998  
FNUS55 KGJT 310709  
FWFGJT  
 
FIRE WEATHER PLANNING FORECAST FOR WRN COLORADO AND ERN UTAH  
NATIONAL WEATHER SERVICE GRAND JUNCTION CO  
109 AM MDT MON AUG 31 2026  
   
DISCUSSION
 
 
SHOWERS AND THUNDERSTORMS ARE ON TAP AGAIN TODAY WITH HEAVY RAIN,  
GUSTY OUTFLOW WINDS, AND LIGHTNING BEING THE MAIN CONCERNS. FLASH  
FLOODING WILL BE POSSIBLE UNDER AND NEAR THE STRONGEST STORMS AND  
SHOWERS. MOISTURE BECOMES LIMITED TUESDAY ONWARDS WITH A  
NOTICEABLE DOWNTURN IN CONVECTION EXPECTED. FIRE WEATHER CONCERNS  
REMAIN LOW.  
 
...GUSTY ERRATIC WINDS CAN BE EXPECTED NEAR ANY SHOWERS  
OR THUNDERSTORMS...   
..THE SMOKE DATA IS CALCULATED FROM AN AVERAGE AT 6000 FEET MSL
 
 
COZ200-312315-  
LITTLE SNAKE FORECAST AREA-  
109 AM MDT MON AUG 31 2026  
   
TODAY
 
 
SKY/WEATHER.........PARTLY CLOUDY (50-60%) UNTIL 1200, THEN MOSTLY  
CLOUDY (70-80%). ISOLATED SHOWERS AND  
THUNDERSTORMS AFTER 1200.  
CHC OF LIGHTNING....20 PERCENT.  
MAX TEMPERATURE.....70-80 F NEAR 6000 FEET  
60-70 F NEAR 8000 FEET.  
MIN HUMIDITY........34-44% NEAR 6000 FEET  
42-52% 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....SOUTHWEST 20 TO 25 MPH DECREASING TO 15 TO 20  
MPH IN THE AFTERNOON.  
MIXING HEIGHT.......2500 FT AGL UNTIL 1200, THEN 6000 FT AGL.  
TRANSPORT WINDS.....SOUTHWEST 5 MPH.  
SMOKE DISPERSAL.....POOR UNTIL 1200, THEN FAIR.  
   
TONIGHT
 
 
SKY/WEATHER.........MOSTLY CLOUDY (60-70%). NUMEROUS SHOWERS AND  
SCATTERED THUNDERSTORMS UNTIL 2400. SCATTERED  
SHOWERS AND ISOLATED THUNDERSTORMS AFTER 2400.  
CHC OF LIGHTNING....50 PERCENT.  
MIN TEMPERATURE.....46-56 F.  
MAX HUMIDITY........86-100% NEAR 6000 FEET  
79-94% NEAR 8000 FEET.  
20-FOOT WINDS.......DOWNSLOPE/DOWNVALLEY WINDS 3 TO 6 MPH.  
LOCALIZED GUSTS UP TO 20 MPH IN THE EVENING.  
CWR.................60 PERCENT.  
15K FT MSL WINDS....SOUTH 10 TO 15 MPH INCREASING TO SOUTHWEST 15  
TO 20 MPH AFTER MIDNIGHT.  
MIXING HEIGHT.......4000 FT AGL UNTIL 2000, THEN 1500 FT AGL.  
TRANSPORT WINDS.....SOUTH 5 TO 10 MPH.  
SMOKE DISPERSAL.....POOR.  
   
TUESDAY
 
 
SKY/WEATHER.........PARTLY CLOUDY (40-50%) UNTIL 1200, THEN MOSTLY  
SUNNY (10-20%). NEAR 8000 FEET, SCATTERED  
SHOWERS UNTIL 1200.  
CHC OF LIGHTNING....0 PERCENT.  
MAX TEMPERATURE.....68-78 F NEAR 6000 FEET  
58-68 F NEAR 8000 FEET.  
MIN HUMIDITY........33-43% NEAR 6000 FEET  
43-53% NEAR 8000 FEET.  
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.  
15K FT MSL WINDS....WEST 20 TO 25 MPH.  
MIXING HEIGHT.......3500 FT AGL UNTIL 1200, THEN 8500 FT AGL.  
TRANSPORT WINDS.....SOUTHWEST 5 TO 10 MPH UNTIL 1200, THEN 15 TO 20  
MPH.  
SMOKE DISPERSAL.....POOR UNTIL 0900. VERY GOOD AFTER 1200.  
   
FORECAST FOR DAY 3 THROUGH 7
 
   
WEDNESDAY
 
MOSTLY CLEAR. ISOLATED SHOWERS AND THUNDERSTORMS.  
LOWS 46-56. HIGHS 73-83. SOUTHWEST WINDS 10 TO 20 MPH WITH GUSTS  
TO 40 MPH.    
THURSDAY
 
MOSTLY CLEAR. ISOLATED SHOWERS AND THUNDERSTORMS NEAR  
8000 FEET. LOWS 45-55. HIGHS 75-85. SOUTHWEST WINDS 10 TO 20 MPH  
WITH GUSTS TO 35 MPH.    
FRIDAY
 
MOSTLY CLEAR. ISOLATED SHOWERS AND THUNDERSTORMS NEAR  
8000 FEET. LOWS 47-57. HIGHS 78-88. SOUTHWEST WINDS 10 TO 20 MPH  
WITH GUSTS TO 35 MPH.    
SATURDAY
 
PARTLY CLOUDY. SCATTERED THUNDERSTORMS AND ISOLATED  
SHOWERS NEAR 6000 FEET AND SCATTERED SHOWERS AND THUNDERSTORMS  
NEAR 8000 FEET. LOWS 49-59. HIGHS 76-86.    
SUNDAY
 
PARTLY CLOUDY. ISOLATED SHOWERS AND THUNDERSTORMS NEAR  
6000 FEET AND SCATTERED SHOWERS AND THUNDERSTORMS NEAR 8000 FEET.  
LOWS 50-60. HIGHS 78-88.  
 

 
 
COZ201-312315-  
ROUTT FORECAST AREA-  
109 AM MDT MON AUG 31 2026  
   
TODAY
 
 
SKY/WEATHER.........MOSTLY CLOUDY (60-70%). SCATTERED SHOWERS AND  
THUNDERSTORMS AFTER 1200.  
CHC OF LIGHTNING....50 PERCENT.  
MAX TEMPERATURE.....63-73 F.  
MIN HUMIDITY........38-48%.  
20-FOOT WINDS.......DOWNSLOPE/DOWNVALLEY 3 TO 6 MPH BECOMING  
UPSLOPE/UPVALLEY 4 TO 8 MPH BY 1100.  
CWR.................60 PERCENT.  
15K FT MSL WINDS....SOUTHWEST 20 TO 25 MPH DECREASING TO 15 TO 20  
MPH IN THE AFTERNOON.  
MIXING HEIGHT.......1000 FT AGL UNTIL 1000, THEN 6000 FT AGL.  
TRANSPORT WINDS.....SOUTHWEST 5 MPH.  
SMOKE DISPERSAL.....POOR UNTIL 0900. FAIR AFTER 1200.  
   
TONIGHT
 
 
SKY/WEATHER.........MOSTLY CLOUDY (70-80%). NUMEROUS SHOWERS AND  
SCATTERED THUNDERSTORMS UNTIL 2400, THEN  
SCATTERED SHOWERS AND ISOLATED THUNDERSTORMS.  
CHC OF LIGHTNING....50 PERCENT.  
MIN TEMPERATURE.....42-52 F.  
MAX HUMIDITY........81-96%.  
20-FOOT WINDS.......UPSLOPE/UPVALLEY 4 TO 8 MPH BECOMING  
DOWNSLOPE/DOWNVALLEY 3 TO 6 MPH BY SUNSET.  
CWR.................70 PERCENT.  
15K FT MSL WINDS....SOUTHWEST 10 TO 15 MPH INCREASING TO 15 TO 20  
MPH AFTER MIDNIGHT.  
MIXING HEIGHT.......3000 FT AGL UNTIL 2000, THEN 1000 FT AGL.  
TRANSPORT WINDS.....SOUTH 5 TO 10 MPH.  
SMOKE DISPERSAL.....POOR.  
   
TUESDAY
 
 
SKY/WEATHER.........PARTLY CLOUDY (40-50%). SCATTERED SHOWERS UNTIL  
1200, ISOLATED SHOWERS AND THUNDERSTORMS AFTER  
1200.  
CHC OF LIGHTNING....10 PERCENT.  
MAX TEMPERATURE.....62-72 F.  
MIN HUMIDITY........33-43%.  
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.  
MIXING HEIGHT.......2500 FT AGL UNTIL 1000, THEN 8500 FT AGL.  
TRANSPORT WINDS.....SOUTHWEST 5 TO 10 MPH.  
SMOKE DISPERSAL.....POOR UNTIL 0900. VERY GOOD AFTER 1200.  
   
FORECAST FOR DAY 3 THROUGH 7
 
   
WEDNESDAY
 
MOSTLY CLEAR. ISOLATED SHOWERS AND THUNDERSTORMS.  
LOWS 42-52. HIGHS 65-75. SOUTHWEST WINDS 10 TO 20 MPH WITH GUSTS  
TO 35 MPH.    
THURSDAY
 
CLEAR. ISOLATED SHOWERS AND THUNDERSTORMS. LOWS  
43-53. HIGHS 69-79. SOUTHWEST WINDS 10 TO 20 MPH WITH GUSTS TO  
35 MPH.    
FRIDAY
 
MOSTLY CLEAR. ISOLATED SHOWERS AND THUNDERSTORMS. LOWS  
43-53. HIGHS 70-80. SOUTHWEST WINDS 10 TO 20 MPH WITH GUSTS TO  
30 MPH.    
SATURDAY
 
PARTLY CLOUDY. SCATTERED SHOWERS AND THUNDERSTORMS.  
LOWS 46-56. HIGHS 68-78.    
SUNDAY
 
PARTLY CLOUDY. SCATTERED SHOWERS AND THUNDERSTORMS.  
LOWS 47-57. HIGHS 71-81.  
 

 
 
COZ202-312315-  
WHITE RIVER FORECAST AREA-  
109 AM MDT MON AUG 31 2026  
   
TODAY
 
 
SKY/WEATHER.........MOSTLY CLOUDY (70-80%). SCATTERED SHOWERS AND  
THUNDERSTORMS AFTER 1200.  
CHC OF LIGHTNING....40 PERCENT.  
MAX TEMPERATURE.....69-79 F NEAR 6000 FEET  
61-71 F NEAR 8000 FEET.  
MIN HUMIDITY........40-50% NEAR 6000 FEET  
47-57% NEAR 8000 FEET.  
20-FOOT WINDS.......DOWNSLOPE/DOWNVALLEY 3 TO 6 MPH BECOMING  
UPSLOPE/UPVALLEY 4 TO 8 MPH BY 1100.  
CWR.................50 PERCENT.  
15K FT MSL WINDS....SOUTHWEST 20 TO 25 MPH DECREASING TO 15 TO 20  
MPH IN THE AFTERNOON.  
MIXING HEIGHT.......2500 FT AGL UNTIL 1200, THEN 5000 FT AGL.  
TRANSPORT WINDS.....SOUTH 5 MPH.  
SMOKE DISPERSAL.....POOR.  
   
TONIGHT
 
 
SKY/WEATHER.........MOSTLY CLOUDY (70-80%) UNTIL 2400, THEN PARTLY  
CLOUDY (50-60%). NUMEROUS SHOWERS AND SCATTERED  
THUNDERSTORMS UNTIL 2400. SCATTERED SHOWERS AND  
ISOLATED THUNDERSTORMS AFTER 2400.  
CHC OF LIGHTNING....50 PERCENT.  
MIN TEMPERATURE.....46-56 F.  
MAX HUMIDITY........87-100% NEAR 6000 FEET  
76-91% NEAR 8000 FEET.  
20-FOOT WINDS.......UPSLOPE/UPVALLEY 4 TO 8 MPH BECOMING  
DOWNSLOPE/DOWNVALLEY 3 TO 6 MPH BY SUNSET.  
CWR.................70 PERCENT.  
15K FT MSL WINDS....SOUTH 5 TO 10 MPH INCREASING TO SOUTHWEST 15 TO  
20 MPH AFTER MIDNIGHT.  
MIXING HEIGHT.......1000 FT AGL.  
TRANSPORT WINDS.....SOUTH 5 MPH.  
SMOKE DISPERSAL.....POOR.  
   
TUESDAY
 
 
SKY/WEATHER.........NEAR 6000 FEET, PARTLY CLOUDY (30-40%) UNTIL  
1200, THEN MOSTLY SUNNY (10-20%). NEAR 8000  
FEET, PARTLY CLOUDY (40-50%).  
CHC OF LIGHTNING....0 PERCENT.  
MAX TEMPERATURE.....69-79 F NEAR 6000 FEET  
60-70 F NEAR 8000 FEET.  
MIN HUMIDITY........34-44%.  
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 20 TO 25 MPH.  
MIXING HEIGHT.......3000 FT AGL UNTIL 1100, THEN 8500 FT AGL.  
TRANSPORT WINDS.....SOUTHWEST 5 TO 10 MPH.  
SMOKE DISPERSAL.....POOR UNTIL 0900. GOOD AFTER 1200.  
   
FORECAST FOR DAY 3 THROUGH 7
 
   
WEDNESDAY
 
MOSTLY CLEAR. ISOLATED SHOWERS AND THUNDERSTORMS  
NEAR 6000 FEET. LOWS 48-58. HIGHS 74-84. SOUTHWEST WINDS 10 TO  
20 MPH WITH GUSTS TO 35 MPH.    
THURSDAY
 
CLEAR. LOWS 48-58. HIGHS 76-86. SOUTHWEST WINDS 10 TO  
20 MPH WITH GUSTS TO 30 MPH.    
FRIDAY
 
MOSTLY CLEAR. ISOLATED SHOWERS AND THUNDERSTORMS. LOWS  
48-58. HIGHS 78-88. SOUTHWEST WINDS 10 TO 20 MPH WITH GUSTS TO  
30 MPH.    
SATURDAY
 
PARTLY CLOUDY. SCATTERED SHOWERS AND THUNDERSTORMS.  
LOWS 50-60. HIGHS 76-86.    
SUNDAY
 
PARTLY CLOUDY. SCATTERED SHOWERS AND THUNDERSTORMS.  
LOWS 51-61. HIGHS 78-88.  
 

 
 
COZ203-312315-  
LOWER COLORADO RIVER-  
109 AM MDT MON AUG 31 2026  
   
TODAY
 
 
SKY/WEATHER.........MOSTLY CLOUDY (70-80%). ISOLATED SHOWERS AND  
THUNDERSTORMS UNTIL 1200, THEN NUMEROUS SHOWERS  
AND SCATTERED THUNDERSTORMS.  
CHC OF LIGHTNING....50 PERCENT.  
MAX TEMPERATURE.....71-81 F NEAR 6000 FEET  
63-73 F NEAR 8000 FEET.  
MIN HUMIDITY........37-47%.  
20-FOOT WINDS.......DOWNSLOPE/DOWNVALLEY 3 TO 6 MPH BECOMING  
UPSLOPE/UPVALLEY 4 TO 8 MPH BY 1100.  
CWR.................80 PERCENT.  
15K FT MSL WINDS....SOUTHWEST 15 TO 20 MPH DECREASING TO 10 TO 15  
MPH IN THE AFTERNOON.  
MIXING HEIGHT.......4500 FT AGL UNTIL 1700, THEN 2500 FT AGL.  
TRANSPORT WINDS.....SOUTHEAST 5 MPH UNTIL 1200, THEN SOUTHWEST.  
SMOKE DISPERSAL.....POOR.  
   
TONIGHT
 
 
SKY/WEATHER.........MOSTLY CLOUDY (70-80%) UNTIL 2400, THEN PARTLY  
CLOUDY (50-60%). NUMEROUS SHOWERS AND SCATTERED  
THUNDERSTORMS UNTIL 2400, THEN SCATTERED  
SHOWERS.  
CHC OF LIGHTNING....50 PERCENT.  
MIN TEMPERATURE.....50-60 F NEAR 6000 FEET  
44-54 F NEAR 8000 FEET.  
MAX HUMIDITY........72-87%.  
20-FOOT WINDS.......UPSLOPE/UPVALLEY 4 TO 8 MPH BECOMING  
DOWNSLOPE/DOWNVALLEY 3 TO 6 MPH BY SUNSET.  
CWR.................60 PERCENT.  
15K FT MSL WINDS....SOUTHWEST 10 TO 15 MPH INCREASING TO 20 TO 25  
MPH AFTER MIDNIGHT.  
MIXING HEIGHT.......1500 FT AGL.  
TRANSPORT WINDS.....SOUTH 5 MPH.  
SMOKE DISPERSAL.....POOR.  
   
TUESDAY
 
 
SKY/WEATHER.........PARTLY CLOUDY (40-50%) UNTIL 1200, THEN MOSTLY  
SUNNY (20-30%). SCATTERED SHOWERS AND  
THUNDERSTORMS AFTER 1200.  
CHC OF LIGHTNING....10 PERCENT.  
MAX TEMPERATURE.....72-82 F NEAR 6000 FEET  
62-72 F NEAR 8000 FEET.  
MIN HUMIDITY........31-41%.  
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 20 TO 25 MPH.  
MIXING HEIGHT.......3000 FT AGL UNTIL 1200, THEN 7500 FT AGL.  
TRANSPORT WINDS.....SOUTHWEST 5 MPH.  
SMOKE DISPERSAL.....POOR UNTIL 1200, THEN FAIR.  
   
FORECAST FOR DAY 3 THROUGH 7
 
   
WEDNESDAY
 
MOSTLY CLEAR. ISOLATED SHOWERS AND THUNDERSTORMS.  
LOWS 52-62. HIGHS 75-85. SOUTHWEST WINDS 10 TO 20 MPH WITH GUSTS  
TO 35 MPH.    
THURSDAY
 
MOSTLY CLEAR. ISOLATED SHOWERS. LOWS 53-63. HIGHS  
79-89. SOUTHWEST WINDS 10 TO 20 MPH WITH GUSTS TO 30 MPH.    
FRIDAY
 
MOSTLY CLEAR. ISOLATED SHOWERS AND THUNDERSTORMS. LOWS  
54-64. HIGHS 79-89. WINDS LESS THAN 15 MPH.    
SATURDAY
 
PARTLY CLOUDY. SCATTERED SHOWERS AND THUNDERSTORMS.  
LOWS 55-65. HIGHS 78-88.    
SUNDAY
 
PARTLY CLOUDY. SCATTERED SHOWERS AND THUNDERSTORMS.  
LOWS 56-66. HIGHS 80-90.  
 

 
 
COZ205-312315-  
COLORADO RIVER HEADWATERS-  
109 AM MDT MON AUG 31 2026  
   
TODAY
 
 
SKY/WEATHER.........MOSTLY CLOUDY (70-80%). ISOLATED SHOWERS UNTIL  
1200, NUMEROUS SHOWERS AND SCATTERED  
THUNDERSTORMS AFTER 1200.  
CHC OF LIGHTNING....50 PERCENT.  
MAX TEMPERATURE.....69-79 F.  
MIN HUMIDITY........36-46%.  
20-FOOT WINDS.......DOWNSLOPE/DOWNVALLEY 3 TO 6 MPH BECOMING  
UPSLOPE/UPVALLEY 4 TO 8 MPH BY 1100.  
CWR.................70 PERCENT.  
15K FT MSL WINDS....SOUTHWEST 15 TO 20 MPH.  
MIXING HEIGHT.......1000 FT AGL UNTIL 1000, THEN 5000 FT AGL UNTIL  
1700, THEN 3000 FT AGL.  
TRANSPORT WINDS.....SOUTHWEST 5 MPH.  
SMOKE DISPERSAL.....POOR.  
   
TONIGHT
 
 
SKY/WEATHER.........MOSTLY CLOUDY (60-70%). NUMEROUS SHOWERS AND  
SCATTERED THUNDERSTORMS UNTIL 2400, THEN  
SCATTERED SHOWERS.  
CHC OF LIGHTNING....50 PERCENT.  
MIN TEMPERATURE.....43-53 F.  
MAX HUMIDITY........79-94%.  
20-FOOT WINDS.......UPSLOPE/UPVALLEY 4 TO 8 MPH BECOMING  
DOWNSLOPE/DOWNVALLEY 3 TO 6 MPH BY SUNSET.  
CWR.................60 PERCENT.  
15K FT MSL WINDS....SOUTHWEST 15 TO 20 MPH INCREASING TO 20 TO 30  
MPH AFTER MIDNIGHT.  
MIXING HEIGHT.......1500 FT AGL.  
TRANSPORT WINDS.....SOUTH 5 MPH.  
SMOKE DISPERSAL.....POOR.  
   
TUESDAY
 
 
SKY/WEATHER.........PARTLY CLOUDY (40-50%). ISOLATED SHOWERS AND  
THUNDERSTORMS AFTER 1200.  
CHC OF LIGHTNING....10 PERCENT.  
MAX TEMPERATURE.....69-79 F.  
MIN HUMIDITY........28-38%.  
20-FOOT WINDS.......UPSLOPE/UPVALLEY WINDS 4 TO 8 MPH. LOCALIZED  
GUSTS UP TO 25 MPH IN THE AFTERNOON.  
CWR.................10 PERCENT.  
15K FT MSL WINDS....WEST 20 TO 30 MPH BECOMING SOUTHWEST 20 TO 25  
MPH IN THE AFTERNOON.  
MIXING HEIGHT.......1500 FT AGL UNTIL 1000, THEN 7500 FT AGL.  
TRANSPORT WINDS.....SOUTHWEST 5 MPH UNTIL 1200, THEN WEST 10 TO 15  
MPH.  
SMOKE DISPERSAL.....POOR UNTIL 0900. GOOD AFTER 1200.  
   
FORECAST FOR DAY 3 THROUGH 7
 
   
WEDNESDAY
 
MOSTLY CLEAR. ISOLATED SHOWERS AND THUNDERSTORMS.  
LOWS 43-53. HIGHS 68-78. SOUTHWEST WINDS 10 TO 20 MPH WITH GUSTS  
TO 30 MPH.    
THURSDAY
 
MOSTLY CLEAR. ISOLATED SHOWERS AND THUNDERSTORMS.  
LOWS 43-53. HIGHS 71-81. SOUTHWEST WINDS 10 TO 20 MPH WITH GUSTS  
TO 30 MPH.    
FRIDAY
 
MOSTLY CLEAR. SCATTERED SHOWERS AND THUNDERSTORMS. LOWS  
44-54. HIGHS 72-82. WINDS LESS THAN 15 MPH.    
SATURDAY
 
PARTLY CLOUDY. SCATTERED SHOWERS AND THUNDERSTORMS.  
LOWS 46-56. HIGHS 72-82.    
SUNDAY
 
PARTLY CLOUDY. SCATTERED SHOWERS AND THUNDERSTORMS.  
LOWS 47-57. HIGHS 73-83.  
 

 
 
COZ290-312315-  
PARADOX VALLEY FORECAST AREA-  
109 AM MDT MON AUG 31 2026  
   
TODAY
 
 
SKY/WEATHER.........MOSTLY CLOUDY (70-80%). SCATTERED SHOWERS AND  
ISOLATED THUNDERSTORMS UNTIL 1200. SHOWERS WITH  
NUMEROUS THUNDERSTORMS AFTER 1200.  
CHC OF LIGHTNING....70 PERCENT.  
MAX TEMPERATURE.....70-80 F NEAR 6000 FEET  
63-73 F NEAR 8000 FEET.  
MIN HUMIDITY........39-49% NEAR 6000 FEET  
45-55% NEAR 8000 FEET.  
20-FOOT WINDS.......DOWNSLOPE/DOWNVALLEY 3 TO 6 MPH BECOMING  
UPSLOPE/UPVALLEY 4 TO 8 MPH BY 1100.  
CWR.................80 PERCENT.  
15K FT MSL WINDS....SOUTHWEST 10 TO 15 MPH.  
MIXING HEIGHT.......3000 FT AGL.  
TRANSPORT WINDS.....SOUTH 5 MPH.  
SMOKE DISPERSAL.....POOR.  
   
TONIGHT
 
 
SKY/WEATHER.........MOSTLY CLOUDY (60-70%) UNTIL 2400, THEN PARTLY  
CLOUDY (40-50%). SCATTERED SHOWERS AND  
THUNDERSTORMS UNTIL 2400. NEAR 8000 FEET,  
ISOLATED SHOWERS AFTER 2400.  
CHC OF LIGHTNING....50 PERCENT.  
MIN TEMPERATURE.....45-55 F NEAR 6000 FEET  
43-53 F NEAR 8000 FEET.  
MAX HUMIDITY........72-87% NEAR 6000 FEET  
85-100% NEAR 8000 FEET.  
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.......1500 FT AGL.  
TRANSPORT WINDS.....SOUTHWEST 5 MPH UNTIL 2400, THEN SOUTHEAST.  
SMOKE DISPERSAL.....POOR.  
   
TUESDAY
 
 
SKY/WEATHER.........PARTLY CLOUDY (40-50%) UNTIL 1200, THEN MOSTLY  
SUNNY (20-30%). ISOLATED SHOWERS AND  
THUNDERSTORMS AFTER 1200.  
CHC OF LIGHTNING....10 PERCENT.  
MAX TEMPERATURE.....73-83 F NEAR 6000 FEET  
65-75 F NEAR 8000 FEET.  
MIN HUMIDITY........25-35% NEAR 6000 FEET  
31-41% 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 20 TO 25 MPH.  
MIXING HEIGHT.......2500 FT AGL UNTIL 1100, THEN 9000 FT AGL.  
TRANSPORT WINDS.....SOUTHWEST 5 MPH.  
SMOKE DISPERSAL.....POOR UNTIL 0900. GOOD AFTER 1500.  
   
FORECAST FOR DAY 3 THROUGH 7
 
   
WEDNESDAY
 
MOSTLY CLEAR. ISOLATED SHOWERS AND THUNDERSTORMS.  
LOWS 53-63. HIGHS 76-86. SOUTHWEST WINDS 10 TO 20 MPH WITH GUSTS  
TO 30 MPH.    
THURSDAY
 
MOSTLY CLEAR. LOWS 53-63. HIGHS 79-89. SOUTHWEST  
WINDS 10 TO 20 MPH WITH GUSTS TO 30 MPH.    
FRIDAY
 
MOSTLY CLEAR. SCATTERED SHOWERS AND THUNDERSTORMS. LOWS  
54-64. HIGHS 80-90. SOUTHWEST WINDS 10 TO 20 MPH WITH GUSTS TO  
30 MPH.    
SATURDAY
 
PARTLY CLOUDY. SCATTERED SHOWERS AND THUNDERSTORMS.  
LOWS 56-66. HIGHS 79-89.    
SUNDAY
 
PARTLY CLOUDY. SCATTERED SHOWERS AND THUNDERSTORMS.  
LOWS 57-67. HIGHS 81-91.  
 

 
 
COZ291-312315-  
NORTHERN SAN JUAN FORECAST AREA-  
109 AM MDT MON AUG 31 2026  
   
TODAY
 
 
SKY/WEATHER.........MOSTLY CLOUDY (70-80%). SCATTERED SHOWERS AND  
ISOLATED THUNDERSTORMS UNTIL 1200, THEN SHOWERS  
WITH NUMEROUS THUNDERSTORMS.  
CHC OF LIGHTNING....70 PERCENT.  
MAX TEMPERATURE.....62-72 F.  
MIN HUMIDITY........41-51%.  
20-FOOT WINDS.......DOWNSLOPE/DOWNVALLEY 3 TO 6 MPH BECOMING  
UPSLOPE/UPVALLEY 4 TO 8 MPH BY 1100.  
CWR.................90 PERCENT.  
15K FT MSL WINDS....SOUTHWEST 10 TO 15 MPH INCREASING TO SOUTH 15  
TO 20 MPH IN THE AFTERNOON.  
MIXING HEIGHT.......1000 FT AGL UNTIL 1000, THEN 2500 FT AGL.  
TRANSPORT WINDS.....SOUTH 5 MPH.  
SMOKE DISPERSAL.....POOR.  
   
TONIGHT
 
 
SKY/WEATHER.........MOSTLY CLOUDY (70-80%) UNTIL 2400, THEN PARTLY  
CLOUDY (40-50%). SCATTERED SHOWERS AND  
THUNDERSTORMS UNTIL 2400, ISOLATED SHOWERS AFTER  
2400.  
CHC OF LIGHTNING....50 PERCENT.  
MIN TEMPERATURE.....42-52 F.  
MAX HUMIDITY........79-94%.  
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 20 TO 30 MPH DECREASING TO 15 TO 20  
MPH AFTER MIDNIGHT.  
MIXING HEIGHT.......1000 FT AGL.  
TRANSPORT WINDS.....SOUTHWEST 5 TO 10 MPH.  
SMOKE DISPERSAL.....POOR.  
   
TUESDAY
 
 
SKY/WEATHER.........MOSTLY SUNNY (20-30%) UNTIL 1200, THEN PARTLY  
CLOUDY (30-40%). SCATTERED SHOWERS AND  
THUNDERSTORMS AFTER 1200.  
CHC OF LIGHTNING....30 PERCENT.  
MAX TEMPERATURE.....64-74 F.  
MIN HUMIDITY........30-40%.  
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....SOUTHWEST 20 TO 25 MPH.  
MIXING HEIGHT.......1500 FT AGL UNTIL 1000, THEN 8000 FT AGL.  
TRANSPORT WINDS.....SOUTHWEST 5 TO 10 MPH.  
SMOKE DISPERSAL.....POOR UNTIL 0900. GOOD AFTER 1200.  
   
FORECAST FOR DAY 3 THROUGH 7
 
   
WEDNESDAY
 
MOSTLY CLEAR. ISOLATED SHOWERS AND THUNDERSTORMS.  
LOWS 44-54. HIGHS 68-78. SOUTHWEST WINDS 10 TO 20 MPH WITH GUSTS  
TO 30 MPH.    
THURSDAY
 
MOSTLY CLEAR. LOWS 45-55. HIGHS 71-81. WINDS LESS  
THAN 15 MPH.    
FRIDAY
 
MOSTLY CLEAR. SCATTERED SHOWERS AND THUNDERSTORMS. LOWS  
45-55. HIGHS 71-81. WINDS LESS THAN 15 MPH.    
SATURDAY
 
PARTLY CLOUDY. NUMEROUS SHOWERS AND SCATTERED  
THUNDERSTORMS. LOWS 47-57. HIGHS 71-81.    
SUNDAY
 
PARTLY CLOUDY. SCATTERED SHOWERS AND THUNDERSTORMS.  
LOWS 48-58. HIGHS 72-82.  
 

 
 
COZ292-312315-  
NORTH FORK FORECAST AREA-  
109 AM MDT MON AUG 31 2026  
   
TODAY
 
 
SKY/WEATHER.........MOSTLY CLOUDY (70-80%). NEAR 6000 FEET,  
ISOLATED SHOWERS UNTIL 1200, THEN NUMEROUS  
SHOWERS AND SCATTERED THUNDERSTORMS. NEAR 8000  
FEET, ISOLATED SHOWERS AND THUNDERSTORMS UNTIL  
1200, THEN SHOWERS AND SCATTERED THUNDERSTORMS.  
CHC OF LIGHTNING....50 PERCENT.  
MAX TEMPERATURE.....72-82 F NEAR 6000 FEET  
64-74 F NEAR 8000 FEET.  
MIN HUMIDITY........37-47%.  
20-FOOT WINDS.......DOWNSLOPE/DOWNVALLEY 3 TO 6 MPH BECOMING  
UPSLOPE/UPVALLEY 4 TO 8 MPH BY 1100.  
CWR.................70 PERCENT.  
15K FT MSL WINDS....SOUTHWEST 10 TO 15 MPH.  
MIXING HEIGHT.......3000 FT AGL.  
TRANSPORT WINDS.....SOUTHEAST 5 MPH UNTIL 1200, THEN SOUTHWEST.  
SMOKE DISPERSAL.....POOR.  
   
TONIGHT
 
 
SKY/WEATHER.........NEAR 6000 FEET, MOSTLY CLOUDY (60-70%),  
NUMEROUS SHOWERS AND SCATTERED THUNDERSTORMS  
UNTIL 2400, THEN SCATTERED SHOWERS. NEAR 8000  
FEET, MOSTLY CLOUDY (70-80%) UNTIL 2400, THEN  
PARTLY CLOUDY (50-60%), SCATTERED SHOWERS AND  
THUNDERSTORMS UNTIL 2400, THEN ISOLATED  
SHOWERS.  
CHC OF LIGHTNING....50 PERCENT.  
MIN TEMPERATURE.....48-58 F NEAR 6000 FEET  
43-53 F NEAR 8000 FEET.  
MAX HUMIDITY........77-92% NEAR 6000 FEET  
83-98% NEAR 8000 FEET.  
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 20 TO 25 MPH.  
MIXING HEIGHT.......1500 FT AGL.  
TRANSPORT WINDS.....SOUTHEAST 5 MPH.  
SMOKE DISPERSAL.....POOR.  
   
TUESDAY
 
 
SKY/WEATHER.........NEAR 6000 FEET, PARTLY CLOUDY (30-40%) UNTIL  
1200, THEN MOSTLY SUNNY (20-30%). NEAR 8000  
FEET, PARTLY CLOUDY (30-40%). ISOLATED SHOWERS  
AND THUNDERSTORMS AFTER 1200.  
CHC OF LIGHTNING....10 PERCENT.  
MAX TEMPERATURE.....70-80 F NEAR 6000 FEET  
66-76 F NEAR 8000 FEET.  
MIN HUMIDITY........28-38%.  
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 20 TO 25 MPH.  
MIXING HEIGHT.......2000 FT AGL UNTIL 1100, THEN 8500 FT AGL.  
TRANSPORT WINDS.....SOUTH 5 MPH UNTIL 1200, THEN WEST.  
SMOKE DISPERSAL.....POOR UNTIL 1200. GOOD AFTER 1500.  
   
FORECAST FOR DAY 3 THROUGH 7
 
   
WEDNESDAY
 
MOSTLY CLEAR. ISOLATED SHOWERS AND THUNDERSTORMS.  
LOWS 50-60. HIGHS 77-87. SOUTHWEST WINDS 10 TO 20 MPH WITH GUSTS  
TO 30 MPH.    
THURSDAY
 
MOSTLY CLEAR. ISOLATED SHOWERS AND THUNDERSTORMS.  
LOWS 51-61. HIGHS 80-90. SOUTHWEST WINDS 10 TO 20 MPH WITH GUSTS  
TO 30 MPH.    
FRIDAY
 
MOSTLY CLEAR. SCATTERED SHOWERS AND THUNDERSTORMS. LOWS  
52-62. HIGHS 81-91. WINDS LESS THAN 15 MPH.    
SATURDAY
 
PARTLY CLOUDY. SCATTERED SHOWERS AND THUNDERSTORMS.  
LOWS 54-64. HIGHS 80-90.    
SUNDAY
 
PARTLY CLOUDY. SCATTERED SHOWERS AND THUNDERSTORMS.  
LOWS 55-65. HIGHS 82-92.  
 

 
 
COZ293-312315-  
GUNNISON BASIN FORECAST AREA-  
109 AM MDT MON AUG 31 2026  
   
TODAY
 
 
SKY/WEATHER.........MOSTLY CLOUDY (70-80%). SCATTERED SHOWERS UNTIL  
1200, THEN NUMEROUS SHOWERS AND SCATTERED  
THUNDERSTORMS.  
CHC OF LIGHTNING....50 PERCENT.  
MAX TEMPERATURE.....68-78 F.  
MIN HUMIDITY........38-48%.  
20-FOOT WINDS.......DOWNSLOPE/DOWNVALLEY 3 TO 6 MPH BECOMING  
UPSLOPE/UPVALLEY 4 TO 8 MPH BY 1100.  
CWR.................80 PERCENT.  
15K FT MSL WINDS....SOUTHWEST 10 TO 15 MPH.  
MIXING HEIGHT.......1000 FT AGL UNTIL 1000, THEN 4500 FT AGL UNTIL  
1700, THEN 2500 FT AGL.  
TRANSPORT WINDS.....SOUTHEAST 5 MPH UNTIL 1200, THEN SOUTHWEST.  
SMOKE DISPERSAL.....POOR.  
   
TONIGHT
 
 
SKY/WEATHER.........MOSTLY CLOUDY (70-80%). SCATTERED THUNDERSTORMS  
UNTIL 2400. SCATTERED SHOWERS.  
CHC OF LIGHTNING....50 PERCENT.  
MIN TEMPERATURE.....43-53 F.  
MAX HUMIDITY........83-98%.  
20-FOOT WINDS.......UPSLOPE/UPVALLEY 4 TO 8 MPH BECOMING  
DOWNSLOPE/DOWNVALLEY 3 TO 6 MPH BY SUNSET.  
CWR.................50 PERCENT.  
15K FT MSL WINDS....SOUTHWEST 20 TO 30 MPH.  
MIXING HEIGHT.......1500 FT AGL.  
TRANSPORT WINDS.....SOUTHWEST 5 MPH.  
SMOKE DISPERSAL.....POOR.  
   
TUESDAY
 
 
SKY/WEATHER.........PARTLY CLOUDY (40-50%). ISOLATED SHOWERS AND  
THUNDERSTORMS AFTER 1200.  
CHC OF LIGHTNING....10 PERCENT.  
MAX TEMPERATURE.....70-80 F.  
MIN HUMIDITY........30-40%.  
20-FOOT WINDS.......UPSLOPE/UPVALLEY WINDS 4 TO 8 MPH. LOCALIZED  
GUSTS UP TO 25 MPH IN THE AFTERNOON.  
CWR.................10 PERCENT.  
15K FT MSL WINDS....WEST 20 TO 25 MPH.  
MIXING HEIGHT.......2500 FT AGL UNTIL 1100, THEN 8000 FT AGL.  
TRANSPORT WINDS.....WEST 5 MPH UNTIL 1200, THEN 10 TO 15 MPH.  
SMOKE DISPERSAL.....POOR UNTIL 0900. GOOD AFTER 1200.  
   
FORECAST FOR DAY 3 THROUGH 7
 
   
WEDNESDAY
 
MOSTLY CLEAR. ISOLATED SHOWERS AND THUNDERSTORMS.  
LOWS 42-52. HIGHS 69-79. WEST WINDS 10 TO 20 MPH WITH GUSTS TO  
30 MPH.    
THURSDAY
 
MOSTLY CLEAR. ISOLATED SHOWERS AND THUNDERSTORMS.  
LOWS 42-52. HIGHS 72-82. WINDS LESS THAN 15 MPH.    
FRIDAY
 
MOSTLY CLEAR. SCATTERED SHOWERS AND THUNDERSTORMS. LOWS  
43-53. HIGHS 72-82. WINDS LESS THAN 15 MPH.    
SATURDAY
 
PARTLY CLOUDY. SCATTERED SHOWERS AND THUNDERSTORMS.  
LOWS 45-55. HIGHS 72-82.    
SUNDAY
 
PARTLY CLOUDY. SCATTERED SHOWERS AND THUNDERSTORMS.  
LOWS 46-56. HIGHS 74-84.  
 

 
 
COZ207-312315-  
SOUTHWEST COLORADO LOWER FORECAST AREA-  
109 AM MDT MON AUG 31 2026  
   
TODAY
 
 
SKY/WEATHER.........MOSTLY CLOUDY (70-80%). SCATTERED SHOWERS AND  
ISOLATED THUNDERSTORMS UNTIL 1200, THEN  
NUMEROUS SHOWERS AND SCATTERED THUNDERSTORMS.  
CHC OF LIGHTNING....50 PERCENT.  
MAX TEMPERATURE.....72-82 F.  
MIN HUMIDITY........40-50%.  
20-FOOT WINDS.......DOWNSLOPE/DOWNVALLEY 3 TO 6 MPH BECOMING  
UPSLOPE/UPVALLEY 4 TO 8 MPH BY 1100.  
CWR.................70 PERCENT.  
15K FT MSL WINDS....SOUTHWEST 10 TO 15 MPH INCREASING TO SOUTH 15  
TO 20 MPH IN THE AFTERNOON.  
MIXING HEIGHT.......3000 FT AGL.  
TRANSPORT WINDS.....SOUTH 5 TO 10 MPH UNTIL 1200, THEN SOUTHWEST.  
SMOKE DISPERSAL.....POOR.  
   
TONIGHT
 
 
SKY/WEATHER.........MOSTLY CLOUDY (60-70%) UNTIL 2400, THEN PARTLY  
CLOUDY (30-40%). SCATTERED SHOWERS AND  
THUNDERSTORMS UNTIL 2400, ISOLATED SHOWERS AFTER  
2400.  
CHC OF LIGHTNING....40 PERCENT.  
MIN TEMPERATURE.....48-58 F.  
MAX HUMIDITY........86-100%.  
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.......1000 FT AGL.  
TRANSPORT WINDS.....SOUTHWEST 5 MPH UNTIL 2400, THEN EAST.  
SMOKE DISPERSAL.....POOR.  
   
TUESDAY
 
 
SKY/WEATHER.........PARTLY CLOUDY (30-40%) UNTIL 1200, THEN MOSTLY  
SUNNY (10-20%). ISOLATED SHOWERS AND  
THUNDERSTORMS AFTER 1200.  
CHC OF LIGHTNING....0 PERCENT.  
MAX TEMPERATURE.....75-85 F.  
MIN HUMIDITY........24-34%.  
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 20 TO 25 MPH.  
MIXING HEIGHT.......2500 FT AGL UNTIL 1100, THEN 8000 FT AGL.  
TRANSPORT WINDS.....SOUTHEAST 5 MPH UNTIL 1200, THEN SOUTHWEST.  
SMOKE DISPERSAL.....POOR UNTIL 0900. GOOD AFTER 1200.  
   
FORECAST FOR DAY 3 THROUGH 7
 
   
WEDNESDAY
 
MOSTLY CLEAR. LOWS 50-60. HIGHS 78-88. WINDS LESS  
THAN 15 MPH.    
THURSDAY
 
MOSTLY CLEAR. LOWS 51-61. HIGHS 80-90. WINDS LESS  
THAN 15 MPH.    
FRIDAY
 
MOSTLY CLEAR. ISOLATED SHOWERS AND THUNDERSTORMS. LOWS  
51-61. HIGHS 81-91. WINDS LESS THAN 15 MPH.    
SATURDAY
 
PARTLY CLOUDY. SCATTERED SHOWERS AND THUNDERSTORMS.  
LOWS 52-62. HIGHS 80-90.    
SUNDAY
 
PARTLY CLOUDY. ISOLATED SHOWERS AND THUNDERSTORMS. LOWS  
54-64. HIGHS 83-93.  
 

 
 
COZ294-312315-  
SOUTHWEST COLORADO UPPER WEST FORECAST AREA-  
109 AM MDT MON AUG 31 2026  
   
TODAY
 
 
SKY/WEATHER.........MOSTLY CLOUDY (70-80%). SCATTERED SHOWERS AND  
ISOLATED THUNDERSTORMS UNTIL 1200, THEN SHOWERS  
AND SCATTERED THUNDERSTORMS.  
CHC OF LIGHTNING....50 PERCENT.  
MAX TEMPERATURE.....61-71 F.  
MIN HUMIDITY........48-58%.  
20-FOOT WINDS.......UPSLOPE/UPVALLEY WINDS 4 TO 8 MPH. LOCALIZED  
GUSTS UP TO 20 MPH IN THE AFTERNOON.  
CWR.................80 PERCENT.  
15K FT MSL WINDS....SOUTHWEST 10 TO 15 MPH INCREASING TO SOUTH 15  
TO 20 MPH IN THE AFTERNOON.  
MIXING HEIGHT.......2500 FT AGL.  
TRANSPORT WINDS.....SOUTH 5 TO 10 MPH.  
SMOKE DISPERSAL.....POOR.  
   
TONIGHT
 
 
SKY/WEATHER.........MOSTLY CLOUDY (70-80%) UNTIL 2400, THEN PARTLY  
CLOUDY (30-40%). SCATTERED SHOWERS AND  
THUNDERSTORMS UNTIL 2400, ISOLATED SHOWERS AFTER  
2400.  
CHC OF LIGHTNING....50 PERCENT.  
MIN TEMPERATURE.....43-53 F.  
MAX HUMIDITY........87-100%.  
20-FOOT WINDS.......DOWNSLOPE/DOWNVALLEY WINDS 3 TO 6 MPH.  
LOCALIZED GUSTS UP TO 20 MPH IN THE EVENING.  
CWR.................30 PERCENT.  
15K FT MSL WINDS....SOUTHWEST 15 TO 20 MPH.  
MIXING HEIGHT.......1000 FT AGL.  
TRANSPORT WINDS.....SOUTH 5 MPH.  
SMOKE DISPERSAL.....POOR.  
   
TUESDAY
 
 
SKY/WEATHER.........MOSTLY SUNNY (20-30%). ISOLATED SHOWERS AND  
THUNDERSTORMS AFTER 1200.  
CHC OF LIGHTNING....10 PERCENT.  
MAX TEMPERATURE.....64-74 F.  
MIN HUMIDITY........29-39%.  
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 20 TO 25 MPH.  
MIXING HEIGHT.......1500 FT AGL UNTIL 1000, THEN 7500 FT AGL.  
TRANSPORT WINDS.....SOUTHWEST 5 MPH.  
SMOKE DISPERSAL.....POOR UNTIL 0900. GOOD AFTER 1200.  
   
FORECAST FOR DAY 3 THROUGH 7
 
   
WEDNESDAY
 
MOSTLY CLEAR. ISOLATED SHOWERS AND THUNDERSTORMS.  
LOWS 43-53. HIGHS 66-76. WINDS LESS THAN 15 MPH.    
THURSDAY
 
MOSTLY CLEAR. LOWS 44-54. HIGHS 69-79. WINDS LESS  
THAN 15 MPH.    
FRIDAY
 
MOSTLY CLEAR. SCATTERED SHOWERS AND THUNDERSTORMS. LOWS  
44-54. HIGHS 69-79. WINDS LESS THAN 15 MPH.    
SATURDAY
 
PARTLY CLOUDY. SCATTERED SHOWERS AND THUNDERSTORMS.  
LOWS 45-55. HIGHS 69-79.    
SUNDAY
 
PARTLY CLOUDY. SCATTERED SHOWERS AND THUNDERSTORMS.  
LOWS 47-57. HIGHS 71-81.  
 

 
 
COZ295-312315-  
SOUTHWEST COLORADO UPPER EAST FORECAST AREA-  
109 AM MDT MON AUG 31 2026  
   
TODAY
 
 
SKY/WEATHER.........MOSTLY CLOUDY (70-80%). SCATTERED SHOWERS AND  
ISOLATED THUNDERSTORMS UNTIL 1200, THEN  
NUMEROUS SHOWERS AND THUNDERSTORMS.  
CHC OF LIGHTNING....70 PERCENT.  
MAX TEMPERATURE.....68-78 F.  
MIN HUMIDITY........37-47%.  
20-FOOT WINDS.......DOWNSLOPE/DOWNVALLEY 3 TO 6 MPH BECOMING  
UPSLOPE/UPVALLEY 4 TO 8 MPH BY 1100.  
CWR.................70 PERCENT.  
15K FT MSL WINDS....SOUTHWEST 15 TO 20 MPH INCREASING TO SOUTH 20  
TO 30 MPH IN THE AFTERNOON.  
MIXING HEIGHT.......1000 FT AGL UNTIL 1000. 4500 FT AGL AFTER 1200.  
TRANSPORT WINDS.....EAST 5 MPH UNTIL 1200, THEN SOUTH.  
SMOKE DISPERSAL.....POOR UNTIL 1200, THEN FAIR UNTIL 1500, THEN  
POOR.  
   
TONIGHT
 
 
SKY/WEATHER.........MOSTLY CLOUDY (60-70%). NUMEROUS SHOWERS AND  
SCATTERED THUNDERSTORMS UNTIL 2400, SCATTERED  
SHOWERS AFTER 2400.  
CHC OF LIGHTNING....50 PERCENT.  
MIN TEMPERATURE.....45-55 F.  
MAX HUMIDITY........85-100%.  
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....SOUTH 30 TO 40 MPH BECOMING SOUTHWEST 20 TO 30  
MPH AFTER MIDNIGHT.  
MIXING HEIGHT.......1000 FT AGL.  
TRANSPORT WINDS.....SOUTHWEST 5 TO 10 MPH UNTIL 2400, THEN EAST.  
SMOKE DISPERSAL.....POOR.  
   
TUESDAY
 
 
SKY/WEATHER.........MOSTLY SUNNY (20-30%). ISOLATED SHOWERS AND  
THUNDERSTORMS AFTER 1200.  
CHC OF LIGHTNING....10 PERCENT.  
MAX TEMPERATURE.....70-80 F.  
MIN HUMIDITY........26-36%.  
20-FOOT WINDS.......UPSLOPE/UPVALLEY WINDS 4 TO 8 MPH. LOCALIZED  
GUSTS UP TO 25 MPH IN THE AFTERNOON.  
CWR.................10 PERCENT.  
15K FT MSL WINDS....WEST 20 TO 25 MPH DECREASING TO 15 TO 20 MPH IN  
THE AFTERNOON.  
MIXING HEIGHT.......1500 FT AGL UNTIL 1000, THEN 8500 FT AGL.  
TRANSPORT WINDS.....NORTHWEST 5 MPH UNTIL 1200, THEN SOUTHWEST 10  
TO 15 MPH.  
SMOKE DISPERSAL.....POOR UNTIL 0900. GOOD AFTER 1200.  
   
FORECAST FOR DAY 3 THROUGH 7
 
   
WEDNESDAY
 
MOSTLY CLEAR. ISOLATED SHOWERS AND THUNDERSTORMS.  
LOWS 42-52. HIGHS 70-80. WINDS LESS THAN 15 MPH.    
THURSDAY
 
MOSTLY CLEAR. LOWS 43-53. HIGHS 72-82. WINDS LESS  
THAN 15 MPH.    
FRIDAY
 
PARTLY CLOUDY. SCATTERED SHOWERS AND THUNDERSTORMS.  
LOWS 44-54. HIGHS 72-82. WINDS LESS THAN 15 MPH.    
SATURDAY
 
PARTLY CLOUDY. SCATTERED SHOWERS AND THUNDERSTORMS.  
LOWS 46-56. HIGHS 73-83.    
SUNDAY
 
PARTLY CLOUDY. SCATTERED SHOWERS AND THUNDERSTORMS.  
LOWS 47-57. HIGHS 74-84.  
 

 
 
UTZ485-312315-  
EASTERN ASHLEY NATIONAL FOREST-  
109 AM MDT MON AUG 31 2026  
   
TODAY
 
 
SKY/WEATHER.........PARTLY CLOUDY (40-50%) UNTIL 1200, THEN MOSTLY  
CLOUDY (70-80%). NEAR 7000 FEET, ISOLATED  
SHOWERS AND THUNDERSTORMS AFTER 1200. NEAR  
10000 FEET, SCATTERED SHOWERS AND  
THUNDERSTORMS AFTER 1200.  
CHC OF LIGHTNING....20 PERCENT.  
MAX TEMPERATURE.....64-74 F NEAR 7000 FEET  
56-66 F NEAR 10000 FEET.  
24 HR TREND......4 DEGREES WARMER.  
MIN HUMIDITY........42-52% NEAR 7000 FEET  
49-59% NEAR 10000 FEET.  
24 HR TREND......18% 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.......2500 FT AGL UNTIL 1200, THEN 5500 FT AGL.  
TRANSPORT WINDS.....SOUTH 5 MPH.  
CLEARING INDEX......LESS THAN 500 UNTIL 1200, THEN 750 UNTIL 1700,  
THEN 500.  
   
TONIGHT
 
 
SKY/WEATHER.........CLOUDY (80-90%) UNTIL 2400, THEN PARTLY CLOUDY  
(50-60%). NUMEROUS SHOWERS AND SCATTERED  
THUNDERSTORMS UNTIL 2400, THEN SCATTERED  
SHOWERS.  
CHC OF LIGHTNING....50 PERCENT.  
MIN TEMPERATURE.....44-54 F NEAR 7000 FEET  
34-44 F NEAR 10000 FEET.  
24 HR TREND......1 DEGREE WARMER.  
MAX HUMIDITY........87-100%.  
24 HR TREND......14% WETTER.  
20-FOOT WINDS.......UPSLOPE/UPVALLEY 4 TO 8 MPH BECOMING  
DOWNSLOPE/DOWNVALLEY 3 TO 6 MPH BY SUNSET.  
CWR.................80 PERCENT.  
MIXING HEIGHT.......1000 FT AGL.  
TRANSPORT WINDS.....SOUTH 5 TO 10 MPH.  
CLEARING INDEX......LESS THAN 500.  
   
TUESDAY
 
 
SKY/WEATHER.........PARTLY CLOUDY (40-50%). NEAR 7000 FEET,  
ISOLATED SHOWERS AND THUNDERSTORMS AFTER 1200.  
NEAR 10000 FEET, SCATTERED SHOWERS AND  
THUNDERSTORMS AFTER 1200.  
CHC OF LIGHTNING....10 PERCENT.  
MAX TEMPERATURE.....64-74 F NEAR 7000 FEET  
56-66 F NEAR 10000 FEET.  
24 HR TREND......1 DEGREE WARMER.  
MIN HUMIDITY........42-52% NEAR 7000 FEET  
52-62% NEAR 10000 FEET.  
24 HR TREND......1% WETTER.  
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 1100, THEN 7000 FT AGL.  
TRANSPORT WINDS.....SOUTHWEST 5 TO 10 MPH.  
CLEARING INDEX......LESS THAN 500 UNTIL 1100. 1050 AFTER 1300.  
   
FORECAST FOR DAY 3 THROUGH 7
 
   
WEDNESDAY
 
PARTLY CLOUDY. SCATTERED SHOWERS AND ISOLATED  
THUNDERSTORMS NEAR 7000 FEET AND NUMEROUS SHOWERS AND ISOLATED  
THUNDERSTORMS NEAR 10000 FEET. LOWS 45-55. HIGHS 65-75.  
SOUTHWEST WINDS 10 TO 20 MPH WITH GUSTS TO 35 MPH.    
THURSDAY
 
MOSTLY CLEAR. ISOLATED SHOWERS NEAR 10000 FEET. LOWS  
45-55. HIGHS 67-77. SOUTH WINDS 10 TO 20 MPH WITH GUSTS TO  
35 MPH.    
FRIDAY
 
MOSTLY CLEAR. ISOLATED SHOWERS AND THUNDERSTORMS . LOWS  
47-57. HIGHS 69-79. SOUTH WINDS 10 TO 20 MPH WITH GUSTS TO  
35 MPH.    
SATURDAY
 
PARTLY CLOUDY. SCATTERED SHOWERS AND THUNDERSTORMS .  
LOWS 49-59. HIGHS 69-79.    
SUNDAY
 
MOSTLY CLOUDY. SCATTERED SHOWERS AND THUNDERSTORMS .  
LOWS 50-60. HIGHS 69-79.  
 

 
 
UTZ486-312315-  
EASTERN UINTA BASIN-  
109 AM MDT MON AUG 31 2026  
   
TODAY
 
 
SKY/WEATHER.........PARTLY CLOUDY (40-50%) UNTIL 1200, THEN MOSTLY  
CLOUDY (70-80%). ISOLATED SHOWERS AND  
THUNDERSTORMS AFTER 1200.  
CHC OF LIGHTNING....10 PERCENT.  
MAX TEMPERATURE.....70-80 F NEAR 5000 FEET  
59-69 F NEAR 8000 FEET.  
24 HR TREND......2 DEGREES WARMER.  
MIN HUMIDITY........41-51%.  
24 HR TREND......19% DRIER.  
20-FOOT WINDS.......DOWNSLOPE/DOWNVALLEY 3 TO 6 MPH BECOMING  
UPSLOPE/UPVALLEY 4 TO 8 MPH BY 1100.  
CWR.................30 PERCENT.  
MIXING HEIGHT.......2000 FT AGL UNTIL 1200, THEN 5000 FT AGL.  
TRANSPORT WINDS.....SOUTHWEST 5 MPH.  
CLEARING INDEX......LESS THAN 500 UNTIL 1200, THEN 600.  
   
TONIGHT
 
 
SKY/WEATHER.........MOSTLY CLOUDY (70-80%) UNTIL 2400, THEN PARTLY  
CLOUDY (50-60%). SHOWERS AND SCATTERED  
THUNDERSTORMS UNTIL 2400. SCATTERED SHOWERS  
AFTER 2400.  
CHC OF LIGHTNING....50 PERCENT.  
MIN TEMPERATURE.....46-56 F.  
24 HR TREND......1 DEGREE COOLER.  
MAX HUMIDITY........85-100%.  
24 HR TREND......8% DRIER.  
20-FOOT WINDS.......UPSLOPE/UPVALLEY 4 TO 8 MPH BECOMING  
DOWNSLOPE/DOWNVALLEY 3 TO 6 MPH BY SUNSET.  
CWR.................80 PERCENT.  
MIXING HEIGHT.......1500 FT AGL.  
TRANSPORT WINDS.....SOUTHWEST 5 MPH.  
CLEARING INDEX......LESS THAN 500.  
   
TUESDAY
 
 
SKY/WEATHER.........NEAR 5000 FEET, PARTLY CLOUDY (40-50%) UNTIL  
1200, THEN MOSTLY SUNNY (20-30%). NEAR 8000  
FEET, PARTLY CLOUDY (40-50%). SCATTERED  
SHOWERS AND THUNDERSTORMS AFTER 1200.  
CHC OF LIGHTNING....10 PERCENT.  
MAX TEMPERATURE.....68-78 F NEAR 5000 FEET  
57-67 F NEAR 8000 FEET.  
24 HR TREND......1 DEGREE COOLER.  
MIN HUMIDITY........42-52%.  
24 HR TREND......3% WETTER.  
20-FOOT WINDS.......DOWNSLOPE/DOWNVALLEY 3 TO 6 MPH BECOMING  
UPSLOPE/UPVALLEY 4 TO 8 MPH BY 1100.  
CWR.................10 PERCENT.  
MIXING HEIGHT.......7000 FT AGL.  
TRANSPORT WINDS.....SOUTHWEST 5 MPH UNTIL 1200, THEN 10 TO 15 MPH.  
CLEARING INDEX......LESS THAN 500 UNTIL 1200. 950 AFTER 1300.  
   
FORECAST FOR DAY 3 THROUGH 7
 
   
WEDNESDAY
 
MOSTLY CLEAR. SCATTERED SHOWERS AND ISOLATED  
THUNDERSTORMS NEAR 6000 FEET AND SCATTERED SHOWERS AND ISOLATED  
THUNDERSTORMS NEAR 8000 FEET. LOWS 49-59. HIGHS 70-80. SOUTHWEST  
WINDS 10 TO 20 MPH WITH GUSTS TO 30 MPH.    
THURSDAY
 
MOSTLY CLEAR. LOWS 49-59. HIGHS 72-82. SOUTHWEST  
WINDS 10 TO 20 MPH WITH GUSTS TO 30 MPH.    
FRIDAY
 
MOSTLY CLEAR. ISOLATED SHOWERS NEAR 8000 FEET. LOWS  
51-61. HIGHS 75-85. SOUTHWEST WINDS 10 TO 20 MPH WITH GUSTS TO  
30 MPH.    
SATURDAY
 
PARTLY CLOUDY. ISOLATED SHOWERS AND THUNDERSTORMS  
NEAR 6000 FEET AND SCATTERED SHOWERS AND THUNDERSTORMS NEAR  
8000 FEET. LOWS 53-63. HIGHS 73-83.    
SUNDAY
 
PARTLY CLOUDY NEAR 6000 FEET AND MOSTLY CLOUDY NEAR  
8000 FEET AND ISOLATED SHOWERS AND THUNDERSTORMS NEAR 6000 FEET  
AND SCATTERED SHOWERS AND THUNDERSTORMS NEAR 8000 FEET. LOWS  
53-63. HIGHS 75-85.  
 

 
 
UTZ487-312315-  
BOOK CLIFFS-  
109 AM MDT MON AUG 31 2026  
   
TODAY
 
 
SKY/WEATHER.........MOSTLY CLOUDY (60-70%). ISOLATED SHOWERS AND  
THUNDERSTORMS UNTIL 1200. SCATTERED SHOWERS AND  
THUNDERSTORMS AFTER 1200.  
CHC OF LIGHTNING....50 PERCENT.  
MAX TEMPERATURE.....66-76 F NEAR 5000 FEET  
63-73 F NEAR 8000 FEET.  
24 HR TREND......UNCHANGED.  
MIN HUMIDITY........42-52% NEAR 5000 FEET  
50-60% NEAR 8000 FEET.  
24 HR TREND......12% DRIER.  
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 1200, THEN 4500 FT AGL.  
TRANSPORT WINDS.....SOUTH 5 MPH.  
CLEARING INDEX......LESS THAN 500 UNTIL 1300, THEN 700.  
   
TONIGHT
 
 
SKY/WEATHER.........MOSTLY CLOUDY (70-80%) UNTIL 2400, THEN PARTLY  
CLOUDY (40-50%). NUMEROUS SHOWERS AND SCATTERED  
THUNDERSTORMS UNTIL 2400. ISOLATED SHOWERS AND  
THUNDERSTORMS AFTER 2400.  
CHC OF LIGHTNING....50 PERCENT.  
MIN TEMPERATURE.....48-58 F NEAR 5000 FEET  
42-52 F NEAR 8000 FEET.  
24 HR TREND......2 DEGREES COOLER.  
MAX HUMIDITY........89-100%.  
24 HR TREND......7% WETTER.  
20-FOOT WINDS.......DOWNSLOPE/DOWNVALLEY WINDS 3 TO 6 MPH.  
LOCALIZED GUSTS UP TO 20 MPH IN THE EVENING.  
CWR.................60 PERCENT.  
MIXING HEIGHT.......1000 FT AGL.  
TRANSPORT WINDS.....SOUTH 5 MPH.  
CLEARING INDEX......500 UNTIL 2000, THEN LESS THAN 500.  
   
TUESDAY
 
 
SKY/WEATHER.........PARTLY CLOUDY (30-40%) UNTIL 1200, THEN MOSTLY  
SUNNY (20-30%). ISOLATED SHOWERS. ISOLATED  
THUNDERSTORMS AFTER 1200.  
CHC OF LIGHTNING....10 PERCENT.  
MAX TEMPERATURE.....69-79 F NEAR 5000 FEET  
63-73 F NEAR 8000 FEET.  
24 HR TREND......1 DEGREE WARMER.  
MIN HUMIDITY........35-45% NEAR 5000 FEET  
42-52% NEAR 8000 FEET.  
24 HR TREND......5% DRIER.  
20-FOOT WINDS.......UPSLOPE/UPVALLEY WINDS 4 TO 8 MPH. LOCALIZED  
GUSTS UP TO 30 MPH IN THE AFTERNOON.  
CWR.................10 PERCENT.  
MIXING HEIGHT.......8000 FT AGL.  
TRANSPORT WINDS.....SOUTHWEST 5 TO 10 MPH.  
CLEARING INDEX......LESS THAN 500 UNTIL 1300, THEN 900.  
   
FORECAST FOR DAY 3 THROUGH 7
 
   
WEDNESDAY
 
MOSTLY CLEAR. ISOLATED SHOWERS AND THUNDERSTORMS .  
LOWS 49-59. HIGHS 74-84. SOUTHWEST WINDS 10 TO 20 MPH WITH GUSTS  
TO 35 MPH.    
THURSDAY
 
CLEAR. LOWS 50-60. HIGHS 76-86. SOUTHWEST WINDS 10 TO  
20 MPH WITH GUSTS TO 35 MPH.    
FRIDAY
 
MOSTLY CLEAR. ISOLATED SHOWERS AND THUNDERSTORMS . LOWS  
51-61. HIGHS 77-87. SOUTHWEST WINDS 10 TO 20 MPH WITH GUSTS TO  
30 MPH.    
SATURDAY
 
PARTLY CLOUDY. SCATTERED SHOWERS AND THUNDERSTORMS .  
LOWS 52-62. HIGHS 74-84.    
SUNDAY
 
PARTLY CLOUDY. SCATTERED SHOWERS AND THUNDERSTORMS .  
LOWS 53-63. HIGHS 77-87.  
 

 
 
UTZ490-312315-  
COLORADO RIVER BASIN-  
109 AM MDT MON AUG 31 2026  
   
TODAY
 
 
SKY/WEATHER.........MOSTLY CLOUDY (70-80%). ISOLATED SHOWERS AND  
THUNDERSTORMS UNTIL 1200. SCATTERED SHOWERS AND  
THUNDERSTORMS AFTER 1200.  
CHC OF LIGHTNING....50 PERCENT.  
MAX TEMPERATURE.....75-85 F NEAR 5000 FEET  
66-76 F NEAR 7000 FEET.  
24 HR TREND......3 DEGREES COOLER.  
MIN HUMIDITY........41-51%.  
24 HR TREND......13% WETTER.  
20-FOOT WINDS.......DOWNSLOPE/DOWNVALLEY 3 TO 6 MPH BECOMING  
UPSLOPE/UPVALLEY 4 TO 8 MPH BY 1100.  
CWR.................70 PERCENT.  
MIXING HEIGHT.......4500 FT AGL.  
TRANSPORT WINDS.....EAST 5 MPH UNTIL 1200, THEN SOUTH.  
CLEARING INDEX......LESS THAN 500 UNTIL 1200, THEN 850.  
   
TONIGHT
 
 
SKY/WEATHER.........MOSTLY CLOUDY (70-80%) UNTIL 2400, THEN PARTLY  
CLOUDY (30-40%). SCATTERED SHOWERS AND  
THUNDERSTORMS UNTIL 2400. ISOLATED SHOWERS AND  
THUNDERSTORMS AFTER 2400.  
CHC OF LIGHTNING....50 PERCENT.  
MIN TEMPERATURE.....49-59 F.  
24 HR TREND......4 DEGREES COOLER.  
MAX HUMIDITY........85-100%.  
24 HR TREND......18% WETTER.  
20-FOOT WINDS.......UPSLOPE/UPVALLEY 4 TO 8 MPH BECOMING  
DOWNSLOPE/DOWNVALLEY 3 TO 6 MPH BY SUNSET.  
CWR.................60 PERCENT.  
MIXING HEIGHT.......1500 FT AGL.  
TRANSPORT WINDS.....EAST 5 MPH.  
CLEARING INDEX......600 UNTIL 1900, THEN LESS THAN 500.  
   
TUESDAY
 
 
SKY/WEATHER.........PARTLY CLOUDY (30-40%) UNTIL 1200, THEN MOSTLY  
SUNNY (20-30%). ISOLATED SHOWERS AND  
THUNDERSTORMS AFTER 1200.  
CHC OF LIGHTNING....10 PERCENT.  
MAX TEMPERATURE.....77-87 F NEAR 5000 FEET  
66-76 F NEAR 7000 FEET.  
24 HR TREND......1 DEGREE WARMER.  
MIN HUMIDITY........32-42% NEAR 5000 FEET  
40-50% NEAR 7000 FEET.  
24 HR TREND......9% DRIER.  
20-FOOT WINDS.......DOWNSLOPE/DOWNVALLEY 3 TO 6 MPH BECOMING  
UPSLOPE/UPVALLEY 4 TO 8 MPH BY 1100.  
CWR.................10 PERCENT.  
MIXING HEIGHT.......8500 FT AGL.  
TRANSPORT WINDS.....SOUTHEAST 5 MPH UNTIL 1200, THEN SOUTHWEST.  
CLEARING INDEX......LESS THAN 500 UNTIL 1400. 1050 AFTER 1500.  
   
FORECAST FOR DAY 3 THROUGH 7
 
   
WEDNESDAY
 
MOSTLY CLEAR. ISOLATED SHOWERS AND THUNDERSTORMS .  
LOWS 55-65. HIGHS 79-89. SOUTHWEST WINDS 10 TO 20 MPH WITH GUSTS  
TO 40 MPH.    
THURSDAY
 
CLEAR. LOWS 55-65. HIGHS 82-92. SOUTHWEST WINDS 10 TO  
20 MPH WITH GUSTS TO 35 MPH.    
FRIDAY
 
MOSTLY CLEAR. ISOLATED SHOWERS AND THUNDERSTORMS . LOWS  
57-67. HIGHS 83-93. SOUTHWEST WINDS 10 TO 20 MPH WITH GUSTS TO  
30 MPH.    
SATURDAY
 
PARTLY CLOUDY. ISOLATED SHOWERS AND THUNDERSTORMS  
NEAR 5000 FEET AND SCATTERED SHOWERS AND THUNDERSTORMS NEAR  
7000 FEET. LOWS 58-68. HIGHS 81-91.    
SUNDAY
 
PARTLY CLOUDY. ISOLATED SHOWERS AND THUNDERSTORMS NEAR  
5000 FEET AND SCATTERED SHOWERS AND THUNDERSTORMS NEAR 7000 FEET  
. LOWS 59-69. HIGHS 83-93.  
 

 
 
UTZ491-312315-  
SOUTHEAST UTAH-  
109 AM MDT MON AUG 31 2026  
   
TODAY
 
 
SKY/WEATHER.........MOSTLY CLOUDY (70-80%). SCATTERED SHOWERS AND  
ISOLATED THUNDERSTORMS UNTIL 1200. NUMEROUS  
SHOWERS AND SCATTERED THUNDERSTORMS AFTER 1200.  
CHC OF LIGHTNING....50 PERCENT.  
MAX TEMPERATURE.....72-82 F NEAR 5000 FEET  
60-70 F NEAR 8000 FEET.  
24 HR TREND......10 DEGREES COOLER.  
MIN HUMIDITY........43-53% NEAR 5000 FEET  
55-65% NEAR 8000 FEET.  
24 HR TREND......22% WETTER.  
20-FOOT WINDS.......UPSLOPE/UPVALLEY WINDS 4 TO 8 MPH. LOCALIZED  
GUSTS UP TO 20 MPH IN THE AFTERNOON.  
CWR.................70 PERCENT.  
MIXING HEIGHT.......3500 FT AGL.  
TRANSPORT WINDS.....SOUTH 5 MPH.  
CLEARING INDEX......650.  
   
TONIGHT
 
 
SKY/WEATHER.........MOSTLY CLOUDY (60-70%) UNTIL 2400, THEN PARTLY  
CLOUDY (30-40%). SCATTERED SHOWERS AND  
THUNDERSTORMS UNTIL 2400. NEAR 5000 FEET,  
ISOLATED SHOWERS AFTER 2400.  
CHC OF LIGHTNING....30 PERCENT.  
MIN TEMPERATURE.....49-59 F NEAR 5000 FEET  
44-54 F NEAR 8000 FEET.  
24 HR TREND......5 DEGREES COOLER.  
MAX HUMIDITY........87-100%.  
24 HR TREND......19% WETTER.  
20-FOOT WINDS.......UPSLOPE/UPVALLEY 4 TO 8 MPH BECOMING  
DOWNSLOPE/DOWNVALLEY 3 TO 6 MPH BY SUNSET.  
CWR.................30 PERCENT.  
MIXING HEIGHT.......3500 FT AGL UNTIL 2000, THEN 1000 FT AGL.  
TRANSPORT WINDS.....SOUTH 5 TO 10 MPH UNTIL 2400, THEN SOUTHEAST.  
CLEARING INDEX......LESS THAN 500.  
   
TUESDAY
 
 
SKY/WEATHER.........NEAR 5000 FEET, PARTLY CLOUDY (30-40%) UNTIL  
1200, THEN MOSTLY SUNNY (20-30%). NEAR 8000  
FEET, PARTLY CLOUDY (30-40%). ISOLATED SHOWERS  
AND THUNDERSTORMS AFTER 1200.  
CHC OF LIGHTNING....10 PERCENT.  
MAX TEMPERATURE.....76-86 F NEAR 5000 FEET  
61-71 F NEAR 8000 FEET.  
24 HR TREND......4 DEGREES WARMER.  
MIN HUMIDITY........27-37% NEAR 5000 FEET  
37-47% NEAR 8000 FEET.  
24 HR TREND......15% DRIER.  
20-FOOT WINDS.......DOWNSLOPE/DOWNVALLEY 3 TO 6 MPH BECOMING  
UPSLOPE/UPVALLEY 4 TO 8 MPH BY 1100.  
CWR.................0 PERCENT.  
MIXING HEIGHT.......3500 FT AGL UNTIL 1200, THEN 9000 FT AGL.  
TRANSPORT WINDS.....SOUTHEAST 5 MPH UNTIL 1200, THEN SOUTHWEST.  
CLEARING INDEX......500 UNTIL 1400. 1050 AFTER 1500.  
   
FORECAST FOR DAY 3 THROUGH 7
 
   
WEDNESDAY
 
MOSTLY CLEAR. ISOLATED SHOWERS AND THUNDERSTORMS  
NEAR 8000 FEET. LOWS 54-64. HIGHS 80-90. SOUTHWEST WINDS 10 TO  
20 MPH WITH GUSTS TO 30 MPH.    
THURSDAY
 
MOSTLY CLEAR. LOWS 55-65. HIGHS 82-92. WINDS LESS  
THAN 15 MPH.    
FRIDAY
 
MOSTLY CLEAR. ISOLATED SHOWERS AND THUNDERSTORMS . LOWS  
56-66. HIGHS 83-93. WINDS LESS THAN 15 MPH.    
SATURDAY
 
PARTLY CLOUDY. ISOLATED SHOWERS AND THUNDERSTORMS  
NEAR 5000 FEET AND SCATTERED SHOWERS AND THUNDERSTORMS NEAR  
8000 FEET. LOWS 57-67. HIGHS 81-91.    
SUNDAY
 
PARTLY CLOUDY. ISOLATED SHOWERS AND THUNDERSTORMS NEAR  
5000 FEET AND SCATTERED SHOWERS AND THUNDERSTORMS NEAR 8000 FEET  
. LOWS 58-68. HIGHS 84-94.  
 

 
 
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