374  
FNUS55 KGJT 151954  
FWFGJT  
 
FIRE WEATHER PLANNING FORECAST FOR WRN COLORADO AND ERN UTAH  
NATIONAL WEATHER SERVICE GRAND JUNCTION CO  
154 PM MDT FRI AUG 15 2025  
   
DISCUSSION
 
ELEVATED RELATIVE HUMIDITIES WILL KEEP CRITICAL  
FIRE WEATHER CONDITIONS SUPPRESSED THROUGH SATURDAY. WARMER AND  
DRIER CONDITIONS RETURN SUNDAY AS WE BEGIN ANOTHER HOT AND DRY  
PERIOD. HOWEVER, AFTERNOON WINDS ARE EXPECTED TO REMAIN BELOW  
THRESHOLDS BENEATH HIGH PRESSURE NEXT WEEK. THUNDERSTORMS WILL  
BECOME LESS WIDESPREAD BY SUNDAY, BUT REMAIN A CONCERN OVER THE  
HIGHER TERRAIN FOR THE WEEK AHEAD.  
 
...GUSTY ERRATIC WINDS CAN BE EXPECTED NEAR ANY SHOWERS  
OR THUNDERSTORMS...   
..THE SMOKE DATA IS CALCULATED FROM AN AVERAGE AT 6000 FEET MSL
 
 
COZ200-161200-  
LITTLE SNAKE FORECAST AREA-  
154 PM MDT FRI AUG 15 2025  
   
TONIGHT
 
 
SKY/WEATHER.........MOSTLY CLOUDY (70-80%) UNTIL 2400, THEN PARTLY  
CLOUDY (40-50%). SCATTERED SHOWERS AND ISOLATED  
THUNDERSTORMS UNTIL 2400. ISOLATED SHOWERS  
AFTER 2400.  
CHC OF LIGHTNING....20 PERCENT.  
MIN TEMPERATURE.....54-64 F.  
MAX HUMIDITY........60-75%.  
20-FOOT WINDS.......DOWNSLOPE/DOWNVALLEY WINDS 3 TO 6 MPH.  
LOCALIZED GUSTS UP TO 25 MPH IN THE EVENING.  
CWR.................20 PERCENT.  
15K FT MSL WINDS....SOUTH 15 TO 20 MPH INCREASING TO 20 TO 30 MPH  
AFTER MIDNIGHT.  
MIXING HEIGHT.......8500 FT AGL UNTIL 2000, THEN 2000 FT AGL.  
TRANSPORT WINDS.....SOUTHWEST 5 TO 10 MPH.  
SMOKE DISPERSAL.....GOOD UNTIL 2100, THEN POOR.  
   
SATURDAY
 
 
SKY/WEATHER.........PARTLY CLOUDY (30-40%). NEAR 8000 FEET,  
ISOLATED SHOWERS UNTIL 1200. SCATTERED SHOWERS  
AND THUNDERSTORMS AFTER 1200.  
CHC OF LIGHTNING....20 PERCENT.  
MAX TEMPERATURE.....79-89 F NEAR 6000 FEET  
68-78 F NEAR 8000 FEET.  
MIN HUMIDITY........13-23% NEAR 6000 FEET  
19-29% NEAR 8000 FEET.  
20-FOOT WINDS.......DOWNSLOPE/DOWNVALLEY 3 TO 6 MPH BECOMING  
UPSLOPE/UPVALLEY 4 TO 8 MPH BY 1100.  
CWR.................10 PERCENT.  
15K FT MSL WINDS....WEST 20 TO 25 MPH DECREASING TO 15 TO 20 MPH IN  
THE AFTERNOON.  
MIXING HEIGHT.......2500 FT AGL UNTIL 1000, THEN 12000 FT AGL.  
TRANSPORT WINDS.....SOUTHWEST 5 TO 10 MPH.  
SMOKE DISPERSAL.....POOR UNTIL 0900. VERY GOOD AFTER 1200.  
   
SATURDAY NIGHT
 
 
SKY/WEATHER.........PARTLY CLOUDY (30-40%). ISOLATED SHOWERS AND  
THUNDERSTORMS UNTIL 2400.  
CHC OF LIGHTNING....10 PERCENT.  
MIN TEMPERATURE.....53-63 F.  
MAX HUMIDITY........53-63% NEAR 6000 FEET  
47-57% NEAR 8000 FEET.  
20-FOOT WINDS.......UPSLOPE/UPVALLEY 4 TO 8 MPH BECOMING  
DOWNSLOPE/DOWNVALLEY 3 TO 6 MPH BY SUNSET.  
CWR.................10 PERCENT.  
15K FT MSL WINDS....SOUTHWEST 15 TO 20 MPH.  
MIXING HEIGHT.......8000 FT AGL UNTIL 2000, THEN 2000 FT AGL.  
TRANSPORT WINDS.....SOUTHWEST 5 MPH.  
SMOKE DISPERSAL.....FAIR UNTIL 2100, THEN POOR.  
   
SUNDAY
 
 
SKY/WEATHER.........MOSTLY SUNNY (10-20%). NEAR 8000 FEET, ISOLATED  
SHOWERS AND THUNDERSTORMS AFTER 1200.  
CHC OF LIGHTNING....0 PERCENT.  
MAX TEMPERATURE.....80-90 F NEAR 6000 FEET  
66-76 F NEAR 8000 FEET.  
MIN HUMIDITY........10-15%.  
20-FOOT WINDS.......UPSLOPE/UPVALLEY WINDS 4 TO 8 MPH. LOCALIZED  
GUSTS UP TO 25 MPH IN THE AFTERNOON.  
CWR.................0 PERCENT.  
15K FT MSL WINDS....SOUTHWEST 15 TO 20 MPH.  
MIXING HEIGHT.......3000 FT AGL UNTIL 1000, THEN 13000 FT AGL.  
TRANSPORT WINDS.....SOUTHWEST 5 MPH UNTIL 1200, THEN 10 TO 15 MPH.  
SMOKE DISPERSAL.....POOR UNTIL 0900. EXCELLENT AFTER 1200.  
   
FORECAST FOR DAY 3 THROUGH 7
 
   
MONDAY
 
CLEAR. LOWS 50-60. HIGHS 85-95. WINDS LESS THAN 15 MPH.   
TUESDAY
 
CLEAR. LOWS 50-60. HIGHS 88-98. WINDS LESS THAN  
15 MPH.    
WEDNESDAY
 
CLEAR. LOWS 51-61. HIGHS 90-100. WINDS LESS THAN  
15 MPH.    
THURSDAY
 
MOSTLY CLEAR. ISOLATED SHOWERS AND THUNDERSTORMS NEAR  
6000 FEET AND ISOLATED SHOWERS NEAR 8000 FEET. LOWS 53-63. HIGHS  
89-99.    
FRIDAY
 
PARTLY CLOUDY. ISOLATED SHOWERS AND THUNDERSTORMS. LOWS  
54-64. HIGHS 87-97.  
 

 
 
COZ201-161200-  
ROUTT FORECAST AREA-  
154 PM MDT FRI AUG 15 2025  
   
TONIGHT
 
 
SKY/WEATHER.........MOSTLY CLOUDY (60-70%) UNTIL 2400, THEN PARTLY  
CLOUDY (40-50%). AREAS OF SMOKE. SCATTERED  
SHOWERS AND THUNDERSTORMS UNTIL 2400, ISOLATED  
SHOWERS AFTER 2400.  
CHC OF LIGHTNING....50 PERCENT.  
MIN TEMPERATURE.....46-56 F.  
MAX HUMIDITY........71-86%.  
20-FOOT WINDS.......DOWNSLOPE/DOWNVALLEY WINDS 3 TO 6 MPH.  
LOCALIZED GUSTS UP TO 20 MPH IN THE EVENING.  
CWR.................50 PERCENT.  
15K FT MSL WINDS....SOUTHWEST 10 TO 15 MPH.  
MIXING HEIGHT.......6000 FT AGL UNTIL 2000, THEN 1500 FT AGL.  
TRANSPORT WINDS.....SOUTH 5 MPH.  
SMOKE DISPERSAL.....POOR.  
   
SATURDAY
 
 
SKY/WEATHER.........PARTLY CLOUDY (40-50%) UNTIL 1200, THEN MOSTLY  
CLOUDY (60-70%). AREAS OF SMOKE. ISOLATED  
SHOWERS AND THUNDERSTORMS UNTIL 1200, SCATTERED  
SHOWERS AND THUNDERSTORMS AFTER 1200.  
CHC OF LIGHTNING....50 PERCENT.  
MAX TEMPERATURE.....67-77 F.  
MIN HUMIDITY........24-34%.  
20-FOOT WINDS.......UPSLOPE/UPVALLEY WINDS 4 TO 8 MPH. LOCALIZED  
GUSTS UP TO 20 MPH IN THE AFTERNOON.  
CWR.................30 PERCENT.  
15K FT MSL WINDS....WEST 15 TO 20 MPH.  
MIXING HEIGHT.......3000 FT AGL UNTIL 1000, THEN 9500 FT AGL.  
TRANSPORT WINDS.....WEST 5 TO 10 MPH.  
SMOKE DISPERSAL.....POOR UNTIL 0900. GOOD AFTER 1200.  
   
SATURDAY NIGHT
 
 
SKY/WEATHER.........PARTLY CLOUDY (30-40%). ISOLATED SHOWERS AND  
THUNDERSTORMS UNTIL 2400. AREAS OF SMOKE.  
CHC OF LIGHTNING....20 PERCENT.  
MIN TEMPERATURE.....47-57 F.  
MAX HUMIDITY........55-65%.  
20-FOOT WINDS.......UPSLOPE/UPVALLEY 4 TO 8 MPH BECOMING  
DOWNSLOPE/DOWNVALLEY 3 TO 6 MPH BY SUNSET.  
CWR.................10 PERCENT.  
15K FT MSL WINDS....WEST 10 TO 15 MPH INCREASING TO SOUTHWEST 20 TO  
25 MPH AFTER MIDNIGHT.  
MIXING HEIGHT.......8500 FT AGL UNTIL 1900. 1500 FT AGL AFTER 2000.  
TRANSPORT WINDS.....WEST 5 MPH UNTIL 2400, THEN SOUTH.  
SMOKE DISPERSAL.....POOR.  
   
SUNDAY
 
 
SKY/WEATHER.........MOSTLY SUNNY (20-30%) UNTIL 1200, THEN PARTLY  
CLOUDY (30-40%). AREAS OF SMOKE UNTIL 1200.  
ISOLATED SHOWERS AND THUNDERSTORMS AFTER 1200.  
CHC OF LIGHTNING....20 PERCENT.  
MAX TEMPERATURE.....69-79 F.  
MIN HUMIDITY........17-27%.  
20-FOOT WINDS.......DOWNSLOPE/DOWNVALLEY 3 TO 6 MPH BECOMING  
UPSLOPE/UPVALLEY 4 TO 8 MPH BY 1100.  
CWR.................10 PERCENT.  
15K FT MSL WINDS....WEST 15 TO 20 MPH BECOMING SOUTHWEST 10 TO 15  
MPH IN THE AFTERNOON.  
MIXING HEIGHT.......2000 FT AGL UNTIL 0800, THEN 12000 FT AGL.  
TRANSPORT WINDS.....SOUTHWEST 5 TO 10 MPH.  
SMOKE DISPERSAL.....POOR UNTIL 0900. VERY GOOD AFTER 1200.  
   
FORECAST FOR DAY 3 THROUGH 7
 
   
MONDAY
 
MOSTLY CLEAR. ISOLATED SHOWERS AND THUNDERSTORMS. LOWS  
47-57. HIGHS 75-85. WINDS LESS THAN 15 MPH.    
TUESDAY
 
MOSTLY CLEAR. ISOLATED SHOWERS AND THUNDERSTORMS. LOWS  
47-57. HIGHS 77-87. WINDS LESS THAN 15 MPH.    
WEDNESDAY
 
MOSTLY CLEAR. ISOLATED SHOWERS AND THUNDERSTORMS.  
LOWS 48-58. HIGHS 79-89. WINDS LESS THAN 15 MPH.    
THURSDAY
 
MOSTLY CLEAR. ISOLATED SHOWERS AND THUNDERSTORMS.  
LOWS 49-59. HIGHS 79-89.    
FRIDAY
 
PARTLY CLOUDY. SCATTERED SHOWERS AND THUNDERSTORMS.  
LOWS 50-60. HIGHS 76-86.  
 

 
 
COZ202-161200-  
WHITE RIVER FORECAST AREA-  
154 PM MDT FRI AUG 15 2025  
   
TONIGHT
 
 
SKY/WEATHER.........MOSTLY CLOUDY (60-70%) UNTIL 2400, THEN PARTLY  
CLOUDY (40-50%). NEAR 6000 FEET, AREAS OF SMOKE  
UNTIL 2400, SCATTERED SHOWERS AND ISOLATED  
THUNDERSTORMS UNTIL 2400. NEAR 8000 FEET,  
SCATTERED SHOWERS AND THUNDERSTORMS UNTIL 2400,  
AREAS OF SMOKE. ISOLATED SHOWERS AFTER 2400.  
CHC OF LIGHTNING....20 PERCENT.  
MIN TEMPERATURE.....52-62 F.  
MAX HUMIDITY........60-75%.  
20-FOOT WINDS.......UPSLOPE/UPVALLEY 4 TO 8 MPH BECOMING  
DOWNSLOPE/DOWNVALLEY 3 TO 6 MPH BY SUNSET.  
CWR.................10 PERCENT.  
15K FT MSL WINDS....SOUTH 20 TO 25 MPH.  
MIXING HEIGHT.......7000 FT AGL UNTIL 2000, THEN 1500 FT AGL.  
TRANSPORT WINDS.....SOUTHWEST 5 TO 10 MPH.  
SMOKE DISPERSAL.....FAIR UNTIL 2100, THEN POOR.  
   
SATURDAY
 
 
SKY/WEATHER.........PARTLY CLOUDY (30-40%). NEAR 6000 FEET, AREAS  
OF SMOKE UNTIL 1200. NEAR 8000 FEET, AREAS OF  
SMOKE. ISOLATED SHOWERS AND THUNDERSTORMS UNTIL  
1200. SCATTERED SHOWERS AND THUNDERSTORMS AFTER  
1200.  
CHC OF LIGHTNING....30 PERCENT.  
MAX TEMPERATURE.....78-88 F NEAR 6000 FEET  
67-77 F NEAR 8000 FEET.  
MIN HUMIDITY........13-23% NEAR 6000 FEET  
22-32% NEAR 8000 FEET.  
20-FOOT WINDS.......UPSLOPE/UPVALLEY WINDS 4 TO 8 MPH. LOCALIZED  
GUSTS UP TO 20 MPH IN THE AFTERNOON.  
CWR.................10 PERCENT.  
15K FT MSL WINDS....WEST 20 TO 25 MPH DECREASING TO 10 TO 15 MPH IN  
THE AFTERNOON.  
MIXING HEIGHT.......2500 FT AGL UNTIL 1000, THEN 11500 FT AGL.  
TRANSPORT WINDS.....SOUTHWEST 5 TO 10 MPH.  
SMOKE DISPERSAL.....POOR UNTIL 0900. VERY GOOD AFTER 1200.  
   
SATURDAY NIGHT
 
 
SKY/WEATHER.........PARTLY CLOUDY (30-40%). AREAS OF SMOKE.  
ISOLATED SHOWERS AND THUNDERSTORMS UNTIL 2400.  
CHC OF LIGHTNING....20 PERCENT.  
MIN TEMPERATURE.....52-62 F.  
MAX HUMIDITY........51-61% NEAR 6000 FEET  
41-51% NEAR 8000 FEET.  
20-FOOT WINDS.......UPSLOPE/UPVALLEY 4 TO 8 MPH BECOMING  
DOWNSLOPE/DOWNVALLEY 3 TO 6 MPH BY SUNSET.  
CWR.................10 PERCENT.  
15K FT MSL WINDS....SOUTHWEST 15 TO 20 MPH.  
MIXING HEIGHT.......9500 FT AGL UNTIL 1900. 1000 FT AGL AFTER 2000.  
TRANSPORT WINDS.....WEST 5 TO 10 MPH UNTIL 2400, THEN SOUTHEAST.  
SMOKE DISPERSAL.....FAIR UNTIL 2100, THEN POOR.  
   
SUNDAY
 
 
SKY/WEATHER.........MOSTLY SUNNY (10-20%). AREAS OF SMOKE UNTIL  
1200. ISOLATED SHOWERS AND THUNDERSTORMS AFTER  
1200.  
CHC OF LIGHTNING....10 PERCENT.  
MAX TEMPERATURE.....79-89 F NEAR 6000 FEET  
70-80 F NEAR 8000 FEET.  
MIN HUMIDITY........10-15% NEAR 6000 FEET  
14-24% NEAR 8000 FEET.  
20-FOOT WINDS.......DOWNSLOPE/DOWNVALLEY 3 TO 6 MPH BECOMING  
UPSLOPE/UPVALLEY 4 TO 8 MPH BY 1100.  
CWR.................0 PERCENT.  
15K FT MSL WINDS....SOUTHWEST 15 TO 20 MPH.  
MIXING HEIGHT.......2500 FT AGL UNTIL 1000. 13000 FT AGL AFTER  
1200.  
TRANSPORT WINDS.....SOUTHWEST 5 MPH UNTIL 1200, THEN 10 TO 15 MPH.  
SMOKE DISPERSAL.....POOR UNTIL 0900. VERY GOOD AFTER 1200.  
   
FORECAST FOR DAY 3 THROUGH 7
 
   
MONDAY
 
CLEAR. LOWS 50-60. HIGHS 85-95. WINDS LESS THAN 15 MPH.   
TUESDAY
 
CLEAR. LOWS 51-61. HIGHS 88-98. WINDS LESS THAN  
15 MPH.    
WEDNESDAY
 
CLEAR. ISOLATED SHOWERS NEAR 6000 FEET AND ISOLATED  
SHOWERS AND THUNDERSTORMS NEAR 8000 FEET. LOWS 52-62. HIGHS  
89-99. WINDS LESS THAN 15 MPH.    
THURSDAY
 
MOSTLY CLEAR. ISOLATED SHOWERS AND THUNDERSTORMS.  
LOWS 53-63. HIGHS 90-100.    
FRIDAY
 
PARTLY CLOUDY. SCATTERED SHOWERS AND THUNDERSTORMS.  
LOWS 55-65. HIGHS 88-98.  
 

 
 
COZ203-161200-  
LOWER COLORADO RIVER-  
154 PM MDT FRI AUG 15 2025  
   
TONIGHT
 
 
SKY/WEATHER.........MOSTLY CLOUDY (60-70%) UNTIL 2400, THEN PARTLY  
CLOUDY (40-50%). AREAS OF SMOKE. SCATTERED  
SHOWERS AND THUNDERSTORMS UNTIL 2400, ISOLATED  
SHOWERS AFTER 2400.  
CHC OF LIGHTNING....40 PERCENT.  
MIN TEMPERATURE.....55-65 F NEAR 6000 FEET  
49-59 F NEAR 8000 FEET.  
MAX HUMIDITY........57-67%.  
20-FOOT WINDS.......UPSLOPE/UPVALLEY 4 TO 8 MPH BECOMING  
DOWNSLOPE/DOWNVALLEY 3 TO 6 MPH BY SUNSET.  
CWR.................30 PERCENT.  
15K FT MSL WINDS....SOUTH 20 TO 25 MPH.  
MIXING HEIGHT.......8000 FT AGL UNTIL 2000, THEN 2500 FT AGL.  
TRANSPORT WINDS.....SOUTH 5 MPH.  
SMOKE DISPERSAL.....FAIR UNTIL 2100, THEN POOR.  
   
SATURDAY
 
 
SKY/WEATHER.........PARTLY CLOUDY (30-40%). ISOLATED SHOWERS AND  
THUNDERSTORMS UNTIL 1200, THEN SCATTERED  
SHOWERS AND THUNDERSTORMS. AREAS OF SMOKE AFTER  
1200.  
CHC OF LIGHTNING....40 PERCENT.  
MAX TEMPERATURE.....79-89 F NEAR 6000 FEET  
70-80 F NEAR 8000 FEET.  
MIN HUMIDITY........16-26%.  
20-FOOT WINDS.......DOWNSLOPE/DOWNVALLEY 3 TO 6 MPH BECOMING  
UPSLOPE/UPVALLEY 4 TO 8 MPH BY 1100.  
CWR.................10 PERCENT.  
15K FT MSL WINDS....WEST 15 TO 20 MPH DECREASING TO 10 TO 15 MPH IN  
THE AFTERNOON.  
MIXING HEIGHT.......2500 FT AGL UNTIL 1000, THEN 11000 FT AGL.  
TRANSPORT WINDS.....SOUTH 5 MPH UNTIL 1200, THEN WEST.  
SMOKE DISPERSAL.....POOR UNTIL 0900. GOOD AFTER 1200.  
   
SATURDAY NIGHT
 
 
SKY/WEATHER.........PARTLY CLOUDY (30-40%). ISOLATED SHOWERS AND  
THUNDERSTORMS UNTIL 2400. AREAS OF SMOKE.  
CHC OF LIGHTNING....20 PERCENT.  
MIN TEMPERATURE.....57-67 F.  
MAX HUMIDITY........42-52%.  
20-FOOT WINDS.......UPSLOPE/UPVALLEY 4 TO 8 MPH BECOMING  
DOWNSLOPE/DOWNVALLEY 3 TO 6 MPH BY SUNSET.  
CWR.................10 PERCENT.  
15K FT MSL WINDS....SOUTHWEST 10 TO 15 MPH.  
MIXING HEIGHT.......9000 FT AGL UNTIL 2000, THEN 2000 FT AGL.  
TRANSPORT WINDS.....WEST 5 MPH UNTIL 2400, THEN EAST.  
SMOKE DISPERSAL.....POOR.  
   
SUNDAY
 
 
SKY/WEATHER.........MOSTLY SUNNY (20-30%). AREAS OF SMOKE UNTIL  
1200. ISOLATED SHOWERS AND THUNDERSTORMS AFTER  
1200.  
CHC OF LIGHTNING....10 PERCENT.  
MAX TEMPERATURE.....81-91 F NEAR 6000 FEET  
72-82 F NEAR 8000 FEET.  
MIN HUMIDITY........11-21%.  
20-FOOT WINDS.......DOWNSLOPE/DOWNVALLEY 3 TO 6 MPH BECOMING  
UPSLOPE/UPVALLEY 4 TO 8 MPH BY 1100.  
CWR.................0 PERCENT.  
15K FT MSL WINDS....SOUTHWEST 10 TO 15 MPH.  
MIXING HEIGHT.......3000 FT AGL UNTIL 1000. 12500 FT AGL AFTER  
1200.  
TRANSPORT WINDS.....SOUTH 5 MPH UNTIL 1200, THEN SOUTHWEST.  
SMOKE DISPERSAL.....POOR UNTIL 0900. VERY GOOD AFTER 1200.  
   
FORECAST FOR DAY 3 THROUGH 7
 
   
MONDAY
 
CLEAR. LOWS 56-66. HIGHS 86-96. WINDS LESS THAN 15 MPH.   
TUESDAY
 
CLEAR. ISOLATED SHOWERS AND THUNDERSTORMS. LOWS 57-67.  
HIGHS 89-99. WINDS LESS THAN 15 MPH.    
WEDNESDAY
 
MOSTLY CLEAR. ISOLATED SHOWERS AND THUNDERSTORMS.  
LOWS 59-69. HIGHS 90-100. WINDS LESS THAN 15 MPH.    
THURSDAY
 
MOSTLY CLEAR. ISOLATED SHOWERS AND THUNDERSTORMS.  
LOWS 60-70. HIGHS 90-100.    
FRIDAY
 
PARTLY CLOUDY. SCATTERED SHOWERS AND THUNDERSTORMS.  
LOWS 61-71. HIGHS 89-99.  
 

 
 
COZ205-161200-  
COLORADO RIVER HEADWATERS-  
154 PM MDT FRI AUG 15 2025  
   
TONIGHT
 
 
SKY/WEATHER.........MOSTLY CLOUDY (60-70%) UNTIL 2400, THEN PARTLY  
CLOUDY (50-60%). AREAS OF SMOKE. SCATTERED  
SHOWERS AND THUNDERSTORMS UNTIL 2400, ISOLATED  
SHOWERS AFTER 2400.  
CHC OF LIGHTNING....50 PERCENT.  
MIN TEMPERATURE.....46-56 F.  
MAX HUMIDITY........70-85%.  
20-FOOT WINDS.......UPSLOPE/UPVALLEY 4 TO 8 MPH BECOMING  
DOWNSLOPE/DOWNVALLEY 3 TO 6 MPH BY SUNSET.  
CWR.................30 PERCENT.  
15K FT MSL WINDS....SOUTHWEST 10 TO 15 MPH.  
MIXING HEIGHT.......5500 FT AGL UNTIL 2000, THEN 2000 FT AGL.  
TRANSPORT WINDS.....SOUTHWEST 5 MPH.  
SMOKE DISPERSAL.....POOR.  
   
SATURDAY
 
 
SKY/WEATHER.........PARTLY CLOUDY (40-50%) UNTIL 1200, THEN MOSTLY  
CLOUDY (60-70%). AREAS OF SMOKE. ISOLATED  
THUNDERSTORMS UNTIL 1200. SCATTERED SHOWERS.  
SCATTERED THUNDERSTORMS AFTER 1200.  
CHC OF LIGHTNING....50 PERCENT.  
MAX TEMPERATURE.....71-81 F.  
MIN HUMIDITY........22-32%.  
20-FOOT WINDS.......UPSLOPE/UPVALLEY WINDS 4 TO 8 MPH. LOCALIZED  
GUSTS UP TO 20 MPH IN THE AFTERNOON.  
CWR.................30 PERCENT.  
15K FT MSL WINDS....WEST 10 TO 15 MPH.  
MIXING HEIGHT.......3000 FT AGL UNTIL 1000, THEN 9000 FT AGL.  
TRANSPORT WINDS.....WEST 5 MPH.  
SMOKE DISPERSAL.....POOR UNTIL 0900. GOOD AFTER 1200.  
   
SATURDAY NIGHT
 
 
SKY/WEATHER.........PARTLY CLOUDY (30-40%). ISOLATED SHOWERS AND  
THUNDERSTORMS UNTIL 2400. AREAS OF SMOKE.  
CHC OF LIGHTNING....20 PERCENT.  
MIN TEMPERATURE.....49-59 F.  
MAX HUMIDITY........56-66%.  
20-FOOT WINDS.......UPSLOPE/UPVALLEY 4 TO 8 MPH BECOMING  
DOWNSLOPE/DOWNVALLEY 3 TO 6 MPH BY SUNSET.  
CWR.................10 PERCENT.  
15K FT MSL WINDS....WEST 10 TO 15 MPH.  
MIXING HEIGHT.......8500 FT AGL UNTIL 1900. 2000 FT AGL AFTER 2000.  
TRANSPORT WINDS.....WEST 5 MPH UNTIL 2400, THEN SOUTH.  
SMOKE DISPERSAL.....POOR.  
   
SUNDAY
 
 
SKY/WEATHER.........MOSTLY SUNNY (10-20%) UNTIL 1200, THEN PARTLY  
CLOUDY (30-40%). AREAS OF SMOKE UNTIL 1200.  
ISOLATED SHOWERS AND THUNDERSTORMS AFTER 1200.  
CHC OF LIGHTNING....20 PERCENT.  
MAX TEMPERATURE.....74-84 F.  
MIN HUMIDITY........15-25%.  
20-FOOT WINDS.......DOWNSLOPE/DOWNVALLEY 3 TO 6 MPH BECOMING  
UPSLOPE/UPVALLEY 4 TO 8 MPH BY 1100.  
CWR.................10 PERCENT.  
15K FT MSL WINDS....SOUTHWEST 10 TO 15 MPH.  
MIXING HEIGHT.......7000 FT AGL UNTIL 1200, THEN 11500 FT AGL.  
TRANSPORT WINDS.....SOUTHWEST 5 MPH.  
SMOKE DISPERSAL.....POOR UNTIL 0900. VERY GOOD AFTER 1200.  
   
FORECAST FOR DAY 3 THROUGH 7
 
   
MONDAY
 
MOSTLY CLEAR. ISOLATED SHOWERS AND THUNDERSTORMS. LOWS  
47-57. HIGHS 76-86. WINDS LESS THAN 15 MPH.    
TUESDAY
 
MOSTLY CLEAR. ISOLATED SHOWERS AND THUNDERSTORMS. LOWS  
47-57. HIGHS 79-89. WINDS LESS THAN 15 MPH.    
WEDNESDAY
 
MOSTLY CLEAR. ISOLATED SHOWERS AND THUNDERSTORMS.  
LOWS 48-58. HIGHS 80-90. WINDS LESS THAN 15 MPH.    
THURSDAY
 
MOSTLY CLEAR. ISOLATED SHOWERS AND THUNDERSTORMS.  
LOWS 49-59. HIGHS 80-90.    
FRIDAY
 
PARTLY CLOUDY. SCATTERED SHOWERS AND THUNDERSTORMS.  
LOWS 50-60. HIGHS 78-88.  
 

 
 
COZ290-161200-  
PARADOX VALLEY FORECAST AREA-  
154 PM MDT FRI AUG 15 2025  
   
TONIGHT
 
 
SKY/WEATHER.........MOSTLY CLOUDY (60-70%) UNTIL 2400, THEN PARTLY  
CLOUDY (30-40%). NEAR 6000 FEET, SCATTERED  
SHOWERS AND ISOLATED THUNDERSTORMS UNTIL 2400.  
NEAR 8000 FEET, SCATTERED SHOWERS AND  
THUNDERSTORMS UNTIL 2400, AREAS OF SMOKE AFTER  
2400. ISOLATED SHOWERS AFTER 2400.  
CHC OF LIGHTNING....20 PERCENT.  
MIN TEMPERATURE.....53-63 F NEAR 6000 FEET  
47-57 F NEAR 8000 FEET.  
MAX HUMIDITY........54-64% NEAR 6000 FEET  
70-85% NEAR 8000 FEET.  
20-FOOT WINDS.......UPSLOPE/UPVALLEY 4 TO 8 MPH BECOMING  
DOWNSLOPE/DOWNVALLEY 3 TO 6 MPH BY SUNSET.  
CWR.................20 PERCENT.  
15K FT MSL WINDS....SOUTH 20 TO 30 MPH BECOMING SOUTHWEST 15 TO 20  
MPH AFTER MIDNIGHT.  
MIXING HEIGHT.......7000 FT AGL UNTIL 2000, THEN 2000 FT AGL.  
TRANSPORT WINDS.....WEST 5 TO 10 MPH UNTIL 2400, THEN SOUTHEAST.  
SMOKE DISPERSAL.....FAIR UNTIL 2100, THEN POOR.  
   
SATURDAY
 
 
SKY/WEATHER.........NEAR 6000 FEET, MOSTLY SUNNY (20-30%) UNTIL  
1200. MOSTLY CLOUDY (60-70%) AFTER 1200. NEAR  
8000 FEET, PARTLY CLOUDY (30-40%) UNTIL 1200.  
ISOLATED SHOWERS AND THUNDERSTORMS UNTIL 1200,  
THEN SCATTERED SHOWERS AND THUNDERSTORMS.  
CHC OF LIGHTNING....40 PERCENT.  
MAX TEMPERATURE.....78-88 F NEAR 6000 FEET  
67-77 F NEAR 8000 FEET.  
MIN HUMIDITY........16-26% NEAR 6000 FEET  
22-32% NEAR 8000 FEET.  
20-FOOT WINDS.......DOWNSLOPE/DOWNVALLEY 3 TO 6 MPH BECOMING  
UPSLOPE/UPVALLEY 4 TO 8 MPH BY 1100.  
CWR.................10 PERCENT.  
15K FT MSL WINDS....NORTHWEST 10 TO 15 MPH BECOMING WEST 5 TO 10  
MPH IN THE AFTERNOON.  
MIXING HEIGHT.......1500 FT AGL UNTIL 0900, THEN 10500 FT AGL.  
TRANSPORT WINDS.....SOUTH 5 MPH UNTIL 1200, THEN WEST.  
SMOKE DISPERSAL.....POOR UNTIL 0900. FAIR AFTER 1200.  
   
SATURDAY NIGHT
 
 
SKY/WEATHER.........PARTLY CLOUDY (30-40%). ISOLATED SHOWERS AND  
THUNDERSTORMS UNTIL 2400.  
CHC OF LIGHTNING....10 PERCENT.  
MIN TEMPERATURE.....54-64 F NEAR 6000 FEET  
49-59 F NEAR 8000 FEET.  
MAX HUMIDITY........40-50% NEAR 6000 FEET  
55-65% NEAR 8000 FEET.  
20-FOOT WINDS.......UPSLOPE/UPVALLEY 4 TO 8 MPH BECOMING  
DOWNSLOPE/DOWNVALLEY 3 TO 6 MPH BY SUNSET.  
CWR.................0 PERCENT.  
15K FT MSL WINDS....SOUTHWEST 10 TO 15 MPH.  
MIXING HEIGHT.......9000 FT AGL UNTIL 2000, THEN 1500 FT AGL.  
TRANSPORT WINDS.....WEST 5 MPH UNTIL 2400, THEN SOUTHEAST.  
SMOKE DISPERSAL.....POOR.  
   
SUNDAY
 
 
SKY/WEATHER.........NEAR 6000 FEET, MOSTLY SUNNY (10-20%). NEAR  
8000 FEET, MOSTLY SUNNY (10-20%) UNTIL 1200,  
THEN PARTLY CLOUDY (30-40%). ISOLATED SHOWERS  
AND THUNDERSTORMS AFTER 1200.  
CHC OF LIGHTNING....10 PERCENT.  
MAX TEMPERATURE.....80-90 F NEAR 6000 FEET  
69-79 F NEAR 8000 FEET.  
MIN HUMIDITY........12-17% NEAR 6000 FEET  
16-26% NEAR 8000 FEET.  
20-FOOT WINDS.......DOWNSLOPE/DOWNVALLEY 3 TO 6 MPH BECOMING  
UPSLOPE/UPVALLEY 4 TO 8 MPH BY 1100.  
CWR.................10 PERCENT.  
15K FT MSL WINDS....SOUTHWEST 10 TO 15 MPH.  
MIXING HEIGHT.......3000 FT AGL UNTIL 1000. 12500 FT AGL AFTER  
1200.  
TRANSPORT WINDS.....SOUTHWEST 5 MPH.  
SMOKE DISPERSAL.....POOR UNTIL 0900. GOOD AFTER 1200.  
   
FORECAST FOR DAY 3 THROUGH 7
 
   
MONDAY
 
MOSTLY CLEAR. ISOLATED SHOWERS AND THUNDERSTORMS NEAR  
8000 FEET. LOWS 56-66. HIGHS 86-96. WINDS LESS THAN 15 MPH.    
TUESDAY
 
MOSTLY CLEAR. ISOLATED SHOWERS AND THUNDERSTORMS NEAR  
6000 FEET AND SCATTERED SHOWERS AND THUNDERSTORMS NEAR 8000 FEET.  
LOWS 58-68. HIGHS 90-100. WINDS LESS THAN 15 MPH.    
WEDNESDAY
 
MOSTLY CLEAR. SCATTERED SHOWERS AND THUNDERSTORMS.  
LOWS 59-69. HIGHS 90-100. WINDS LESS THAN 15 MPH.    
THURSDAY
 
PARTLY CLOUDY. SCATTERED SHOWERS AND THUNDERSTORMS.  
LOWS 60-70. HIGHS 90-100.    
FRIDAY
 
PARTLY CLOUDY. SCATTERED SHOWERS AND THUNDERSTORMS.  
LOWS 60-70. HIGHS 89-99.  
 

 
 
COZ291-161200-  
NORTHERN SAN JUAN FORECAST AREA-  
154 PM MDT FRI AUG 15 2025  
   
TONIGHT
 
 
SKY/WEATHER.........MOSTLY CLOUDY (60-70%) UNTIL 2400, THEN PARTLY  
CLOUDY (50-60%). AREAS OF SMOKE. SCATTERED  
THUNDERSTORMS UNTIL 2400. SCATTERED SHOWERS.  
CHC OF LIGHTNING....50 PERCENT.  
MIN TEMPERATURE.....45-55 F.  
MAX HUMIDITY........69-84%.  
20-FOOT WINDS.......UPSLOPE/UPVALLEY 4 TO 8 MPH BECOMING  
DOWNSLOPE/DOWNVALLEY 3 TO 6 MPH BY SUNSET.  
CWR.................30 PERCENT.  
15K FT MSL WINDS....SOUTHWEST 15 TO 20 MPH.  
MIXING HEIGHT.......5500 FT AGL UNTIL 2000, THEN 2500 FT AGL.  
TRANSPORT WINDS.....SOUTH 5 MPH.  
SMOKE DISPERSAL.....POOR.  
   
SATURDAY
 
 
SKY/WEATHER.........PARTLY CLOUDY (40-50%) UNTIL 1200, THEN MOSTLY  
CLOUDY (70-80%). ISOLATED SHOWERS AND  
THUNDERSTORMS UNTIL 1200, THEN NUMEROUS SHOWERS  
AND SCATTERED THUNDERSTORMS.  
CHC OF LIGHTNING....50 PERCENT.  
MAX TEMPERATURE.....69-79 F.  
MIN HUMIDITY........23-33%.  
20-FOOT WINDS.......DOWNSLOPE/DOWNVALLEY 3 TO 6 MPH BECOMING  
UPSLOPE/UPVALLEY 4 TO 8 MPH BY 1100.  
CWR.................10 PERCENT.  
15K FT MSL WINDS....WEST 10 TO 15 MPH DECREASING TO 5 TO 10 MPH IN  
THE AFTERNOON.  
MIXING HEIGHT.......2500 FT AGL UNTIL 0900, THEN 9500 FT AGL.  
TRANSPORT WINDS.....WEST 5 TO 10 MPH.  
SMOKE DISPERSAL.....POOR UNTIL 0900, THEN FAIR.  
   
SATURDAY NIGHT
 
 
SKY/WEATHER.........PARTLY CLOUDY (30-40%). ISOLATED SHOWERS AND  
THUNDERSTORMS UNTIL 2400.  
CHC OF LIGHTNING....10 PERCENT.  
MIN TEMPERATURE.....46-56 F.  
MAX HUMIDITY........57-67%.  
20-FOOT WINDS.......UPSLOPE/UPVALLEY 4 TO 8 MPH BECOMING  
DOWNSLOPE/DOWNVALLEY 3 TO 6 MPH BY SUNSET.  
CWR.................10 PERCENT.  
15K FT MSL WINDS....SOUTHWEST 5 TO 10 MPH.  
MIXING HEIGHT.......7500 FT AGL UNTIL 2000, THEN 2000 FT AGL.  
TRANSPORT WINDS.....WEST 5 MPH UNTIL 2400, THEN SOUTH.  
SMOKE DISPERSAL.....POOR.  
   
SUNDAY
 
 
SKY/WEATHER.........MOSTLY SUNNY (10-20%) UNTIL 1200, THEN PARTLY  
CLOUDY (40-50%). SCATTERED SHOWERS AND  
THUNDERSTORMS AFTER 1200.  
CHC OF LIGHTNING....30 PERCENT.  
MAX TEMPERATURE.....71-81 F.  
MIN HUMIDITY........18-28%.  
20-FOOT WINDS.......DOWNSLOPE/DOWNVALLEY 3 TO 6 MPH BECOMING  
UPSLOPE/UPVALLEY 4 TO 8 MPH BY 1100.  
CWR.................10 PERCENT.  
15K FT MSL WINDS....SOUTHWEST 10 TO 15 MPH.  
MIXING HEIGHT.......11000 FT AGL.  
TRANSPORT WINDS.....SOUTHWEST 5 MPH.  
SMOKE DISPERSAL.....POOR UNTIL 0900. GOOD AFTER 1200.  
   
FORECAST FOR DAY 3 THROUGH 7
 
   
MONDAY
 
MOSTLY CLEAR. ISOLATED SHOWERS AND THUNDERSTORMS. LOWS  
47-57. HIGHS 77-87. WINDS LESS THAN 15 MPH.    
TUESDAY
 
MOSTLY CLEAR. SCATTERED SHOWERS AND THUNDERSTORMS.  
LOWS 49-59. HIGHS 79-89. WINDS LESS THAN 15 MPH.    
WEDNESDAY
 
PARTLY CLOUDY. SCATTERED SHOWERS AND THUNDERSTORMS.  
LOWS 50-60. HIGHS 80-90. WINDS LESS THAN 15 MPH.    
THURSDAY
 
PARTLY CLOUDY. SCATTERED SHOWERS AND THUNDERSTORMS.  
LOWS 50-60. HIGHS 80-90.    
FRIDAY
 
PARTLY CLOUDY. NUMEROUS SHOWERS AND SCATTERED  
THUNDERSTORMS. LOWS 51-61. HIGHS 78-88.  
 

 
 
COZ292-161200-  
NORTH FORK FORECAST AREA-  
154 PM MDT FRI AUG 15 2025  
   
TONIGHT
 
 
SKY/WEATHER.........MOSTLY CLOUDY (60-70%) UNTIL 2400, THEN PARTLY  
CLOUDY (50-60%). NEAR 6000 FEET, SCATTERED  
SHOWERS AND THUNDERSTORMS UNTIL 2400, THEN  
ISOLATED SHOWERS. NEAR 8000 FEET, AREAS OF  
SMOKE UNTIL 2400, SCATTERED THUNDERSTORMS UNTIL  
2400. SCATTERED SHOWERS.  
CHC OF LIGHTNING....40 PERCENT.  
MIN TEMPERATURE.....51-61 F NEAR 6000 FEET  
47-57 F NEAR 8000 FEET.  
MAX HUMIDITY........63-78%.  
20-FOOT WINDS.......DOWNSLOPE/DOWNVALLEY WINDS 3 TO 6 MPH.  
LOCALIZED GUSTS UP TO 20 MPH IN THE EVENING.  
CWR.................20 PERCENT.  
15K FT MSL WINDS....SOUTHWEST 15 TO 20 MPH.  
MIXING HEIGHT.......6000 FT AGL UNTIL 2000, THEN 2000 FT AGL.  
TRANSPORT WINDS.....SOUTH 5 MPH.  
SMOKE DISPERSAL.....POOR.  
   
SATURDAY
 
 
SKY/WEATHER.........NEAR 6000 FEET, PARTLY CLOUDY (40-50%). NEAR  
8000 FEET, PARTLY CLOUDY (40-50%) UNTIL 1200,  
THEN MOSTLY CLOUDY (60-70%). ISOLATED SHOWERS  
AND THUNDERSTORMS UNTIL 1200. SCATTERED SHOWERS  
AND THUNDERSTORMS AFTER 1200.  
CHC OF LIGHTNING....40 PERCENT.  
MAX TEMPERATURE.....79-89 F NEAR 6000 FEET  
70-80 F NEAR 8000 FEET.  
MIN HUMIDITY........20-30%.  
20-FOOT WINDS.......DOWNSLOPE/DOWNVALLEY 3 TO 6 MPH BECOMING  
UPSLOPE/UPVALLEY 4 TO 8 MPH BY 1100.  
CWR.................10 PERCENT.  
15K FT MSL WINDS....WEST 10 TO 15 MPH.  
MIXING HEIGHT.......2500 FT AGL UNTIL 1000, THEN 10500 FT AGL.  
TRANSPORT WINDS.....SOUTH 5 MPH UNTIL 1200, THEN WEST.  
SMOKE DISPERSAL.....POOR UNTIL 0900. FAIR AFTER 1200.  
   
SATURDAY NIGHT
 
 
SKY/WEATHER.........PARTLY CLOUDY (30-40%). ISOLATED SHOWERS AND  
THUNDERSTORMS UNTIL 2400.  
CHC OF LIGHTNING....10 PERCENT.  
MIN TEMPERATURE.....52-62 F NEAR 6000 FEET  
49-59 F NEAR 8000 FEET.  
MAX HUMIDITY........49-59%.  
20-FOOT WINDS.......UPSLOPE/UPVALLEY 4 TO 8 MPH BECOMING  
DOWNSLOPE/DOWNVALLEY 3 TO 6 MPH BY SUNSET.  
CWR.................10 PERCENT.  
15K FT MSL WINDS....SOUTHWEST 5 TO 10 MPH.  
MIXING HEIGHT.......8000 FT AGL UNTIL 2000, THEN 2000 FT AGL.  
TRANSPORT WINDS.....WEST 5 MPH UNTIL 2400, THEN SOUTH.  
SMOKE DISPERSAL.....POOR.  
   
SUNDAY
 
 
SKY/WEATHER.........NEAR 6000 FEET, MOSTLY SUNNY (20-30%). NEAR  
8000 FEET, MOSTLY SUNNY (10-20%) UNTIL 1200,  
THEN PARTLY CLOUDY (30-40%). ISOLATED SHOWERS  
AND THUNDERSTORMS AFTER 1200.  
CHC OF LIGHTNING....10 PERCENT.  
MAX TEMPERATURE.....81-91 F NEAR 6000 FEET  
72-82 F NEAR 8000 FEET.  
MIN HUMIDITY........13-23%.  
20-FOOT WINDS.......DOWNSLOPE/DOWNVALLEY 3 TO 6 MPH BECOMING  
UPSLOPE/UPVALLEY 4 TO 8 MPH BY 1100.  
CWR.................10 PERCENT.  
15K FT MSL WINDS....SOUTHWEST 10 TO 15 MPH.  
MIXING HEIGHT.......3500 FT AGL UNTIL 1000, THEN 12500 FT AGL.  
TRANSPORT WINDS.....SOUTH 5 MPH UNTIL 1200, THEN SOUTHWEST.  
SMOKE DISPERSAL.....POOR UNTIL 0900. GOOD AFTER 1200.  
   
FORECAST FOR DAY 3 THROUGH 7
 
   
MONDAY
 
MOSTLY CLEAR. ISOLATED SHOWERS AND THUNDERSTORMS NEAR  
8000 FEET. LOWS 55-65. HIGHS 87-97. WINDS LESS THAN 15 MPH.    
TUESDAY
 
MOSTLY CLEAR. ISOLATED SHOWERS AND THUNDERSTORMS. LOWS  
56-66. HIGHS 89-99. WINDS LESS THAN 15 MPH.    
WEDNESDAY
 
MOSTLY CLEAR. ISOLATED SHOWERS AND THUNDERSTORMS  
NEAR 6000 FEET AND SCATTERED SHOWERS AND THUNDERSTORMS NEAR  
8000 FEET. LOWS 57-67. HIGHS 90-100. WINDS LESS THAN 15 MPH.    
THURSDAY
 
MOSTLY CLEAR. ISOLATED SHOWERS AND THUNDERSTORMS NEAR  
6000 FEET AND SCATTERED SHOWERS AND THUNDERSTORMS NEAR 8000 FEET.  
LOWS 58-68. HIGHS 90-100.    
FRIDAY
 
PARTLY CLOUDY. SCATTERED SHOWERS AND THUNDERSTORMS.  
LOWS 58-68. HIGHS 89-99.  
 

 
 
COZ293-161200-  
GUNNISON BASIN FORECAST AREA-  
154 PM MDT FRI AUG 15 2025  
   
TONIGHT
 
 
SKY/WEATHER.........MOSTLY CLOUDY (60-70%) UNTIL 2400, THEN PARTLY  
CLOUDY (50-60%). SCATTERED THUNDERSTORMS UNTIL  
2400. SCATTERED SHOWERS.  
CHC OF LIGHTNING....50 PERCENT.  
MIN TEMPERATURE.....46-56 F.  
MAX HUMIDITY........72-87%.  
20-FOOT WINDS.......UPSLOPE/UPVALLEY 4 TO 8 MPH BECOMING  
DOWNSLOPE/DOWNVALLEY 3 TO 6 MPH BY SUNSET.  
CWR.................40 PERCENT.  
15K FT MSL WINDS....SOUTHWEST 10 TO 15 MPH INCREASING TO 15 TO 20  
MPH AFTER MIDNIGHT.  
MIXING HEIGHT.......6000 FT AGL UNTIL 2000, THEN 2000 FT AGL.  
TRANSPORT WINDS.....SOUTHWEST 5 MPH.  
SMOKE DISPERSAL.....POOR.  
   
SATURDAY
 
 
SKY/WEATHER.........PARTLY CLOUDY (40-50%) UNTIL 1200, THEN MOSTLY  
CLOUDY (60-70%). ISOLATED SHOWERS AND  
THUNDERSTORMS UNTIL 1200, THEN SCATTERED  
SHOWERS AND THUNDERSTORMS.  
CHC OF LIGHTNING....40 PERCENT.  
MAX TEMPERATURE.....72-82 F.  
MIN HUMIDITY........23-33%.  
20-FOOT WINDS.......UPSLOPE/UPVALLEY WINDS 4 TO 8 MPH. LOCALIZED  
GUSTS UP TO 25 MPH IN THE AFTERNOON.  
CWR.................20 PERCENT.  
15K FT MSL WINDS....WEST 10 TO 15 MPH.  
MIXING HEIGHT.......3000 FT AGL UNTIL 1000, THEN 10000 FT AGL.  
TRANSPORT WINDS.....WEST 5 MPH.  
SMOKE DISPERSAL.....POOR UNTIL 0900. GOOD AFTER 1200.  
   
SATURDAY NIGHT
 
 
SKY/WEATHER.........PARTLY CLOUDY (30-40%). ISOLATED SHOWERS AND  
THUNDERSTORMS UNTIL 2400.  
CHC OF LIGHTNING....10 PERCENT.  
MIN TEMPERATURE.....48-58 F.  
MAX HUMIDITY........56-71%.  
20-FOOT WINDS.......UPSLOPE/UPVALLEY 4 TO 8 MPH BECOMING  
DOWNSLOPE/DOWNVALLEY 3 TO 6 MPH BY SUNSET.  
CWR.................10 PERCENT.  
15K FT MSL WINDS....WEST 5 TO 10 MPH.  
MIXING HEIGHT.......7500 FT AGL UNTIL 2000, THEN 2000 FT AGL.  
TRANSPORT WINDS.....NORTHWEST 5 MPH.  
SMOKE DISPERSAL.....POOR.  
   
SUNDAY
 
 
SKY/WEATHER.........MOSTLY SUNNY (10-20%) UNTIL 1200, THEN PARTLY  
CLOUDY (30-40%). ISOLATED SHOWERS AND  
THUNDERSTORMS AFTER 1200.  
CHC OF LIGHTNING....20 PERCENT.  
MAX TEMPERATURE.....75-85 F.  
MIN HUMIDITY........16-26%.  
20-FOOT WINDS.......UPSLOPE/UPVALLEY WINDS 4 TO 8 MPH. LOCALIZED  
GUSTS UP TO 20 MPH IN THE AFTERNOON.  
CWR.................10 PERCENT.  
15K FT MSL WINDS....WEST 5 TO 10 MPH.  
MIXING HEIGHT.......7000 FT AGL UNTIL 1200, THEN 11000 FT AGL.  
TRANSPORT WINDS.....WEST 5 MPH.  
SMOKE DISPERSAL.....POOR UNTIL 0900. GOOD AFTER 1200.  
   
FORECAST FOR DAY 3 THROUGH 7
 
   
MONDAY
 
MOSTLY CLEAR. ISOLATED SHOWERS AND THUNDERSTORMS. LOWS  
45-55. HIGHS 77-87. WINDS LESS THAN 15 MPH.    
TUESDAY
 
MOSTLY CLEAR. ISOLATED SHOWERS AND THUNDERSTORMS. LOWS  
46-56. HIGHS 79-89. WINDS LESS THAN 15 MPH.    
WEDNESDAY
 
MOSTLY CLEAR. ISOLATED SHOWERS AND THUNDERSTORMS.  
LOWS 47-57. HIGHS 80-90. WINDS LESS THAN 15 MPH.    
THURSDAY
 
MOSTLY CLEAR. ISOLATED SHOWERS AND THUNDERSTORMS.  
LOWS 48-58. HIGHS 80-90.    
FRIDAY
 
PARTLY CLOUDY. SCATTERED SHOWERS AND THUNDERSTORMS.  
LOWS 48-58. HIGHS 79-89.  
 

 
 
COZ207-161200-  
SOUTHWEST COLORADO LOWER FORECAST AREA-  
154 PM MDT FRI AUG 15 2025  
   
TONIGHT
 
 
SKY/WEATHER.........PARTLY CLOUDY (50-60%). SCATTERED SHOWERS AND  
ISOLATED THUNDERSTORMS UNTIL 2400, THEN  
ISOLATED SHOWERS.  
CHC OF LIGHTNING....20 PERCENT.  
MIN TEMPERATURE.....53-63 F.  
MAX HUMIDITY........61-76%.  
20-FOOT WINDS.......UPSLOPE/UPVALLEY 4 TO 8 MPH BECOMING  
DOWNSLOPE/DOWNVALLEY 3 TO 6 MPH BY SUNSET.  
CWR.................10 PERCENT.  
15K FT MSL WINDS....SOUTH 20 TO 25 MPH BECOMING WEST 15 TO 20 MPH  
AFTER MIDNIGHT.  
MIXING HEIGHT.......7500 FT AGL UNTIL 2000, THEN 2000 FT AGL.  
TRANSPORT WINDS.....WEST 5 TO 10 MPH UNTIL 2400, THEN EAST.  
SMOKE DISPERSAL.....FAIR UNTIL 2100, THEN POOR.  
   
SATURDAY
 
 
SKY/WEATHER.........MOSTLY SUNNY (20-30%) UNTIL 1200, THEN PARTLY  
CLOUDY (30-40%). ISOLATED SHOWERS AND  
THUNDERSTORMS UNTIL 1200, THEN SCATTERED  
SHOWERS AND THUNDERSTORMS.  
CHC OF LIGHTNING....20 PERCENT.  
MAX TEMPERATURE.....80-90 F.  
MIN HUMIDITY........14-24%.  
20-FOOT WINDS.......DOWNSLOPE/DOWNVALLEY 3 TO 6 MPH BECOMING  
UPSLOPE/UPVALLEY 4 TO 8 MPH BY 1100.  
CWR.................10 PERCENT.  
15K FT MSL WINDS....NORTHWEST 10 TO 15 MPH BECOMING WEST 5 TO 10  
MPH IN THE AFTERNOON.  
MIXING HEIGHT.......2500 FT AGL UNTIL 1000, THEN 10500 FT AGL.  
TRANSPORT WINDS.....SOUTH 5 MPH UNTIL 1200, THEN WEST.  
SMOKE DISPERSAL.....POOR UNTIL 0900. GOOD AFTER 1200.  
   
SATURDAY NIGHT
 
 
SKY/WEATHER.........MOSTLY CLEAR (20-30%). ISOLATED SHOWERS AND  
THUNDERSTORMS UNTIL 2400.  
CHC OF LIGHTNING....10 PERCENT.  
MIN TEMPERATURE.....54-64 F.  
MAX HUMIDITY........48-58%.  
20-FOOT WINDS.......UPSLOPE/UPVALLEY 4 TO 8 MPH BECOMING  
DOWNSLOPE/DOWNVALLEY 3 TO 6 MPH BY SUNSET.  
CWR.................0 PERCENT.  
15K FT MSL WINDS....SOUTHWEST 5 TO 10 MPH.  
MIXING HEIGHT.......9500 FT AGL UNTIL 2000, THEN 1500 FT AGL.  
TRANSPORT WINDS.....WEST 5 TO 10 MPH UNTIL 2400, THEN NORTH.  
SMOKE DISPERSAL.....FAIR UNTIL 2100, THEN POOR.  
   
SUNDAY
 
 
SKY/WEATHER.........MOSTLY SUNNY (10-20%). ISOLATED SHOWERS AND  
THUNDERSTORMS AFTER 1200.  
CHC OF LIGHTNING....10 PERCENT.  
MAX TEMPERATURE.....82-92 F.  
MIN HUMIDITY........11-21%.  
20-FOOT WINDS.......UPSLOPE/UPVALLEY WINDS 4 TO 8 MPH. LOCALIZED  
GUSTS UP TO 20 MPH IN THE AFTERNOON.  
CWR.................0 PERCENT.  
15K FT MSL WINDS....SOUTHWEST 10 TO 15 MPH.  
MIXING HEIGHT.......3000 FT AGL UNTIL 1000. 12500 FT AGL AFTER  
1200.  
TRANSPORT WINDS.....WEST 5 MPH.  
SMOKE DISPERSAL.....POOR UNTIL 0900. GOOD AFTER 1200.  
   
FORECAST FOR DAY 3 THROUGH 7
 
   
MONDAY
 
CLEAR. LOWS 53-63. HIGHS 87-97. WINDS LESS THAN 15 MPH.   
TUESDAY
 
MOSTLY CLEAR. ISOLATED SHOWERS AND THUNDERSTORMS. LOWS  
54-64. HIGHS 90-100. WINDS LESS THAN 15 MPH.    
WEDNESDAY
 
MOSTLY CLEAR. SCATTERED THUNDERSTORMS AND ISOLATED  
SHOWERS. LOWS 56-66. HIGHS 90-100. WINDS LESS THAN 15 MPH.    
THURSDAY
 
MOSTLY CLEAR. ISOLATED SHOWERS AND THUNDERSTORMS.  
LOWS 57-67. HIGHS 91-101.    
FRIDAY
 
PARTLY CLOUDY. SCATTERED SHOWERS AND THUNDERSTORMS.  
LOWS 57-67. HIGHS 90-100.  
 

 
 
COZ294-161200-  
SOUTHWEST COLORADO UPPER WEST FORECAST AREA-  
154 PM MDT FRI AUG 15 2025  
   
TONIGHT
 
 
SKY/WEATHER.........MOSTLY CLOUDY (60-70%) UNTIL 2400, THEN PARTLY  
CLOUDY (40-50%). AREAS OF SMOKE. SCATTERED  
SHOWERS AND THUNDERSTORMS UNTIL 2400, ISOLATED  
SHOWERS AFTER 2400.  
CHC OF LIGHTNING....40 PERCENT.  
MIN TEMPERATURE.....49-59 F.  
MAX HUMIDITY........73-88%.  
20-FOOT WINDS.......UPSLOPE/UPVALLEY 4 TO 8 MPH BECOMING  
DOWNSLOPE/DOWNVALLEY 3 TO 6 MPH BY SUNSET.  
CWR.................20 PERCENT.  
15K FT MSL WINDS....SOUTH 20 TO 25 MPH BECOMING WEST 15 TO 20 MPH  
AFTER MIDNIGHT.  
MIXING HEIGHT.......5500 FT AGL UNTIL 2000, THEN 1500 FT AGL.  
TRANSPORT WINDS.....WEST 5 TO 10 MPH UNTIL 2400, THEN SOUTHEAST.  
SMOKE DISPERSAL.....FAIR UNTIL 2100, THEN POOR.  
   
SATURDAY
 
 
SKY/WEATHER.........PARTLY CLOUDY (30-40%) UNTIL 1200, THEN MOSTLY  
CLOUDY (60-70%). ISOLATED SHOWERS AND  
THUNDERSTORMS UNTIL 1200, THEN SCATTERED  
SHOWERS AND THUNDERSTORMS. AREAS OF SMOKE AFTER  
1200.  
CHC OF LIGHTNING....40 PERCENT.  
MAX TEMPERATURE.....69-79 F.  
MIN HUMIDITY........20-30%.  
20-FOOT WINDS.......DOWNSLOPE/DOWNVALLEY 3 TO 6 MPH BECOMING  
UPSLOPE/UPVALLEY 4 TO 8 MPH BY 1100.  
CWR.................10 PERCENT.  
15K FT MSL WINDS....NORTHWEST 15 TO 20 MPH BECOMING WEST 5 TO 10  
MPH IN THE AFTERNOON.  
MIXING HEIGHT.......1500 FT AGL UNTIL 0900. 9500 FT AGL AFTER 1000.  
TRANSPORT WINDS.....NORTHWEST 5 MPH.  
SMOKE DISPERSAL.....POOR UNTIL 0900. GOOD AFTER 1200.  
   
SATURDAY NIGHT
 
 
SKY/WEATHER.........PARTLY CLOUDY (30-40%). ISOLATED SHOWERS AND  
THUNDERSTORMS UNTIL 2400. AREAS OF SMOKE.  
CHC OF LIGHTNING....10 PERCENT.  
MIN TEMPERATURE.....51-61 F.  
MAX HUMIDITY........57-72%.  
20-FOOT WINDS.......UPSLOPE/UPVALLEY 4 TO 8 MPH BECOMING  
DOWNSLOPE/DOWNVALLEY 3 TO 6 MPH BY SUNSET.  
CWR.................10 PERCENT.  
15K FT MSL WINDS....WEST 5 TO 10 MPH.  
MIXING HEIGHT.......8000 FT AGL UNTIL 2000, THEN 1000 FT AGL.  
TRANSPORT WINDS.....NORTHWEST 5 MPH UNTIL 2400, THEN NORTH.  
SMOKE DISPERSAL.....POOR.  
   
SUNDAY
 
 
SKY/WEATHER.........MOSTLY SUNNY (10-20%) UNTIL 1200, THEN PARTLY  
CLOUDY (30-40%). AREAS OF SMOKE UNTIL 1200.  
ISOLATED SHOWERS AND THUNDERSTORMS AFTER 1200.  
CHC OF LIGHTNING....20 PERCENT.  
MAX TEMPERATURE.....71-81 F.  
MIN HUMIDITY........14-24%.  
20-FOOT WINDS.......DOWNSLOPE/DOWNVALLEY 3 TO 6 MPH BECOMING  
UPSLOPE/UPVALLEY 4 TO 8 MPH BY 1100.  
CWR.................10 PERCENT.  
15K FT MSL WINDS....SOUTHWEST 5 TO 10 MPH.  
MIXING HEIGHT.......10500 FT AGL.  
TRANSPORT WINDS.....NORTHWEST 5 MPH UNTIL 1200, THEN SOUTHWEST.  
SMOKE DISPERSAL.....POOR UNTIL 0900. GOOD AFTER 1200.  
   
FORECAST FOR DAY 3 THROUGH 7
 
   
MONDAY
 
MOSTLY CLEAR. ISOLATED SHOWERS AND THUNDERSTORMS. LOWS  
46-56. HIGHS 77-87. WINDS LESS THAN 15 MPH.    
TUESDAY
 
MOSTLY CLEAR. SCATTERED SHOWERS AND THUNDERSTORMS.  
LOWS 48-58. HIGHS 80-90. WINDS LESS THAN 15 MPH.    
WEDNESDAY
 
PARTLY CLOUDY. SCATTERED SHOWERS AND THUNDERSTORMS.  
LOWS 49-59. HIGHS 80-90. WINDS LESS THAN 15 MPH.    
THURSDAY
 
PARTLY CLOUDY. SCATTERED SHOWERS AND THUNDERSTORMS.  
LOWS 49-59. HIGHS 80-90.    
FRIDAY
 
PARTLY CLOUDY. SCATTERED SHOWERS AND THUNDERSTORMS.  
LOWS 50-60. HIGHS 79-89.  
 

 
 
COZ295-161200-  
SOUTHWEST COLORADO UPPER EAST FORECAST AREA-  
154 PM MDT FRI AUG 15 2025  
   
TONIGHT
 
 
SKY/WEATHER.........MOSTLY CLOUDY (60-70%). SCATTERED SHOWERS AND  
THUNDERSTORMS UNTIL 2400, THEN ISOLATED  
SHOWERS. AREAS OF SMOKE AFTER 2400.  
CHC OF LIGHTNING....40 PERCENT.  
MIN TEMPERATURE.....46-56 F.  
MAX HUMIDITY........76-91%.  
20-FOOT WINDS.......UPSLOPE/UPVALLEY 4 TO 8 MPH BECOMING  
DOWNSLOPE/DOWNVALLEY 3 TO 6 MPH BY SUNSET.  
CWR.................40 PERCENT.  
15K FT MSL WINDS....SOUTHWEST 10 TO 15 MPH INCREASING TO 15 TO 20  
MPH AFTER MIDNIGHT.  
MIXING HEIGHT.......8000 FT AGL UNTIL 2000, THEN 2000 FT AGL.  
TRANSPORT WINDS.....SOUTHWEST 5 TO 10 MPH UNTIL 2400, THEN NORTH.  
SMOKE DISPERSAL.....FAIR UNTIL 2100, THEN POOR.  
   
SATURDAY
 
 
SKY/WEATHER.........PARTLY CLOUDY (40-50%). ISOLATED SHOWERS AND  
THUNDERSTORMS UNTIL 1200, THEN SCATTERED  
SHOWERS AND THUNDERSTORMS. AREAS OF SMOKE AFTER  
1200.  
CHC OF LIGHTNING....40 PERCENT.  
MAX TEMPERATURE.....74-84 F.  
MIN HUMIDITY........22-32%.  
20-FOOT WINDS.......UPSLOPE/UPVALLEY WINDS 4 TO 8 MPH. LOCALIZED  
GUSTS UP TO 20 MPH IN THE AFTERNOON.  
CWR.................20 PERCENT.  
15K FT MSL WINDS....WEST 15 TO 20 MPH DECREASING TO 10 TO 15 MPH IN  
THE AFTERNOON.  
MIXING HEIGHT.......3500 FT AGL UNTIL 1000, THEN 10000 FT AGL.  
TRANSPORT WINDS.....NORTHWEST 5 MPH UNTIL 1200, THEN WEST.  
SMOKE DISPERSAL.....POOR UNTIL 0900. GOOD AFTER 1200.  
   
SATURDAY NIGHT
 
 
SKY/WEATHER.........PARTLY CLOUDY (40-50%). ISOLATED SHOWERS AND  
THUNDERSTORMS UNTIL 2400. AREAS OF SMOKE.  
CHC OF LIGHTNING....10 PERCENT.  
MIN TEMPERATURE.....47-57 F.  
MAX HUMIDITY........58-73%.  
20-FOOT WINDS.......UPSLOPE/UPVALLEY 4 TO 8 MPH BECOMING  
DOWNSLOPE/DOWNVALLEY 3 TO 6 MPH BY SUNSET.  
CWR.................10 PERCENT.  
15K FT MSL WINDS....WEST 5 TO 10 MPH SHIFTING TO THE SOUTHWEST  
AFTER MIDNIGHT.  
MIXING HEIGHT.......7000 FT AGL UNTIL 2000, THEN 2000 FT AGL.  
TRANSPORT WINDS.....WEST 5 TO 10 MPH UNTIL 2400, THEN NORTHEAST.  
SMOKE DISPERSAL.....POOR.  
   
SUNDAY
 
 
SKY/WEATHER.........MOSTLY SUNNY (10-20%) UNTIL 1200, THEN PARTLY  
CLOUDY (30-40%). SCATTERED SHOWERS AND  
THUNDERSTORMS AFTER 1200.  
CHC OF LIGHTNING....30 PERCENT.  
MAX TEMPERATURE.....76-86 F.  
MIN HUMIDITY........16-26%.  
20-FOOT WINDS.......DOWNSLOPE/DOWNVALLEY 3 TO 6 MPH BECOMING  
UPSLOPE/UPVALLEY 4 TO 8 MPH BY 1100.  
CWR.................10 PERCENT.  
15K FT MSL WINDS....SOUTHWEST 5 TO 10 MPH.  
MIXING HEIGHT.......3500 FT AGL UNTIL 1000, THEN 10500 FT AGL.  
TRANSPORT WINDS.....NORTH 5 MPH UNTIL 1200, THEN SOUTHWEST.  
SMOKE DISPERSAL.....POOR UNTIL 0900. GOOD AFTER 1200.  
   
FORECAST FOR DAY 3 THROUGH 7
 
   
MONDAY
 
MOSTLY CLEAR. SCATTERED SHOWERS AND THUNDERSTORMS. LOWS  
47-57. HIGHS 79-89. WINDS LESS THAN 15 MPH.    
TUESDAY
 
PARTLY CLOUDY. SCATTERED SHOWERS AND THUNDERSTORMS.  
LOWS 48-58. HIGHS 80-90. WINDS LESS THAN 15 MPH.    
WEDNESDAY
 
PARTLY CLOUDY. SCATTERED SHOWERS AND THUNDERSTORMS.  
LOWS 48-58. HIGHS 80-90. WINDS LESS THAN 15 MPH.    
THURSDAY
 
PARTLY CLOUDY. SCATTERED SHOWERS AND THUNDERSTORMS.  
LOWS 48-58. HIGHS 81-91.    
FRIDAY
 
PARTLY CLOUDY. SCATTERED SHOWERS AND THUNDERSTORMS.  
LOWS 48-58. HIGHS 79-89.  
 

 
 
UTZ485-161200-  
EASTERN ASHLEY NATIONAL FOREST-  
154 PM MDT FRI AUG 15 2025  
   
TONIGHT
 
 
SKY/WEATHER.........MOSTLY CLOUDY (60-70%). SCATTERED SHOWERS AND  
ISOLATED THUNDERSTORMS UNTIL 2400. ISOLATED  
SHOWERS AFTER 2400.  
CHC OF LIGHTNING....20 PERCENT.  
MIN TEMPERATURE.....51-61 F NEAR 7000 FEET  
38-48 F NEAR 10000 FEET.  
24 HR TREND......3 DEGREES COOLER.  
MAX HUMIDITY........56-71% NEAR 7000 FEET  
71-86% NEAR 10000 FEET.  
24 HR TREND......21% WETTER.  
20-FOOT WINDS.......DOWNSLOPE/DOWNVALLEY WINDS 3 TO 6 MPH.  
LOCALIZED GUSTS UP TO 20 MPH IN THE EVENING.  
CWR.................10 PERCENT.  
MIXING HEIGHT.......7000 FT AGL UNTIL 2000, THEN 2000 FT AGL.  
TRANSPORT WINDS.....SOUTHWEST 5 TO 10 MPH.  
CLEARING INDEX......850 UNTIL 1900. LESS THAN 500 AFTER 2000.  
   
SATURDAY
 
 
SKY/WEATHER.........PARTLY CLOUDY (30-40%) UNTIL 1200, THEN MOSTLY  
CLOUDY (60-70%). NEAR 7000 FEET, ISOLATED  
SHOWERS AND THUNDERSTORMS UNTIL 1200, THEN  
SCATTERED SHOWERS AND THUNDERSTORMS. NEAR 10000  
FEET, SCATTERED SHOWERS UNTIL 1200. SCATTERED  
THUNDERSTORMS. NUMEROUS SHOWERS AFTER 1200.  
CHC OF LIGHTNING....50 PERCENT.  
MAX TEMPERATURE.....71-81 F NEAR 7000 FEET  
60-70 F NEAR 10000 FEET.  
24 HR TREND......UNCHANGED.  
MIN HUMIDITY........21-31% NEAR 7000 FEET  
30-40% NEAR 10000 FEET.  
24 HR TREND......UNCHANGED.  
20-FOOT WINDS.......UPSLOPE/UPVALLEY WINDS 4 TO 8 MPH. LOCALIZED  
GUSTS UP TO 20 MPH IN THE AFTERNOON.  
CWR.................50 PERCENT.  
MIXING HEIGHT.......2000 FT AGL UNTIL 1000, THEN 9000 FT AGL.  
TRANSPORT WINDS.....SOUTHWEST 5 TO 10 MPH.  
CLEARING INDEX......LESS THAN 500 UNTIL 1100. 1050 AFTER 1200.  
   
SATURDAY NIGHT
 
 
SKY/WEATHER.........PARTLY CLOUDY (30-40%). NEAR 7000 FEET,  
ISOLATED SHOWERS AND THUNDERSTORMS UNTIL 2400.  
NEAR 10000 FEET, SCATTERED SHOWERS AND  
ISOLATED THUNDERSTORMS UNTIL 2400.  
CHC OF LIGHTNING....20 PERCENT.  
MIN TEMPERATURE.....52-62 F NEAR 7000 FEET  
37-47 F NEAR 10000 FEET.  
24 HR TREND......3 DEGREES COOLER.  
MAX HUMIDITY........53-63% NEAR 7000 FEET  
61-76% NEAR 10000 FEET.  
24 HR TREND......11% DRIER.  
20-FOOT WINDS.......DOWNSLOPE/DOWNVALLEY WINDS 3 TO 6 MPH.  
LOCALIZED GUSTS UP TO 20 MPH IN THE EVENING.  
CWR.................10 PERCENT.  
MIXING HEIGHT.......7000 FT AGL UNTIL 1900. 1500 FT AGL AFTER 2000.  
TRANSPORT WINDS.....SOUTHWEST 5 MPH.  
CLEARING INDEX......800 UNTIL 1900. LESS THAN 500 AFTER 2000.  
   
SUNDAY
 
 
SKY/WEATHER.........MOSTLY SUNNY (20-30%) UNTIL 1200, THEN PARTLY  
CLOUDY (30-40%). NEAR 7000 FEET, ISOLATED  
SHOWERS. ISOLATED THUNDERSTORMS AFTER 1200.  
NEAR 10000 FEET, ISOLATED SHOWERS AND  
THUNDERSTORMS UNTIL 1200, THEN SCATTERED  
SHOWERS AND THUNDERSTORMS.  
CHC OF LIGHTNING....20 PERCENT.  
MAX TEMPERATURE.....73-83 F NEAR 7000 FEET  
61-71 F NEAR 10000 FEET.  
24 HR TREND......1 DEGREE WARMER.  
MIN HUMIDITY........15-25% NEAR 7000 FEET  
21-31% NEAR 10000 FEET.  
24 HR TREND......7% DRIER.  
20-FOOT WINDS.......UPSLOPE/UPVALLEY WINDS 4 TO 8 MPH. LOCALIZED  
GUSTS UP TO 20 MPH IN THE AFTERNOON.  
CWR.................10 PERCENT.  
MIXING HEIGHT.......3000 FT AGL UNTIL 1000. 12000 FT AGL AFTER  
1200.  
TRANSPORT WINDS.....SOUTHWEST 5 MPH UNTIL 1200, THEN 10 TO 15 MPH.  
CLEARING INDEX......LESS THAN 500 UNTIL 1000. 1050 AFTER 1100.  
   
FORECAST FOR DAY 3 THROUGH 7
 
   
MONDAY
 
MOSTLY CLEAR. LOWS 51-61. HIGHS 77-87. WINDS LESS THAN  
15 MPH.    
TUESDAY
 
MOSTLY CLEAR. LOWS 52-62. HIGHS 80-90. WINDS LESS THAN  
15 MPH.    
WEDNESDAY
 
MOSTLY CLEAR. LOWS 54-64. HIGHS 82-92. WINDS LESS  
THAN 15 MPH.    
THURSDAY
 
MOSTLY CLEAR. ISOLATED SHOWERS AND THUNDERSTORMS NEAR  
7000 FEET AND SCATTERED SHOWERS AND THUNDERSTORMS NEAR 10000 FEET  
. LOWS 56-66. HIGHS 82-92.    
FRIDAY
 
PARTLY CLOUDY. SCATTERED SHOWERS AND THUNDERSTORMS .  
LOWS 56-66. HIGHS 80-90.  
 

 
 
UTZ486-161200-  
EASTERN UINTA BASIN-  
154 PM MDT FRI AUG 15 2025  
   
TONIGHT
 
 
SKY/WEATHER.........MOSTLY CLOUDY (60-70%) UNTIL 2400, THEN PARTLY  
CLOUDY (40-50%). SCATTERED SHOWERS AND ISOLATED  
THUNDERSTORMS UNTIL 2400. ISOLATED SHOWERS  
AFTER 2400.  
CHC OF LIGHTNING....20 PERCENT.  
MIN TEMPERATURE.....53-63 F NEAR 5000 FEET  
45-55 F NEAR 8000 FEET.  
24 HR TREND......4 DEGREES COOLER.  
MAX HUMIDITY........50-60% NEAR 5000 FEET  
57-67% NEAR 8000 FEET.  
24 HR TREND......23% WETTER.  
20-FOOT WINDS.......UPSLOPE/UPVALLEY 4 TO 8 MPH BECOMING  
DOWNSLOPE/DOWNVALLEY 3 TO 6 MPH BY SUNSET.  
CWR.................10 PERCENT.  
MIXING HEIGHT.......8000 FT AGL UNTIL 2000, THEN 2000 FT AGL.  
TRANSPORT WINDS.....SOUTHWEST 5 MPH.  
CLEARING INDEX......1050 UNTIL 2000, THEN LESS THAN 500.  
   
SATURDAY
 
 
SKY/WEATHER.........PARTLY CLOUDY (30-40%). ISOLATED SHOWERS AND  
THUNDERSTORMS UNTIL 1200. SCATTERED SHOWERS AND  
THUNDERSTORMS AFTER 1200.  
CHC OF LIGHTNING....30 PERCENT.  
MAX TEMPERATURE.....77-87 F NEAR 5000 FEET  
67-77 F NEAR 8000 FEET.  
24 HR TREND......1 DEGREE WARMER.  
MIN HUMIDITY........17-27%.  
24 HR TREND......UNCHANGED.  
20-FOOT WINDS.......UPSLOPE/UPVALLEY WINDS 4 TO 8 MPH. LOCALIZED  
GUSTS UP TO 20 MPH IN THE AFTERNOON.  
CWR.................20 PERCENT.  
MIXING HEIGHT.......3000 FT AGL UNTIL 1100, THEN 10500 FT AGL.  
TRANSPORT WINDS.....SOUTHWEST 5 MPH.  
CLEARING INDEX......LESS THAN 500 UNTIL 1100. 1050 AFTER 1200.  
   
SATURDAY NIGHT
 
 
SKY/WEATHER.........PARTLY CLOUDY (30-40%). NEAR 5000 FEET,  
ISOLATED SHOWERS AND THUNDERSTORMS UNTIL 2400.  
NEAR 8000 FEET, ISOLATED THUNDERSTORMS UNTIL  
2400. ISOLATED SHOWERS.  
CHC OF LIGHTNING....20 PERCENT.  
MIN TEMPERATURE.....54-64 F NEAR 5000 FEET  
48-58 F NEAR 8000 FEET.  
24 HR TREND......1 DEGREE WARMER.  
MAX HUMIDITY........42-52%.  
24 HR TREND......8% DRIER.  
20-FOOT WINDS.......UPSLOPE/UPVALLEY 4 TO 8 MPH BECOMING  
DOWNSLOPE/DOWNVALLEY 3 TO 6 MPH BY SUNSET.  
CWR.................10 PERCENT.  
MIXING HEIGHT.......6500 FT AGL UNTIL 2000, THEN 1500 FT AGL.  
TRANSPORT WINDS.....NORTHWEST 5 MPH.  
CLEARING INDEX......1000 UNTIL 1900. LESS THAN 500 AFTER 2000.  
   
SUNDAY
 
 
SKY/WEATHER.........MOSTLY SUNNY (10-20%). ISOLATED SHOWERS AND  
THUNDERSTORMS AFTER 1200.  
CHC OF LIGHTNING....10 PERCENT.  
MAX TEMPERATURE.....78-88 F NEAR 5000 FEET  
68-78 F NEAR 8000 FEET.  
24 HR TREND......1 DEGREE COOLER.  
MIN HUMIDITY........12-17%.  
24 HR TREND......7% DRIER.  
20-FOOT WINDS.......UPSLOPE/UPVALLEY WINDS 4 TO 8 MPH. LOCALIZED  
GUSTS UP TO 20 MPH IN THE AFTERNOON.  
CWR.................0 PERCENT.  
MIXING HEIGHT.......3000 FT AGL UNTIL 1000. 13000 FT AGL AFTER  
1200.  
TRANSPORT WINDS.....SOUTHWEST 5 MPH UNTIL 1200, THEN 10 TO 15 MPH.  
CLEARING INDEX......LESS THAN 500 UNTIL 1000. 1050 AFTER 1100.  
   
FORECAST FOR DAY 3 THROUGH 7
 
   
MONDAY
 
CLEAR. LOWS 56-66. HIGHS 83-93. WINDS LESS THAN 15 MPH.   
TUESDAY
 
CLEAR. LOWS 57-67. HIGHS 86-96. WINDS LESS THAN  
15 MPH.    
WEDNESDAY
 
CLEAR. LOWS 59-69. HIGHS 88-98. WINDS LESS THAN  
15 MPH.    
THURSDAY
 
MOSTLY CLEAR. ISOLATED SHOWERS AND THUNDERSTORMS.  
LOWS 61-71. HIGHS 88-98.    
FRIDAY
 
PARTLY CLOUDY. SCATTERED SHOWERS AND THUNDERSTORMS.  
LOWS 61-71. HIGHS 86-96.  
 

 
 
UTZ487-161200-  
BOOK CLIFFS-  
154 PM MDT FRI AUG 15 2025  
   
TONIGHT
 
 
SKY/WEATHER.........MOSTLY CLOUDY (60-70%) UNTIL 2400, THEN PARTLY  
CLOUDY (40-50%). NEAR 5000 FEET, SCATTERED  
SHOWERS AND THUNDERSTORMS UNTIL 2400. NEAR 8000  
FEET, SCATTERED SHOWERS AND ISOLATED  
THUNDERSTORMS UNTIL 2400. ISOLATED SHOWERS  
AFTER 2400.  
CHC OF LIGHTNING....50 PERCENT.  
MIN TEMPERATURE.....54-64 F NEAR 5000 FEET  
48-58 F NEAR 8000 FEET.  
24 HR TREND......3 DEGREES COOLER.  
MAX HUMIDITY........50-60% NEAR 5000 FEET  
57-72% NEAR 8000 FEET.  
24 HR TREND......15% WETTER.  
20-FOOT WINDS.......DOWNSLOPE/DOWNVALLEY WINDS 3 TO 6 MPH.  
LOCALIZED GUSTS UP TO 20 MPH IN THE EVENING.  
CWR.................20 PERCENT.  
MIXING HEIGHT.......5000 FT AGL UNTIL 2000, THEN 1500 FT AGL.  
TRANSPORT WINDS.....SOUTHWEST 5 TO 10 MPH.  
CLEARING INDEX......1050 UNTIL 2000. LESS THAN 500 AFTER 2100.  
   
SATURDAY
 
 
SKY/WEATHER.........NEAR 5000 FEET, MOSTLY SUNNY (20-30%) UNTIL  
1200, THEN PARTLY CLOUDY (50-60%). NEAR 8000  
FEET, PARTLY CLOUDY (30-40%) UNTIL 1200, THEN  
MOSTLY CLOUDY (60-70%). ISOLATED SHOWERS AND  
THUNDERSTORMS UNTIL 1200. SCATTERED SHOWERS AND  
THUNDERSTORMS AFTER 1200.  
CHC OF LIGHTNING....40 PERCENT.  
MAX TEMPERATURE.....75-85 F NEAR 5000 FEET  
71-81 F NEAR 8000 FEET.  
24 HR TREND......1 DEGREE WARMER.  
MIN HUMIDITY........15-25%.  
24 HR TREND......3% DRIER.  
20-FOOT WINDS.......UPSLOPE/UPVALLEY WINDS 4 TO 8 MPH. LOCALIZED  
GUSTS UP TO 20 MPH IN THE AFTERNOON.  
CWR.................20 PERCENT.  
MIXING HEIGHT.......2000 FT AGL UNTIL 1000, THEN 10500 FT AGL.  
TRANSPORT WINDS.....SOUTHWEST 5 TO 10 MPH.  
CLEARING INDEX......LESS THAN 500 UNTIL 1000. 1050 AFTER 1200.  
   
SATURDAY NIGHT
 
 
SKY/WEATHER.........PARTLY CLOUDY (30-40%). NEAR 5000 FEET,  
ISOLATED SHOWERS AND THUNDERSTORMS UNTIL 2400.  
NEAR 8000 FEET, SCATTERED SHOWERS AND ISOLATED  
THUNDERSTORMS UNTIL 2400.  
CHC OF LIGHTNING....20 PERCENT.  
MIN TEMPERATURE.....56-66 F NEAR 5000 FEET  
50-60 F NEAR 8000 FEET.  
24 HR TREND......2 DEGREES COOLER.  
MAX HUMIDITY........42-52%.  
24 HR TREND......6% DRIER.  
20-FOOT WINDS.......DOWNSLOPE/DOWNVALLEY WINDS 3 TO 6 MPH.  
LOCALIZED GUSTS UP TO 20 MPH IN THE EVENING.  
CWR.................10 PERCENT.  
MIXING HEIGHT.......8500 FT AGL UNTIL 2000, THEN 1500 FT AGL.  
TRANSPORT WINDS.....WEST 5 TO 10 MPH UNTIL 2400, THEN SOUTH.  
CLEARING INDEX......1000 UNTIL 1900. LESS THAN 500 AFTER 2000.  
   
SUNDAY
 
 
SKY/WEATHER.........MOSTLY SUNNY (20-30%). NEAR 8000 FEET,  
ISOLATED SHOWERS AFTER 1200.  
CHC OF LIGHTNING....0 PERCENT.  
MAX TEMPERATURE.....79-89 F NEAR 5000 FEET  
72-82 F NEAR 8000 FEET.  
24 HR TREND......UNCHANGED.  
MIN HUMIDITY........10-15%.  
24 HR TREND......7% DRIER.  
20-FOOT WINDS.......UPSLOPE/UPVALLEY WINDS 4 TO 8 MPH. LOCALIZED  
GUSTS UP TO 20 MPH IN THE AFTERNOON.  
CWR.................0 PERCENT.  
MIXING HEIGHT.......2500 FT AGL UNTIL 1000. 12500 FT AGL AFTER  
1200.  
TRANSPORT WINDS.....SOUTHWEST 5 MPH UNTIL 1200, THEN 10 TO 15 MPH.  
CLEARING INDEX......LESS THAN 500 UNTIL 1000. 1050 AFTER 1100.  
   
FORECAST FOR DAY 3 THROUGH 7
 
   
MONDAY
 
CLEAR. LOWS 55-65. HIGHS 85-95. WINDS LESS THAN 15 MPH.   
TUESDAY
 
CLEAR. LOWS 56-66. HIGHS 88-98. WINDS LESS THAN  
15 MPH.    
WEDNESDAY
 
CLEAR. ISOLATED SHOWERS AND THUNDERSTORMS . LOWS  
58-68. HIGHS 89-99. WINDS LESS THAN 15 MPH.    
THURSDAY
 
MOSTLY CLEAR. ISOLATED SHOWERS AND THUNDERSTORMS NEAR  
6000 FEET AND SCATTERED SHOWERS AND ISOLATED THUNDERSTORMS NEAR  
8000 FEET. LOWS 60-70. HIGHS 89-99.    
FRIDAY
 
PARTLY CLOUDY. SCATTERED SHOWERS AND THUNDERSTORMS.  
LOWS 60-70. HIGHS 88-98.  
 

 
 
UTZ490-161200-  
COLORADO RIVER BASIN-  
154 PM MDT FRI AUG 15 2025  
   
TONIGHT
 
 
SKY/WEATHER.........NEAR 5000 FEET, PARTLY CLOUDY (40-50%). NEAR  
7000 FEET, MOSTLY CLOUDY (60-70%) UNTIL 2400,  
THEN PARTLY CLOUDY (40-50%). SCATTERED SHOWERS  
AND ISOLATED THUNDERSTORMS UNTIL 2400. ISOLATED  
SHOWERS AFTER 2400.  
CHC OF LIGHTNING....20 PERCENT.  
MIN TEMPERATURE.....58-68 F NEAR 5000 FEET  
52-62 F NEAR 7000 FEET.  
24 HR TREND......6 DEGREES COOLER.  
MAX HUMIDITY........46-56% NEAR 5000 FEET  
52-62% NEAR 7000 FEET.  
24 HR TREND......16% WETTER.  
20-FOOT WINDS.......UPSLOPE/UPVALLEY 4 TO 8 MPH BECOMING  
DOWNSLOPE/DOWNVALLEY 3 TO 6 MPH BY SUNSET.  
CWR.................10 PERCENT.  
MIXING HEIGHT.......7500 FT AGL UNTIL 2000, THEN 1500 FT AGL.  
TRANSPORT WINDS.....WEST 10 TO 15 MPH UNTIL 2400, THEN SOUTHEAST 5  
MPH.  
CLEARING INDEX......1000 UNTIL 2000, THEN LESS THAN 500.  
   
SATURDAY
 
 
SKY/WEATHER.........MOSTLY SUNNY (10-20%) UNTIL 1200, THEN PARTLY  
CLOUDY (40-50%). ISOLATED SHOWERS AND  
THUNDERSTORMS UNTIL 1200. SCATTERED SHOWERS AND  
THUNDERSTORMS AFTER 1200.  
CHC OF LIGHTNING....30 PERCENT.  
MAX TEMPERATURE.....85-95 F NEAR 5000 FEET  
74-84 F NEAR 7000 FEET.  
24 HR TREND......3 DEGREES WARMER.  
MIN HUMIDITY........13-23%.  
24 HR TREND......5% DRIER.  
20-FOOT WINDS.......DOWNSLOPE/DOWNVALLEY 3 TO 6 MPH BECOMING  
UPSLOPE/UPVALLEY 4 TO 8 MPH BY 1100.  
CWR.................10 PERCENT.  
MIXING HEIGHT.......2000 FT AGL UNTIL 1000, THEN 11500 FT AGL.  
TRANSPORT WINDS.....SOUTHEAST 5 MPH UNTIL 1200, THEN SOUTHWEST.  
CLEARING INDEX......LESS THAN 500 UNTIL 1200. 1050 AFTER 1300.  
   
SATURDAY NIGHT
 
 
SKY/WEATHER.........MOSTLY CLEAR (20-30%). ISOLATED SHOWERS AND  
THUNDERSTORMS UNTIL 2400.  
CHC OF LIGHTNING....20 PERCENT.  
MIN TEMPERATURE.....60-70 F NEAR 5000 FEET  
54-64 F NEAR 7000 FEET.  
24 HR TREND......UNCHANGED.  
MAX HUMIDITY........34-44%.  
24 HR TREND......11% DRIER.  
20-FOOT WINDS.......UPSLOPE/UPVALLEY 4 TO 8 MPH BECOMING  
DOWNSLOPE/DOWNVALLEY 3 TO 6 MPH BY SUNSET.  
CWR.................10 PERCENT.  
MIXING HEIGHT.......9500 FT AGL UNTIL 2000, THEN 1500 FT AGL.  
TRANSPORT WINDS.....WEST 5 TO 10 MPH UNTIL 2400, THEN SOUTH.  
CLEARING INDEX......950 UNTIL 2000, THEN LESS THAN 500.  
   
SUNDAY
 
 
SKY/WEATHER.........MOSTLY SUNNY (10-20%). NEAR 7000 FEET,  
ISOLATED SHOWERS AFTER 1200.  
CHC OF LIGHTNING....0 PERCENT.  
MAX TEMPERATURE.....87-97 F NEAR 5000 FEET  
75-85 F NEAR 7000 FEET.  
24 HR TREND......UNCHANGED.  
MIN HUMIDITY........10-15%.  
24 HR TREND......5% DRIER.  
20-FOOT WINDS.......DOWNSLOPE/DOWNVALLEY 3 TO 6 MPH BECOMING  
UPSLOPE/UPVALLEY 4 TO 8 MPH BY 1100.  
CWR.................0 PERCENT.  
MIXING HEIGHT.......2500 FT AGL UNTIL 1000. 12000 FT AGL AFTER  
1200.  
TRANSPORT WINDS.....SOUTHEAST 5 MPH UNTIL 1200, THEN SOUTHWEST 10  
TO 15 MPH.  
CLEARING INDEX......LESS THAN 500 UNTIL 1100. 1050 AFTER 1200.  
   
FORECAST FOR DAY 3 THROUGH 7
 
   
MONDAY
 
CLEAR. LOWS 60-70. HIGHS 89-99. WINDS LESS THAN 15 MPH.   
TUESDAY
 
CLEAR. ISOLATED SHOWERS NEAR 5000 FEET. LOWS 61-71.  
HIGHS 92-102. WINDS LESS THAN 15 MPH.    
WEDNESDAY
 
CLEAR. ISOLATED SHOWERS AND THUNDERSTORMS . LOWS  
63-73. HIGHS 94-104. WINDS LESS THAN 15 MPH.    
THURSDAY
 
MOSTLY CLEAR. ISOLATED SHOWERS AND THUNDERSTORMS .  
LOWS 65-75. HIGHS 94-104.    
FRIDAY
 
PARTLY CLOUDY. SCATTERED SHOWERS AND THUNDERSTORMS.  
LOWS 65-75. HIGHS 93-103.  
 

 
 
UTZ491-161200-  
SOUTHEAST UTAH-  
154 PM MDT FRI AUG 15 2025  
   
TONIGHT
 
 
SKY/WEATHER.........PARTLY CLOUDY (40-50%). NEAR 5000 FEET,  
ISOLATED SHOWERS AND THUNDERSTORMS UNTIL 2400.  
NEAR 8000 FEET, SCATTERED SHOWERS AND ISOLATED  
THUNDERSTORMS UNTIL 2400, ISOLATED SHOWERS AFTER  
2400.  
CHC OF LIGHTNING....20 PERCENT.  
MIN TEMPERATURE.....58-68 F NEAR 5000 FEET  
49-59 F NEAR 8000 FEET.  
24 HR TREND......7 DEGREES COOLER.  
MAX HUMIDITY........53-63%.  
24 HR TREND......19% WETTER.  
20-FOOT WINDS.......UPSLOPE/UPVALLEY 4 TO 8 MPH BECOMING  
DOWNSLOPE/DOWNVALLEY 3 TO 6 MPH BY SUNSET.  
CWR.................10 PERCENT.  
MIXING HEIGHT.......5000 FT AGL UNTIL 2000, THEN 1500 FT AGL.  
TRANSPORT WINDS.....WEST 5 TO 10 MPH UNTIL 2400, THEN SOUTHEAST.  
CLEARING INDEX......800 UNTIL 2000, THEN LESS THAN 500.  
   
SATURDAY
 
 
SKY/WEATHER.........NEAR 5000 FEET, PARTLY CLOUDY (30-40%) AFTER  
1200, ISOLATED SHOWERS UNTIL 1200. ISOLATED  
THUNDERSTORMS. SCATTERED SHOWERS AFTER 1200.  
MOSTLY SUNNY (20-30%) UNTIL 1200. NEAR 8000  
FEET, MOSTLY CLOUDY (60-70%) AFTER 1200,  
ISOLATED SHOWERS AND THUNDERSTORMS UNTIL 1200,  
THEN SCATTERED SHOWERS AND THUNDERSTORMS.  
CHC OF LIGHTNING....20 PERCENT.  
MAX TEMPERATURE.....83-93 F NEAR 5000 FEET  
69-79 F NEAR 8000 FEET.  
24 HR TREND......2 DEGREES WARMER.  
MIN HUMIDITY........15-25% NEAR 5000 FEET  
21-31% NEAR 8000 FEET.  
24 HR TREND......5% DRIER.  
20-FOOT WINDS.......DOWNSLOPE/DOWNVALLEY 3 TO 6 MPH BECOMING  
UPSLOPE/UPVALLEY 4 TO 8 MPH BY 1100.  
CWR.................10 PERCENT.  
MIXING HEIGHT.......2000 FT AGL UNTIL 1000, THEN 11000 FT AGL.  
TRANSPORT WINDS.....SOUTHEAST 5 MPH UNTIL 1200, THEN WEST.  
CLEARING INDEX......LESS THAN 500 UNTIL 1200. 1050 AFTER 1400.  
   
SATURDAY NIGHT
 
 
SKY/WEATHER.........MOSTLY CLEAR (20-30%). ISOLATED SHOWERS AND  
THUNDERSTORMS UNTIL 2400.  
CHC OF LIGHTNING....10 PERCENT.  
MIN TEMPERATURE.....60-70 F NEAR 5000 FEET  
52-62 F NEAR 8000 FEET.  
24 HR TREND......1 DEGREE WARMER.  
MAX HUMIDITY........42-52%.  
24 HR TREND......10% DRIER.  
20-FOOT WINDS.......DOWNSLOPE/DOWNVALLEY WINDS 3 TO 6 MPH.  
LOCALIZED GUSTS UP TO 20 MPH IN THE EVENING.  
CWR.................0 PERCENT.  
MIXING HEIGHT.......9500 FT AGL UNTIL 2000, THEN 1500 FT AGL.  
TRANSPORT WINDS.....WEST 5 MPH.  
CLEARING INDEX......950 UNTIL 2000, THEN LESS THAN 500.  
   
SUNDAY
 
 
SKY/WEATHER.........MOSTLY SUNNY (10-20%). NEAR 8000 FEET,  
ISOLATED SHOWERS AND THUNDERSTORMS AFTER 1200.  
CHC OF LIGHTNING....0 PERCENT.  
MAX TEMPERATURE.....85-95 F NEAR 5000 FEET  
71-81 F NEAR 8000 FEET.  
24 HR TREND......3 DEGREES WARMER.  
MIN HUMIDITY........11-21%.  
24 HR TREND......4% DRIER.  
20-FOOT WINDS.......UPSLOPE/UPVALLEY WINDS 4 TO 8 MPH. LOCALIZED  
GUSTS UP TO 20 MPH IN THE AFTERNOON.  
CWR.................0 PERCENT.  
MIXING HEIGHT.......2500 FT AGL UNTIL 1000. 11500 FT AGL AFTER  
1200.  
TRANSPORT WINDS.....SOUTHWEST 5 MPH.  
CLEARING INDEX......LESS THAN 500 UNTIL 1000. 1050 AFTER 1200.  
   
FORECAST FOR DAY 3 THROUGH 7
 
   
MONDAY
 
CLEAR. LOWS 58-68. HIGHS 89-99. WINDS LESS THAN 15 MPH.   
TUESDAY
 
CLEAR. ISOLATED SHOWERS AND THUNDERSTORMS . LOWS  
59-69. HIGHS 92-102. WINDS LESS THAN 15 MPH.    
WEDNESDAY
 
MOSTLY CLEAR. ISOLATED SHOWERS AND THUNDERSTORMS  
NEAR 5000 FEET AND SCATTERED SHOWERS AND THUNDERSTORMS NEAR  
8000 FEET. LOWS 61-71. HIGHS 93-103. WINDS LESS THAN 15 MPH.    
THURSDAY
 
MOSTLY CLEAR. ISOLATED SHOWERS AND THUNDERSTORMS NEAR  
5000 FEET AND SCATTERED SHOWERS AND THUNDERSTORMS NEAR 8000 FEET  
. LOWS 63-73. HIGHS 93-103.    
FRIDAY
 
PARTLY CLOUDY. ISOLATED SHOWERS AND THUNDERSTORMS NEAR  
5000 FEET AND SCATTERED SHOWERS AND THUNDERSTORMS NEAR 8000 FEET  
. LOWS 63-73. HIGHS 92-102.  
 

 
 
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