410  
FNUS55 KGJT 182044 CCA  
FWFGJT  
 
FIRE WEATHER PLANNING FORECAST FOR WRN COLORADO AND ERN UTAH  
NATIONAL WEATHER SERVICE GRAND JUNCTION CO  
142 PM MDT FRI SEP 18 2020  
 
...RED FLAG WARNING IN EFFECT FROM NOON TO 8 PM MDT SATURDAY FOR  
GUSTY WINDS, LOW RELATIVE HUMIDITY AND DRY FUELS FOR FIRE WEATHER  
ZONE 490...  
   
DISCUSSION
 
 
WINDS WILL INCREASE OVERNIGHT AND INTO SATURDAY AS A LOW PRESSURE SYSTEM  
AND ITS ASSOCIATED FRONTAL BOUNDARY APPROACH THE REGION. DRY SOUTHWEST  
FLOW AHEAD OF THE BOUNDARY WILL RESULT IN CRITICAL FIRE WEATHER CONDITIONS  
TOMORROW AFTERNOON ACROSS EAST-CENTRAL UTAH. STRONG WINDS WILL DRAPE ACROSS  
NORTHEAST UTAH AND NORTHWEST COLORADO, HOWEVER, INCREASED CLOUD COVER MAY  
LIMIT RH FROM DROPPING TO CRITICAL LEVELS FOR THESE REGIONS. EXPECT LOCALIZED  
CRITICAL CONDITIONS FOR NORTHERN FIRE WEATHER ZONES, AS WELL AS ISOLATED  
SHOWERS AND STORMS DEVELOPING OVER HIGHER TERRAIN DURING THE AFTERNOON.  
 
...GUSTY ERRATIC WINDS CAN BE EXPECTED NEAR ANY SHOWERS  
OR THUNDERSTORMS...   
..THE SMOKE DATA IS CALCULATED FROM AN AVERAGE AT 6000 FEET MSL
 
 
COZ200-191145-  
LITTLE SNAKE FORECAST AREA-  
142 PM MDT FRI SEP 18 2020  
   
TONIGHT
 
 
SKY/WEATHER.........MOSTLY CLOUDY (70-80%) UNTIL 2400, THEN PARTLY  
CLOUDY (50-60%). HAZE.  
MIN TEMPERATURE.....49-59 F.  
MAX HUMIDITY........33-43% NEAR 6000 FEET  
26-36% NEAR 8000 FEET.  
20-FOOT WINDS.......DOWNSLOPE/DOWNVALLEY WINDS 3 TO 6 MPH.  
LOCALIZED GUSTS UP TO 20 MPH IN THE EVENING.  
CWR.................0 PERCENT.  
LAL.................1.  
HAINES INDEX........6 OR HIGH.  
15K FT MSL WINDS....SOUTHWEST 15 TO 20 MPH INCREASING TO 20 TO 30  
MPH AFTER MIDNIGHT.  
MIXING HEIGHT.......10000 FT AGL UNTIL 1900, THEN 1000 FT AGL.  
TRANSPORT WINDS.....SOUTH 5 TO 10 MPH.  
SMOKE DISPERSAL.....FAIR UNTIL 2100, THEN POOR.  
   
SATURDAY
 
 
SKY/WEATHER.........PARTLY CLOUDY (40-50%). NEAR 6000 FEET,  
ISOLATED SHOWERS AND THUNDERSTORMS AFTER 1200.  
HAZE UNTIL 1200. NEAR 8000 FEET, ISOLATED  
SHOWERS UNTIL 1200, SCATTERED SHOWERS AND  
ISOLATED THUNDERSTORMS AFTER 1200.  
MAX TEMPERATURE.....72-82 F NEAR 6000 FEET  
62-72 F NEAR 8000 FEET.  
MIN HUMIDITY........11-21%.  
20-FOOT WINDS.......DOWNSLOPE/DOWNVALLEY WINDS 4 TO 8 MPH BECOMING  
SOUTHWEST 20 TO 25 MPH IN THE AFTERNOON.  
LOCALIZED GUSTS UP TO 40 MPH.  
CWR.................10 PERCENT.  
LAL.................2.  
HAINES INDEX........5 OR MODERATE.  
15K FT MSL WINDS....SOUTHWEST 25 TO 35 MPH INCREASING TO 30 TO 40  
MPH IN THE AFTERNOON.  
MIXING HEIGHT.......1000 FT AGL UNTIL 1000. 12000 FT AGL AFTER  
1100.  
TRANSPORT WINDS.....SOUTH 10 TO 15 MPH UNTIL 1200, THEN SOUTHWEST  
25 TO 35 MPH.  
SMOKE DISPERSAL.....POOR UNTIL 0900. EXCELLENT AFTER 1200.  
   
SATURDAY NIGHT
 
 
SKY/WEATHER.........PARTLY CLOUDY (40-50%). NEAR 6000 FEET,  
ISOLATED SHOWERS UNTIL 2400. NEAR 8000 FEET,  
SCATTERED SHOWERS UNTIL 2400.  
MIN TEMPERATURE.....43-53 F.  
MAX HUMIDITY........68-83% NEAR 6000 FEET  
57-72% NEAR 8000 FEET.  
20-FOOT WINDS.......DOWNSLOPE/DOWNVALLEY WINDS 3 TO 6 MPH.  
LOCALIZED GUSTS UP TO 35 MPH IN THE EVENING.  
CWR.................10 PERCENT.  
LAL.................1.  
HAINES INDEX........5 OR MODERATE.  
15K FT MSL WINDS....SOUTHWEST 30 TO 40 MPH.  
MIXING HEIGHT.......6000 FT AGL UNTIL 1900, THEN 1000 FT AGL.  
TRANSPORT WINDS.....EAST 5 TO 10 MPH UNTIL 2400, THEN NORTH.  
SMOKE DISPERSAL.....POOR.  
   
SUNDAY
 
 
SKY/WEATHER.........SUNNY (0-10%).  
MAX TEMPERATURE.....70-80 F NEAR 6000 FEET  
57-67 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.................0 PERCENT.  
LAL.................1.  
HAINES INDEX........3 OR VERY LOW.  
15K FT MSL WINDS....WEST 25 TO 35 MPH.  
MIXING HEIGHT.......1500 FT AGL UNTIL 1000. 10500 FT AGL AFTER  
1100.  
TRANSPORT WINDS.....NORTHEAST 5 MPH UNTIL 1200, THEN SOUTHWEST 15  
TO 20 MPH.  
SMOKE DISPERSAL.....POOR UNTIL 0900. EXCELLENT AFTER 1500.  
   
FORECAST FOR DAY 3 THROUGH 7
 
   
MONDAY
 
MOSTLY CLEAR. LOWS 43-53. HIGHS 75-85. WINDS LESS THAN  
15 MPH.    
TUESDAY
 
PARTLY CLOUDY. SCATTERED SHOWERS AND ISOLATED  
THUNDERSTORMS NEAR 6000 FEET AND SCATTERED SHOWERS AND ISOLATED  
THUNDERSTORMS NEAR 8000 FEET. LOWS 44-54. HIGHS 73-83. WINDS LESS  
THAN 15 MPH.    
WEDNESDAY
 
PARTLY CLOUDY. SCATTERED SHOWERS AND THUNDERSTORMS  
NEAR 6000 FEET AND ISOLATED SHOWERS AND THUNDERSTORMS NEAR  
8000 FEET. LOWS 42-52. HIGHS 72-82. WINDS LESS THAN 15 MPH.    
THURSDAY
 
CLEAR. LOWS 40-50. HIGHS 74-84.    
FRIDAY
 
CLEAR. LOWS 42-52. HIGHS 74-84.  
 

 
 
COZ201-191145-  
ROUTT FORECAST AREA-  
142 PM MDT FRI SEP 18 2020  
   
TONIGHT
 
 
SKY/WEATHER.........MOSTLY CLOUDY (60-70%) UNTIL 2400, THEN PARTLY  
CLOUDY (50-60%). HAZE AND AREAS OF SMOKE.  
MIN TEMPERATURE.....44-54 F.  
MAX HUMIDITY........31-41%.  
20-FOOT WINDS.......UPSLOPE/UPVALLEY 4 TO 8 MPH BECOMING  
DOWNSLOPE/DOWNVALLEY 3 TO 6 MPH BY SUNSET.  
CWR.................0 PERCENT.  
LAL.................1.  
HAINES INDEX........6 OR HIGH.  
15K FT MSL WINDS....SOUTHWEST 10 TO 15 MPH INCREASING TO 20 TO 25  
MPH AFTER MIDNIGHT.  
MIXING HEIGHT.......11000 FT AGL UNTIL 1900, THEN 1000 FT AGL.  
TRANSPORT WINDS.....SOUTHWEST 5 TO 10 MPH.  
SMOKE DISPERSAL.....POOR.  
   
SATURDAY
 
 
SKY/WEATHER.........PARTLY CLOUDY (30-40%). HAZE AND AREAS OF SMOKE  
UNTIL 1200. ISOLATED SHOWERS AFTER 1200.  
MAX TEMPERATURE.....64-74 F.  
MIN HUMIDITY........15-25%.  
20-FOOT WINDS.......DOWNSLOPE/DOWNVALLEY WINDS 4 TO 8 MPH BECOMING  
SOUTHWEST 15 TO 20 MPH IN THE AFTERNOON.  
LOCALIZED GUSTS UP TO 40 MPH.  
CWR.................10 PERCENT.  
LAL.................1.  
HAINES INDEX........6 OR HIGH.  
15K FT MSL WINDS....SOUTHWEST 20 TO 30 MPH INCREASING TO 25 TO 35  
MPH IN THE AFTERNOON.  
MIXING HEIGHT.......1000 FT AGL UNTIL 0900. 12000 FT AGL AFTER  
1000.  
TRANSPORT WINDS.....SOUTH 10 TO 15 MPH UNTIL 1200, THEN SOUTHWEST  
20 TO 25 MPH.  
SMOKE DISPERSAL.....POOR UNTIL 0900. EXCELLENT AFTER 1200.  
   
SATURDAY NIGHT
 
 
SKY/WEATHER.........PARTLY CLOUDY (40-50%). SCATTERED SHOWERS UNTIL  
2400, ISOLATED SHOWERS AFTER 2400.  
MIN TEMPERATURE.....40-50 F.  
MAX HUMIDITY........63-78%.  
20-FOOT WINDS.......DOWNSLOPE/DOWNVALLEY WINDS 3 TO 6 MPH.  
LOCALIZED GUSTS UP TO 35 MPH IN THE EVENING.  
CWR.................20 PERCENT.  
LAL.................1.  
HAINES INDEX........5 OR MODERATE.  
15K FT MSL WINDS....SOUTHWEST 35 TO 45 MPH.  
MIXING HEIGHT.......8500 FT AGL UNTIL 1900, THEN 1000 FT AGL.  
TRANSPORT WINDS.....SOUTH 5 TO 10 MPH.  
SMOKE DISPERSAL.....FAIR UNTIL 2100, THEN POOR.  
   
SUNDAY
 
 
SKY/WEATHER.........MOSTLY SUNNY (20-30%).  
MAX TEMPERATURE.....63-73 F.  
MIN HUMIDITY........17-27%.  
20-FOOT WINDS.......DOWNSLOPE/DOWNVALLEY WINDS 4 TO 8 MPH BECOMING  
WEST 10 TO 15 MPH IN THE AFTERNOON. LOCALIZED  
GUSTS UP TO 30 MPH.  
CWR.................0 PERCENT.  
LAL.................1.  
HAINES INDEX........5 OR MODERATE.  
15K FT MSL WINDS....WEST 30 TO 40 MPH BECOMING SOUTHWEST 20 TO 30  
MPH IN THE AFTERNOON.  
MIXING HEIGHT.......2000 FT AGL UNTIL 1000. 10000 FT AGL AFTER  
1200.  
TRANSPORT WINDS.....SOUTHWEST 5 TO 10 MPH UNTIL 1200, THEN 20 TO 25  
MPH.  
SMOKE DISPERSAL.....POOR UNTIL 0900. EXCELLENT AFTER 1200.  
   
FORECAST FOR DAY 3 THROUGH 7
 
   
MONDAY
 
MOSTLY CLEAR. ISOLATED SHOWERS AND THUNDERSTORMS. LOWS  
41-51. HIGHS 66-76. WINDS LESS THAN 15 MPH.    
TUESDAY
 
PARTLY CLOUDY. SCATTERED SHOWERS AND THUNDERSTORMS.  
LOWS 41-51. HIGHS 62-72. WINDS LESS THAN 15 MPH.    
WEDNESDAY
 
PARTLY CLOUDY. SCATTERED SHOWERS AND THUNDERSTORMS.  
LOWS 39-49. HIGHS 62-72. WINDS LESS THAN 15 MPH.    
THURSDAY
 
CLEAR. LOWS 37-47. HIGHS 65-75.    
FRIDAY
 
CLEAR. LOWS 39-49. HIGHS 65-75.  
 

 
 
COZ202-191145-  
WHITE RIVER FORECAST AREA-  
142 PM MDT FRI SEP 18 2020  
   
TONIGHT
 
 
SKY/WEATHER.........MOSTLY CLOUDY (70-80%) UNTIL 2400, THEN PARTLY  
CLOUDY (50-60%). HAZE.  
MIN TEMPERATURE.....47-57 F.  
MAX HUMIDITY........30-40%.  
20-FOOT WINDS.......UPSLOPE/UPVALLEY 4 TO 8 MPH BECOMING  
DOWNSLOPE/DOWNVALLEY 3 TO 6 MPH BY SUNSET.  
CWR.................0 PERCENT.  
LAL.................1.  
HAINES INDEX........6 OR HIGH.  
15K FT MSL WINDS....SOUTHWEST 15 TO 20 MPH INCREASING TO 20 TO 30  
MPH AFTER MIDNIGHT.  
MIXING HEIGHT.......11000 FT AGL UNTIL 1900. 1000 FT AGL AFTER  
2100.  
TRANSPORT WINDS.....SOUTH 5 TO 10 MPH.  
SMOKE DISPERSAL.....FAIR UNTIL 2100, THEN POOR.  
   
SATURDAY
 
 
SKY/WEATHER.........PARTLY CLOUDY (40-50%). HAZE UNTIL 1200.  
ISOLATED SHOWERS AFTER 1200.  
MAX TEMPERATURE.....70-80 F NEAR 6000 FEET  
63-73 F NEAR 8000 FEET.  
MIN HUMIDITY........11-21%.  
20-FOOT WINDS.......DOWNSLOPE/DOWNVALLEY WINDS 4 TO 8 MPH BECOMING  
SOUTHWEST 20 TO 25 MPH IN THE AFTERNOON.  
LOCALIZED GUSTS UP TO 40 MPH.  
CWR.................10 PERCENT.  
LAL.................1.  
HAINES INDEX........5 OR MODERATE.  
15K FT MSL WINDS....SOUTHWEST 25 TO 35 MPH INCREASING TO 30 TO 40  
MPH IN THE AFTERNOON.  
MIXING HEIGHT.......1000 FT AGL UNTIL 1000. 12000 FT AGL AFTER  
1100.  
TRANSPORT WINDS.....SOUTH 10 TO 15 MPH UNTIL 1200, THEN SOUTHWEST  
25 TO 35 MPH.  
SMOKE DISPERSAL.....POOR UNTIL 0900. EXCELLENT AFTER 1200.  
   
SATURDAY NIGHT
 
 
SKY/WEATHER.........PARTLY CLOUDY (40-50%). ISOLATED SHOWERS UNTIL  
2400.  
MIN TEMPERATURE.....42-52 F.  
MAX HUMIDITY........61-76% NEAR 6000 FEET  
52-62% NEAR 8000 FEET.  
20-FOOT WINDS.......WEST WINDS 10 TO 15 MPH WITH GUSTS TO 35 MPH IN  
THE EVENING BECOMING DOWNSLOPE/DOWNVALLEY 3 TO  
6 MPH BY SUNSET.  
CWR.................10 PERCENT.  
LAL.................1.  
HAINES INDEX........5 OR MODERATE.  
15K FT MSL WINDS....SOUTHWEST 30 TO 40 MPH.  
MIXING HEIGHT.......6000 FT AGL UNTIL 1900, THEN 1000 FT AGL.  
TRANSPORT WINDS.....SOUTH 5 TO 10 MPH UNTIL 2400, THEN NORTHEAST.  
SMOKE DISPERSAL.....POOR.  
   
SUNDAY
 
 
SKY/WEATHER.........MOSTLY SUNNY (10-20%).  
MAX TEMPERATURE.....71-81 F NEAR 6000 FEET  
62-72 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.................0 PERCENT.  
LAL.................1.  
HAINES INDEX........3 OR VERY LOW.  
15K FT MSL WINDS....WEST 25 TO 35 MPH.  
MIXING HEIGHT.......1500 FT AGL UNTIL 1000. 10500 FT AGL AFTER  
1200.  
TRANSPORT WINDS.....EAST 5 TO 10 MPH UNTIL 1200, THEN SOUTHWEST 15  
TO 20 MPH.  
SMOKE DISPERSAL.....POOR UNTIL 0900. EXCELLENT AFTER 1200.  
   
FORECAST FOR DAY 3 THROUGH 7
 
   
MONDAY
 
MOSTLY CLEAR. ISOLATED SHOWERS AND THUNDERSTORMS NEAR  
8000 FEET. LOWS 45-55. HIGHS 75-85. WINDS LESS THAN 15 MPH.    
TUESDAY
 
PARTLY CLOUDY. SCATTERED SHOWERS AND THUNDERSTORMS.  
LOWS 46-56. HIGHS 73-83. WINDS LESS THAN 15 MPH.    
WEDNESDAY
 
PARTLY CLOUDY. SCATTERED SHOWERS AND THUNDERSTORMS.  
LOWS 43-53. HIGHS 72-82. WINDS LESS THAN 15 MPH.    
THURSDAY
 
CLEAR. LOWS 41-51. HIGHS 74-84.    
FRIDAY
 
CLEAR. LOWS 44-54. HIGHS 75-85.  
 

 
 
COZ203-191145-  
LOWER COLORADO RIVER-  
142 PM MDT FRI SEP 18 2020  
   
TONIGHT
 
 
SKY/WEATHER.........MOSTLY CLOUDY (60-70%) UNTIL 2400, THEN PARTLY  
CLOUDY (40-50%). HAZE.  
MIN TEMPERATURE.....51-61 F.  
MAX HUMIDITY........31-41%.  
20-FOOT WINDS.......DOWNSLOPE/DOWNVALLEY WINDS 3 TO 6 MPH.  
LOCALIZED GUSTS UP TO 20 MPH AFTER MIDNIGHT.  
CWR.................0 PERCENT.  
LAL.................1.  
HAINES INDEX........6 OR HIGH.  
15K FT MSL WINDS....SOUTHWEST 10 TO 15 MPH INCREASING TO 20 TO 25  
MPH AFTER MIDNIGHT.  
MIXING HEIGHT.......10500 FT AGL UNTIL 1900, THEN 1000 FT AGL.  
TRANSPORT WINDS.....SOUTH 5 MPH.  
SMOKE DISPERSAL.....POOR.  
   
SATURDAY
 
 
SKY/WEATHER.........PARTLY CLOUDY (30-40%). HAZE UNTIL 1200.  
ISOLATED SHOWERS AFTER 1200.  
MAX TEMPERATURE.....75-85 F NEAR 6000 FEET  
65-75 F NEAR 8000 FEET.  
MIN HUMIDITY........11-21%.  
20-FOOT WINDS.......DOWNSLOPE/DOWNVALLEY WINDS 4 TO 8 MPH BECOMING  
SOUTHWEST 15 TO 20 MPH IN THE AFTERNOON.  
LOCALIZED GUSTS UP TO 40 MPH.  
CWR.................10 PERCENT.  
LAL.................1.  
HAINES INDEX........5 OR MODERATE.  
15K FT MSL WINDS....SOUTHWEST 20 TO 25 MPH INCREASING TO 25 TO 35  
MPH IN THE AFTERNOON.  
MIXING HEIGHT.......1500 FT AGL UNTIL 1000. 13000 FT AGL AFTER  
1100.  
TRANSPORT WINDS.....SOUTH 5 TO 10 MPH UNTIL 1200, THEN SOUTHWEST 20  
TO 25 MPH.  
SMOKE DISPERSAL.....POOR UNTIL 0900. EXCELLENT AFTER 1200.  
   
SATURDAY NIGHT
 
 
SKY/WEATHER.........PARTLY CLOUDY (40-50%). ISOLATED SHOWERS UNTIL  
2400.  
MIN TEMPERATURE.....50-60 F.  
MAX HUMIDITY........48-58%.  
20-FOOT WINDS.......SOUTH WINDS 10 TO 15 MPH WITH GUSTS TO 35 MPH  
IN THE EVENING BECOMING DOWNSLOPE/DOWNVALLEY 3  
TO 6 MPH BY SUNSET.  
CWR.................10 PERCENT.  
LAL.................1.  
HAINES INDEX........5 OR MODERATE.  
15K FT MSL WINDS....SOUTHWEST 30 TO 40 MPH.  
MIXING HEIGHT.......10500 FT AGL UNTIL 1900, THEN 1000 FT AGL.  
TRANSPORT WINDS.....SOUTH 5 TO 10 MPH UNTIL 2400, THEN EAST.  
SMOKE DISPERSAL.....FAIR UNTIL 2100, THEN POOR.  
   
SUNDAY
 
 
SKY/WEATHER.........MOSTLY SUNNY (20-30%).  
MAX TEMPERATURE.....74-84 F NEAR 6000 FEET  
65-75 F NEAR 8000 FEET.  
MIN HUMIDITY........12-22%.  
20-FOOT WINDS.......UPSLOPE/UPVALLEY WINDS 4 TO 8 MPH. LOCALIZED  
GUSTS UP TO 25 MPH.  
CWR.................0 PERCENT.  
LAL.................1.  
HAINES INDEX........4 OR LOW.  
15K FT MSL WINDS....WEST 30 TO 40 MPH BECOMING SOUTHWEST 20 TO 30  
MPH IN THE AFTERNOON.  
MIXING HEIGHT.......2000 FT AGL UNTIL 1000. 10500 FT AGL AFTER  
1200.  
TRANSPORT WINDS.....SOUTH 5 TO 10 MPH UNTIL 1200, THEN SOUTHWEST 15  
TO 20 MPH.  
SMOKE DISPERSAL.....POOR UNTIL 0900. EXCELLENT AFTER 1200.  
   
FORECAST FOR DAY 3 THROUGH 7
 
   
MONDAY
 
MOSTLY CLEAR. ISOLATED SHOWERS AND THUNDERSTORMS. LOWS  
50-60. HIGHS 77-87. WINDS LESS THAN 15 MPH.    
TUESDAY
 
PARTLY CLOUDY. SCATTERED SHOWERS AND THUNDERSTORMS.  
LOWS 49-59. HIGHS 74-84. WINDS LESS THAN 15 MPH.    
WEDNESDAY
 
MOSTLY CLEAR. SCATTERED SHOWERS AND THUNDERSTORMS.  
LOWS 47-57. HIGHS 74-84. WINDS LESS THAN 15 MPH.    
THURSDAY
 
CLEAR. LOWS 46-56. HIGHS 75-85.    
FRIDAY
 
CLEAR. LOWS 48-58. HIGHS 75-85.  
 

 
 
COZ205-191145-  
COLORADO RIVER HEADWATERS-  
142 PM MDT FRI SEP 18 2020  
   
TONIGHT
 
 
SKY/WEATHER.........MOSTLY CLOUDY (60-70%) UNTIL 2400, THEN PARTLY  
CLOUDY (50-60%). HAZE.  
MIN TEMPERATURE.....45-55 F.  
MAX HUMIDITY........39-49%.  
20-FOOT WINDS.......UPSLOPE/UPVALLEY 4 TO 8 MPH BECOMING  
DOWNSLOPE/DOWNVALLEY 3 TO 6 MPH BY SUNSET.  
CWR.................0 PERCENT.  
LAL.................1.  
HAINES INDEX........6 OR HIGH.  
15K FT MSL WINDS....WEST 10 TO 15 MPH INCREASING TO SOUTHWEST 15 TO  
20 MPH AFTER MIDNIGHT.  
MIXING HEIGHT.......10000 FT AGL UNTIL 1900, THEN 1500 FT AGL.  
TRANSPORT WINDS.....SOUTHWEST 5 MPH.  
SMOKE DISPERSAL.....POOR.  
   
SATURDAY
 
 
SKY/WEATHER.........MOSTLY SUNNY (20-30%) UNTIL 1200, THEN PARTLY  
CLOUDY (30-40%). HAZE UNTIL 1200. ISOLATED  
SHOWERS AFTER 1200.  
MAX TEMPERATURE.....69-79 F.  
MIN HUMIDITY........16-26%.  
20-FOOT WINDS.......DOWNSLOPE/DOWNVALLEY WINDS 4 TO 8 MPH BECOMING  
SOUTHWEST 10 TO 15 MPH WITH GUSTS TO 35 MPH IN  
THE AFTERNOON.  
CWR.................10 PERCENT.  
LAL.................1.  
HAINES INDEX........5 OR MODERATE.  
15K FT MSL WINDS....SOUTHWEST 20 TO 25 MPH.  
MIXING HEIGHT.......1000 FT AGL UNTIL 0900. 11500 FT AGL AFTER  
1000.  
TRANSPORT WINDS.....SOUTHWEST 5 TO 10 MPH UNTIL 1200, THEN 15 TO 20  
MPH.  
SMOKE DISPERSAL.....POOR UNTIL 0900. EXCELLENT AFTER 1200.  
   
SATURDAY NIGHT
 
 
SKY/WEATHER.........PARTLY CLOUDY (40-50%). ISOLATED SHOWERS UNTIL  
2400.  
MIN TEMPERATURE.....45-55 F.  
MAX HUMIDITY........55-70%.  
20-FOOT WINDS.......DOWNSLOPE/DOWNVALLEY WINDS 3 TO 6 MPH.  
LOCALIZED GUSTS UP TO 30 MPH IN THE EVENING.  
CWR.................10 PERCENT.  
LAL.................1.  
HAINES INDEX........5 OR MODERATE.  
15K FT MSL WINDS....SOUTHWEST 30 TO 40 MPH.  
MIXING HEIGHT.......8000 FT AGL UNTIL 1900. 1000 FT AGL AFTER 2000.  
TRANSPORT WINDS.....SOUTH 5 MPH.  
SMOKE DISPERSAL.....POOR.  
   
SUNDAY
 
 
SKY/WEATHER.........MOSTLY SUNNY (20-30%).  
MAX TEMPERATURE.....67-77 F.  
MIN HUMIDITY........17-27%.  
20-FOOT WINDS.......DOWNSLOPE/DOWNVALLEY 3 TO 6 MPH BECOMING  
UPSLOPE/UPVALLEY 4 TO 8 MPH BY 1100.  
CWR.................0 PERCENT.  
LAL.................1.  
HAINES INDEX........5 OR MODERATE.  
15K FT MSL WINDS....WEST 30 TO 40 MPH DECREASING TO 20 TO 30 MPH IN  
THE AFTERNOON.  
MIXING HEIGHT.......2500 FT AGL UNTIL 0900, THEN 9500 FT AGL.  
TRANSPORT WINDS.....SOUTHWEST 5 TO 10 MPH UNTIL 1200, THEN WEST 15  
TO 20 MPH.  
SMOKE DISPERSAL.....POOR UNTIL 0900. EXCELLENT AFTER 1200.  
   
FORECAST FOR DAY 3 THROUGH 7
 
   
MONDAY
 
MOSTLY CLEAR. SCATTERED SHOWERS AND ISOLATED  
THUNDERSTORMS. LOWS 41-51. HIGHS 67-77. WINDS LESS THAN 15 MPH.    
TUESDAY
 
PARTLY CLOUDY. SCATTERED SHOWERS AND THUNDERSTORMS.  
LOWS 40-50. HIGHS 64-74. WINDS LESS THAN 15 MPH.    
WEDNESDAY
 
PARTLY CLOUDY. SCATTERED SHOWERS AND THUNDERSTORMS.  
LOWS 39-49. HIGHS 63-73. WINDS LESS THAN 15 MPH.    
THURSDAY
 
MOSTLY CLEAR. LOWS 37-47. HIGHS 67-77.    
FRIDAY
 
CLEAR. ISOLATED SHOWERS. LOWS 39-49. HIGHS 66-76.  
 

 
 
COZ290-191145-  
PARADOX VALLEY FORECAST AREA-  
142 PM MDT FRI SEP 18 2020  
   
TONIGHT
 
 
SKY/WEATHER.........PARTLY CLOUDY (40-50%). HAZE.  
MIN TEMPERATURE.....46-56 F.  
MAX HUMIDITY........32-42%.  
20-FOOT WINDS.......DOWNSLOPE/DOWNVALLEY WINDS 3 TO 6 MPH.  
LOCALIZED GUSTS UP TO 20 MPH IN THE EVENING.  
CWR.................0 PERCENT.  
LAL.................1.  
HAINES INDEX........6 OR HIGH.  
15K FT MSL WINDS....SOUTHWEST 10 TO 15 MPH INCREASING TO 15 TO 20  
MPH AFTER MIDNIGHT.  
MIXING HEIGHT.......11500 FT AGL UNTIL 1900. 1000 FT AGL AFTER  
2100.  
TRANSPORT WINDS.....SOUTH 5 TO 10 MPH.  
SMOKE DISPERSAL.....FAIR UNTIL 2100, THEN POOR.  
   
SATURDAY
 
 
SKY/WEATHER.........MOSTLY SUNNY (20-30%). HAZE UNTIL 1200.  
MAX TEMPERATURE.....74-84 F NEAR 6000 FEET  
68-78 F NEAR 8000 FEET.  
MIN HUMIDITY........12-17%.  
20-FOOT WINDS.......DOWNSLOPE/DOWNVALLEY WINDS 4 TO 8 MPH BECOMING  
SOUTHWEST 15 TO 20 MPH IN THE AFTERNOON.  
LOCALIZED GUSTS UP TO 35 MPH.  
CWR.................0 PERCENT.  
LAL.................1.  
HAINES INDEX........5 OR MODERATE.  
15K FT MSL WINDS....SOUTHWEST 20 TO 25 MPH.  
MIXING HEIGHT.......1500 FT AGL UNTIL 1000. 13000 FT AGL AFTER  
1100.  
TRANSPORT WINDS.....SOUTH 5 TO 10 MPH UNTIL 1200, THEN SOUTHWEST 20  
TO 25 MPH.  
SMOKE DISPERSAL.....POOR UNTIL 0900. EXCELLENT AFTER 1200.  
   
SATURDAY NIGHT
 
 
SKY/WEATHER.........PARTLY CLOUDY (30-40%).  
MIN TEMPERATURE.....50-60 F NEAR 6000 FEET  
47-57 F NEAR 8000 FEET.  
MAX HUMIDITY........40-50%.  
20-FOOT WINDS.......SOUTH WINDS 10 TO 15 MPH WITH GUSTS TO 35 MPH  
IN THE EVENING BECOMING DOWNSLOPE/DOWNVALLEY 3  
TO 6 MPH BY SUNSET.  
CWR.................0 PERCENT.  
LAL.................1.  
HAINES INDEX........4 OR LOW.  
15K FT MSL WINDS....SOUTHWEST 25 TO 35 MPH.  
MIXING HEIGHT.......11500 FT AGL UNTIL 1900, THEN 1000 FT AGL.  
TRANSPORT WINDS.....SOUTH 10 TO 15 MPH UNTIL 2400, THEN 5 MPH.  
SMOKE DISPERSAL.....GOOD UNTIL 2100, THEN POOR.  
   
SUNDAY
 
 
SKY/WEATHER.........MOSTLY SUNNY (20-30%).  
MAX TEMPERATURE.....74-84 F NEAR 6000 FEET  
67-77 F NEAR 8000 FEET.  
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.  
LAL.................1.  
HAINES INDEX........5 OR MODERATE.  
15K FT MSL WINDS....SOUTHWEST 20 TO 30 MPH BECOMING WEST 20 TO 25  
MPH IN THE AFTERNOON.  
MIXING HEIGHT.......2000 FT AGL UNTIL 1000. 11000 FT AGL AFTER  
1200.  
TRANSPORT WINDS.....SOUTH 5 MPH UNTIL 1200, THEN SOUTHWEST 10 TO 15  
MPH.  
SMOKE DISPERSAL.....POOR UNTIL 0900. VERY GOOD AFTER 1200.  
   
FORECAST FOR DAY 3 THROUGH 7
 
   
MONDAY
 
MOSTLY CLEAR. ISOLATED SHOWERS AND THUNDERSTORMS NEAR  
6000 FEET AND SCATTERED SHOWERS AND ISOLATED THUNDERSTORMS NEAR  
8000 FEET. LOWS 51-61. HIGHS 78-88. WINDS LESS THAN 15 MPH.    
TUESDAY
 
PARTLY CLOUDY. ISOLATED SHOWERS AND THUNDERSTORMS NEAR  
6000 FEET AND SCATTERED SHOWERS AND THUNDERSTORMS NEAR 8000 FEET.  
LOWS 50-60. HIGHS 75-85. WINDS LESS THAN 15 MPH.    
WEDNESDAY
 
MOSTLY CLEAR. ISOLATED SHOWERS AND THUNDERSTORMS.  
LOWS 48-58. HIGHS 76-86. WINDS LESS THAN 15 MPH.    
THURSDAY
 
CLEAR. LOWS 47-57. HIGHS 76-86.    
FRIDAY
 
CLEAR. ISOLATED SHOWERS NEAR 8000 FEET. LOWS 48-58.  
HIGHS 76-86.  
 

 
 
COZ291-191145-  
NORTHERN SAN JUAN FORECAST AREA-  
142 PM MDT FRI SEP 18 2020  
   
TONIGHT
 
 
SKY/WEATHER.........PARTLY CLOUDY (40-50%). HAZE.  
MIN TEMPERATURE.....43-53 F.  
MAX HUMIDITY........37-47%.  
20-FOOT WINDS.......DOWNSLOPE/DOWNVALLEY WINDS 3 TO 6 MPH.  
LOCALIZED GUSTS UP TO 20 MPH AFTER MIDNIGHT.  
CWR.................0 PERCENT.  
LAL.................1.  
HAINES INDEX........5 OR MODERATE.  
15K FT MSL WINDS....SOUTHWEST 15 TO 20 MPH INCREASING TO 20 TO 25  
MPH AFTER MIDNIGHT.  
MIXING HEIGHT.......10500 FT AGL UNTIL 1900, THEN 1500 FT AGL.  
TRANSPORT WINDS.....SOUTH 5 TO 10 MPH.  
SMOKE DISPERSAL.....POOR.  
   
SATURDAY
 
 
SKY/WEATHER.........MOSTLY SUNNY (20-30%) UNTIL 1200, THEN PARTLY  
CLOUDY (30-40%). HAZE UNTIL 1200. ISOLATED  
SHOWERS AND THUNDERSTORMS AFTER 1200.  
MAX TEMPERATURE.....68-78 F.  
MIN HUMIDITY........16-26%.  
20-FOOT WINDS.......DOWNSLOPE/DOWNVALLEY WINDS 4 TO 8 MPH BECOMING  
SOUTHWEST 10 TO 15 MPH IN THE AFTERNOON.  
LOCALIZED GUSTS UP TO 30 MPH.  
CWR.................10 PERCENT.  
LAL.................1 UNTIL 1200, THEN 2.  
HAINES INDEX........5 OR MODERATE.  
15K FT MSL WINDS....SOUTHWEST 15 TO 20 MPH.  
MIXING HEIGHT.......1000 FT AGL UNTIL 0900. 11500 FT AGL AFTER  
1000.  
TRANSPORT WINDS.....SOUTHWEST 10 TO 15 MPH.  
SMOKE DISPERSAL.....POOR UNTIL 0900. EXCELLENT AFTER 1200.  
   
SATURDAY NIGHT
 
 
SKY/WEATHER.........MOSTLY CLEAR (20-30%).  
MIN TEMPERATURE.....43-53 F.  
MAX HUMIDITY........48-58%.  
20-FOOT WINDS.......DOWNSLOPE/DOWNVALLEY WINDS 3 TO 6 MPH.  
LOCALIZED GUSTS UP TO 25 MPH IN THE EVENING.  
CWR.................0 PERCENT.  
LAL.................1.  
HAINES INDEX........5 OR MODERATE.  
15K FT MSL WINDS....SOUTHWEST 20 TO 30 MPH.  
MIXING HEIGHT.......9500 FT AGL UNTIL 1900, THEN 1000 FT AGL.  
TRANSPORT WINDS.....SOUTHWEST 5 TO 10 MPH.  
SMOKE DISPERSAL.....FAIR UNTIL 2100, THEN POOR.  
   
SUNDAY
 
 
SKY/WEATHER.........PARTLY CLOUDY (30-40%). ISOLATED SHOWERS AND  
THUNDERSTORMS AFTER 1200.  
MAX TEMPERATURE.....68-78 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.  
LAL.................1 UNTIL 1200, THEN 2.  
HAINES INDEX........4 OR LOW.  
15K FT MSL WINDS....WEST 20 TO 25 MPH BECOMING SOUTHWEST 15 TO 20  
MPH IN THE AFTERNOON.  
MIXING HEIGHT.......500 FT AGL UNTIL 0700. 9500 FT AGL AFTER 0800.  
TRANSPORT WINDS.....SOUTHWEST 10 TO 15 MPH.  
SMOKE DISPERSAL.....POOR UNTIL 0900, THEN VERY GOOD.  
   
FORECAST FOR DAY 3 THROUGH 7
 
   
MONDAY
 
MOSTLY CLEAR. SCATTERED SHOWERS AND THUNDERSTORMS. LOWS  
43-53. HIGHS 67-77. WINDS LESS THAN 15 MPH.    
TUESDAY
 
PARTLY CLOUDY. SCATTERED SHOWERS AND THUNDERSTORMS.  
LOWS 42-52. HIGHS 64-74. WINDS LESS THAN 15 MPH.    
WEDNESDAY
 
PARTLY CLOUDY. ISOLATED SHOWERS AND THUNDERSTORMS.  
LOWS 41-51. HIGHS 65-75. WINDS LESS THAN 15 MPH.    
THURSDAY
 
MOSTLY CLEAR. ISOLATED SHOWERS. LOWS 40-50. HIGHS  
66-76.    
FRIDAY
 
MOSTLY CLEAR. ISOLATED SHOWERS AND THUNDERSTORMS. LOWS  
41-51. HIGHS 66-76.  
 

 
 
COZ292-191145-  
NORTH FORK FORECAST AREA-  
142 PM MDT FRI SEP 18 2020  
   
TONIGHT
 
 
SKY/WEATHER.........PARTLY CLOUDY (40-50%). HAZE.  
MIN TEMPERATURE.....48-58 F NEAR 6000 FEET  
45-55 F NEAR 8000 FEET.  
MAX HUMIDITY........36-46%.  
20-FOOT WINDS.......DOWNSLOPE/DOWNVALLEY WINDS 3 TO 6 MPH.  
LOCALIZED GUSTS UP TO 20 MPH AFTER MIDNIGHT.  
CWR.................0 PERCENT.  
LAL.................1.  
HAINES INDEX........6 OR HIGH.  
15K FT MSL WINDS....SOUTHWEST 10 TO 15 MPH INCREASING TO 15 TO 20  
MPH AFTER MIDNIGHT.  
MIXING HEIGHT.......12000 FT AGL UNTIL 1900. 1000 FT AGL AFTER  
2200.  
TRANSPORT WINDS.....SOUTH 5 MPH.  
SMOKE DISPERSAL.....POOR.  
   
SATURDAY
 
 
SKY/WEATHER.........MOSTLY SUNNY (20-30%). HAZE UNTIL 1200. NEAR  
8000 FEET, ISOLATED SHOWERS AND THUNDERSTORMS  
AFTER 1200.  
MAX TEMPERATURE.....75-85 F NEAR 6000 FEET  
66-76 F NEAR 8000 FEET.  
MIN HUMIDITY........13-23%.  
20-FOOT WINDS.......DOWNSLOPE/DOWNVALLEY WINDS 4 TO 8 MPH BECOMING  
SOUTHWEST 10 TO 15 MPH IN THE AFTERNOON.  
LOCALIZED GUSTS UP TO 35 MPH.  
CWR.................0 PERCENT.  
LAL.................1 UNTIL 1200, THEN 2.  
HAINES INDEX........5 OR MODERATE.  
15K FT MSL WINDS....SOUTHWEST 20 TO 25 MPH INCREASING TO 20 TO 30  
MPH IN THE AFTERNOON.  
MIXING HEIGHT.......1500 FT AGL UNTIL 1000. 14000 FT AGL AFTER  
1100.  
TRANSPORT WINDS.....SOUTH 5 TO 10 MPH UNTIL 1200, THEN SOUTHWEST 15  
TO 20 MPH.  
SMOKE DISPERSAL.....POOR UNTIL 0900. EXCELLENT AFTER 1200.  
   
SATURDAY NIGHT
 
 
SKY/WEATHER.........PARTLY CLOUDY (30-40%). NEAR 8000 FEET,  
ISOLATED SHOWERS UNTIL 2400.  
MIN TEMPERATURE.....48-58 F NEAR 6000 FEET  
45-55 F NEAR 8000 FEET.  
MAX HUMIDITY........48-58%.  
20-FOOT WINDS.......SOUTH WINDS 10 TO 15 MPH WITH GUSTS TO 35 MPH  
IN THE EVENING BECOMING DOWNSLOPE/DOWNVALLEY 3  
TO 6 MPH BY SUNSET.  
CWR.................0 PERCENT.  
LAL.................1.  
HAINES INDEX........5 OR MODERATE.  
15K FT MSL WINDS....WEST 25 TO 35 MPH.  
MIXING HEIGHT.......11000 FT AGL UNTIL 1900, THEN 1000 FT AGL.  
TRANSPORT WINDS.....SOUTH 10 TO 15 MPH UNTIL 2400, THEN SOUTHEAST 5  
MPH.  
SMOKE DISPERSAL.....GOOD UNTIL 2100, THEN POOR.  
   
SUNDAY
 
 
SKY/WEATHER.........MOSTLY SUNNY (20-30%). NEAR 8000 FEET, ISOLATED  
SHOWERS AND THUNDERSTORMS AFTER 1200.  
MAX TEMPERATURE.....74-84 F NEAR 6000 FEET  
66-76 F NEAR 8000 FEET.  
MIN HUMIDITY........15-25%.  
20-FOOT WINDS.......UPSLOPE/UPVALLEY WINDS 4 TO 8 MPH. LOCALIZED  
GUSTS UP TO 25 MPH.  
CWR.................0 PERCENT.  
LAL.................1 UNTIL 1200, THEN 2.  
HAINES INDEX........3 OR VERY LOW.  
15K FT MSL WINDS....WEST 25 TO 35 MPH DECREASING TO 20 TO 25 MPH IN  
THE AFTERNOON.  
MIXING HEIGHT.......2500 FT AGL UNTIL 1000. 11000 FT AGL AFTER  
1200.  
TRANSPORT WINDS.....SOUTH 5 TO 10 MPH UNTIL 1200, THEN WEST.  
SMOKE DISPERSAL.....POOR UNTIL 0900, THEN FAIR UNTIL 1200, THEN  
EXCELLENT UNTIL 1500, THEN VERY GOOD.  
   
FORECAST FOR DAY 3 THROUGH 7
 
   
MONDAY
 
MOSTLY CLEAR. ISOLATED SHOWERS AND THUNDERSTORMS NEAR  
6000 FEET AND SCATTERED SHOWERS AND ISOLATED THUNDERSTORMS NEAR  
8000 FEET. LOWS 48-58. HIGHS 76-86. WINDS LESS THAN 15 MPH.    
TUESDAY
 
PARTLY CLOUDY. SCATTERED SHOWERS AND THUNDERSTORMS.  
LOWS 48-58. HIGHS 74-84. WINDS LESS THAN 15 MPH.    
WEDNESDAY
 
MOSTLY CLEAR. ISOLATED SHOWERS AND THUNDERSTORMS.  
LOWS 46-56. HIGHS 74-84. WINDS LESS THAN 15 MPH.    
THURSDAY
 
CLEAR. ISOLATED SHOWERS NEAR 8000 FEET. LOWS 45-55.  
HIGHS 75-85.    
FRIDAY
 
CLEAR. ISOLATED SHOWERS AND THUNDERSTORMS NEAR  
8000 FEET. LOWS 46-56. HIGHS 76-86.  
 

 
 
COZ293-191145-  
GUNNISON BASIN FORECAST AREA-  
142 PM MDT FRI SEP 18 2020  
   
TONIGHT
 
 
SKY/WEATHER.........PARTLY CLOUDY (40-50%). HAZE.  
MIN TEMPERATURE.....42-52 F.  
MAX HUMIDITY........49-59%.  
20-FOOT WINDS.......UPSLOPE/UPVALLEY 4 TO 8 MPH BECOMING  
DOWNSLOPE/DOWNVALLEY 3 TO 6 MPH BY SUNSET.  
CWR.................0 PERCENT.  
LAL.................1.  
HAINES INDEX........6 OR HIGH.  
15K FT MSL WINDS....WEST 10 TO 15 MPH INCREASING TO 15 TO 20 MPH  
AFTER MIDNIGHT.  
MIXING HEIGHT.......10000 FT AGL UNTIL 1900, THEN 1500 FT AGL.  
TRANSPORT WINDS.....WEST 5 MPH UNTIL 2400, THEN SOUTH.  
SMOKE DISPERSAL.....POOR.  
   
SATURDAY
 
 
SKY/WEATHER.........MOSTLY SUNNY (20-30%) UNTIL 1200, THEN PARTLY  
CLOUDY (30-40%). HAZE UNTIL 1200. ISOLATED  
SHOWERS AFTER 1200.  
MAX TEMPERATURE.....65-75 F.  
MIN HUMIDITY........15-25%.  
20-FOOT WINDS.......DOWNSLOPE/DOWNVALLEY WINDS 4 TO 8 MPH BECOMING  
SOUTHWEST 10 TO 15 MPH WITH GUSTS TO 30 MPH IN  
THE AFTERNOON.  
CWR.................10 PERCENT.  
LAL.................1.  
HAINES INDEX........5 OR MODERATE.  
15K FT MSL WINDS....WEST 20 TO 25 MPH.  
MIXING HEIGHT.......1000 FT AGL UNTIL 0900. 11500 FT AGL AFTER  
1000.  
TRANSPORT WINDS.....SOUTH 5 TO 10 MPH UNTIL 1200, THEN WEST 15 TO  
20 MPH.  
SMOKE DISPERSAL.....POOR UNTIL 0900. EXCELLENT AFTER 1200.  
   
SATURDAY NIGHT
 
 
SKY/WEATHER.........PARTLY CLOUDY (30-40%). ISOLATED SHOWERS UNTIL  
2400.  
MIN TEMPERATURE.....44-54 F.  
MAX HUMIDITY........59-74%.  
20-FOOT WINDS.......DOWNSLOPE/DOWNVALLEY WINDS 3 TO 6 MPH.  
LOCALIZED GUSTS UP TO 30 MPH IN THE EVENING.  
CWR.................10 PERCENT.  
LAL.................1.  
HAINES INDEX........5 OR MODERATE.  
15K FT MSL WINDS....WEST 25 TO 35 MPH.  
MIXING HEIGHT.......8500 FT AGL UNTIL 1900, THEN 500 FT AGL.  
TRANSPORT WINDS.....SOUTH 5 MPH.  
SMOKE DISPERSAL.....FAIR UNTIL 2100, THEN POOR.  
   
SUNDAY
 
 
SKY/WEATHER.........PARTLY CLOUDY (30-40%). ISOLATED SHOWERS AND  
THUNDERSTORMS AFTER 1200.  
MAX TEMPERATURE.....65-75 F.  
MIN HUMIDITY........17-27%.  
20-FOOT WINDS.......UPSLOPE/UPVALLEY WINDS 4 TO 8 MPH. LOCALIZED  
GUSTS UP TO 25 MPH.  
CWR.................10 PERCENT.  
LAL.................1 UNTIL 1200, THEN 2.  
HAINES INDEX........5 OR MODERATE.  
15K FT MSL WINDS....WEST 25 TO 35 MPH DECREASING TO 20 TO 25 MPH IN  
THE AFTERNOON.  
MIXING HEIGHT.......2000 FT AGL UNTIL 0900. 10000 FT AGL AFTER  
1200.  
TRANSPORT WINDS.....SOUTHWEST 5 TO 10 MPH UNTIL 1200, THEN WEST 15  
TO 20 MPH.  
SMOKE DISPERSAL.....POOR UNTIL 0900. VERY GOOD AFTER 1200.  
   
FORECAST FOR DAY 3 THROUGH 7
 
   
MONDAY
 
MOSTLY CLEAR. SCATTERED SHOWERS AND ISOLATED  
THUNDERSTORMS. LOWS 39-49. HIGHS 67-77. WINDS LESS THAN 15 MPH.    
TUESDAY
 
PARTLY CLOUDY. SCATTERED SHOWERS AND THUNDERSTORMS.  
LOWS 38-48. HIGHS 64-74. WINDS LESS THAN 15 MPH.    
WEDNESDAY
 
PARTLY CLOUDY. SCATTERED SHOWERS AND THUNDERSTORMS.  
LOWS 37-47. HIGHS 65-75. WINDS LESS THAN 15 MPH.    
THURSDAY
 
MOSTLY CLEAR. ISOLATED SHOWERS AND THUNDERSTORMS.  
LOWS 36-46. HIGHS 66-76.    
FRIDAY
 
MOSTLY CLEAR. ISOLATED SHOWERS AND THUNDERSTORMS. LOWS  
37-47. HIGHS 66-76.  
 

 
 
COZ207-191145-  
SOUTHWEST COLORADO LOWER FORECAST AREA-  
142 PM MDT FRI SEP 18 2020  
   
TONIGHT
 
 
SKY/WEATHER.........PARTLY CLOUDY (30-40%). HAZE.  
MIN TEMPERATURE.....46-56 F.  
MAX HUMIDITY........40-50%.  
20-FOOT WINDS.......UPSLOPE/UPVALLEY 4 TO 8 MPH BECOMING  
DOWNSLOPE/DOWNVALLEY 3 TO 6 MPH BY SUNSET.  
CWR.................0 PERCENT.  
LAL.................1.  
HAINES INDEX........6 OR HIGH.  
15K FT MSL WINDS....SOUTHWEST 15 TO 20 MPH.  
MIXING HEIGHT.......11500 FT AGL UNTIL 1900, THEN 1000 FT AGL.  
TRANSPORT WINDS.....SOUTH 5 MPH UNTIL 2400, THEN SOUTHEAST 10 TO 15  
MPH.  
SMOKE DISPERSAL.....POOR.  
   
SATURDAY
 
 
SKY/WEATHER.........MOSTLY SUNNY (20-30%). HAZE UNTIL 1200.  
MAX TEMPERATURE.....73-83 F.  
MIN HUMIDITY........11-21%.  
20-FOOT WINDS.......DOWNSLOPE/DOWNVALLEY WINDS 4 TO 8 MPH BECOMING  
SOUTHWEST 10 TO 15 MPH IN THE AFTERNOON.  
LOCALIZED GUSTS UP TO 30 MPH.  
CWR.................0 PERCENT.  
LAL.................1.  
HAINES INDEX........5 OR MODERATE.  
15K FT MSL WINDS....SOUTHWEST 20 TO 25 MPH.  
MIXING HEIGHT.......1500 FT AGL UNTIL 1000. 12500 FT AGL AFTER  
1100.  
TRANSPORT WINDS.....SOUTHEAST 5 TO 10 MPH UNTIL 1200, THEN  
SOUTHWEST.  
SMOKE DISPERSAL.....POOR UNTIL 0900. EXCELLENT AFTER 1200.  
   
SATURDAY NIGHT
 
 
SKY/WEATHER.........PARTLY CLOUDY (30-40%).  
MIN TEMPERATURE.....49-59 F.  
MAX HUMIDITY........46-56%.  
20-FOOT WINDS.......DOWNSLOPE/DOWNVALLEY WINDS 3 TO 6 MPH.  
LOCALIZED GUSTS UP TO 30 MPH IN THE EVENING.  
CWR.................0 PERCENT.  
LAL.................1.  
HAINES INDEX........4 OR LOW.  
15K FT MSL WINDS....SOUTHWEST 20 TO 25 MPH.  
MIXING HEIGHT.......11500 FT AGL UNTIL 1900. 500 FT AGL AFTER 2000.  
TRANSPORT WINDS.....SOUTHEAST 5 MPH.  
SMOKE DISPERSAL.....FAIR UNTIL 2100, THEN POOR.  
   
SUNDAY
 
 
SKY/WEATHER.........MOSTLY SUNNY (20-30%).  
MAX TEMPERATURE.....73-83 F.  
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.  
LAL.................1.  
HAINES INDEX........4 OR LOW.  
15K FT MSL WINDS....SOUTHWEST 20 TO 25 MPH BECOMING WEST 15 TO 20  
MPH IN THE AFTERNOON.  
MIXING HEIGHT.......2000 FT AGL UNTIL 1000. 11000 FT AGL AFTER  
1200.  
TRANSPORT WINDS.....SOUTH 5 TO 10 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  
48-58. HIGHS 78-88. WINDS LESS THAN 15 MPH.    
TUESDAY
 
PARTLY CLOUDY. ISOLATED SHOWERS AND THUNDERSTORMS.  
LOWS 48-58. HIGHS 76-86. WINDS LESS THAN 15 MPH.    
WEDNESDAY
 
MOSTLY CLEAR. ISOLATED SHOWERS AND THUNDERSTORMS.  
LOWS 46-56. HIGHS 77-87. WINDS LESS THAN 15 MPH.    
THURSDAY
 
CLEAR. LOWS 46-56. HIGHS 76-86.    
FRIDAY
 
CLEAR. LOWS 46-56. HIGHS 76-86.  
 

 
 
COZ294-191145-  
SOUTHWEST COLORADO UPPER WEST FORECAST AREA-  
142 PM MDT FRI SEP 18 2020  
   
TONIGHT
 
 
SKY/WEATHER.........PARTLY CLOUDY (30-40%). HAZE.  
MIN TEMPERATURE.....44-54 F.  
MAX HUMIDITY........41-51%.  
20-FOOT WINDS.......DOWNSLOPE/DOWNVALLEY WINDS 3 TO 6 MPH.  
LOCALIZED GUSTS UP TO 20 MPH AFTER MIDNIGHT.  
CWR.................0 PERCENT.  
LAL.................1.  
HAINES INDEX........6 OR HIGH.  
15K FT MSL WINDS....SOUTHWEST 10 TO 15 MPH INCREASING TO 20 TO 25  
MPH AFTER MIDNIGHT.  
MIXING HEIGHT.......10000 FT AGL UNTIL 1900, THEN 1000 FT AGL.  
TRANSPORT WINDS.....SOUTH 5 MPH UNTIL 2400, THEN SOUTHEAST 10 TO 15  
MPH.  
SMOKE DISPERSAL.....POOR.  
   
SATURDAY
 
 
SKY/WEATHER.........MOSTLY SUNNY (10-20%). HAZE UNTIL 1200.  
MAX TEMPERATURE.....64-74 F.  
MIN HUMIDITY........17-27%.  
20-FOOT WINDS.......DOWNSLOPE/DOWNVALLEY WINDS 4 TO 8 MPH BECOMING  
SOUTHWEST 10 TO 15 MPH IN THE AFTERNOON.  
LOCALIZED GUSTS UP TO 30 MPH.  
CWR.................0 PERCENT.  
LAL.................1.  
HAINES INDEX........5 OR MODERATE.  
15K FT MSL WINDS....SOUTHWEST 15 TO 20 MPH.  
MIXING HEIGHT.......2000 FT AGL UNTIL 1000, THEN 11000 FT AGL.  
TRANSPORT WINDS.....SOUTHWEST 5 TO 10 MPH.  
SMOKE DISPERSAL.....POOR UNTIL 0900. EXCELLENT AFTER 1200.  
   
SATURDAY NIGHT
 
 
SKY/WEATHER.........PARTLY CLOUDY (30-40%).  
MIN TEMPERATURE.....45-55 F.  
MAX HUMIDITY........49-59%.  
20-FOOT WINDS.......DOWNSLOPE/DOWNVALLEY WINDS 3 TO 6 MPH.  
LOCALIZED GUSTS UP TO 30 MPH IN THE EVENING.  
CWR.................0 PERCENT.  
LAL.................1.  
HAINES INDEX........4 OR LOW.  
15K FT MSL WINDS....SOUTHWEST 20 TO 25 MPH.  
MIXING HEIGHT.......9500 FT AGL UNTIL 1900. 1000 FT AGL AFTER 2000.  
TRANSPORT WINDS.....SOUTH 5 TO 10 MPH.  
SMOKE DISPERSAL.....FAIR UNTIL 2100, THEN POOR.  
   
SUNDAY
 
 
SKY/WEATHER.........PARTLY CLOUDY (30-40%) UNTIL 1200, THEN MOSTLY  
SUNNY (20-30%).  
MAX TEMPERATURE.....64-74 F.  
MIN HUMIDITY........16-26%.  
20-FOOT WINDS.......UPSLOPE/UPVALLEY WINDS 4 TO 8 MPH. LOCALIZED  
GUSTS UP TO 20 MPH.  
CWR.................0 PERCENT.  
LAL.................1.  
HAINES INDEX........4 OR LOW.  
15K FT MSL WINDS....SOUTHWEST 20 TO 25 MPH DECREASING TO 10 TO 15  
MPH IN THE AFTERNOON.  
MIXING HEIGHT.......500 FT AGL UNTIL 0700. 10000 FT AGL AFTER 0800.  
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. SCATTERED SHOWERS AND ISOLATED  
THUNDERSTORMS. LOWS 43-53. HIGHS 67-77. WINDS LESS THAN 15 MPH.    
TUESDAY
 
PARTLY CLOUDY. SCATTERED SHOWERS AND THUNDERSTORMS.  
LOWS 42-52. HIGHS 65-75. WINDS LESS THAN 15 MPH.    
WEDNESDAY
 
MOSTLY CLEAR. ISOLATED SHOWERS AND THUNDERSTORMS.  
LOWS 40-50. HIGHS 66-76. WINDS LESS THAN 15 MPH.    
THURSDAY
 
MOSTLY CLEAR. ISOLATED SHOWERS AND THUNDERSTORMS.  
LOWS 40-50. HIGHS 66-76.    
FRIDAY
 
MOSTLY CLEAR. ISOLATED SHOWERS AND THUNDERSTORMS. LOWS  
41-51. HIGHS 66-76.  
 

 
 
COZ295-191145-  
SOUTHWEST COLORADO UPPER EAST FORECAST AREA-  
142 PM MDT FRI SEP 18 2020  
   
TONIGHT
 
 
SKY/WEATHER.........PARTLY CLOUDY (30-40%). HAZE.  
MIN TEMPERATURE.....40-50 F.  
MAX HUMIDITY........55-70%.  
20-FOOT WINDS.......UPSLOPE/UPVALLEY 4 TO 8 MPH BECOMING  
DOWNSLOPE/DOWNVALLEY 3 TO 6 MPH BY SUNSET.  
CWR.................0 PERCENT.  
LAL.................1.  
HAINES INDEX........5 OR MODERATE.  
15K FT MSL WINDS....WEST 10 TO 15 MPH INCREASING TO SOUTHWEST 15 TO  
20 MPH AFTER MIDNIGHT.  
MIXING HEIGHT.......9500 FT AGL UNTIL 1900, THEN 1500 FT AGL.  
TRANSPORT WINDS.....SOUTHWEST 5 MPH UNTIL 2400, THEN SOUTHEAST.  
SMOKE DISPERSAL.....POOR.  
   
SATURDAY
 
 
SKY/WEATHER.........MOSTLY SUNNY (20-30%). HAZE UNTIL 1200.  
ISOLATED SHOWERS AND THUNDERSTORMS AFTER 1200.  
MAX TEMPERATURE.....65-75 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.  
LAL.................1 UNTIL 1200, THEN 2.  
HAINES INDEX........5 OR MODERATE.  
15K FT MSL WINDS....SOUTHWEST 15 TO 20 MPH.  
MIXING HEIGHT.......2000 FT AGL UNTIL 1000. 11500 FT AGL AFTER  
1300.  
TRANSPORT WINDS.....SOUTHEAST 5 MPH UNTIL 1200, THEN SOUTHWEST.  
SMOKE DISPERSAL.....POOR UNTIL 0900. VERY GOOD AFTER 1500.  
   
SATURDAY NIGHT
 
 
SKY/WEATHER.........MOSTLY CLEAR (20-30%).  
MIN TEMPERATURE.....42-52 F.  
MAX HUMIDITY........56-66%.  
20-FOOT WINDS.......UPSLOPE/UPVALLEY 4 TO 8 MPH BECOMING  
DOWNSLOPE/DOWNVALLEY 3 TO 6 MPH BY SUNSET.  
CWR.................0 PERCENT.  
LAL.................1.  
HAINES INDEX........5 OR MODERATE.  
15K FT MSL WINDS....WEST 20 TO 25 MPH.  
MIXING HEIGHT.......10000 FT AGL UNTIL 1900. 1000 FT AGL AFTER  
2000.  
TRANSPORT WINDS.....SOUTHWEST 5 TO 10 MPH UNTIL 2400, THEN EAST.  
SMOKE DISPERSAL.....FAIR UNTIL 2100, THEN POOR.  
   
SUNDAY
 
 
SKY/WEATHER.........MOSTLY SUNNY (20-30%). ISOLATED SHOWERS AND  
THUNDERSTORMS AFTER 1200.  
MAX TEMPERATURE.....66-76 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.  
LAL.................1 UNTIL 1200, THEN 2.  
HAINES INDEX........5 OR MODERATE.  
15K FT MSL WINDS....WEST 15 TO 20 MPH DECREASING TO 10 TO 15 MPH IN  
THE AFTERNOON.  
MIXING HEIGHT.......3000 FT AGL UNTIL 1000, THEN 10000 FT AGL.  
TRANSPORT WINDS.....SOUTH 5 MPH UNTIL 1200, THEN WEST.  
SMOKE DISPERSAL.....POOR UNTIL 0900. GOOD AFTER 1200.  
   
FORECAST FOR DAY 3 THROUGH 7
 
   
MONDAY
 
MOSTLY CLEAR. SCATTERED SHOWERS AND THUNDERSTORMS. LOWS  
40-50. HIGHS 69-79. WINDS LESS THAN 15 MPH.    
TUESDAY
 
PARTLY CLOUDY. SCATTERED SHOWERS AND THUNDERSTORMS.  
LOWS 40-50. HIGHS 67-77. WINDS LESS THAN 15 MPH.    
WEDNESDAY
 
MOSTLY CLEAR. SCATTERED SHOWERS AND THUNDERSTORMS.  
LOWS 39-49. HIGHS 68-78. WINDS LESS THAN 15 MPH.    
THURSDAY
 
MOSTLY CLEAR. ISOLATED SHOWERS AND THUNDERSTORMS.  
LOWS 39-49. HIGHS 67-77.    
FRIDAY
 
MOSTLY CLEAR. ISOLATED SHOWERS AND THUNDERSTORMS. LOWS  
39-49. HIGHS 67-77.  
 

 
 
UTZ485-191145-  
EASTERN ASHLEY NATIONAL FOREST-  
142 PM MDT FRI SEP 18 2020  
   
TONIGHT
 
 
SKY/WEATHER.........MOSTLY CLOUDY (70-80%) UNTIL 2400, THEN PARTLY  
CLOUDY (50-60%). HAZE.  
MIN TEMPERATURE.....47-57 F NEAR 7000 FEET  
32-42 F NEAR 10000 FEET.  
24 HR TREND......9 DEGREES WARMER.  
MAX HUMIDITY........31-41% NEAR 7000 FEET  
39-49% NEAR 10000 FEET.  
24 HR TREND......4% WETTER.  
20-FOOT WINDS.......DOWNSLOPE/DOWNVALLEY WINDS 3 TO 6 MPH.  
LOCALIZED GUSTS UP TO 20 MPH IN THE EVENING.  
CWR.................0 PERCENT.  
LAL.................1.  
HAINES INDEX........6 OR HIGH.  
MIXING HEIGHT.......9500 FT AGL UNTIL 1900. 1500 FT AGL AFTER 2200.  
TRANSPORT WINDS.....SOUTHWEST 5 TO 10 MPH.  
CLEARING INDEX......1050 UNTIL 1900, THEN LESS THAN 500.  
   
SATURDAY
 
 
SKY/WEATHER.........PARTLY CLOUDY (40-50%). NEAR 10000 FEET, HAZE  
UNTIL 1200. SCATTERED SHOWERS. ISOLATED  
THUNDERSTORMS AFTER 1200.  
MAX TEMPERATURE.....65-75 F NEAR 7000 FEET  
48-58 F NEAR 10000 FEET.  
24 HR TREND......4 DEGREES COOLER.  
MIN HUMIDITY........18-28%.  
24 HR TREND......8% WETTER.  
20-FOOT WINDS.......DOWNSLOPE/DOWNVALLEY WINDS 4 TO 8 MPH BECOMING  
SOUTHWEST 15 TO 20 MPH IN THE AFTERNOON.  
LOCALIZED GUSTS UP TO 35 MPH.  
CWR.................10 PERCENT.  
LAL.................1 UNTIL 1200, THEN 2.  
HAINES INDEX........5 OR MODERATE.  
MIXING HEIGHT.......1000 FT AGL UNTIL 0900. 9500 FT AGL AFTER 1000.  
TRANSPORT WINDS.....SOUTH 10 TO 15 MPH UNTIL 1200, THEN SOUTHWEST  
20 TO 25 MPH.  
CLEARING INDEX......LESS THAN 500 UNTIL 0900. 1050 AFTER 1000.  
   
SATURDAY NIGHT
 
 
SKY/WEATHER.........MOSTLY CLEAR (20-30%). ISOLATED SHOWERS UNTIL  
2400.  
MIN TEMPERATURE.....40-50 F NEAR 7000 FEET  
27-37 F NEAR 10000 FEET.  
24 HR TREND......9 DEGREES COOLER.  
MAX HUMIDITY........56-66%.  
24 HR TREND......12% WETTER.  
20-FOOT WINDS.......DOWNSLOPE/DOWNVALLEY WINDS 3 TO 6 MPH.  
LOCALIZED GUSTS UP TO 35 MPH IN THE EVENING.  
CWR.................10 PERCENT.  
LAL.................1.  
HAINES INDEX........4 OR LOW.  
MIXING HEIGHT.......5500 FT AGL UNTIL 2000, THEN 1000 FT AGL.  
TRANSPORT WINDS.....NORTHWEST 5 MPH.  
CLEARING INDEX......1050 UNTIL 1900. LESS THAN 500 AFTER 2000.  
   
SUNDAY
 
 
SKY/WEATHER.........MOSTLY SUNNY (10-20%).  
MAX TEMPERATURE.....63-73 F NEAR 7000 FEET  
49-59 F NEAR 10000 FEET.  
24 HR TREND......2 DEGREES COOLER.  
MIN HUMIDITY........18-28%.  
24 HR TREND......UNCHANGED.  
20-FOOT WINDS.......UPSLOPE/UPVALLEY WINDS 4 TO 8 MPH. LOCALIZED  
GUSTS UP TO 25 MPH IN THE AFTERNOON.  
CWR.................0 PERCENT.  
LAL.................1.  
HAINES INDEX........4 OR LOW.  
MIXING HEIGHT.......2000 FT AGL UNTIL 1000, THEN 9000 FT AGL.  
TRANSPORT WINDS.....SOUTHWEST 5 MPH UNTIL 1200, THEN 10 TO 15 MPH.  
CLEARING INDEX......LESS THAN 500 UNTIL 1000. 1050 AFTER 1200.  
   
FORECAST FOR DAY 3 THROUGH 7
 
   
MONDAY
 
MOSTLY CLEAR. SCATTERED SHOWERS AND ISOLATED  
THUNDERSTORMS NEAR 7000 FEET AND SCATTERED SHOWERS AND ISOLATED  
THUNDERSTORMS NEAR 10000 FEET. LOWS 45-55. HIGHS 68-78. WINDS  
LESS THAN 15 MPH.    
TUESDAY
 
MOSTLY CLOUDY. SCATTERED SHOWERS AND THUNDERSTORMS  
NEAR 7000 FEET AND NUMEROUS SHOWERS AND SCATTERED THUNDERSTORMS  
NEAR 10000 FEET. LOWS 47-57. HIGHS 66-76. WINDS LESS THAN  
15 MPH.    
WEDNESDAY
 
PARTLY CLOUDY. ISOLATED SHOWERS AND THUNDERSTORMS.  
LOWS 44-54. HIGHS 66-76. WINDS LESS THAN 15 MPH.    
THURSDAY
 
CLEAR. LOWS 42-52. HIGHS 68-78.    
FRIDAY
 
CLEAR. ISOLATED SHOWERS NEAR 7000 FEET AND ISOLATED  
SHOWERS AND THUNDERSTORMS NEAR 10000 FEET. LOWS 46-56. HIGHS  
68-78.  
 

 
 
UTZ486-191145-  
EASTERN UINTA BASIN-  
142 PM MDT FRI SEP 18 2020  
   
TONIGHT
 
 
SKY/WEATHER.........MOSTLY CLOUDY (70-80%) UNTIL 2400, THEN PARTLY  
CLOUDY (50-60%). HAZE.  
MIN TEMPERATURE.....49-59 F.  
24 HR TREND......4 DEGREES WARMER.  
MAX HUMIDITY........30-40%.  
24 HR TREND......1% DRIER.  
20-FOOT WINDS.......DOWNSLOPE/DOWNVALLEY WINDS 3 TO 6 MPH.  
LOCALIZED GUSTS UP TO 20 MPH IN THE EVENING.  
CWR.................0 PERCENT.  
LAL.................1.  
HAINES INDEX........6 OR HIGH.  
MIXING HEIGHT.......9500 FT AGL UNTIL 1900. 1000 FT AGL AFTER 2200.  
TRANSPORT WINDS.....SOUTHWEST 5 MPH UNTIL 2400, THEN EAST.  
CLEARING INDEX......1050 UNTIL 1900, THEN LESS THAN 500.  
   
SATURDAY
 
 
SKY/WEATHER.........PARTLY CLOUDY (40-50%). NEAR 6000 FEET,  
ISOLATED SHOWERS. ISOLATED THUNDERSTORMS AFTER  
1200. HAZE UNTIL 1200. NEAR 8000 FEET,  
ISOLATED SHOWERS UNTIL 1200, SCATTERED SHOWERS  
AND ISOLATED THUNDERSTORMS AFTER 1200.  
MAX TEMPERATURE.....72-82 F NEAR 6000 FEET  
61-71 F NEAR 8000 FEET.  
24 HR TREND......2 DEGREES COOLER.  
MIN HUMIDITY........14-24%.  
24 HR TREND......9% WETTER.  
20-FOOT WINDS.......DOWNSLOPE/DOWNVALLEY WINDS 4 TO 8 MPH BECOMING  
SOUTHWEST 15 TO 20 MPH IN THE AFTERNOON.  
LOCALIZED GUSTS UP TO 40 MPH.  
CWR.................10 PERCENT.  
LAL.................2.  
HAINES INDEX........5 OR MODERATE.  
MIXING HEIGHT.......1500 FT AGL UNTIL 1000. 11000 FT AGL AFTER  
1200.  
TRANSPORT WINDS.....SOUTH 5 TO 10 MPH UNTIL 1200, THEN SOUTHWEST 20  
TO 30 MPH.  
CLEARING INDEX......LESS THAN 500 UNTIL 1000. 1050 AFTER 1100.  
   
SATURDAY NIGHT
 
 
SKY/WEATHER.........PARTLY CLOUDY (30-40%). ISOLATED SHOWERS UNTIL  
2400.  
MIN TEMPERATURE.....44-54 F NEAR 6000 FEET  
38-48 F NEAR 8000 FEET.  
24 HR TREND......7 DEGREES COOLER.  
MAX HUMIDITY........57-67%.  
24 HR TREND......26% WETTER.  
20-FOOT WINDS.......DOWNSLOPE/DOWNVALLEY WINDS 3 TO 6 MPH.  
LOCALIZED GUSTS UP TO 35 MPH IN THE EVENING.  
CWR.................10 PERCENT.  
LAL.................1.  
HAINES INDEX........4 OR LOW.  
MIXING HEIGHT.......6500 FT AGL UNTIL 1900, THEN 1000 FT AGL.  
TRANSPORT WINDS.....NORTH 5 MPH.  
CLEARING INDEX......1050 UNTIL 1900, THEN LESS THAN 500.  
   
SUNDAY
 
 
SKY/WEATHER.........MOSTLY SUNNY (10-20%).  
MAX TEMPERATURE.....69-79 F NEAR 6000 FEET  
58-68 F NEAR 8000 FEET.  
24 HR TREND......2 DEGREES COOLER.  
MIN HUMIDITY........14-24%.  
24 HR TREND......2% DRIER.  
20-FOOT WINDS.......DOWNSLOPE/DOWNVALLEY 3 TO 6 MPH BECOMING  
UPSLOPE/UPVALLEY 4 TO 8 MPH BY 1100.  
CWR.................0 PERCENT.  
LAL.................1.  
HAINES INDEX........4 OR LOW.  
MIXING HEIGHT.......3000 FT AGL UNTIL 1100, THEN 10000 FT AGL.  
TRANSPORT WINDS.....EAST 5 MPH UNTIL 1200, THEN SOUTHWEST 15 TO 20  
MPH.  
CLEARING INDEX......LESS THAN 500 UNTIL 1100. 1050 AFTER 1200.  
   
FORECAST FOR DAY 3 THROUGH 7
 
   
MONDAY
 
MOSTLY CLEAR. ISOLATED SHOWERS AND THUNDERSTORMS . LOWS  
48-58. HIGHS 74-84. WINDS LESS THAN 15 MPH.    
TUESDAY
 
PARTLY CLOUDY. SCATTERED SHOWERS AND THUNDERSTORMS.  
LOWS 50-60. HIGHS 72-82. WINDS LESS THAN 15 MPH.    
WEDNESDAY
 
MOSTLY CLEAR. ISOLATED SHOWERS AND THUNDERSTORMS  
NEAR 6000 FEET AND SCATTERED SHOWERS AND THUNDERSTORMS NEAR  
8000 FEET. LOWS 47-57. HIGHS 72-82. WINDS LESS THAN 15 MPH.    
THURSDAY
 
CLEAR. LOWS 45-55. HIGHS 72-82.    
FRIDAY
 
CLEAR. LOWS 47-57. HIGHS 73-83.  
 

 
 
UTZ487-191145-  
BOOK CLIFFS-  
142 PM MDT FRI SEP 18 2020  
   
TONIGHT
 
 
SKY/WEATHER.........MOSTLY CLOUDY (70-80%) UNTIL 2400, THEN PARTLY  
CLOUDY (40-50%). HAZE.  
MIN TEMPERATURE.....52-62 F NEAR 6000 FEET  
47-57 F NEAR 8000 FEET.  
24 HR TREND......8 DEGREES WARMER.  
MAX HUMIDITY........23-33%.  
24 HR TREND......4% DRIER.  
20-FOOT WINDS.......DOWNSLOPE/DOWNVALLEY WINDS 3 TO 6 MPH.  
LOCALIZED GUSTS UP TO 20 MPH IN THE EVENING.  
CWR.................0 PERCENT.  
LAL.................1.  
HAINES INDEX........6 OR HIGH.  
MIXING HEIGHT.......11500 FT AGL UNTIL 1900, THEN 1000 FT AGL.  
TRANSPORT WINDS.....SOUTH 5 TO 10 MPH.  
CLEARING INDEX......1050 UNTIL 1900, THEN LESS THAN 500.  
   
SATURDAY
 
 
SKY/WEATHER.........PARTLY CLOUDY (30-40%). HAZE UNTIL 1200.  
ISOLATED SHOWERS AFTER 1200.  
MAX TEMPERATURE.....73-83 F NEAR 6000 FEET  
67-77 F NEAR 8000 FEET.  
24 HR TREND......2 DEGREES COOLER.  
MIN HUMIDITY........12-17%.  
24 HR TREND......5% WETTER.  
20-FOOT WINDS.......SOUTH WINDS 10 TO 15 MPH INCREASING TO  
SOUTHWEST 20 TO 25 MPH IN THE AFTERNOON.  
LOCALIZED GUSTS UP TO 40 MPH.  
CWR.................10 PERCENT.  
LAL.................1.  
HAINES INDEX........5 OR MODERATE.  
MIXING HEIGHT.......1500 FT AGL UNTIL 1000, THEN 12000 FT AGL.  
TRANSPORT WINDS.....SOUTH 15 TO 20 MPH UNTIL 1200, THEN SOUTHWEST  
25 TO 35 MPH.  
CLEARING INDEX......LESS THAN 500 UNTIL 1000, THEN 1050.  
   
SATURDAY NIGHT
 
 
SKY/WEATHER.........PARTLY CLOUDY (30-40%). ISOLATED SHOWERS UNTIL  
2400.  
MIN TEMPERATURE.....47-57 F NEAR 6000 FEET  
43-53 F NEAR 8000 FEET.  
24 HR TREND......6 DEGREES COOLER.  
MAX HUMIDITY........50-60%.  
24 HR TREND......29% WETTER.  
20-FOOT WINDS.......WEST WINDS 10 TO 15 MPH WITH GUSTS TO 35 MPH IN  
THE EVENING BECOMING DOWNSLOPE/DOWNVALLEY 3 TO  
6 MPH BY SUNSET.  
CWR.................10 PERCENT.  
LAL.................1.  
HAINES INDEX........4 OR LOW.  
MIXING HEIGHT.......9500 FT AGL UNTIL 1900, THEN 1000 FT AGL.  
TRANSPORT WINDS.....SOUTHWEST 10 TO 15 MPH UNTIL 2400, THEN SOUTH 5  
MPH.  
CLEARING INDEX......1050 UNTIL 1900, THEN LESS THAN 500.  
   
SUNDAY
 
 
SKY/WEATHER.........MOSTLY SUNNY (10-20%).  
MAX TEMPERATURE.....70-80 F NEAR 6000 FEET  
66-76 F NEAR 8000 FEET.  
24 HR TREND......1 DEGREE COOLER.  
MIN HUMIDITY........11-21%.  
24 HR TREND......1% WETTER.  
20-FOOT WINDS.......UPSLOPE/UPVALLEY WINDS 4 TO 8 MPH. LOCALIZED  
GUSTS UP TO 25 MPH IN THE AFTERNOON.  
CWR.................0 PERCENT.  
LAL.................1.  
HAINES INDEX........3 OR VERY LOW.  
MIXING HEIGHT.......1500 FT AGL UNTIL 1000, THEN 11500 FT AGL.  
TRANSPORT WINDS.....SOUTHEAST 5 MPH UNTIL 1200, THEN SOUTHWEST 10  
TO 15 MPH.  
CLEARING INDEX......LESS THAN 500 UNTIL 1000. 1050 AFTER 1100.  
   
FORECAST FOR DAY 3 THROUGH 7
 
   
MONDAY
 
MOSTLY CLEAR. ISOLATED SHOWERS AND THUNDERSTORMS. LOWS  
49-59. HIGHS 76-86. WINDS LESS THAN 15 MPH.    
TUESDAY
 
PARTLY CLOUDY. SCATTERED SHOWERS AND THUNDERSTORMS.  
LOWS 50-60. HIGHS 73-83. WINDS LESS THAN 15 MPH.    
WEDNESDAY
 
MOSTLY CLEAR. SCATTERED SHOWERS AND THUNDERSTORMS  
NEAR 6000 FEET AND ISOLATED SHOWERS AND THUNDERSTORMS NEAR  
8000 FEET. LOWS 48-58. HIGHS 73-83. WINDS LESS THAN 15 MPH.    
THURSDAY
 
CLEAR. LOWS 46-56. HIGHS 74-84.    
FRIDAY
 
CLEAR. LOWS 49-59. HIGHS 75-85.  
 

 
 
UTZ490-191145-  
COLORADO RIVER BASIN-  
142 PM MDT FRI SEP 18 2020  
 
...RED FLAG WARNING IN EFFECT FROM NOON TO 8 PM MDT SATURDAY FOR  
GUSTY WINDS, LOW HUMIDITY AND DRY FUELS...  
   
TONIGHT
 
 
SKY/WEATHER.........NEAR 5000 FEET, PARTLY CLOUDY (50-60%). NEAR  
7000 FEET, MOSTLY CLOUDY (60-70%) UNTIL 2400,  
THEN PARTLY CLOUDY (40-50%). HAZE.  
MIN TEMPERATURE.....53-63 F.  
24 HR TREND......5 DEGREES WARMER.  
MAX HUMIDITY........24-34%.  
24 HR TREND......2% DRIER.  
20-FOOT WINDS.......UPSLOPE/UPVALLEY 4 TO 8 MPH BECOMING  
DOWNSLOPE/DOWNVALLEY 3 TO 6 MPH BY SUNSET.  
CWR.................0 PERCENT.  
LAL.................1.  
HAINES INDEX........6 OR HIGH.  
MIXING HEIGHT.......11000 FT AGL UNTIL 1900, THEN 1000 FT AGL.  
TRANSPORT WINDS.....SOUTH 5 TO 10 MPH.  
CLEARING INDEX......1050 UNTIL 1900, THEN LESS THAN 500.  
   
SATURDAY
 
 
SKY/WEATHER.........PARTLY CLOUDY (30-40%). HAZE UNTIL 1200.  
ISOLATED SHOWERS AFTER 1200.  
MAX TEMPERATURE.....81-91 F NEAR 5000 FEET  
70-80 F NEAR 7000 FEET.  
24 HR TREND......1 DEGREE WARMER.  
MIN HUMIDITY........11-16%.  
24 HR TREND......3% WETTER.  
20-FOOT WINDS.......DOWNSLOPE/DOWNVALLEY WINDS 4 TO 8 MPH BECOMING  
SOUTHWEST 15 TO 20 MPH IN THE AFTERNOON.  
LOCALIZED GUSTS UP TO 40 MPH.  
CWR.................10 PERCENT.  
LAL.................1.  
HAINES INDEX........5 OR MODERATE.  
MIXING HEIGHT.......1500 FT AGL UNTIL 1000. 14500 FT AGL AFTER  
1100.  
TRANSPORT WINDS.....SOUTH 5 TO 10 MPH UNTIL 1200, THEN SOUTHWEST 20  
TO 30 MPH.  
CLEARING INDEX......LESS THAN 500 UNTIL 1000. 1050 AFTER 1100.  
   
SATURDAY NIGHT
 
 
SKY/WEATHER.........PARTLY CLOUDY (30-40%). ISOLATED SHOWERS UNTIL  
2400.  
MIN TEMPERATURE.....53-63 F.  
24 HR TREND......UNCHANGED.  
MAX HUMIDITY........39-49%.  
24 HR TREND......16% WETTER.  
20-FOOT WINDS.......SOUTHWEST WINDS 10 TO 15 MPH WITH GUSTS TO 40  
MPH IN THE EVENING BECOMING  
DOWNSLOPE/DOWNVALLEY 3 TO 6 MPH BY SUNSET.  
CWR.................10 PERCENT.  
LAL.................1.  
HAINES INDEX........5 OR MODERATE.  
MIXING HEIGHT.......12000 FT AGL UNTIL 1900, THEN 1000 FT AGL.  
TRANSPORT WINDS.....SOUTHWEST 10 TO 15 MPH UNTIL 2400, THEN EAST 5  
MPH.  
CLEARING INDEX......1050 UNTIL 1900, THEN LESS THAN 500.  
   
SUNDAY
 
 
SKY/WEATHER.........MOSTLY SUNNY (10-20%).  
MAX TEMPERATURE.....81-91 F NEAR 5000 FEET  
69-79 F NEAR 7000 FEET.  
24 HR TREND......2 DEGREES COOLER.  
MIN HUMIDITY........11-16%.  
24 HR TREND......UNCHANGED.  
20-FOOT WINDS.......DOWNSLOPE/DOWNVALLEY 3 TO 6 MPH BECOMING  
UPSLOPE/UPVALLEY 4 TO 8 MPH BY 1100.  
CWR.................0 PERCENT.  
LAL.................1.  
HAINES INDEX........4 OR LOW.  
MIXING HEIGHT.......1500 FT AGL UNTIL 1000. 12500 FT AGL AFTER  
1200.  
TRANSPORT WINDS.....SOUTHEAST 5 MPH UNTIL 1200, THEN SOUTHWEST 10  
TO 15 MPH.  
CLEARING INDEX......LESS THAN 500 UNTIL 1000. 1050 AFTER 1100.  
   
FORECAST FOR DAY 3 THROUGH 7
 
   
MONDAY
 
MOSTLY CLEAR. ISOLATED SHOWERS AND THUNDERSTORMS. LOWS  
54-64. HIGHS 81-91. WINDS LESS THAN 15 MPH.    
TUESDAY
 
PARTLY CLOUDY. ISOLATED SHOWERS AND THUNDERSTORMS NEAR  
5000 FEET AND SCATTERED SHOWERS AND ISOLATED THUNDERSTORMS NEAR  
7000 FEET. LOWS 54-64. HIGHS 78-88. WINDS LESS THAN 15 MPH.    
WEDNESDAY
 
MOSTLY CLEAR. ISOLATED SHOWERS AND THUNDERSTORMS.  
LOWS 52-62. HIGHS 79-89. WINDS LESS THAN 15 MPH.    
THURSDAY
 
CLEAR. LOWS 50-60. HIGHS 79-89.    
FRIDAY
 
CLEAR. LOWS 52-62. HIGHS 80-90.  
 

 
 
UTZ491-191145-  
SOUTHEAST UTAH-  
142 PM MDT FRI SEP 18 2020  
   
TONIGHT
 
 
SKY/WEATHER.........PARTLY CLOUDY (30-40%). NEAR 5000 FEET, HAZE.  
NEAR 8000 FEET, HAZE UNTIL 2400.  
MIN TEMPERATURE.....53-63 F.  
24 HR TREND......3 DEGREES WARMER.  
MAX HUMIDITY........35-45% NEAR 5000 FEET  
28-38% NEAR 8000 FEET.  
24 HR TREND......3% DRIER.  
20-FOOT WINDS.......DOWNSLOPE/DOWNVALLEY WINDS 3 TO 6 MPH.  
LOCALIZED GUSTS UP TO 20 MPH AFTER MIDNIGHT.  
CWR.................0 PERCENT.  
LAL.................1.  
HAINES INDEX........6 OR HIGH.  
MIXING HEIGHT.......12000 FT AGL UNTIL 1900, THEN 1000 FT AGL.  
TRANSPORT WINDS.....SOUTHEAST 5 MPH.  
CLEARING INDEX......1050 UNTIL 1900, THEN LESS THAN 500.  
   
SATURDAY
 
 
SKY/WEATHER.........PARTLY CLOUDY (30-40%) UNTIL 1200, THEN MOSTLY  
SUNNY (20-30%). NEAR 5000 FEET, HAZE UNTIL  
1200.  
MAX TEMPERATURE.....79-89 F NEAR 5000 FEET  
65-75 F NEAR 8000 FEET.  
24 HR TREND......1 DEGREE COOLER.  
MIN HUMIDITY........11-16% NEAR 5000 FEET  
15-25% NEAR 8000 FEET.  
24 HR TREND......3% WETTER.  
20-FOOT WINDS.......DOWNSLOPE/DOWNVALLEY WINDS 4 TO 8 MPH BECOMING  
SOUTHWEST 10 TO 15 MPH IN THE AFTERNOON.  
LOCALIZED GUSTS UP TO 35 MPH.  
CWR.................0 PERCENT.  
LAL.................1.  
HAINES INDEX........5 OR MODERATE.  
MIXING HEIGHT.......1000 FT AGL UNTIL 1000. 14500 FT AGL AFTER  
1100.  
TRANSPORT WINDS.....SOUTHEAST 5 TO 10 MPH UNTIL 1200, THEN  
SOUTHWEST 15 TO 20 MPH.  
CLEARING INDEX......LESS THAN 500 UNTIL 1000, THEN 1050.  
   
SATURDAY NIGHT
 
 
SKY/WEATHER.........PARTLY CLOUDY (30-40%).  
MIN TEMPERATURE.....53-63 F.  
24 HR TREND......6 DEGREES WARMER.  
MAX HUMIDITY........42-52% NEAR 5000 FEET  
34-44% NEAR 8000 FEET.  
24 HR TREND......18% WETTER.  
20-FOOT WINDS.......DOWNSLOPE/DOWNVALLEY WINDS 3 TO 6 MPH.  
LOCALIZED GUSTS UP TO 35 MPH IN THE EVENING.  
CWR.................0 PERCENT.  
LAL.................1.  
HAINES INDEX........5 OR MODERATE.  
MIXING HEIGHT.......13000 FT AGL UNTIL 1900. 500 FT AGL AFTER 2000.  
TRANSPORT WINDS.....SOUTH 5 MPH.  
CLEARING INDEX......1000 UNTIL 2000, THEN LESS THAN 500.  
   
SUNDAY
 
 
SKY/WEATHER.........MOSTLY SUNNY (10-20%).  
MAX TEMPERATURE.....79-89 F NEAR 5000 FEET  
65-75 F NEAR 8000 FEET.  
24 HR TREND......UNCHANGED.  
MIN HUMIDITY........11-16%.  
24 HR TREND......UNCHANGED.  
20-FOOT WINDS.......DOWNSLOPE/DOWNVALLEY 3 TO 6 MPH BECOMING  
UPSLOPE/UPVALLEY 4 TO 8 MPH BY 1100.  
CWR.................0 PERCENT.  
LAL.................1.  
HAINES INDEX........4 OR LOW.  
MIXING HEIGHT.......1500 FT AGL UNTIL 1000. 12000 FT AGL AFTER  
1200.  
TRANSPORT WINDS.....SOUTHWEST 5 MPH.  
CLEARING INDEX......LESS THAN 500 UNTIL 1000. 1050 AFTER 1100.  
   
FORECAST FOR DAY 3 THROUGH 7
 
   
MONDAY
 
MOSTLY CLEAR. ISOLATED SHOWERS AND THUNDERSTORMS . LOWS  
51-61. HIGHS 81-91. WINDS LESS THAN 15 MPH.    
TUESDAY
 
MOSTLY CLEAR. ISOLATED SHOWERS AND THUNDERSTORMS .  
LOWS 51-61. HIGHS 79-89. WINDS LESS THAN 15 MPH.    
WEDNESDAY
 
MOSTLY CLEAR. ISOLATED SHOWERS AND THUNDERSTORMS .  
LOWS 49-59. HIGHS 80-90. WINDS LESS THAN 15 MPH.    
THURSDAY
 
CLEAR. LOWS 48-58. HIGHS 79-89.    
FRIDAY
 
CLEAR. LOWS 49-59. HIGHS 79-89.  
 

 
 
CLICK HERE TO GO TO PREVIOUS BULLETINS.

The Nexlab CO Page
The Nexlab UT Page Main Text Page