 
   
THURSDAY
 
MOSTLY CLEAR. LOWS AROUND 60. HIGHS IN THE UPPER 90S.  
WEST WINDS AROUND 5 MPH.    
FRIDAY
 
MOSTLY CLEAR. LOWS IN THE LOWER 60S. HIGHS IN THE UPPER  
90S. WEST WINDS AROUND 5 MPH.    
SATURDAY
 
MOSTLY CLEAR. LOWS IN THE LOWER 60S. HIGHS AROUND 90.  
WINDS GENERALLY LESS THAN 10 MPH.    
SUNDAY
 
PARTLY CLOUDY WITH SLIGHT CHANCE OF SHOWERS AND  
THUNDERSTORMS. LOWS IN THE UPPER 50S. HIGHS IN THE LOWER 80S.    
MONDAY
 
PARTLY CLOUDY. ISOLATED SHOWERS AND THUNDERSTORMS. LOWS  
IN THE MID 50S. HIGHS IN THE MID 80S.  
 

 
 
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