736
FNUS55 KGJT 211150
FWFGJT
FIRE WEATHER PLANNING FORECAST FOR WRN COLORADO AND ERN UTAH
NATIONAL WEATHER SERVICE GRAND JUNCTION CO
550 AM MDT THU MAY 21 2026
...RED FLAG WARNING IN EFFECT FROM 1 PM UNTIL 7 PM MDT THIS
EVENING FOR GUSTY WINDS, LOW HUMIDITY AND DRY FUELS FOR COLORADO
FIRE WEATHER ZONES 207 AND 290, AS WELL AS UTAH FIRE WEATHER ZONE
490...
DISCUSSION
CRITICAL FIRE WEATHER CONDITIONS WILL CONTINUE ACROSS PORTIONS OF
EASTERN UT AND SOUTHWEST CO TODAY THROUGH SATURDAY. A PASSING
FRONT WILL PRODUCE SHOWERS AND THUNDERSTORMS FOR NORTHEAST UT AND
NORTHWEST CO TODAY, INCLUDING WETTING RAINS. WINDS WILL SHIFT TO
THE NORTHWEST THIS EVENING BEHIND THE FRONT. WARMER DRIER
CONDITIONS RETURN THIS WEEKEND, BUT WINDS REMAIN LIGHT SUNDAY
THROUGH TUESDAY, BEFORE WIDESPREAD CRITICAL FIRE WEATHER
CONDITIONS POTENTIALLY RETURN ON WEDNESDAY.
...GUSTY ERRATIC WINDS CAN BE EXPECTED NEAR ANY SHOWERS
OR THUNDERSTORMS...
..THE SMOKE DATA IS CALCULATED FROM AN AVERAGE AT 6000 FEET MSL
COZ200-220400-
LITTLE SNAKE FORECAST AREA-
550 AM MDT THU MAY 21 2026
TODAY
SKY/WEATHER.........NEAR 6000 FEET, PARTLY CLOUDY (50-60%) UNTIL
1200, THEN MOSTLY CLOUDY (60-70%), ISOLATED
SHOWERS UNTIL 1200, THEN SCATTERED SHOWERS AND
THUNDERSTORMS. NEAR 8000 FEET, MOSTLY CLOUDY
(60-70%), SCATTERED SHOWERS UNTIL 1200, NUMEROUS
SHOWERS AND SCATTERED THUNDERSTORMS AFTER 1200.
CHC OF LIGHTNING....50 PERCENT.
MAX TEMPERATURE.....55-65 F NEAR 6000 FEET
43-53 F NEAR 8000 FEET.
MIN HUMIDITY........27-37% NEAR 6000 FEET
37-47% NEAR 8000 FEET.
20-FOOT WINDS.......DOWNSLOPE/DOWNVALLEY WINDS 4 TO 8 MPH BECOMING
WEST 10 TO 15 MPH WITH GUSTS TO 30 MPH IN THE
AFTERNOON.
CWR.................30 PERCENT.
15K FT MSL WINDS....WEST 20 TO 30 MPH INCREASING TO 30 TO 40 MPH IN
THE AFTERNOON.
MIXING HEIGHT.......1500 FT AGL UNTIL 0900, THEN 7000 FT AGL.
TRANSPORT WINDS.....SOUTHWEST 5 TO 10 MPH UNTIL 1200, THEN WEST 20
TO 25 MPH.
SMOKE DISPERSAL.....POOR UNTIL 0900, THEN FAIR UNTIL 1200, THEN
EXCELLENT UNTIL 1500, THEN GOOD.
TONIGHT
SKY/WEATHER.........PARTLY CLOUDY (50-60%). ISOLATED SHOWERS AND
THUNDERSTORMS UNTIL 2400.
CHC OF LIGHTNING....20 PERCENT.
MIN TEMPERATURE.....28-38 F.
MAX HUMIDITY........79-94%.
20-FOOT WINDS.......UPSLOPE/UPVALLEY 4 TO 8 MPH BECOMING
DOWNSLOPE/DOWNVALLEY 3 TO 6 MPH BY SUNSET.
CWR.................10 PERCENT.
15K FT MSL WINDS....WEST 25 TO 35 MPH BECOMING NORTHWEST 20 TO 25
MPH AFTER MIDNIGHT.
MIXING HEIGHT.......4500 FT AGL UNTIL 2100, THEN 1500 FT AGL.
TRANSPORT WINDS.....NORTH 5 TO 10 MPH.
SMOKE DISPERSAL.....FAIR UNTIL 2100, THEN POOR.
FRIDAY
SKY/WEATHER.........NEAR 6000 FEET, PARTLY CLOUDY (50-60%) UNTIL
1200, THEN MOSTLY CLOUDY (60-70%). NEAR 8000
FEET, PARTLY CLOUDY (40-50%).
CHC OF LIGHTNING....0 PERCENT.
MAX TEMPERATURE.....54-64 F NEAR 6000 FEET
44-54 F NEAR 8000 FEET.
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.......7000 FT AGL.
TRANSPORT WINDS.....NORTHEAST 5 MPH UNTIL 1200, THEN NORTHWEST.
SMOKE DISPERSAL.....POOR.
FORECAST FOR DAY 3 THROUGH 7
SATURDAY
MOSTLY CLEAR. LOWS 33-43. HIGHS 66-76. WINDS LESS
THAN 15 MPH.
SUNDAY
MOSTLY CLEAR. ISOLATED SHOWERS AND THUNDERSTORMS. LOWS
38-48. HIGHS 73-83. WINDS LESS THAN 15 MPH.
MEMORIAL DAY
MOSTLY CLEAR. ISOLATED SHOWERS AND THUNDERSTORMS.
LOWS 41-51. HIGHS 75-85. WINDS LESS THAN 15 MPH.
TUESDAY
PARTLY CLOUDY. ISOLATED SHOWERS AND THUNDERSTORMS.
LOWS 43-53. HIGHS 69-79.
WEDNESDAY
PARTLY CLOUDY. ISOLATED SHOWERS AND THUNDERSTORMS.
LOWS 40-50. HIGHS 72-82.
COZ201-220400-
ROUTT FORECAST AREA-
550 AM MDT THU MAY 21 2026
TODAY
SKY/WEATHER.........PARTLY CLOUDY (50-60%) UNTIL 1200, THEN MOSTLY
CLOUDY (60-70%). NUMEROUS SHOWERS AND SCATTERED
THUNDERSTORMS AFTER 1200.
CHC OF LIGHTNING....50 PERCENT.
MAX TEMPERATURE.....50-60 F.
MIN HUMIDITY........27-37%.
20-FOOT WINDS.......DOWNSLOPE/DOWNVALLEY WINDS 4 TO 8 MPH BECOMING
WEST 10 TO 15 MPH IN THE AFTERNOON. LOCALIZED
GUSTS UP TO 30 MPH.
CWR.................50 PERCENT.
15K FT MSL WINDS....WEST 20 TO 30 MPH INCREASING TO SOUTHWEST 25 TO
35 MPH IN THE AFTERNOON.
MIXING HEIGHT.......1000 FT AGL UNTIL 0900, THEN 7500 FT AGL.
TRANSPORT WINDS.....SOUTHWEST 10 TO 15 MPH UNTIL 1200, THEN WEST 20
TO 25 MPH.
SMOKE DISPERSAL.....POOR UNTIL 0900, THEN VERY GOOD UNTIL 1200,
THEN EXCELLENT UNTIL 1500, THEN GOOD.
TONIGHT
SKY/WEATHER.........PARTLY CLOUDY (50-60%). NUMEROUS SHOWERS AND
ISOLATED THUNDERSTORMS UNTIL 2400.
CHC OF LIGHTNING....20 PERCENT.
MIN TEMPERATURE.....23-33 F.
MAX HUMIDITY........83-98%.
20-FOOT WINDS.......DOWNSLOPE/DOWNVALLEY WINDS 3 TO 6 MPH.
LOCALIZED GUSTS UP TO 25 MPH IN THE EVENING.
CWR.................30 PERCENT.
15K FT MSL WINDS....WEST 30 TO 40 MPH DECREASING TO 20 TO 30 MPH
AFTER MIDNIGHT.
MIXING HEIGHT.......2000 FT AGL.
TRANSPORT WINDS.....NORTHWEST 5 TO 10 MPH.
SMOKE DISPERSAL.....POOR.
FRIDAY
SKY/WEATHER.........PARTLY CLOUDY (50-60%). ISOLATED SHOWERS AND
THUNDERSTORMS AFTER 1200.
CHC OF LIGHTNING....10 PERCENT.
MAX TEMPERATURE.....47-57 F.
MIN HUMIDITY........29-39%.
20-FOOT WINDS.......UPSLOPE/UPVALLEY WINDS 4 TO 8 MPH. LOCALIZED
GUSTS UP TO 20 MPH IN THE AFTERNOON.
CWR.................10 PERCENT.
15K FT MSL WINDS....WEST 15 TO 20 MPH.
MIXING HEIGHT.......6500 FT AGL.
TRANSPORT WINDS.....NORTHWEST 5 MPH.
SMOKE DISPERSAL.....POOR UNTIL 0900. FAIR AFTER 1200.
FORECAST FOR DAY 3 THROUGH 7
SATURDAY
PARTLY CLOUDY. ISOLATED SHOWERS AND THUNDERSTORMS.
LOWS 28-38. HIGHS 55-65. WEST WINDS 10 TO 20 MPH WITH GUSTS TO
30 MPH.
SUNDAY
MOSTLY CLEAR. ISOLATED SHOWERS AND THUNDERSTORMS. LOWS
32-42. HIGHS 63-73. WINDS LESS THAN 15 MPH.
MEMORIAL DAY
MOSTLY CLEAR. ISOLATED SHOWERS AND THUNDERSTORMS.
LOWS 36-46. HIGHS 66-76. WINDS LESS THAN 15 MPH.
TUESDAY
PARTLY CLOUDY. NUMEROUS SHOWERS AND SCATTERED
THUNDERSTORMS. LOWS 39-49. HIGHS 60-70.
WEDNESDAY
PARTLY CLOUDY. SCATTERED SHOWERS AND ISOLATED
THUNDERSTORMS. LOWS 36-46. HIGHS 64-74.
COZ202-220400-
WHITE RIVER FORECAST AREA-
550 AM MDT THU MAY 21 2026
TODAY
SKY/WEATHER.........NEAR 6000 FEET, PARTLY CLOUDY (50-60%). NEAR
8000 FEET, PARTLY CLOUDY (40-50%) UNTIL 1200,
THEN MOSTLY CLOUDY (60-70%). SCATTERED SHOWERS
AND THUNDERSTORMS AFTER 1200.
CHC OF LIGHTNING....40 PERCENT.
MAX TEMPERATURE.....57-67 F NEAR 6000 FEET
49-59 F NEAR 8000 FEET.
MIN HUMIDITY........21-31%.
20-FOOT WINDS.......DOWNSLOPE/DOWNVALLEY WINDS 4 TO 8 MPH BECOMING
WEST 10 TO 15 MPH WITH GUSTS TO 30 MPH IN THE
AFTERNOON.
CWR.................10 PERCENT.
15K FT MSL WINDS....WEST 20 TO 30 MPH INCREASING TO 25 TO 35 MPH IN
THE AFTERNOON.
MIXING HEIGHT.......1000 FT AGL UNTIL 0900, THEN 8500 FT AGL.
TRANSPORT WINDS.....SOUTHWEST 5 TO 10 MPH UNTIL 1200, THEN WEST 20
TO 25 MPH.
SMOKE DISPERSAL.....POOR UNTIL 0900, THEN GOOD UNTIL 1200, THEN
EXCELLENT UNTIL 1500, THEN VERY GOOD.
TONIGHT
SKY/WEATHER.........PARTLY CLOUDY (50-60%). NEAR 6000 FEET,
SCATTERED SHOWERS AND ISOLATED THUNDERSTORMS
UNTIL 2400. NEAR 8000 FEET, NUMEROUS SHOWERS
AND ISOLATED THUNDERSTORMS UNTIL 2400.
CHC OF LIGHTNING....20 PERCENT.
MIN TEMPERATURE.....27-37 F.
MAX HUMIDITY........81-96%.
20-FOOT WINDS.......UPSLOPE/UPVALLEY 4 TO 8 MPH BECOMING
DOWNSLOPE/DOWNVALLEY 3 TO 6 MPH BY SUNSET.
CWR.................10 PERCENT.
15K FT MSL WINDS....WEST 30 TO 40 MPH BECOMING NORTHWEST 20 TO 30
MPH AFTER MIDNIGHT.
MIXING HEIGHT.......6500 FT AGL UNTIL 2000, THEN 1500 FT AGL.
TRANSPORT WINDS.....NORTH 5 TO 10 MPH.
SMOKE DISPERSAL.....GOOD UNTIL 2100, THEN POOR.
FRIDAY
SKY/WEATHER.........NEAR 6000 FEET, PARTLY CLOUDY (50-60%) UNTIL
1200, THEN MOSTLY CLOUDY (70-80%). NEAR 8000
FEET, MOSTLY CLOUDY (60-70%).
CHC OF LIGHTNING....0 PERCENT.
MAX TEMPERATURE.....54-64 F NEAR 6000 FEET
46-56 F NEAR 8000 FEET.
MIN HUMIDITY........18-28% NEAR 6000 FEET
25-35% 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 15 TO 20 MPH.
MIXING HEIGHT.......6500 FT AGL.
TRANSPORT WINDS.....NORTHEAST 5 TO 10 MPH UNTIL 1200, THEN
NORTHWEST.
SMOKE DISPERSAL.....POOR UNTIL 0900. FAIR AFTER 1500.
FORECAST FOR DAY 3 THROUGH 7
SATURDAY
WARMER. MOSTLY CLEAR. LOWS 33-43. HIGHS 67-77. WINDS
LESS THAN 15 MPH.
SUNDAY
CLEAR. ISOLATED SHOWERS AND THUNDERSTORMS NEAR
8000 FEET. LOWS 38-48. HIGHS 75-85. WINDS LESS THAN 15 MPH.
MEMORIAL DAY
MOSTLY CLEAR. ISOLATED SHOWERS NEAR 6000 FEET AND
ISOLATED SHOWERS AND THUNDERSTORMS NEAR 8000 FEET. LOWS 41-51.
HIGHS 77-87. WINDS LESS THAN 15 MPH.
TUESDAY
PARTLY CLOUDY. SCATTERED SHOWERS AND THUNDERSTORMS.
LOWS 44-54. HIGHS 70-80.
WEDNESDAY
PARTLY CLOUDY. ISOLATED SHOWERS AND THUNDERSTORMS.
LOWS 41-51. HIGHS 73-83.
COZ203-220400-
LOWER COLORADO RIVER-
550 AM MDT THU MAY 21 2026
TODAY
SKY/WEATHER.........MOSTLY SUNNY (10-20%) UNTIL 1200, THEN PARTLY
CLOUDY (30-40%). ISOLATED SHOWERS AND
THUNDERSTORMS AFTER 1200.
CHC OF LIGHTNING....10 PERCENT.
MAX TEMPERATURE.....64-74 F NEAR 6000 FEET
54-64 F NEAR 8000 FEET.
MIN HUMIDITY........14-24%.
20-FOOT WINDS.......DOWNSLOPE/DOWNVALLEY WINDS 4 TO 8 MPH BECOMING
WEST 10 TO 15 MPH WITH GUSTS TO 35 MPH IN THE
AFTERNOON.
CWR.................10 PERCENT.
15K FT MSL WINDS....WEST 20 TO 30 MPH.
MIXING HEIGHT.......2000 FT AGL UNTIL 1000, THEN 13000 FT AGL.
TRANSPORT WINDS.....SOUTH 5 TO 10 MPH UNTIL 1200, THEN WEST 20 TO
25 MPH.
SMOKE DISPERSAL.....POOR UNTIL 0900. EXCELLENT AFTER 1200.
TONIGHT
SKY/WEATHER.........PARTLY CLOUDY (40-50%). SCATTERED SHOWERS AND
ISOLATED THUNDERSTORMS UNTIL 2400.
CHC OF LIGHTNING....10 PERCENT.
MIN TEMPERATURE.....34-44 F NEAR 6000 FEET
28-38 F NEAR 8000 FEET.
MAX HUMIDITY........67-82%.
20-FOOT WINDS.......DOWNSLOPE/DOWNVALLEY WINDS 3 TO 6 MPH.
LOCALIZED GUSTS UP TO 40 MPH DECREASING TO 20
MPH AFTER MIDNIGHT.
CWR.................20 PERCENT.
15K FT MSL WINDS....WEST 30 TO 40 MPH.
MIXING HEIGHT.......10500 FT AGL UNTIL 2000. 1000 FT AGL AFTER
2100.
TRANSPORT WINDS.....NORTH 5 TO 10 MPH.
SMOKE DISPERSAL.....GOOD UNTIL 2100, THEN POOR.
FRIDAY
SKY/WEATHER.........PARTLY CLOUDY (40-50%) UNTIL 1200, THEN MOSTLY
CLOUDY (70-80%).
CHC OF LIGHTNING....0 PERCENT.
MAX TEMPERATURE.....60-70 F NEAR 6000 FEET
51-61 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 20 TO 30 MPH.
MIXING HEIGHT.......8000 FT AGL.
TRANSPORT WINDS.....NORTH 5 MPH UNTIL 1200, THEN WEST.
SMOKE DISPERSAL.....POOR UNTIL 0900. FAIR AFTER 1200.
FORECAST FOR DAY 3 THROUGH 7
SATURDAY
MOSTLY CLEAR. LOWS 39-49. HIGHS 69-79. WINDS LESS
THAN 15 MPH.
SUNDAY
CLEAR. LOWS 42-52. HIGHS 76-86. WINDS LESS THAN 15 MPH.
MEMORIAL DAY
MOSTLY CLEAR. ISOLATED SHOWERS AND THUNDERSTORMS.
LOWS 46-56. HIGHS 77-87. WINDS LESS THAN 15 MPH.
TUESDAY
PARTLY CLOUDY. SCATTERED SHOWERS AND THUNDERSTORMS.
LOWS 48-58. HIGHS 70-80.
WEDNESDAY
MOSTLY CLEAR. ISOLATED SHOWERS AND THUNDERSTORMS.
LOWS 44-54. HIGHS 74-84.
COZ205-220400-
COLORADO RIVER HEADWATERS-
550 AM MDT THU MAY 21 2026
TODAY
SKY/WEATHER.........MOSTLY SUNNY (20-30%) UNTIL 1200, THEN PARTLY
CLOUDY (50-60%). ISOLATED SHOWERS AND
THUNDERSTORMS AFTER 1200.
CHC OF LIGHTNING....20 PERCENT.
MAX TEMPERATURE.....56-66 F.
MIN HUMIDITY........19-29%.
20-FOOT WINDS.......DOWNSLOPE/DOWNVALLEY WINDS 4 TO 8 MPH BECOMING
WEST 10 TO 15 MPH WITH GUSTS TO 35 MPH IN THE
AFTERNOON.
CWR.................10 PERCENT.
15K FT MSL WINDS....WEST 20 TO 30 MPH INCREASING TO SOUTHWEST 25 TO
35 MPH IN THE AFTERNOON.
MIXING HEIGHT.......1500 FT AGL UNTIL 0900, THEN 10500 FT AGL.
TRANSPORT WINDS.....SOUTHWEST 10 TO 15 MPH UNTIL 1200, THEN WEST 20
TO 30 MPH.
SMOKE DISPERSAL.....POOR UNTIL 0900. EXCELLENT AFTER 1200.
TONIGHT
SKY/WEATHER.........PARTLY CLOUDY (40-50%). SCATTERED SHOWERS AND
ISOLATED THUNDERSTORMS UNTIL 2400, ISOLATED
SHOWERS AFTER 2400.
CHC OF LIGHTNING....20 PERCENT.
MIN TEMPERATURE.....26-36 F.
MAX HUMIDITY........77-92%.
20-FOOT WINDS.......DOWNSLOPE/DOWNVALLEY WINDS 3 TO 6 MPH.
LOCALIZED GUSTS UP TO 30 MPH IN THE EVENING.
CWR.................40 PERCENT.
15K FT MSL WINDS....WEST 30 TO 40 MPH.
MIXING HEIGHT.......5000 FT AGL UNTIL 2100, THEN 1000 FT AGL.
TRANSPORT WINDS.....WEST 10 TO 15 MPH UNTIL 2400, THEN 5 MPH.
SMOKE DISPERSAL.....GOOD UNTIL 2100, THEN POOR.
FRIDAY
SKY/WEATHER.........PARTLY CLOUDY (40-50%) UNTIL 1200, THEN MOSTLY
CLOUDY (70-80%).
CHC OF LIGHTNING....0 PERCENT.
MAX TEMPERATURE.....54-64 F.
MIN HUMIDITY........20-30%.
20-FOOT WINDS.......UPSLOPE/UPVALLEY WINDS 4 TO 8 MPH. LOCALIZED
GUSTS UP TO 25 MPH IN THE AFTERNOON.
CWR.................0 PERCENT.
15K FT MSL WINDS....WEST 20 TO 25 MPH.
MIXING HEIGHT.......7500 FT AGL.
TRANSPORT WINDS.....WEST 5 MPH UNTIL 1200, THEN 10 TO 15 MPH.
SMOKE DISPERSAL.....POOR UNTIL 0900. GOOD AFTER 1200.
FORECAST FOR DAY 3 THROUGH 7
SATURDAY
PARTLY CLOUDY. ISOLATED SHOWERS AND THUNDERSTORMS.
LOWS 31-41. HIGHS 59-69. WINDS LESS THAN 15 MPH.
SUNDAY
MOSTLY CLEAR. ISOLATED SHOWERS AND THUNDERSTORMS. LOWS
33-43. HIGHS 66-76. WINDS LESS THAN 15 MPH.
MEMORIAL DAY
MOSTLY CLEAR. ISOLATED SHOWERS AND THUNDERSTORMS.
LOWS 37-47. HIGHS 69-79. WINDS LESS THAN 15 MPH.
TUESDAY
PARTLY CLOUDY. NUMEROUS SHOWERS AND SCATTERED
THUNDERSTORMS. LOWS 38-48. HIGHS 62-72.
WEDNESDAY
PARTLY CLOUDY. ISOLATED SHOWERS AND THUNDERSTORMS.
LOWS 36-46. HIGHS 68-78.
COZ290-220400-
PARADOX VALLEY FORECAST AREA-
550 AM MDT THU MAY 21 2026
...RED FLAG WARNING IN EFFECT FROM 1 PM THIS AFTERNOON TO 7 PM
MDT THIS EVENING...
TODAY
SKY/WEATHER.........MOSTLY SUNNY (20-30%).
CHC OF LIGHTNING....0 PERCENT.
MAX TEMPERATURE.....66-76 F NEAR 6000 FEET
58-68 F NEAR 8000 FEET.
MIN HUMIDITY........11-16%.
20-FOOT WINDS.......DOWNSLOPE/DOWNVALLEY WINDS 4 TO 8 MPH BECOMING
WEST 10 TO 15 MPH WITH GUSTS TO 30 MPH IN THE
AFTERNOON.
CWR.................0 PERCENT.
15K FT MSL WINDS....WEST 20 TO 25 MPH.
MIXING HEIGHT.......1000 FT AGL UNTIL 0900. 13000 FT AGL AFTER
1000.
TRANSPORT WINDS.....SOUTH 5 TO 10 MPH UNTIL 1200, THEN WEST 20 TO
25 MPH.
SMOKE DISPERSAL.....POOR UNTIL 0900. EXCELLENT AFTER 1200.
TONIGHT
SKY/WEATHER.........PARTLY CLOUDY (30-40%).
CHC OF LIGHTNING....0 PERCENT.
MIN TEMPERATURE.....32-42 F NEAR 6000 FEET
30-40 F NEAR 8000 FEET.
MAX HUMIDITY........52-62% NEAR 6000 FEET
58-73% NEAR 8000 FEET.
20-FOOT WINDS.......DOWNSLOPE/DOWNVALLEY WINDS 3 TO 6 MPH.
LOCALIZED GUSTS UP TO 30 MPH DECREASING TO 20
MPH AFTER MIDNIGHT.
CWR.................0 PERCENT.
15K FT MSL WINDS....WEST 20 TO 30 MPH INCREASING TO 25 TO 35 MPH
AFTER MIDNIGHT.
MIXING HEIGHT.......12000 FT AGL UNTIL 2000, THEN 1000 FT AGL.
TRANSPORT WINDS.....NORTHWEST 10 TO 15 MPH UNTIL 2400, THEN NORTH.
SMOKE DISPERSAL.....VERY GOOD UNTIL 2100, THEN POOR.
FRIDAY
SKY/WEATHER.........PARTLY CLOUDY (30-40%) UNTIL 1200, THEN MOSTLY
CLOUDY (70-80%).
CHC OF LIGHTNING....0 PERCENT.
MAX TEMPERATURE.....62-72 F NEAR 6000 FEET
54-64 F NEAR 8000 FEET.
MIN HUMIDITY........12-22%.
20-FOOT WINDS.......UPSLOPE/UPVALLEY WINDS 4 TO 8 MPH. LOCALIZED
GUSTS UP TO 20 MPH IN THE AFTERNOON.
CWR.................0 PERCENT.
15K FT MSL WINDS....WEST 20 TO 30 MPH.
MIXING HEIGHT.......1000 FT AGL UNTIL 0900. 9000 FT AGL AFTER 1100.
TRANSPORT WINDS.....NORTHWEST 5 MPH.
SMOKE DISPERSAL.....POOR UNTIL 0900. GOOD AFTER 1200.
FORECAST FOR DAY 3 THROUGH 7
SATURDAY
PARTLY CLOUDY. LOWS 41-51. HIGHS 71-81. WINDS LESS
THAN 15 MPH.
SUNDAY
CLEAR. LOWS 43-53. HIGHS 77-87. WINDS LESS THAN 15 MPH.
MEMORIAL DAY
MOSTLY CLEAR. ISOLATED SHOWERS AND THUNDERSTORMS
NEAR 6000 FEET AND SCATTERED SHOWERS AND ISOLATED THUNDERSTORMS
NEAR 8000 FEET. LOWS 46-56. HIGHS 77-87. WINDS LESS THAN 15 MPH.
TUESDAY
PARTLY CLOUDY NEAR 6000 FEET AND MOSTLY CLOUDY NEAR
8000 FEET AND SCATTERED SHOWERS AND THUNDERSTORMS. LOWS 47-57.
HIGHS 71-81.
WEDNESDAY
MOSTLY CLEAR. LOWS 44-54. HIGHS 74-84.
COZ291-220400-
NORTHERN SAN JUAN FORECAST AREA-
550 AM MDT THU MAY 21 2026
TODAY
SKY/WEATHER.........MOSTLY SUNNY (20-30%) UNTIL 1200, THEN PARTLY
CLOUDY (30-40%).
CHC OF LIGHTNING....0 PERCENT.
MAX TEMPERATURE.....56-66 F.
MIN HUMIDITY........12-22%.
20-FOOT WINDS.......DOWNSLOPE/DOWNVALLEY WINDS 4 TO 8 MPH BECOMING
WEST 10 TO 15 MPH IN THE AFTERNOON. LOCALIZED
GUSTS UP TO 30 MPH.
CWR.................0 PERCENT.
15K FT MSL WINDS....WEST 20 TO 25 MPH.
MIXING HEIGHT.......500 FT AGL UNTIL 0800. 11500 FT AGL AFTER 0900.
TRANSPORT WINDS.....SOUTHWEST 10 TO 15 MPH UNTIL 1200, THEN WEST 20
TO 25 MPH.
SMOKE DISPERSAL.....POOR UNTIL 0900, THEN EXCELLENT.
TONIGHT
SKY/WEATHER.........PARTLY CLOUDY (30-40%).
CHC OF LIGHTNING....0 PERCENT.
MIN TEMPERATURE.....29-39 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....WEST 20 TO 30 MPH.
MIXING HEIGHT.......10000 FT AGL UNTIL 2000, THEN 1000 FT AGL.
TRANSPORT WINDS.....WEST 10 TO 15 MPH UNTIL 2400, THEN EAST 5 MPH.
SMOKE DISPERSAL.....VERY GOOD UNTIL 2100, THEN POOR.
FRIDAY
SKY/WEATHER.........PARTLY CLOUDY (30-40%) UNTIL 1200, THEN MOSTLY
CLOUDY (60-70%).
CHC OF LIGHTNING....0 PERCENT.
MAX TEMPERATURE.....53-63 F.
MIN HUMIDITY........16-26%.
20-FOOT WINDS.......UPSLOPE/UPVALLEY WINDS 4 TO 8 MPH. LOCALIZED
GUSTS UP TO 20 MPH IN THE AFTERNOON.
CWR.................0 PERCENT.
15K FT MSL WINDS....WEST 20 TO 30 MPH DECREASING TO 20 TO 25 MPH IN
THE AFTERNOON.
MIXING HEIGHT.......500 FT AGL UNTIL 0800, THEN 8500 FT AGL.
TRANSPORT WINDS.....WEST 5 TO 10 MPH UNTIL 1200, THEN 15 TO 20 MPH.
SMOKE DISPERSAL.....POOR UNTIL 0900. VERY GOOD AFTER 1200.
FORECAST FOR DAY 3 THROUGH 7
SATURDAY
PARTLY CLOUDY. LOWS 34-44. HIGHS 62-72. WINDS LESS
THAN 15 MPH.
SUNDAY
CLEAR. LOWS 35-45. HIGHS 68-78. WINDS LESS THAN 15 MPH.
MEMORIAL DAY
PARTLY CLOUDY. NUMEROUS SHOWERS AND SCATTERED
THUNDERSTORMS. LOWS 38-48. HIGHS 68-78. WINDS LESS THAN 15 MPH.
TUESDAY
MOSTLY CLOUDY. SCATTERED SHOWERS AND THUNDERSTORMS.
LOWS 39-49. HIGHS 61-71.
WEDNESDAY
MOSTLY CLEAR. ISOLATED SHOWERS. LOWS 36-46. HIGHS
66-76.
COZ292-220400-
NORTH FORK FORECAST AREA-
550 AM MDT THU MAY 21 2026
TODAY
SKY/WEATHER.........MOSTLY SUNNY (10-20%) UNTIL 1200, THEN PARTLY
CLOUDY (30-40%).
CHC OF LIGHTNING....0 PERCENT.
MAX TEMPERATURE.....63-73 F NEAR 6000 FEET
55-65 F NEAR 8000 FEET.
MIN HUMIDITY........11-21%.
20-FOOT WINDS.......DOWNSLOPE/DOWNVALLEY WINDS 4 TO 8 MPH BECOMING
WEST 10 TO 15 MPH WITH GUSTS TO 30 MPH IN THE
AFTERNOON.
CWR.................0 PERCENT.
15K FT MSL WINDS....WEST 20 TO 30 MPH.
MIXING HEIGHT.......1000 FT AGL UNTIL 0900. 13500 FT AGL AFTER
1000.
TRANSPORT WINDS.....SOUTH 5 TO 10 MPH UNTIL 1200, THEN WEST 20 TO
25 MPH.
SMOKE DISPERSAL.....POOR UNTIL 0900. EXCELLENT AFTER 1200.
TONIGHT
SKY/WEATHER.........PARTLY CLOUDY (30-40%). NEAR 8000 FEET,
ISOLATED SHOWERS UNTIL 2400.
CHC OF LIGHTNING....0 PERCENT.
MIN TEMPERATURE.....30-40 F NEAR 6000 FEET
28-38 F NEAR 8000 FEET.
MAX HUMIDITY........62-77%.
20-FOOT WINDS.......NORTHWEST WINDS 10 TO 15 MPH WITH GUSTS TO 30
MPH IN THE EVENING BECOMING
DOWNSLOPE/DOWNVALLEY 3 TO 6 MPH BY SUNSET.
CWR.................0 PERCENT.
15K FT MSL WINDS....WEST 25 TO 35 MPH INCREASING TO 30 TO 40 MPH
AFTER MIDNIGHT.
MIXING HEIGHT.......11500 FT AGL UNTIL 2000, THEN 1000 FT AGL.
TRANSPORT WINDS.....NORTHWEST 15 TO 20 MPH UNTIL 2400, THEN WEST 5
MPH.
SMOKE DISPERSAL.....VERY GOOD UNTIL 2100, THEN POOR.
FRIDAY
SKY/WEATHER.........PARTLY CLOUDY (40-50%) UNTIL 1200, THEN MOSTLY
CLOUDY (60-70%).
CHC OF LIGHTNING....0 PERCENT.
MAX TEMPERATURE.....63-73 F NEAR 6000 FEET
52-62 F NEAR 8000 FEET.
MIN HUMIDITY........14-24%.
20-FOOT WINDS.......UPSLOPE/UPVALLEY WINDS 4 TO 8 MPH. LOCALIZED
GUSTS UP TO 25 MPH IN THE AFTERNOON.
CWR.................0 PERCENT.
15K FT MSL WINDS....WEST 20 TO 30 MPH.
MIXING HEIGHT.......1500 FT AGL UNTIL 0900, THEN 7500 FT AGL.
TRANSPORT WINDS.....WEST 5 MPH.
SMOKE DISPERSAL.....POOR UNTIL 0900. GOOD AFTER 1500.
FORECAST FOR DAY 3 THROUGH 7
SATURDAY
PARTLY CLOUDY. LOWS 39-49. HIGHS 71-81. WINDS LESS
THAN 15 MPH.
SUNDAY
CLEAR. LOWS 41-51. HIGHS 78-88. WINDS LESS THAN 15 MPH.
MEMORIAL DAY
MOSTLY CLEAR. ISOLATED SHOWERS AND THUNDERSTORMS
NEAR 6000 FEET AND SCATTERED SHOWERS AND ISOLATED THUNDERSTORMS
NEAR 8000 FEET. LOWS 45-55. HIGHS 79-89. WINDS LESS THAN 15 MPH.
TUESDAY
MOSTLY CLOUDY. SCATTERED SHOWERS AND THUNDERSTORMS.
LOWS 46-56. HIGHS 71-81.
WEDNESDAY
MOSTLY CLEAR. ISOLATED SHOWERS AND THUNDERSTORMS.
LOWS 43-53. HIGHS 77-87.
COZ293-220400-
GUNNISON BASIN FORECAST AREA-
550 AM MDT THU MAY 21 2026
TODAY
SKY/WEATHER.........PARTLY CLOUDY (40-50%). ISOLATED SHOWERS AND
THUNDERSTORMS AFTER 1200.
CHC OF LIGHTNING....0 PERCENT.
MAX TEMPERATURE.....59-69 F.
MIN HUMIDITY........15-25%.
20-FOOT WINDS.......DOWNSLOPE/DOWNVALLEY WINDS 4 TO 8 MPH BECOMING
WEST 15 TO 20 MPH WITH GUSTS TO 35 MPH IN THE
AFTERNOON.
CWR.................0 PERCENT.
15K FT MSL WINDS....WEST 20 TO 30 MPH.
MIXING HEIGHT.......1500 FT AGL UNTIL 0900, THEN 12000 FT AGL.
TRANSPORT WINDS.....SOUTHWEST 5 TO 10 MPH UNTIL 1200, THEN WEST 20
TO 30 MPH.
SMOKE DISPERSAL.....POOR UNTIL 0900. EXCELLENT AFTER 1200.
TONIGHT
SKY/WEATHER.........PARTLY CLOUDY (40-50%). ISOLATED SHOWERS UNTIL
2400.
CHC OF LIGHTNING....0 PERCENT.
MIN TEMPERATURE.....28-38 F.
MAX HUMIDITY........68-83%.
20-FOOT WINDS.......WEST WINDS 10 TO 15 MPH WITH GUSTS TO 35 MPH IN
THE EVENING BECOMING DOWNSLOPE/DOWNVALLEY 3 TO
6 MPH BY SUNSET.
CWR.................20 PERCENT.
15K FT MSL WINDS....WEST 30 TO 40 MPH INCREASING TO 35 TO 45 MPH
AFTER MIDNIGHT.
MIXING HEIGHT.......10000 FT AGL UNTIL 2000, THEN 1000 FT AGL.
TRANSPORT WINDS.....WEST 15 TO 20 MPH UNTIL 2400, THEN NORTHWEST 5
TO 10 MPH.
SMOKE DISPERSAL.....VERY GOOD UNTIL 2100, THEN POOR.
FRIDAY
SKY/WEATHER.........PARTLY CLOUDY (30-40%) UNTIL 1200, THEN MOSTLY
CLOUDY (70-80%).
CHC OF LIGHTNING....0 PERCENT.
MAX TEMPERATURE.....58-68 F.
MIN HUMIDITY........15-25%.
20-FOOT WINDS.......DOWNSLOPE/DOWNVALLEY WINDS 4 TO 8 MPH BECOMING
WEST 10 TO 15 MPH WITH GUSTS TO 30 MPH IN THE
AFTERNOON.
CWR.................0 PERCENT.
15K FT MSL WINDS....WEST 25 TO 35 MPH DECREASING TO 20 TO 25 MPH IN
THE AFTERNOON.
MIXING HEIGHT.......6000 FT AGL UNTIL 1300, THEN 8500 FT AGL.
TRANSPORT WINDS.....WEST 5 TO 10 MPH UNTIL 1200, THEN 15 TO 20 MPH.
SMOKE DISPERSAL.....POOR UNTIL 0900. VERY GOOD AFTER 1200.
FORECAST FOR DAY 3 THROUGH 7
SATURDAY
PARTLY CLOUDY. ISOLATED SHOWERS. LOWS 32-42. HIGHS
61-71. WEST WINDS 10 TO 20 MPH WITH GUSTS TO 35 MPH.
SUNDAY
CLEAR. LOWS 32-42. HIGHS 68-78. WINDS LESS THAN 15 MPH.
MEMORIAL DAY
MOSTLY CLEAR. SCATTERED SHOWERS AND
THUNDERSTORMS. LOWS 36-46. HIGHS 68-78. WINDS LESS THAN 15 MPH.
TUESDAY
MOSTLY CLOUDY. NUMEROUS SHOWERS AND SCATTERED
THUNDERSTORMS. LOWS 37-47. HIGHS 61-71.
WEDNESDAY
PARTLY CLOUDY. ISOLATED SHOWERS AND THUNDERSTORMS.
LOWS 34-44. HIGHS 68-78.
COZ207-220400-
SOUTHWEST COLORADO LOWER FORECAST AREA-
550 AM MDT THU MAY 21 2026
...RED FLAG WARNING IN EFFECT FROM 1 PM THIS AFTERNOON TO 7 PM
MDT THIS EVENING...
TODAY
SKY/WEATHER.........MOSTLY SUNNY (10-20%) UNTIL 1200, THEN PARTLY
CLOUDY (30-40%).
CHC OF LIGHTNING....0 PERCENT.
MAX TEMPERATURE.....69-79 F.
MIN HUMIDITY........7-12%.
20-FOOT WINDS.......DOWNSLOPE/DOWNVALLEY WINDS 4 TO 8 MPH BECOMING
WEST 10 TO 15 MPH WITH GUSTS TO 35 MPH IN THE
AFTERNOON.
CWR.................0 PERCENT.
15K FT MSL WINDS....WEST 20 TO 25 MPH.
MIXING HEIGHT.......500 FT AGL UNTIL 0900. 13000 FT AGL AFTER 1000.
TRANSPORT WINDS.....SOUTH 5 TO 10 MPH UNTIL 1200, THEN WEST 15 TO
20 MPH.
SMOKE DISPERSAL.....POOR UNTIL 0900. EXCELLENT AFTER 1200.
TONIGHT
SKY/WEATHER.........PARTLY CLOUDY (30-40%) UNTIL 2400, THEN CLEAR
(0-10%).
CHC OF LIGHTNING....0 PERCENT.
MIN TEMPERATURE.....39-49 F.
MAX HUMIDITY........45-55%.
20-FOOT WINDS.......DOWNSLOPE/DOWNVALLEY WINDS 3 TO 6 MPH.
LOCALIZED GUSTS UP TO 30 MPH.
CWR.................0 PERCENT.
15K FT MSL WINDS....WEST 20 TO 25 MPH.
MIXING HEIGHT.......11500 FT AGL UNTIL 2000, THEN 1000 FT AGL.
TRANSPORT WINDS.....NORTHWEST 10 TO 15 MPH UNTIL 2400, THEN NORTH.
SMOKE DISPERSAL.....VERY GOOD UNTIL 2100, THEN POOR.
FRIDAY
SKY/WEATHER.........PARTLY CLOUDY (40-50%) UNTIL 1200, THEN MOSTLY
CLOUDY (60-70%).
CHC OF LIGHTNING....0 PERCENT.
MAX TEMPERATURE.....68-78 F.
MIN HUMIDITY........10-15%.
20-FOOT WINDS.......DOWNSLOPE/DOWNVALLEY WINDS 4 TO 8 MPH BECOMING
NORTHWEST 10 TO 15 MPH WITH GUSTS TO 30 MPH IN
THE AFTERNOON.
CWR.................0 PERCENT.
15K FT MSL WINDS....WEST 20 TO 25 MPH.
MIXING HEIGHT.......1500 FT AGL UNTIL 0900. 11000 FT AGL AFTER
1200.
TRANSPORT WINDS.....NORTHWEST 5 TO 10 MPH.
SMOKE DISPERSAL.....POOR UNTIL 0900. VERY GOOD AFTER 1200.
FORECAST FOR DAY 3 THROUGH 7
SATURDAY
PARTLY CLOUDY. LOWS 40-50. HIGHS 74-84. WINDS LESS
THAN 15 MPH.
SUNDAY
CLEAR. LOWS 41-51. HIGHS 79-89. WINDS LESS THAN 15 MPH.
MEMORIAL DAY
MOSTLY CLEAR. LOWS 44-54. HIGHS 79-89. SOUTHWEST
WINDS 10 TO 20 MPH WITH GUSTS TO 30 MPH.
TUESDAY
PARTLY CLOUDY. SCATTERED SHOWERS AND ISOLATED
THUNDERSTORMS. LOWS 44-54. HIGHS 73-83.
WEDNESDAY
MOSTLY CLEAR. LOWS 41-51. HIGHS 76-86.
COZ294-220400-
SOUTHWEST COLORADO UPPER WEST FORECAST AREA-
550 AM MDT THU MAY 21 2026
TODAY
SKY/WEATHER.........MOSTLY SUNNY (20-30%).
CHC OF LIGHTNING....0 PERCENT.
MAX TEMPERATURE.....55-65 F.
MIN HUMIDITY........12-17%.
20-FOOT WINDS.......DOWNSLOPE/DOWNVALLEY WINDS 4 TO 8 MPH BECOMING
SOUTHWEST 10 TO 15 MPH WITH GUSTS TO 35 MPH IN
THE AFTERNOON.
CWR.................0 PERCENT.
15K FT MSL WINDS....WEST 20 TO 25 MPH.
MIXING HEIGHT.......1500 FT AGL UNTIL 0900, THEN 12000 FT AGL.
TRANSPORT WINDS.....SOUTHWEST 5 TO 10 MPH UNTIL 1200, THEN WEST 15
TO 20 MPH.
SMOKE DISPERSAL.....POOR UNTIL 0900. EXCELLENT AFTER 1200.
TONIGHT
SKY/WEATHER.........PARTLY CLOUDY (30-40%) UNTIL 2400, THEN CLEAR
(0-10%).
CHC OF LIGHTNING....0 PERCENT.
MIN TEMPERATURE.....31-41 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....WEST 20 TO 25 MPH.
MIXING HEIGHT.......11000 FT AGL UNTIL 2000, THEN 1000 FT AGL.
TRANSPORT WINDS.....NORTHWEST 10 TO 15 MPH UNTIL 2400, THEN NORTH.
SMOKE DISPERSAL.....VERY GOOD UNTIL 2100, THEN POOR.
FRIDAY
SKY/WEATHER.........PARTLY CLOUDY (40-50%) UNTIL 1200, THEN MOSTLY
CLOUDY (70-80%).
CHC OF LIGHTNING....0 PERCENT.
MAX TEMPERATURE.....55-65 F.
MIN HUMIDITY........14-24%.
20-FOOT WINDS.......DOWNSLOPE/DOWNVALLEY 3 TO 6 MPH BECOMING
UPSLOPE/UPVALLEY 4 TO 8 MPH BY 1100.
CWR.................0 PERCENT.
15K FT MSL WINDS....WEST 20 TO 25 MPH DECREASING TO 15 TO 20 MPH IN
THE AFTERNOON.
MIXING HEIGHT.......500 FT AGL UNTIL 0800. 9500 FT AGL AFTER 0900.
TRANSPORT WINDS.....NORTHWEST 5 TO 10 MPH.
SMOKE DISPERSAL.....POOR UNTIL 0900. VERY GOOD AFTER 1200.
FORECAST FOR DAY 3 THROUGH 7
SATURDAY
PARTLY CLOUDY. LOWS 35-45. HIGHS 62-72. WINDS LESS
THAN 15 MPH.
SUNDAY
CLEAR. LOWS 36-46. HIGHS 67-77. WINDS LESS THAN 15 MPH.
MEMORIAL DAY
MOSTLY CLEAR. ISOLATED SHOWERS AND THUNDERSTORMS.
LOWS 39-49. HIGHS 67-77. WINDS LESS THAN 15 MPH.
TUESDAY
MOSTLY CLOUDY. SCATTERED SHOWERS AND THUNDERSTORMS.
LOWS 39-49. HIGHS 60-70.
WEDNESDAY
MOSTLY CLEAR. ISOLATED SHOWERS AND THUNDERSTORMS.
LOWS 37-47. HIGHS 64-74.
COZ295-220400-
SOUTHWEST COLORADO UPPER EAST FORECAST AREA-
550 AM MDT THU MAY 21 2026
TODAY
SKY/WEATHER.........MOSTLY SUNNY (20-30%).
CHC OF LIGHTNING....0 PERCENT.
MAX TEMPERATURE.....62-72 F.
MIN HUMIDITY........11-16%.
20-FOOT WINDS.......DOWNSLOPE/DOWNVALLEY WINDS 4 TO 8 MPH BECOMING
SOUTHWEST 10 TO 15 MPH WITH GUSTS TO 30 MPH IN
THE AFTERNOON.
CWR.................0 PERCENT.
15K FT MSL WINDS....WEST 20 TO 30 MPH DECREASING TO 20 TO 25 MPH IN
THE AFTERNOON.
MIXING HEIGHT.......1500 FT AGL UNTIL 0900, THEN 12000 FT AGL.
TRANSPORT WINDS.....WEST 5 TO 10 MPH UNTIL 1200, THEN 20 TO 25 MPH.
SMOKE DISPERSAL.....POOR UNTIL 0900. EXCELLENT AFTER 1200.
TONIGHT
SKY/WEATHER.........MOSTLY CLEAR (10-20%).
CHC OF LIGHTNING....0 PERCENT.
MIN TEMPERATURE.....32-42 F.
MAX HUMIDITY........45-55%.
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....WEST 20 TO 30 MPH.
MIXING HEIGHT.......10000 FT AGL UNTIL 2000, THEN 500 FT AGL.
TRANSPORT WINDS.....WEST 10 TO 15 MPH UNTIL 2400, THEN NORTH.
SMOKE DISPERSAL.....VERY GOOD UNTIL 2100, THEN POOR.
FRIDAY
SKY/WEATHER.........MOSTLY SUNNY (10-20%) UNTIL 1200, THEN PARTLY
CLOUDY (50-60%).
CHC OF LIGHTNING....0 PERCENT.
MAX TEMPERATURE.....63-73 F.
MIN HUMIDITY........12-22%.
20-FOOT WINDS.......UPSLOPE/UPVALLEY WINDS 4 TO 8 MPH. LOCALIZED
GUSTS UP TO 20 MPH INCREASING TO 30 MPH IN THE
AFTERNOON.
CWR.................0 PERCENT.
15K FT MSL WINDS....WEST 20 TO 25 MPH.
MIXING HEIGHT.......500 FT AGL UNTIL 0800. 11000 FT AGL AFTER 0900.
TRANSPORT WINDS.....WEST 5 TO 10 MPH UNTIL 1200, THEN 15 TO 20 MPH.
SMOKE DISPERSAL.....POOR UNTIL 0900. EXCELLENT AFTER 1200.
FORECAST FOR DAY 3 THROUGH 7
SATURDAY
PARTLY CLOUDY. ISOLATED SHOWERS AND THUNDERSTORMS.
LOWS 35-45. HIGHS 64-74. WINDS LESS THAN 15 MPH.
SUNDAY
CLEAR. ISOLATED SHOWERS. LOWS 34-44. HIGHS 69-79. WINDS
LESS THAN 15 MPH.
MEMORIAL DAY
MOSTLY CLEAR. ISOLATED SHOWERS AND THUNDERSTORMS.
LOWS 37-47. HIGHS 69-79. WINDS LESS THAN 15 MPH.
TUESDAY
NUMEROUS SHOWERS AND SCATTERED THUNDERSTORMS. LOWS
38-48. HIGHS 61-71.
WEDNESDAY
MOSTLY CLEAR. ISOLATED SHOWERS AND THUNDERSTORMS.
LOWS 34-44. HIGHS 66-76.
UTZ485-220400-
EASTERN ASHLEY NATIONAL FOREST-
550 AM MDT THU MAY 21 2026
TODAY
SKY/WEATHER.........NEAR 7000 FEET, MOSTLY CLOUDY (60-70%) UNTIL
1200, THEN PARTLY CLOUDY (50-60%), SCATTERED
SHOWERS. SCATTERED THUNDERSTORMS AFTER 1200.
NEAR 10000 FEET, MOSTLY CLOUDY (60-70%),
SCATTERED THUNDERSTORMS AND SNOW SHOWERS AFTER
1200. ISOLATED THUNDERSTORMS UNTIL 1200.
CHC OF LIGHTNING....50 PERCENT.
MAX TEMPERATURE.....47-57 F NEAR 7000 FEET
37-47 F NEAR 10000 FEET.
24 HR TREND......UNCHANGED.
MIN HUMIDITY........37-47%.
24 HR TREND......11% WETTER.
20-FOOT WINDS.......UPSLOPE/UPVALLEY WINDS 4 TO 8 MPH. LOCALIZED
GUSTS UP TO 20 MPH INCREASING TO 30 MPH IN THE
AFTERNOON.
CWR.................50 PERCENT.
MIXING HEIGHT.......2500 FT AGL UNTIL 1000, THEN 8500 FT AGL.
TRANSPORT WINDS.....WEST 5 TO 10 MPH UNTIL 1200, THEN 20 TO 25 MPH.
CLEARING INDEX......LESS THAN 500 UNTIL 0900. 1050 AFTER 1000.
TONIGHT
SKY/WEATHER.........PARTLY CLOUDY (30-40%). NEAR 7000 FEET,
SCATTERED SHOWERS AND ISOLATED THUNDERSTORMS
UNTIL 2400. NEAR 10000 FEET, ISOLATED
THUNDERSTORMS UNTIL 2400.
CHC OF LIGHTNING....20 PERCENT.
MIN TEMPERATURE.....26-36 F NEAR 7000 FEET
16-26 F NEAR 10000 FEET.
24 HR TREND......4 DEGREES COOLER.
MAX HUMIDITY........69-84%.
24 HR TREND......11% WETTER.
20-FOOT WINDS.......DOWNSLOPE/DOWNVALLEY WINDS 3 TO 6 MPH.
LOCALIZED GUSTS UP TO 30 MPH IN THE EVENING.
CWR.................20 PERCENT.
MIXING HEIGHT.......5000 FT AGL UNTIL 2000, THEN 1000 FT AGL.
TRANSPORT WINDS.....NORTHWEST 15 TO 20 MPH UNTIL 2400, THEN NORTH 5
TO 10 MPH.
CLEARING INDEX......950 UNTIL 2000, THEN LESS THAN 500.
FRIDAY
SKY/WEATHER.........NEAR 7000 FEET, PARTLY CLOUDY (40-50%),
ISOLATED SHOWERS AND THUNDERSTORMS AFTER 1200.
NEAR 10000 FEET, PARTLY CLOUDY (50-60%) UNTIL
1200, THEN MOSTLY CLOUDY (60-70%), SCATTERED
SNOW SHOWERS AND ISOLATED THUNDERSTORMS AFTER
1200.
CHC OF LIGHTNING....10 PERCENT.
MAX TEMPERATURE.....50-60 F NEAR 7000 FEET
40-50 F NEAR 10000 FEET.
24 HR TREND......UNCHANGED.
MIN HUMIDITY........28-38% NEAR 7000 FEET
36-46% NEAR 10000 FEET.
24 HR TREND......14% DRIER.
20-FOOT WINDS.......DOWNSLOPE/DOWNVALLEY 3 TO 6 MPH BECOMING
UPSLOPE/UPVALLEY 4 TO 8 MPH BY 1100.
CWR.................10 PERCENT.
MIXING HEIGHT.......6500 FT AGL.
TRANSPORT WINDS.....WEST 5 MPH.
CLEARING INDEX......LESS THAN 500 UNTIL 1300, THEN 650.
FORECAST FOR DAY 3 THROUGH 7
SATURDAY
WARMER. PARTLY CLOUDY. LOWS 33-43. HIGHS 61-71. WINDS
LESS THAN 15 MPH.
SUNDAY
MOSTLY CLEAR. SCATTERED SHOWERS AND THUNDERSTORMS .
LOWS 40-50. HIGHS 66-76. WINDS LESS THAN 15 MPH.
MEMORIAL DAY
PARTLY CLOUDY. ISOLATED SHOWERS AND THUNDERSTORMS
. LOWS 42-52. HIGHS 70-80. WINDS LESS THAN 15 MPH.
TUESDAY
PARTLY CLOUDY. ISOLATED SHOWERS AND THUNDERSTORMS NEAR
7000 FEET AND SCATTERED SHOWERS AND THUNDERSTORMS NEAR 10000 FEET
. LOWS 45-55. HIGHS 64-74.
WEDNESDAY
PARTLY CLOUDY. ISOLATED SHOWERS AND THUNDERSTORMS .
LOWS 42-52. HIGHS 65-75.
UTZ486-220400-
EASTERN UINTA BASIN-
550 AM MDT THU MAY 21 2026
TODAY
SKY/WEATHER.........PARTLY CLOUDY (50-60%). NEAR 5000 FEET,
SCATTERED SHOWERS. SCATTERED THUNDERSTORMS
AFTER 1200. NEAR 8000 FEET, SCATTERED SHOWERS
UNTIL 1200, THEN NUMEROUS SHOWERS AND SCATTERED
THUNDERSTORMS.
CHC OF LIGHTNING....40 PERCENT.
MAX TEMPERATURE.....56-66 F NEAR 5000 FEET
43-53 F NEAR 8000 FEET.
24 HR TREND......1 DEGREE COOLER.
MIN HUMIDITY........26-36% NEAR 5000 FEET
37-47% NEAR 8000 FEET.
24 HR TREND......7% WETTER.
20-FOOT WINDS.......DOWNSLOPE/DOWNVALLEY WINDS 4 TO 8 MPH BECOMING
WEST 10 TO 15 MPH WITH GUSTS TO 30 MPH IN THE
AFTERNOON.
CWR.................40 PERCENT.
MIXING HEIGHT.......3500 FT AGL UNTIL 1100, THEN 9500 FT AGL.
TRANSPORT WINDS.....SOUTHWEST 5 TO 10 MPH UNTIL 1200, THEN WEST 20
TO 25 MPH.
CLEARING INDEX......LESS THAN 500 UNTIL 1000. 1050 AFTER 1100.
TONIGHT
SKY/WEATHER.........PARTLY CLOUDY (30-40%). ISOLATED SHOWERS AND
THUNDERSTORMS UNTIL 2400.
CHC OF LIGHTNING....10 PERCENT.
MIN TEMPERATURE.....29-39 F NEAR 5000 FEET
21-31 F NEAR 8000 FEET.
24 HR TREND......5 DEGREES COOLER.
MAX HUMIDITY........67-82% NEAR 5000 FEET
74-89% NEAR 8000 FEET.
24 HR TREND......16% WETTER.
20-FOOT WINDS.......DOWNSLOPE/DOWNVALLEY WINDS 3 TO 6 MPH.
LOCALIZED GUSTS UP TO 30 MPH DECREASING TO 20
MPH AFTER MIDNIGHT.
CWR.................10 PERCENT.
MIXING HEIGHT.......7000 FT AGL UNTIL 2000, THEN 1000 FT AGL.
TRANSPORT WINDS.....NORTH 5 TO 10 MPH.
CLEARING INDEX......1050 UNTIL 2000, THEN LESS THAN 500.
FRIDAY
SKY/WEATHER.........PARTLY CLOUDY (40-50%) UNTIL 1200, THEN MOSTLY
CLOUDY (70-80%). NEAR 5000 FEET, ISOLATED
SHOWERS AFTER 1200. NEAR 8000 FEET, ISOLATED
SHOWERS AND THUNDERSTORMS AFTER 1200.
CHC OF LIGHTNING....0 PERCENT.
MAX TEMPERATURE.....54-64 F NEAR 5000 FEET
41-51 F NEAR 8000 FEET.
24 HR TREND......UNCHANGED.
MIN HUMIDITY........22-32% NEAR 5000 FEET
29-39% NEAR 8000 FEET.
24 HR TREND......3% DRIER.
20-FOOT WINDS.......DOWNSLOPE/DOWNVALLEY 3 TO 6 MPH BECOMING
UPSLOPE/UPVALLEY 4 TO 8 MPH BY 1100.
CWR.................0 PERCENT.
MIXING HEIGHT.......7000 FT AGL.
TRANSPORT WINDS.....NORTH 5 MPH UNTIL 1200, THEN WEST.
CLEARING INDEX......LESS THAN 500 UNTIL 1300, THEN 600.
FORECAST FOR DAY 3 THROUGH 7
SATURDAY
MOSTLY CLEAR. LOWS 37-47. HIGHS 66-76. WINDS LESS
THAN 15 MPH.
SUNDAY
MOSTLY CLEAR. ISOLATED SHOWERS AND THUNDERSTORMS . LOWS
43-53. HIGHS 72-82. WINDS LESS THAN 15 MPH.
MEMORIAL DAY
MOSTLY CLEAR. ISOLATED SHOWERS AND THUNDERSTORMS
NEAR 8000 FEET. LOWS 46-56. HIGHS 75-85. WINDS LESS THAN 15 MPH.
TUESDAY
PARTLY CLOUDY. ISOLATED SHOWERS AND THUNDERSTORMS .
LOWS 48-58. HIGHS 69-79.
WEDNESDAY
PARTLY CLOUDY. ISOLATED SHOWERS AND THUNDERSTORMS.
LOWS 45-55. HIGHS 70-80.
UTZ487-220400-
BOOK CLIFFS-
550 AM MDT THU MAY 21 2026
TODAY
SKY/WEATHER.........PARTLY CLOUDY (40-50%). NEAR 5000 FEET,
SCATTERED SHOWERS AND ISOLATED THUNDERSTORMS
AFTER 1200. NEAR 8000 FEET, ISOLATED SHOWERS
AND THUNDERSTORMS AFTER 1200.
CHC OF LIGHTNING....20 PERCENT.
MAX TEMPERATURE.....61-71 F NEAR 5000 FEET
55-65 F NEAR 8000 FEET.
24 HR TREND......4 DEGREES WARMER.
MIN HUMIDITY........16-26%.
24 HR TREND......6% WETTER.
20-FOOT WINDS.......DOWNSLOPE/DOWNVALLEY WINDS 4 TO 8 MPH BECOMING
WEST 10 TO 15 MPH WITH GUSTS TO 35 MPH IN THE
AFTERNOON.
CWR.................10 PERCENT.
MIXING HEIGHT.......1000 FT AGL UNTIL 0900, THEN 10500 FT AGL.
TRANSPORT WINDS.....SOUTHWEST 10 TO 15 MPH UNTIL 1200, THEN WEST 20
TO 25 MPH.
CLEARING INDEX......LESS THAN 500 UNTIL 0900. 1050 AFTER 1000.
TONIGHT
SKY/WEATHER.........PARTLY CLOUDY (30-40%).
CHC OF LIGHTNING....0 PERCENT.
MIN TEMPERATURE.....34-44 F NEAR 5000 FEET
27-37 F NEAR 8000 FEET.
24 HR TREND......3 DEGREES COOLER.
MAX HUMIDITY........72-87%.
24 HR TREND......28% WETTER.
20-FOOT WINDS.......UPSLOPE/UPVALLEY 4 TO 8 MPH BECOMING
DOWNSLOPE/DOWNVALLEY 3 TO 6 MPH BY SUNSET.
CWR.................0 PERCENT.
MIXING HEIGHT.......8500 FT AGL UNTIL 2000. 1000 FT AGL AFTER 2100.
TRANSPORT WINDS.....NORTHWEST 15 TO 20 MPH UNTIL 2400, THEN
NORTHEAST 5 TO 10 MPH.
CLEARING INDEX......1050 UNTIL 2000. LESS THAN 500 AFTER 2100.
FRIDAY
SKY/WEATHER.........PARTLY CLOUDY (50-60%) UNTIL 1200, THEN MOSTLY
CLOUDY (70-80%).
CHC OF LIGHTNING....0 PERCENT.
MAX TEMPERATURE.....58-68 F NEAR 5000 FEET
51-61 F NEAR 8000 FEET.
24 HR TREND......4 DEGREES COOLER.
MIN HUMIDITY........19-29%.
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.......7000 FT AGL.
TRANSPORT WINDS.....NORTHEAST 5 TO 10 MPH UNTIL 1200, THEN
NORTHWEST.
CLEARING INDEX......600.
FORECAST FOR DAY 3 THROUGH 7
SATURDAY
MOSTLY CLEAR. LOWS 36-46. HIGHS 69-79. WINDS LESS
THAN 15 MPH.
SUNDAY
MOSTLY CLEAR. LOWS 42-52. HIGHS 75-85. WINDS LESS THAN
15 MPH.
MEMORIAL DAY
MOSTLY CLEAR. ISOLATED SHOWERS AND THUNDERSTORMS
NEAR 6000 FEET. LOWS 46-56. HIGHS 77-87. WINDS LESS THAN 15 MPH.
TUESDAY
PARTLY CLOUDY. ISOLATED SHOWERS AND THUNDERSTORMS .
LOWS 49-59. HIGHS 71-81.
WEDNESDAY
MOSTLY CLEAR. ISOLATED SHOWERS AND THUNDERSTORMS
NEAR 6000 FEET. LOWS 45-55. HIGHS 72-82.
UTZ490-220400-
COLORADO RIVER BASIN-
550 AM MDT THU MAY 21 2026
...RED FLAG WARNING IN EFFECT FROM 1 PM THIS AFTERNOON TO 7 PM
MDT THIS EVENING...
TODAY
SKY/WEATHER.........MOSTLY SUNNY (10-20%) UNTIL 1200, THEN PARTLY
CLOUDY (30-40%). NEAR 7000 FEET, ISOLATED
SHOWERS AND THUNDERSTORMS AFTER 1200.
CHC OF LIGHTNING....0 PERCENT.
MAX TEMPERATURE.....72-82 F NEAR 5000 FEET
60-70 F NEAR 7000 FEET.
24 HR TREND......7 DEGREES WARMER.
MIN HUMIDITY........11-16%.
24 HR TREND......2% WETTER.
20-FOOT WINDS.......DOWNSLOPE/DOWNVALLEY WINDS 4 TO 8 MPH BECOMING
WEST 10 TO 15 MPH WITH GUSTS TO 30 MPH IN THE
AFTERNOON.
CWR.................0 PERCENT.
MIXING HEIGHT.......2000 FT AGL UNTIL 1000, THEN 13000 FT AGL.
TRANSPORT WINDS.....SOUTH 5 TO 10 MPH UNTIL 1200, THEN WEST 20 TO
25 MPH.
CLEARING INDEX......LESS THAN 500 UNTIL 1000. 1050 AFTER 1100.
TONIGHT
SKY/WEATHER.........MOSTLY CLEAR (20-30%).
CHC OF LIGHTNING....0 PERCENT.
MIN TEMPERATURE.....38-48 F.
24 HR TREND......UNCHANGED.
MAX HUMIDITY........54-64%.
24 HR TREND......12% WETTER.
20-FOOT WINDS.......NORTHWEST WINDS 10 TO 15 MPH IN THE EVENING
BECOMING DOWNSLOPE/DOWNVALLEY 3 TO 6 MPH BY
SUNSET. LOCALIZED GUSTS UP TO 30 MPH.
CWR.................0 PERCENT.
MIXING HEIGHT.......10000 FT AGL UNTIL 2000. 1000 FT AGL AFTER
2100.
TRANSPORT WINDS.....NORTHWEST 15 TO 20 MPH UNTIL 2400, THEN
NORTHEAST 5 TO 10 MPH.
CLEARING INDEX......1050 UNTIL 2000. LESS THAN 500 AFTER 2100.
FRIDAY
SKY/WEATHER.........PARTLY CLOUDY (40-50%) UNTIL 1200, THEN MOSTLY
CLOUDY (60-70%).
CHC OF LIGHTNING....0 PERCENT.
MAX TEMPERATURE.....66-76 F NEAR 5000 FEET
55-65 F NEAR 7000 FEET.
24 HR TREND......6 DEGREES COOLER.
MIN HUMIDITY........13-23%.
24 HR TREND......5% WETTER.
20-FOOT WINDS.......DOWNSLOPE/DOWNVALLEY 3 TO 6 MPH BECOMING
UPSLOPE/UPVALLEY 4 TO 8 MPH BY 1100.
CWR.................0 PERCENT.
MIXING HEIGHT.......7000 FT AGL.
TRANSPORT WINDS.....NORTHEAST 5 TO 10 MPH UNTIL 1200, THEN WEST.
CLEARING INDEX......LESS THAN 500 UNTIL 0900, THEN 650.
FORECAST FOR DAY 3 THROUGH 7
SATURDAY
MOSTLY CLEAR. LOWS 43-53. HIGHS 75-85. WINDS LESS
THAN 15 MPH.
SUNDAY
CLEAR. LOWS 48-58. HIGHS 81-91. WINDS LESS THAN 15 MPH.
MEMORIAL DAY
MOSTLY CLEAR. ISOLATED SHOWERS AND THUNDERSTORMS.
LOWS 51-61. HIGHS 82-92. WINDS LESS THAN 15 MPH.
TUESDAY
PARTLY CLOUDY. SCATTERED SHOWERS AND THUNDERSTORMS .
LOWS 52-62. HIGHS 76-86.
WEDNESDAY
MOSTLY CLEAR. LOWS 49-59. HIGHS 77-87.
UTZ491-220400-
SOUTHEAST UTAH-
550 AM MDT THU MAY 21 2026
TODAY
SKY/WEATHER.........MOSTLY SUNNY (20-30%).
CHC OF LIGHTNING....0 PERCENT.
MAX TEMPERATURE.....74-84 F NEAR 5000 FEET
56-66 F NEAR 8000 FEET.
24 HR TREND......4 DEGREES WARMER.
MIN HUMIDITY........7-12% NEAR 5000 FEET
12-22% NEAR 8000 FEET.
24 HR TREND......3% DRIER.
20-FOOT WINDS.......DOWNSLOPE/DOWNVALLEY 3 TO 6 MPH BECOMING
UPSLOPE/UPVALLEY 4 TO 8 MPH BY 1100.
CWR.................0 PERCENT.
MIXING HEIGHT.......1500 FT AGL UNTIL 1000, THEN 13500 FT AGL.
TRANSPORT WINDS.....SOUTH 5 MPH UNTIL 1200, THEN WEST 15 TO 20 MPH.
CLEARING INDEX......LESS THAN 500 UNTIL 1000. 1050 AFTER 1100.
TONIGHT
SKY/WEATHER.........PARTLY CLOUDY (30-40%).
CHC OF LIGHTNING....0 PERCENT.
MIN TEMPERATURE.....44-54 F NEAR 5000 FEET
35-45 F NEAR 8000 FEET.
24 HR TREND......4 DEGREES WARMER.
MAX HUMIDITY........36-46% NEAR 5000 FEET
44-54% NEAR 8000 FEET.
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.......13500 FT AGL UNTIL 2000, THEN 1000 FT AGL.
TRANSPORT WINDS.....NORTHWEST 10 TO 15 MPH.
CLEARING INDEX......1050 UNTIL 2000. LESS THAN 500 AFTER 2100.
FRIDAY
SKY/WEATHER.........PARTLY CLOUDY (40-50%) UNTIL 1200, THEN MOSTLY
CLOUDY (70-80%).
CHC OF LIGHTNING....0 PERCENT.
MAX TEMPERATURE.....72-82 F NEAR 5000 FEET
53-63 F NEAR 8000 FEET.
24 HR TREND......1 DEGREE COOLER.
MIN HUMIDITY........11-16% NEAR 5000 FEET
18-28% NEAR 8000 FEET.
24 HR TREND......4% WETTER.
20-FOOT WINDS.......DOWNSLOPE/DOWNVALLEY 3 TO 6 MPH BECOMING
UPSLOPE/UPVALLEY 4 TO 8 MPH BY 1100.
CWR.................0 PERCENT.
MIXING HEIGHT.......3500 FT AGL UNTIL 1100, THEN 11500 FT AGL.
TRANSPORT WINDS.....NORTHWEST 5 TO 10 MPH.
CLEARING INDEX......LESS THAN 500 UNTIL 1200. 1050 AFTER 1300.
FORECAST FOR DAY 3 THROUGH 7
SATURDAY
PARTLY CLOUDY. LOWS 44-54. HIGHS 77-87. WINDS LESS
THAN 15 MPH.
SUNDAY
CLEAR. LOWS 46-56. HIGHS 82-92. WINDS LESS THAN 15 MPH.
MEMORIAL DAY
MOSTLY CLEAR. ISOLATED SHOWERS AND THUNDERSTORMS
. LOWS 49-59. HIGHS 81-91. WINDS LESS THAN 15 MPH.
TUESDAY
PARTLY CLOUDY. ISOLATED SHOWERS AND THUNDERSTORMS NEAR
5000 FEET AND SCATTERED SHOWERS AND THUNDERSTORMS NEAR 8000 FEET
. LOWS 49-59. HIGHS 77-87.
WEDNESDAY
MOSTLY CLEAR. LOWS 46-56. HIGHS 78-88.
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