Routine Fire Wx Fcst (With/Without 6-10 Day Outlook)
Issued by NWS Grand Junction, CO
Issued by NWS Grand Junction, CO
996
FNUS55 KGJT 222057
FWFGJT
Fire Weather Planning Forecast for Wrn Colorado and Ern Utah
National Weather Service Grand Junction CO
257 PM MDT Fri Aug 22 2025
.DISCUSSION...Scattered showers and thunderstorms are expected
again tomorrow with gusty winds and frequent lightning being the
main concerns. Sunday onward, widespread showers and thunderstorms
are expected daily with moderate to heavy rainfall being the main
concerns. This will lead to an elevated level of concern for burn
scar debris flows and flash flooding in to early next week.
...GUSTY ERRATIC WINDS CAN BE EXPECTED NEAR ANY SHOWERS
OR THUNDERSTORMS...
...THE SMOKE DATA IS CALCULATED FROM AN AVERAGE AT 6000 FEET MSL...
COZ200-231300-
Little Snake Forecast Area-
257 PM MDT Fri Aug 22 2025
.TONIGHT...
Sky/weather.........Near 6000 feet, mostly cloudy (60-70%) until
2400, then partly cloudy (30-40%). Near 8000
feet, partly cloudy (50-60%). Isolated showers
and thunderstorms until 2400.
Chc of lightning....10 percent.
Min temperature.....55-65 F.
Max humidity........65-80% near 6000 feet
59-74% 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....West 5 to 10 mph.
Mixing Height.......6000 ft AGL until 2000, then 2000 ft AGL.
Transport Winds.....North 5 to 10 mph.
Smoke dispersal.....Poor.
.SATURDAY...
Sky/weather.........Mostly sunny (20-30%).
Chc of lightning....0 percent.
Max temperature.....83-93 F near 6000 feet
72-82 F near 8000 feet.
Min humidity........10-15%.
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....Northwest 15 to 20 mph.
Mixing Height.......3500 ft AGL until 1200. 13500 ft AGL after
1300.
Transport Winds.....North 5 mph until 1200, then northwest 10 to 15
mph.
Smoke dispersal.....Poor until 1200. Excellent after 1500.
.SATURDAY NIGHT...
Sky/weather.........Partly cloudy (40-50%).
Chc of lightning....0 percent.
Min temperature.....59-69 F.
Max humidity........40-50%.
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....Northwest 10 to 15 mph.
Mixing Height.......10500 ft AGL until 2000, then 1500 ft AGL.
Transport Winds.....North 5 mph.
Smoke dispersal.....Good until 2100, then poor.
.SUNDAY...
Sky/weather.........Mostly cloudy (60-70%). Isolated showers until
1200. Scattered showers and thunderstorms after
1200.
Chc of lightning....40 percent.
Max temperature.....79-89 F near 6000 feet
68-78 F near 8000 feet.
Min humidity........18-28% near 6000 feet
24-34% near 8000 feet.
20-foot winds.......Downslope/downvalley 3 to 6 mph becoming
upslope/upvalley 4 to 8 mph by 1100.
CWR.................30 percent.
15K Ft MSL Winds....West 10 to 15 mph.
Mixing Height.......2500 ft AGL until 1000, then 10000 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...
.MONDAY...Mostly cloudy. Scattered showers and thunderstorms.
Lows 53-63. Highs 75-85. Winds less than 15 mph.
.TUESDAY...Mostly cloudy. Numerous showers and scattered
thunderstorms near 6000 feet and scattered showers and
thunderstorms near 8000 feet. Lows 50-60. Highs 75-85. Winds less
than 15 mph.
.WEDNESDAY...Numerous showers and scattered thunderstorms near
6000 feet and numerous showers and scattered thunderstorms near
8000 feet. Lows 52-62. Highs 71-81. Winds less than 15 mph.
.THURSDAY...Mostly cloudy. Numerous showers and scattered
thunderstorms near 6000 feet and numerous showers and scattered
thunderstorms near 8000 feet. Lows 50-60. Highs 70-80.
.FRIDAY...Partly cloudy. Scattered showers and thunderstorms.
Lows 48-58. Highs 71-81.
$$
COZ201-231300-
Routt Forecast Area-
257 PM MDT Fri Aug 22 2025
.TONIGHT...
Sky/weather.........Partly cloudy (50-60%). Isolated showers and
thunderstorms until 2400. Areas of smoke.
Chc of lightning....20 percent.
Min temperature.....49-59 F.
Max humidity........61-76%.
20-foot winds.......Downslope/downvalley winds 3 to 6 mph.
Localized gusts up to 20 mph in the evening.
CWR.................20 percent.
15K Ft MSL Winds....Northwest 10 to 15 mph.
Mixing Height.......6500 ft AGL until 2000, then 1500 ft AGL.
Transport Winds.....Northeast 5 to 10 mph until 2400, then
southeast.
Smoke dispersal.....Poor.
.SATURDAY...
Sky/weather.........Mostly sunny (20-30%) until 1200, then partly
cloudy (30-40%). Areas of smoke until 1200.
Isolated showers and thunderstorms.
Chc of lightning....10 percent.
Max temperature.....72-82 F.
Min humidity........14-24%.
20-foot winds.......Downslope/downvalley 3 to 6 mph becoming
upslope/upvalley 4 to 8 mph by 1100.
CWR.................10 percent.
15K Ft MSL Winds....Northwest 10 to 15 mph.
Mixing Height.......2000 ft AGL until 1000, then 11000 ft AGL.
Transport Winds.....Southwest 5 mph until 1200, then northwest 10
to 15 mph.
Smoke dispersal.....Poor until 0900. Very good after 1200.
.SATURDAY NIGHT...
Sky/weather.........Partly cloudy (30-40%). Isolated showers.
Chc of lightning....0 percent.
Min temperature.....51-61 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....Northwest 15 to 20 mph.
Mixing Height.......10000 ft AGL until 1900. 1500 ft AGL after
2000.
Transport Winds.....North 5 to 10 mph until 2400, then southeast.
Smoke dispersal.....Good until 2100, then poor.
.SUNDAY...
Sky/weather.........Mostly cloudy (70-80%). Scattered showers and
isolated thunderstorms until 1200, then
numerous showers and scattered thunderstorms.
Chc of lightning....50 percent.
Max temperature.....68-78 F.
Min humidity........27-37%.
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....West 15 to 20 mph.
Mixing Height.......3000 ft AGL until 1000, then 11000 ft AGL.
Transport Winds.....West 5 to 10 mph.
Smoke dispersal.....Poor until 0900. Very good after 1200.
.FORECAST FOR DAY 3 THROUGH 7...
.MONDAY...Numerous showers and thunderstorms. Lows 47-57. Highs
64-74. Winds less than 15 mph.
.TUESDAY...Mostly cloudy. Scattered showers and thunderstorms.
Lows 45-55. Highs 65-75. Winds less than 15 mph.
.WEDNESDAY...Numerous showers and scattered thunderstorms. Lows
46-56. Highs 61-71. Winds less than 15 mph.
.THURSDAY...Numerous showers and scattered thunderstorms. Lows
45-55. Highs 60-70.
.FRIDAY...Mostly cloudy. Scattered showers and thunderstorms.
Lows 43-53. Highs 61-71.
$$
COZ202-231300-
White River Forecast Area-
257 PM MDT Fri Aug 22 2025
.TONIGHT...
Sky/weather.........Near 6000 feet, mostly cloudy (60-70%) until
2400, then partly cloudy (30-40%), areas of
smoke after 2400. Near 8000 feet, partly cloudy
(50-60%). Isolated showers and thunderstorms
until 2400.
Chc of lightning....10 percent.
Min temperature.....54-64 F.
Max humidity........58-73% near 6000 feet
47-57% near 8000 feet.
20-foot winds.......Upslope/upvalley 4 to 8 mph becoming
downslope/downvalley 3 to 6 mph by sunset.
CWR.................10 percent.
15K Ft MSL Winds....Northwest 10 to 15 mph.
Mixing Height.......5500 ft AGL until 2000, then 1000 ft AGL.
Transport Winds.....North 5 to 10 mph until 2400, then east.
Smoke dispersal.....Poor.
.SATURDAY...
Sky/weather.........Mostly sunny (20-30%). Near 6000 feet, isolated
showers. Isolated thunderstorms after 1200.
near 8000 feet, isolated showers and
thunderstorms.
Chc of lightning....10 percent.
Max temperature.....83-93 F near 6000 feet
73-83 F near 8000 feet.
Min humidity........11-16%.
20-foot winds.......Downslope/downvalley 3 to 6 mph becoming
upslope/upvalley 4 to 8 mph by 1100.
CWR.................10 percent.
15K Ft MSL Winds....Northwest 10 to 15 mph.
Mixing Height.......2500 ft AGL until 1100. 12500 ft AGL after
1300.
Transport Winds.....Northeast 5 mph until 1200, then north.
Smoke dispersal.....Poor until 1200. Very good after 1500.
.SATURDAY NIGHT...
Sky/weather.........Partly cloudy (40-50%). Isolated thunderstorms
until 2400. Isolated showers.
Chc of lightning....10 percent.
Min temperature.....57-67 F.
Max humidity........40-50%.
20-foot winds.......Upslope/upvalley 4 to 8 mph becoming
downslope/downvalley 3 to 6 mph by sunset.
CWR.................10 percent.
15K Ft MSL Winds....Northwest 5 to 10 mph.
Mixing Height.......10000 ft AGL until 2000, then 1000 ft AGL.
Transport Winds.....North 5 to 10 mph until 2400, then south.
Smoke dispersal.....Fair until 2100, then poor.
.SUNDAY...
Sky/weather.........Mostly cloudy (60-70%). Near 6000 feet,
scattered showers until 1200, then numerous
showers and scattered thunderstorms. Near 8000
feet, scattered showers and isolated
thunderstorms until 1200, then showers and
scattered thunderstorms.
Chc of lightning....50 percent.
Max temperature.....78-88 F near 6000 feet
67-77 F near 8000 feet.
Min humidity........20-30% near 6000 feet
31-41% near 8000 feet.
20-foot winds.......Downslope/downvalley 3 to 6 mph becoming
upslope/upvalley 4 to 8 mph by 1100.
CWR.................50 percent.
15K Ft MSL Winds....West 10 to 15 mph.
Mixing Height.......2000 ft AGL until 1000, then 9500 ft AGL.
Transport Winds.....Southwest 5 to 10 mph.
Smoke dispersal.....Poor until 0900. Good after 1200.
.FORECAST FOR DAY 3 THROUGH 7...
.MONDAY...Mostly cloudy. Numerous showers and scattered
thunderstorms near 6000 feet and numerous showers and scattered
thunderstorms near 8000 feet. Lows 53-63. Highs 76-86. Winds less
than 15 mph.
.TUESDAY...Mostly cloudy. Numerous showers and scattered
thunderstorms near 6000 feet and showers and scattered
thunderstorms near 8000 feet. Lows 50-60. Highs 75-85. Winds less
than 15 mph.
.WEDNESDAY...Numerous showers and scattered thunderstorms near
6000 feet and numerous showers and scattered thunderstorms near
8000 feet. Lows 52-62. Highs 70-80. Winds less than 15 mph.
.THURSDAY...Mostly cloudy. Numerous showers and scattered
thunderstorms near 6000 feet and numerous showers and scattered
thunderstorms near 8000 feet. Lows 49-59. Highs 71-81.
.FRIDAY...Partly cloudy near 6000 feet and mostly cloudy near
8000 feet and scattered showers and thunderstorms. Lows 48-58.
Highs 71-81.
$$
COZ203-231300-
Lower Colorado River-
257 PM MDT Fri Aug 22 2025
.TONIGHT...
Sky/weather.........Mostly cloudy (60-70%) until 2400, then partly
cloudy (30-40%). Isolated showers and
thunderstorms until 2400.
Chc of lightning....20 percent.
Min temperature.....61-71 F near 6000 feet
55-65 F near 8000 feet.
Max humidity........44-54%.
20-foot winds.......Downslope/downvalley winds 3 to 6 mph.
Localized gusts up to 25 mph in the evening.
CWR.................10 percent.
15K Ft MSL Winds....Northwest 10 to 15 mph.
Mixing Height.......11000 ft AGL until 1900. 2000 ft AGL after
2000.
Transport Winds.....Northeast 5 to 10 mph.
Smoke dispersal.....Fair until 2100, then poor.
.SATURDAY...
Sky/weather.........Mostly sunny (20-30%) until 1200, then partly
cloudy (40-50%). Isolated showers and
thunderstorms until 1200, scattered showers and
thunderstorms after 1200.
Chc of lightning....20 percent.
Max temperature.....86-96 F near 6000 feet
77-87 F near 8000 feet.
Min humidity........12-17%.
20-foot winds.......Downslope/downvalley 3 to 6 mph becoming
upslope/upvalley 4 to 8 mph by 1100.
CWR.................10 percent.
15K Ft MSL Winds....Northwest 10 to 15 mph.
Mixing Height.......3500 ft AGL until 1100, then 13000 ft AGL.
Transport Winds.....Northeast 5 mph until 1200, then north.
Smoke dispersal.....Poor until 0900. Very good after 1200.
.SATURDAY NIGHT...
Sky/weather.........Partly cloudy (50-60%). Scattered showers and
isolated thunderstorms.
Chc of lightning....20 percent.
Min temperature.....61-71 F near 6000 feet
53-63 F near 8000 feet.
Max humidity........43-53%.
20-foot winds.......Upslope/upvalley 4 to 8 mph becoming
downslope/downvalley 3 to 6 mph by sunset.
CWR.................20 percent.
15K Ft MSL Winds....Northwest 5 to 10 mph.
Mixing Height.......12500 ft AGL until 1900. 2000 ft AGL after
2000.
Transport Winds.....North 5 to 10 mph until 2400, then southeast.
Smoke dispersal.....Fair until 2100, then poor.
.SUNDAY...
Sky/weather.........Mostly cloudy (70-80%). Scattered showers and
isolated thunderstorms until 1200, then showers
and scattered thunderstorms.
Chc of lightning....50 percent.
Max temperature.....78-88 F near 6000 feet
70-80 F near 8000 feet.
Min humidity........25-35%.
20-foot winds.......Downslope/downvalley 3 to 6 mph becoming
upslope/upvalley 4 to 8 mph by 1100.
CWR.................70 percent.
15K Ft MSL Winds....West 10 to 15 mph.
Mixing Height.......8000 ft AGL.
Transport Winds.....Southwest 5 mph.
Smoke dispersal.....Poor until 0900. Good after 1200.
.FORECAST FOR DAY 3 THROUGH 7...
.MONDAY...Showers and scattered thunderstorms. Lows 57-67. Highs
77-87. Winds less than 15 mph.
.TUESDAY...Mostly cloudy. Numerous showers and scattered
thunderstorms. Lows 56-66. Highs 76-86. Winds less than 15 mph.
.WEDNESDAY...Showers and scattered thunderstorms. Lows 56-66.
Highs 70-80. Winds less than 15 mph.
.THURSDAY...Numerous showers and scattered thunderstorms. Lows
54-64. Highs 71-81.
.FRIDAY...Partly cloudy. Scattered showers and thunderstorms.
Lows 53-63. Highs 73-83.
$$
COZ205-231300-
Colorado River Headwaters-
257 PM MDT Fri Aug 22 2025
.TONIGHT...
Sky/weather.........Partly cloudy (50-60%). Areas of smoke.
Scattered showers and thunderstorms until
2400, isolated showers after 2400.
Chc of lightning....40 percent.
Min temperature.....52-62 F.
Max humidity........62-77%.
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....Northwest 10 to 15 mph.
Mixing Height.......6000 ft AGL until 2000, then 2000 ft AGL.
Transport Winds.....Northeast 5 to 10 mph until 2400, then
southeast.
Smoke dispersal.....Poor.
.SATURDAY...
Sky/weather.........Partly cloudy (30-40%). Areas of smoke.
Isolated showers and thunderstorms until
1200, scattered showers and thunderstorms after
1200.
Chc of lightning....30 percent.
Max temperature.....76-86 F.
Min humidity........14-24%.
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 10 to 15 mph.
Mixing Height.......2500 ft AGL until 1000, then 11000 ft AGL.
Transport Winds.....Northeast 5 mph until 1200, then northwest 10
to 15 mph.
Smoke dispersal.....Poor until 0900. Very good after 1200.
.SATURDAY NIGHT...
Sky/weather.........Partly cloudy (40-50%). Areas of smoke until
2400. Isolated thunderstorms until 2400.
Scattered showers.
Chc of lightning....20 percent.
Min temperature.....51-61 F.
Max humidity........53-63%.
20-foot winds.......Upslope/upvalley 4 to 8 mph becoming
downslope/downvalley 3 to 6 mph by sunset.
CWR.................10 percent.
15K Ft MSL Winds....Northwest 10 to 15 mph increasing to 15 to 20
mph after midnight.
Mixing Height.......9500 ft AGL until 1900. 2000 ft AGL after 2000.
Transport Winds.....North 5 to 10 mph until 2400, then southeast.
Smoke dispersal.....Fair until 2100, then poor.
.SUNDAY...
Sky/weather.........Partly cloudy (50-60%) until 1200, then mostly
cloudy (70-80%). Scattered showers and isolated
thunderstorms until 1200, then numerous showers
and scattered thunderstorms.
Chc of lightning....50 percent.
Max temperature.....72-82 F.
Min humidity........28-38%.
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....West 10 to 15 mph.
Mixing Height.......3500 ft AGL until 1000, then 7000 ft AGL.
Transport Winds.....West 5 mph.
Smoke dispersal.....Poor until 1200, then good until 1500, then
fair.
.FORECAST FOR DAY 3 THROUGH 7...
.MONDAY...Showers with numerous thunderstorms. Lows 47-57. Highs
66-76. Winds less than 15 mph.
.TUESDAY...Mostly cloudy. Showers with numerous thunderstorms.
Lows 46-56. Highs 67-77. Winds less than 15 mph.
.WEDNESDAY...Numerous showers and thunderstorms. Lows 46-56.
Highs 63-73. Winds less than 15 mph.
.THURSDAY...Numerous showers and scattered thunderstorms. Lows
46-56. Highs 63-73.
.FRIDAY...Mostly cloudy. Scattered showers and thunderstorms.
Lows 44-54. Highs 63-73.
$$
COZ290-231300-
Paradox Valley Forecast Area-
257 PM MDT Fri Aug 22 2025
.TONIGHT...
Sky/weather.........Mostly cloudy (60-70%) until 2400, then partly
cloudy (40-50%). Isolated showers and
thunderstorms until 2400.
Chc of lightning....10 percent.
Min temperature.....58-68 F near 6000 feet
53-63 F near 8000 feet.
Max humidity........43-53% near 6000 feet
56-66% near 8000 feet.
20-foot winds.......Upslope/upvalley 4 to 8 mph becoming
downslope/downvalley 3 to 6 mph by sunset.
CWR.................10 percent.
15K Ft MSL Winds....Northwest 10 to 15 mph.
Mixing Height.......11500 ft AGL until 1900. 1500 ft AGL after
2000.
Transport Winds.....Northeast 5 to 10 mph until 2400, then east.
Smoke dispersal.....Fair until 2100, then poor.
.SATURDAY...
Sky/weather.........Partly cloudy (30-40%). Isolated thunderstorms
until 1200. Scattered showers. Scattered
thunderstorms after 1200.
Chc of lightning....50 percent.
Max temperature.....84-94 F near 6000 feet
72-82 F near 8000 feet.
Min humidity........13-23% near 6000 feet
20-30% near 8000 feet.
20-foot winds.......Downslope/downvalley 3 to 6 mph becoming
upslope/upvalley 4 to 8 mph by 1100.
CWR.................30 percent.
15K Ft MSL Winds....Northwest 10 to 15 mph.
Mixing Height.......2000 ft AGL until 1000. 11500 ft AGL after
1200.
Transport Winds.....Southeast 5 mph until 1200, then northwest.
Smoke dispersal.....Poor until 0900. Good after 1200.
.SATURDAY NIGHT...
Sky/weather.........Mostly cloudy (70-80%). Near 6000 feet,
scattered thunderstorms until 2400. Scattered
showers. Isolated thunderstorms after 2400.
near 8000 feet, numerous showers and scattered
thunderstorms until 2400, then scattered
showers and isolated thunderstorms.
Chc of lightning....50 percent.
Min temperature.....57-67 F near 6000 feet
51-61 F near 8000 feet.
Max humidity........50-60% near 6000 feet
67-82% near 8000 feet.
20-foot winds.......Upslope/upvalley 4 to 8 mph becoming
downslope/downvalley 3 to 6 mph by sunset.
CWR.................20 percent.
15K Ft MSL Winds....North 5 to 10 mph.
Mixing Height.......10000 ft AGL until 1900. 1500 ft AGL after
2000.
Transport Winds.....North 5 to 10 mph until 2400, then south.
Smoke dispersal.....Poor.
.SUNDAY...
Sky/weather.........Mostly cloudy (70-80%). Scattered showers and
isolated thunderstorms until 1200. Showers with
numerous thunderstorms after 1200.
Chc of lightning....70 percent.
Max temperature.....78-88 F near 6000 feet
67-77 F near 8000 feet.
Min humidity........23-33% near 6000 feet
35-45% near 8000 feet.
20-foot winds.......Downslope/downvalley 3 to 6 mph becoming
upslope/upvalley 4 to 8 mph by 1100.
CWR.................70 percent.
15K Ft MSL Winds....West 5 to 10 mph.
Mixing Height.......2500 ft AGL until 1000, then 9500 ft AGL until
1700, then 5500 ft AGL.
Transport Winds.....Southwest 5 mph.
Smoke dispersal.....Poor until 0900. Fair after 1200.
.FORECAST FOR DAY 3 THROUGH 7...
.MONDAY...Showers with numerous thunderstorms near 6000 feet and
showers with numerous thunderstorms near 8000 feet. Lows 58-68.
Highs 79-89. Winds less than 15 mph.
.TUESDAY...Mostly cloudy. Numerous thunderstorms and scattered
showers near 6000 feet and showers with numerous thunderstorms
near 8000 feet. Lows 57-67. Highs 77-87. Winds less than 15 mph.
.WEDNESDAY...Numerous showers and thunderstorms near 6000 feet
and showers with numerous thunderstorms near 8000 feet. Lows
56-66. Highs 71-81. Winds less than 15 mph.
.THURSDAY...Mostly cloudy. Numerous showers and thunderstorms.
Lows 55-65. Highs 73-83.
.FRIDAY...Partly cloudy. Scattered showers and thunderstorms.
Lows 55-65. Highs 76-86.
$$
COZ291-231300-
Northern San Juan Forecast Area-
257 PM MDT Fri Aug 22 2025
.TONIGHT...
Sky/weather.........Mostly cloudy (60-70%) until 2400, then partly
cloudy (40-50%). Scattered showers and
thunderstorms until 2400.
Chc of lightning....30 percent.
Min temperature.....51-61 F.
Max humidity........55-70%.
20-foot winds.......Upslope/upvalley 4 to 8 mph becoming
downslope/downvalley 3 to 6 mph by sunset.
CWR.................10 percent.
15K Ft MSL Winds....Northwest 10 to 15 mph.
Mixing Height.......7500 ft AGL until 2000, then 2000 ft AGL.
Transport Winds.....Northeast 5 to 10 mph until 2400, then
southeast.
Smoke dispersal.....Fair until 2100, then poor.
.SATURDAY...
Sky/weather.........Partly cloudy (40-50%). Scattered showers and
isolated thunderstorms until 1200, then
numerous showers and scattered thunderstorms.
Chc of lightning....50 percent.
Max temperature.....71-81 F.
Min humidity........21-31%.
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....Northwest 10 to 15 mph.
Mixing Height.......2000 ft AGL until 0900, then 9000 ft AGL.
Transport Winds.....West 5 mph until 1200, then northwest.
Smoke dispersal.....Poor until 0900. Good after 1200.
.SATURDAY 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.....49-59 F.
Max humidity........64-79%.
20-foot winds.......Upslope/upvalley 4 to 8 mph becoming
downslope/downvalley 3 to 6 mph by sunset.
CWR.................20 percent.
15K Ft MSL Winds....North 5 to 10 mph.
Mixing Height.......6500 ft AGL until 2000, then 2000 ft AGL.
Transport Winds.....North 5 mph until 2400, then south.
Smoke dispersal.....Poor.
.SUNDAY...
Sky/weather.........Mostly cloudy (70-80%). Scattered showers and
isolated thunderstorms until 1200, then showers
with numerous thunderstorms.
Chc of lightning....70 percent.
Max temperature.....66-76 F.
Min humidity........33-43%.
20-foot winds.......Downslope/downvalley 3 to 6 mph becoming
upslope/upvalley 4 to 8 mph by 1100.
CWR.................90 percent.
15K Ft MSL Winds....West 5 to 10 mph.
Mixing Height.......3500 ft AGL until 1000, then 6000 ft AGL.
Transport Winds.....Southwest 5 to 10 mph.
Smoke dispersal.....Poor until 1200, then good until 1500, then
fair.
.FORECAST FOR DAY 3 THROUGH 7...
.MONDAY...Showers with numerous thunderstorms. Lows 48-58. Highs
68-78. Winds less than 15 mph.
.TUESDAY...Showers with numerous thunderstorms. Lows 46-56. Highs
66-76. Winds less than 15 mph.
.WEDNESDAY...Showers with numerous thunderstorms. Lows 46-56.
Highs 63-73. Winds less than 15 mph.
.THURSDAY...Mostly cloudy. Numerous showers and thunderstorms.
Lows 45-55. Highs 64-74.
.FRIDAY...Partly cloudy. Scattered showers and thunderstorms.
Lows 43-53. Highs 65-75.
$$
COZ292-231300-
North Fork Forecast Area-
257 PM MDT Fri Aug 22 2025
.TONIGHT...
Sky/weather.........Near 6000 feet, partly cloudy (50-60%),
isolated showers and thunderstorms until 2400.
near 8000 feet, mostly cloudy (60-70%) until
2400, then partly cloudy (30-40%), scattered
showers and isolated thunderstorms until 2400.
Chc of lightning....20 percent.
Min temperature.....56-66 F near 6000 feet
52-62 F near 8000 feet.
Max humidity........49-59% near 6000 feet
55-65% near 8000 feet.
20-foot winds.......Upslope/upvalley 4 to 8 mph becoming
downslope/downvalley 3 to 6 mph by sunset.
CWR.................10 percent.
15K Ft MSL Winds....Northwest 10 to 15 mph.
Mixing Height.......10500 ft AGL until 1900. 2000 ft AGL after
2000.
Transport Winds.....North 10 to 15 mph until 2400, then east.
Smoke dispersal.....Fair until 2100, then poor.
.SATURDAY...
Sky/weather.........Partly cloudy (30-40%). Near 6000 feet,
isolated showers and thunderstorms until 1200,
then scattered showers and thunderstorms. Near
8000 feet, isolated thunderstorms until 1200.
Scattered showers. Scattered thunderstorms
after 1200.
Chc of lightning....30 percent.
Max temperature.....85-95 F near 6000 feet
75-85 F near 8000 feet.
Min humidity........14-24%.
20-foot winds.......Downslope/downvalley 3 to 6 mph becoming
upslope/upvalley 4 to 8 mph by 1100.
CWR.................30 percent.
15K Ft MSL Winds....Northwest 10 to 15 mph.
Mixing Height.......3500 ft AGL until 1100, then 11500 ft AGL.
Transport Winds.....East 5 mph until 1200, then northwest.
Smoke dispersal.....Poor until 1200, then good.
.SATURDAY NIGHT...
Sky/weather.........Mostly cloudy (60-70%). Near 6000 feet,
scattered showers and isolated thunderstorms.
near 8000 feet, scattered thunderstorms until
2400. Scattered showers. Isolated thunderstorms
after 2400.
Chc of lightning....20 percent.
Min temperature.....56-66 F near 6000 feet
51-61 F near 8000 feet.
Max humidity........57-67%.
20-foot winds.......Upslope/upvalley 4 to 8 mph becoming
downslope/downvalley 3 to 6 mph by sunset.
CWR.................10 percent.
15K Ft MSL Winds....Northwest 5 to 10 mph.
Mixing Height.......8500 ft AGL until 1900, then 2000 ft AGL.
Transport Winds.....North 5 to 10 mph until 2400, then southeast.
Smoke dispersal.....Poor.
.SUNDAY...
Sky/weather.........Mostly cloudy (70-80%). Scattered showers and
isolated thunderstorms until 1200. Showers with
numerous thunderstorms after 1200.
Chc of lightning....70 percent.
Max temperature.....79-89 F near 6000 feet
70-80 F near 8000 feet.
Min humidity........31-41%.
20-foot winds.......Downslope/downvalley 3 to 6 mph becoming
upslope/upvalley 4 to 8 mph by 1100.
CWR.................60 percent.
15K Ft MSL Winds....West 5 to 10 mph.
Mixing Height.......3000 ft AGL until 1000, then 6500 ft AGL.
Transport Winds.....South 5 mph until 1200, then west.
Smoke dispersal.....Poor until 0900. Fair after 1200.
.FORECAST FOR DAY 3 THROUGH 7...
.MONDAY...Showers with numerous thunderstorms near 6000 feet and
showers with numerous thunderstorms near 8000 feet. Lows 57-67.
Highs 78-88. Winds less than 15 mph.
.TUESDAY...Mostly cloudy. Scattered showers and thunderstorms
near 6000 feet and showers with numerous thunderstorms near
8000 feet. Lows 54-64. Highs 76-86. Winds less than 15 mph.
.WEDNESDAY...Numerous showers and scattered thunderstorms near
6000 feet and numerous showers and scattered thunderstorms near
8000 feet. Lows 54-64. Highs 71-81. Winds less than 15 mph.
.THURSDAY...Numerous showers and scattered thunderstorms near
6000 feet and numerous showers and scattered thunderstorms near
8000 feet. Lows 53-63. Highs 72-82.
.FRIDAY...Partly cloudy. Scattered showers and thunderstorms.
Lows 52-62. Highs 74-84.
$$
COZ293-231300-
Gunnison Basin Forecast Area-
257 PM MDT Fri Aug 22 2025
.TONIGHT...
Sky/weather.........Mostly cloudy (60-70%) until 2400, then partly
cloudy (40-50%). Scattered showers and
thunderstorms until 2400.
Chc of lightning....40 percent.
Min temperature.....51-61 F.
Max humidity........64-79%.
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....Northwest 10 to 15 mph.
Mixing Height.......8500 ft AGL until 2000, then 2000 ft AGL.
Transport Winds.....East 5 to 10 mph.
Smoke dispersal.....Fair until 2100, then poor.
.SATURDAY...
Sky/weather.........Partly cloudy (40-50%). Isolated thunderstorms
until 1200. Scattered showers. Scattered
thunderstorms after 1200.
Chc of lightning....40 percent.
Max temperature.....77-87 F.
Min humidity........20-30%.
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 10 to 15 mph.
Mixing Height.......3000 ft AGL until 1000, then 11000 ft AGL.
Transport Winds.....North 5 mph.
Smoke dispersal.....Poor until 0900. Very good after 1200.
.SATURDAY NIGHT...
Sky/weather.........Mostly cloudy (60-70%). Scattered thunderstorms
until 2400. Scattered showers.
Chc of lightning....40 percent.
Min temperature.....50-60 F.
Max humidity........66-81%.
20-foot winds.......Downslope/downvalley winds 3 to 6 mph.
Localized gusts up to 20 mph in the evening.
CWR.................30 percent.
15K Ft MSL Winds....Northwest 10 to 15 mph.
Mixing Height.......9000 ft AGL until 1900. 2000 ft AGL after 2000.
Transport Winds.....Northeast 5 to 10 mph until 2400, then east.
Smoke dispersal.....Fair until 2100, then poor.
.SUNDAY...
Sky/weather.........Mostly cloudy (70-80%). Scattered showers and
isolated thunderstorms until 1200, then showers
with numerous thunderstorms.
Chc of lightning....70 percent.
Max temperature.....72-82 F.
Min humidity........35-45%.
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....Northwest 10 to 15 mph.
Mixing Height.......3000 ft AGL until 1000, then 7000 ft AGL.
Transport Winds.....West 5 mph.
Smoke dispersal.....Poor until 1200, then good until 1500, then
fair.
.FORECAST FOR DAY 3 THROUGH 7...
.MONDAY...Showers with numerous thunderstorms. Lows 47-57. Highs
68-78. Winds less than 15 mph.
.TUESDAY...Mostly cloudy. Showers with numerous thunderstorms.
Lows 46-56. Highs 67-77. Winds less than 15 mph.
.WEDNESDAY...Showers with numerous thunderstorms. Lows 46-56.
Highs 64-74. Winds less than 15 mph.
.THURSDAY...Mostly cloudy. Numerous showers and scattered
thunderstorms. Lows 45-55. Highs 64-74.
.FRIDAY...Partly cloudy. Scattered showers and thunderstorms.
Lows 43-53. Highs 66-76.
$$
COZ207-231300-
Southwest Colorado Lower Forecast Area-
257 PM MDT Fri Aug 22 2025
.TONIGHT...
Sky/weather.........Partly cloudy (50-60%). Isolated thunderstorms
until 2400. Isolated showers. Areas of smoke
after 2400.
Chc of lightning....20 percent.
Min temperature.....59-69 F.
Max humidity........50-60%.
20-foot winds.......Downslope/downvalley winds 3 to 6 mph.
Localized gusts up to 20 mph after midnight.
CWR.................10 percent.
15K Ft MSL Winds....Northwest 10 to 15 mph.
Mixing Height.......9000 ft AGL until 2000, then 1500 ft AGL.
Transport Winds.....East 5 to 10 mph.
Smoke dispersal.....Fair until 2100, then poor.
.SATURDAY...
Sky/weather.........Partly cloudy (40-50%). Isolated showers and
thunderstorms until 1200, then scattered
showers and thunderstorms.
Chc of lightning....50 percent.
Max temperature.....86-96 F.
Min humidity........14-24%.
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....North 10 to 15 mph.
Mixing Height.......2500 ft AGL until 1000. 11500 ft AGL after
1200.
Transport Winds.....East 5 to 10 mph until 1200, then north.
Smoke dispersal.....Poor until 0900. Good after 1200.
.SATURDAY 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.....56-66 F.
Max humidity........58-73%.
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....North 5 to 10 mph.
Mixing Height.......9000 ft AGL until 1900. 2000 ft AGL after 2000.
Transport Winds.....Southeast 10 to 15 mph.
Smoke dispersal.....Poor.
.SUNDAY...
Sky/weather.........Mostly cloudy (60-70%). Scattered showers and
isolated thunderstorms until 1200, then
numerous showers and scattered thunderstorms.
Chc of lightning....50 percent.
Max temperature.....80-90 F.
Min humidity........24-34%.
20-foot winds.......Upslope/upvalley winds 4 to 8 mph. Localized
gusts up to 20 mph.
CWR.................40 percent.
15K Ft MSL Winds....East 5 to 10 mph shifting to the southwest in
the afternoon.
Mixing Height.......2500 ft AGL until 1000, then 9500 ft AGL.
Transport Winds.....Southeast 5 to 10 mph until 1200, then
southwest.
Smoke dispersal.....Poor until 0900. Good after 1200.
.FORECAST FOR DAY 3 THROUGH 7...
.MONDAY...Numerous showers and scattered thunderstorms. Lows
55-65. Highs 80-90. Winds less than 15 mph.
.TUESDAY...Mostly cloudy. Scattered showers and thunderstorms.
Lows 54-64. Highs 78-88. Winds less than 15 mph.
.WEDNESDAY...Numerous showers and scattered thunderstorms. Lows
53-63. Highs 74-84. Winds less than 15 mph.
.THURSDAY...Mostly cloudy. Scattered showers and thunderstorms.
Lows 52-62. Highs 75-85.
.FRIDAY...Partly cloudy. Scattered showers and thunderstorms.
Lows 50-60. Highs 77-87.
$$
COZ294-231300-
Southwest Colorado Upper West Forecast Area-
257 PM MDT Fri Aug 22 2025
.TONIGHT...
Sky/weather.........Mostly cloudy (60-70%) until 2400, then partly
cloudy (40-50%). Isolated showers and
thunderstorms until 2400. Areas of smoke.
Chc of lightning....20 percent.
Min temperature.....55-65 F.
Max humidity........57-72%.
20-foot winds.......Upslope/upvalley 4 to 8 mph becoming
downslope/downvalley 3 to 6 mph by sunset.
CWR.................10 percent.
15K Ft MSL Winds....Northwest 5 to 10 mph.
Mixing Height.......7000 ft AGL until 2000, then 1000 ft AGL.
Transport Winds.....Northeast 5 to 10 mph until 2400, then
southeast.
Smoke dispersal.....Poor.
.SATURDAY...
Sky/weather.........Partly cloudy (30-40%) until 1200, then mostly
cloudy (60-70%). Areas of smoke. Isolated
thunderstorms until 1200. Scattered showers.
Scattered thunderstorms after 1200.
Chc of lightning....50 percent.
Max temperature.....75-85 F.
Min humidity........21-31%.
20-foot winds.......Downslope/downvalley 3 to 6 mph becoming
upslope/upvalley 4 to 8 mph by 1100.
CWR.................50 percent.
15K Ft MSL Winds....Northwest 10 to 15 mph.
Mixing Height.......1500 ft AGL until 0900. 9500 ft AGL after 1000.
Transport Winds.....Southeast 5 mph until 1200, then northwest.
Smoke dispersal.....Poor until 0900. Good after 1200.
.SATURDAY NIGHT...
Sky/weather.........Mostly cloudy (70-80%). Areas of smoke until
2400. Numerous showers and scattered
thunderstorms until 2400, then scattered
showers and isolated thunderstorms.
Chc of lightning....50 percent.
Min temperature.....53-63 F.
Max humidity........74-89%.
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....North 10 to 15 mph decreasing to 5 to 10 mph
after midnight.
Mixing Height.......7500 ft AGL until 1900. 1500 ft AGL after 2000.
Transport Winds.....Southeast 5 to 10 mph.
Smoke dispersal.....Poor.
.SUNDAY...
Sky/weather.........Mostly cloudy (70-80%). Scattered showers and
isolated thunderstorms until 1200, then showers
with numerous thunderstorms.
Chc of lightning....70 percent.
Max temperature.....69-79 F.
Min humidity........32-42%.
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....North 5 mph shifting to the southwest 5 to 10
mph in the afternoon.
Mixing Height.......2500 ft AGL until 1000, then 7000 ft AGL.
Transport Winds.....South 5 to 10 mph.
Smoke dispersal.....Poor until 0900. Fair after 1200.
.FORECAST FOR DAY 3 THROUGH 7...
.MONDAY...Showers with numerous thunderstorms. Lows 47-57. Highs
69-79. Winds less than 15 mph.
.TUESDAY...Mostly cloudy. Showers with numerous thunderstorms.
Lows 46-56. Highs 67-77. Winds less than 15 mph.
.WEDNESDAY...Showers with numerous thunderstorms. Lows 45-55.
Highs 63-73. Winds less than 15 mph.
.THURSDAY...Mostly cloudy. Numerous showers and scattered
thunderstorms. Lows 44-54. Highs 65-75.
.FRIDAY...Partly cloudy. Scattered showers and thunderstorms.
Lows 43-53. Highs 67-77.
$$
COZ295-231300-
Southwest Colorado Upper East Forecast Area-
257 PM MDT Fri Aug 22 2025
.TONIGHT...
Sky/weather.........Mostly cloudy (70-80%) until 2400, then partly
cloudy (50-60%). Areas of smoke until 2400.
Scattered showers and thunderstorms until 2400.
Chc of lightning....40 percent.
Min temperature.....51-61 F.
Max humidity........62-77%.
20-foot winds.......Downslope/downvalley winds 3 to 6 mph.
Localized gusts up to 20 mph in the evening.
CWR.................20 percent.
15K Ft MSL Winds....North 5 to 10 mph.
Mixing Height.......2500 ft AGL.
Transport Winds.....Northeast 5 to 10 mph.
Smoke dispersal.....Poor.
.SATURDAY...
Sky/weather.........Partly cloudy (30-40%) until 1200, then mostly
cloudy (70-80%). Numerous showers and scattered
thunderstorms until 1200, then showers with
numerous thunderstorms.
Chc of lightning....70 percent.
Max temperature.....77-87 F.
Min humidity........25-35%.
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....Northwest 10 to 15 mph.
Mixing Height.......2000 ft AGL until 0900, then 5500 ft AGL.
Transport Winds.....Northwest 5 mph.
Smoke dispersal.....Poor until 1200, then fair until 1500, then
poor.
.SATURDAY 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.....49-59 F.
Max humidity........77-92%.
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....Northwest 10 to 15 mph becoming north 5 to 10
mph after midnight.
Mixing Height.......2500 ft AGL.
Transport Winds.....East 5 mph.
Smoke dispersal.....Poor.
.SUNDAY...
Sky/weather.........Mostly cloudy (60-70%). Isolated showers and
thunderstorms until 1200, then showers with
numerous thunderstorms.
Chc of lightning....70 percent.
Max temperature.....72-82 F.
Min humidity........32-42%.
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....North 5 to 10 mph shifting to the west in the
afternoon.
Mixing Height.......7000 ft AGL.
Transport Winds.....West 5 mph.
Smoke dispersal.....Poor.
.FORECAST FOR DAY 3 THROUGH 7...
.MONDAY...Showers and thunderstorms. Lows 46-56. Highs 70-80.
Winds less than 15 mph.
.TUESDAY...Showers and thunderstorms. Lows 46-56. Highs 68-78.
Winds less than 15 mph.
.WEDNESDAY...Showers and thunderstorms. Lows 46-56. Highs 65-75.
Winds less than 15 mph.
.THURSDAY...Mostly cloudy. Numerous showers and scattered
thunderstorms. Lows 45-55. Highs 67-77.
.FRIDAY...Partly cloudy. Scattered showers and thunderstorms.
Lows 43-53. Highs 69-79.
$$
UTZ485-231300-
Eastern Ashley National Forest-
257 PM MDT Fri Aug 22 2025
.TONIGHT...
Sky/weather.........Partly cloudy (40-50%). Isolated showers and
thunderstorms until 2400.
Chc of lightning....10 percent.
Min temperature.....55-65 F near 7000 feet
40-50 F near 10000 feet.
24 hr trend......5 degrees warmer.
Max humidity........57-72%.
24 hr trend......5% wetter.
20-foot winds.......Upslope/upvalley 4 to 8 mph becoming
downslope/downvalley 3 to 6 mph by sunset.
CWR.................10 percent.
Mixing Height.......5000 ft AGL until 1900. 1500 ft AGL after 2000.
Transport Winds.....North 5 to 10 mph.
Clearing Index......650 until 1900. Less than 500 after 2000.
.SATURDAY...
Sky/weather.........Near 7000 feet, mostly sunny (20-30%). Near
10000 feet, mostly sunny (20-30%) until 1200,
then partly cloudy (30-40%). Isolated showers
and thunderstorms.
Chc of lightning....10 percent.
Max temperature.....76-86 F near 7000 feet
65-75 F near 10000 feet.
24 hr trend......1 degree warmer.
Min humidity........16-26% near 7000 feet
22-32% near 10000 feet.
24 hr trend......12% drier.
20-foot winds.......Downslope/downvalley 3 to 6 mph becoming
upslope/upvalley 4 to 8 mph by 1100.
CWR.................10 percent.
Mixing Height.......3500 ft AGL until 1200, then 11000 ft AGL.
Transport Winds.....Northwest 5 mph.
Clearing Index......Less than 500 until 1200. 1050 after 1300.
.SATURDAY NIGHT...
Sky/weather.........Partly cloudy (30-40%) until 2400, then mostly
cloudy (60-70%). Near 7000 feet, isolated
showers and thunderstorms until 2400. Near
10000 feet, isolated thunderstorms until 2400.
Isolated showers.
Chc of lightning....10 percent.
Min temperature.....57-67 F near 7000 feet
43-53 F near 10000 feet.
24 hr trend......7 degrees cooler.
Max humidity........43-53% near 7000 feet
50-60% near 10000 feet.
24 hr trend......8% drier.
20-foot winds.......Upslope/upvalley 4 to 8 mph becoming
downslope/downvalley 3 to 6 mph by sunset.
CWR.................0 percent.
Mixing Height.......10500 ft AGL until 1900. 1500 ft AGL after
2000.
Transport Winds.....Northwest 5 mph.
Clearing Index......1050 until 1900. Less than 500 after 2000.
.SUNDAY...
Sky/weather.........Mostly cloudy (60-70%). Near 7000 feet,
isolated showers until 1200. Near 10000 feet,
scattered showers and isolated thunderstorms
until 1200. Numerous showers and scattered
thunderstorms after 1200.
Chc of lightning....50 percent.
Max temperature.....72-82 F near 7000 feet
60-70 F near 10000 feet.
24 hr trend......4 degrees cooler.
Min humidity........27-37% near 7000 feet
36-46% near 10000 feet.
24 hr trend......14% wetter.
20-foot winds.......Downslope/downvalley 3 to 6 mph becoming
upslope/upvalley 4 to 8 mph by 1100.
CWR.................50 percent.
Mixing Height.......2500 ft AGL until 1000, then 8500 ft AGL.
Transport Winds.....West 5 mph.
Clearing Index......Less than 500 until 1100. 1050 after 1200.
.FORECAST FOR DAY 3 THROUGH 7...
.MONDAY...Mostly cloudy. Scattered showers and thunderstorms near
7000 feet and numerous showers and thunderstorms near 10000 feet
. Lows 51-61. Highs 68-78. Winds less than 15 mph.
.TUESDAY...Mostly cloudy. Numerous showers and scattered
thunderstorms near 7000 feet and showers with numerous
thunderstorms near 10000 feet. Lows 49-59. Highs 67-77. Winds
less than 15 mph.
.WEDNESDAY...Numerous showers and scattered thunderstorms. Lows
50-60. Highs 64-74. Winds less than 15 mph.
.THURSDAY...Mostly cloudy. Numerous showers and scattered
thunderstorms near 7000 feet and showers and scattered
thunderstorms near 10000 feet. Lows 48-58. Highs 64-74.
.FRIDAY...Partly cloudy. Scattered showers and thunderstorms .
Lows 46-56. Highs 64-74.
$$
UTZ486-231300-
Eastern Uinta Basin-
257 PM MDT Fri Aug 22 2025
.TONIGHT...
Sky/weather.........Partly cloudy (50-60%). Isolated showers and
thunderstorms until 2400.
Chc of lightning....10 percent.
Min temperature.....57-67 F near 5000 feet
51-61 F near 8000 feet.
24 hr trend......4 degrees cooler.
Max humidity........48-58% near 5000 feet
56-66% near 8000 feet.
24 hr trend......10% wetter.
20-foot winds.......Upslope/upvalley 4 to 8 mph becoming
downslope/downvalley 3 to 6 mph by sunset.
CWR.................10 percent.
Mixing Height.......5000 ft AGL until 2000, then 1500 ft AGL.
Transport Winds.....North 5 to 10 mph.
Clearing Index......550 until 2000, then less than 500.
.SATURDAY...
Sky/weather.........Mostly sunny (20-30%). Near 5000 feet, isolated
showers and thunderstorms after 1200. Near 8000
feet, isolated showers. Isolated thunderstorms
after 1200.
Chc of lightning....10 percent.
Max temperature.....83-93 F near 5000 feet
72-82 F near 8000 feet.
24 hr trend......Unchanged.
Min humidity........13-23%.
24 hr trend......4% drier.
20-foot winds.......Downslope/downvalley 3 to 6 mph becoming
upslope/upvalley 4 to 8 mph by 1100.
CWR.................10 percent.
Mixing Height.......5000 ft AGL until 1300, then 13000 ft AGL.
Transport Winds.....Northeast 5 mph until 1200, then northwest.
Clearing Index......Less than 500 until 1200. 1050 after 1300.
.SATURDAY NIGHT...
Sky/weather.........Near 5000 feet, partly cloudy (40-50%). Near
8000 feet, partly cloudy (30-40%) until 2400,
then mostly cloudy (60-70%), isolated showers
until 2400.
Chc of lightning....0 percent.
Min temperature.....59-69 F near 5000 feet
53-63 F near 8000 feet.
24 hr trend......2 degrees warmer.
Max humidity........34-44%.
24 hr trend......14% drier.
20-foot winds.......Upslope/upvalley 4 to 8 mph becoming
downslope/downvalley 3 to 6 mph by sunset.
CWR.................0 percent.
Mixing Height.......11500 ft AGL until 1900. 1500 ft AGL after
2000.
Transport Winds.....Northwest 5 to 10 mph until 2400, then
northeast.
Clearing Index......1050 until 1900. Less than 500 after 2000.
.SUNDAY...
Sky/weather.........Mostly cloudy (60-70%). Isolated showers until
1200. Scattered showers and thunderstorms after
1200.
Chc of lightning....50 percent.
Max temperature.....77-87 F near 5000 feet
66-76 F near 8000 feet.
24 hr trend......5 degrees cooler.
Min humidity........23-33%.
24 hr trend......9% wetter.
20-foot winds.......Downslope/downvalley 3 to 6 mph becoming
upslope/upvalley 4 to 8 mph by 1100.
CWR.................40 percent.
Mixing Height.......2500 ft AGL until 1000, then 9000 ft AGL.
Transport Winds.....South 5 mph until 1200, then west.
Clearing Index......Less than 500 until 1100. 1050 after 1200.
.FORECAST FOR DAY 3 THROUGH 7...
.MONDAY...Mostly cloudy. Scattered showers and thunderstorms .
Lows 57-67. Highs 73-83. Winds less than 15 mph.
.TUESDAY...Mostly cloudy. Numerous showers and scattered
thunderstorms near 6000 feet and numerous showers and scattered
thunderstorms near 8000 feet. Lows 54-64. Highs 73-83. Winds
less than 15 mph.
.WEDNESDAY...Numerous showers and scattered thunderstorms. Lows
55-65. Highs 69-79. Winds less than 15 mph.
.THURSDAY...Mostly cloudy. Numerous showers and scattered
thunderstorms near 6000 feet and numerous showers and scattered
thunderstorms near 8000 feet. Lows 53-63. Highs 69-79.
.FRIDAY...Partly cloudy. Scattered showers and thunderstorms .
Lows 51-61. Highs 70-80.
$$
UTZ487-231300-
Book Cliffs-
257 PM MDT Fri Aug 22 2025
.TONIGHT...
Sky/weather.........Near 5000 feet, mostly cloudy (60-70%) until
2400, then partly cloudy (30-40%). Near 8000
feet, partly cloudy (50-60%). Isolated showers
and thunderstorms until 2400.
Chc of lightning....10 percent.
Min temperature.....60-70 F.
24 hr trend......3 degrees cooler.
Max humidity........47-57%.
24 hr trend......11% wetter.
20-foot winds.......Upslope/upvalley 4 to 8 mph becoming
downslope/downvalley 3 to 6 mph by sunset.
CWR.................10 percent.
Mixing Height.......5000 ft AGL until 2000, then 1500 ft AGL.
Transport Winds.....Northwest 5 to 10 mph until 2400, then
southwest.
Clearing Index......900 until 1900. Less than 500 after 2000.
.SATURDAY...
Sky/weather.........Mostly sunny (20-30%) until 1200, then partly
cloudy (30-40%). Near 5000 feet, isolated
showers and thunderstorms. Near 8000 feet,
isolated showers and thunderstorms until 1200,
then scattered showers and thunderstorms.
Chc of lightning....20 percent.
Max temperature.....81-91 F near 5000 feet
77-87 F near 8000 feet.
24 hr trend......1 degree cooler.
Min humidity........11-21% near 5000 feet
17-27% near 8000 feet.
24 hr trend......2% drier.
20-foot winds.......Downslope/downvalley 3 to 6 mph becoming
upslope/upvalley 4 to 8 mph by 1100.
CWR.................10 percent.
Mixing Height.......1500 ft AGL until 1000. 11000 ft AGL after
1200.
Transport Winds.....East 5 mph until 1200, then northwest.
Clearing Index......Less than 500 until 1200. 1050 after 1300.
.SATURDAY NIGHT...
Sky/weather.........Mostly cloudy (60-70%). Isolated thunderstorms
until 2400. Scattered showers.
Chc of lightning....20 percent.
Min temperature.....60-70 F near 5000 feet
53-63 F near 8000 feet.
24 hr trend......3 degrees warmer.
Max humidity........41-51% near 5000 feet
54-64% near 8000 feet.
24 hr trend......3% 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 2000, then 1500 ft AGL.
Transport Winds.....Northwest 5 to 10 mph until 2400, then south.
Clearing Index......1050 until 1900. Less than 500 after 2000.
.SUNDAY...
Sky/weather.........Near 5000 feet, partly cloudy (50-60%) until
1200, then mostly cloudy (70-80%). Near 8000
feet, mostly cloudy (70-80%). Scattered
showers and isolated thunderstorms until 1200.
Showers and scattered thunderstorms after 1200.
Chc of lightning....50 percent.
Max temperature.....75-85 F near 5000 feet
71-81 F near 8000 feet.
24 hr trend......5 degrees cooler.
Min humidity........24-34% near 5000 feet
32-42% near 8000 feet.
24 hr trend......14% wetter.
20-foot winds.......Downslope/downvalley 3 to 6 mph becoming
upslope/upvalley 4 to 8 mph by 1100.
CWR.................60 percent.
Mixing Height.......2000 ft AGL until 1000, then 7000 ft AGL.
Transport Winds.....Southwest 5 to 10 mph.
Clearing Index......Less than 500 until 1000. 1050 after 1200.
.FORECAST FOR DAY 3 THROUGH 7...
.MONDAY...Mostly cloudy. Showers with numerous thunderstorms near
6000 feet and showers and scattered thunderstorms near 8000 feet
. Lows 56-66. Highs 76-86. Winds less than 15 mph.
.TUESDAY...Mostly cloudy. Showers and scattered thunderstorms
near 6000 feet and showers and scattered thunderstorms near
8000 feet. Lows 54-64. Highs 75-85. Winds less than 15 mph.
.WEDNESDAY...Numerous showers and scattered thunderstorms near
6000 feet and showers and scattered thunderstorms near 8000 feet
. Lows 55-65. Highs 70-80. Winds less than 15 mph.
.THURSDAY...Mostly cloudy. Numerous showers and scattered
thunderstorms near 6000 feet and numerous showers and scattered
thunderstorms near 8000 feet. Lows 52-62. Highs 72-82.
.FRIDAY...Partly cloudy. Scattered showers and thunderstorms .
Lows 51-61. Highs 73-83.
$$
UTZ490-231300-
Colorado River Basin-
257 PM MDT Fri Aug 22 2025
.TONIGHT...
Sky/weather.........Mostly cloudy (60-70%) until 2400, then partly
cloudy (30-40%). Isolated showers and
thunderstorms until 2400.
Chc of lightning....10 percent.
Min temperature.....65-75 F near 5000 feet
59-69 F near 7000 feet.
24 hr trend......1 degree cooler.
Max humidity........35-45%.
24 hr trend......8% wetter.
20-foot winds.......Downslope/downvalley winds 3 to 6 mph.
Localized gusts up to 25 mph in the evening.
CWR.................10 percent.
Mixing Height.......7500 ft AGL until 2000, then 1500 ft AGL.
Transport Winds.....Northeast 5 to 10 mph.
Clearing Index......950 until 2000, then less than 500.
.SATURDAY...
Sky/weather.........Mostly sunny (20-30%) until 1200, then partly
cloudy (30-40%). Near 5000 feet, isolated
showers and thunderstorms. Near 7000 feet,
isolated showers until 1200. Isolated
thunderstorms. Scattered showers after 1200.
Chc of lightning....20 percent.
Max temperature.....92-102 F near 5000 feet
81-91 F near 7000 feet.
24 hr trend......2 degrees cooler.
Min humidity........12-17%.
24 hr trend......1% wetter.
20-foot winds.......Downslope/downvalley 3 to 6 mph becoming
upslope/upvalley 4 to 8 mph by 1100.
CWR.................10 percent.
Mixing Height.......3000 ft AGL until 1100, then 12500 ft AGL.
Transport Winds.....North 5 to 10 mph.
Clearing Index......Less than 500 until 1300, then 1000.
.SATURDAY NIGHT...
Sky/weather.........Mostly cloudy (60-70%). Scattered showers and
isolated thunderstorms.
Chc of lightning....20 percent.
Min temperature.....64-74 F near 5000 feet
58-68 F near 7000 feet.
24 hr trend......1 degree warmer.
Max humidity........41-51%.
24 hr trend......3% wetter.
20-foot winds.......Upslope/upvalley 4 to 8 mph becoming
downslope/downvalley 3 to 6 mph by sunset.
CWR.................10 percent.
Mixing Height.......7000 ft AGL until 2000, then 1500 ft AGL.
Transport Winds.....North 5 to 10 mph until 2400, then south.
Clearing Index......1000 until 2000, then less than 500.
.SUNDAY...
Sky/weather.........Near 5000 feet, partly cloudy (50-60%) until
1200, then mostly cloudy (70-80%), numerous
showers and scattered thunderstorms after 1200.
near 7000 feet, mostly cloudy (70-80%),
showers and scattered thunderstorms after 1200.
Scattered showers and isolated thunderstorms
until 1200.
Chc of lightning....50 percent.
Max temperature.....85-95 F near 5000 feet
74-84 F near 7000 feet.
24 hr trend......6 degrees cooler.
Min humidity........21-31%.
24 hr trend......11% wetter.
20-foot winds.......Downslope/downvalley 3 to 6 mph becoming
upslope/upvalley 4 to 8 mph by 1100.
CWR.................40 percent.
Mixing Height.......3500 ft AGL until 1100, then 8500 ft AGL.
Transport Winds.....Southwest 5 to 10 mph.
Clearing Index......Less than 500 until 1200, then 1050.
.FORECAST FOR DAY 3 THROUGH 7...
.MONDAY...Showers and scattered thunderstorms near 5000 feet and
showers and scattered thunderstorms near 7000 feet. Lows 62-72.
Highs 81-91. Winds less than 15 mph.
.TUESDAY...Mostly cloudy. Scattered showers and thunderstorms
near 5000 feet and showers and scattered thunderstorms near
7000 feet. Lows 61-71. Highs 81-91. Winds less than 15 mph.
.WEDNESDAY...Numerous showers and scattered thunderstorms near
5000 feet and showers and scattered thunderstorms near 7000 feet
. Lows 59-69. Highs 74-84. Winds less than 15 mph.
.THURSDAY...Mostly cloudy. Scattered showers and thunderstorms
near 5000 feet and numerous showers and scattered thunderstorms
near 7000 feet. Lows 57-67. Highs 76-86.
.FRIDAY...Partly cloudy. Scattered showers and thunderstorms .
Lows 57-67. Highs 77-87.
$$
UTZ491-231300-
Southeast Utah-
257 PM MDT Fri Aug 22 2025
.TONIGHT...
Sky/weather.........Near 5000 feet, partly cloudy (50-60%). Near
8000 feet, mostly cloudy (60-70%) until 2400,
then partly cloudy (40-50%). Isolated showers
and thunderstorms until 2400.
Chc of lightning....20 percent.
Min temperature.....65-75 F near 5000 feet
57-67 F near 8000 feet.
24 hr trend......1 degree cooler.
Max humidity........39-49%.
24 hr trend......6% wetter.
20-foot winds.......Upslope/upvalley 4 to 8 mph becoming
downslope/downvalley 3 to 6 mph by sunset.
CWR.................10 percent.
Mixing Height.......11500 ft AGL until 2000, then 1500 ft AGL.
Transport Winds.....North 5 to 10 mph until 2400, then northeast.
Clearing Index......1050 until 2000, then less than 500.
.SATURDAY...
Sky/weather.........Partly cloudy (30-40%). Isolated showers and
thunderstorms until 1200. Scattered showers and
thunderstorms after 1200.
Chc of lightning....50 percent.
Max temperature.....90-100 F near 5000 feet
76-86 F near 8000 feet.
24 hr trend......3 degrees cooler.
Min humidity........14-24%.
24 hr trend......5% wetter.
20-foot winds.......Downslope/downvalley 3 to 6 mph becoming
upslope/upvalley 4 to 8 mph by 1100.
CWR.................10 percent.
Mixing Height.......3000 ft AGL until 1100, then 12500 ft AGL.
Transport Winds.....East 5 mph until 1200, then north.
Clearing Index......Less than 500 until 1300. 1050 after 1600.
.SATURDAY NIGHT...
Sky/weather.........Mostly cloudy (70-80%). Numerous showers and
scattered thunderstorms until 2400. Scattered
showers and isolated thunderstorms after 2400.
Chc of lightning....50 percent.
Min temperature.....65-75 F near 5000 feet
55-65 F near 8000 feet.
24 hr trend......2 degrees cooler.
Max humidity........49-59% near 5000 feet
56-71% near 8000 feet.
24 hr trend......10% wetter.
20-foot winds.......Upslope/upvalley 4 to 8 mph becoming
downslope/downvalley 3 to 6 mph by sunset.
CWR.................60 percent.
Mixing Height.......11500 ft AGL until 1900. 2000 ft AGL after
2000.
Transport Winds.....Northeast 5 to 10 mph until 2400, then
southeast.
Clearing Index......1050 until 2000, then less than 500.
.SUNDAY...
Sky/weather.........Mostly cloudy (60-70%). Near 5000 feet,
isolated showers and thunderstorms until 1200,
then numerous showers and scattered
thunderstorms. Near 8000 feet, scattered
showers and isolated thunderstorms until 1200,
then showers and scattered thunderstorms.
Chc of lightning....50 percent.
Max temperature.....83-93 F near 5000 feet
69-79 F near 8000 feet.
24 hr trend......7 degrees cooler.
Min humidity........25-35% near 5000 feet
34-44% 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.................40 percent.
Mixing Height.......3500 ft AGL until 1100, then 9000 ft AGL.
Transport Winds.....Southeast 5 to 10 mph until 1200, then south.
Clearing Index......Less than 500 until 1200, then 1050.
.FORECAST FOR DAY 3 THROUGH 7...
.MONDAY...Mostly cloudy. Numerous showers and scattered
thunderstorms near 5000 feet and showers and scattered
thunderstorms near 8000 feet. Lows 61-71. Highs 82-92. Winds
less than 15 mph.
.TUESDAY...Mostly cloudy. Scattered showers and thunderstorms
near 5000 feet and showers and scattered thunderstorms near
8000 feet. Lows 61-71. Highs 81-91. Winds less than 15 mph.
.WEDNESDAY...Mostly cloudy. Numerous showers and scattered
thunderstorms near 5000 feet and showers and scattered
thunderstorms near 8000 feet. Lows 58-68. Highs 76-86. Winds
less than 15 mph.
.THURSDAY...Partly cloudy near 5000 feet and mostly cloudy near
8000 feet and scattered showers and thunderstorms . Lows 57-67.
Highs 78-88.
.FRIDAY...Partly cloudy. Isolated showers and thunderstorms near
5000 feet and scattered showers and thunderstorms near 8000 feet
. Lows 57-67. Highs 79-89.
$$