919  
FNUS55 KCYS 280849  
FWFCYS  
 
FIRE WEATHER PLANNING FORECAST FOR SOUTHEAST WYOMING/WESTERN NEBRASKA  
NATIONAL WEATHER SERVICE CHEYENNE WY  
249 AM MDT WED JUN 28 2017  
 
RED FLAG WARNING IN EFFECT FROM NOON TODAY TO 6 PM MDT THIS  
EVENING FOR THE UPPER NORTH PLATTE RIVER VALLEY  
   
DISCUSSION
 
A DEEPLY MIXED BOUNDARY LAYER IS EXPECTED ONCE AGAIN THIS AFTERNOON. MODEL  
SOUNDING INDICATE MIXING HEIGHTS AS HIGH AS 13,000 FT. WITH MODERATE LOWER TO MID LEVEL  
WINDS STILL PRESENT, EXPECT WINDS TO BE 20 TO 25 MPH WITH GUSTS TO 40 MPH AT TIMES  
ESPECIALLY OVER CARBON COUNTY. RH VALUES WILL FALL AS LOW AS 10 TO 15 PERCENT WEST OF  
THE LARAMIE RANGE SO HAVE ISSUED A RED FLAG WARNING WHERE FUELS ARE READY. ELEVATED  
CONDITIONS ARE ALSO POSSIBLE OVER THE SOUTH LARAMIE RANGE AS WELL AS THE RAWLINS AREA  
THIS AFTERNOON. FUELS ARE STILL IN THE GREEN CATEGORY NEAR RAWLINS BUT WILL NEED TO  
WATCH WIND AND RH OVER THE SOUTH LARAMIE RANGE FOR THE POTENTIAL FOR CRITICAL CONDITIONS  
HERE AS WELL THIS AFTERNOON. A COLD FRONT WILL MOVE ACROSS THE AREA ON THURSDAY BRINGING  
COOLER TEMPERATURES AND REDUCING THE FIRE WEATHER CONCERNS SOMEWHAT.  
 
WYZ301-282245-  
NIOBRARA/LOWER ELEVATIONS OF CONVERSE/THUNDER BASIN NATIONAL  
GRASSLAND-  
249 AM MDT WED JUN 28 2017  
   
TODAY
 
 
SKY/WEATHER.........MOSTLY SUNNY UNTIL 1200, THEN PARTLY CLOUDY.  
SLIGHT CHANCE OF SHOWERS AND THUNDERSTORMS  
AFTER 1200 UNTIL 1500, THEN CHANCE OF SHOWERS  
AND THUNDERSTORMS. SOME THUNDERSTORMS MAY  
PRODUCE GUSTY WINDS AFTER 1200.  
MAX TEMPERATURE.....81-86.  
24 HR TREND......7 DEGREES COOLER.  
MIN HUMIDITY........17-23 PERCENT.  
24 HR TREND......10 PERCENT WETTER.  
20-FOOT WINDS.......WEST 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.....WEST 10 TO 15 MPH.  
MIXING HEIGHT.......3900-4900 FT AGL INCREASING TO 13400-15400 FT  
AGL IN THE AFTERNOON.  
SMOKE DISPERSAL.....POOR (26900 KNOT-FT) INCREASING TO EXCELLENT  
(218600 KNOT-FT) IN THE AFTERNOON.  
HAINES INDEX........4 OR LOW POTENTIAL FOR LARGE PLUME DOMINATED  
FIRE GROWTH.  
   
TONIGHT
 
 
SKY/WEATHER.........MOSTLY CLOUDY. CHANCE OF THUNDERSTORMS UNTIL  
2100. CHANCE OF SHOWERS. CHANCE OF  
THUNDERSTORMS AFTER 2100. SOME THUNDERSTORMS  
MAY PRODUCE GUSTY WINDS UNTIL 2100.  
MIN TEMPERATURE.....50-55.  
24 HR TREND......1 DEGREE COOLER.  
MAX HUMIDITY........81-87 PERCENT.  
24 HR TREND......3 PERCENT WETTER.  
HUMIDITY RECOVERY...GOOD.  
20-FOOT WINDS.......NORTH 5 TO 10 MPH. GUSTS UP TO 25 MPH  
DECREASING TO 15 MPH AFTER MIDNIGHT.  
LAL.................3.  
CHC OF WETTING RAIN.15 PERCENT.  
TRANSPORT WINDS.....WEST AROUND 15 MPH SHIFTING TO THE NORTHWEST  
AFTER MIDNIGHT.  
MIXING HEIGHT.......1400-3400 FT AGL.  
SMOKE DISPERSAL.....POOR (26500-26700 KNOT-FT).  
HAINES INDEX........4 OR LOW POTENTIAL FOR LARGE PLUME DOMINATED  
FIRE GROWTH.  
   
THURSDAY
 
 
SKY/WEATHER.........PARTLY CLOUDY UNTIL 1200, THEN MOSTLY CLOUDY.  
SLIGHT CHANCE OF SHOWERS UNTIL 1200, THEN  
CHANCE OF SHOWERS AND THUNDERSTORMS.  
MAX TEMPERATURE.....69-74.  
24 HR TREND......12 DEGREES COOLER.  
MIN HUMIDITY........29-35 PERCENT.  
24 HR TREND......9 PERCENT WETTER.  
20-FOOT WINDS.......NORTHWEST 10 TO 15 MPH WITH HIGHER GUSTS.  
LAL.................2 UNTIL 1200, THEN 3.  
CHC OF WETTING RAIN.10 PERCENT.  
TRANSPORT WINDS.....NORTHWEST AROUND 20 MPH.  
MIXING HEIGHT.......4000-5200 FT AGL INCREASING TO 11200-12700 FT  
AGL IN THE AFTERNOON.  
SMOKE DISPERSAL.....GOOD (72200 KNOT-FT) INCREASING TO EXCELLENT  
(184000 KNOT-FT) IN THE AFTERNOON.  
HAINES INDEX........3 OR VERY LOW POTENTIAL FOR LARGE PLUME  
DOMINATED FIRE GROWTH.  
   
FORECAST DAYS 3 THROUGH 7
 
   
FRIDAY
 
PARTLY CLOUDY. LOWS IN THE UPPER 40S. HIGHS IN THE  
LOWER 70S. NORTHWEST WINDS AROUND 10 MPH.    
SATURDAY
 
PARTLY CLOUDY. LOWS AROUND 50. HIGHS IN THE UPPER  
70S. WINDS GENERALLY LESS THAN 10 MPH.    
SUNDAY
 
PARTLY CLOUDY WITH SLIGHT CHANCE OF SHOWERS AND  
THUNDERSTORMS. LOWS IN THE MID 50S. HIGHS IN THE LOWER 80S. WINDS  
GENERALLY LESS THAN 10 MPH.    
MONDAY
 
MOSTLY CLEAR. LOWS IN THE MID 50S. HIGHS IN THE MID  
80S.    
INDEPENDENCE DAY
 
MOSTLY CLEAR. LOWS IN THE UPPER 50S. HIGHS IN  
THE UPPER 80S.  
 

 
 
WYZ302-282245-  
NORTH LARAMIE RANGE/MEDICINE BOW NF-  
249 AM MDT WED JUN 28 2017  
   
TODAY
 
 
SKY/WEATHER.........MOSTLY SUNNY UNTIL 1200, THEN PARTLY CLOUDY.  
SLIGHT CHANCE OF SHOWERS AND THUNDERSTORMS  
AFTER 1200 UNTIL 1500, THEN CHANCE OF SHOWERS  
AND THUNDERSTORMS. SOME THUNDERSTORMS MAY  
PRODUCE GUSTY WINDS AFTER 1200.  
MAX TEMPERATURE.....73-81.  
24 HR TREND......3 DEGREES COOLER.  
MIN HUMIDITY........17-23 PERCENT.  
24 HR TREND......7 PERCENT WETTER.  
20-FOOT WINDS.......WEST 10 TO 15 MPH WITH GUSTS TO AROUND 35 MPH.  
LAL.................1 UNTIL 1200, THEN 3.  
CHC OF WETTING RAIN.5 PERCENT.  
TRANSPORT WINDS.....WEST AROUND 10 MPH INCREASING TO AROUND 25 MPH  
IN THE AFTERNOON.  
MIXING HEIGHT.......3200-4200 FT AGL INCREASING TO 13500-15400 FT  
AGL IN THE AFTERNOON.  
SMOKE DISPERSAL.....POOR (36800 KNOT-FT) INCREASING TO EXCELLENT  
(319100 KNOT-FT) IN THE AFTERNOON.  
HAINES INDEX........4 OR LOW POTENTIAL FOR LARGE PLUME DOMINATED  
FIRE GROWTH.  
   
TONIGHT
 
 
SKY/WEATHER.........MOSTLY CLOUDY UNTIL 0300, THEN PARTLY CLOUDY.  
CHANCE OF SHOWERS AND THUNDERSTORMS UNTIL 2400,  
THEN SLIGHT CHANCE OF SHOWERS AND  
THUNDERSTORMS. SOME THUNDERSTORMS MAY PRODUCE  
GUSTY WINDS UNTIL 2100.  
MIN TEMPERATURE.....46-51.  
24 HR TREND......UNCHANGED.  
MAX HUMIDITY........69-75 PERCENT.  
24 HR TREND......8 PERCENT DRIER.  
HUMIDITY RECOVERY...GOOD.  
20-FOOT WINDS.......WEST 5 TO 10 MPH. GUSTS UP TO 30 MPH DECREASING  
TO 15 MPH AFTER MIDNIGHT.  
LAL.................3 UNTIL 2400, THEN 1.  
CHC OF WETTING RAIN.10 PERCENT.  
TRANSPORT WINDS.....WEST AROUND 15 MPH.  
MIXING HEIGHT.......700-1800 FT AGL.  
SMOKE DISPERSAL.....POOR (15700-16200 KNOT-FT).  
HAINES INDEX........4 OR LOW POTENTIAL FOR LARGE PLUME DOMINATED  
FIRE GROWTH.  
   
THURSDAY
 
 
SKY/WEATHER.........PARTLY CLOUDY. CHANCE OF SHOWERS. CHANCE OF  
THUNDERSTORMS AFTER 1200.  
MAX TEMPERATURE.....62-68.  
24 HR TREND......11 DEGREES COOLER.  
MIN HUMIDITY........31-37 PERCENT.  
24 HR TREND......17 PERCENT WETTER.  
20-FOOT WINDS.......NORTHWEST 10 TO 15 MPH WITH HIGHER GUSTS.  
LAL.................3.  
CHC OF WETTING RAIN.10 PERCENT.  
TRANSPORT WINDS.....NORTHWEST 15 TO 20 MPH.  
MIXING HEIGHT.......3400-5000 FT AGL INCREASING TO 10200-11500 FT  
AGL IN THE AFTERNOON.  
SMOKE DISPERSAL.....GOOD (64200 KNOT-FT) INCREASING TO VERY GOOD  
(142900 KNOT-FT) IN THE AFTERNOON.  
HAINES INDEX........3 OR VERY LOW POTENTIAL FOR LARGE PLUME  
DOMINATED FIRE GROWTH.  
   
FORECAST DAYS 3 THROUGH 7
 
   
FRIDAY
 
PARTLY CLOUDY WITH SLIGHT CHANCE OF SHOWERS AND  
THUNDERSTORMS. LOWS IN THE LOWER 40S. HIGHS IN THE UPPER 60S.  
NORTHWEST WINDS AROUND 5 MPH.    
SATURDAY
 
MOSTLY CLEAR. LOWS IN THE MID 40S. HIGHS IN THE LOWER  
70S. WINDS GENERALLY LESS THAN 10 MPH.    
SUNDAY
 
PARTLY CLOUDY WITH SLIGHT CHANCE OF SHOWERS AND  
THUNDERSTORMS. LOWS IN THE LOWER 50S. HIGHS IN THE MID 70S. WINDS  
GENERALLY LESS THAN 10 MPH.    
MONDAY
 
MOSTLY CLEAR. LOWS IN THE LOWER 50S. HIGHS IN THE UPPER  
70S.    
INDEPENDENCE DAY
 
MOSTLY CLEAR. LOWS IN THE MID 50S. HIGHS IN  
THE LOWER 80S.  
 

 
 
WYZ303-282245-  
CENTRAL AND NORTHERN CARBON/FERRIS-SEMINOE-SHIRLEY MOUNTAINS-  
249 AM MDT WED JUN 28 2017  
   
TODAY
 
 
SKY/WEATHER.........SUNNY UNTIL 1200, THEN PARTLY CLOUDY. SLIGHT  
CHANCE OF SHOWERS AND THUNDERSTORMS AFTER 1200.  
SOME THUNDERSTORMS MAY PRODUCE GUSTY WINDS  
AFTER 1200.  
MAX TEMPERATURE.....77-82.  
24 HR TREND......2 DEGREES COOLER.  
MIN HUMIDITY........11-17 PERCENT.  
24 HR TREND......1 PERCENT WETTER.  
20-FOOT WINDS.......WEST 15 TO 20 MPH WITH GUSTS TO AROUND 35 MPH.  
LAL.................1 UNTIL 1200, THEN 2.  
CHC OF WETTING RAIN.ZERO PERCENT.  
TRANSPORT WINDS.....WEST 20 TO 25 MPH.  
MIXING HEIGHT.......5000-7000 FT AGL INCREASING TO 15000-16800 FT  
AGL IN THE AFTERNOON.  
SMOKE DISPERSAL.....GOOD (96000 KNOT-FT) INCREASING TO EXCELLENT  
(358100 KNOT-FT) IN THE AFTERNOON.  
HAINES INDEX........5 OR MODERATE POTENTIAL FOR LARGE PLUME  
DOMINATED FIRE GROWTH.  
   
TONIGHT
 
 
SKY/WEATHER.........MOSTLY CLOUDY UNTIL 2400, THEN PARTLY CLOUDY.  
SLIGHT CHANCE OF THUNDERSTORMS UNTIL 2100.  
SLIGHT CHANCE OF SHOWERS. SLIGHT CHANCE OF  
THUNDERSTORMS AFTER 2100. SOME THUNDERSTORMS  
MAY PRODUCE GUSTY WINDS UNTIL 2100.  
MIN TEMPERATURE.....45-50.  
24 HR TREND......UNCHANGED.  
MAX HUMIDITY........63-69 PERCENT.  
24 HR TREND......UNCHANGED.  
HUMIDITY RECOVERY...FAIR.  
20-FOOT WINDS.......WEST AROUND 15 MPH AND GUSTY BECOMING NORTHWEST  
AROUND 5 MPH AFTER MIDNIGHT.  
LAL.................3 UNTIL 2400, THEN 1.  
CHC OF WETTING RAIN.5 PERCENT.  
TRANSPORT WINDS.....WEST AROUND 20 MPH BECOMING NORTHWEST AROUND 10  
MPH AFTER MIDNIGHT.  
MIXING HEIGHT.......800-2800 FT AGL.  
SMOKE DISPERSAL.....POOR (10000-25400 KNOT-FT).  
HAINES INDEX........4 OR LOW POTENTIAL FOR LARGE PLUME DOMINATED  
FIRE GROWTH.  
   
THURSDAY
 
 
SKY/WEATHER.........PARTLY CLOUDY. SLIGHT CHANCE OF SHOWERS. SLIGHT  
CHANCE OF THUNDERSTORMS AFTER 1200.  
MAX TEMPERATURE.....67-72.  
24 HR TREND......10 DEGREES COOLER.  
MIN HUMIDITY........20-26 PERCENT.  
24 HR TREND......8 PERCENT WETTER.  
20-FOOT WINDS.......NORTHWEST AROUND 10 MPH WITH HIGHER GUSTS.  
LAL.................2 UNTIL 1200, THEN 3.  
CHC OF WETTING RAIN.ZERO PERCENT.  
TRANSPORT WINDS.....NORTHWEST 10 TO 15 MPH.  
MIXING HEIGHT.......3900-5200 FT AGL INCREASING TO 10500-11800 FT  
AGL IN THE AFTERNOON.  
SMOKE DISPERSAL.....FAIR (43400 KNOT-FT) INCREASING TO VERY GOOD  
(123500 KNOT-FT) IN THE AFTERNOON.  
HAINES INDEX........3 OR VERY LOW POTENTIAL FOR LARGE PLUME  
DOMINATED FIRE GROWTH.  
   
FORECAST DAYS 3 THROUGH 7
 
   
FRIDAY
 
PARTLY CLOUDY. LOWS IN THE LOWER 40S. HIGHS IN THE  
LOWER 70S. NORTH WINDS AROUND 5 MPH.    
SATURDAY
 
MOSTLY CLEAR. LOWS IN THE MID 40S. HIGHS IN THE UPPER  
70S. WINDS GENERALLY LESS THAN 10 MPH.    
SUNDAY
 
PARTLY CLOUDY. LOWS IN THE LOWER 50S. HIGHS AROUND 80.  
WINDS GENERALLY LESS THAN 10 MPH.    
MONDAY
 
MOSTLY CLEAR. LOWS IN THE LOWER 50S. HIGHS IN THE LOWER  
80S.    
INDEPENDENCE DAY
 
MOSTLY CLEAR. LOWS IN THE LOWER 50S. HIGHS IN  
THE LOWER 80S.  
 

 
 
WYZ304-282245-  
SOUTHWEST CARBON COUNTY-  
249 AM MDT WED JUN 28 2017  
   
TODAY
 
 
SKY/WEATHER.........MOSTLY SUNNY UNTIL 1200, THEN PARTLY CLOUDY.  
SLIGHT CHANCE OF SHOWERS AND THUNDERSTORMS  
AFTER 1500. SOME THUNDERSTORMS MAY PRODUCE  
GUSTY WINDS AFTER 1500.  
MAX TEMPERATURE.....79-84.  
24 HR TREND......4 DEGREES COOLER.  
MIN HUMIDITY........10-16 PERCENT.  
24 HR TREND......UNCHANGED.  
20-FOOT WINDS.......SOUTHWEST 10 TO 15 MPH. GUSTS UP TO 25 MPH  
INCREASING TO 35 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.......4200-6100 FT AGL INCREASING TO 13300-15300 FT  
AGL IN THE AFTERNOON.  
SMOKE DISPERSAL.....FAIR (55100 KNOT-FT) INCREASING TO EXCELLENT  
(258300 KNOT-FT) IN THE AFTERNOON.  
HAINES INDEX........4 OR LOW POTENTIAL FOR LARGE PLUME DOMINATED  
FIRE GROWTH.  
   
TONIGHT
 
 
SKY/WEATHER.........MOSTLY CLOUDY UNTIL 2400, THEN PARTLY CLOUDY.  
SLIGHT CHANCE OF THUNDERSTORMS UNTIL 2100.  
SLIGHT CHANCE OF SHOWERS UNTIL 2400. SLIGHT  
CHANCE OF THUNDERSTORMS AFTER 2100 UNTIL 2400.  
SOME THUNDERSTORMS MAY PRODUCE GUSTY WINDS  
UNTIL 2100.  
MIN TEMPERATURE.....45-50.  
24 HR TREND......UNCHANGED.  
MAX HUMIDITY........60-66 PERCENT.  
24 HR TREND......UNCHANGED.  
HUMIDITY RECOVERY...FAIR.  
20-FOOT WINDS.......NORTHWEST 5 TO 10 MPH. GUSTS UP TO 30 MPH  
DECREASING TO 15 MPH AFTER MIDNIGHT.  
LAL.................2 UNTIL 2400, THEN 1.  
CHC OF WETTING RAIN.ZERO PERCENT.  
TRANSPORT WINDS.....WEST AROUND 15 MPH SHIFTING TO THE NORTH AFTER  
MIDNIGHT.  
MIXING HEIGHT.......1200-3200 FT AGL DECREASING TO 600-1100 FT AGL  
AFTER MIDNIGHT.  
SMOKE DISPERSAL.....POOR (5500-28300 KNOT-FT).  
HAINES INDEX........4 OR LOW POTENTIAL FOR LARGE PLUME DOMINATED  
FIRE GROWTH.  
   
THURSDAY
 
 
SKY/WEATHER.........PARTLY CLOUDY.  
MAX TEMPERATURE.....72-77.  
24 HR TREND......5 DEGREES COOLER.  
MIN HUMIDITY........11-17 PERCENT.  
24 HR TREND......1 PERCENT DRIER.  
20-FOOT WINDS.......NORTHWEST AROUND 10 MPH WITH HIGHER GUSTS.  
LAL.................1.  
CHC OF WETTING RAIN.ZERO PERCENT.  
TRANSPORT WINDS.....NORTHWEST 10 TO 15 MPH.  
MIXING HEIGHT.......3600-4400 FT AGL INCREASING TO 10800-11800 FT  
AGL IN THE AFTERNOON.  
SMOKE DISPERSAL.....FAIR (40600 KNOT-FT) INCREASING TO VERY GOOD  
(126600 KNOT-FT) IN THE AFTERNOON.  
HAINES INDEX........3 OR VERY LOW POTENTIAL FOR LARGE PLUME  
DOMINATED FIRE GROWTH.  
   
FORECAST DAYS 3 THROUGH 7
 
   
FRIDAY
 
MOSTLY CLEAR. LOWS IN THE LOWER 40S. HIGHS IN THE MID  
70S. NORTH WINDS AROUND 5 MPH.    
SATURDAY
 
MOSTLY CLEAR. LOWS IN THE MID 40S. HIGHS IN THE LOWER  
80S. WINDS GENERALLY LESS THAN 10 MPH.    
SUNDAY
 
PARTLY CLOUDY. LOWS IN THE LOWER 50S. HIGHS IN THE MID  
80S. WINDS GENERALLY LESS THAN 10 MPH.    
MONDAY
 
MOSTLY CLEAR. LOWS AROUND 50. HIGHS IN THE MID 80S.    
INDEPENDENCE DAY
 
MOSTLY CLEAR. LOWS IN THE LOWER 50S. HIGHS IN  
THE MID 80S.  
 

 
 
WYZ305-282245-  
SIERRA MADRE RANGE/MEDICINE BOW NF-  
249 AM MDT WED JUN 28 2017  
   
TODAY
 
 
SKY/WEATHER.........SUNNY UNTIL 1200, THEN PARTLY CLOUDY. SLIGHT  
CHANCE OF SHOWERS AND THUNDERSTORMS AFTER 1200.  
SOME THUNDERSTORMS MAY PRODUCE GUSTY WINDS  
AFTER 1200.  
MAX TEMPERATURE.....70-78.  
24 HR TREND......1 DEGREE WARMER.  
MIN HUMIDITY........13-19 PERCENT.  
24 HR TREND......1 PERCENT WETTER.  
20-FOOT WINDS.......SOUTHWEST 10 TO 15 MPH WITH HIGHER GUSTS.  
LAL.................1 UNTIL 1200, THEN 3.  
CHC OF WETTING RAIN.5 PERCENT.  
TRANSPORT WINDS.....WEST AROUND 15 MPH INCREASING TO AROUND 25 MPH  
IN THE AFTERNOON.  
MIXING HEIGHT.......4500-5800 FT AGL INCREASING TO 13000-14800 FT  
AGL IN THE AFTERNOON.  
SMOKE DISPERSAL.....GOOD (65900 KNOT-FT) INCREASING TO EXCELLENT  
(271700 KNOT-FT) IN THE AFTERNOON.  
HAINES INDEX........4 OR LOW POTENTIAL FOR LARGE PLUME DOMINATED  
FIRE GROWTH.  
   
TONIGHT
 
 
SKY/WEATHER.........MOSTLY CLOUDY UNTIL 2400, THEN PARTLY CLOUDY.  
SLIGHT CHANCE OF THUNDERSTORMS UNTIL 2100.  
SLIGHT CHANCE OF SHOWERS. SLIGHT CHANCE OF  
THUNDERSTORMS AFTER 2100. SOME THUNDERSTORMS  
MAY PRODUCE GUSTY WINDS UNTIL 2100.  
MIN TEMPERATURE.....41-46.  
24 HR TREND......1 DEGREE COOLER.  
MAX HUMIDITY........59-65 PERCENT.  
24 HR TREND......3 PERCENT WETTER.  
HUMIDITY RECOVERY...FAIR.  
20-FOOT WINDS.......WEST 5 TO 10 MPH. GUSTS UP TO 30 MPH DECREASING  
TO 15 MPH AFTER MIDNIGHT.  
LAL.................2 UNTIL 2400, THEN 1.  
CHC OF WETTING RAIN.ZERO PERCENT.  
TRANSPORT WINDS.....WEST 10 TO 15 MPH.  
MIXING HEIGHT.......700-2700 FT AGL.  
SMOKE DISPERSAL.....POOR (8100-25700 KNOT-FT).  
HAINES INDEX........4 OR LOW POTENTIAL FOR LARGE PLUME DOMINATED  
FIRE GROWTH.  
   
THURSDAY
 
 
SKY/WEATHER.........PARTLY CLOUDY. SLIGHT CHANCE OF SHOWERS AND  
THUNDERSTORMS AFTER 1200.  
MAX TEMPERATURE.....63-71.  
24 HR TREND......7 DEGREES COOLER.  
MIN HUMIDITY........14-20 PERCENT.  
24 HR TREND......UNCHANGED.  
20-FOOT WINDS.......WEST AROUND 10 MPH WITH HIGHER GUSTS.  
LAL.................1 UNTIL 1200, THEN 2.  
CHC OF WETTING RAIN.ZERO PERCENT.  
TRANSPORT WINDS.....WEST AROUND 15 MPH.  
MIXING HEIGHT.......4200-5100 FT AGL INCREASING TO 9800-11100 FT  
AGL IN THE AFTERNOON.  
SMOKE DISPERSAL.....GOOD (62200 KNOT-FT) INCREASING TO VERY GOOD  
(148100 KNOT-FT) IN THE AFTERNOON.  
HAINES INDEX........3 OR VERY LOW POTENTIAL FOR LARGE PLUME  
DOMINATED FIRE GROWTH.  
   
FORECAST DAYS 3 THROUGH 7
 
   
FRIDAY
 
MOSTLY CLEAR. LOWS AROUND 40. HIGHS IN THE UPPER 60S.  
NORTH WINDS AROUND 5 MPH.    
SATURDAY
 
MOSTLY CLEAR. LOWS IN THE LOWER 40S. HIGHS IN THE  
LOWER 70S. WINDS GENERALLY LESS THAN 10 MPH.    
SUNDAY
 
PARTLY CLOUDY. LOWS IN THE UPPER 40S. HIGHS IN THE MID  
70S. WINDS GENERALLY LESS THAN 10 MPH.    
MONDAY
 
MOSTLY CLEAR. LOWS IN THE UPPER 40S. HIGHS IN THE UPPER  
70S.    
INDEPENDENCE DAY
 
MOSTLY CLEAR. LOWS IN THE UPPER 40S. HIGHS IN  
THE UPPER 70S.  
 

 
 
WYZ306-282245-  
UPPER NORTH PLATTE RIVER BASIN-  
249 AM MDT WED JUN 28 2017  
 
...RED FLAG WARNING IN EFFECT FROM NOON TODAY TO 6 PM MDT THIS  
EVENING...  
   
TODAY
 
 
SKY/WEATHER.........SUNNY UNTIL 1200, THEN PARTLY CLOUDY. SLIGHT  
CHANCE OF SHOWERS AND THUNDERSTORMS AFTER 1500.  
SOME THUNDERSTORMS MAY PRODUCE GUSTY WINDS  
AFTER 1500.  
MAX TEMPERATURE.....77-82.  
24 HR TREND......2 DEGREES COOLER.  
MIN HUMIDITY........11-17 PERCENT.  
24 HR TREND......UNCHANGED.  
20-FOOT WINDS.......SOUTHWEST 10 TO 15 MPH WITH GUSTS TO AROUND 35  
MPH.  
LAL.................1 UNTIL 1200, THEN 2.  
CHC OF WETTING RAIN.ZERO PERCENT.  
TRANSPORT WINDS.....WEST 15 TO 20 MPH.  
MIXING HEIGHT.......6300-7500 FT AGL INCREASING TO 15400-16300 FT  
AGL IN THE AFTERNOON.  
SMOKE DISPERSAL.....GOOD (88300 KNOT-FT) INCREASING TO EXCELLENT  
(290400 KNOT-FT) IN THE AFTERNOON.  
HAINES INDEX........4 OR LOW POTENTIAL FOR LARGE PLUME DOMINATED  
FIRE GROWTH.  
   
TONIGHT
 
 
SKY/WEATHER.........MOSTLY CLOUDY UNTIL 2400, THEN PARTLY CLOUDY.  
MIN TEMPERATURE.....43-48.  
24 HR TREND......UNCHANGED.  
MAX HUMIDITY........60-66 PERCENT.  
24 HR TREND......5 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.................2 UNTIL 2400, THEN 1.  
CHC OF WETTING RAIN.ZERO PERCENT.  
TRANSPORT WINDS.....WEST 5 TO 10 MPH.  
MIXING HEIGHT.......900-1500 FT AGL.  
SMOKE DISPERSAL.....POOR (4700-8900 KNOT-FT).  
HAINES INDEX........4 OR LOW POTENTIAL FOR LARGE PLUME DOMINATED  
FIRE GROWTH.  
   
THURSDAY
 
 
SKY/WEATHER.........PARTLY CLOUDY.  
MAX TEMPERATURE.....68-73.  
24 HR TREND......10 DEGREES COOLER.  
MIN HUMIDITY........14-20 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 10 TO 15 MPH.  
MIXING HEIGHT.......4100-5300 FT AGL INCREASING TO 11000-11600 FT  
AGL IN THE AFTERNOON.  
SMOKE DISPERSAL.....FAIR (44600 KNOT-FT) INCREASING TO EXCELLENT  
(150500 KNOT-FT) IN THE AFTERNOON.  
HAINES INDEX........3 OR VERY LOW POTENTIAL FOR LARGE PLUME  
DOMINATED FIRE GROWTH.  
   
FORECAST DAYS 3 THROUGH 7
 
   
FRIDAY
 
MOSTLY CLEAR. LOWS AROUND 40. HIGHS IN THE LOWER 70S.  
NORTH WINDS AROUND 5 MPH.    
SATURDAY
 
MOSTLY CLEAR. LOWS IN THE MID 40S. HIGHS IN THE MID  
70S. WINDS GENERALLY LESS THAN 10 MPH.    
SUNDAY
 
PARTLY CLOUDY. LOWS IN THE UPPER 40S. HIGHS AROUND 80.  
SOUTHWEST WINDS AROUND 10 MPH.    
MONDAY
 
MOSTLY CLEAR. LOWS IN THE UPPER 40S. HIGHS IN THE LOWER  
80S.    
INDEPENDENCE DAY
 
MOSTLY CLEAR. LOWS AROUND 50. HIGHS IN THE  
LOWER 80S.  
 

 
 
WYZ307-282245-  
SNOWY RANGE/MEDICINE BOW NF-  
249 AM MDT WED JUN 28 2017  
   
TODAY
 
 
SKY/WEATHER.........SUNNY UNTIL 1200, THEN PARTLY CLOUDY. SLIGHT  
CHANCE OF SHOWERS AND THUNDERSTORMS AFTER 1200.  
SOME THUNDERSTORMS MAY PRODUCE GUSTY WINDS  
AFTER 1200.  
MAX TEMPERATURE.....67-75.  
24 HR TREND......4 DEGREES COOLER.  
MIN HUMIDITY........15-21 PERCENT.  
24 HR TREND......UNCHANGED.  
20-FOOT WINDS.......WEST 15 TO 20 MPH WITH GUSTS TO AROUND 35 MPH.  
LAL.................1 UNTIL 1200, THEN 3.  
CHC OF WETTING RAIN.5 PERCENT.  
TRANSPORT WINDS.....WEST 20 TO 25 MPH.  
MIXING HEIGHT.......4800-6300 FT AGL INCREASING TO 13000-15000 FT  
AGL IN THE AFTERNOON.  
SMOKE DISPERSAL.....GOOD (89900 KNOT-FT) INCREASING TO EXCELLENT  
(309300 KNOT-FT) IN THE AFTERNOON.  
HAINES INDEX........4 OR LOW POTENTIAL FOR LARGE PLUME DOMINATED  
FIRE GROWTH.  
   
TONIGHT
 
 
SKY/WEATHER.........MOSTLY CLOUDY UNTIL 2400, THEN PARTLY CLOUDY.  
SLIGHT CHANCE OF THUNDERSTORMS UNTIL 2100.  
SLIGHT CHANCE OF SHOWERS. SLIGHT CHANCE OF  
THUNDERSTORMS AFTER 2100. SOME THUNDERSTORMS  
MAY PRODUCE GUSTY WINDS UNTIL 2100.  
MIN TEMPERATURE.....38-44.  
24 HR TREND......UNCHANGED.  
MAX HUMIDITY........63-69 PERCENT.  
24 HR TREND......3 PERCENT DRIER.  
HUMIDITY RECOVERY...FAIR.  
20-FOOT WINDS.......WEST AROUND 15 MPH AND GUSTY BECOMING SOUTHWEST  
AROUND 5 MPH AFTER MIDNIGHT.  
LAL.................3 UNTIL 2400, THEN 1.  
CHC OF WETTING RAIN.5 PERCENT.  
TRANSPORT WINDS.....WEST 15 TO 20 MPH.  
MIXING HEIGHT.......1000-3000 FT AGL.  
SMOKE DISPERSAL.....POOR TO FAIR (10200-41700 KNOT-FT).  
HAINES INDEX........4 OR LOW POTENTIAL FOR LARGE PLUME DOMINATED  
FIRE GROWTH.  
   
THURSDAY
 
 
SKY/WEATHER.........MOSTLY SUNNY UNTIL 1200, THEN PARTLY CLOUDY.  
SLIGHT CHANCE OF SHOWERS AND THUNDERSTORMS  
AFTER 1200.  
MAX TEMPERATURE.....61-67.  
24 HR TREND......6 DEGREES COOLER.  
MIN HUMIDITY........18-24 PERCENT.  
24 HR TREND......3 PERCENT WETTER.  
20-FOOT WINDS.......WEST 10 TO 15 MPH WITH HIGHER GUSTS.  
LAL.................2.  
CHC OF WETTING RAIN.ZERO PERCENT.  
TRANSPORT WINDS.....WEST AROUND 20 MPH.  
MIXING HEIGHT.......4500-6300 FT AGL INCREASING TO 10000-12000 FT  
AGL IN THE AFTERNOON.  
SMOKE DISPERSAL.....GOOD (93700 KNOT-FT) INCREASING TO EXCELLENT  
(179000 KNOT-FT) IN THE AFTERNOON.  
HAINES INDEX........4 OR LOW POTENTIAL FOR LARGE PLUME DOMINATED  
FIRE GROWTH.  
   
FORECAST DAYS 3 THROUGH 7
 
   
FRIDAY
 
PARTLY CLOUDY. SLIGHT CHANCE OF SHOWERS AND  
THUNDERSTORMS. LOWS IN THE MID 30S. HIGHS IN THE MID 60S.  
NORTHWEST WINDS AROUND 5 MPH.    
SATURDAY
 
MOSTLY CLEAR. LOWS AROUND 40. HIGHS IN THE UPPER 60S.  
WINDS GENERALLY LESS THAN 10 MPH.    
SUNDAY
 
PARTLY CLOUDY. LOWS IN THE MID 40S. HIGHS IN THE LOWER  
70S. WEST WINDS AROUND 10 MPH.    
MONDAY
 
MOSTLY CLEAR. LOWS IN THE MID 40S. HIGHS IN THE MID  
70S.    
INDEPENDENCE DAY
 
MOSTLY CLEAR. LOWS IN THE MID 40S. HIGHS IN  
THE MID 70S.  
 

 
 
WYZ308-282245-  
LARAMIE VALLEY/SHIRLEY BASIN-  
249 AM MDT WED JUN 28 2017  
   
TODAY
 
 
SKY/WEATHER.........SUNNY UNTIL 1200, THEN PARTLY CLOUDY. SLIGHT  
CHANCE OF SHOWERS AND THUNDERSTORMS AFTER 1200.  
SOME THUNDERSTORMS MAY PRODUCE GUSTY WINDS  
AFTER 1200.  
MAX TEMPERATURE.....76-81.  
24 HR TREND......3 DEGREES COOLER.  
MIN HUMIDITY........13-19 PERCENT.  
24 HR TREND......3 PERCENT WETTER.  
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.......4100-6100 FT AGL INCREASING TO 15400-16200 FT  
AGL IN THE AFTERNOON.  
SMOKE DISPERSAL.....GOOD (69600 KNOT-FT) INCREASING TO EXCELLENT  
(370400 KNOT-FT) IN THE AFTERNOON.  
HAINES INDEX........4 OR LOW POTENTIAL FOR LARGE PLUME DOMINATED  
FIRE GROWTH.  
   
TONIGHT
 
 
SKY/WEATHER.........MOSTLY CLOUDY UNTIL 2400, THEN PARTLY CLOUDY.  
SLIGHT CHANCE OF THUNDERSTORMS UNTIL 2100.  
SLIGHT CHANCE OF SHOWERS. SLIGHT CHANCE OF  
THUNDERSTORMS AFTER 2100. SOME THUNDERSTORMS  
MAY PRODUCE GUSTY WINDS UNTIL 2100.  
MIN TEMPERATURE.....44-49.  
24 HR TREND......UNCHANGED.  
MAX HUMIDITY........66-72 PERCENT.  
24 HR TREND......3 PERCENT DRIER.  
HUMIDITY RECOVERY...FAIR.  
20-FOOT WINDS.......WEST AROUND 15 MPH AND GUSTY DECREASING TO  
AROUND 5 MPH AFTER MIDNIGHT.  
LAL.................3 UNTIL 2400, THEN 1.  
CHC OF WETTING RAIN.5 PERCENT.  
TRANSPORT WINDS.....WEST 10 TO 15 MPH.  
MIXING HEIGHT.......700-1300 FT AGL.  
SMOKE DISPERSAL.....POOR (9200-12000 KNOT-FT).  
HAINES INDEX........4 OR LOW POTENTIAL FOR LARGE PLUME DOMINATED  
FIRE GROWTH.  
   
THURSDAY
 
 
SKY/WEATHER.........PARTLY CLOUDY. SLIGHT CHANCE OF SHOWERS. SLIGHT  
CHANCE OF THUNDERSTORMS AFTER 1200.  
MAX TEMPERATURE.....66-71.  
24 HR TREND......9 DEGREES COOLER.  
MIN HUMIDITY........22-28 PERCENT.  
24 HR TREND......5 PERCENT WETTER.  
20-FOOT WINDS.......NORTHWEST AROUND 10 MPH WITH HIGHER GUSTS.  
LAL.................2 UNTIL 1200, THEN 3.  
CHC OF WETTING RAIN.5 PERCENT.  
TRANSPORT WINDS.....NORTHWEST AROUND 15 MPH.  
MIXING HEIGHT.......3400-5400 FT AGL INCREASING TO 11400-13200 FT  
AGL IN THE AFTERNOON.  
SMOKE DISPERSAL.....FAIR (58900 KNOT-FT) INCREASING TO EXCELLENT  
(168200 KNOT-FT) IN THE AFTERNOON.  
HAINES INDEX........3 OR VERY LOW POTENTIAL FOR LARGE PLUME  
DOMINATED FIRE GROWTH.  
   
FORECAST DAYS 3 THROUGH 7
 
   
FRIDAY
 
PARTLY CLOUDY. LOWS IN THE LOWER 40S. HIGHS AROUND 70.  
NORTH WINDS AROUND 5 MPH.    
SATURDAY
 
MOSTLY CLEAR. LOWS IN THE MID 40S. HIGHS IN THE MID  
70S. WINDS GENERALLY LESS THAN 10 MPH.    
SUNDAY
 
PARTLY CLOUDY. LOWS IN THE UPPER 40S. HIGHS IN THE  
UPPER 70S. WINDS GENERALLY LESS THAN 10 MPH.    
MONDAY
 
MOSTLY CLEAR. LOWS IN THE UPPER 40S. HIGHS IN THE LOWER  
80S.    
INDEPENDENCE DAY
 
MOSTLY CLEAR. LOWS IN THE LOWER 50S. HIGHS IN  
THE LOWER 80S.  
 

 
 
WYZ309-282245-  
SOUTH LARAMIE RANGE/MEDICINE BOW NF-  
249 AM MDT WED JUN 28 2017  
   
TODAY
 
 
SKY/WEATHER.........MOSTLY SUNNY UNTIL 1200, THEN PARTLY CLOUDY.  
SLIGHT CHANCE OF SHOWERS AND THUNDERSTORMS  
AFTER 1200 UNTIL 1500, THEN CHANCE OF SHOWERS  
AND THUNDERSTORMS. SOME THUNDERSTORMS MAY  
PRODUCE GUSTY WINDS AFTER 1200.  
MAX TEMPERATURE.....77-85.  
24 HR TREND......6 DEGREES COOLER.  
MIN HUMIDITY........18 PERCENT.  
24 HR TREND......4 PERCENT WETTER.  
20-FOOT WINDS.......WEST 10 TO 15 MPH WITH HIGHER GUSTS.  
LAL.................1 UNTIL 1200, THEN 3.  
CHC OF WETTING RAIN.5 PERCENT.  
TRANSPORT WINDS.....WEST AROUND 15 MPH INCREASING TO AROUND 25 MPH  
IN THE AFTERNOON.  
MIXING HEIGHT.......4500-6500 FT AGL INCREASING TO 15000-17000 FT  
AGL IN THE AFTERNOON.  
SMOKE DISPERSAL.....GOOD (72700 KNOT-FT) INCREASING TO EXCELLENT  
(324500 KNOT-FT) IN THE AFTERNOON.  
HAINES INDEX........4 OR LOW POTENTIAL FOR LARGE PLUME DOMINATED  
FIRE GROWTH.  
   
TONIGHT
 
 
SKY/WEATHER.........MOSTLY CLOUDY UNTIL 2400, THEN PARTLY CLOUDY.  
SLIGHT CHANCE OF THUNDERSTORMS UNTIL 2100.  
SLIGHT CHANCE OF SHOWERS. SLIGHT CHANCE OF  
THUNDERSTORMS AFTER 2100. SOME THUNDERSTORMS  
MAY PRODUCE GUSTY WINDS UNTIL 2100.  
MIN TEMPERATURE.....47-53.  
24 HR TREND......UNCHANGED.  
MAX HUMIDITY........62-68 PERCENT.  
24 HR TREND......6 PERCENT DRIER.  
HUMIDITY RECOVERY...FAIR.  
20-FOOT WINDS.......SOUTHWEST AROUND 15 MPH AND GUSTY DECREASING TO  
AROUND 5 MPH AFTER MIDNIGHT.  
LAL.................3 UNTIL 2400, THEN 1.  
CHC OF WETTING RAIN.5 PERCENT.  
TRANSPORT WINDS.....WEST AROUND 15 MPH.  
MIXING HEIGHT.......600-1600 FT AGL.  
SMOKE DISPERSAL.....POOR (11600-13200 KNOT-FT).  
HAINES INDEX........4 OR LOW POTENTIAL FOR LARGE PLUME DOMINATED  
FIRE GROWTH.  
   
THURSDAY
 
 
SKY/WEATHER.........PARTLY CLOUDY. SLIGHT CHANCE OF SHOWERS UNTIL  
1200, THEN CHANCE OF SHOWERS AND THUNDERSTORMS.  
MAX TEMPERATURE.....68-73.  
24 HR TREND......11 DEGREES COOLER.  
MIN HUMIDITY........22-28 PERCENT.  
24 HR TREND......8 PERCENT WETTER.  
20-FOOT WINDS.......NORTHWEST 10 TO 15 MPH WITH HIGHER GUSTS.  
LAL.................2 UNTIL 1200, THEN 3.  
CHC OF WETTING RAIN.5 PERCENT.  
TRANSPORT WINDS.....NORTHWEST AROUND 20 MPH.  
MIXING HEIGHT.......3600-5000 FT AGL INCREASING TO 11100-12900 FT  
AGL IN THE AFTERNOON.  
SMOKE DISPERSAL.....GOOD (66700 KNOT-FT) INCREASING TO EXCELLENT  
(183600 KNOT-FT) IN THE AFTERNOON.  
HAINES INDEX........3 OR VERY LOW POTENTIAL FOR LARGE PLUME  
DOMINATED FIRE GROWTH.  
   
FORECAST DAYS 3 THROUGH 7
 
   
FRIDAY
 
PARTLY CLOUDY. LOWS IN THE MID 40S. HIGHS AROUND 70.  
NORTHWEST WINDS AROUND 5 MPH.    
SATURDAY
 
PARTLY CLOUDY. LOWS IN THE UPPER 40S. HIGHS IN THE  
MID 70S. WINDS GENERALLY LESS THAN 10 MPH.    
SUNDAY
 
PARTLY CLOUDY. LOWS IN THE LOWER 50S. HIGHS IN THE  
UPPER 70S. SOUTHWEST WINDS AROUND 10 MPH.    
MONDAY
 
MOSTLY CLEAR. LOWS IN THE LOWER 50S. HIGHS IN THE LOWER  
80S.    
INDEPENDENCE DAY
 
MOSTLY CLEAR. LOWS IN THE MID 50S. HIGHS IN  
THE LOWER 80S.  
 

 
 
WYZ310-282245-  
PLATTE/GOSHEN/CENTRAL AND EASTERN LARAMIE-  
249 AM MDT WED JUN 28 2017  
   
TODAY
 
 
SKY/WEATHER.........MOSTLY SUNNY UNTIL 1200, THEN PARTLY CLOUDY.  
SLIGHT CHANCE OF SHOWERS AND THUNDERSTORMS  
AFTER 1200. SOME THUNDERSTORMS MAY PRODUCE  
GUSTY WINDS AFTER 1200.  
MAX TEMPERATURE.....83-88.  
24 HR TREND......5 DEGREES COOLER.  
MIN HUMIDITY........15-21 PERCENT.  
24 HR TREND......5 PERCENT WETTER.  
20-FOOT WINDS.......WEST 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.....WEST 10 TO 15 MPH.  
MIXING HEIGHT.......3000-4300 FT AGL INCREASING TO 14100-16100 FT  
AGL IN THE AFTERNOON.  
SMOKE DISPERSAL.....POOR (28000 KNOT-FT) INCREASING TO EXCELLENT  
(199600 KNOT-FT) IN THE AFTERNOON.  
HAINES INDEX........4 OR LOW POTENTIAL FOR LARGE PLUME DOMINATED  
FIRE GROWTH.  
   
TONIGHT
 
 
SKY/WEATHER.........MOSTLY CLOUDY UNTIL 0300, THEN PARTLY CLOUDY.  
CHANCE OF SHOWERS AND THUNDERSTORMS UNTIL 2100,  
THEN SLIGHT CHANCE OF SHOWERS AND  
THUNDERSTORMS. SOME THUNDERSTORMS MAY PRODUCE  
GUSTY WINDS UNTIL 2100.  
MIN TEMPERATURE.....51-56.  
24 HR TREND......UNCHANGED.  
MAX HUMIDITY........75-81 PERCENT.  
24 HR TREND......UNCHANGED.  
HUMIDITY RECOVERY...GOOD.  
20-FOOT WINDS.......SOUTHWEST AROUND 5 MPH.  
LAL.................3.  
CHC OF WETTING RAIN.10 PERCENT.  
TRANSPORT WINDS.....SOUTH AROUND 10 MPH SHIFTING TO THE WEST AFTER  
MIDNIGHT.  
MIXING HEIGHT.......600-1900 FT AGL.  
SMOKE DISPERSAL.....POOR (7800-15300 KNOT-FT).  
HAINES INDEX........3 OR VERY LOW POTENTIAL FOR LARGE PLUME  
DOMINATED FIRE GROWTH.  
   
THURSDAY
 
 
SKY/WEATHER.........PARTLY CLOUDY. SLIGHT CHANCE OF SHOWERS. SLIGHT  
CHANCE OF THUNDERSTORMS AFTER 1200.  
MAX TEMPERATURE.....72-77.  
24 HR TREND......11 DEGREES COOLER.  
MIN HUMIDITY........26-32 PERCENT.  
24 HR TREND......11 PERCENT WETTER.  
20-FOOT WINDS.......NORTHWEST 10 TO 15 MPH WITH HIGHER GUSTS.  
LAL.................2 UNTIL 1200, THEN 3.  
CHC OF WETTING RAIN.5 PERCENT.  
TRANSPORT WINDS.....NORTHWEST AROUND 20 MPH.  
MIXING HEIGHT.......3300-4700 FT AGL INCREASING TO 11000-12900 FT  
AGL IN THE AFTERNOON.  
SMOKE DISPERSAL.....GOOD (65300 KNOT-FT) INCREASING TO EXCELLENT  
(194200 KNOT-FT) IN THE AFTERNOON.  
HAINES INDEX........3 OR VERY LOW POTENTIAL FOR LARGE PLUME  
DOMINATED FIRE GROWTH.  
   
FORECAST DAYS 3 THROUGH 7
 
   
FRIDAY
 
PARTLY CLOUDY. LOWS IN THE UPPER 40S. HIGHS IN THE MID  
70S. NORTHWEST WINDS AROUND 5 MPH.    
SATURDAY
 
PARTLY CLOUDY. LOWS AROUND 50. HIGHS IN THE UPPER  
70S. WINDS GENERALLY LESS THAN 10 MPH.    
SUNDAY
 
PARTLY CLOUDY WITH SLIGHT CHANCE OF SHOWERS AND  
THUNDERSTORMS. LOWS IN THE MID 50S. HIGHS IN THE LOWER 80S. WINDS  
GENERALLY LESS THAN 10 MPH.    
MONDAY
 
MOSTLY CLEAR. LOWS IN THE MID 50S. HIGHS IN THE MID  
80S.    
INDEPENDENCE DAY
 
MOSTLY CLEAR. LOWS IN THE MID 50S. HIGHS IN  
THE UPPER 80S.  
 

 
 
NEZ311-282245-  
PINE RIDGE/NEBRASKA NATIONAL FOREST/OGLALA NATIONAL GRASSLANDS-  
249 AM MDT WED JUN 28 2017  
   
TODAY
 
 
SKY/WEATHER.........MOSTLY SUNNY UNTIL 1200, THEN PARTLY CLOUDY.  
SLIGHT CHANCE OF SHOWERS AND THUNDERSTORMS  
AFTER 1200 UNTIL 1500, THEN CHANCE OF SHOWERS  
AND THUNDERSTORMS. SOME THUNDERSTORMS MAY  
PRODUCE GUSTY WINDS AFTER 1200.  
MAX TEMPERATURE.....83-88.  
24 HR TREND......7 DEGREES COOLER.  
MIN HUMIDITY........22-28 PERCENT.  
24 HR TREND......8 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.....WEST AROUND 10 MPH.  
MIXING HEIGHT.......3000-4200 FT AGL INCREASING TO 10200-12200 FT  
AGL IN THE AFTERNOON.  
SMOKE DISPERSAL.....POOR TO GOOD (37500-73200 KNOT-FT).  
HAINES INDEX........4 OR LOW POTENTIAL FOR LARGE PLUME DOMINATED  
FIRE GROWTH.  
   
TONIGHT
 
 
SKY/WEATHER.........MOSTLY CLOUDY UNTIL 0300, THEN PARTLY CLOUDY.  
CHANCE OF THUNDERSTORMS UNTIL 2100. CHANCE OF  
SHOWERS. CHANCE OF THUNDERSTORMS AFTER 2100.  
SOME THUNDERSTORMS MAY PRODUCE GUSTY WINDS  
UNTIL 2100.  
MIN TEMPERATURE.....52-57.  
24 HR TREND......1 DEGREE COOLER.  
MAX HUMIDITY........83-89 PERCENT.  
24 HR TREND......3 PERCENT DRIER.  
HUMIDITY RECOVERY...EXCELLENT.  
20-FOOT WINDS.......EAST 5 TO 10 MPH.  
LAL.................3.  
CHC OF WETTING RAIN.15 PERCENT.  
TRANSPORT WINDS.....SOUTHWEST 10 TO 15 MPH.  
MIXING HEIGHT.......600-2600 FT AGL.  
SMOKE DISPERSAL.....POOR (4700-25800 KNOT-FT).  
HAINES INDEX........3 OR VERY LOW POTENTIAL FOR LARGE PLUME  
DOMINATED FIRE GROWTH.  
   
THURSDAY
 
 
SKY/WEATHER.........PARTLY CLOUDY UNTIL 1200, THEN MOSTLY CLOUDY.  
SLIGHT CHANCE OF SHOWERS UNTIL 1200, THEN  
CHANCE OF SHOWERS AND THUNDERSTORMS.  
MAX TEMPERATURE.....73-78.  
24 HR TREND......9 DEGREES COOLER.  
MIN HUMIDITY........30-36 PERCENT.  
24 HR TREND......10 PERCENT WETTER.  
20-FOOT WINDS.......NORTHWEST 10 TO 15 MPH WITH HIGHER GUSTS.  
LAL.................1 UNTIL 1200, THEN 3.  
CHC OF WETTING RAIN.10 PERCENT.  
TRANSPORT WINDS.....NORTHWEST AROUND 20 MPH.  
MIXING HEIGHT.......3300-4400 FT AGL INCREASING TO 10000-11200 FT  
AGL IN THE AFTERNOON.  
SMOKE DISPERSAL.....GOOD (64200 KNOT-FT) INCREASING TO EXCELLENT  
(178300 KNOT-FT) IN THE AFTERNOON.  
HAINES INDEX........4 OR LOW POTENTIAL FOR LARGE PLUME DOMINATED  
FIRE GROWTH.  
   
FORECAST DAYS 3 THROUGH 7
 
   
FRIDAY
 
PARTLY CLOUDY. LOWS AROUND 50. HIGHS IN THE MID 70S.  
NORTHWEST WINDS AROUND 10 MPH.    
SATURDAY
 
PARTLY CLOUDY. LOWS IN THE LOWER 50S. HIGHS IN THE  
LOWER 80S. WINDS GENERALLY LESS THAN 10 MPH.    
SUNDAY
 
PARTLY CLOUDY WITH SLIGHT CHANCE OF SHOWERS AND  
THUNDERSTORMS. LOWS IN THE MID 50S. HIGHS IN THE MID 80S. WINDS  
GENERALLY LESS THAN 10 MPH.    
MONDAY
 
PARTLY CLOUDY. LOWS IN THE UPPER 50S. HIGHS IN THE  
UPPER 80S.    
INDEPENDENCE DAY
 
MOSTLY CLEAR. LOWS IN THE UPPER 50S. HIGHS IN  
THE UPPER 80S.  
 

 
 
NEZ312-282245-  
BOX BUTTE/SOUTH SIOUX-  
249 AM MDT WED JUN 28 2017  
   
TODAY
 
 
SKY/WEATHER.........MOSTLY SUNNY UNTIL 1200, THEN PARTLY CLOUDY.  
SLIGHT CHANCE OF SHOWERS AND THUNDERSTORMS  
AFTER 1200. SOME THUNDERSTORMS MAY PRODUCE  
GUSTY WINDS AFTER 1200.  
MAX TEMPERATURE.....84-89.  
24 HR TREND......6 DEGREES COOLER.  
MIN HUMIDITY........19-25 PERCENT.  
24 HR TREND......2 PERCENT WETTER.  
20-FOOT WINDS.......NORTHWEST AROUND 5 MPH AND GUSTY.  
LAL.................1 UNTIL 1200, THEN 2.  
CHC OF WETTING RAIN.ZERO PERCENT.  
TRANSPORT WINDS.....WEST 10 TO 15 MPH.  
MIXING HEIGHT.......3300-4000 FT AGL INCREASING TO 10600-12600 FT  
AGL IN THE AFTERNOON.  
SMOKE DISPERSAL.....FAIR (43700 KNOT-FT) INCREASING TO GOOD (99100  
KNOT-FT) IN THE AFTERNOON.  
HAINES INDEX........3 OR VERY LOW POTENTIAL FOR LARGE PLUME  
DOMINATED FIRE GROWTH.  
   
TONIGHT
 
 
SKY/WEATHER.........MOSTLY CLOUDY UNTIL 0300, THEN PARTLY CLOUDY.  
CHANCE OF THUNDERSTORMS UNTIL 2100. CHANCE OF  
SHOWERS. CHANCE OF THUNDERSTORMS AFTER 2100.  
SOME THUNDERSTORMS MAY PRODUCE GUSTY WINDS  
UNTIL 2100.  
MIN TEMPERATURE.....51-56.  
24 HR TREND......1 DEGREE COOLER.  
MAX HUMIDITY........86-92 PERCENT.  
24 HR TREND......4 PERCENT WETTER.  
HUMIDITY RECOVERY...EXCELLENT.  
20-FOOT WINDS.......SOUTHEAST AROUND 5 MPH SHIFTING TO THE SOUTH  
AFTER MIDNIGHT. GUSTS UP TO 15 MPH.  
LAL.................3.  
CHC OF WETTING RAIN.15 PERCENT.  
TRANSPORT WINDS.....SOUTHWEST 10 TO 15 MPH.  
MIXING HEIGHT.......500-1700 FT AGL.  
SMOKE DISPERSAL.....POOR (5800-17000 KNOT-FT).  
HAINES INDEX........3 OR VERY LOW POTENTIAL FOR LARGE PLUME  
DOMINATED FIRE GROWTH.  
   
THURSDAY
 
 
SKY/WEATHER.........PARTLY CLOUDY. SLIGHT CHANCE OF SHOWERS UNTIL  
1200, THEN CHANCE OF SHOWERS AND THUNDERSTORMS.  
MAX TEMPERATURE.....74-79.  
24 HR TREND......9 DEGREES COOLER.  
MIN HUMIDITY........29-35 PERCENT.  
24 HR TREND......6 PERCENT WETTER.  
20-FOOT WINDS.......NORTHWEST 10 TO 15 MPH WITH HIGHER GUSTS.  
LAL.................1 UNTIL 1200, THEN 3.  
CHC OF WETTING RAIN.10 PERCENT.  
TRANSPORT WINDS.....NORTHWEST AROUND 20 MPH.  
MIXING HEIGHT.......3000-4000 FT AGL INCREASING TO 10000-11500 FT  
AGL IN THE AFTERNOON.  
SMOKE DISPERSAL.....GOOD (63200 KNOT-FT) INCREASING TO EXCELLENT  
(186400 KNOT-FT) IN THE AFTERNOON.  
HAINES INDEX........3 OR VERY LOW POTENTIAL FOR LARGE PLUME  
DOMINATED FIRE GROWTH.  
   
FORECAST DAYS 3 THROUGH 7
 
   
FRIDAY
 
PARTLY CLOUDY. LOWS IN THE UPPER 40S. HIGHS IN THE MID  
70S. NORTHWEST WINDS AROUND 10 MPH.    
SATURDAY
 
PARTLY CLOUDY. LOWS AROUND 50. HIGHS AROUND 80. WINDS  
GENERALLY LESS THAN 10 MPH.    
SUNDAY
 
PARTLY CLOUDY WITH SLIGHT CHANCE OF SHOWERS AND  
THUNDERSTORMS. LOWS IN THE MID 50S. HIGHS IN THE MID 80S. WINDS  
GENERALLY LESS THAN 10 MPH.    
MONDAY
 
PARTLY CLOUDY. LOWS IN THE MID 50S. HIGHS IN THE MID  
80S.    
INDEPENDENCE DAY
 
MOSTLY CLEAR. LOWS IN THE UPPER 50S. HIGHS IN  
THE UPPER 80S.  
 

 
 
NEZ313-282245-  
SCOTTS BLUFF NATIONAL MONUMENT/WILDCAT HILLS-  
249 AM MDT WED JUN 28 2017  
   
TODAY
 
 
SKY/WEATHER.........MOSTLY SUNNY UNTIL 1200, THEN PARTLY CLOUDY.  
SLIGHT CHANCE OF SHOWERS AND THUNDERSTORMS  
AFTER 1200. SOME THUNDERSTORMS MAY PRODUCE  
GUSTY WINDS AFTER 1200.  
MAX TEMPERATURE.....84-89.  
24 HR TREND......3 DEGREES COOLER.  
MIN HUMIDITY........19-25 PERCENT.  
24 HR TREND......3 PERCENT WETTER.  
20-FOOT WINDS.......WEST 5 TO 10 MPH AND GUSTY.  
LAL.................1 UNTIL 1200, THEN 2.  
CHC OF WETTING RAIN.ZERO PERCENT.  
TRANSPORT WINDS.....NORTHWEST AROUND 15 MPH SHIFTING TO THE WEST IN  
THE AFTERNOON.  
MIXING HEIGHT.......2300-3100 FT AGL INCREASING TO 10000-12000 FT  
AGL IN THE AFTERNOON.  
SMOKE DISPERSAL.....POOR (32900 KNOT-FT) INCREASING TO GOOD (90500  
KNOT-FT) IN THE AFTERNOON.  
HAINES INDEX........4 OR LOW POTENTIAL FOR LARGE PLUME DOMINATED  
FIRE GROWTH.  
   
TONIGHT
 
 
SKY/WEATHER.........MOSTLY CLOUDY UNTIL 0300, THEN PARTLY CLOUDY.  
CHANCE OF THUNDERSTORMS UNTIL 2400. CHANCE OF  
SHOWERS. CHANCE OF THUNDERSTORMS AFTER 2400.  
SOME THUNDERSTORMS MAY PRODUCE GUSTY WINDS  
UNTIL 2100.  
MIN TEMPERATURE.....53-58.  
24 HR TREND......1 DEGREE COOLER.  
MAX HUMIDITY........80-86 PERCENT.  
24 HR TREND......6 PERCENT WETTER.  
HUMIDITY RECOVERY...GOOD.  
20-FOOT WINDS.......SOUTH 5 TO 10 MPH.  
LAL.................3.  
CHC OF WETTING RAIN.15 PERCENT.  
TRANSPORT WINDS.....SOUTH AROUND 15 MPH.  
MIXING HEIGHT.......500-2100 FT AGL.  
SMOKE DISPERSAL.....POOR (5700-15500 KNOT-FT).  
HAINES INDEX........3 OR VERY LOW POTENTIAL FOR LARGE PLUME  
DOMINATED FIRE GROWTH.  
   
THURSDAY
 
 
SKY/WEATHER.........PARTLY CLOUDY. SLIGHT CHANCE OF SHOWERS. SLIGHT  
CHANCE OF THUNDERSTORMS AFTER 1200.  
MAX TEMPERATURE.....76-81.  
24 HR TREND......9 DEGREES COOLER.  
MIN HUMIDITY........27-33 PERCENT.  
24 HR TREND......7 PERCENT WETTER.  
20-FOOT WINDS.......NORTHWEST 10 TO 15 MPH WITH HIGHER GUSTS.  
LAL.................2 UNTIL 1200, THEN 3.  
CHC OF WETTING RAIN.5 PERCENT.  
TRANSPORT WINDS.....NORTHWEST AROUND 20 MPH.  
MIXING HEIGHT.......2200-3300 FT AGL INCREASING TO 9600-11300 FT  
AGL IN THE AFTERNOON.  
SMOKE DISPERSAL.....FAIR (45800 KNOT-FT) INCREASING TO EXCELLENT  
(176100 KNOT-FT) IN THE AFTERNOON.  
HAINES INDEX........4 OR LOW POTENTIAL FOR LARGE PLUME DOMINATED  
FIRE GROWTH.  
   
FORECAST DAYS 3 THROUGH 7
 
   
FRIDAY
 
PARTLY CLOUDY. LOWS AROUND 50. HIGHS IN THE UPPER 70S.  
NORTHWEST WINDS AROUND 10 MPH.    
SATURDAY
 
PARTLY CLOUDY. LOWS IN THE LOWER 50S. HIGHS AROUND  
80. WINDS GENERALLY LESS THAN 10 MPH.    
SUNDAY
 
PARTLY CLOUDY WITH SLIGHT CHANCE OF SHOWERS AND  
THUNDERSTORMS. LOWS IN THE MID 50S. HIGHS IN THE MID 80S. WINDS  
GENERALLY LESS THAN 10 MPH.    
MONDAY
 
PARTLY CLOUDY. LOWS IN THE UPPER 50S. HIGHS IN THE  
UPPER 80S.    
INDEPENDENCE DAY
 
MOSTLY CLEAR. LOWS IN THE UPPER 50S. HIGHS IN  
THE UPPER 80S.  
 

 
 
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