620
FNUS55 KGJT 212132
FWFGJT
FIRE WEATHER PLANNING FORECAST FOR WRN COLORADO AND ERN UTAH
NATIONAL WEATHER SERVICE GRAND JUNCTION CO
332 PM MDT MON SEP 21 2026
DISCUSSION
DRY WEATHER IS EXPECTED TODAY. CHANCES FOR SHOWERS
AND STORMS INCREASE TOMORROW THROUGH THURSDAY. THE NORTHWEST HALF
OF THE AREA HAVE THE LOWEST CHANCES, WHILE MORE WIDESPREAD
PRECIPITATION IS EXPECTED ACROSS THE SOUTHEAST HALF. REGARDLESS
THE MOISTURE WILL KEEP THE RH OUT OF CRITICAL VALUES.
...GUSTY ERRATIC WINDS CAN BE EXPECTED NEAR ANY SHOWERS
OR THUNDERSTORMS...
..THE SMOKE DATA IS CALCULATED FROM AN AVERAGE AT 6000 FEET MSL
COZ200-221345-
LITTLE SNAKE FORECAST AREA-
332 PM MDT MON SEP 21 2026
TONIGHT
SKY/WEATHER.........PARTLY CLOUDY (50-60%).
CHC OF LIGHTNING....0 PERCENT.
MIN TEMPERATURE.....46-56 F.
MAX HUMIDITY........52-62%.
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 INCREASING TO 20 TO 25
MPH AFTER MIDNIGHT.
MIXING HEIGHT.......5500 FT AGL UNTIL 1900, THEN 1000 FT AGL.
TRANSPORT WINDS.....SOUTHWEST 5 MPH UNTIL 2400, THEN SOUTHEAST.
SMOKE DISPERSAL.....POOR.
TUESDAY
SKY/WEATHER.........PARTLY CLOUDY (30-40%). ISOLATED SHOWERS AND
THUNDERSTORMS AFTER 1200.
CHC OF LIGHTNING....20 PERCENT.
MAX TEMPERATURE.....67-77 F NEAR 6000 FEET
59-69 F NEAR 8000 FEET.
MIN HUMIDITY........25-35% NEAR 6000 FEET
33-43% 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.......1500 FT AGL UNTIL 1100, THEN 7500 FT AGL.
TRANSPORT WINDS.....SOUTHEAST 5 MPH UNTIL 1200, THEN SOUTHWEST 15
TO 20 MPH.
SMOKE DISPERSAL.....POOR UNTIL 1200, THEN VERY GOOD.
TUESDAY NIGHT
SKY/WEATHER.........MOSTLY CLOUDY (70-80%) UNTIL 2400, THEN PARTLY
CLOUDY (50-60%). NEAR 6000 FEET, ISOLATED
THUNDERSTORMS UNTIL 2400. SCATTERED SHOWERS.
NEAR 8000 FEET, SCATTERED SHOWERS AND ISOLATED
THUNDERSTORMS UNTIL 2400, THEN NUMEROUS
SHOWERS.
CHC OF LIGHTNING....20 PERCENT.
MIN TEMPERATURE.....43-53 F NEAR 6000 FEET
37-47 F NEAR 8000 FEET.
MAX HUMIDITY........76-91%.
20-FOOT WINDS.......DOWNSLOPE/DOWNVALLEY WINDS 3 TO 6 MPH.
LOCALIZED GUSTS UP TO 25 MPH IN THE EVENING.
CWR.................40 PERCENT.
15K FT MSL WINDS....SOUTHWEST 25 TO 35 MPH.
MIXING HEIGHT.......4500 FT AGL UNTIL 1900, THEN 1000 FT AGL.
TRANSPORT WINDS.....SOUTHWEST 5 MPH.
SMOKE DISPERSAL.....POOR.
WEDNESDAY
SKY/WEATHER.........MOSTLY CLOUDY (60-70%) UNTIL 1200, THEN PARTLY
CLOUDY (40-50%).
CHC OF LIGHTNING....0 PERCENT.
MAX TEMPERATURE.....65-75 F NEAR 6000 FEET
52-62 F NEAR 8000 FEET.
MIN HUMIDITY........26-36% 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.................0 PERCENT.
15K FT MSL WINDS....WEST 20 TO 25 MPH DECREASING TO 10 TO 15 MPH IN
THE AFTERNOON.
MIXING HEIGHT.......2000 FT AGL UNTIL 1100, THEN 6500 FT AGL.
TRANSPORT WINDS.....WEST 5 MPH.
SMOKE DISPERSAL.....POOR UNTIL 0900. FAIR AFTER 1200.
FORECAST FOR DAY 3 THROUGH 7
THURSDAY
PARTLY CLOUDY. ISOLATED SHOWERS AND THUNDERSTORMS
NEAR 6000 FEET AND ISOLATED SHOWERS NEAR 8000 FEET. LOWS 43-53.
HIGHS 67-77. WINDS LESS THAN 15 MPH.
FRIDAY
PARTLY CLOUDY. ISOLATED SHOWERS AND THUNDERSTORMS. LOWS
44-54. HIGHS 68-78. WINDS LESS THAN 15 MPH.
SATURDAY
PARTLY CLOUDY. LOWS 44-54. HIGHS 69-79. WINDS LESS
THAN 15 MPH.
SUNDAY
PARTLY CLOUDY. ISOLATED SHOWERS AND THUNDERSTORMS. LOWS
45-55. HIGHS 69-79.
MONDAY
PARTLY CLOUDY. SCATTERED SHOWERS AND ISOLATED
THUNDERSTORMS. LOWS 45-55. HIGHS 65-75.
COZ201-221345-
ROUTT FORECAST AREA-
332 PM MDT MON SEP 21 2026
TONIGHT
SKY/WEATHER.........PARTLY CLOUDY (40-50%).
CHC OF LIGHTNING....0 PERCENT.
MIN TEMPERATURE.....39-49 F.
MAX HUMIDITY........51-61%.
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 INCREASING TO 20 TO 25
MPH AFTER MIDNIGHT.
MIXING HEIGHT.......4500 FT AGL UNTIL 1900, THEN 1000 FT AGL.
TRANSPORT WINDS.....SOUTH 5 MPH.
SMOKE DISPERSAL.....POOR.
TUESDAY
SKY/WEATHER.........PARTLY CLOUDY (40-50%). SCATTERED SHOWERS AND
ISOLATED THUNDERSTORMS AFTER 1200.
CHC OF LIGHTNING....20 PERCENT.
MAX TEMPERATURE.....61-71 F.
MIN HUMIDITY........29-39%.
20-FOOT WINDS.......UPSLOPE/UPVALLEY WINDS 4 TO 8 MPH. LOCALIZED
GUSTS UP TO 25 MPH.
CWR.................20 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.
TUESDAY NIGHT
SKY/WEATHER.........MOSTLY CLOUDY (70-80%). ISOLATED THUNDERSTORMS
UNTIL 2400. SCATTERED SHOWERS.
CHC OF LIGHTNING....20 PERCENT.
MIN TEMPERATURE.....39-49 F.
MAX HUMIDITY........75-90%.
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....SOUTHWEST 20 TO 30 MPH.
MIXING HEIGHT.......3000 FT AGL UNTIL 2000, THEN 500 FT AGL.
TRANSPORT WINDS.....SOUTH 5 TO 10 MPH.
SMOKE DISPERSAL.....POOR.
WEDNESDAY
SKY/WEATHER.........MOSTLY CLOUDY (70-80%). ISOLATED SHOWERS UNTIL
1200, SCATTERED SHOWERS AND ISOLATED
THUNDERSTORMS AFTER 1200.
CHC OF LIGHTNING....20 PERCENT.
MAX TEMPERATURE.....56-66 F.
MIN HUMIDITY........38-48%.
20-FOOT WINDS.......DOWNSLOPE/DOWNVALLEY 3 TO 6 MPH BECOMING
UPSLOPE/UPVALLEY 4 TO 8 MPH BY 1100.
CWR.................10 PERCENT.
15K FT MSL WINDS....WEST 15 TO 20 MPH DECREASING TO 10 TO 15 MPH IN
THE AFTERNOON.
MIXING HEIGHT.......2000 FT AGL UNTIL 1000, THEN 5500 FT AGL.
TRANSPORT WINDS.....SOUTHWEST 5 TO 10 MPH UNTIL 1200, THEN WEST.
SMOKE DISPERSAL.....POOR UNTIL 0900. FAIR AFTER 1200.
FORECAST FOR DAY 3 THROUGH 7
THURSDAY
PARTLY CLOUDY. SCATTERED SHOWERS AND THUNDERSTORMS.
LOWS 39-49. HIGHS 59-69. 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 39-49. HIGHS 61-71. WINDS LESS THAN 15 MPH.
SUNDAY
PARTLY CLOUDY. SCATTERED SHOWERS AND ISOLATED
THUNDERSTORMS. LOWS 41-51. HIGHS 60-70.
MONDAY
PARTLY CLOUDY. SCATTERED SHOWERS AND ISOLATED
THUNDERSTORMS. LOWS 41-51. HIGHS 56-66.
COZ202-221345-
WHITE RIVER FORECAST AREA-
332 PM MDT MON SEP 21 2026
TONIGHT
SKY/WEATHER.........PARTLY CLOUDY (40-50%).
CHC OF LIGHTNING....0 PERCENT.
MIN TEMPERATURE.....43-53 F.
MAX HUMIDITY........48-58% NEAR 6000 FEET
42-52% 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 15 TO 20 MPH INCREASING TO 20 TO 25
MPH AFTER MIDNIGHT.
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, THEN PARTLY CLOUDY (30-40%). NEAR 8000
FEET, PARTLY CLOUDY (30-40%). SCATTERED SHOWERS
AND 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........24-34% NEAR 6000 FEET
30-40% 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 30 MPH.
MIXING HEIGHT.......2000 FT AGL UNTIL 1100, THEN 6500 FT AGL.
TRANSPORT WINDS.....SOUTHEAST 5 TO 10 MPH UNTIL 1200, THEN
SOUTHWEST 15 TO 20 MPH.
SMOKE DISPERSAL.....POOR UNTIL 0900. VERY GOOD AFTER 1200.
TUESDAY NIGHT
SKY/WEATHER.........NEAR 6000 FEET, MOSTLY CLOUDY (60-70%) UNTIL
2400, THEN PARTLY CLOUDY (50-60%). NEAR 8000
FEET, MOSTLY CLOUDY (60-70%). ISOLATED
THUNDERSTORMS UNTIL 2400. SCATTERED SHOWERS.
CHC OF LIGHTNING....20 PERCENT.
MIN TEMPERATURE.....43-53 F.
MAX HUMIDITY........73-88%.
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 25 TO 35 MPH.
MIXING HEIGHT.......3500 FT AGL UNTIL 1900, THEN 1000 FT AGL.
TRANSPORT WINDS.....SOUTHWEST 5 TO 10 MPH UNTIL 2400, THEN SOUTH.
SMOKE DISPERSAL.....POOR.
WEDNESDAY
SKY/WEATHER.........NEAR 6000 FEET, MOSTLY CLOUDY (60-70%) UNTIL
1200, THEN PARTLY CLOUDY (50-60%). NEAR 8000
FEET, MOSTLY CLOUDY (70-80%), ISOLATED SHOWERS
AND THUNDERSTORMS AFTER 1200.
CHC OF LIGHTNING....0 PERCENT.
MAX TEMPERATURE.....64-74 F NEAR 6000 FEET
56-66 F NEAR 8000 FEET.
MIN HUMIDITY........28-38% NEAR 6000 FEET
39-49% 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 20 TO 25 MPH DECREASING TO 10 TO 15 MPH IN
THE AFTERNOON.
MIXING HEIGHT.......2000 FT AGL UNTIL 1100, THEN 5500 FT AGL.
TRANSPORT WINDS.....WEST 5 MPH.
SMOKE DISPERSAL.....POOR.
FORECAST FOR DAY 3 THROUGH 7
THURSDAY
PARTLY CLOUDY. ISOLATED SHOWERS AND THUNDERSTORMS.
LOWS 45-55. 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 69-79. WINDS LESS THAN 15 MPH.
SATURDAY
PARTLY CLOUDY. ISOLATED SHOWERS NEAR 6000 FEET AND
ISOLATED SHOWERS AND THUNDERSTORMS NEAR 8000 FEET. LOWS 46-56.
HIGHS 70-80. WINDS LESS THAN 15 MPH.
SUNDAY
PARTLY CLOUDY. ISOLATED SHOWERS AND THUNDERSTORMS. LOWS
47-57. HIGHS 70-80.
MONDAY
PARTLY CLOUDY. SCATTERED SHOWERS AND ISOLATED
THUNDERSTORMS. LOWS 46-56. HIGHS 65-75.
COZ203-221345-
LOWER COLORADO RIVER-
332 PM MDT MON SEP 21 2026
TONIGHT
SKY/WEATHER.........MOSTLY CLOUDY (60-70%) UNTIL 2400, THEN PARTLY
CLOUDY (40-50%).
CHC OF LIGHTNING....0 PERCENT.
MIN TEMPERATURE.....50-60 F.
MAX HUMIDITY........42-52%.
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 INCREASING TO 20 TO 25
MPH AFTER MIDNIGHT.
MIXING HEIGHT.......5500 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 (50-60%). SCATTERED SHOWERS AND
THUNDERSTORMS AFTER 1200.
CHC OF LIGHTNING....40 PERCENT.
MAX TEMPERATURE.....70-80 F NEAR 6000 FEET
63-73 F NEAR 8000 FEET.
MIN HUMIDITY........24-34%.
20-FOOT WINDS.......UPSLOPE/UPVALLEY WINDS 4 TO 8 MPH. LOCALIZED
GUSTS UP TO 25 MPH.
CWR.................30 PERCENT.
15K FT MSL WINDS....SOUTHWEST 20 TO 30 MPH.
MIXING HEIGHT.......1000 FT AGL UNTIL 1000. 6500 FT AGL AFTER 1100.
TRANSPORT WINDS.....SOUTHEAST 5 TO 10 MPH UNTIL 1200, THEN
SOUTHWEST.
SMOKE DISPERSAL.....POOR UNTIL 0900. GOOD AFTER 1200.
TUESDAY NIGHT
SKY/WEATHER.........MOSTLY CLOUDY (70-80%). SCATTERED THUNDERSTORMS
UNTIL 2400. NUMEROUS SHOWERS. ISOLATED
THUNDERSTORMS AFTER 2400.
CHC OF LIGHTNING....50 PERCENT.
MIN TEMPERATURE.....49-59 F NEAR 6000 FEET
42-52 F NEAR 8000 FEET.
MAX HUMIDITY........69-84%.
20-FOOT WINDS.......DOWNSLOPE/DOWNVALLEY WINDS 3 TO 6 MPH.
LOCALIZED GUSTS UP TO 20 MPH IN THE EVENING.
CWR.................40 PERCENT.
15K FT MSL WINDS....SOUTHWEST 20 TO 25 MPH.
MIXING HEIGHT.......1000 FT AGL.
TRANSPORT WINDS.....SOUTHEAST 5 MPH.
SMOKE DISPERSAL.....POOR.
WEDNESDAY
SKY/WEATHER.........MOSTLY CLOUDY (70-80%). ISOLATED SHOWERS UNTIL
1200, SCATTERED SHOWERS AND ISOLATED
THUNDERSTORMS AFTER 1200.
CHC OF LIGHTNING....10 PERCENT.
MAX TEMPERATURE.....66-76 F NEAR 6000 FEET
59-69 F NEAR 8000 FEET.
MIN HUMIDITY........32-42%.
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....NORTHWEST 5 TO 10 MPH.
MIXING HEIGHT.......6000 FT AGL.
TRANSPORT WINDS.....SOUTHEAST 5 MPH UNTIL 1200, THEN WEST.
SMOKE DISPERSAL.....POOR.
FORECAST FOR DAY 3 THROUGH 7
THURSDAY
PARTLY CLOUDY. SCATTERED SHOWERS AND THUNDERSTORMS.
LOWS 49-59. HIGHS 68-78. WINDS LESS THAN 15 MPH.
FRIDAY
PARTLY CLOUDY. SCATTERED SHOWERS AND THUNDERSTORMS.
LOWS 49-59. HIGHS 68-78. WINDS LESS THAN 15 MPH.
SATURDAY
PARTLY CLOUDY. ISOLATED SHOWERS AND THUNDERSTORMS.
LOWS 48-58. HIGHS 70-80. WINDS LESS THAN 15 MPH.
SUNDAY
PARTLY CLOUDY. ISOLATED SHOWERS AND THUNDERSTORMS. LOWS
50-60. HIGHS 70-80.
MONDAY
PARTLY CLOUDY. SCATTERED SHOWERS AND ISOLATED
THUNDERSTORMS. LOWS 49-59. HIGHS 66-76.
COZ205-221345-
COLORADO RIVER HEADWATERS-
332 PM MDT MON SEP 21 2026
TONIGHT
SKY/WEATHER.........PARTLY CLOUDY (40-50%).
CHC OF LIGHTNING....0 PERCENT.
MIN TEMPERATURE.....42-52 F.
MAX HUMIDITY........52-62%.
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 INCREASING TO 20 TO 25
MPH AFTER MIDNIGHT.
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.....63-73 F.
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 DECREASING TO 15 TO 20
MPH IN THE AFTERNOON.
MIXING HEIGHT.......1500 FT AGL UNTIL 1000, THEN 7500 FT AGL.
TRANSPORT WINDS.....SOUTHWEST 5 TO 10 MPH.
SMOKE DISPERSAL.....POOR UNTIL 0900. GOOD AFTER 1200.
TUESDAY NIGHT
SKY/WEATHER.........MOSTLY CLOUDY (70-80%). SCATTERED SHOWERS UNTIL
2400. ISOLATED THUNDERSTORMS. NUMEROUS SHOWERS
AFTER 2400.
CHC OF LIGHTNING....20 PERCENT.
MIN TEMPERATURE.....41-51 F.
MAX HUMIDITY........75-90%.
20-FOOT WINDS.......DOWNSLOPE/DOWNVALLEY WINDS 3 TO 6 MPH.
LOCALIZED GUSTS UP TO 20 MPH IN THE EVENING.
CWR.................40 PERCENT.
15K FT MSL WINDS....SOUTHWEST 15 TO 20 MPH.
MIXING HEIGHT.......2500 FT AGL UNTIL 2000, THEN 500 FT AGL.
TRANSPORT WINDS.....SOUTH 5 MPH.
SMOKE DISPERSAL.....POOR.
WEDNESDAY
SKY/WEATHER.........MOSTLY CLOUDY (70-80%). ISOLATED SHOWERS UNTIL
1200, THEN SCATTERED SHOWERS AND ISOLATED
THUNDERSTORMS.
CHC OF LIGHTNING....20 PERCENT.
MAX TEMPERATURE.....58-68 F.
MIN HUMIDITY........40-50%.
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 5 TO 10 MPH SHIFTING TO THE NORTHWEST
IN THE AFTERNOON.
MIXING HEIGHT.......3500 FT AGL UNTIL 1200, THEN 5500 FT AGL.
TRANSPORT WINDS.....SOUTHWEST 5 MPH UNTIL 1200, THEN NORTHWEST.
SMOKE DISPERSAL.....POOR.
FORECAST FOR DAY 3 THROUGH 7
THURSDAY
MOSTLY CLOUDY. SCATTERED SHOWERS AND THUNDERSTORMS.
LOWS 41-51. HIGHS 58-68. WINDS LESS THAN 15 MPH.
FRIDAY
MOSTLY CLOUDY. SCATTERED SHOWERS AND THUNDERSTORMS.
LOWS 40-50. HIGHS 59-69. WINDS LESS THAN 15 MPH.
SATURDAY
PARTLY CLOUDY. ISOLATED SHOWERS AND THUNDERSTORMS.
LOWS 39-49. HIGHS 61-71. WINDS LESS THAN 15 MPH.
SUNDAY
PARTLY CLOUDY. ISOLATED SHOWERS AND THUNDERSTORMS. LOWS
41-51. HIGHS 60-70.
MONDAY
PARTLY CLOUDY. SCATTERED SHOWERS AND ISOLATED
THUNDERSTORMS. LOWS 41-51. HIGHS 56-66.
COZ290-221345-
PARADOX VALLEY FORECAST AREA-
332 PM MDT MON SEP 21 2026
TONIGHT
SKY/WEATHER.........PARTLY CLOUDY (40-50%).
CHC OF LIGHTNING....0 PERCENT.
MIN TEMPERATURE.....48-58 F NEAR 6000 FEET
45-55 F NEAR 8000 FEET.
MAX HUMIDITY........42-52% NEAR 6000 FEET
53-63% 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....SOUTH 15 TO 20 MPH INCREASING TO SOUTHWEST 20
TO 25 MPH AFTER MIDNIGHT.
MIXING HEIGHT.......7000 FT AGL UNTIL 1900. 500 FT AGL AFTER 2000.
TRANSPORT WINDS.....SOUTHEAST 5 TO 10 MPH.
SMOKE DISPERSAL.....POOR.
TUESDAY
SKY/WEATHER.........MOSTLY SUNNY (20-30%) UNTIL 1200, THEN MOSTLY
CLOUDY (60-70%). NUMEROUS SHOWERS AND SCATTERED
THUNDERSTORMS AFTER 1200.
CHC OF LIGHTNING....50 PERCENT.
MAX TEMPERATURE.....68-78 F NEAR 6000 FEET
62-72 F NEAR 8000 FEET.
MIN HUMIDITY........24-34% NEAR 6000 FEET
31-41% NEAR 8000 FEET.
20-FOOT WINDS.......UPSLOPE/UPVALLEY WINDS 4 TO 8 MPH. LOCALIZED
GUSTS UP TO 30 MPH IN THE AFTERNOON.
CWR.................20 PERCENT.
15K FT MSL WINDS....SOUTHWEST 20 TO 30 MPH.
MIXING HEIGHT.......1000 FT AGL UNTIL 1000. 8000 FT AGL AFTER 1100.
TRANSPORT WINDS.....SOUTH 5 TO 10 MPH UNTIL 1200, THEN 15 TO 20
MPH.
SMOKE DISPERSAL.....POOR UNTIL 0900. VERY GOOD AFTER 1200.
TUESDAY NIGHT
SKY/WEATHER.........MOSTLY CLOUDY (70-80%). SCATTERED THUNDERSTORMS
UNTIL 2400. NUMEROUS SHOWERS. ISOLATED
THUNDERSTORMS AFTER 2400.
CHC OF LIGHTNING....50 PERCENT.
MIN TEMPERATURE.....45-55 F NEAR 6000 FEET
42-52 F NEAR 8000 FEET.
MAX HUMIDITY........67-82% NEAR 6000 FEET
80-95% NEAR 8000 FEET.
20-FOOT WINDS.......DOWNSLOPE/DOWNVALLEY WINDS 3 TO 6 MPH.
LOCALIZED GUSTS UP TO 25 MPH IN THE EVENING.
CWR.................40 PERCENT.
15K FT MSL WINDS....SOUTHWEST 20 TO 25 MPH DECREASING TO 10 TO 15
MPH AFTER MIDNIGHT.
MIXING HEIGHT.......5000 FT AGL UNTIL 1900, THEN 1500 FT AGL.
TRANSPORT WINDS.....SOUTHEAST 5 MPH.
SMOKE DISPERSAL.....POOR.
WEDNESDAY
SKY/WEATHER.........MOSTLY CLOUDY (70-80%). SCATTERED SHOWERS.
SCATTERED THUNDERSTORMS AFTER 1200.
CHC OF LIGHTNING....30 PERCENT.
MAX TEMPERATURE.....63-73 F NEAR 6000 FEET
53-63 F NEAR 8000 FEET.
MIN HUMIDITY........36-46% 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.................20 PERCENT.
15K FT MSL WINDS....NORTHEAST 5 TO 10 MPH.
MIXING HEIGHT.......3500 FT AGL UNTIL 1300, THEN 6000 FT AGL.
TRANSPORT WINDS.....SOUTH 5 MPH UNTIL 1200, THEN NORTH.
SMOKE DISPERSAL.....POOR.
FORECAST FOR DAY 3 THROUGH 7
THURSDAY
MOSTLY CLOUDY. SCATTERED SHOWERS AND THUNDERSTORMS.
LOWS 50-60. HIGHS 68-78. 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
67-77. WINDS LESS THAN 15 MPH.
SATURDAY
MOSTLY CLEAR. ISOLATED SHOWERS AND THUNDERSTORMS.
LOWS 49-59. HIGHS 70-80. WINDS LESS THAN 15 MPH.
SUNDAY
PARTLY CLOUDY. ISOLATED SHOWERS AND THUNDERSTORMS. LOWS
51-61. HIGHS 69-79.
MONDAY
PARTLY CLOUDY. SCATTERED SHOWERS AND ISOLATED
THUNDERSTORMS. LOWS 50-60. HIGHS 66-76.
COZ291-221345-
NORTHERN SAN JUAN FORECAST AREA-
332 PM MDT MON SEP 21 2026
TONIGHT
SKY/WEATHER.........PARTLY CLOUDY (40-50%).
CHC OF LIGHTNING....0 PERCENT.
MIN TEMPERATURE.....43-53 F.
MAX HUMIDITY........55-65%.
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 10 TO 15 MPH INCREASING TO SOUTHWEST 20
TO 25 MPH AFTER MIDNIGHT.
MIXING HEIGHT.......5500 FT AGL UNTIL 1900. 500 FT AGL AFTER 2000.
TRANSPORT WINDS.....SOUTH 5 MPH.
SMOKE DISPERSAL.....POOR.
TUESDAY
SKY/WEATHER.........MOSTLY SUNNY (20-30%) UNTIL 1200, THEN MOSTLY
CLOUDY (70-80%). NUMEROUS SHOWERS AND SCATTERED
THUNDERSTORMS AFTER 1200.
CHC OF LIGHTNING....50 PERCENT.
MAX TEMPERATURE.....62-72 F.
MIN HUMIDITY........30-40%.
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. 6500 FT AGL AFTER 1000.
TRANSPORT WINDS.....SOUTH 10 TO 15 MPH.
SMOKE DISPERSAL.....POOR UNTIL 0900, THEN GOOD UNTIL 1200, THEN
VERY GOOD UNTIL 1500, THEN GOOD.
TUESDAY NIGHT
SKY/WEATHER.........MOSTLY CLOUDY (70-80%). NUMEROUS SHOWERS AND
ISOLATED THUNDERSTORMS.
CHC OF LIGHTNING....20 PERCENT.
MIN TEMPERATURE.....41-51 F.
MAX HUMIDITY........76-91%.
20-FOOT WINDS.......UPSLOPE/UPVALLEY 4 TO 8 MPH BECOMING
DOWNSLOPE/DOWNVALLEY 3 TO 6 MPH BY SUNSET.
CWR.................40 PERCENT.
15K FT MSL WINDS....SOUTHWEST 10 TO 15 MPH DECREASING TO 5 TO 10
MPH AFTER MIDNIGHT.
MIXING HEIGHT.......3000 FT AGL UNTIL 2000, THEN 1000 FT AGL.
TRANSPORT WINDS.....SOUTH 5 TO 10 MPH.
SMOKE DISPERSAL.....POOR.
WEDNESDAY
SKY/WEATHER.........CLOUDY (80-90%). SCATTERED SHOWERS. SCATTERED
THUNDERSTORMS AFTER 1200.
CHC OF LIGHTNING....50 PERCENT.
MAX TEMPERATURE.....56-66 F.
MIN HUMIDITY........46-56%.
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....NORTHEAST 5 TO 10 MPH.
MIXING HEIGHT.......2000 FT AGL UNTIL 1100, THEN 5000 FT AGL.
TRANSPORT WINDS.....SOUTH 5 MPH UNTIL 1200, THEN NORTH.
SMOKE DISPERSAL.....POOR.
FORECAST FOR DAY 3 THROUGH 7
THURSDAY
MOSTLY CLOUDY. SCATTERED SHOWERS AND THUNDERSTORMS.
LOWS 42-52. HIGHS 59-69. WINDS LESS THAN 15 MPH.
FRIDAY
MOSTLY CLOUDY. SCATTERED SHOWERS AND THUNDERSTORMS.
LOWS 41-51. HIGHS 59-69. WINDS LESS THAN 15 MPH.
SATURDAY
PARTLY CLOUDY. ISOLATED SHOWERS AND THUNDERSTORMS.
LOWS 39-49. HIGHS 62-72. WINDS LESS THAN 15 MPH.
SUNDAY
PARTLY CLOUDY. SCATTERED SHOWERS AND ISOLATED
THUNDERSTORMS. LOWS 41-51. HIGHS 61-71.
MONDAY
MOSTLY CLOUDY. NUMEROUS SHOWERS AND SCATTERED
THUNDERSTORMS. LOWS 42-52. HIGHS 58-68.
COZ292-221345-
NORTH FORK FORECAST AREA-
332 PM MDT MON SEP 21 2026
TONIGHT
SKY/WEATHER.........MOSTLY CLOUDY (60-70%) UNTIL 2400, THEN PARTLY
CLOUDY (40-50%).
CHC OF LIGHTNING....0 PERCENT.
MIN TEMPERATURE.....45-55 F.
MAX HUMIDITY........48-58%.
20-FOOT WINDS.......UPSLOPE/UPVALLEY 4 TO 8 MPH BECOMING
DOWNSLOPE/DOWNVALLEY 3 TO 6 MPH BY SUNSET.
CWR.................0 PERCENT.
15K FT MSL WINDS....SOUTHWEST 15 TO 20 MPH INCREASING TO 20 TO 25
MPH AFTER MIDNIGHT.
MIXING HEIGHT.......4500 FT AGL UNTIL 1900, THEN 1000 FT AGL.
TRANSPORT WINDS.....NORTH 5 MPH UNTIL 2400, THEN SOUTHEAST.
SMOKE DISPERSAL.....POOR.
TUESDAY
SKY/WEATHER.........MOSTLY SUNNY (10-20%) UNTIL 1200, THEN MOSTLY
CLOUDY (60-70%). SCATTERED SHOWERS AND
THUNDERSTORMS AFTER 1200.
CHC OF LIGHTNING....40 PERCENT.
MAX TEMPERATURE.....71-81 F NEAR 6000 FEET
62-72 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. 6500 FT AGL AFTER 1100.
TRANSPORT WINDS.....SOUTH 5 MPH.
SMOKE DISPERSAL.....POOR UNTIL 1200, THEN GOOD UNTIL 1500, THEN
FAIR.
TUESDAY NIGHT
SKY/WEATHER.........MOSTLY CLOUDY (70-80%). NUMEROUS SHOWERS AND
ISOLATED THUNDERSTORMS.
CHC OF LIGHTNING....20 PERCENT.
MIN TEMPERATURE.....46-56 F NEAR 6000 FEET
41-51 F NEAR 8000 FEET.
MAX HUMIDITY........72-87%.
20-FOOT WINDS.......DOWNSLOPE/DOWNVALLEY WINDS 3 TO 6 MPH.
LOCALIZED GUSTS UP TO 20 MPH IN THE EVENING.
CWR.................50 PERCENT.
15K FT MSL WINDS....SOUTHWEST 20 TO 25 MPH DECREASING TO 10 TO 15
MPH AFTER MIDNIGHT.
MIXING HEIGHT.......3500 FT AGL UNTIL 1900, THEN 1000 FT AGL.
TRANSPORT WINDS.....SOUTHEAST 5 MPH.
SMOKE DISPERSAL.....POOR.
WEDNESDAY
SKY/WEATHER.........MOSTLY CLOUDY (70-80%). SCATTERED SHOWERS.
ISOLATED THUNDERSTORMS AFTER 1200.
CHC OF LIGHTNING....20 PERCENT.
MAX TEMPERATURE.....66-76 F NEAR 6000 FEET
56-66 F NEAR 8000 FEET.
MIN HUMIDITY........37-47% NEAR 6000 FEET
44-54% 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....SOUTHEAST 5 TO 10 MPH SHIFTING TO THE NORTHEAST
IN THE AFTERNOON.
MIXING HEIGHT.......4500 FT AGL.
TRANSPORT WINDS.....SOUTHEAST 5 MPH UNTIL 1200, THEN NORTHWEST.
SMOKE DISPERSAL.....POOR.
FORECAST FOR DAY 3 THROUGH 7
THURSDAY
MOSTLY CLOUDY. SCATTERED SHOWERS AND THUNDERSTORMS.
LOWS 49-59. HIGHS 68-78. 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 68-78. WINDS LESS THAN 15 MPH.
SATURDAY
PARTLY CLOUDY. ISOLATED SHOWERS AND THUNDERSTORMS.
LOWS 46-56. HIGHS 71-81. WINDS LESS THAN 15 MPH.
SUNDAY
PARTLY CLOUDY. ISOLATED SHOWERS AND THUNDERSTORMS. LOWS
48-58. HIGHS 70-80.
MONDAY
PARTLY CLOUDY. SCATTERED SHOWERS AND ISOLATED
THUNDERSTORMS. LOWS 48-58. HIGHS 67-77.
COZ293-221345-
GUNNISON BASIN FORECAST AREA-
332 PM MDT MON SEP 21 2026
TONIGHT
SKY/WEATHER.........PARTLY CLOUDY (40-50%).
CHC OF LIGHTNING....0 PERCENT.
MIN TEMPERATURE.....40-50 F.
MAX HUMIDITY........53-63%.
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.....WEST 5 MPH UNTIL 2400, THEN SOUTHEAST.
SMOKE DISPERSAL.....POOR.
TUESDAY
SKY/WEATHER.........MOSTLY SUNNY (20-30%) UNTIL 1200, THEN MOSTLY
CLOUDY (60-70%). SCATTERED SHOWERS AND
THUNDERSTORMS AFTER 1200.
CHC OF LIGHTNING....40 PERCENT.
MAX TEMPERATURE.....63-73 F.
MIN HUMIDITY........30-40%.
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 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
FAIR.
TUESDAY NIGHT
SKY/WEATHER.........MOSTLY CLOUDY (70-80%). NUMEROUS SHOWERS AND
ISOLATED THUNDERSTORMS UNTIL 2400, THEN
SCATTERED SHOWERS.
CHC OF LIGHTNING....20 PERCENT.
MIN TEMPERATURE.....41-51 F.
MAX HUMIDITY........77-92%.
20-FOOT WINDS.......UPSLOPE/UPVALLEY 4 TO 8 MPH BECOMING
DOWNSLOPE/DOWNVALLEY 3 TO 6 MPH BY SUNSET.
CWR.................30 PERCENT.
15K FT MSL WINDS....SOUTHWEST 10 TO 15 MPH.
MIXING HEIGHT.......1000 FT AGL.
TRANSPORT WINDS.....SOUTHEAST 5 MPH.
SMOKE DISPERSAL.....POOR.
WEDNESDAY
SKY/WEATHER.........MOSTLY CLOUDY (70-80%). SCATTERED SHOWERS.
ISOLATED THUNDERSTORMS AFTER 1200.
CHC OF LIGHTNING....20 PERCENT.
MAX TEMPERATURE.....58-68 F.
MIN HUMIDITY........42-52%.
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....NORTHEAST 5 TO 10 MPH.
MIXING HEIGHT.......1500 FT AGL UNTIL 1100, THEN 4500 FT AGL.
TRANSPORT WINDS.....SOUTHEAST 5 MPH UNTIL 1200, THEN WEST.
SMOKE DISPERSAL.....POOR.
FORECAST FOR DAY 3 THROUGH 7
THURSDAY
MOSTLY CLOUDY. SCATTERED SHOWERS AND THUNDERSTORMS.
LOWS 41-51. HIGHS 59-69. WINDS LESS THAN 15 MPH.
FRIDAY
MOSTLY CLOUDY. SCATTERED SHOWERS AND THUNDERSTORMS.
LOWS 40-50. HIGHS 59-69. WINDS LESS THAN 15 MPH.
SATURDAY
PARTLY CLOUDY. ISOLATED SHOWERS AND THUNDERSTORMS.
LOWS 37-47. HIGHS 62-72. WINDS LESS THAN 15 MPH.
SUNDAY
PARTLY CLOUDY. ISOLATED SHOWERS AND THUNDERSTORMS. LOWS
39-49. HIGHS 61-71.
MONDAY
PARTLY CLOUDY. SCATTERED SHOWERS AND ISOLATED
THUNDERSTORMS. LOWS 39-49. HIGHS 58-68.
COZ207-221345-
SOUTHWEST COLORADO LOWER FORECAST AREA-
332 PM MDT MON SEP 21 2026
TONIGHT
SKY/WEATHER.........PARTLY CLOUDY (40-50%).
CHC OF LIGHTNING....0 PERCENT.
MIN TEMPERATURE.....50-60 F.
MAX HUMIDITY........51-61%.
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.......6500 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 (60-70%). NUMEROUS SHOWERS AND SCATTERED
THUNDERSTORMS AFTER 1200.
CHC OF LIGHTNING....50 PERCENT.
MAX TEMPERATURE.....74-84 F.
MIN HUMIDITY........24-34%.
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.................30 PERCENT.
15K FT MSL WINDS....SOUTHWEST 20 TO 25 MPH.
MIXING HEIGHT.......1000 FT AGL UNTIL 1000, THEN 7500 FT AGL.
TRANSPORT WINDS.....SOUTH 10 TO 15 MPH.
SMOKE DISPERSAL.....POOR UNTIL 0900. VERY GOOD AFTER 1200.
TUESDAY NIGHT
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.....50-60 F.
MAX HUMIDITY........77-92%.
20-FOOT WINDS.......SOUTHEAST WINDS 10 TO 15 MPH IN THE EVENING
BECOMING DOWNSLOPE/DOWNVALLEY 3 TO 6 MPH BY
SUNSET. LOCALIZED GUSTS UP TO 35 MPH.
CWR.................30 PERCENT.
15K FT MSL WINDS....SOUTHWEST 15 TO 20 MPH BECOMING WEST 5 TO 10
MPH AFTER MIDNIGHT.
MIXING HEIGHT.......4500 FT AGL UNTIL 1900, THEN 2500 FT AGL.
TRANSPORT WINDS.....SOUTHEAST 10 TO 15 MPH.
SMOKE DISPERSAL.....POOR.
WEDNESDAY
SKY/WEATHER.........MOSTLY CLOUDY (70-80%). SCATTERED SHOWERS.
SCATTERED THUNDERSTORMS AFTER 1200.
CHC OF LIGHTNING....40 PERCENT.
MAX TEMPERATURE.....67-77 F.
MIN HUMIDITY........41-51%.
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....NORTHEAST 5 TO 10 MPH.
MIXING HEIGHT.......6000 FT AGL.
TRANSPORT WINDS.....SOUTHEAST 5 TO 10 MPH.
SMOKE DISPERSAL.....POOR.
FORECAST FOR DAY 3 THROUGH 7
THURSDAY
MOSTLY CLOUDY. SCATTERED SHOWERS AND THUNDERSTORMS.
LOWS 47-57. HIGHS 68-78. WINDS LESS THAN 15 MPH.
FRIDAY
PARTLY CLOUDY. SCATTERED SHOWERS AND THUNDERSTORMS.
LOWS 47-57. HIGHS 69-79. WINDS LESS THAN 15 MPH.
SATURDAY
MOSTLY CLEAR. ISOLATED SHOWERS AND THUNDERSTORMS.
LOWS 46-56. HIGHS 71-81. WINDS LESS THAN 15 MPH.
SUNDAY
PARTLY CLOUDY. ISOLATED SHOWERS AND THUNDERSTORMS. LOWS
48-58. HIGHS 70-80.
MONDAY
PARTLY CLOUDY. SCATTERED SHOWERS AND ISOLATED
THUNDERSTORMS. LOWS 47-57. HIGHS 68-78.
COZ294-221345-
SOUTHWEST COLORADO UPPER WEST FORECAST AREA-
332 PM MDT MON SEP 21 2026
TONIGHT
SKY/WEATHER.........PARTLY CLOUDY (40-50%).
CHC OF LIGHTNING....0 PERCENT.
MIN TEMPERATURE.....45-55 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....SOUTH 15 TO 20 MPH INCREASING TO SOUTHWEST 20
TO 25 MPH AFTER MIDNIGHT.
MIXING HEIGHT.......6000 FT AGL UNTIL 1900. 500 FT AGL AFTER 2000.
TRANSPORT WINDS.....SOUTHEAST 5 TO 10 MPH.
SMOKE DISPERSAL.....POOR.
TUESDAY
SKY/WEATHER.........PARTLY CLOUDY (30-40%) UNTIL 1200, THEN MOSTLY
CLOUDY (70-80%). NUMEROUS SHOWERS AND SCATTERED
THUNDERSTORMS AFTER 1200.
CHC OF LIGHTNING....50 PERCENT.
MAX TEMPERATURE.....61-71 F.
MIN HUMIDITY........32-42%.
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.
MIXING HEIGHT.......2000 FT AGL UNTIL 1000, THEN 6500 FT AGL.
TRANSPORT WINDS.....SOUTH 10 TO 15 MPH.
SMOKE DISPERSAL.....POOR UNTIL 0900. VERY GOOD AFTER 1200.
TUESDAY NIGHT
SKY/WEATHER.........MOSTLY CLOUDY (70-80%). SCATTERED THUNDERSTORMS
UNTIL 2400. NUMEROUS SHOWERS. ISOLATED
THUNDERSTORMS AFTER 2400.
CHC OF LIGHTNING....50 PERCENT.
MIN TEMPERATURE.....43-53 F.
MAX HUMIDITY........84-99%.
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 15 TO 20 MPH DECREASING TO 5 TO 10
MPH AFTER MIDNIGHT.
MIXING HEIGHT.......2500 FT AGL UNTIL 2000, THEN 1500 FT AGL.
TRANSPORT WINDS.....SOUTHEAST 5 TO 10 MPH.
SMOKE DISPERSAL.....POOR.
WEDNESDAY
SKY/WEATHER.........MOSTLY CLOUDY (70-80%). SCATTERED SHOWERS.
SCATTERED THUNDERSTORMS AFTER 1200.
CHC OF LIGHTNING....50 PERCENT.
MAX TEMPERATURE.....54-64 F.
MIN HUMIDITY........51-61%.
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....NORTHEAST 5 TO 10 MPH.
MIXING HEIGHT.......5500 FT AGL.
TRANSPORT WINDS.....SOUTHEAST 5 TO 10 MPH UNTIL 1200, THEN
SOUTHWEST.
SMOKE DISPERSAL.....POOR.
FORECAST FOR DAY 3 THROUGH 7
THURSDAY
MOSTLY CLOUDY. SCATTERED SHOWERS AND THUNDERSTORMS.
LOWS 40-50. HIGHS 58-68. WINDS LESS THAN 15 MPH.
FRIDAY
MOSTLY CLOUDY. SCATTERED SHOWERS AND THUNDERSTORMS.
LOWS 40-50. HIGHS 58-68. WINDS LESS THAN 15 MPH.
SATURDAY
MOSTLY CLEAR. ISOLATED SHOWERS AND THUNDERSTORMS.
LOWS 38-48. HIGHS 60-70. WINDS LESS THAN 15 MPH.
SUNDAY
PARTLY CLOUDY. SCATTERED SHOWERS AND ISOLATED
THUNDERSTORMS. LOWS 41-51. HIGHS 60-70.
MONDAY
PARTLY CLOUDY. SCATTERED SHOWERS AND THUNDERSTORMS.
LOWS 41-51. HIGHS 57-67.
COZ295-221345-
SOUTHWEST COLORADO UPPER EAST FORECAST AREA-
332 PM MDT MON SEP 21 2026
TONIGHT
SKY/WEATHER.........MOSTLY CLOUDY (60-70%) UNTIL 2400, THEN PARTLY
CLOUDY (50-60%). ISOLATED SHOWERS AFTER 2400.
CHC OF LIGHTNING....0 PERCENT.
MIN TEMPERATURE.....41-51 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 10 TO 15 MPH INCREASING TO SOUTHWEST 20
TO 25 MPH AFTER MIDNIGHT.
MIXING HEIGHT.......3500 FT AGL UNTIL 2000, THEN 500 FT AGL.
TRANSPORT WINDS.....NORTHWEST 5 MPH UNTIL 2400, THEN EAST.
SMOKE DISPERSAL.....POOR.
TUESDAY
SKY/WEATHER.........PARTLY CLOUDY (50-60%) UNTIL 1200, THEN MOSTLY
CLOUDY (70-80%). ISOLATED SHOWERS UNTIL 1200,
THEN NUMEROUS SHOWERS AND SCATTERED
THUNDERSTORMS.
CHC OF LIGHTNING....50 PERCENT.
MAX TEMPERATURE.....62-72 F.
MIN HUMIDITY........39-49%.
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.......1500 FT AGL UNTIL 1000, THEN 5500 FT AGL UNTIL
1700, THEN 3500 FT AGL.
TRANSPORT WINDS.....SOUTHEAST 5 TO 10 MPH UNTIL 1200, THEN SOUTH.
SMOKE DISPERSAL.....POOR UNTIL 1200, THEN GOOD UNTIL 1500, THEN
FAIR.
TUESDAY NIGHT
SKY/WEATHER.........CLOUDY (80-90%). SCATTERED THUNDERSTORMS UNTIL
2400. SHOWERS. ISOLATED THUNDERSTORMS AFTER
2400.
CHC OF LIGHTNING....50 PERCENT.
MIN TEMPERATURE.....41-51 F.
MAX HUMIDITY........87-100%.
20-FOOT WINDS.......UPSLOPE/UPVALLEY 4 TO 8 MPH BECOMING
DOWNSLOPE/DOWNVALLEY 3 TO 6 MPH BY SUNSET.
CWR.................90 PERCENT.
15K FT MSL WINDS....SOUTH 10 TO 15 MPH.
MIXING HEIGHT.......1500 FT AGL.
TRANSPORT WINDS.....SOUTHEAST 5 MPH.
SMOKE DISPERSAL.....POOR.
WEDNESDAY
SKY/WEATHER.........CLOUDY (80-90%). SHOWERS AND ISOLATED
THUNDERSTORMS UNTIL 1200, THEN NUMEROUS SHOWERS
AND SCATTERED THUNDERSTORMS.
CHC OF LIGHTNING....50 PERCENT.
MAX TEMPERATURE.....53-63 F.
MIN HUMIDITY........60-75%.
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....SOUTH 15 TO 20 MPH.
MIXING HEIGHT.......2000 FT AGL.
TRANSPORT WINDS.....EAST 5 MPH.
SMOKE DISPERSAL.....POOR.
FORECAST FOR DAY 3 THROUGH 7
THURSDAY
NUMEROUS SHOWERS AND SCATTERED THUNDERSTORMS. LOWS
41-51. HIGHS 58-68. WINDS LESS THAN 15 MPH.
FRIDAY
NUMEROUS SHOWERS AND SCATTERED THUNDERSTORMS. LOWS
40-50. HIGHS 58-68. WINDS LESS THAN 15 MPH.
SATURDAY
PARTLY CLOUDY. ISOLATED SHOWERS AND THUNDERSTORMS.
LOWS 38-48. HIGHS 61-71. WINDS LESS THAN 15 MPH.
SUNDAY
PARTLY CLOUDY. SCATTERED SHOWERS AND THUNDERSTORMS.
LOWS 39-49. HIGHS 60-70.
MONDAY
PARTLY CLOUDY. SCATTERED SHOWERS AND THUNDERSTORMS.
LOWS 40-50. HIGHS 58-68.
UTZ485-221345-
EASTERN ASHLEY NATIONAL FOREST-
332 PM MDT MON SEP 21 2026
TONIGHT
SKY/WEATHER.........PARTLY CLOUDY (50-60%). ISOLATED SHOWERS AFTER
2400.
CHC OF LIGHTNING....0 PERCENT.
MIN TEMPERATURE.....44-54 F NEAR 7000 FEET
34-44 F NEAR 10000 FEET.
24 HR TREND......7 DEGREES WARMER.
MAX HUMIDITY........55-70% NEAR 7000 FEET
64-79% NEAR 10000 FEET.
24 HR TREND......9% DRIER.
20-FOOT WINDS.......UPSLOPE/UPVALLEY 4 TO 8 MPH BECOMING
DOWNSLOPE/DOWNVALLEY 3 TO 6 MPH BY SUNSET.
CWR.................10 PERCENT.
MIXING HEIGHT.......4500 FT AGL UNTIL 1900, THEN 1000 FT AGL.
TRANSPORT WINDS.....SOUTHWEST 5 MPH.
CLEARING INDEX......LESS THAN 500.
TUESDAY
SKY/WEATHER.........NEAR 7000 FEET, PARTLY CLOUDY (40-50%),
ISOLATED SHOWERS UNTIL 1200, SCATTERED SHOWERS
AND THUNDERSTORMS AFTER 1200. NEAR 10000 FEET,
PARTLY CLOUDY (50-60%) UNTIL 1200, THEN MOSTLY
CLOUDY (60-70%), SCATTERED SHOWERS UNTIL 1200,
THEN NUMEROUS SHOWERS AND SCATTERED
THUNDERSTORMS.
CHC OF LIGHTNING....40 PERCENT.
MAX TEMPERATURE.....62-72 F NEAR 7000 FEET
52-62 F NEAR 10000 FEET.
24 HR TREND......UNCHANGED.
MIN HUMIDITY........36-46% NEAR 7000 FEET
51-61% NEAR 10000 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 1100, THEN 5000 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 1100.
TUESDAY NIGHT
SKY/WEATHER.........MOSTLY CLOUDY (60-70%) UNTIL 2400, THEN PARTLY
CLOUDY (40-50%). SCATTERED SHOWERS AND ISOLATED
THUNDERSTORMS UNTIL 2400.
CHC OF LIGHTNING....20 PERCENT.
MIN TEMPERATURE.....39-49 F NEAR 7000 FEET
30-40 F NEAR 10000 FEET.
24 HR TREND......3 DEGREES COOLER.
MAX HUMIDITY........71-86% NEAR 7000 FEET
82-97% NEAR 10000 FEET.
24 HR TREND......24% WETTER.
20-FOOT WINDS.......DOWNSLOPE/DOWNVALLEY WINDS 3 TO 6 MPH.
LOCALIZED GUSTS UP TO 20 MPH IN THE EVENING.
CWR.................30 PERCENT.
MIXING HEIGHT.......2500 FT AGL UNTIL 2000, THEN 500 FT AGL.
TRANSPORT WINDS.....SOUTHWEST 5 MPH.
CLEARING INDEX......650 UNTIL 1900. LESS THAN 500 AFTER 2000.
WEDNESDAY
SKY/WEATHER.........PARTLY CLOUDY (30-40%). ISOLATED SHOWERS AND
THUNDERSTORMS AFTER 1200.
CHC OF LIGHTNING....10 PERCENT.
MAX TEMPERATURE.....61-71 F NEAR 7000 FEET
52-62 F NEAR 10000 FEET.
24 HR TREND......2 DEGREES COOLER.
MIN HUMIDITY........36-46% NEAR 7000 FEET
47-57% NEAR 10000 FEET.
24 HR TREND......UNCHANGED.
20-FOOT WINDS.......DOWNSLOPE/DOWNVALLEY 3 TO 6 MPH BECOMING
UPSLOPE/UPVALLEY 4 TO 8 MPH BY 1100.
CWR.................0 PERCENT.
MIXING HEIGHT.......2000 FT AGL UNTIL 1100, THEN 5500 FT AGL.
TRANSPORT WINDS.....WEST 5 MPH.
CLEARING INDEX......LESS THAN 500 UNTIL 1200, THEN 550.
FORECAST FOR DAY 3 THROUGH 7
THURSDAY
PARTLY CLOUDY. ISOLATED SHOWERS NEAR 10000 FEET.
LOWS 43-53. HIGHS 62-72. 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 63-73. WINDS LESS THAN 15 MPH.
SATURDAY
PARTLY CLOUDY. ISOLATED SHOWERS AND THUNDERSTORMS
NEAR 7000 FEET AND SCATTERED SHOWERS AND THUNDERSTORMS NEAR
10000 FEET. LOWS 44-54. HIGHS 64-74. WINDS LESS THAN 15 MPH.
SUNDAY
PARTLY CLOUDY. ISOLATED SHOWERS AND THUNDERSTORMS .
LOWS 45-55. HIGHS 63-73.
MONDAY
PARTLY CLOUDY. SCATTERED SHOWERS AND ISOLATED
THUNDERSTORMS. LOWS 43-53. HIGHS 59-69.
UTZ486-221345-
EASTERN UINTA BASIN-
332 PM MDT MON SEP 21 2026
TONIGHT
SKY/WEATHER.........PARTLY CLOUDY (50-60%). ISOLATED SHOWERS AFTER
2400.
CHC OF LIGHTNING....0 PERCENT.
MIN TEMPERATURE.....46-56 F NEAR 5000 FEET
38-48 F NEAR 8000 FEET.
24 HR TREND......6 DEGREES WARMER.
MAX HUMIDITY........52-62%.
24 HR TREND......14% DRIER.
20-FOOT WINDS.......UPSLOPE/UPVALLEY 4 TO 8 MPH BECOMING
DOWNSLOPE/DOWNVALLEY 3 TO 6 MPH BY SUNSET.
CWR.................10 PERCENT.
MIXING HEIGHT.......4500 FT AGL UNTIL 1900, THEN 1000 FT AGL.
TRANSPORT WINDS.....NORTH 5 MPH.
CLEARING INDEX......LESS THAN 500.
TUESDAY
SKY/WEATHER.........PARTLY CLOUDY (40-50%). NEAR 5000 FEET,
ISOLATED SHOWERS UNTIL 1200, SCATTERED SHOWERS
AND ISOLATED THUNDERSTORMS AFTER 1200. NEAR
8000 FEET, SCATTERED SHOWERS UNTIL
1200, ISOLATED SHOWERS AND THUNDERSTORMS AFTER
1200.
CHC OF LIGHTNING....20 PERCENT.
MAX TEMPERATURE.....66-76 F NEAR 5000 FEET
56-66 F NEAR 8000 FEET.
24 HR TREND......UNCHANGED.
MIN HUMIDITY........32-42%.
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.......2500 FT AGL UNTIL 1200, THEN 5000 FT AGL.
TRANSPORT WINDS.....EAST 5 MPH UNTIL 1200, THEN SOUTHWEST 10 TO 15
MPH.
CLEARING INDEX......LESS THAN 500 UNTIL 1100. 1000 AFTER 1200.
TUESDAY NIGHT
SKY/WEATHER.........MOSTLY CLOUDY (70-80%) UNTIL 2400, THEN PARTLY
CLOUDY (40-50%). SCATTERED SHOWERS AND ISOLATED
THUNDERSTORMS UNTIL 2400. NEAR 5000 FEET,
ISOLATED SHOWERS AFTER 2400.
CHC OF LIGHTNING....20 PERCENT.
MIN TEMPERATURE.....42-52 F.
24 HR TREND......4 DEGREES COOLER.
MAX HUMIDITY........70-85%.
24 HR TREND......16% WETTER.
20-FOOT WINDS.......UPSLOPE/UPVALLEY 4 TO 8 MPH BECOMING
DOWNSLOPE/DOWNVALLEY 3 TO 6 MPH BY SUNSET.
CWR.................30 PERCENT.
MIXING HEIGHT.......1000 FT AGL.
TRANSPORT WINDS.....WEST 5 TO 10 MPH UNTIL 2400, THEN NORTHWEST.
CLEARING INDEX......600 UNTIL 1900, THEN LESS THAN 500.
WEDNESDAY
SKY/WEATHER.........PARTLY CLOUDY (40-50%).
CHC OF LIGHTNING....0 PERCENT.
MAX TEMPERATURE.....64-74 F NEAR 5000 FEET
54-64 F NEAR 8000 FEET.
24 HR TREND......UNCHANGED.
MIN HUMIDITY........31-41%.
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.......2000 FT AGL UNTIL 1100, THEN 5000 FT AGL.
TRANSPORT WINDS.....SOUTHWEST 5 MPH.
CLEARING INDEX......LESS THAN 500 UNTIL 1200, THEN 550.
FORECAST FOR DAY 3 THROUGH 7
THURSDAY
PARTLY CLOUDY. LOWS 47-57. HIGHS 66-76. WINDS LESS
THAN 15 MPH.
FRIDAY
PARTLY CLOUDY. ISOLATED SHOWERS AND THUNDERSTORMS .
LOWS 48-58. HIGHS 67-77. WINDS LESS THAN 15 MPH.
SATURDAY
PARTLY CLOUDY. ISOLATED SHOWERS AND THUNDERSTORMS.
LOWS 48-58. HIGHS 68-78. WINDS LESS THAN 15 MPH.
SUNDAY
PARTLY CLOUDY. ISOLATED SHOWERS AND THUNDERSTORMS .
LOWS 49-59. HIGHS 67-77.
MONDAY
PARTLY CLOUDY. SCATTERED SHOWERS AND ISOLATED
THUNDERSTORMS. LOWS 48-58. HIGHS 63-73.
UTZ487-221345-
BOOK CLIFFS-
332 PM MDT MON SEP 21 2026
TONIGHT
SKY/WEATHER.........NEAR 5000 FEET, PARTLY CLOUDY (50-60%),
ISOLATED SHOWERS AND THUNDERSTORMS AFTER 2400.
NEAR 8000 FEET, MOSTLY CLOUDY (60-70%) UNTIL
2400, THEN PARTLY CLOUDY (40-50%), ISOLATED
SHOWERS AFTER 2400.
CHC OF LIGHTNING....20 PERCENT.
MIN TEMPERATURE.....47-57 F NEAR 5000 FEET
43-53 F NEAR 8000 FEET.
24 HR TREND......7 DEGREES WARMER.
MAX HUMIDITY........51-61%.
24 HR TREND......21% 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, THEN 1000 FT AGL.
TRANSPORT WINDS.....SOUTHEAST 5 MPH.
CLEARING INDEX......LESS THAN 500.
TUESDAY
SKY/WEATHER.........PARTLY CLOUDY (30-40%). NEAR 5000 FEET,
ISOLATED SHOWERS UNTIL 1200, THEN 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
62-72 F NEAR 8000 FEET.
24 HR TREND......3 DEGREES WARMER.
MIN HUMIDITY........26-36%.
24 HR TREND......2% WETTER.
20-FOOT WINDS.......UPSLOPE/UPVALLEY WINDS 4 TO 8 MPH. LOCALIZED
GUSTS UP TO 30 MPH IN THE AFTERNOON.
CWR.................10 PERCENT.
MIXING HEIGHT.......2000 FT AGL UNTIL 1100, THEN 7500 FT AGL.
TRANSPORT WINDS.....SOUTH 5 TO 10 MPH UNTIL 1200, THEN SOUTHWEST 15
TO 20 MPH.
CLEARING INDEX......LESS THAN 500 UNTIL 1100, THEN 1050.
TUESDAY NIGHT
SKY/WEATHER.........MOSTLY CLOUDY (60-70%) UNTIL 2400, THEN PARTLY
CLOUDY (40-50%). NEAR 5000 FEET, NUMEROUS
SHOWERS AND ISOLATED THUNDERSTORMS UNTIL 2400.
NEAR 8000 FEET, SCATTERED SHOWERS AND ISOLATED
THUNDERSTORMS UNTIL 2400. ISOLATED SHOWERS
AFTER 2400.
CHC OF LIGHTNING....20 PERCENT.
MIN TEMPERATURE.....45-55 F.
24 HR TREND......3 DEGREES COOLER.
MAX HUMIDITY........74-89%.
24 HR TREND......27% WETTER.
20-FOOT WINDS.......DOWNSLOPE/DOWNVALLEY WINDS 3 TO 6 MPH.
LOCALIZED GUSTS UP TO 20 MPH IN THE EVENING.
CWR.................30 PERCENT.
MIXING HEIGHT.......4000 FT AGL UNTIL 1900, THEN 1000 FT AGL.
TRANSPORT WINDS.....NORTHWEST 5 TO 10 MPH UNTIL 2400, THEN SOUTH.
CLEARING INDEX......700 UNTIL 1900, THEN LESS THAN 500.
WEDNESDAY
SKY/WEATHER.........PARTLY CLOUDY (50-60%). ISOLATED SHOWERS AND
THUNDERSTORMS AFTER 1200.
CHC OF LIGHTNING....10 PERCENT.
MAX TEMPERATURE.....67-77 F NEAR 5000 FEET
60-70 F NEAR 8000 FEET.
24 HR TREND......3 DEGREES COOLER.
MIN HUMIDITY........31-41% NEAR 5000 FEET
37-47% NEAR 8000 FEET.
24 HR TREND......7% WETTER.
20-FOOT WINDS.......DOWNSLOPE/DOWNVALLEY 3 TO 6 MPH BECOMING
UPSLOPE/UPVALLEY 4 TO 8 MPH BY 1100.
CWR.................0 PERCENT.
MIXING HEIGHT.......2000 FT AGL UNTIL 1100, THEN 6500 FT AGL.
TRANSPORT WINDS.....SOUTHWEST 5 MPH UNTIL 1200, THEN NORTHWEST.
CLEARING INDEX......LESS THAN 500.
FORECAST FOR DAY 3 THROUGH 7
THURSDAY
PARTLY CLOUDY. ISOLATED SHOWERS AND THUNDERSTORMS .
LOWS 47-57. HIGHS 68-78. WINDS LESS THAN 15 MPH.
FRIDAY
PARTLY CLOUDY. ISOLATED SHOWERS AND THUNDERSTORMS NEAR
6000 FEET AND SCATTERED THUNDERSTORMS AND ISOLATED SHOWERS NEAR
8000 FEET. LOWS 47-57. HIGHS 69-79. WINDS LESS THAN 15 MPH.
SATURDAY
PARTLY CLOUDY. ISOLATED SHOWERS AND THUNDERSTORMS
NEAR 8000 FEET. LOWS 48-58. HIGHS 71-81. WINDS LESS THAN 15 MPH.
SUNDAY
PARTLY CLOUDY. ISOLATED SHOWERS AND THUNDERSTORMS .
LOWS 49-59. HIGHS 71-81.
MONDAY
PARTLY CLOUDY. SCATTERED SHOWERS AND ISOLATED
THUNDERSTORMS. LOWS 48-58. HIGHS 67-77.
UTZ490-221345-
COLORADO RIVER BASIN-
332 PM MDT MON SEP 21 2026
TONIGHT
SKY/WEATHER.........MOSTLY CLOUDY (60-70%) UNTIL 2400, THEN PARTLY
CLOUDY (40-50%). NEAR 5000 FEET, ISOLATED
SHOWERS AND THUNDERSTORMS AFTER 2400. NEAR 7000
FEET, ISOLATED SHOWERS AFTER 2400.
CHC OF LIGHTNING....10 PERCENT.
MIN TEMPERATURE.....54-64 F.
24 HR TREND......6 DEGREES WARMER.
MAX HUMIDITY........41-51%.
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.......8000 FT AGL UNTIL 1900. 500 FT AGL AFTER 2000.
TRANSPORT WINDS.....EAST 5 MPH.
CLEARING INDEX......550 UNTIL 1900, THEN LESS THAN 500.
TUESDAY
SKY/WEATHER.........MOSTLY SUNNY (20-30%) UNTIL 1200, THEN MOSTLY
CLOUDY (60-70%). ISOLATED SHOWERS UNTIL 1200.
SCATTERED SHOWERS AND THUNDERSTORMS AFTER 1200.
CHC OF LIGHTNING....40 PERCENT.
MAX TEMPERATURE.....78-88 F NEAR 5000 FEET
66-76 F NEAR 7000 FEET.
24 HR TREND......2 DEGREES WARMER.
MIN HUMIDITY........20-30% NEAR 5000 FEET
26-36% NEAR 7000 FEET.
24 HR TREND......6% 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 8000 FT AGL.
TRANSPORT WINDS.....SOUTHEAST 5 TO 10 MPH UNTIL 1200, THEN SOUTH.
CLEARING INDEX......LESS THAN 500 UNTIL 1100. 1050 AFTER 1200.
TUESDAY NIGHT
SKY/WEATHER.........PARTLY CLOUDY (50-60%) UNTIL 2400, THEN MOSTLY
CLOUDY (60-70%). NEAR 5000 FEET, SCATTERED
SHOWERS AND ISOLATED THUNDERSTORMS. NEAR 7000
FEET, SCATTERED SHOWERS UNTIL 2400. ISOLATED
THUNDERSTORMS. ISOLATED SHOWERS AFTER 2400.
CHC OF LIGHTNING....20 PERCENT.
MIN TEMPERATURE.....52-62 F.
24 HR TREND......1 DEGREE COOLER.
MAX HUMIDITY........62-77%.
24 HR TREND......23% WETTER.
20-FOOT WINDS.......DOWNSLOPE/DOWNVALLEY WINDS 3 TO 6 MPH.
LOCALIZED GUSTS UP TO 20 MPH IN THE EVENING.
CWR.................30 PERCENT.
MIXING HEIGHT.......5500 FT AGL UNTIL 1900. 1000 FT AGL AFTER 2000.
TRANSPORT WINDS.....EAST 5 MPH.
CLEARING INDEX......950 UNTIL 1900. LESS THAN 500 AFTER 2000.
WEDNESDAY
SKY/WEATHER.........NEAR 5000 FEET, MOSTLY CLOUDY (70-80%) UNTIL
1200, THEN PARTLY CLOUDY (50-60%). NEAR 7000
FEET, MOSTLY CLOUDY (70-80%). ISOLATED
SHOWERS. ISOLATED THUNDERSTORMS AFTER 1200.
CHC OF LIGHTNING....10 PERCENT.
MAX TEMPERATURE.....74-84 F NEAR 5000 FEET
62-72 F NEAR 7000 FEET.
24 HR TREND......3 DEGREES COOLER.
MIN HUMIDITY........27-37% NEAR 5000 FEET
33-43% NEAR 7000 FEET.
24 HR TREND......8% WETTER.
20-FOOT WINDS.......DOWNSLOPE/DOWNVALLEY 3 TO 6 MPH BECOMING
UPSLOPE/UPVALLEY 4 TO 8 MPH BY 1100.
CWR.................10 PERCENT.
MIXING HEIGHT.......2500 FT AGL UNTIL 1200, THEN 6500 FT AGL.
TRANSPORT WINDS.....EAST 5 MPH UNTIL 1200, THEN WEST.
CLEARING INDEX......LESS THAN 500.
FORECAST FOR DAY 3 THROUGH 7
THURSDAY
PARTLY CLOUDY. ISOLATED SHOWERS AND THUNDERSTORMS .
LOWS 53-63. HIGHS 74-84. WINDS LESS THAN 15 MPH.
FRIDAY
PARTLY CLOUDY. ISOLATED SHOWERS AND THUNDERSTORMS NEAR
5000 FEET AND SCATTERED THUNDERSTORMS AND ISOLATED SHOWERS NEAR
7000 FEET. LOWS 53-63. HIGHS 74-84. WINDS LESS THAN 15 MPH.
SATURDAY
MOSTLY CLEAR. ISOLATED SHOWERS AND THUNDERSTORMS .
LOWS 54-64. HIGHS 76-86. WINDS LESS THAN 15 MPH.
SUNDAY
PARTLY CLOUDY. ISOLATED SHOWERS AND THUNDERSTORMS .
LOWS 55-65. HIGHS 76-86.
MONDAY
PARTLY CLOUDY. SCATTERED SHOWERS AND ISOLATED
THUNDERSTORMS NEAR 5000 FEET AND SCATTERED SHOWERS AND ISOLATED
THUNDERSTORMS NEAR 7000 FEET. LOWS 54-64. HIGHS 72-82.
UTZ491-221345-
SOUTHEAST UTAH-
332 PM MDT MON SEP 21 2026
TONIGHT
SKY/WEATHER.........NEAR 5000 FEET, PARTLY CLOUDY (50-60%). NEAR
8000 FEET, MOSTLY CLOUDY (60-70%) UNTIL 2400,
THEN PARTLY CLOUDY (30-40%).
CHC OF LIGHTNING....0 PERCENT.
MIN TEMPERATURE.....53-63 F NEAR 5000 FEET
47-57 F NEAR 8000 FEET.
24 HR TREND......5 DEGREES WARMER.
MAX HUMIDITY........47-57%.
24 HR TREND......5% WETTER.
20-FOOT WINDS.......UPSLOPE/UPVALLEY 4 TO 8 MPH BECOMING
DOWNSLOPE/DOWNVALLEY 3 TO 6 MPH BY SUNSET.
CWR.................0 PERCENT.
MIXING HEIGHT.......9000 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, PARTLY CLOUDY (30-40%) UNTIL
1200, THEN MOSTLY CLOUDY (60-70%). NEAR 8000
FEET, MOSTLY SUNNY (20-30%) UNTIL 1200, THEN
MOSTLY CLOUDY (70-80%). ISOLATED SHOWERS UNTIL
1200, THEN SCATTERED SHOWERS AND THUNDERSTORMS.
CHC OF LIGHTNING....50 PERCENT.
MAX TEMPERATURE.....76-86 F NEAR 5000 FEET
61-71 F NEAR 8000 FEET.
24 HR TREND......3 DEGREES WARMER.
MIN HUMIDITY........22-32% NEAR 5000 FEET
33-43% NEAR 8000 FEET.
24 HR TREND......7% WETTER.
20-FOOT WINDS.......DOWNSLOPE/DOWNVALLEY 3 TO 6 MPH BECOMING
UPSLOPE/UPVALLEY 4 TO 8 MPH BY 1100.
CWR.................30 PERCENT.
MIXING HEIGHT.......1000 FT AGL UNTIL 1000. 8000 FT AGL AFTER 1100.
TRANSPORT WINDS.....SOUTH 5 TO 10 MPH.
CLEARING INDEX......LESS THAN 500 UNTIL 1000. 1050 AFTER 1100.
TUESDAY NIGHT
SKY/WEATHER.........MOSTLY CLOUDY (60-70%). NEAR 5000 FEET,
ISOLATED THUNDERSTORMS UNTIL 2400. SCATTERED
SHOWERS. NEAR 8000 FEET, NUMEROUS SHOWERS
UNTIL 2400. ISOLATED THUNDERSTORMS. SCATTERED
SHOWERS AFTER 2400.
CHC OF LIGHTNING....20 PERCENT.
MIN TEMPERATURE.....53-63 F NEAR 5000 FEET
44-54 F NEAR 8000 FEET.
24 HR TREND......1 DEGREE WARMER.
MAX HUMIDITY........66-81% NEAR 5000 FEET
76-91% NEAR 8000 FEET.
24 HR TREND......26% WETTER.
20-FOOT WINDS.......UPSLOPE/UPVALLEY 4 TO 8 MPH BECOMING
DOWNSLOPE/DOWNVALLEY 3 TO 6 MPH BY SUNSET.
CWR.................30 PERCENT.
MIXING HEIGHT.......5000 FT AGL UNTIL 1900, THEN 2000 FT AGL.
TRANSPORT WINDS.....SOUTHEAST 5 TO 10 MPH.
CLEARING INDEX......950 UNTIL 1900, THEN LESS THAN 500.
WEDNESDAY
SKY/WEATHER.........MOSTLY CLOUDY (70-80%). NEAR 5000 FEET,
SCATTERED SHOWERS UNTIL 1200, ISOLATED SHOWERS
AND THUNDERSTORMS AFTER 1200. NEAR 8000 FEET,
ISOLATED SHOWERS AND THUNDERSTORMS UNTIL 1200,
THEN SCATTERED SHOWERS AND THUNDERSTORMS.
CHC OF LIGHTNING....10 PERCENT.
MAX TEMPERATURE.....71-81 F NEAR 5000 FEET
56-66 F NEAR 8000 FEET.
24 HR TREND......6 DEGREES COOLER.
MIN HUMIDITY........34-44% NEAR 5000 FEET
46-56% NEAR 8000 FEET.
24 HR TREND......12% WETTER.
20-FOOT WINDS.......DOWNSLOPE/DOWNVALLEY 3 TO 6 MPH BECOMING
UPSLOPE/UPVALLEY 4 TO 8 MPH BY 1100.
CWR.................20 PERCENT.
MIXING HEIGHT.......3000 FT AGL UNTIL 1200, THEN 7500 FT AGL.
TRANSPORT WINDS.....EAST 5 TO 10 MPH.
CLEARING INDEX......650.
FORECAST FOR DAY 3 THROUGH 7
THURSDAY
PARTLY CLOUDY. ISOLATED SHOWERS AND THUNDERSTORMS
NEAR 5000 FEET AND SCATTERED SHOWERS AND THUNDERSTORMS NEAR
8000 FEET. LOWS 53-63. HIGHS 72-82. 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 53-63. HIGHS 73-83. WINDS
LESS THAN 15 MPH.
SATURDAY
MOSTLY CLEAR. ISOLATED SHOWERS AND THUNDERSTORMS NEAR
8000 FEET. LOWS 53-63. HIGHS 75-85. WINDS LESS THAN 15 MPH.
SUNDAY
PARTLY CLOUDY. ISOLATED SHOWERS AND THUNDERSTORMS .
LOWS 55-65. HIGHS 74-84.
MONDAY
PARTLY CLOUDY. SCATTERED SHOWERS AND ISOLATED
THUNDERSTORMS NEAR 5000 FEET AND SCATTERED SHOWERS AND ISOLATED
THUNDERSTORMS NEAR 8000 FEET. LOWS 54-64. HIGHS 72-82.
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