294
FNUS55 KGJT 111843
FWFGJT
FIRE WEATHER PLANNING FORECAST FOR WRN COLORADO AND ERN UTAH
NATIONAL WEATHER SERVICE GRAND JUNCTION CO
1243 PM MDT TUE AUG 11 2026
DISCUSSION
MOISTURE CONTINUES TO INCREASE OVER THE COMING DAYS, BUT
RELATIVELY DRY LOW-LEVELS PERSIST TODAY. STORMS ARE STILL EXPECTED
TO DEVELOP, BUT EXPECT THE MAIN THREATS TO BE DRY LIGHTNING AND
GUSTY OUTFLOW WINDS. WETTING RAIN BECOMES MORE LIKELY TOMORROW,
AND ESPECIALLY THURSDAY AND FRIDAY. TEMPERATURES WILL TREND
DOWNWARDS THROUGH THE WORK WEEK.
...GUSTY ERRATIC WINDS CAN BE EXPECTED NEAR ANY SHOWERS
OR THUNDERSTORMS...
..THE SMOKE DATA IS CALCULATED FROM AN AVERAGE AT 6000 FEET MSL
COZ200-121045-
LITTLE SNAKE FORECAST AREA-
1243 PM MDT TUE AUG 11 2026
REST OF TODAY
SKY/WEATHER.........NEAR 6000 FEET, PARTLY CLOUDY (50-60%). NEAR
8000 FEET, MOSTLY CLOUDY (60-70%). ISOLATED
SHOWERS AND THUNDERSTORMS.
CHC OF LIGHTNING....10 PERCENT.
MAX TEMPERATURE.....84-94 F NEAR 6000 FEET
70-80 F NEAR 8000 FEET.
MIN HUMIDITY........13-23%.
20-FOOT WINDS.......DOWNSLOPE/DOWNVALLEY 3 TO 6 MPH BECOMING
UPSLOPE/UPVALLEY 4 TO 8 MPH BY 1100.
CWR.................10 PERCENT.
15K FT MSL WINDS....SOUTHWEST 5 TO 10 MPH.
MIXING HEIGHT.......11000 FT AGL.
TRANSPORT WINDS.....WEST 5 TO 10 MPH.
SMOKE DISPERSAL.....FAIR UNTIL 1500, THEN GOOD.
TONIGHT
SKY/WEATHER.........MOSTLY CLOUDY (60-70%). NEAR 8000 FEET,
ISOLATED SHOWERS AND THUNDERSTORMS UNTIL 2400.
CHC OF LIGHTNING....0 PERCENT.
MIN TEMPERATURE.....57-67 F.
MAX HUMIDITY........55-65% NEAR 6000 FEET
44-54% NEAR 8000 FEET.
20-FOOT WINDS.......UPSLOPE/UPVALLEY 4 TO 8 MPH BECOMING
DOWNSLOPE/DOWNVALLEY 3 TO 6 MPH BY SUNSET.
CWR.................0 PERCENT.
15K FT MSL WINDS....SOUTHWEST 5 TO 10 MPH.
MIXING HEIGHT.......7000 FT AGL UNTIL 2000, THEN 1000 FT AGL.
TRANSPORT WINDS.....NORTH 5 TO 10 MPH UNTIL 2400, THEN SOUTHWEST.
SMOKE DISPERSAL.....FAIR UNTIL 2100, THEN POOR.
WEDNESDAY
SKY/WEATHER.........NEAR 6000 FEET, PARTLY CLOUDY (50-60%) UNTIL
1200, THEN MOSTLY CLOUDY (60-70%), ISOLATED
SHOWERS UNTIL 1200, SCATTERED SHOWERS AND
THUNDERSTORMS AFTER 1200. NEAR 8000 FEET,
MOSTLY CLOUDY (60-70%), ISOLATED SHOWERS AND
THUNDERSTORMS AFTER 1200.
CHC OF LIGHTNING....30 PERCENT.
MAX TEMPERATURE.....80-90 F NEAR 6000 FEET
69-79 F NEAR 8000 FEET.
MIN HUMIDITY........16-26% NEAR 6000 FEET
23-33% 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 15 TO 20 MPH.
MIXING HEIGHT.......1500 FT AGL UNTIL 1000. 9000 FT AGL AFTER 1100.
TRANSPORT WINDS.....WEST 5 MPH.
SMOKE DISPERSAL.....POOR UNTIL 0900. GOOD AFTER 1200.
FORECAST FOR DAY 3 THROUGH 7
THURSDAY
MOSTLY CLOUDY. SCATTERED SHOWERS AND THUNDERSTORMS.
LOWS 52-62. HIGHS 77-87. SOUTHWEST WINDS 10 TO 20 MPH WITH GUSTS
TO 30 MPH.
FRIDAY
MOSTLY CLOUDY. SCATTERED SHOWERS AND THUNDERSTORMS.
LOWS 48-58. HIGHS 76-86. SOUTHWEST WINDS 10 TO 20 MPH WITH GUSTS
TO 25 MPH.
SATURDAY
PARTLY CLOUDY. ISOLATED SHOWERS AND THUNDERSTORMS.
LOWS 46-56. HIGHS 77-87. WINDS LESS THAN 15 MPH.
SUNDAY
PARTLY CLOUDY. ISOLATED SHOWERS AND THUNDERSTORMS. LOWS
47-57. HIGHS 80-90.
MONDAY
PARTLY CLOUDY. ISOLATED SHOWERS AND THUNDERSTORMS. LOWS
49-59. HIGHS 82-92.
COZ201-121045-
ROUTT FORECAST AREA-
1243 PM MDT TUE AUG 11 2026
REST OF TODAY
SKY/WEATHER.........MOSTLY CLOUDY (60-70%). ISOLATED SHOWERS AND
THUNDERSTORMS.
CHC OF LIGHTNING....20 PERCENT.
MAX TEMPERATURE.....74-84 F.
MIN HUMIDITY........21-31%.
20-FOOT WINDS.......DOWNSLOPE/DOWNVALLEY 3 TO 6 MPH BECOMING
UPSLOPE/UPVALLEY 4 TO 8 MPH BY 1100.
CWR.................10 PERCENT.
15K FT MSL WINDS....WEST 10 TO 15 MPH.
MIXING HEIGHT.......10000 FT AGL.
TRANSPORT WINDS.....WEST 5 TO 10 MPH.
SMOKE DISPERSAL.....GOOD.
TONIGHT
SKY/WEATHER.........PARTLY CLOUDY (50-60%). ISOLATED SHOWERS AND
THUNDERSTORMS UNTIL 2400.
CHC OF LIGHTNING....20 PERCENT.
MIN TEMPERATURE.....49-59 F.
MAX HUMIDITY........59-74%.
20-FOOT WINDS.......UPSLOPE/UPVALLEY 4 TO 8 MPH BECOMING
DOWNSLOPE/DOWNVALLEY 3 TO 6 MPH BY SUNSET.
CWR.................20 PERCENT.
15K FT MSL WINDS....WEST 5 TO 10 MPH.
MIXING HEIGHT.......6000 FT AGL UNTIL 2000, THEN 1000 FT AGL.
TRANSPORT WINDS.....NORTH 5 TO 10 MPH UNTIL 2400, THEN SOUTHEAST.
SMOKE DISPERSAL.....POOR.
WEDNESDAY
SKY/WEATHER.........PARTLY CLOUDY (50-60%) UNTIL 1200, THEN MOSTLY
CLOUDY (70-80%). ISOLATED SHOWERS UNTIL 1200,
THEN SCATTERED SHOWERS AND THUNDERSTORMS.
CHC OF LIGHTNING....50 PERCENT.
MAX TEMPERATURE.....70-80 F.
MIN HUMIDITY........26-36%.
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 15 TO 20 MPH.
MIXING HEIGHT.......1000 FT AGL UNTIL 0900. 6500 FT AGL AFTER 1000.
TRANSPORT WINDS.....SOUTHWEST 5 MPH.
SMOKE DISPERSAL.....POOR UNTIL 1200, THEN GOOD UNTIL 1500, THEN
FAIR.
FORECAST FOR DAY 3 THROUGH 7
THURSDAY
MOSTLY CLOUDY. SCATTERED SHOWERS AND THUNDERSTORMS.
LOWS 46-56. HIGHS 67-77. WINDS LESS THAN 15 MPH.
FRIDAY
MOSTLY CLOUDY. SHOWERS WITH NUMEROUS THUNDERSTORMS.
LOWS 44-54. HIGHS 65-75. WINDS LESS THAN 15 MPH.
SATURDAY
PARTLY CLOUDY. SCATTERED SHOWERS AND THUNDERSTORMS.
LOWS 42-52. HIGHS 66-76. WINDS LESS THAN 15 MPH.
SUNDAY
PARTLY CLOUDY. SCATTERED SHOWERS AND THUNDERSTORMS.
LOWS 43-53. HIGHS 69-79.
MONDAY
PARTLY CLOUDY. SCATTERED THUNDERSTORMS AND ISOLATED
SHOWERS. LOWS 44-54. HIGHS 71-81.
COZ202-121045-
WHITE RIVER FORECAST AREA-
1243 PM MDT TUE AUG 11 2026
REST OF TODAY
SKY/WEATHER.........PARTLY CLOUDY (40-50%). ISOLATED SHOWERS AND
THUNDERSTORMS.
CHC OF LIGHTNING....10 PERCENT.
MAX TEMPERATURE.....85-95 F NEAR 6000 FEET
74-84 F NEAR 8000 FEET.
MIN HUMIDITY........11-21% NEAR 6000 FEET
19-29% NEAR 8000 FEET.
20-FOOT WINDS.......DOWNSLOPE/DOWNVALLEY 3 TO 6 MPH BECOMING
UPSLOPE/UPVALLEY 4 TO 8 MPH BY 1100.
CWR.................0 PERCENT.
15K FT MSL WINDS....WEST 10 TO 15 MPH.
MIXING HEIGHT.......12000 FT AGL.
TRANSPORT WINDS.....WEST 5 TO 10 MPH.
SMOKE DISPERSAL.....GOOD.
TONIGHT
SKY/WEATHER.........NEAR 6000 FEET, PARTLY CLOUDY (50-60%) UNTIL
2400, THEN MOSTLY CLOUDY (60-70%). NEAR 8000
FEET, PARTLY CLOUDY (40-50%). ISOLATED SHOWERS
AND THUNDERSTORMS UNTIL 2400.
CHC OF LIGHTNING....10 PERCENT.
MIN TEMPERATURE.....56-66 F.
MAX HUMIDITY........54-64% NEAR 6000 FEET
46-56% NEAR 8000 FEET.
20-FOOT WINDS.......UPSLOPE/UPVALLEY 4 TO 8 MPH BECOMING
DOWNSLOPE/DOWNVALLEY 3 TO 6 MPH BY SUNSET.
CWR.................10 PERCENT.
15K FT MSL WINDS....SOUTHWEST 5 TO 10 MPH.
MIXING HEIGHT.......8500 FT AGL UNTIL 2000, THEN 1000 FT AGL.
TRANSPORT WINDS.....NORTH 5 TO 10 MPH UNTIL 2400, THEN SOUTH.
SMOKE DISPERSAL.....FAIR UNTIL 2100, THEN POOR.
WEDNESDAY
SKY/WEATHER.........PARTLY CLOUDY (50-60%) UNTIL 1200, THEN MOSTLY
CLOUDY (60-70%). ISOLATED SHOWERS UNTIL 1200.
SCATTERED SHOWERS AND THUNDERSTORMS AFTER 1200.
CHC OF LIGHTNING....30 PERCENT.
MAX TEMPERATURE.....81-91 F NEAR 6000 FEET
70-80 F NEAR 8000 FEET.
MIN HUMIDITY........16-26% NEAR 6000 FEET
26-36% NEAR 8000 FEET.
20-FOOT WINDS.......DOWNSLOPE/DOWNVALLEY 3 TO 6 MPH BECOMING
UPSLOPE/UPVALLEY 4 TO 8 MPH BY 1100.
CWR.................20 PERCENT.
15K FT MSL WINDS....SOUTHWEST 15 TO 20 MPH.
MIXING HEIGHT.......1500 FT AGL UNTIL 1000, THEN 9000 FT AGL.
TRANSPORT WINDS.....SOUTHWEST 5 MPH.
SMOKE DISPERSAL.....POOR UNTIL 0900. GOOD AFTER 1200.
FORECAST FOR DAY 3 THROUGH 7
THURSDAY
MOSTLY CLOUDY. SCATTERED SHOWERS AND THUNDERSTORMS.
LOWS 53-63. HIGHS 77-87. WINDS LESS THAN 15 MPH.
FRIDAY
MOSTLY CLOUDY. SCATTERED SHOWERS AND THUNDERSTORMS NEAR
6000 FEET AND NUMEROUS SHOWERS AND THUNDERSTORMS NEAR 8000 FEET.
LOWS 49-59. HIGHS 76-86. WINDS LESS THAN 15 MPH.
SATURDAY
PARTLY CLOUDY. ISOLATED SHOWERS AND THUNDERSTORMS.
LOWS 47-57. HIGHS 77-87. WINDS LESS THAN 15 MPH.
SUNDAY
PARTLY CLOUDY. ISOLATED SHOWERS AND THUNDERSTORMS. LOWS
48-58. HIGHS 80-90.
MONDAY
PARTLY CLOUDY. ISOLATED SHOWERS AND THUNDERSTORMS. LOWS
50-60. HIGHS 83-93.
COZ203-121045-
LOWER COLORADO RIVER-
1243 PM MDT TUE AUG 11 2026
REST OF TODAY
SKY/WEATHER.........PARTLY CLOUDY (40-50%). ISOLATED SHOWERS AND
THUNDERSTORMS.
CHC OF LIGHTNING....10 PERCENT.
MAX TEMPERATURE.....88-98 F NEAR 6000 FEET
78-88 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.
15K FT MSL WINDS....WEST 10 TO 15 MPH.
MIXING HEIGHT.......12000 FT AGL.
TRANSPORT WINDS.....WEST 5 TO 10 MPH.
SMOKE DISPERSAL.....GOOD.
TONIGHT
SKY/WEATHER.........PARTLY CLOUDY (40-50%). ISOLATED SHOWERS AND
THUNDERSTORMS UNTIL 2400.
CHC OF LIGHTNING....10 PERCENT.
MIN TEMPERATURE.....60-70 F.
MAX HUMIDITY........46-56%.
20-FOOT WINDS.......UPSLOPE/UPVALLEY 4 TO 8 MPH BECOMING
DOWNSLOPE/DOWNVALLEY 3 TO 6 MPH BY SUNSET.
CWR.................0 PERCENT.
15K FT MSL WINDS....SOUTHWEST 5 TO 10 MPH.
MIXING HEIGHT.......10000 FT AGL UNTIL 2000, THEN 1000 FT AGL.
TRANSPORT WINDS.....NORTH 5 TO 10 MPH UNTIL 2400, THEN NORTHEAST.
SMOKE DISPERSAL.....FAIR UNTIL 2100, THEN POOR.
WEDNESDAY
SKY/WEATHER.........PARTLY CLOUDY (50-60%) UNTIL 1200, THEN MOSTLY
CLOUDY (70-80%). ISOLATED SHOWERS UNTIL 1200,
THEN SCATTERED SHOWERS AND THUNDERSTORMS.
CHC OF LIGHTNING....40 PERCENT.
MAX TEMPERATURE.....84-94 F NEAR 6000 FEET
74-84 F NEAR 8000 FEET.
MIN HUMIDITY........18-28%.
20-FOOT WINDS.......DOWNSLOPE/DOWNVALLEY 3 TO 6 MPH BECOMING
UPSLOPE/UPVALLEY 4 TO 8 MPH BY 1100.
CWR.................40 PERCENT.
15K FT MSL WINDS....SOUTHWEST 10 TO 15 MPH.
MIXING HEIGHT.......1500 FT AGL UNTIL 1000, THEN 7000 FT AGL.
TRANSPORT WINDS.....WEST 5 MPH.
SMOKE DISPERSAL.....POOR UNTIL 0900. FAIR AFTER 1200.
FORECAST FOR DAY 3 THROUGH 7
THURSDAY
MOSTLY CLOUDY. SCATTERED SHOWERS AND THUNDERSTORMS.
LOWS 56-66. HIGHS 78-88. WINDS LESS THAN 15 MPH.
FRIDAY
MOSTLY CLOUDY. SCATTERED SHOWERS AND THUNDERSTORMS.
LOWS 54-64. HIGHS 76-86. WINDS LESS THAN 15 MPH.
SATURDAY
PARTLY CLOUDY. SCATTERED SHOWERS AND THUNDERSTORMS.
LOWS 52-62. HIGHS 79-89. WINDS LESS THAN 15 MPH.
SUNDAY
PARTLY CLOUDY. SCATTERED SHOWERS AND THUNDERSTORMS.
LOWS 53-63. HIGHS 81-91.
MONDAY
PARTLY CLOUDY. ISOLATED SHOWERS AND THUNDERSTORMS. LOWS
55-65. HIGHS 83-93.
COZ205-121045-
COLORADO RIVER HEADWATERS-
1243 PM MDT TUE AUG 11 2026
REST OF TODAY
SKY/WEATHER.........PARTLY CLOUDY (50-60%). ISOLATED SHOWERS AND
THUNDERSTORMS.
CHC OF LIGHTNING....20 PERCENT.
MAX TEMPERATURE.....79-89 F.
MIN HUMIDITY........19-29%.
20-FOOT WINDS.......DOWNSLOPE/DOWNVALLEY 3 TO 6 MPH BECOMING
UPSLOPE/UPVALLEY 4 TO 8 MPH BY 1100.
CWR.................10 PERCENT.
15K FT MSL WINDS....WEST 10 TO 15 MPH.
MIXING HEIGHT.......10000 FT AGL.
TRANSPORT WINDS.....WEST 5 TO 10 MPH.
SMOKE DISPERSAL.....GOOD.
TONIGHT
SKY/WEATHER.........PARTLY CLOUDY (50-60%). ISOLATED THUNDERSTORMS
UNTIL 2400. ISOLATED SHOWERS.
CHC OF LIGHTNING....10 PERCENT.
MIN TEMPERATURE.....52-62 F.
MAX HUMIDITY........61-76%.
20-FOOT WINDS.......UPSLOPE/UPVALLEY 4 TO 8 MPH BECOMING
DOWNSLOPE/DOWNVALLEY 3 TO 6 MPH BY SUNSET.
CWR.................10 PERCENT.
15K FT MSL WINDS....WEST 10 TO 15 MPH.
MIXING HEIGHT.......8000 FT AGL UNTIL 2000, THEN 500 FT AGL.
TRANSPORT WINDS.....NORTHEAST 5 TO 10 MPH UNTIL 2400, THEN
SOUTHEAST.
SMOKE DISPERSAL.....POOR.
WEDNESDAY
SKY/WEATHER.........PARTLY CLOUDY (50-60%) UNTIL 1200, THEN MOSTLY
CLOUDY (70-80%). ISOLATED THUNDERSTORMS UNTIL
1200. SCATTERED SHOWERS. SCATTERED
THUNDERSTORMS AFTER 1200.
CHC OF LIGHTNING....50 PERCENT.
MAX TEMPERATURE.....76-86 F.
MIN HUMIDITY........25-35%.
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....WEST 10 TO 15 MPH.
MIXING HEIGHT.......1500 FT AGL UNTIL 1000, THEN 5500 FT AGL UNTIL
1700, THEN 3000 FT AGL.
TRANSPORT WINDS.....WEST 5 MPH.
SMOKE DISPERSAL.....POOR UNTIL 1200, THEN FAIR UNTIL 1500, THEN
POOR.
FORECAST FOR DAY 3 THROUGH 7
THURSDAY
MOSTLY CLOUDY. SCATTERED SHOWERS AND THUNDERSTORMS.
LOWS 46-56. HIGHS 69-79. WINDS LESS THAN 15 MPH.
FRIDAY
MOSTLY CLOUDY. SHOWERS WITH NUMEROUS THUNDERSTORMS.
LOWS 45-55. HIGHS 67-77. WINDS LESS THAN 15 MPH.
SATURDAY
PARTLY CLOUDY. SCATTERED SHOWERS AND THUNDERSTORMS.
LOWS 44-54. HIGHS 69-79. WINDS LESS THAN 15 MPH.
SUNDAY
PARTLY CLOUDY. SCATTERED SHOWERS AND THUNDERSTORMS.
LOWS 44-54. HIGHS 71-81.
MONDAY
PARTLY CLOUDY. SCATTERED SHOWERS AND THUNDERSTORMS.
LOWS 45-55. HIGHS 73-83.
COZ290-121045-
PARADOX VALLEY FORECAST AREA-
1243 PM MDT TUE AUG 11 2026
REST OF TODAY
SKY/WEATHER.........PARTLY CLOUDY (40-50%). ISOLATED SHOWERS NEAR
6000 FEET AND ISOLATED SHOWERS AND
THUNDERSTORMS NEAR 8000 FEET.
CHC OF LIGHTNING....0 PERCENT.
MAX TEMPERATURE.....87-97 F NEAR 6000 FEET
78-88 F NEAR 8000 FEET.
MIN HUMIDITY........11-21% NEAR 6000 FEET
17-27% NEAR 8000 FEET.
20-FOOT WINDS.......DOWNSLOPE/DOWNVALLEY 3 TO 6 MPH BECOMING
UPSLOPE/UPVALLEY 4 TO 8 MPH BY 1100.
CWR.................0 PERCENT.
15K FT MSL WINDS....WEST 5 TO 10 MPH.
MIXING HEIGHT.......12000 FT AGL.
TRANSPORT WINDS.....NORTHWEST 5 MPH.
SMOKE DISPERSAL.....GOOD.
TONIGHT
SKY/WEATHER.........PARTLY CLOUDY (50-60%). ISOLATED SHOWERS AND
THUNDERSTORMS UNTIL 2400.
CHC OF LIGHTNING....10 PERCENT.
MIN TEMPERATURE.....55-65 F NEAR 6000 FEET
53-63 F NEAR 8000 FEET.
MAX HUMIDITY........48-58% NEAR 6000 FEET
56-71% NEAR 8000 FEET.
20-FOOT WINDS.......UPSLOPE/UPVALLEY 4 TO 8 MPH BECOMING
DOWNSLOPE/DOWNVALLEY 3 TO 6 MPH BY SUNSET.
CWR.................10 PERCENT.
15K FT MSL WINDS....SOUTHWEST 5 TO 10 MPH.
MIXING HEIGHT.......11000 FT AGL UNTIL 2000, THEN 1500 FT AGL.
TRANSPORT WINDS.....NORTH 5 TO 10 MPH UNTIL 2400, THEN SOUTH.
SMOKE DISPERSAL.....FAIR UNTIL 2100, THEN POOR.
WEDNESDAY
SKY/WEATHER.........PARTLY CLOUDY (50-60%) UNTIL 1200, THEN MOSTLY
CLOUDY (70-80%). NEAR 6000 FEET, ISOLATED
SHOWERS UNTIL 1200, THEN SCATTERED SHOWERS AND
THUNDERSTORMS. NEAR 8000 FEET, SCATTERED
SHOWERS AND ISOLATED THUNDERSTORMS UNTIL 1200,
THEN NUMEROUS SHOWERS AND THUNDERSTORMS.
CHC OF LIGHTNING....50 PERCENT.
MAX TEMPERATURE.....82-92 F NEAR 6000 FEET
70-80 F NEAR 8000 FEET.
MIN HUMIDITY........19-29% NEAR 6000 FEET
29-39% NEAR 8000 FEET.
20-FOOT WINDS.......DOWNSLOPE/DOWNVALLEY 3 TO 6 MPH BECOMING
UPSLOPE/UPVALLEY 4 TO 8 MPH BY 1100.
CWR.................30 PERCENT.
15K FT MSL WINDS....SOUTHWEST 10 TO 15 MPH.
MIXING HEIGHT.......3000 FT AGL UNTIL 1100, THEN 6500 FT AGL.
TRANSPORT WINDS.....SOUTH 5 MPH UNTIL 1200, THEN NORTHWEST.
SMOKE DISPERSAL.....POOR UNTIL 0900. FAIR AFTER 1200.
FORECAST FOR DAY 3 THROUGH 7
THURSDAY
MOSTLY CLOUDY. NUMEROUS THUNDERSTORMS AND SCATTERED
SHOWERS NEAR 6000 FEET AND NUMEROUS THUNDERSTORMS AND SCATTERED
SHOWERS NEAR 8000 FEET. LOWS 57-67. HIGHS 78-88. WINDS LESS THAN
15 MPH.
FRIDAY
MOSTLY CLOUDY. SCATTERED SHOWERS AND THUNDERSTORMS.
LOWS 55-65. HIGHS 77-87. WINDS LESS THAN 15 MPH.
SATURDAY
PARTLY CLOUDY. ISOLATED SHOWERS AND THUNDERSTORMS.
LOWS 53-63. HIGHS 79-89. WINDS LESS THAN 15 MPH.
SUNDAY
PARTLY CLOUDY. SCATTERED SHOWERS AND THUNDERSTORMS.
LOWS 54-64. HIGHS 81-91.
MONDAY
PARTLY CLOUDY. SCATTERED SHOWERS AND THUNDERSTORMS.
LOWS 56-66. HIGHS 83-93.
COZ291-121045-
NORTHERN SAN JUAN FORECAST AREA-
1243 PM MDT TUE AUG 11 2026
REST OF TODAY
SKY/WEATHER.........PARTLY CLOUDY (30-40%). ISOLATED SHOWERS AND
THUNDERSTORMS.
CHC OF LIGHTNING....10 PERCENT.
MAX TEMPERATURE.....76-86 F.
MIN HUMIDITY........20-30%.
20-FOOT WINDS.......DOWNSLOPE/DOWNVALLEY 3 TO 6 MPH BECOMING
UPSLOPE/UPVALLEY 4 TO 8 MPH BY 1100.
CWR.................10 PERCENT.
15K FT MSL WINDS....WEST 10 TO 15 MPH.
MIXING HEIGHT.......10000 FT AGL.
TRANSPORT WINDS.....NORTHWEST 5 TO 10 MPH.
SMOKE DISPERSAL.....GOOD.
TONIGHT
SKY/WEATHER.........PARTLY CLOUDY (50-60%). ISOLATED THUNDERSTORMS
UNTIL 2400. ISOLATED SHOWERS.
CHC OF LIGHTNING....20 PERCENT.
MIN TEMPERATURE.....51-61 F.
MAX HUMIDITY........58-73%.
20-FOOT WINDS.......UPSLOPE/UPVALLEY 4 TO 8 MPH BECOMING
DOWNSLOPE/DOWNVALLEY 3 TO 6 MPH BY SUNSET.
CWR.................10 PERCENT.
15K FT MSL WINDS....NORTHWEST 5 TO 10 MPH SHIFTING TO THE SOUTHWEST
AFTER MIDNIGHT.
MIXING HEIGHT.......7500 FT AGL UNTIL 2000, THEN 1000 FT AGL.
TRANSPORT WINDS.....SOUTH 5 MPH.
SMOKE DISPERSAL.....POOR.
WEDNESDAY
SKY/WEATHER.........PARTLY CLOUDY (50-60%) UNTIL 1200, THEN MOSTLY
CLOUDY (70-80%). SCATTERED SHOWERS AND ISOLATED
THUNDERSTORMS UNTIL 1200, THEN NUMEROUS SHOWERS
AND THUNDERSTORMS.
CHC OF LIGHTNING....70 PERCENT.
MAX TEMPERATURE.....71-81 F.
MIN HUMIDITY........29-39%.
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.......1000 FT AGL UNTIL 0900, THEN 5500 FT AGL UNTIL
1600, THEN 3000 FT AGL.
TRANSPORT WINDS.....SOUTHWEST 5 MPH.
SMOKE DISPERSAL.....POOR.
FORECAST FOR DAY 3 THROUGH 7
THURSDAY
MOSTLY CLOUDY. NUMEROUS THUNDERSTORMS AND SCATTERED
SHOWERS. LOWS 47-57. HIGHS 68-78. WINDS LESS THAN 15 MPH.
FRIDAY
MOSTLY CLOUDY. NUMEROUS THUNDERSTORMS AND SCATTERED
SHOWERS. LOWS 45-55. HIGHS 68-78. WINDS LESS THAN 15 MPH.
SATURDAY
PARTLY CLOUDY. SCATTERED SHOWERS AND THUNDERSTORMS.
LOWS 44-54. HIGHS 70-80. WINDS LESS THAN 15 MPH.
SUNDAY
PARTLY CLOUDY. SCATTERED SHOWERS AND THUNDERSTORMS.
LOWS 45-55. HIGHS 71-81.
MONDAY
PARTLY CLOUDY. NUMEROUS THUNDERSTORMS AND SCATTERED
SHOWERS. LOWS 46-56. HIGHS 72-82.
COZ292-121045-
NORTH FORK FORECAST AREA-
1243 PM MDT TUE AUG 11 2026
REST OF TODAY
SKY/WEATHER.........PARTLY CLOUDY (30-40%). ISOLATED SHOWERS AND
THUNDERSTORMS.
CHC OF LIGHTNING....10 PERCENT.
MAX TEMPERATURE.....87-97 F NEAR 6000 FEET
77-87 F NEAR 8000 FEET.
MIN HUMIDITY........14-24%.
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....WEST 10 TO 15 MPH.
MIXING HEIGHT.......11500 FT AGL.
TRANSPORT WINDS.....NORTHWEST 5 TO 10 MPH.
SMOKE DISPERSAL.....GOOD.
TONIGHT
SKY/WEATHER.........PARTLY CLOUDY (50-60%). NEAR 6000 FEET,
ISOLATED SHOWERS AND THUNDERSTORMS UNTIL 2400.
NEAR 8000 FEET, ISOLATED THUNDERSTORMS UNTIL
2400. ISOLATED SHOWERS.
CHC OF LIGHTNING....10 PERCENT.
MIN TEMPERATURE.....56-66 F NEAR 6000 FEET
52-62 F NEAR 8000 FEET.
MAX HUMIDITY........51-61% NEAR 6000 FEET
57-72% NEAR 8000 FEET.
20-FOOT WINDS.......UPSLOPE/UPVALLEY 4 TO 8 MPH BECOMING
DOWNSLOPE/DOWNVALLEY 3 TO 6 MPH BY SUNSET.
CWR.................10 PERCENT.
15K FT MSL WINDS....WEST 5 TO 10 MPH.
MIXING HEIGHT.......9500 FT AGL UNTIL 2000, THEN 500 FT AGL.
TRANSPORT WINDS.....NORTHWEST 5 TO 10 MPH UNTIL 2400, THEN
SOUTHEAST.
SMOKE DISPERSAL.....FAIR UNTIL 2100, THEN POOR.
WEDNESDAY
SKY/WEATHER.........PARTLY CLOUDY (40-50%) UNTIL 1200, THEN MOSTLY
CLOUDY (70-80%). NEAR 6000 FEET, ISOLATED
SHOWERS UNTIL 1200, THEN SCATTERED SHOWERS AND
THUNDERSTORMS. NEAR 8000 FEET, ISOLATED
THUNDERSTORMS UNTIL 1200. SCATTERED SHOWERS.
SCATTERED THUNDERSTORMS AFTER 1200.
CHC OF LIGHTNING....50 PERCENT.
MAX TEMPERATURE.....84-94 F NEAR 6000 FEET
73-83 F NEAR 8000 FEET.
MIN HUMIDITY........20-30% NEAR 6000 FEET
26-36% 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....WEST 10 TO 15 MPH.
MIXING HEIGHT.......2000 FT AGL UNTIL 1000, THEN 6500 FT AGL UNTIL
1700, THEN 3500 FT AGL.
TRANSPORT WINDS.....SOUTHWEST 5 MPH.
SMOKE DISPERSAL.....POOR UNTIL 1200, THEN FAIR UNTIL 1500, THEN
POOR.
FORECAST FOR DAY 3 THROUGH 7
THURSDAY
MOSTLY CLOUDY. SCATTERED SHOWERS AND THUNDERSTORMS.
LOWS 54-64. HIGHS 79-89. WINDS LESS THAN 15 MPH.
FRIDAY
MOSTLY CLOUDY. SCATTERED SHOWERS AND THUNDERSTORMS.
LOWS 52-62. HIGHS 77-87. WINDS LESS THAN 15 MPH.
SATURDAY
PARTLY CLOUDY. SCATTERED SHOWERS AND THUNDERSTORMS.
LOWS 51-61. HIGHS 79-89. WINDS LESS THAN 15 MPH.
SUNDAY
PARTLY CLOUDY. SCATTERED SHOWERS AND THUNDERSTORMS.
LOWS 52-62. HIGHS 81-91.
MONDAY
PARTLY CLOUDY. SCATTERED SHOWERS AND THUNDERSTORMS.
LOWS 53-63. HIGHS 83-93.
COZ293-121045-
GUNNISON BASIN FORECAST AREA-
1243 PM MDT TUE AUG 11 2026
REST OF TODAY
SKY/WEATHER.........PARTLY CLOUDY (40-50%). ISOLATED SHOWERS AND
THUNDERSTORMS.
CHC OF LIGHTNING....20 PERCENT.
MAX TEMPERATURE.....82-92 F.
MIN HUMIDITY........20-30%.
20-FOOT WINDS.......DOWNSLOPE/DOWNVALLEY 3 TO 6 MPH BECOMING
UPSLOPE/UPVALLEY 4 TO 8 MPH BY 1100.
CWR.................10 PERCENT.
15K FT MSL WINDS....NORTHWEST 10 TO 15 MPH.
MIXING HEIGHT.......10000 FT AGL.
TRANSPORT WINDS.....WEST 5 TO 10 MPH.
SMOKE DISPERSAL.....GOOD.
TONIGHT
SKY/WEATHER.........PARTLY CLOUDY (50-60%). PATCHY SMOKE UNTIL
2400. ISOLATED SHOWERS AND THUNDERSTORMS UNTIL
2400.
CHC OF LIGHTNING....20 PERCENT.
MIN TEMPERATURE.....52-62 F.
MAX HUMIDITY........66-81%.
20-FOOT WINDS.......DOWNSLOPE/DOWNVALLEY WINDS 3 TO 6 MPH.
LOCALIZED GUSTS UP TO 20 MPH IN THE EVENING.
CWR.................10 PERCENT.
15K FT MSL WINDS....WEST 5 TO 10 MPH.
MIXING HEIGHT.......8000 FT AGL UNTIL 2000, THEN 500 FT AGL.
TRANSPORT WINDS.....EAST 5 MPH.
SMOKE DISPERSAL.....POOR.
WEDNESDAY
SKY/WEATHER.........PARTLY CLOUDY (50-60%) UNTIL 1200, THEN MOSTLY
CLOUDY (70-80%). SCATTERED SHOWERS AND ISOLATED
THUNDERSTORMS UNTIL 1200, THEN NUMEROUS SHOWERS
AND SCATTERED THUNDERSTORMS.
CHC OF LIGHTNING....50 PERCENT.
MAX TEMPERATURE.....77-87 F.
MIN HUMIDITY........27-37%.
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....WEST 10 TO 15 MPH.
MIXING HEIGHT.......2000 FT AGL UNTIL 1000, THEN 6000 FT AGL UNTIL
1700, THEN 3000 FT AGL.
TRANSPORT WINDS.....WEST 5 MPH.
SMOKE DISPERSAL.....POOR UNTIL 1200, THEN FAIR UNTIL 1500, THEN
POOR.
FORECAST FOR DAY 3 THROUGH 7
THURSDAY
SHOWERS AND SCATTERED THUNDERSTORMS. LOWS 45-55.
HIGHS 69-79. WINDS LESS THAN 15 MPH.
FRIDAY
MOSTLY CLOUDY. SHOWERS WITH NUMEROUS THUNDERSTORMS.
LOWS 45-55. HIGHS 68-78. WINDS LESS THAN 15 MPH.
SATURDAY
PARTLY CLOUDY. SCATTERED SHOWERS AND THUNDERSTORMS.
LOWS 43-53. HIGHS 69-79. WINDS LESS THAN 15 MPH.
SUNDAY
PARTLY CLOUDY. SCATTERED SHOWERS AND THUNDERSTORMS.
LOWS 43-53. HIGHS 71-81.
MONDAY
PARTLY CLOUDY. SCATTERED SHOWERS AND THUNDERSTORMS.
LOWS 45-55. HIGHS 73-83.
COZ207-121045-
SOUTHWEST COLORADO LOWER FORECAST AREA-
1243 PM MDT TUE AUG 11 2026
REST OF TODAY
SKY/WEATHER.........MOSTLY SUNNY (20-30%). ISOLATED SHOWERS AND
THUNDERSTORMS.
CHC OF LIGHTNING....10 PERCENT.
MAX TEMPERATURE.....89-99 F.
MIN HUMIDITY........12-17%.
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 5 TO 10 MPH.
MIXING HEIGHT.......12000 FT AGL.
TRANSPORT WINDS.....NORTHWEST 5 TO 10 MPH.
SMOKE DISPERSAL.....GOOD.
TONIGHT
SKY/WEATHER.........PARTLY CLOUDY (40-50%). ISOLATED SHOWERS AND
THUNDERSTORMS.
CHC OF LIGHTNING....10 PERCENT.
MIN TEMPERATURE.....59-69 F.
MAX HUMIDITY........58-73%.
20-FOOT WINDS.......UPSLOPE/UPVALLEY 4 TO 8 MPH BECOMING
DOWNSLOPE/DOWNVALLEY 3 TO 6 MPH BY SUNSET.
CWR.................10 PERCENT.
15K FT MSL WINDS....SOUTHWEST 5 TO 10 MPH.
MIXING HEIGHT.......10500 FT AGL UNTIL 2000, THEN 1500 FT AGL.
TRANSPORT WINDS.....NORTHWEST 5 TO 10 MPH UNTIL 2400, THEN SOUTH.
SMOKE DISPERSAL.....GOOD UNTIL 2100, THEN POOR.
WEDNESDAY
SKY/WEATHER.........MOSTLY CLOUDY (60-70%). ISOLATED SHOWERS UNTIL
1200, THEN SCATTERED SHOWERS AND THUNDERSTORMS.
CHC OF LIGHTNING....40 PERCENT.
MAX TEMPERATURE.....81-91 F.
MIN HUMIDITY........17-27%.
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....SOUTHWEST 10 TO 15 MPH.
MIXING HEIGHT.......1500 FT AGL UNTIL 1000, THEN 10000 FT AGL.
TRANSPORT WINDS.....WEST 5 MPH.
SMOKE DISPERSAL.....POOR UNTIL 0900. GOOD AFTER 1200.
FORECAST FOR DAY 3 THROUGH 7
THURSDAY
MOSTLY CLOUDY. SCATTERED SHOWERS AND THUNDERSTORMS.
LOWS 54-64. HIGHS 79-89. WINDS LESS THAN 15 MPH.
FRIDAY
PARTLY CLOUDY. SCATTERED SHOWERS AND THUNDERSTORMS.
LOWS 53-63. HIGHS 79-89. WINDS LESS THAN 15 MPH.
SATURDAY
PARTLY CLOUDY. ISOLATED SHOWERS AND THUNDERSTORMS.
LOWS 51-61. HIGHS 81-91. WINDS LESS THAN 15 MPH.
SUNDAY
PARTLY CLOUDY. ISOLATED SHOWERS AND THUNDERSTORMS. LOWS
52-62. HIGHS 83-93.
MONDAY
PARTLY CLOUDY. SCATTERED SHOWERS AND THUNDERSTORMS.
LOWS 54-64. HIGHS 84-94.
COZ294-121045-
SOUTHWEST COLORADO UPPER WEST FORECAST AREA-
1243 PM MDT TUE AUG 11 2026
REST OF TODAY
SKY/WEATHER.........PARTLY CLOUDY (40-50%). ISOLATED SHOWERS AND
THUNDERSTORMS.
CHC OF LIGHTNING....10 PERCENT.
MAX TEMPERATURE.....76-86 F.
MIN HUMIDITY........18-28%.
20-FOOT WINDS.......DOWNSLOPE/DOWNVALLEY 3 TO 6 MPH BECOMING
UPSLOPE/UPVALLEY 4 TO 8 MPH BY 1100.
CWR.................10 PERCENT.
15K FT MSL WINDS....WEST 5 TO 10 MPH.
MIXING HEIGHT.......10500 FT AGL.
TRANSPORT WINDS.....NORTHWEST 5 TO 10 MPH.
SMOKE DISPERSAL.....GOOD.
TONIGHT
SKY/WEATHER.........PARTLY CLOUDY (50-60%). ISOLATED THUNDERSTORMS
UNTIL 2400. ISOLATED SHOWERS.
CHC OF LIGHTNING....20 PERCENT.
MIN TEMPERATURE.....53-63 F.
MAX HUMIDITY........68-83%.
20-FOOT WINDS.......UPSLOPE/UPVALLEY 4 TO 8 MPH BECOMING
DOWNSLOPE/DOWNVALLEY 3 TO 6 MPH BY SUNSET.
CWR.................10 PERCENT.
15K FT MSL WINDS....WEST 5 TO 10 MPH.
MIXING HEIGHT.......7500 FT AGL UNTIL 2000, THEN 1500 FT AGL.
TRANSPORT WINDS.....NORTHEAST 5 TO 10 MPH UNTIL 2400, THEN
SOUTHEAST.
SMOKE DISPERSAL.....POOR.
WEDNESDAY
SKY/WEATHER.........PARTLY CLOUDY (50-60%) UNTIL 1200, THEN MOSTLY
CLOUDY (70-80%). ISOLATED SHOWERS AND
THUNDERSTORMS UNTIL 1200, THEN SCATTERED
SHOWERS AND THUNDERSTORMS.
CHC OF LIGHTNING....50 PERCENT.
MAX TEMPERATURE.....71-81 F.
MIN HUMIDITY........29-39%.
20-FOOT WINDS.......DOWNSLOPE/DOWNVALLEY 3 TO 6 MPH BECOMING
UPSLOPE/UPVALLEY 4 TO 8 MPH BY 1100.
CWR.................40 PERCENT.
15K FT MSL WINDS....SOUTHWEST 5 TO 10 MPH.
MIXING HEIGHT.......2000 FT AGL UNTIL 1000, THEN 6500 FT AGL.
TRANSPORT WINDS.....WEST 5 MPH.
SMOKE DISPERSAL.....POOR UNTIL 0900. FAIR AFTER 1200.
FORECAST FOR DAY 3 THROUGH 7
THURSDAY
MOSTLY CLOUDY. NUMEROUS THUNDERSTORMS AND SCATTERED
SHOWERS. LOWS 46-56. HIGHS 67-77. WINDS LESS THAN 15 MPH.
FRIDAY
MOSTLY CLOUDY. SCATTERED SHOWERS AND THUNDERSTORMS.
LOWS 44-54. HIGHS 67-77. WINDS LESS THAN 15 MPH.
SATURDAY
PARTLY CLOUDY. ISOLATED SHOWERS AND THUNDERSTORMS.
LOWS 43-53. HIGHS 69-79. WINDS LESS THAN 15 MPH.
SUNDAY
PARTLY CLOUDY. SCATTERED SHOWERS AND THUNDERSTORMS.
LOWS 44-54. HIGHS 70-80.
MONDAY
PARTLY CLOUDY. SCATTERED SHOWERS AND THUNDERSTORMS.
LOWS 46-56. HIGHS 72-82.
COZ295-121045-
SOUTHWEST COLORADO UPPER EAST FORECAST AREA-
1243 PM MDT TUE AUG 11 2026
REST OF TODAY
SKY/WEATHER.........PARTLY CLOUDY (40-50%). SCATTERED SHOWERS AND
THUNDERSTORMS.
CHC OF LIGHTNING....40 PERCENT.
MAX TEMPERATURE.....82-92 F.
MIN HUMIDITY........19-29%.
20-FOOT WINDS.......DOWNSLOPE/DOWNVALLEY 3 TO 6 MPH BECOMING
UPSLOPE/UPVALLEY 4 TO 8 MPH BY 1100.
CWR.................40 PERCENT.
15K FT MSL WINDS....NORTHWEST 10 TO 15 MPH.
MIXING HEIGHT.......11500 FT AGL UNTIL 1600, THEN 6500 FT AGL.
TRANSPORT WINDS.....NORTHWEST 5 TO 10 MPH.
SMOKE DISPERSAL.....FAIR.
TONIGHT
SKY/WEATHER.........MOSTLY CLOUDY (60-70%). SCATTERED SHOWERS AND
THUNDERSTORMS UNTIL 2400, THEN ISOLATED
SHOWERS.
CHC OF LIGHTNING....30 PERCENT.
MIN TEMPERATURE.....50-60 F.
MAX HUMIDITY........71-86%.
20-FOOT WINDS.......DOWNSLOPE/DOWNVALLEY WINDS 3 TO 6 MPH.
LOCALIZED GUSTS UP TO 20 MPH IN THE EVENING.
CWR.................20 PERCENT.
15K FT MSL WINDS....NORTHWEST 5 TO 10 MPH.
MIXING HEIGHT.......3000 FT AGL UNTIL 2000, THEN 500 FT AGL.
TRANSPORT WINDS.....NORTHEAST 5 MPH.
SMOKE DISPERSAL.....POOR.
WEDNESDAY
SKY/WEATHER.........PARTLY CLOUDY (40-50%) UNTIL 1200, THEN MOSTLY
CLOUDY (60-70%). ISOLATED THUNDERSTORMS UNTIL
1200. SCATTERED SHOWERS. SCATTERED
THUNDERSTORMS AFTER 1200.
CHC OF LIGHTNING....50 PERCENT.
MAX TEMPERATURE.....77-87 F.
MIN HUMIDITY........28-38%.
20-FOOT WINDS.......UPSLOPE/UPVALLEY WINDS 4 TO 8 MPH. LOCALIZED
GUSTS UP TO 20 MPH IN THE AFTERNOON.
CWR.................60 PERCENT.
15K FT MSL WINDS....SOUTHWEST 5 TO 10 MPH INCREASING TO 10 TO 15
MPH IN THE AFTERNOON.
MIXING HEIGHT.......1500 FT AGL UNTIL 1000. 7000 FT AGL AFTER 1100.
TRANSPORT WINDS.....NORTHWEST 5 MPH UNTIL 1200, THEN SOUTHWEST.
SMOKE DISPERSAL.....POOR UNTIL 0900. FAIR AFTER 1200.
FORECAST FOR DAY 3 THROUGH 7
THURSDAY
MOSTLY CLOUDY. NUMEROUS THUNDERSTORMS AND SCATTERED
SHOWERS. LOWS 46-56. HIGHS 70-80. WINDS LESS THAN 15 MPH.
FRIDAY
MOSTLY CLOUDY. NUMEROUS THUNDERSTORMS AND SCATTERED
SHOWERS. LOWS 45-55. HIGHS 70-80. WINDS LESS THAN 15 MPH.
SATURDAY
PARTLY CLOUDY. SCATTERED SHOWERS AND THUNDERSTORMS.
LOWS 44-54. HIGHS 72-82. WINDS LESS THAN 15 MPH.
SUNDAY
PARTLY CLOUDY. SCATTERED SHOWERS AND THUNDERSTORMS.
LOWS 45-55. HIGHS 73-83.
MONDAY
MOSTLY CLOUDY. NUMEROUS THUNDERSTORMS AND SCATTERED
SHOWERS. LOWS 46-56. HIGHS 73-83.
UTZ485-121045-
EASTERN ASHLEY NATIONAL FOREST-
1243 PM MDT TUE AUG 11 2026
REST OF TODAY
SKY/WEATHER.........MOSTLY CLOUDY (60-70%). SCATTERED SHOWERS AND
THUNDERSTORMS.
CHC OF LIGHTNING....30 PERCENT.
MAX TEMPERATURE.....77-87 F NEAR 7000 FEET
66-76 F NEAR 10000 FEET.
24 HR TREND......UNCHANGED.
MIN HUMIDITY........22-32% NEAR 7000 FEET
29-39% NEAR 10000 FEET.
24 HR TREND......5% DRIER.
20-FOOT WINDS.......DOWNSLOPE/DOWNVALLEY 3 TO 6 MPH BECOMING
UPSLOPE/UPVALLEY 4 TO 8 MPH BY 1100.
CWR.................20 PERCENT.
MIXING HEIGHT.......7000 FT AGL.
TRANSPORT WINDS.....WEST 5 TO 10 MPH.
CLEARING INDEX......850.
TONIGHT
SKY/WEATHER.........MOSTLY CLOUDY (70-80%). ISOLATED THUNDERSTORMS
UNTIL 2400. ISOLATED SHOWERS.
CHC OF LIGHTNING....10 PERCENT.
MIN TEMPERATURE.....56-66 F NEAR 7000 FEET
41-51 F NEAR 10000 FEET.
24 HR TREND......2 DEGREES COOLER.
MAX HUMIDITY........51-61% NEAR 7000 FEET
62-77% NEAR 10000 FEET.
24 HR TREND......2% DRIER.
20-FOOT WINDS.......UPSLOPE/UPVALLEY 4 TO 8 MPH BECOMING
DOWNSLOPE/DOWNVALLEY 3 TO 6 MPH BY SUNSET.
CWR.................10 PERCENT.
MIXING HEIGHT.......5500 FT AGL UNTIL 1900. 500 FT AGL AFTER 2000.
TRANSPORT WINDS.....WEST 5 TO 10 MPH.
CLEARING INDEX......650 UNTIL 1900. LESS THAN 500 AFTER 2000.
WEDNESDAY
SKY/WEATHER.........MOSTLY CLOUDY (60-70%). NEAR 7000 FEET,
ISOLATED SHOWERS UNTIL 1200, THEN SCATTERED
SHOWERS AND THUNDERSTORMS. NEAR 10000 FEET,
SCATTERED SHOWERS AND ISOLATED THUNDERSTORMS
UNTIL 1200, THEN NUMEROUS SHOWERS AND SCATTERED
THUNDERSTORMS.
CHC OF LIGHTNING....50 PERCENT.
MAX TEMPERATURE.....72-82 F NEAR 7000 FEET
61-71 F NEAR 10000 FEET.
24 HR TREND......5 DEGREES COOLER.
MIN HUMIDITY........28-38% NEAR 7000 FEET
38-48% NEAR 10000 FEET.
24 HR TREND......9% WETTER.
20-FOOT WINDS.......UPSLOPE/UPVALLEY WINDS 4 TO 8 MPH. LOCALIZED
GUSTS UP TO 20 MPH IN THE AFTERNOON.
CWR.................50 PERCENT.
MIXING HEIGHT.......2000 FT AGL UNTIL 1000, THEN 5000 FT AGL.
TRANSPORT WINDS.....WEST 5 MPH.
CLEARING INDEX......LESS THAN 500 UNTIL 1000. 950 AFTER 1200.
FORECAST FOR DAY 3 THROUGH 7
THURSDAY
MOSTLY CLOUDY. SCATTERED SHOWERS AND THUNDERSTORMS
NEAR 7000 FEET AND NUMEROUS THUNDERSTORMS AND SCATTERED SHOWERS
NEAR 10000 FEET. LOWS 51-61. HIGHS 67-77. WINDS LESS THAN
15 MPH.
FRIDAY
MOSTLY CLOUDY. SCATTERED SHOWERS AND THUNDERSTORMS NEAR
7000 FEET AND NUMEROUS SHOWERS AND SCATTERED THUNDERSTORMS NEAR
10000 FEET. LOWS 46-56. HIGHS 67-77. WINDS LESS THAN 15 MPH.
SATURDAY
PARTLY CLOUDY. SCATTERED SHOWERS AND THUNDERSTORMS .
LOWS 45-55. HIGHS 68-78. WINDS LESS THAN 15 MPH.
SUNDAY
PARTLY CLOUDY. SCATTERED SHOWERS AND THUNDERSTORMS .
LOWS 46-56. HIGHS 70-80.
MONDAY
PARTLY CLOUDY. ISOLATED SHOWERS AND THUNDERSTORMS NEAR
7000 FEET AND SCATTERED SHOWERS AND THUNDERSTORMS NEAR 10000 FEET
. LOWS 48-58. HIGHS 73-83.
UTZ486-121045-
EASTERN UINTA BASIN-
1243 PM MDT TUE AUG 11 2026
REST OF TODAY
SKY/WEATHER.........NEAR 5000 FEET, PARTLY CLOUDY (50-60%). NEAR
8000 FEET, MOSTLY CLOUDY (60-70%). ISOLATED
SHOWERS AND THUNDERSTORMS.
CHC OF LIGHTNING....10 PERCENT.
MAX TEMPERATURE.....84-94 F NEAR 5000 FEET
73-83 F NEAR 8000 FEET.
24 HR TREND......1 DEGREE COOLER.
MIN HUMIDITY........16-26%.
24 HR TREND......5% WETTER.
20-FOOT WINDS.......DOWNSLOPE/DOWNVALLEY 3 TO 6 MPH BECOMING
UPSLOPE/UPVALLEY 4 TO 8 MPH BY 1100.
CWR.................10 PERCENT.
MIXING HEIGHT.......11000 FT AGL.
TRANSPORT WINDS.....NORTHWEST 5 TO 10 MPH.
CLEARING INDEX......1050.
TONIGHT
SKY/WEATHER.........MOSTLY CLOUDY (60-70%). NEAR 5000 FEET,
ISOLATED SHOWERS AND THUNDERSTORMS UNTIL 2400.
NEAR 8000 FEET, ISOLATED THUNDERSTORMS UNTIL
2400. ISOLATED SHOWERS.
CHC OF LIGHTNING....10 PERCENT.
MIN TEMPERATURE.....58-68 F.
24 HR TREND......UNCHANGED.
MAX HUMIDITY........43-53%.
24 HR TREND......3% DRIER.
20-FOOT WINDS.......DOWNSLOPE/DOWNVALLEY WINDS 3 TO 6 MPH.
LOCALIZED GUSTS UP TO 20 MPH IN THE EVENING.
CWR.................0 PERCENT.
MIXING HEIGHT.......7000 FT AGL UNTIL 2000, THEN 1000 FT AGL.
TRANSPORT WINDS.....NORTH 5 MPH.
CLEARING INDEX......950 UNTIL 1900. LESS THAN 500 AFTER 2000.
WEDNESDAY
SKY/WEATHER.........MOSTLY CLOUDY (60-70%). SCATTERED SHOWERS AND
THUNDERSTORMS AFTER 1200. ISOLATED SHOWERS
UNTIL 1200.
CHC OF LIGHTNING....30 PERCENT.
MAX TEMPERATURE.....80-90 F NEAR 5000 FEET
69-79 F NEAR 8000 FEET.
24 HR TREND......2 DEGREES COOLER.
MIN HUMIDITY........19-29% NEAR 5000 FEET
26-36% NEAR 8000 FEET.
24 HR TREND......4% WETTER.
20-FOOT WINDS.......DOWNSLOPE/DOWNVALLEY 3 TO 6 MPH BECOMING
UPSLOPE/UPVALLEY 4 TO 8 MPH BY 1100.
CWR.................20 PERCENT.
MIXING HEIGHT.......1500 FT AGL UNTIL 1000, THEN 9000 FT AGL.
TRANSPORT WINDS.....WEST 5 MPH.
CLEARING INDEX......LESS THAN 500 UNTIL 1000. 1000 AFTER 1200.
FORECAST FOR DAY 3 THROUGH 7
THURSDAY
MOSTLY CLOUDY. SCATTERED SHOWERS AND THUNDERSTORMS .
LOWS 56-66. HIGHS 74-84. WINDS LESS THAN 15 MPH.
FRIDAY
MOSTLY CLOUDY. SCATTERED SHOWERS AND THUNDERSTORMS .
LOWS 52-62. HIGHS 74-84. WINDS LESS THAN 15 MPH.
SATURDAY
PARTLY CLOUDY. ISOLATED SHOWERS AND THUNDERSTORMS .
LOWS 50-60. HIGHS 76-86. WINDS LESS THAN 15 MPH.
SUNDAY
PARTLY CLOUDY. ISOLATED SHOWERS AND THUNDERSTORMS .
LOWS 52-62. HIGHS 78-88.
MONDAY
PARTLY CLOUDY. ISOLATED SHOWERS AND THUNDERSTORMS .
LOWS 54-64. HIGHS 80-90.
UTZ487-121045-
BOOK CLIFFS-
1243 PM MDT TUE AUG 11 2026
REST OF TODAY
SKY/WEATHER.........PARTLY CLOUDY (50-60%). ISOLATED SHOWERS AND
THUNDERSTORMS.
CHC OF LIGHTNING....10 PERCENT.
MAX TEMPERATURE.....84-94 F NEAR 5000 FEET
78-88 F NEAR 8000 FEET.
24 HR TREND......2 DEGREES COOLER.
MIN HUMIDITY........13-23% NEAR 5000 FEET
20-30% NEAR 8000 FEET.
24 HR TREND......2% WETTER.
20-FOOT WINDS.......DOWNSLOPE/DOWNVALLEY 3 TO 6 MPH BECOMING
UPSLOPE/UPVALLEY 4 TO 8 MPH BY 1100.
CWR.................10 PERCENT.
MIXING HEIGHT.......11500 FT AGL.
TRANSPORT WINDS.....WEST 5 TO 10 MPH.
CLEARING INDEX......1050.
TONIGHT
SKY/WEATHER.........NEAR 5000 FEET, MOSTLY CLOUDY (60-70%). NEAR
8000 FEET, PARTLY CLOUDY (50-60%). ISOLATED
THUNDERSTORMS UNTIL 2400. ISOLATED SHOWERS.
CHC OF LIGHTNING....10 PERCENT.
MIN TEMPERATURE.....60-70 F NEAR 5000 FEET
54-64 F NEAR 8000 FEET.
24 HR TREND......UNCHANGED.
MAX HUMIDITY........47-57%.
24 HR TREND......2% WETTER.
20-FOOT WINDS.......UPSLOPE/UPVALLEY 4 TO 8 MPH BECOMING
DOWNSLOPE/DOWNVALLEY 3 TO 6 MPH BY SUNSET.
CWR.................10 PERCENT.
MIXING HEIGHT.......7500 FT AGL UNTIL 2000, THEN 1000 FT AGL.
TRANSPORT WINDS.....NORTHWEST 5 TO 10 MPH UNTIL 2400, THEN
SOUTHWEST.
CLEARING INDEX......1000 UNTIL 1900. LESS THAN 500 AFTER 2000.
WEDNESDAY
SKY/WEATHER.........MOSTLY CLOUDY (60-70%). ISOLATED SHOWERS UNTIL
1200. SCATTERED SHOWERS AND THUNDERSTORMS AFTER
1200.
CHC OF LIGHTNING....40 PERCENT.
MAX TEMPERATURE.....80-90 F NEAR 5000 FEET
73-83 F NEAR 8000 FEET.
24 HR TREND......4 DEGREES COOLER.
MIN HUMIDITY........19-29% NEAR 5000 FEET
26-36% NEAR 8000 FEET.
24 HR TREND......5% WETTER.
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 1000, THEN 7500 FT AGL.
TRANSPORT WINDS.....SOUTHWEST 5 MPH.
CLEARING INDEX......LESS THAN 500 UNTIL 1200. 950 AFTER 1500.
FORECAST FOR DAY 3 THROUGH 7
THURSDAY
MOSTLY CLOUDY. SCATTERED SHOWERS AND THUNDERSTORMS .
LOWS 55-65. HIGHS 76-86. WINDS LESS THAN 15 MPH.
FRIDAY
MOSTLY CLOUDY. SCATTERED SHOWERS AND THUNDERSTORMS .
LOWS 51-61. HIGHS 75-85. WINDS LESS THAN 15 MPH.
SATURDAY
PARTLY CLOUDY. ISOLATED SHOWERS AND THUNDERSTORMS .
LOWS 49-59. HIGHS 77-87. WINDS LESS THAN 15 MPH.
SUNDAY
PARTLY CLOUDY. ISOLATED SHOWERS AND THUNDERSTORMS .
LOWS 50-60. HIGHS 79-89.
MONDAY
PARTLY CLOUDY. ISOLATED SHOWERS AND THUNDERSTORMS .
LOWS 53-63. HIGHS 82-92.
UTZ490-121045-
COLORADO RIVER BASIN-
1243 PM MDT TUE AUG 11 2026
REST OF TODAY
SKY/WEATHER.........PARTLY CLOUDY (30-40%). ISOLATED SHOWERS AND
THUNDERSTORMS.
CHC OF LIGHTNING....10 PERCENT.
MAX TEMPERATURE.....95-105 F NEAR 5000 FEET
83-93 F NEAR 7000 FEET.
24 HR TREND......UNCHANGED.
MIN HUMIDITY........12-17%.
24 HR TREND......1% DRIER.
20-FOOT WINDS.......DOWNSLOPE/DOWNVALLEY 3 TO 6 MPH BECOMING
UPSLOPE/UPVALLEY 4 TO 8 MPH BY 1100.
CWR.................0 PERCENT.
MIXING HEIGHT.......12500 FT AGL.
TRANSPORT WINDS.....WEST 5 TO 10 MPH.
CLEARING INDEX......1050.
TONIGHT
SKY/WEATHER.........PARTLY CLOUDY (40-50%). ISOLATED SHOWERS AND
THUNDERSTORMS UNTIL 2400.
CHC OF LIGHTNING....10 PERCENT.
MIN TEMPERATURE.....63-73 F.
24 HR TREND......1 DEGREE COOLER.
MAX HUMIDITY........42-52%.
24 HR TREND......2% WETTER.
20-FOOT WINDS.......UPSLOPE/UPVALLEY 4 TO 8 MPH BECOMING
DOWNSLOPE/DOWNVALLEY 3 TO 6 MPH BY SUNSET.
CWR.................10 PERCENT.
MIXING HEIGHT.......11500 FT AGL UNTIL 2000, THEN 1000 FT AGL.
TRANSPORT WINDS.....NORTHWEST 5 TO 10 MPH UNTIL 2400, THEN EAST.
CLEARING INDEX......1000 UNTIL 2000, THEN LESS THAN 500.
WEDNESDAY
SKY/WEATHER.........PARTLY CLOUDY (50-60%) UNTIL 1200, THEN MOSTLY
CLOUDY (60-70%). NEAR 5000 FEET, ISOLATED
SHOWERS. SCATTERED THUNDERSTORMS AFTER 1200.
NEAR 7000 FEET, ISOLATED SHOWERS UNTIL 1200,
THEN SCATTERED SHOWERS AND THUNDERSTORMS.
CHC OF LIGHTNING....30 PERCENT.
MAX TEMPERATURE.....90-100 F NEAR 5000 FEET
79-89 F NEAR 7000 FEET.
24 HR TREND......4 DEGREES COOLER.
MIN HUMIDITY........15-25%.
24 HR TREND......5% WETTER.
20-FOOT WINDS.......UPSLOPE/UPVALLEY WINDS 4 TO 8 MPH. LOCALIZED
GUSTS UP TO 20 MPH IN THE AFTERNOON.
CWR.................20 PERCENT.
MIXING HEIGHT.......1500 FT AGL UNTIL 1000. 9000 FT AGL AFTER 1100.
TRANSPORT WINDS.....SOUTHWEST 5 MPH.
CLEARING INDEX......LESS THAN 500 UNTIL 1200, THEN 750.
FORECAST FOR DAY 3 THROUGH 7
THURSDAY
MOSTLY CLOUDY. SCATTERED SHOWERS AND THUNDERSTORMS .
LOWS 61-71. HIGHS 83-93. WINDS LESS THAN 15 MPH.
FRIDAY
MOSTLY CLOUDY. SCATTERED SHOWERS AND THUNDERSTORMS .
LOWS 58-68. HIGHS 82-92. WINDS LESS THAN 15 MPH.
SATURDAY
PARTLY CLOUDY. ISOLATED SHOWERS AND THUNDERSTORMS .
LOWS 57-67. HIGHS 84-94. WINDS LESS THAN 15 MPH.
SUNDAY
PARTLY CLOUDY. ISOLATED SHOWERS AND THUNDERSTORMS .
LOWS 58-68. HIGHS 86-96.
MONDAY
PARTLY CLOUDY. ISOLATED SHOWERS AND THUNDERSTORMS .
LOWS 60-70. HIGHS 88-98.
UTZ491-121045-
SOUTHEAST UTAH-
1243 PM MDT TUE AUG 11 2026
REST OF TODAY
SKY/WEATHER.........NEAR 5000 FEET, MOSTLY SUNNY (20-30%). NEAR
8000 FEET, PARTLY CLOUDY (40-50%). ISOLATED
SHOWERS AND THUNDERSTORMS.
CHC OF LIGHTNING....10 PERCENT.
MAX TEMPERATURE.....92-102 F NEAR 5000 FEET
76-86 F NEAR 8000 FEET.
24 HR TREND......1 DEGREE COOLER.
MIN HUMIDITY........12-17% NEAR 5000 FEET
18-28% NEAR 8000 FEET.
24 HR TREND......UNCHANGED.
20-FOOT WINDS.......DOWNSLOPE/DOWNVALLEY 3 TO 6 MPH BECOMING
UPSLOPE/UPVALLEY 4 TO 8 MPH BY 1100.
CWR.................10 PERCENT.
MIXING HEIGHT.......12000 FT AGL.
TRANSPORT WINDS.....WEST 5 TO 10 MPH.
CLEARING INDEX......800 UNTIL 1500, THEN 1050.
TONIGHT
SKY/WEATHER.........PARTLY CLOUDY (40-50%) UNTIL 2400, THEN MOSTLY
CLOUDY (60-70%). NEAR 5000 FEET, ISOLATED
SHOWERS AND THUNDERSTORMS. NEAR 8000 FEET,
ISOLATED THUNDERSTORMS UNTIL 2400. ISOLATED
SHOWERS.
CHC OF LIGHTNING....10 PERCENT.
MIN TEMPERATURE.....64-74 F NEAR 5000 FEET
56-66 F NEAR 8000 FEET.
24 HR TREND......UNCHANGED.
MAX HUMIDITY........47-57%.
24 HR TREND......18% WETTER.
20-FOOT WINDS.......DOWNSLOPE/DOWNVALLEY WINDS 3 TO 6 MPH.
LOCALIZED GUSTS UP TO 20 MPH.
CWR.................10 PERCENT.
MIXING HEIGHT.......11000 FT AGL UNTIL 2000. 1000 FT AGL AFTER
2100.
TRANSPORT WINDS.....WEST 5 TO 10 MPH UNTIL 2400, THEN SOUTHWEST.
CLEARING INDEX......1050 UNTIL 2000, THEN LESS THAN 500.
WEDNESDAY
SKY/WEATHER.........NEAR 5000 FEET, PARTLY CLOUDY (50-60%),
ISOLATED SHOWERS. ISOLATED THUNDERSTORMS AFTER
1200. NEAR 8000 FEET, PARTLY CLOUDY (50-60%)
UNTIL 1200, THEN MOSTLY CLOUDY (60-70%),
SCATTERED SHOWERS. SCATTERED THUNDERSTORMS
AFTER 1200.
CHC OF LIGHTNING....20 PERCENT.
MAX TEMPERATURE.....87-97 F NEAR 5000 FEET
70-80 F NEAR 8000 FEET.
24 HR TREND......5 DEGREES COOLER.
MIN HUMIDITY........16-26% NEAR 5000 FEET
27-37% NEAR 8000 FEET.
24 HR TREND......5% WETTER.
20-FOOT WINDS.......UPSLOPE/UPVALLEY WINDS 4 TO 8 MPH. LOCALIZED
GUSTS UP TO 25 MPH IN THE AFTERNOON.
CWR.................10 PERCENT.
MIXING HEIGHT.......3000 FT AGL UNTIL 1100, THEN 10500 FT AGL.
TRANSPORT WINDS.....WEST 5 TO 10 MPH.
CLEARING INDEX......LESS THAN 500 UNTIL 1200. 1050 AFTER 1400.
FORECAST FOR DAY 3 THROUGH 7
THURSDAY
PARTLY CLOUDY NEAR 5000 FEET AND MOSTLY CLOUDY NEAR
8000 FEET AND SCATTERED SHOWERS AND THUNDERSTORMS . LOWS 61-71.
HIGHS 81-91. WINDS LESS THAN 15 MPH.
FRIDAY
PARTLY CLOUDY NEAR 5000 FEET AND MOSTLY CLOUDY NEAR
8000 FEET AND ISOLATED SHOWERS AND THUNDERSTORMS NEAR 5000 FEET
AND SCATTERED SHOWERS AND THUNDERSTORMS NEAR 8000 FEET. LOWS
58-68. HIGHS 81-91. WINDS LESS THAN 15 MPH.
SATURDAY
PARTLY CLOUDY. ISOLATED SHOWERS AND THUNDERSTORMS
NEAR 5000 FEET AND SCATTERED SHOWERS AND THUNDERSTORMS NEAR
8000 FEET. LOWS 56-66. HIGHS 84-94. WINDS LESS THAN 15 MPH.
SUNDAY
PARTLY CLOUDY. ISOLATED SHOWERS AND THUNDERSTORMS NEAR
5000 FEET AND SCATTERED SHOWERS AND THUNDERSTORMS NEAR 8000 FEET
. LOWS 58-68. HIGHS 86-96.
MONDAY
PARTLY CLOUDY. ISOLATED SHOWERS AND THUNDERSTORMS NEAR
5000 FEET AND SCATTERED SHOWERS AND THUNDERSTORMS NEAR 8000 FEET
. LOWS 60-70. HIGHS 87-97.
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