116
FNUS55 KGJT 210703
FWFGJT
FIRE WEATHER PLANNING FORECAST FOR WRN COLORADO AND ERN UTAH
NATIONAL WEATHER SERVICE GRAND JUNCTION CO
103 AM MDT MON SEP 21 2026
DISCUSSION
MONDAY MARKS THE DRIEST DAY OF THE UPCOMING WEEK WITH MINIMUM
RELATIVE HUMIDITIES GENERALLY AROUND 20-25% IN VALLEYS AND 30-40%
OVER THE HIGH TERRAIN. THIS COMBINED WITH RELATIVELY LIGHT WINDS
MEANS LITTLE TO NO THREAT OF CRITICAL FIRE WEATHER CONDITIONS.
LOOK FOR DAILY PRECIPITATION CHANCES BEGINNING TUESDAY AND LASTING
INTO THE WEEKEND.
...GUSTY ERRATIC WINDS CAN BE EXPECTED NEAR ANY SHOWERS
OR THUNDERSTORMS...
..THE SMOKE DATA IS CALCULATED FROM AN AVERAGE AT 6000 FEET MSL
COZ200-212315-
LITTLE SNAKE FORECAST AREA-
103 AM MDT MON SEP 21 2026
TODAY
SKY/WEATHER.........MOSTLY SUNNY (20-30%).
CHC OF LIGHTNING....0 PERCENT.
MAX TEMPERATURE.....65-75 F NEAR 6000 FEET
53-63 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.................0 PERCENT.
15K FT MSL WINDS....WEST 15 TO 20 MPH.
MIXING HEIGHT.......2500 FT AGL UNTIL 1200, THEN 7500 FT AGL.
TRANSPORT WINDS.....EAST 5 MPH UNTIL 1200, THEN SOUTHWEST.
SMOKE DISPERSAL.....POOR UNTIL 1200. GOOD AFTER 1500.
TONIGHT
SKY/WEATHER.........PARTLY CLOUDY (30-40%).
CHC OF LIGHTNING....0 PERCENT.
MIN TEMPERATURE.....41-51 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.
15K FT MSL WINDS....SOUTHWEST 20 TO 25 MPH.
MIXING HEIGHT.......5000 FT AGL UNTIL 1900, THEN 1000 FT AGL.
TRANSPORT WINDS.....SOUTH 5 MPH UNTIL 2400, THEN SOUTHEAST.
SMOKE DISPERSAL.....POOR.
TUESDAY
SKY/WEATHER.........PARTLY CLOUDY (30-40%). SCATTERED SHOWERS AND
ISOLATED THUNDERSTORMS AFTER 1200. ISOLATED
SHOWERS UNTIL 1200.
CHC OF LIGHTNING....10 PERCENT.
MAX TEMPERATURE.....63-73 F NEAR 6000 FEET
57-67 F NEAR 8000 FEET.
MIN HUMIDITY........25-35% NEAR 6000 FEET
32-42% 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 INCREASING TO 20 TO 30
MPH IN THE AFTERNOON.
MIXING HEIGHT.......2000 FT AGL UNTIL 1100, THEN 8500 FT AGL.
TRANSPORT WINDS.....SOUTHEAST 5 MPH UNTIL 1200, THEN SOUTHWEST 15
TO 20 MPH.
SMOKE DISPERSAL.....POOR UNTIL 0900. VERY GOOD AFTER 1200.
FORECAST FOR DAY 3 THROUGH 7
WEDNESDAY
PARTLY CLOUDY. SCATTERED SHOWERS AND ISOLATED
THUNDERSTORMS NEAR 6000 FEET AND NUMEROUS SHOWERS AND ISOLATED
THUNDERSTORMS NEAR 8000 FEET. LOWS 42-52. HIGHS 65-75. WINDS LESS
THAN 15 MPH.
THURSDAY
PARTLY CLOUDY. LOWS 43-53. HIGHS 67-77. WINDS LESS
THAN 15 MPH.
FRIDAY
PARTLY CLOUDY. ISOLATED SHOWERS AND THUNDERSTORMS NEAR
8000 FEET. LOWS 44-54. HIGHS 68-78. WINDS LESS THAN 15 MPH.
SATURDAY
MOSTLY CLEAR. ISOLATED SHOWERS AND THUNDERSTORMS.
LOWS 45-55. HIGHS 70-80.
SUNDAY
PARTLY CLOUDY. ISOLATED SHOWERS AND THUNDERSTORMS. LOWS
44-54. HIGHS 69-79.
COZ201-212315-
ROUTT FORECAST AREA-
103 AM MDT MON SEP 21 2026
TODAY
SKY/WEATHER.........MOSTLY SUNNY (20-30%) UNTIL 1200, THEN PARTLY
CLOUDY (30-40%).
CHC OF LIGHTNING....0 PERCENT.
MAX TEMPERATURE.....58-68 F.
MIN HUMIDITY........21-31%.
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 15 TO 20 MPH.
MIXING HEIGHT.......1000 FT AGL UNTIL 1000, THEN 7500 FT AGL.
TRANSPORT WINDS.....SOUTH 5 MPH UNTIL 1200, THEN WEST.
SMOKE DISPERSAL.....POOR UNTIL 0900. GOOD AFTER 1200.
TONIGHT
SKY/WEATHER.........PARTLY CLOUDY (40-50%).
CHC OF LIGHTNING....0 PERCENT.
MIN TEMPERATURE.....35-45 F.
MAX HUMIDITY........56-71%.
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 20 TO 25 MPH.
MIXING HEIGHT.......4000 FT AGL UNTIL 1900, THEN 1000 FT AGL.
TRANSPORT WINDS.....SOUTHEAST 5 MPH.
SMOKE DISPERSAL.....POOR.
TUESDAY
SKY/WEATHER.........MOSTLY SUNNY (20-30%) UNTIL 1200, THEN PARTLY
CLOUDY (40-50%). ISOLATED SHOWERS AND
THUNDERSTORMS AFTER 1200.
CHC OF LIGHTNING....20 PERCENT.
MAX TEMPERATURE.....58-68 F.
MIN HUMIDITY........27-37%.
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.......500 FT AGL UNTIL 0900. 8000 FT AGL AFTER 1000.
TRANSPORT WINDS.....SOUTHWEST 5 TO 10 MPH.
SMOKE DISPERSAL.....POOR UNTIL 0900. VERY GOOD AFTER 1200.
FORECAST FOR DAY 3 THROUGH 7
WEDNESDAY
MOSTLY CLOUDY. NUMEROUS SHOWERS AND ISOLATED
THUNDERSTORMS. LOWS 39-49. HIGHS 57-67. WINDS LESS THAN 15 MPH.
THURSDAY
PARTLY CLOUDY. ISOLATED SHOWERS AND THUNDERSTORMS.
LOWS 39-49. HIGHS 60-70. WINDS LESS THAN 15 MPH.
FRIDAY
PARTLY CLOUDY. SCATTERED SHOWERS AND THUNDERSTORMS.
LOWS 40-50. HIGHS 59-69. WINDS LESS THAN 15 MPH.
SATURDAY
PARTLY CLOUDY. ISOLATED SHOWERS AND THUNDERSTORMS.
LOWS 40-50. HIGHS 62-72.
SUNDAY
PARTLY CLOUDY. SCATTERED SHOWERS AND ISOLATED
THUNDERSTORMS. LOWS 40-50. HIGHS 59-69.
COZ202-212315-
WHITE RIVER FORECAST AREA-
103 AM MDT MON SEP 21 2026
TODAY
SKY/WEATHER.........MOSTLY SUNNY (20-30%) UNTIL 1200, THEN PARTLY
CLOUDY (30-40%).
CHC OF LIGHTNING....0 PERCENT.
MAX TEMPERATURE.....65-75 F NEAR 6000 FEET
58-68 F NEAR 8000 FEET.
MIN HUMIDITY........19-29%.
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 15 TO 20 MPH.
MIXING HEIGHT.......2500 FT AGL UNTIL 1200, THEN 7000 FT AGL.
TRANSPORT WINDS.....SOUTHEAST 5 MPH UNTIL 1200, THEN WEST.
SMOKE DISPERSAL.....POOR UNTIL 1200. FAIR AFTER 1500.
TONIGHT
SKY/WEATHER.........PARTLY CLOUDY (40-50%).
CHC OF LIGHTNING....0 PERCENT.
MIN TEMPERATURE.....40-50 F.
MAX HUMIDITY........53-63% NEAR 6000 FEET
47-57% NEAR 8000 FEET.
20-FOOT WINDS.......UPSLOPE/UPVALLEY 4 TO 8 MPH BECOMING
DOWNSLOPE/DOWNVALLEY 3 TO 6 MPH BY SUNSET.
CWR.................0 PERCENT.
15K FT MSL WINDS....SOUTHWEST 20 TO 25 MPH.
MIXING HEIGHT.......4500 FT AGL UNTIL 1900, THEN 1000 FT AGL.
TRANSPORT WINDS.....EAST 5 MPH.
SMOKE DISPERSAL.....POOR.
TUESDAY
SKY/WEATHER.........NEAR 6000 FEET, PARTLY CLOUDY (30-40%),
ISOLATED SHOWERS UNTIL 1200, SCATTERED SHOWERS
AND ISOLATED THUNDERSTORMS AFTER 1200. NEAR
8000 FEET, MOSTLY SUNNY (20-30%) UNTIL 1200,
THEN PARTLY CLOUDY (50-60%), ISOLATED SHOWERS
AND THUNDERSTORMS AFTER 1200.
CHC OF LIGHTNING....20 PERCENT.
MAX TEMPERATURE.....65-75 F NEAR 6000 FEET
57-67 F NEAR 8000 FEET.
MIN HUMIDITY........26-36%.
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 INCREASING TO 20 TO 30
MPH IN THE AFTERNOON.
MIXING HEIGHT.......1000 FT AGL UNTIL 1000. 8500 FT AGL AFTER 1100.
TRANSPORT WINDS.....SOUTHEAST 5 TO 10 MPH UNTIL 1200, THEN
SOUTHWEST 15 TO 20 MPH.
SMOKE DISPERSAL.....POOR UNTIL 0900. VERY GOOD AFTER 1200.
FORECAST FOR DAY 3 THROUGH 7
WEDNESDAY
PARTLY CLOUDY NEAR 6000 FEET AND MOSTLY CLOUDY NEAR
8000 FEET AND NUMEROUS SHOWERS AND SCATTERED THUNDERSTORMS NEAR
6000 FEET AND NUMEROUS SHOWERS AND SCATTERED THUNDERSTORMS NEAR
8000 FEET. LOWS 44-54. HIGHS 65-75. WINDS LESS THAN 15 MPH.
THURSDAY
PARTLY CLOUDY. ISOLATED SHOWERS AND THUNDERSTORMS
NEAR 8000 FEET. LOWS 44-54. HIGHS 67-77. WINDS LESS THAN 15 MPH.
FRIDAY
PARTLY CLOUDY. ISOLATED SHOWERS AND THUNDERSTORMS NEAR
6000 FEET AND SCATTERED SHOWERS AND THUNDERSTORMS NEAR 8000 FEET.
LOWS 45-55. HIGHS 68-78. WINDS LESS THAN 15 MPH.
SATURDAY
PARTLY CLOUDY. ISOLATED SHOWERS AND THUNDERSTORMS.
LOWS 46-56. HIGHS 70-80.
SUNDAY
PARTLY CLOUDY. ISOLATED SHOWERS AND THUNDERSTORMS. LOWS
46-56. HIGHS 69-79.
COZ203-212315-
LOWER COLORADO RIVER-
103 AM MDT MON SEP 21 2026
TODAY
SKY/WEATHER.........MOSTLY SUNNY (20-30%) UNTIL 1200, THEN PARTLY
CLOUDY (30-40%).
CHC OF LIGHTNING....0 PERCENT.
MAX TEMPERATURE.....68-78 F NEAR 6000 FEET
62-72 F NEAR 8000 FEET.
MIN HUMIDITY........15-25%.
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 15 TO 20 MPH.
MIXING HEIGHT.......1500 FT AGL UNTIL 1100, THEN 8000 FT AGL.
TRANSPORT WINDS.....EAST 5 MPH UNTIL 1200, THEN SOUTHWEST.
SMOKE DISPERSAL.....POOR UNTIL 1200. FAIR AFTER 1500.
TONIGHT
SKY/WEATHER.........PARTLY CLOUDY (40-50%). ISOLATED SHOWERS AFTER
2400.
CHC OF LIGHTNING....0 PERCENT.
MIN TEMPERATURE.....46-56 F NEAR 6000 FEET
40-50 F NEAR 8000 FEET.
MAX HUMIDITY........44-54%.
20-FOOT WINDS.......UPSLOPE/UPVALLEY 4 TO 8 MPH BECOMING
DOWNSLOPE/DOWNVALLEY 3 TO 6 MPH BY SUNSET.
CWR.................10 PERCENT.
15K FT MSL WINDS....SOUTHWEST 15 TO 20 MPH.
MIXING HEIGHT.......5500 FT AGL UNTIL 1900, THEN 1000 FT AGL.
TRANSPORT WINDS.....EAST 5 MPH.
SMOKE DISPERSAL.....POOR.
TUESDAY
SKY/WEATHER.........PARTLY CLOUDY (40-50%). SCATTERED SHOWERS.
ISOLATED THUNDERSTORMS AFTER 1200.
CHC OF LIGHTNING....20 PERCENT.
MAX TEMPERATURE.....66-76 F NEAR 6000 FEET
60-70 F NEAR 8000 FEET.
MIN HUMIDITY........25-35%.
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 20 TO 30 MPH.
MIXING HEIGHT.......2000 FT AGL UNTIL 1100, THEN 8000 FT AGL.
TRANSPORT WINDS.....SOUTHEAST 5 TO 10 MPH UNTIL 1200, THEN
SOUTHWEST.
SMOKE DISPERSAL.....POOR UNTIL 0900. GOOD AFTER 1200.
FORECAST FOR DAY 3 THROUGH 7
WEDNESDAY
MOSTLY CLOUDY. NUMEROUS SHOWERS AND SCATTERED
THUNDERSTORMS. LOWS 48-58. HIGHS 66-76. WINDS LESS THAN 15 MPH.
THURSDAY
PARTLY CLOUDY. ISOLATED SHOWERS AND THUNDERSTORMS.
LOWS 48-58. HIGHS 68-78. WINDS LESS THAN 15 MPH.
FRIDAY
PARTLY CLOUDY. SCATTERED SHOWERS AND THUNDERSTORMS.
LOWS 49-59. HIGHS 67-77. WINDS LESS THAN 15 MPH.
SATURDAY
PARTLY CLOUDY. ISOLATED SHOWERS AND THUNDERSTORMS.
LOWS 49-59. HIGHS 71-81.
SUNDAY
PARTLY CLOUDY. ISOLATED SHOWERS AND THUNDERSTORMS. LOWS
49-59. HIGHS 68-78.
COZ205-212315-
COLORADO RIVER HEADWATERS-
103 AM MDT MON SEP 21 2026
TODAY
SKY/WEATHER.........MOSTLY SUNNY (10-20%) UNTIL 1200, THEN PARTLY
CLOUDY (30-40%).
CHC OF LIGHTNING....0 PERCENT.
MAX TEMPERATURE.....62-72 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.
15K FT MSL WINDS....WEST 15 TO 20 MPH.
MIXING HEIGHT.......1000 FT AGL UNTIL 1000, THEN 7500 FT AGL.
TRANSPORT WINDS.....SOUTH 5 MPH UNTIL 1200, THEN WEST.
SMOKE DISPERSAL.....POOR UNTIL 0900. GOOD AFTER 1200.
TONIGHT
SKY/WEATHER.........PARTLY CLOUDY (30-40%).
CHC OF LIGHTNING....0 PERCENT.
MIN TEMPERATURE.....38-48 F.
MAX HUMIDITY........57-67%.
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 15 TO 20 MPH.
MIXING HEIGHT.......4500 FT AGL UNTIL 1900, THEN 1000 FT AGL.
TRANSPORT WINDS.....SOUTHWEST 5 MPH UNTIL 2400, THEN SOUTHEAST.
SMOKE DISPERSAL.....POOR.
TUESDAY
SKY/WEATHER.........MOSTLY SUNNY (20-30%) UNTIL 1200, THEN PARTLY
CLOUDY (40-50%). SCATTERED SHOWERS AND ISOLATED
THUNDERSTORMS AFTER 1200.
CHC OF LIGHTNING....20 PERCENT.
MAX TEMPERATURE.....62-72 F.
MIN HUMIDITY........26-36%.
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 7000 FT AGL.
TRANSPORT WINDS.....SOUTHWEST 5 TO 10 MPH.
SMOKE DISPERSAL.....POOR UNTIL 1200, THEN VERY GOOD UNTIL 1500,
THEN GOOD.
FORECAST FOR DAY 3 THROUGH 7
WEDNESDAY
MOSTLY CLOUDY. SCATTERED SHOWERS AND ISOLATED
THUNDERSTORMS. LOWS 40-50. HIGHS 58-68. WINDS LESS THAN 15 MPH.
THURSDAY
PARTLY CLOUDY. SCATTERED SHOWERS AND THUNDERSTORMS.
LOWS 40-50. HIGHS 59-69. WINDS LESS THAN 15 MPH.
FRIDAY
PARTLY CLOUDY. SCATTERED SHOWERS AND THUNDERSTORMS.
LOWS 40-50. HIGHS 58-68. WINDS LESS THAN 15 MPH.
SATURDAY
PARTLY CLOUDY. ISOLATED SHOWERS AND THUNDERSTORMS.
LOWS 40-50. HIGHS 62-72.
SUNDAY
PARTLY CLOUDY. SCATTERED SHOWERS AND ISOLATED
THUNDERSTORMS. LOWS 40-50. HIGHS 59-69.
COZ290-212315-
PARADOX VALLEY FORECAST AREA-
103 AM MDT MON SEP 21 2026
TODAY
SKY/WEATHER.........PARTLY CLOUDY (40-50%).
CHC OF LIGHTNING....0 PERCENT.
MAX TEMPERATURE.....67-77 F NEAR 6000 FEET
61-71 F NEAR 8000 FEET.
MIN HUMIDITY........12-22%.
20-FOOT WINDS.......DOWNSLOPE/DOWNVALLEY 3 TO 6 MPH BECOMING
UPSLOPE/UPVALLEY 4 TO 8 MPH BY 1100.
CWR.................0 PERCENT.
15K FT MSL WINDS....SOUTHWEST 10 TO 15 MPH.
MIXING HEIGHT.......1500 FT AGL UNTIL 1100, THEN 9500 FT AGL.
TRANSPORT WINDS.....SOUTHEAST 5 MPH UNTIL 1200, THEN SOUTHWEST.
SMOKE DISPERSAL.....POOR UNTIL 1200, THEN FAIR.
TONIGHT
SKY/WEATHER.........PARTLY CLOUDY (30-40%). ISOLATED SHOWERS AFTER
2400.
CHC OF LIGHTNING....0 PERCENT.
MIN TEMPERATURE.....44-54 F NEAR 6000 FEET
39-49 F NEAR 8000 FEET.
MAX HUMIDITY........46-56% NEAR 6000 FEET
57-72% NEAR 8000 FEET.
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....SOUTH 15 TO 20 MPH INCREASING TO SOUTHWEST 20
TO 25 MPH AFTER MIDNIGHT.
MIXING HEIGHT.......7500 FT AGL UNTIL 1900. 500 FT AGL AFTER 2000.
TRANSPORT WINDS.....SOUTHEAST 5 MPH.
SMOKE DISPERSAL.....POOR.
TUESDAY
SKY/WEATHER.........PARTLY CLOUDY (30-40%) UNTIL 1200, THEN MOSTLY
CLOUDY (60-70%). NEAR 6000 FEET, SCATTERED
SHOWERS UNTIL 1200. NEAR 8000 FEET, ISOLATED
SHOWERS UNTIL 1200. NUMEROUS SHOWERS AND
SCATTERED THUNDERSTORMS AFTER 1200.
CHC OF LIGHTNING....50 PERCENT.
MAX TEMPERATURE.....65-75 F NEAR 6000 FEET
59-69 F NEAR 8000 FEET.
MIN HUMIDITY........26-36% NEAR 6000 FEET
32-42% NEAR 8000 FEET.
20-FOOT WINDS.......UPSLOPE/UPVALLEY WINDS 4 TO 8 MPH. LOCALIZED
GUSTS UP TO 25 MPH IN THE AFTERNOON.
CWR.................20 PERCENT.
15K FT MSL WINDS....SOUTHWEST 20 TO 30 MPH.
MIXING HEIGHT.......1000 FT AGL UNTIL 1000. 9000 FT AGL AFTER 1100.
TRANSPORT WINDS.....SOUTH 5 TO 10 MPH.
SMOKE DISPERSAL.....POOR UNTIL 0900. VERY GOOD AFTER 1200.
FORECAST FOR DAY 3 THROUGH 7
WEDNESDAY
MOSTLY CLOUDY. NUMEROUS SHOWERS AND SCATTERED
THUNDERSTORMS NEAR 6000 FEET AND NUMEROUS SHOWERS AND SCATTERED
THUNDERSTORMS NEAR 8000 FEET. LOWS 50-60. HIGHS 66-76. WINDS LESS
THAN 15 MPH.
THURSDAY
PARTLY CLOUDY NEAR 6000 FEET AND MOSTLY CLOUDY NEAR
8000 FEET AND SCATTERED SHOWERS AND THUNDERSTORMS NEAR 6000 FEET
AND NUMEROUS SHOWERS AND SCATTERED THUNDERSTORMS NEAR 8000 FEET.
LOWS 49-59. HIGHS 67-77. WINDS LESS THAN 15 MPH.
FRIDAY
PARTLY CLOUDY NEAR 6000 FEET AND MOSTLY CLOUDY NEAR
8000 FEET. SCATTERED SHOWERS AND THUNDERSTORMS. LOWS 49-59. HIGHS
65-75. WINDS LESS THAN 15 MPH.
SATURDAY
PARTLY CLOUDY. ISOLATED SHOWERS AND THUNDERSTORMS.
LOWS 49-59. HIGHS 70-80.
SUNDAY
PARTLY CLOUDY. ISOLATED SHOWERS AND THUNDERSTORMS. LOWS
50-60. HIGHS 67-77.
COZ291-212315-
NORTHERN SAN JUAN FORECAST AREA-
103 AM MDT MON SEP 21 2026
TODAY
SKY/WEATHER.........MOSTLY SUNNY (20-30%) UNTIL 1200, THEN PARTLY
CLOUDY (50-60%).
CHC OF LIGHTNING....0 PERCENT.
MAX TEMPERATURE.....60-70 F.
MIN HUMIDITY........16-26%.
20-FOOT WINDS.......DOWNSLOPE/DOWNVALLEY 3 TO 6 MPH BECOMING
UPSLOPE/UPVALLEY 4 TO 8 MPH BY 1100.
CWR.................0 PERCENT.
15K FT MSL WINDS....SOUTHWEST 10 TO 15 MPH.
MIXING HEIGHT.......1000 FT AGL UNTIL 1000, THEN 8500 FT AGL.
TRANSPORT WINDS.....SOUTHWEST 5 MPH.
SMOKE DISPERSAL.....POOR UNTIL 0900. GOOD AFTER 1200.
TONIGHT
SKY/WEATHER.........PARTLY CLOUDY (30-40%).
CHC OF LIGHTNING....0 PERCENT.
MIN TEMPERATURE.....38-48 F.
MAX HUMIDITY........58-73%.
20-FOOT WINDS.......DOWNSLOPE/DOWNVALLEY WINDS 3 TO 6 MPH.
LOCALIZED GUSTS UP TO 20 MPH AFTER MIDNIGHT.
CWR.................0 PERCENT.
15K FT MSL WINDS....SOUTH 15 TO 20 MPH INCREASING TO SOUTHWEST 20
TO 25 MPH AFTER MIDNIGHT.
MIXING HEIGHT.......5000 FT AGL UNTIL 1900, THEN 1000 FT AGL.
TRANSPORT WINDS.....SOUTH 5 TO 10 MPH.
SMOKE DISPERSAL.....POOR.
TUESDAY
SKY/WEATHER.........MOSTLY SUNNY (20-30%) UNTIL 1200, THEN MOSTLY
CLOUDY (70-80%). SCATTERED SHOWERS UNTIL 1200,
THEN NUMEROUS SHOWERS AND SCATTERED
THUNDERSTORMS.
CHC OF LIGHTNING....50 PERCENT.
MAX TEMPERATURE.....58-68 F.
MIN HUMIDITY........32-42%.
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 20 TO 25 MPH DECREASING TO 15 TO 20
MPH IN THE AFTERNOON.
MIXING HEIGHT.......1000 FT AGL UNTIL 0900. 7500 FT AGL AFTER 1000.
TRANSPORT WINDS.....SOUTH 10 TO 15 MPH.
SMOKE DISPERSAL.....POOR UNTIL 0900. GOOD AFTER 1200.
FORECAST FOR DAY 3 THROUGH 7
WEDNESDAY
MOSTLY CLOUDY. SCATTERED SHOWERS AND THUNDERSTORMS.
LOWS 41-51. HIGHS 58-68. WINDS LESS THAN 15 MPH.
THURSDAY
MOSTLY CLOUDY. NUMEROUS SHOWERS AND SCATTERED
THUNDERSTORMS. LOWS 41-51. HIGHS 59-69. WINDS LESS THAN 15 MPH.
FRIDAY
MOSTLY CLOUDY. SCATTERED SHOWERS AND THUNDERSTORMS.
LOWS 41-51. HIGHS 58-68. WINDS LESS THAN 15 MPH.
SATURDAY
PARTLY CLOUDY. ISOLATED SHOWERS AND THUNDERSTORMS.
LOWS 39-49. HIGHS 63-73.
SUNDAY
PARTLY CLOUDY. SCATTERED SHOWERS AND ISOLATED
THUNDERSTORMS. LOWS 41-51. HIGHS 60-70.
COZ292-212315-
NORTH FORK FORECAST AREA-
103 AM MDT MON SEP 21 2026
TODAY
SKY/WEATHER.........MOSTLY SUNNY (20-30%) UNTIL 1200, THEN PARTLY
CLOUDY (40-50%).
CHC OF LIGHTNING....0 PERCENT.
MAX TEMPERATURE.....69-79 F NEAR 6000 FEET
61-71 F NEAR 8000 FEET.
MIN HUMIDITY........16-26%.
20-FOOT WINDS.......DOWNSLOPE/DOWNVALLEY 3 TO 6 MPH BECOMING
UPSLOPE/UPVALLEY 4 TO 8 MPH BY 1100.
CWR.................0 PERCENT.
15K FT MSL WINDS....WEST 10 TO 15 MPH.
MIXING HEIGHT.......2000 FT AGL UNTIL 1100, THEN 7500 FT AGL.
TRANSPORT WINDS.....SOUTHEAST 5 MPH UNTIL 1200, THEN SOUTHWEST.
SMOKE DISPERSAL.....POOR UNTIL 1200. FAIR AFTER 1500.
TONIGHT
SKY/WEATHER.........PARTLY CLOUDY (30-40%).
CHC OF LIGHTNING....0 PERCENT.
MIN TEMPERATURE.....39-49 F NEAR 6000 FEET
37-47 F NEAR 8000 FEET.
MAX HUMIDITY........47-57% NEAR 6000 FEET
55-65% NEAR 8000 FEET.
20-FOOT WINDS.......UPSLOPE/UPVALLEY 4 TO 8 MPH BECOMING
DOWNSLOPE/DOWNVALLEY 3 TO 6 MPH BY SUNSET.
CWR.................0 PERCENT.
15K FT MSL WINDS....SOUTHWEST 20 TO 25 MPH.
MIXING HEIGHT.......4500 FT AGL UNTIL 1900, THEN 1000 FT AGL.
TRANSPORT WINDS.....EAST 5 MPH.
SMOKE DISPERSAL.....POOR.
TUESDAY
SKY/WEATHER.........NEAR 6000 FEET, MOSTLY SUNNY (20-30%) UNTIL
1200, SCATTERED SHOWERS AND THUNDERSTORMS AFTER
1200. MOSTLY CLOUDY (60-70%) AFTER 1200. NEAR
8000 FEET, PARTLY CLOUDY (30-40%) UNTIL 1200,
ISOLATED SHOWERS UNTIL 1200, THEN NUMEROUS
SHOWERS AND SCATTERED THUNDERSTORMS.
CHC OF LIGHTNING....50 PERCENT.
MAX TEMPERATURE.....68-78 F NEAR 6000 FEET
60-70 F NEAR 8000 FEET.
MIN HUMIDITY........26-36%.
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 20 TO 25 MPH.
MIXING HEIGHT.......1000 FT AGL UNTIL 1000, THEN 3000 FT AGL UNTIL
1100, THEN 6000 FT AGL UNTIL 1700, THEN 3500 FT
AGL.
TRANSPORT WINDS.....SOUTHEAST 5 MPH UNTIL 1200, THEN SOUTHWEST.
SMOKE DISPERSAL.....POOR UNTIL 1200, THEN FAIR UNTIL 1500, THEN
POOR.
FORECAST FOR DAY 3 THROUGH 7
WEDNESDAY
MOSTLY CLOUDY. NUMEROUS SHOWERS AND ISOLATED
THUNDERSTORMS NEAR 6000 FEET AND SCATTERED SHOWERS AND ISOLATED
THUNDERSTORMS NEAR 8000 FEET. LOWS 47-57. HIGHS 66-76. WINDS LESS
THAN 15 MPH.
THURSDAY
PARTLY CLOUDY NEAR 6000 FEET AND MOSTLY CLOUDY NEAR
8000 FEET AND SCATTERED SHOWERS AND THUNDERSTORMS. LOWS 47-57.
HIGHS 67-77. WINDS LESS THAN 15 MPH.
FRIDAY
PARTLY CLOUDY NEAR 6000 FEET AND MOSTLY CLOUDY NEAR
8000 FEET AND SCATTERED SHOWERS AND THUNDERSTORMS. LOWS 47-57.
HIGHS 66-76. WINDS LESS THAN 15 MPH.
SATURDAY
PARTLY CLOUDY. ISOLATED SHOWERS AND THUNDERSTORMS.
LOWS 47-57. HIGHS 71-81.
SUNDAY
PARTLY CLOUDY. ISOLATED SHOWERS AND THUNDERSTORMS NEAR
6000 FEET AND SCATTERED SHOWERS AND ISOLATED THUNDERSTORMS NEAR
8000 FEET. LOWS 47-57. HIGHS 68-78.
COZ293-212315-
GUNNISON BASIN FORECAST AREA-
103 AM MDT MON SEP 21 2026
TODAY
SKY/WEATHER.........MOSTLY SUNNY (20-30%) UNTIL 1200, THEN PARTLY
CLOUDY (40-50%).
CHC OF LIGHTNING....0 PERCENT.
MAX TEMPERATURE.....63-73 F.
MIN HUMIDITY........16-26%.
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 15 TO 20 MPH DECREASING TO 10 TO 15 MPH IN
THE AFTERNOON.
MIXING HEIGHT.......1000 FT AGL UNTIL 1000, THEN 7500 FT AGL.
TRANSPORT WINDS.....SOUTHEAST 5 MPH UNTIL 1200, THEN WEST.
SMOKE DISPERSAL.....POOR UNTIL 1200, THEN FAIR.
TONIGHT
SKY/WEATHER.........PARTLY CLOUDY (30-40%).
CHC OF LIGHTNING....0 PERCENT.
MIN TEMPERATURE.....37-47 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.
15K FT MSL WINDS....SOUTHWEST 10 TO 15 MPH INCREASING TO 15 TO 20
MPH AFTER MIDNIGHT.
MIXING HEIGHT.......4500 FT AGL UNTIL 1900, THEN 1000 FT AGL.
TRANSPORT WINDS.....NORTHWEST 5 MPH UNTIL 2400, THEN SOUTHEAST.
SMOKE DISPERSAL.....POOR.
TUESDAY
SKY/WEATHER.........PARTLY CLOUDY (40-50%) UNTIL 1200, THEN MOSTLY
CLOUDY (70-80%). ISOLATED SHOWERS UNTIL 1200,
THEN SCATTERED SHOWERS AND THUNDERSTORMS.
CHC OF LIGHTNING....50 PERCENT.
MAX TEMPERATURE.....61-71 F.
MIN HUMIDITY........28-38%.
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 20 TO 25 MPH DECREASING TO 15 TO 20
MPH IN THE AFTERNOON.
MIXING HEIGHT.......1500 FT AGL UNTIL 1000, THEN 6000 FT AGL.
TRANSPORT WINDS.....SOUTHEAST 5 MPH UNTIL 1200, THEN SOUTHWEST.
SMOKE DISPERSAL.....POOR UNTIL 1200, THEN GOOD UNTIL 1500, THEN
POOR.
FORECAST FOR DAY 3 THROUGH 7
WEDNESDAY
MOSTLY CLOUDY. SCATTERED SHOWERS AND ISOLATED
THUNDERSTORMS. LOWS 40-50. HIGHS 59-69. WINDS LESS THAN 15 MPH.
THURSDAY
MOSTLY CLOUDY. SCATTERED SHOWERS AND THUNDERSTORMS.
LOWS 40-50. HIGHS 59-69. WINDS LESS THAN 15 MPH.
FRIDAY
MOSTLY CLOUDY. SCATTERED SHOWERS AND THUNDERSTORMS.
LOWS 39-49. HIGHS 58-68. WINDS LESS THAN 15 MPH.
SATURDAY
PARTLY CLOUDY. ISOLATED SHOWERS AND THUNDERSTORMS.
LOWS 38-48. HIGHS 63-73.
SUNDAY
PARTLY CLOUDY. SCATTERED SHOWERS AND ISOLATED
THUNDERSTORMS. LOWS 39-49. HIGHS 60-70.
COZ207-212315-
SOUTHWEST COLORADO LOWER FORECAST AREA-
103 AM MDT MON SEP 21 2026
TODAY
SKY/WEATHER.........PARTLY CLOUDY (40-50%) UNTIL 1200, THEN MOSTLY
CLOUDY (60-70%).
CHC OF LIGHTNING....0 PERCENT.
MAX TEMPERATURE.....72-82 F.
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....SOUTHWEST 10 TO 15 MPH.
MIXING HEIGHT.......1500 FT AGL UNTIL 1100, THEN 9500 FT AGL.
TRANSPORT WINDS.....SOUTHEAST 5 MPH UNTIL 1200, THEN SOUTH.
SMOKE DISPERSAL.....POOR UNTIL 1200, THEN FAIR.
TONIGHT
SKY/WEATHER.........PARTLY CLOUDY (30-40%).
CHC OF LIGHTNING....0 PERCENT.
MIN TEMPERATURE.....47-57 F.
MAX HUMIDITY........57-67%.
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....SOUTH 15 TO 20 MPH INCREASING TO SOUTHWEST 20
TO 25 MPH AFTER MIDNIGHT.
MIXING HEIGHT.......7000 FT AGL UNTIL 1900, THEN 1000 FT AGL.
TRANSPORT WINDS.....SOUTHEAST 5 TO 10 MPH.
SMOKE DISPERSAL.....POOR.
TUESDAY
SKY/WEATHER.........PARTLY CLOUDY (40-50%) UNTIL 1200, THEN MOSTLY
CLOUDY (70-80%). ISOLATED SHOWERS UNTIL 1200,
THEN SCATTERED SHOWERS AND THUNDERSTORMS.
CHC OF LIGHTNING....50 PERCENT.
MAX TEMPERATURE.....71-81 F.
MIN HUMIDITY........25-35%.
20-FOOT WINDS.......DOWNSLOPE/DOWNVALLEY WINDS 4 TO 8 MPH BECOMING
SOUTH 10 TO 15 MPH IN THE AFTERNOON. LOCALIZED
GUSTS UP TO 30 MPH.
CWR.................20 PERCENT.
15K FT MSL WINDS....SOUTHWEST 20 TO 25 MPH.
MIXING HEIGHT.......2500 FT AGL UNTIL 1100, THEN 8000 FT AGL.
TRANSPORT WINDS.....SOUTHEAST 10 TO 15 MPH.
SMOKE DISPERSAL.....POOR UNTIL 1200, THEN VERY GOOD UNTIL 1500,
THEN GOOD.
FORECAST FOR DAY 3 THROUGH 7
WEDNESDAY
MOSTLY CLOUDY. NUMEROUS SHOWERS AND SCATTERED
THUNDERSTORMS. LOWS 48-58. HIGHS 67-77. SOUTH WINDS 10 TO 20 MPH
WITH GUSTS TO 35 MPH.
THURSDAY
PARTLY CLOUDY. SCATTERED SHOWERS AND THUNDERSTORMS.
LOWS 46-56. HIGHS 67-77. WINDS LESS THAN 15 MPH.
FRIDAY
MOSTLY CLOUDY. SCATTERED SHOWERS AND THUNDERSTORMS.
LOWS 46-56. HIGHS 67-77. WINDS LESS THAN 15 MPH.
SATURDAY
MOSTLY CLEAR. ISOLATED SHOWERS AND THUNDERSTORMS.
LOWS 45-55. HIGHS 71-81.
SUNDAY
PARTLY CLOUDY. ISOLATED SHOWERS AND THUNDERSTORMS. LOWS
47-57. HIGHS 69-79.
COZ294-212315-
SOUTHWEST COLORADO UPPER WEST FORECAST AREA-
103 AM MDT MON SEP 21 2026
TODAY
SKY/WEATHER.........PARTLY CLOUDY (40-50%).
CHC OF LIGHTNING....0 PERCENT.
MAX TEMPERATURE.....60-70 F.
MIN HUMIDITY........16-26%.
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 5 TO 10 MPH.
MIXING HEIGHT.......1000 FT AGL UNTIL 1000, THEN 8500 FT AGL.
TRANSPORT WINDS.....SOUTH 5 MPH.
SMOKE DISPERSAL.....POOR UNTIL 0900. GOOD AFTER 1200.
TONIGHT
SKY/WEATHER.........PARTLY CLOUDY (30-40%).
CHC OF LIGHTNING....0 PERCENT.
MIN TEMPERATURE.....40-50 F.
MAX HUMIDITY........58-73%.
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....SOUTH 15 TO 20 MPH INCREASING TO SOUTHWEST 20
TO 25 MPH AFTER MIDNIGHT.
MIXING HEIGHT.......5500 FT AGL UNTIL 1900, THEN 1000 FT AGL.
TRANSPORT WINDS.....SOUTHEAST 5 TO 10 MPH.
SMOKE DISPERSAL.....POOR.
TUESDAY
SKY/WEATHER.........PARTLY CLOUDY (30-40%) UNTIL 1200, THEN MOSTLY
CLOUDY (70-80%). SCATTERED SHOWERS. SCATTERED
THUNDERSTORMS AFTER 1200.
CHC OF LIGHTNING....50 PERCENT.
MAX TEMPERATURE.....58-68 F.
MIN HUMIDITY........33-43%.
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....SOUTH 20 TO 25 MPH DECREASING TO 15 TO 20 MPH
IN THE AFTERNOON.
MIXING HEIGHT.......2000 FT AGL UNTIL 1000, THEN 6500 FT AGL.
TRANSPORT WINDS.....SOUTH 10 TO 15 MPH.
SMOKE DISPERSAL.....POOR UNTIL 0900, THEN FAIR UNTIL 1200, THEN
VERY GOOD UNTIL 1500, THEN GOOD.
FORECAST FOR DAY 3 THROUGH 7
WEDNESDAY
MOSTLY CLOUDY. NUMEROUS SHOWERS AND SCATTERED
THUNDERSTORMS. LOWS 41-51. HIGHS 57-67. WINDS LESS THAN 15 MPH.
THURSDAY
MOSTLY CLOUDY. NUMEROUS SHOWERS AND SCATTERED
THUNDERSTORMS. LOWS 39-49. HIGHS 57-67. WINDS LESS THAN 15 MPH.
FRIDAY
MOSTLY CLOUDY. SCATTERED SHOWERS AND THUNDERSTORMS.
LOWS 40-50. HIGHS 57-67. WINDS LESS THAN 15 MPH.
SATURDAY
PARTLY CLOUDY. ISOLATED SHOWERS AND THUNDERSTORMS.
LOWS 39-49. HIGHS 62-72.
SUNDAY
PARTLY CLOUDY. SCATTERED SHOWERS AND ISOLATED
THUNDERSTORMS. LOWS 40-50. HIGHS 59-69.
COZ295-212315-
SOUTHWEST COLORADO UPPER EAST FORECAST AREA-
103 AM MDT MON SEP 21 2026
TODAY
SKY/WEATHER.........MOSTLY SUNNY (20-30%) UNTIL 1200, THEN MOSTLY
CLOUDY (60-70%).
CHC OF LIGHTNING....0 PERCENT.
MAX TEMPERATURE.....63-73 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.
15K FT MSL WINDS....WEST 5 TO 10 MPH.
MIXING HEIGHT.......1000 FT AGL UNTIL 1000, THEN 7500 FT AGL.
TRANSPORT WINDS.....NORTH 5 MPH UNTIL 1200, THEN SOUTHWEST.
SMOKE DISPERSAL.....POOR UNTIL 0900. FAIR AFTER 1200.
TONIGHT
SKY/WEATHER.........PARTLY CLOUDY (40-50%). ISOLATED SHOWERS AFTER
2400.
CHC OF LIGHTNING....0 PERCENT.
MIN TEMPERATURE.....37-47 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....SOUTHWEST 10 TO 15 MPH INCREASING TO 15 TO 20
MPH AFTER MIDNIGHT.
MIXING HEIGHT.......3000 FT AGL UNTIL 2000, THEN 500 FT AGL.
TRANSPORT WINDS.....NORTH 5 MPH UNTIL 2400, THEN EAST.
SMOKE DISPERSAL.....POOR.
TUESDAY
SKY/WEATHER.........PARTLY CLOUDY (50-60%) UNTIL 1200, THEN CLOUDY
(80-90%). SCATTERED SHOWERS AND ISOLATED
THUNDERSTORMS UNTIL 1200, THEN SHOWERS AND
SCATTERED THUNDERSTORMS.
CHC OF LIGHTNING....50 PERCENT.
MAX TEMPERATURE.....59-69 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 20 TO 25 MPH DECREASING TO 15 TO 20
MPH IN THE AFTERNOON.
MIXING HEIGHT.......500 FT AGL UNTIL 0900. 6500 FT AGL AFTER 1100.
TRANSPORT WINDS.....SOUTHEAST 5 MPH UNTIL 1200, THEN SOUTH.
SMOKE DISPERSAL.....POOR UNTIL 1200, THEN GOOD UNTIL 1500, THEN
FAIR.
FORECAST FOR DAY 3 THROUGH 7
WEDNESDAY
SHOWERS AND SCATTERED THUNDERSTORMS. LOWS 41-51.
HIGHS 56-66. WINDS LESS THAN 15 MPH.
THURSDAY
MOSTLY CLOUDY. SCATTERED SHOWERS AND THUNDERSTORMS.
LOWS 40-50. HIGHS 58-68. WINDS LESS THAN 15 MPH.
FRIDAY
NUMEROUS SHOWERS AND SCATTERED THUNDERSTORMS. LOWS
40-50. HIGHS 57-67. WINDS LESS THAN 15 MPH.
SATURDAY
PARTLY CLOUDY. SCATTERED SHOWERS AND ISOLATED
THUNDERSTORMS. LOWS 38-48. HIGHS 62-72.
SUNDAY
PARTLY CLOUDY. SCATTERED SHOWERS AND THUNDERSTORMS.
LOWS 39-49. HIGHS 59-69.
UTZ485-212315-
EASTERN ASHLEY NATIONAL FOREST-
103 AM MDT MON SEP 21 2026
TODAY
SKY/WEATHER.........PARTLY CLOUDY (30-40%).
CHC OF LIGHTNING....0 PERCENT.
MAX TEMPERATURE.....62-72 F NEAR 7000 FEET
54-64 F NEAR 10000 FEET.
24 HR TREND......6 DEGREES WARMER.
MIN HUMIDITY........27-37% NEAR 7000 FEET
36-46% NEAR 10000 FEET.
24 HR TREND......27% DRIER.
20-FOOT WINDS.......DOWNSLOPE/DOWNVALLEY 3 TO 6 MPH BECOMING
UPSLOPE/UPVALLEY 4 TO 8 MPH BY 1100.
CWR.................0 PERCENT.
MIXING HEIGHT.......2500 FT AGL UNTIL 1200, THEN 6500 FT AGL.
TRANSPORT WINDS.....SOUTHWEST 5 MPH.
CLEARING INDEX......500.
TONIGHT
SKY/WEATHER.........PARTLY CLOUDY (50-60%).
CHC OF LIGHTNING....0 PERCENT.
MIN TEMPERATURE.....39-49 F NEAR 7000 FEET
27-37 F NEAR 10000 FEET.
24 HR TREND......2 DEGREES WARMER.
MAX HUMIDITY........61-76% NEAR 7000 FEET
73-88% NEAR 10000 FEET.
24 HR TREND......14% DRIER.
20-FOOT WINDS.......UPSLOPE/UPVALLEY 4 TO 8 MPH BECOMING
DOWNSLOPE/DOWNVALLEY 3 TO 6 MPH BY SUNSET.
CWR.................0 PERCENT.
MIXING HEIGHT.......4500 FT AGL UNTIL 1900, THEN 1000 FT AGL.
TRANSPORT WINDS.....SOUTH 5 MPH.
CLEARING INDEX......LESS THAN 500.
TUESDAY
SKY/WEATHER.........NEAR 7000 FEET, PARTLY CLOUDY (40-50%),
SCATTERED SHOWERS AND ISOLATED THUNDERSTORMS
AFTER 1200. NEAR 10000 FEET, PARTLY CLOUDY
(40-50%) UNTIL 1200, THEN MOSTLY CLOUDY
(60-70%), NUMEROUS SHOWERS AND ISOLATED
THUNDERSTORMS AFTER 1200. ISOLATED SHOWERS
UNTIL 1200.
CHC OF LIGHTNING....20 PERCENT.
MAX TEMPERATURE.....62-72 F NEAR 7000 FEET
53-63 F NEAR 10000 FEET.
24 HR TREND......UNCHANGED.
MIN HUMIDITY........33-43% NEAR 7000 FEET
43-53% NEAR 10000 FEET.
24 HR TREND......8% WETTER.
20-FOOT WINDS.......UPSLOPE/UPVALLEY WINDS 4 TO 8 MPH. LOCALIZED
GUSTS UP TO 30 MPH IN THE AFTERNOON.
CWR.................20 PERCENT.
MIXING HEIGHT.......1000 FT AGL UNTIL 1000, THEN 7000 FT AGL.
TRANSPORT WINDS.....SOUTH 5 TO 10 MPH UNTIL 1200, THEN 15 TO 20
MPH.
CLEARING INDEX......LESS THAN 500 UNTIL 1000. 1050 AFTER 1200.
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 40-50. HIGHS 60-70. WINDS
LESS THAN 15 MPH.
THURSDAY
PARTLY CLOUDY. ISOLATED SHOWERS NEAR 10000 FEET.
LOWS 42-52. HIGHS 63-73. WINDS LESS THAN 15 MPH.
FRIDAY
PARTLY CLOUDY. ISOLATED SHOWERS AND THUNDERSTORMS NEAR
7000 FEET AND SCATTERED SHOWERS AND ISOLATED THUNDERSTORMS NEAR
10000 FEET. LOWS 43-53. HIGHS 64-74. WINDS LESS THAN 15 MPH.
SATURDAY
PARTLY CLOUDY. ISOLATED SHOWERS AND THUNDERSTORMS .
LOWS 44-54. HIGHS 66-76.
SUNDAY
PARTLY CLOUDY. ISOLATED SHOWERS AND THUNDERSTORMS NEAR
7000 FEET AND SCATTERED SHOWERS AND ISOLATED THUNDERSTORMS NEAR
10000 FEET. LOWS 44-54. HIGHS 63-73.
UTZ486-212315-
EASTERN UINTA BASIN-
103 AM MDT MON SEP 21 2026
TODAY
SKY/WEATHER.........NEAR 5000 FEET, PARTLY CLOUDY (30-40%) UNTIL
1200, THEN MOSTLY SUNNY (20-30%). NEAR 8000
FEET, PARTLY CLOUDY (30-40%).
CHC OF LIGHTNING....0 PERCENT.
MAX TEMPERATURE.....64-74 F NEAR 5000 FEET
55-65 F NEAR 8000 FEET.
24 HR TREND......5 DEGREES WARMER.
MIN HUMIDITY........25-35%.
24 HR TREND......13% 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 1300, THEN 6500 FT AGL.
TRANSPORT WINDS.....EAST 5 MPH UNTIL 1200, THEN SOUTHWEST.
CLEARING INDEX......550.
TONIGHT
SKY/WEATHER.........PARTLY CLOUDY (40-50%).
CHC OF LIGHTNING....0 PERCENT.
MIN TEMPERATURE.....42-52 F NEAR 5000 FEET
34-44 F NEAR 8000 FEET.
24 HR TREND......3 DEGREES WARMER.
MAX HUMIDITY........56-66%.
24 HR TREND......14% DRIER.
20-FOOT WINDS.......UPSLOPE/UPVALLEY 4 TO 8 MPH BECOMING
DOWNSLOPE/DOWNVALLEY 3 TO 6 MPH BY SUNSET.
CWR.................0 PERCENT.
MIXING HEIGHT.......4000 FT AGL UNTIL 1900, THEN 1000 FT AGL.
TRANSPORT WINDS.....NORTHEAST 5 MPH.
CLEARING INDEX......LESS THAN 500.
TUESDAY
SKY/WEATHER.........PARTLY CLOUDY (40-50%). NEAR 5000 FEET,
SCATTERED SHOWERS. ISOLATED THUNDERSTORMS AFTER
1200. NEAR 8000 FEET, ISOLATED SHOWERS UNTIL
1200, SCATTERED SHOWERS AND ISOLATED
THUNDERSTORMS AFTER 1200.
CHC OF LIGHTNING....20 PERCENT.
MAX TEMPERATURE.....64-74 F NEAR 5000 FEET
54-64 F NEAR 8000 FEET.
24 HR TREND......1 DEGREE COOLER.
MIN HUMIDITY........31-41%.
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.......1500 FT AGL UNTIL 1100. 7000 FT AGL AFTER 1200.
TRANSPORT WINDS.....SOUTHEAST 5 MPH UNTIL 1200, THEN SOUTH 10 TO 15
MPH.
CLEARING INDEX......LESS THAN 500 UNTIL 1100. 1050 AFTER 1200.
FORECAST FOR DAY 3 THROUGH 7
WEDNESDAY
PARTLY CLOUDY. NUMEROUS SHOWERS AND ISOLATED
THUNDERSTORMS NEAR 6000 FEET AND SCATTERED SHOWERS AND ISOLATED
THUNDERSTORMS NEAR 8000 FEET. LOWS 44-54. HIGHS 64-74. WINDS
LESS THAN 15 MPH.
THURSDAY
PARTLY CLOUDY. LOWS 46-56. HIGHS 66-76. WINDS LESS
THAN 15 MPH.
FRIDAY
PARTLY CLOUDY. ISOLATED SHOWERS AND THUNDERSTORMS .
LOWS 47-57. HIGHS 67-77. WINDS LESS THAN 15 MPH.
SATURDAY
MOSTLY CLEAR. ISOLATED SHOWERS AND THUNDERSTORMS .
LOWS 48-58. HIGHS 69-79.
SUNDAY
PARTLY CLOUDY. ISOLATED SHOWERS AND THUNDERSTORMS .
LOWS 48-58. HIGHS 67-77.
UTZ487-212315-
BOOK CLIFFS-
103 AM MDT MON SEP 21 2026
TODAY
SKY/WEATHER.........PARTLY CLOUDY (30-40%).
CHC OF LIGHTNING....0 PERCENT.
MAX TEMPERATURE.....67-77 F NEAR 5000 FEET
61-71 F NEAR 8000 FEET.
24 HR TREND......3 DEGREES WARMER.
MIN HUMIDITY........21-31%.
24 HR TREND......11% DRIER.
20-FOOT WINDS.......DOWNSLOPE/DOWNVALLEY 3 TO 6 MPH BECOMING
UPSLOPE/UPVALLEY 4 TO 8 MPH BY 1100.
CWR.................0 PERCENT.
MIXING HEIGHT.......2500 FT AGL UNTIL 1200, THEN 7500 FT AGL.
TRANSPORT WINDS.....SOUTHWEST 5 MPH.
CLEARING INDEX......LESS THAN 500 UNTIL 1200, THEN 700.
TONIGHT
SKY/WEATHER.........PARTLY CLOUDY (40-50%). ISOLATED SHOWERS AFTER
2400.
CHC OF LIGHTNING....0 PERCENT.
MIN TEMPERATURE.....43-53 F.
24 HR TREND......2 DEGREES WARMER.
MAX HUMIDITY........55-70%.
24 HR TREND......7% DRIER.
20-FOOT WINDS.......UPSLOPE/UPVALLEY 4 TO 8 MPH BECOMING
DOWNSLOPE/DOWNVALLEY 3 TO 6 MPH BY SUNSET.
CWR.................10 PERCENT.
MIXING HEIGHT.......5000 FT AGL UNTIL 1900, THEN 1000 FT AGL.
TRANSPORT WINDS.....SOUTHEAST 5 MPH.
CLEARING INDEX......LESS THAN 500.
TUESDAY
SKY/WEATHER.........PARTLY CLOUDY (40-50%). NEAR 5000 FEET,
SCATTERED SHOWERS AND ISOLATED THUNDERSTORMS.
NEAR 8000 FEET, ISOLATED THUNDERSTORMS UNTIL
1200. SCATTERED SHOWERS. SCATTERED
THUNDERSTORMS AFTER 1200.
CHC OF LIGHTNING....20 PERCENT.
MAX TEMPERATURE.....66-76 F NEAR 5000 FEET
59-69 F NEAR 8000 FEET.
24 HR TREND......1 DEGREE COOLER.
MIN HUMIDITY........26-36% NEAR 5000 FEET
32-42% 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.......1000 FT AGL UNTIL 1000, THEN 8000 FT AGL.
TRANSPORT WINDS.....SOUTH 5 TO 10 MPH UNTIL 1200, THEN SOUTHWEST 15
TO 20 MPH.
CLEARING INDEX......LESS THAN 500 UNTIL 1000. 1050 AFTER 1200.
FORECAST FOR DAY 3 THROUGH 7
WEDNESDAY
PARTLY CLOUDY. NUMEROUS SHOWERS AND SCATTERED
THUNDERSTORMS NEAR 6000 FEET AND NUMEROUS SHOWERS AND SCATTERED
THUNDERSTORMS NEAR 8000 FEET. LOWS 44-54. HIGHS 65-75. WINDS
LESS THAN 15 MPH.
THURSDAY
PARTLY CLOUDY. ISOLATED SHOWERS NEAR 8000 FEET. LOWS
45-55. HIGHS 67-77. WINDS LESS THAN 15 MPH.
FRIDAY
PARTLY CLOUDY. SCATTERED SHOWERS AND THUNDERSTORMS .
LOWS 46-56. HIGHS 69-79. WINDS LESS THAN 15 MPH.
SATURDAY
PARTLY CLOUDY. ISOLATED SHOWERS AND THUNDERSTORMS .
LOWS 48-58. HIGHS 71-81.
SUNDAY
PARTLY CLOUDY. ISOLATED SHOWERS AND THUNDERSTORMS .
LOWS 48-58. HIGHS 69-79.
UTZ490-212315-
COLORADO RIVER BASIN-
103 AM MDT MON SEP 21 2026
TODAY
SKY/WEATHER.........NEAR 5000 FEET, MOSTLY SUNNY (20-30%) UNTIL
1200, THEN PARTLY CLOUDY (30-40%). NEAR 7000
FEET, PARTLY CLOUDY (30-40%).
CHC OF LIGHTNING....0 PERCENT.
MAX TEMPERATURE.....75-85 F NEAR 5000 FEET
64-74 F NEAR 7000 FEET.
24 HR TREND......1 DEGREE WARMER.
MIN HUMIDITY........14-24%.
24 HR TREND......1% WETTER.
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 1300, THEN 8500 FT AGL.
TRANSPORT WINDS.....NORTHEAST 5 MPH UNTIL 1200, THEN SOUTHWEST.
CLEARING INDEX......600.
TONIGHT
SKY/WEATHER.........PARTLY CLOUDY (40-50%). NEAR 5000 FEET,
ISOLATED SHOWERS AND THUNDERSTORMS AFTER 2400.
NEAR 7000 FEET, ISOLATED SHOWERS AFTER 2400.
CHC OF LIGHTNING....20 PERCENT.
MIN TEMPERATURE.....51-61 F NEAR 5000 FEET
45-55 F NEAR 7000 FEET.
24 HR TREND......2 DEGREES WARMER.
MAX HUMIDITY........46-56%.
24 HR TREND......1% DRIER.
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 1900, THEN 1000 FT AGL.
TRANSPORT WINDS.....EAST 5 MPH.
CLEARING INDEX......550 UNTIL 1900, THEN LESS THAN 500.
TUESDAY
SKY/WEATHER.........PARTLY CLOUDY (40-50%). NEAR 5000 FEET,
NUMEROUS SHOWERS UNTIL 1200, SCATTERED SHOWERS
AFTER 1200. ISOLATED THUNDERSTORMS. NEAR 7000
FEET, SCATTERED SHOWERS UNTIL 1200, ISOLATED
SHOWERS AFTER 1200.
CHC OF LIGHTNING....20 PERCENT.
MAX TEMPERATURE.....73-83 F NEAR 5000 FEET
62-72 F NEAR 7000 FEET.
24 HR TREND......1 DEGREE COOLER.
MIN HUMIDITY........23-33%.
24 HR TREND......9% WETTER.
20-FOOT WINDS.......DOWNSLOPE/DOWNVALLEY 3 TO 6 MPH BECOMING
UPSLOPE/UPVALLEY 4 TO 8 MPH BY 1100.
CWR.................20 PERCENT.
MIXING HEIGHT.......2000 FT AGL UNTIL 1100, THEN 8500 FT AGL.
TRANSPORT WINDS.....SOUTHEAST 5 TO 10 MPH UNTIL 1200, THEN SOUTH.
CLEARING INDEX......LESS THAN 500 UNTIL 1000. 1050 AFTER 1200.
FORECAST FOR DAY 3 THROUGH 7
WEDNESDAY
PARTLY CLOUDY. SCATTERED SHOWERS AND THUNDERSTORMS
NEAR 5000 FEET AND NUMEROUS SHOWERS AND SCATTERED THUNDERSTORMS
NEAR 7000 FEET. LOWS 51-61. HIGHS 71-81. WINDS LESS THAN 15 MPH.
THURSDAY
PARTLY CLOUDY. ISOLATED SHOWERS AND THUNDERSTORMS.
LOWS 52-62. HIGHS 72-82. WINDS LESS THAN 15 MPH.
FRIDAY
PARTLY CLOUDY. ISOLATED SHOWERS AND THUNDERSTORMS NEAR
5000 FEET AND SCATTERED SHOWERS AND THUNDERSTORMS NEAR 7000 FEET
. LOWS 52-62. HIGHS 72-82. WINDS LESS THAN 15 MPH.
SATURDAY
MOSTLY CLEAR. ISOLATED SHOWERS AND THUNDERSTORMS .
LOWS 53-63. HIGHS 77-87.
SUNDAY
PARTLY CLOUDY. ISOLATED SHOWERS AND THUNDERSTORMS .
LOWS 53-63. HIGHS 74-84.
UTZ491-212315-
SOUTHEAST UTAH-
103 AM MDT MON SEP 21 2026
TODAY
SKY/WEATHER.........NEAR 5000 FEET, PARTLY CLOUDY (50-60%). NEAR
8000 FEET, PARTLY CLOUDY (50-60%) UNTIL 1200,
THEN MOSTLY CLOUDY (60-70%).
CHC OF LIGHTNING....0 PERCENT.
MAX TEMPERATURE.....73-83 F NEAR 5000 FEET
61-71 F NEAR 8000 FEET.
24 HR TREND......2 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.
CWR.................0 PERCENT.
MIXING HEIGHT.......2000 FT AGL UNTIL 1200, THEN 9500 FT AGL.
TRANSPORT WINDS.....EAST 5 MPH UNTIL 1200, THEN SOUTH.
CLEARING INDEX......LESS THAN 500 UNTIL 1300, THEN 850.
TONIGHT
SKY/WEATHER.........PARTLY CLOUDY (30-40%). NEAR 5000 FEET,
SCATTERED SHOWERS AND ISOLATED THUNDERSTORMS
AFTER 2400. NEAR 8000 FEET, SCATTERED SHOWERS
AFTER 2400.
CHC OF LIGHTNING....20 PERCENT.
MIN TEMPERATURE.....52-62 F NEAR 5000 FEET
43-53 F NEAR 8000 FEET.
24 HR TREND......3 DEGREES WARMER.
MAX HUMIDITY........53-63%.
24 HR TREND......7% WETTER.
20-FOOT WINDS.......UPSLOPE/UPVALLEY 4 TO 8 MPH BECOMING
DOWNSLOPE/DOWNVALLEY 3 TO 6 MPH BY SUNSET.
CWR.................10 PERCENT.
MIXING HEIGHT.......8500 FT AGL UNTIL 1900. 500 FT AGL AFTER 2000.
TRANSPORT WINDS.....SOUTHEAST 5 TO 10 MPH.
CLEARING INDEX......750 UNTIL 1900, THEN LESS THAN 500.
TUESDAY
SKY/WEATHER.........NEAR 5000 FEET, MOSTLY CLOUDY (60-70%) UNTIL
1200, THEN PARTLY CLOUDY (50-60%), SCATTERED
SHOWERS AND ISOLATED THUNDERSTORMS UNTIL 1200,
THEN NUMEROUS SHOWERS AND SCATTERED
THUNDERSTORMS. NEAR 8000 FEET, MOSTLY CLOUDY
(70-80%), SHOWERS AND ISOLATED THUNDERSTORMS
UNTIL 1200, THEN SCATTERED SHOWERS AND
THUNDERSTORMS.
CHC OF LIGHTNING....50 PERCENT.
MAX TEMPERATURE.....72-82 F NEAR 5000 FEET
58-68 F NEAR 8000 FEET.
24 HR TREND......UNCHANGED.
MIN HUMIDITY........26-36% NEAR 5000 FEET
35-45% NEAR 8000 FEET.
24 HR TREND......11% WETTER.
20-FOOT WINDS.......DOWNSLOPE/DOWNVALLEY 3 TO 6 MPH BECOMING
UPSLOPE/UPVALLEY 4 TO 8 MPH BY 1100.
CWR.................20 PERCENT.
MIXING HEIGHT.......2500 FT AGL UNTIL 1100, THEN 8000 FT AGL.
TRANSPORT WINDS.....SOUTHEAST 5 TO 10 MPH.
CLEARING INDEX......LESS THAN 500 UNTIL 1000. 1050 AFTER 1100.
FORECAST FOR DAY 3 THROUGH 7
WEDNESDAY
MOSTLY CLOUDY. SCATTERED SHOWERS AND ISOLATED
THUNDERSTORMS NEAR 5000 FEET AND SCATTERED SHOWERS AND
THUNDERSTORMS NEAR 8000 FEET. LOWS 53-63. HIGHS 70-80. WINDS
LESS THAN 15 MPH.
THURSDAY
PARTLY CLOUDY. ISOLATED SHOWERS AND THUNDERSTORMS
NEAR 5000 FEET AND SCATTERED SHOWERS AND THUNDERSTORMS NEAR
8000 FEET. LOWS 52-62. HIGHS 70-80. WINDS LESS THAN 15 MPH.
FRIDAY
PARTLY CLOUDY. SCATTERED SHOWERS AND ISOLATED
THUNDERSTORMS NEAR 5000 FEET AND SCATTERED SHOWERS AND
THUNDERSTORMS NEAR 8000 FEET. LOWS 52-62. HIGHS 70-80. WINDS
LESS THAN 15 MPH.
SATURDAY
MOSTLY CLEAR. ISOLATED SHOWERS AND THUNDERSTORMS .
LOWS 52-62. HIGHS 75-85.
SUNDAY
PARTLY CLOUDY. ISOLATED SHOWERS AND THUNDERSTORMS .
LOWS 53-63. HIGHS 73-83.
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