Routine Fire Wx Fcst (With/Without 6-10 Day Outlook)
Issued by NWS Grand Junction, CO
Issued by NWS Grand Junction, CO
624
FNUS55 KGJT 090157 AAA
FWFGJT
Fire Weather Planning Forecast for Wrn Colorado and Ern Utah...UPDATED
National Weather Service Grand Junction CO
757 PM MDT Fri Aug 8 2025
...RED FLAG WARNING REMAINS IN EFFECT UNTIL 10 PM MDT THIS
EVENING FOR GUSTY WINDS, LOW HUMIDITY AND DRY FUELS FOR COLORADO
FIRE WEATHER ZONES 200, 201, 202, 203, 205, 207, 290, 292, 293
AND 294, AS WELL AS UTAH FIRE WEATHER ZONES 485, 486, 487, 490
AND 491...
...RED FLAG WARNING IN EFFECT FROM 11 AM UNTIL 8 PM MDT SATURDAY
FOR GUSTY WINDS, LOW HUMIDITY AND DRY FUELS FOR COLORADO FIRE
WEATHER ZONES 201, 202, 203, 205, 207, 290, 292, 293 AND 294, AS
WELL AS UTAH FIRE WEATHER ZONES 487, 490 AND 491...
.DISCUSSION...Critical fire weather conditions are ongoing as dry
air remains in place and winds are gusting up to 25 to 40 mph
across the region. A cold front will move through across the north
this evening, supporting northwest to north winds behind the
front. There is a chance of showers along the front, with gusty
winds rather than wetting rain. Tomorrow gusty westerly winds will
support another day of widespread critical fire weather
conditions, so Red Flag Warnings remain in effect.
...GUSTY ERRATIC WINDS CAN BE EXPECTED NEAR ANY SHOWERS
OR THUNDERSTORMS...
...THE SMOKE DATA IS CALCULATED FROM AN AVERAGE AT 6000 FEET MSL...
COZ200-091800-
Little Snake Forecast Area-
757 PM MDT Fri Aug 8 2025
...RED FLAG WARNING IN EFFECT UNTIL 10 PM MDT THIS EVENING...
.REST OF TONIGHT...
Sky/weather.........Partly cloudy (40-50%).
Chc of lightning....0 percent.
Min temperature.....51-61 F.
Max humidity........21-31%.
20-foot winds.......Downslope/downvalley winds 3 to 6 mph.
Localized gusts up to 25 mph in the evening.
CWR.................0 percent.
15K Ft MSL Winds....West 30 to 40 mph.
Mixing Height.......7000 ft AGL until 2000, then 2000 ft AGL.
Transport Winds.....North 5 to 10 mph.
Smoke dispersal.....Good until 2100, then poor.
.SATURDAY...
Sky/weather.........Partly cloudy (30-40%) until 1200, then mostly
cloudy (60-70%). Near 8000 feet, areas of smoke
after 1200.
Chc of lightning....0 percent.
Max temperature.....78-88 F near 6000 feet
66-76 F near 8000 feet.
Min humidity........5-10%.
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 30 to 40 mph decreasing to 20 to 30 mph in
the afternoon.
Mixing Height.......3000 ft AGL until 1100, then 13000 ft AGL.
Transport Winds.....North 5 mph until 1200, then west 10 to 15 mph.
Smoke dispersal.....Poor until 0900. Excellent after 1500.
.SATURDAY NIGHT...
Sky/weather.........Near 6000 feet, mostly cloudy (70-80%) until
2400, then partly cloudy (50-60%), areas of
smoke. Near 8000 feet, mostly cloudy (60-70%),
areas of smoke until 2400.
Chc of lightning....0 percent.
Min temperature.....50-60 F.
Max humidity........24-34%.
20-foot winds.......Downslope/downvalley winds 3 to 6 mph.
Localized gusts up to 20 mph in the evening.
CWR.................0 percent.
15K Ft MSL Winds....West 20 to 25 mph decreasing to 15 to 20 mph
after midnight.
Mixing Height.......10500 ft AGL until 2000, then 2000 ft AGL.
Transport Winds.....North 5 to 10 mph.
Smoke dispersal.....Good until 2100, then poor.
.SUNDAY...
Sky/weather.........Partly cloudy (30-40%) until 1200, then mostly
sunny (10-20%).
Chc of lightning....0 percent.
Max temperature.....76-86 F near 6000 feet
66-76 F near 8000 feet.
Min humidity........6-11%.
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....Northwest 10 to 15 mph.
Mixing Height.......3000 ft AGL until 1000. 13000 ft AGL after
1200.
Transport Winds.....Northwest 5 to 10 mph.
Smoke dispersal.....Poor until 0900. Good after 1200.
.FORECAST FOR DAY 3 THROUGH 7...
.MONDAY...Mostly clear. Lows 46-56. Highs 83-93. Winds less than
15 mph.
.TUESDAY...Mostly clear. Lows 49-59. Highs 87-97. Winds less than
15 mph.
.WEDNESDAY...Mostly clear. Lows 51-61. Highs 88-98. Winds less
than 15 mph.
.THURSDAY...Mostly clear. Isolated showers and thunderstorms near
8000 feet. Lows 52-62. Highs 88-98.
.FRIDAY...Mostly clear. Isolated showers and thunderstorms. Lows
52-62. Highs 86-96.
$$
COZ201-091800-
Routt Forecast Area-
757 PM MDT Fri Aug 8 2025
...RED FLAG WARNING IN EFFECT UNTIL 10 PM MDT THIS EVENING...
...RED FLAG WARNING IN EFFECT FROM 11 AM TO 8 PM MDT SATURDAY...
.REST OF TONIGHT...
Sky/weather.........Mostly cloudy (60-70%) until 2400, then partly
cloudy (30-40%). Areas of smoke until 2400.
Isolated showers and thunderstorms until 2400.
Chc of lightning....10 percent.
Min temperature.....44-54 F.
Max humidity........33-43%.
20-foot winds.......Downslope/downvalley winds 3 to 6 mph.
Localized gusts up to 30 mph in the evening.
CWR.................0 percent.
15K Ft MSL Winds....West 25 to 35 mph increasing to 30 to 40 mph
after midnight.
Mixing Height.......7500 ft AGL until 2000, then 1500 ft AGL.
Transport Winds.....Northwest 5 mph.
Smoke dispersal.....Fair until 2100, then poor.
.SATURDAY...
Sky/weather.........Mostly sunny (20-30%) until 1200, then partly
cloudy (50-60%). Areas of smoke.
Chc of lightning....0 percent.
Max temperature.....69-79 F.
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 30 to 40 mph decreasing to 20 to 30 mph in
the afternoon.
Mixing Height.......1500 ft AGL until 0900. 11500 ft AGL after
1200.
Transport Winds.....West 5 to 10 mph until 1200, then 20 to 25 mph.
Smoke dispersal.....Poor until 0900. Excellent after 1200.
.SATURDAY NIGHT...
Sky/weather.........Mostly cloudy (70-80%). Areas of smoke until
2400.
Chc of lightning....0 percent.
Min temperature.....44-54 F.
Max humidity........27-37%.
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 decreasing to 15 to 20 mph
after midnight.
Mixing Height.......10000 ft AGL until 1900. 1500 ft AGL after
2000.
Transport Winds.....Northwest 5 to 10 mph until 2400, then east.
Smoke dispersal.....Good until 2100, then poor.
.SUNDAY...
Sky/weather.........Partly cloudy (40-50%) until 1200, then mostly
sunny (20-30%). Isolated showers and
thunderstorms after 1200.
Chc of lightning....10 percent.
Max temperature.....66-76 F.
Min humidity........12-17%.
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 10 to 15 mph decreasing to 5 to 10 mph in
the afternoon.
Mixing Height.......3500 ft AGL until 1000, then 12000 ft AGL.
Transport Winds.....Northwest 5 mph.
Smoke dispersal.....Poor until 0900. Very good after 1200.
.FORECAST FOR DAY 3 THROUGH 7...
.MONDAY...Mostly clear. Lows 42-52. Highs 72-82. Winds less than
15 mph.
.TUESDAY...Mostly clear. Lows 45-55. Highs 76-86. Winds less than
15 mph.
.WEDNESDAY...Mostly clear. Isolated showers. Lows 47-57. Highs
77-87. Winds less than 15 mph.
.THURSDAY...Mostly clear. Isolated showers and thunderstorms.
Lows 48-58. Highs 77-87.
.FRIDAY...Partly cloudy. Isolated showers and thunderstorms. Lows
48-58. Highs 74-84.
$$
COZ202-091800-
White River Forecast Area-
757 PM MDT Fri Aug 8 2025
...RED FLAG WARNING IN EFFECT UNTIL 10 PM MDT THIS EVENING...
...RED FLAG WARNING IN EFFECT FROM 11 AM TO 8 PM MDT SATURDAY...
.REST OF TONIGHT...
Sky/weather.........Near 6000 feet, partly cloudy (40-50%). Near
8000 feet, mostly cloudy (60-70%) until 2400,
then partly cloudy (30-40%). Areas of smoke.
Chc of lightning....0 percent.
Min temperature.....49-59 F.
Max humidity........21-31%.
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 25 to 35 mph increasing to 35 to 45 mph
after midnight.
Mixing Height.......7000 ft AGL until 2000, then 1500 ft AGL.
Transport Winds.....Northwest 10 to 15 mph until 2400, then
northeast.
Smoke dispersal.....Good until 2100, then poor.
.SATURDAY...
Sky/weather.........Partly cloudy (50-60%). Near 6000 feet, areas
of smoke.
Chc of lightning....0 percent.
Max temperature.....79-89 F near 6000 feet
71-81 F near 8000 feet.
Min humidity........5-10%.
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 30 to 40 mph decreasing to 25 to 35 mph in
the afternoon.
Mixing Height.......1500 ft AGL until 1000. 12500 ft AGL after
1100.
Transport Winds.....Northeast 5 mph until 1200, then west 15 to 20
mph.
Smoke dispersal.....Poor until 0900. Excellent after 1500.
.SATURDAY NIGHT...
Sky/weather.........Mostly cloudy (60-70%). Areas of smoke.
Chc of lightning....0 percent.
Min temperature.....49-59 F.
Max humidity........19-29%.
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 decreasing to 20 to 25 mph
after midnight.
Mixing Height.......12000 ft AGL until 1900. 1500 ft AGL after
2000.
Transport Winds.....North 5 to 10 mph.
Smoke dispersal.....Very good until 2100, then poor.
.SUNDAY...
Sky/weather.........Partly cloudy (40-50%) until 1200, then mostly
sunny (10-20%).
Chc of lightning....0 percent.
Max temperature.....77-87 F near 6000 feet
68-78 F near 8000 feet.
Min humidity........5-10%.
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 becoming northwest 5 to 10
mph in the afternoon.
Mixing Height.......2500 ft AGL until 1000. 12500 ft AGL after
1200.
Transport Winds.....Northwest 5 mph.
Smoke dispersal.....Poor until 0900. Good after 1200.
.FORECAST FOR DAY 3 THROUGH 7...
.MONDAY...Mostly clear. Lows 47-57. Highs 83-93. Winds less than
15 mph.
.TUESDAY...Mostly clear. Lows 50-60. Highs 87-97. Winds less than
15 mph.
.WEDNESDAY...Mostly clear. Isolated showers near 6000 feet. Lows
52-62. Highs 89-99. Winds less than 15 mph.
.THURSDAY...Mostly clear. Isolated showers and thunderstorms.
Lows 53-63. Highs 89-99.
.FRIDAY...Mostly clear. Isolated showers and thunderstorms. Lows
53-63. Highs 86-96.
$$
COZ203-091800-
Lower Colorado River-
757 PM MDT Fri Aug 8 2025
...RED FLAG WARNING IN EFFECT UNTIL 10 PM MDT THIS EVENING...
...RED FLAG WARNING IN EFFECT FROM 11 AM TO 8 PM MDT SATURDAY...
.REST OF TONIGHT...
Sky/weather.........Partly cloudy (30-40%). Areas of smoke.
Chc of lightning....0 percent.
Min temperature.....57-67 F near 6000 feet
51-61 F near 8000 feet.
Max humidity........23-33%.
20-foot winds.......Northwest winds 10 to 15 mph with gusts to 35
mph in the evening becoming
downslope/downvalley 3 to 6 mph by sunset.
CWR.................0 percent.
15K Ft MSL Winds....West 20 to 30 mph increasing to 25 to 35 mph
after midnight.
Mixing Height.......12500 ft AGL until 2000, then 2000 ft AGL.
Transport Winds.....North 5 to 10 mph.
Smoke dispersal.....Very good until 2100, then poor.
.SATURDAY...
Sky/weather.........Mostly sunny (20-30%) until 1200, then partly
cloudy (30-40%). Areas of smoke.
Chc of lightning....0 percent.
Max temperature.....84-94 F near 6000 feet
74-84 F near 8000 feet.
Min humidity........7-12%.
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.......2500 ft AGL until 1000. 15000 ft AGL after
1200.
Transport Winds.....Southwest 5 mph until 1200, then west 20 to 25
mph.
Smoke dispersal.....Poor until 0900. Excellent after 1200.
.SATURDAY NIGHT...
Sky/weather.........Mostly cloudy (60-70%). Areas of smoke.
Chc of lightning....0 percent.
Min temperature.....59-69 F near 6000 feet
52-62 F near 8000 feet.
Max humidity........17-27%.
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 30 mph.
Mixing Height.......11500 ft AGL until 2000, then 2500 ft AGL.
Transport Winds.....North 5 to 10 mph.
Smoke dispersal.....Very good until 2100, then poor.
.SUNDAY...
Sky/weather.........Partly cloudy (40-50%).
Chc of lightning....0 percent.
Max temperature.....81-91 F near 6000 feet
71-81 F near 8000 feet.
Min humidity........6-11%.
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 becoming northwest 10 to 15
mph in the afternoon.
Mixing Height.......3500 ft AGL until 1000. 14500 ft AGL after
1200.
Transport Winds.....Northwest 5 mph.
Smoke dispersal.....Poor until 0900. Very good after 1200.
.FORECAST FOR DAY 3 THROUGH 7...
.MONDAY...Clear. Lows 54-64. Highs 85-95. Winds less than 15 mph.
.TUESDAY...Mostly clear. Lows 56-66. Highs 88-98. Winds less than
15 mph.
.WEDNESDAY...Mostly clear. Lows 58-68. Highs 90-100. Winds less
than 15 mph.
.THURSDAY...Mostly clear. Isolated showers and thunderstorms.
Lows 59-69. Highs 89-99.
.FRIDAY...Mostly clear. Isolated showers and thunderstorms. Lows
58-68. Highs 86-96.
$$
COZ205-091800-
Colorado River Headwaters-
757 PM MDT Fri Aug 8 2025
...RED FLAG WARNING IN EFFECT UNTIL 10 PM MDT THIS EVENING...
...RED FLAG WARNING IN EFFECT FROM 11 AM TO 8 PM MDT SATURDAY...
.REST OF TONIGHT...
Sky/weather.........Partly cloudy (40-50%). Areas of smoke.
Chc of lightning....0 percent.
Min temperature.....49-59 F.
Max humidity........37-47%.
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 25 to 35 mph.
Mixing Height.......10000 ft AGL until 2000, then 2000 ft AGL.
Transport Winds.....Northwest 10 to 15 mph until 2400, then west 5
mph.
Smoke dispersal.....Very good until 2100, then poor.
.SATURDAY...
Sky/weather.........Mostly sunny (20-30%) until 1200, then partly
cloudy (40-50%). Areas of smoke after 1200.
Chc of lightning....0 percent.
Max temperature.....74-84 F.
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 25 to 35 mph decreasing to 20 to 30 mph in
the afternoon.
Mixing Height.......2500 ft AGL until 0900. 13000 ft AGL after
1100.
Transport Winds.....Southwest 5 to 10 mph until 1200, then west 20
to 25 mph.
Smoke dispersal.....Poor until 0900. Excellent after 1200.
.SATURDAY NIGHT...
Sky/weather.........Mostly cloudy (60-70%). Areas of smoke until
2400.
Chc of lightning....0 percent.
Min temperature.....50-60 F.
Max humidity........34-44%.
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.......12000 ft AGL until 1900. 2000 ft AGL after
2000.
Transport Winds.....Northwest 10 to 15 mph until 2400, then south 5
mph.
Smoke dispersal.....Good until 2100, then poor.
.SUNDAY...
Sky/weather.........Mostly cloudy (60-70%) until 1200, then partly
cloudy (30-40%). Isolated showers. Isolated
thunderstorms after 1200.
Chc of lightning....10 percent.
Max temperature.....71-81 F.
Min humidity........10-15%.
20-foot winds.......Downslope/downvalley 3 to 6 mph becoming
upslope/upvalley 4 to 8 mph by 1100.
CWR.................10 percent.
15K Ft MSL Winds....West 15 to 20 mph decreasing to 10 to 15 mph in
the afternoon.
Mixing Height.......6000 ft AGL until 1100, then 13500 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...Mostly clear. Lows 42-52. Highs 74-84. Winds less than
15 mph.
.TUESDAY...Mostly clear. Lows 45-55. Highs 77-87. Winds less than
15 mph.
.WEDNESDAY...Mostly clear. Lows 47-57. Highs 79-89. Winds less
than 15 mph.
.THURSDAY...Mostly clear. Isolated showers and thunderstorms.
Lows 48-58. Highs 78-88.
.FRIDAY...Partly cloudy. Scattered showers and thunderstorms.
Lows 47-57. Highs 76-86.
$$
COZ290-091800-
Paradox Valley Forecast Area-
757 PM MDT Fri Aug 8 2025
...RED FLAG WARNING IN EFFECT UNTIL 10 PM MDT THIS EVENING...
...RED FLAG WARNING IN EFFECT FROM 11 AM TO 8 PM MDT SATURDAY...
.REST OF TONIGHT...
Sky/weather.........Partly cloudy (30-40%).
Chc of lightning....0 percent.
Min temperature.....54-64 F near 6000 feet
51-61 F near 8000 feet.
Max humidity........21-31% near 6000 feet
27-37% 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 20 to 25 mph.
Mixing Height.......13000 ft AGL until 2000, then 2000 ft AGL.
Transport Winds.....West 10 to 15 mph until 2400, then northeast 5
mph.
Smoke dispersal.....Excellent until 2100, then poor.
.SATURDAY...
Sky/weather.........Near 6000 feet, mostly sunny (20-30%). Near
8000 feet, mostly sunny (10-20%) until 1200,
then partly cloudy (30-40%), areas of smoke
until 1200.
Chc of lightning....0 percent.
Max temperature.....85-95 F near 6000 feet
73-83 F near 8000 feet.
Min humidity........5-10%.
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.
Mixing Height.......2000 ft AGL until 1000. 15500 ft AGL after
1100.
Transport Winds.....South 5 mph until 1200, then west 20 to 25 mph.
Smoke dispersal.....Poor until 0900. Excellent after 1200.
.SATURDAY NIGHT...
Sky/weather.........Near 6000 feet, partly cloudy (50-60%) until
2400, then mostly cloudy (70-80%). Near 8000
feet, mostly cloudy (60-70%).
Chc of lightning....0 percent.
Min temperature.....57-67 F near 6000 feet
52-62 F near 8000 feet.
Max humidity........16-26% near 6000 feet
25-35% 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 20 to 25 mph increasing to 25 to 35 mph
after midnight.
Mixing Height.......13000 ft AGL until 2000, then 1500 ft AGL.
Transport Winds.....Northwest 10 to 15 mph until 2400, then north 5
mph.
Smoke dispersal.....Very good until 2100, then poor.
.SUNDAY...
Sky/weather.........Mostly cloudy (60-70%) until 1200, then partly
cloudy (40-50%). Near 8000 feet, isolated
showers and thunderstorms after 1200.
Chc of lightning....0 percent.
Max temperature.....81-91 F near 6000 feet
69-79 F near 8000 feet.
Min humidity........5-10%.
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 decreasing to 15 to 20 mph in
the afternoon.
Mixing Height.......2500 ft AGL until 1000. 13500 ft AGL after
1200.
Transport Winds.....Southwest 5 mph until 1200, then west 10 to 15
mph.
Smoke dispersal.....Poor until 0900. Excellent after 1500.
.FORECAST FOR DAY 3 THROUGH 7...
.MONDAY...Mostly clear. Lows 54-64. Highs 87-97. Winds less than
15 mph.
.TUESDAY...Mostly clear. Isolated showers near 8000 feet. Lows
56-66. Highs 89-99. Winds less than 15 mph.
.WEDNESDAY...Mostly clear. Isolated showers and thunderstorms
near 8000 feet. Lows 57-67. Highs 91-101. Winds less than 15 mph.
.THURSDAY...Mostly clear. Isolated showers and thunderstorms near
6000 feet and scattered showers and thunderstorms near 8000 feet.
Lows 58-68. Highs 90-100.
.FRIDAY...Partly cloudy. Isolated showers and thunderstorms near
6000 feet and scattered showers and thunderstorms near 8000 feet.
Lows 57-67. Highs 86-96.
$$
COZ291-091800-
Northern San Juan Forecast Area-
757 PM MDT Fri Aug 8 2025
.REST OF TONIGHT...
Sky/weather.........Partly cloudy (30-40%).
Chc of lightning....0 percent.
Min temperature.....49-59 F.
Max humidity........29-39%.
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 decreasing to 20 to 25 mph
after midnight.
Mixing Height.......11000 ft AGL until 2000, then 2000 ft AGL.
Transport Winds.....Southwest 15 to 20 mph until 2400, then south 5
to 10 mph.
Smoke dispersal.....Very good until 2100, then poor.
.SATURDAY...
Sky/weather.........Mostly sunny (20-30%). Areas of smoke until
1200.
Chc of lightning....0 percent.
Max temperature.....74-84 F.
Min humidity........9-14%.
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.......2000 ft AGL until 0900, then 14000 ft AGL.
Transport Winds.....Southwest 10 to 15 mph until 1200, then west 20
to 25 mph.
Smoke dispersal.....Poor until 0900. Excellent after 1200.
.SATURDAY NIGHT...
Sky/weather.........Partly cloudy (50-60%) until 2400, then mostly
cloudy (60-70%).
Chc of lightning....0 percent.
Min temperature.....50-60 F.
Max humidity........26-36%.
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 2500 ft AGL.
Transport Winds.....West 10 to 15 mph until 2400, then south.
Smoke dispersal.....Very good until 2100, then poor.
.SUNDAY...
Sky/weather.........Mostly cloudy (70-80%) until 1200, then partly
cloudy (50-60%). Isolated showers and
thunderstorms after 1200.
Chc of lightning....20 percent.
Max temperature.....67-77 F.
Min humidity........10-15%.
20-foot winds.......Downslope/downvalley 3 to 6 mph becoming
upslope/upvalley 4 to 8 mph by 1100.
CWR.................10 percent.
15K Ft MSL Winds....West 20 to 30 mph decreasing to 20 to 25 mph in
the afternoon.
Mixing Height.......3500 ft AGL until 0900, then 13000 ft AGL.
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...
.MONDAY...Mostly clear. Lows 45-55. Highs 76-86. Winds less than
15 mph.
.TUESDAY...Mostly clear. Isolated showers and thunderstorms. Lows
47-57. Highs 78-88. Winds less than 15 mph.
.WEDNESDAY...Mostly clear. Isolated showers and thunderstorms.
Lows 49-59. Highs 80-90. Winds less than 15 mph.
.THURSDAY...Mostly clear. Scattered showers and thunderstorms.
Lows 50-60. Highs 78-88.
.FRIDAY...Partly cloudy. Scattered showers and thunderstorms.
Lows 49-59. Highs 75-85.
$$
COZ292-091800-
North Fork Forecast Area-
757 PM MDT Fri Aug 8 2025
...RED FLAG WARNING IN EFFECT UNTIL 10 PM MDT THIS EVENING...
...RED FLAG WARNING IN EFFECT FROM 11 AM TO 8 PM MDT SATURDAY...
.REST OF TONIGHT...
Sky/weather.........Partly cloudy (30-40%). Areas of smoke until
2400.
Chc of lightning....0 percent.
Min temperature.....52-62 F near 6000 feet
49-59 F near 8000 feet.
Max humidity........30-40%.
20-foot winds.......West winds 10 to 15 mph with gusts to 40 mph in
the evening becoming downslope/downvalley 3 to
6 mph by sunset.
CWR.................0 percent.
15K Ft MSL Winds....West 20 to 30 mph.
Mixing Height.......12500 ft AGL until 2000, then 2000 ft AGL.
Transport Winds.....Southwest 5 to 10 mph.
Smoke dispersal.....Very good until 2100, then poor.
.SATURDAY...
Sky/weather.........Mostly sunny (10-20%) until 1200, then partly
cloudy (30-40%). Near 6000 feet, areas of smoke
after 1200.
Chc of lightning....0 percent.
Max temperature.....84-94 F near 6000 feet
76-86 F near 8000 feet.
Min humidity........8-13%.
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.......3000 ft AGL until 1000. 16000 ft AGL after
1100.
Transport Winds.....South 5 mph until 1200, then west 20 to 25 mph.
Smoke dispersal.....Poor until 0900. Excellent after 1200.
.SATURDAY NIGHT...
Sky/weather.........Partly cloudy (50-60%) until 2400, then mostly
cloudy (60-70%). Areas of smoke until 2400.
Chc of lightning....0 percent.
Min temperature.....55-65 F near 6000 feet
52-62 F near 8000 feet.
Max humidity........23-33%.
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 increasing to 25 to 35 mph
after midnight.
Mixing Height.......14500 ft AGL until 1900. 2000 ft AGL after
2000.
Transport Winds.....Northwest 10 to 15 mph until 2400, then
southwest.
Smoke dispersal.....Very good until 2100, then poor.
.SUNDAY...
Sky/weather.........Mostly cloudy (60-70%) until 1200, then partly
cloudy (40-50%). Near 8000 feet, isolated
showers and thunderstorms after 1200.
Chc of lightning....0 percent.
Max temperature.....80-90 F near 6000 feet
71-81 F near 8000 feet.
Min humidity........8-13%.
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 decreasing to 15 to 20 mph in
the afternoon.
Mixing Height.......3500 ft AGL until 1000, then 13500 ft AGL.
Transport Winds.....West 5 to 10 mph.
Smoke dispersal.....Poor until 0900. Excellent after 1200.
.FORECAST FOR DAY 3 THROUGH 7...
.MONDAY...Mostly clear. Lows 51-61. Highs 86-96. Winds less than
15 mph.
.TUESDAY...Mostly clear. Isolated showers and thunderstorms near
8000 feet. Lows 54-64. Highs 89-99. Winds less than 15 mph.
.WEDNESDAY...Mostly clear. Isolated showers and thunderstorms
near 8000 feet. Lows 55-65. Highs 90-100. Winds less than 15 mph.
.THURSDAY...Mostly clear. Isolated showers and thunderstorms.
Lows 56-66. Highs 90-100.
.FRIDAY...Partly cloudy. Isolated showers and thunderstorms near
6000 feet and scattered showers and thunderstorms near 8000 feet.
Lows 56-66. Highs 86-96.
$$
COZ293-091800-
Gunnison Basin Forecast Area-
757 PM MDT Fri Aug 8 2025
...RED FLAG WARNING IN EFFECT UNTIL 10 PM MDT THIS EVENING...
...RED FLAG WARNING IN EFFECT FROM 11 AM TO 8 PM MDT SATURDAY...
.REST OF TONIGHT...
Sky/weather.........Partly cloudy (30-40%). Areas of smoke until
2400.
Chc of lightning....0 percent.
Min temperature.....48-58 F.
Max humidity........37-47%.
20-foot winds.......West winds 10 to 15 mph with gusts to 40 mph in
the evening becoming downslope/downvalley 3 to
6 mph by sunset.
CWR.................0 percent.
15K Ft MSL Winds....West 20 to 30 mph.
Mixing Height.......11500 ft AGL until 2000, then 2000 ft AGL.
Transport Winds.....West 10 to 15 mph until 2400, then 5 mph.
Smoke dispersal.....Very good until 2100, then poor.
.SATURDAY...
Sky/weather.........Mostly sunny (10-20%) until 1200, then partly
cloudy (40-50%).
Chc of lightning....0 percent.
Max temperature.....78-88 F.
Min humidity........10-15%.
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 30 mph.
Mixing Height.......2000 ft AGL until 0900. 14500 ft AGL after
1000.
Transport Winds.....West 5 to 10 mph until 1200, then 20 to 25 mph.
Smoke dispersal.....Poor until 0900. Excellent after 1200.
.SATURDAY NIGHT...
Sky/weather.........Partly cloudy (50-60%) until 2400, then mostly
cloudy (60-70%). Areas of smoke until 2400.
Chc of lightning....0 percent.
Min temperature.....50-60 F.
Max humidity........37-47%.
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.......11500 ft AGL until 2000, then 2000 ft AGL.
Transport Winds.....West 10 to 15 mph until 2400, then 5 mph.
Smoke dispersal.....Very good until 2100, then poor.
.SUNDAY...
Sky/weather.........Mostly cloudy (70-80%) until 1200, then partly
cloudy (40-50%). Isolated showers and
thunderstorms after 1200.
Chc of lightning....10 percent.
Max temperature.....73-83 F.
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.................10 percent.
15K Ft MSL Winds....West 20 to 30 mph decreasing to 15 to 20 mph in
the afternoon.
Mixing Height.......12500 ft AGL.
Transport Winds.....West 10 to 15 mph.
Smoke dispersal.....Poor until 0900. Excellent after 1200.
.FORECAST FOR DAY 3 THROUGH 7...
.MONDAY...Mostly clear. Isolated showers and thunderstorms. Lows
41-51. Highs 76-86. Winds less than 15 mph.
.TUESDAY...Mostly clear. Isolated showers and thunderstorms. Lows
44-54. Highs 78-88. Winds less than 15 mph.
.WEDNESDAY...Mostly clear. Isolated showers and thunderstorms.
Lows 45-55. Highs 80-90. Winds less than 15 mph.
.THURSDAY...Mostly clear. Isolated showers and thunderstorms.
Lows 46-56. Highs 79-89.
.FRIDAY...Partly cloudy. Scattered showers and thunderstorms.
Lows 46-56. Highs 76-86.
$$
COZ207-091800-
Southwest Colorado Lower Forecast Area-
757 PM MDT Fri Aug 8 2025
...RED FLAG WARNING IN EFFECT UNTIL 10 PM MDT THIS EVENING...
...RED FLAG WARNING IN EFFECT FROM 11 AM TO 8 PM MDT SATURDAY...
.REST OF TONIGHT...
Sky/weather.........Mostly clear (20-30%). Areas of smoke until
2400.
Chc of lightning....0 percent.
Min temperature.....55-65 F.
Max humidity........22-32%.
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.................0 percent.
15K Ft MSL Winds....West 20 to 25 mph.
Mixing Height.......13500 ft AGL until 2000, then 1500 ft AGL.
Transport Winds.....West 15 to 20 mph until 2400, then 5 to 10 mph.
Smoke dispersal.....Excellent until 2100, then poor.
.SATURDAY...
Sky/weather.........Mostly sunny (20-30%).
Chc of lightning....0 percent.
Max temperature.....87-97 F.
Min humidity........6-11%.
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.......2000 ft AGL until 1000. 16500 ft AGL after
1100.
Transport Winds.....Southwest 5 to 10 mph until 1200, then west 20
to 25 mph.
Smoke dispersal.....Poor until 0900. Excellent after 1200.
.SATURDAY NIGHT...
Sky/weather.........Partly cloudy (40-50%) until 2400, then mostly
cloudy (60-70%). Areas of smoke after 2400.
Chc of lightning....0 percent.
Min temperature.....56-66 F.
Max humidity........23-33%.
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.......13000 ft AGL until 2000, then 1500 ft AGL.
Transport Winds.....West 10 to 15 mph until 2400, then north.
Smoke dispersal.....Excellent until 2100, then poor.
.SUNDAY...
Sky/weather.........Mostly cloudy (60-70%) until 1200, then partly
cloudy (40-50%).
Chc of lightning....0 percent.
Max temperature.....84-94 F.
Min humidity........6-11%.
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.
Mixing Height.......2000 ft AGL until 1000. 14500 ft AGL after
1200.
Transport Winds.....Northwest 5 to 10 mph until 1200, then west 15
to 20 mph.
Smoke dispersal.....Poor until 0900. Excellent after 1200.
.FORECAST FOR DAY 3 THROUGH 7...
.MONDAY...Mostly clear. Lows 52-62. Highs 88-98. Winds less than
15 mph.
.TUESDAY...Mostly clear. Lows 53-63. Highs 90-100. Winds less
than 15 mph.
.WEDNESDAY...Clear. Lows 54-64. Highs 91-101. Winds less than
15 mph.
.THURSDAY...Mostly clear. Isolated showers and thunderstorms.
Lows 55-65. Highs 90-100.
.FRIDAY...Partly cloudy. Scattered thunderstorms and isolated
showers. Lows 55-65. Highs 86-96.
$$
COZ294-091800-
Southwest Colorado Upper West Forecast Area-
757 PM MDT Fri Aug 8 2025
...RED FLAG WARNING IN EFFECT UNTIL 10 PM MDT THIS EVENING...
...RED FLAG WARNING IN EFFECT FROM 11 AM TO 8 PM MDT SATURDAY...
.REST OF TONIGHT...
Sky/weather.........Mostly clear (10-20%). Areas of smoke after
2400.
Chc of lightning....0 percent.
Min temperature.....53-63 F.
Max humidity........28-38%.
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 1500 ft AGL.
Transport Winds.....West 5 to 10 mph.
Smoke dispersal.....Very good until 2100, then poor.
.SATURDAY...
Sky/weather.........Mostly sunny (20-30%). Areas of smoke until
1200.
Chc of lightning....0 percent.
Max temperature.....75-85 F.
Min humidity........8-13%.
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.
Mixing Height.......1500 ft AGL until 0900. 14000 ft AGL after
1000.
Transport Winds.....Southwest 5 to 10 mph until 1200, then west 20
to 25 mph.
Smoke dispersal.....Poor until 0900. Excellent after 1200.
.SATURDAY NIGHT...
Sky/weather.........Partly cloudy (40-50%) until 2400, then mostly
cloudy (60-70%). Areas of smoke.
Chc of lightning....0 percent.
Min temperature.....54-64 F.
Max humidity........29-39%.
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.......12000 ft AGL until 2000, then 1000 ft AGL.
Transport Winds.....West 10 to 15 mph until 2400, then north.
Smoke dispersal.....Very good until 2100, then poor.
.SUNDAY...
Sky/weather.........Mostly cloudy (60-70%) until 1200, then partly
cloudy (40-50%). Isolated showers and
thunderstorms after 1200.
Chc of lightning....10 percent.
Max temperature.....73-83 F.
Min humidity........9-14%.
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.
Mixing Height.......3500 ft AGL until 1000, then 13000 ft AGL.
Transport Winds.....Northwest 5 to 10 mph until 1200, then west 15
to 20 mph.
Smoke dispersal.....Poor until 0900. Excellent after 1200.
.FORECAST FOR DAY 3 THROUGH 7...
.MONDAY...Mostly clear. Lows 45-55. Highs 78-88. Winds less than
15 mph.
.TUESDAY...Mostly clear. Isolated showers and thunderstorms. Lows
46-56. Highs 79-89. Winds less than 15 mph.
.WEDNESDAY...Mostly clear. Isolated showers and thunderstorms.
Lows 48-58. Highs 81-91. Winds less than 15 mph.
.THURSDAY...Mostly clear. Isolated showers and thunderstorms.
Lows 49-59. Highs 79-89.
.FRIDAY...Partly cloudy. Scattered showers and thunderstorms.
Lows 48-58. Highs 76-86.
$$
COZ295-091800-
Southwest Colorado Upper East Forecast Area-
757 PM MDT Fri Aug 8 2025
.REST OF TONIGHT...
Sky/weather.........Mostly clear (20-30%). Areas of smoke.
Chc of lightning....0 percent.
Min temperature.....48-58 F.
Max humidity........31-41%.
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.......11000 ft AGL until 2000, then 2000 ft AGL.
Transport Winds.....Northwest 5 to 10 mph.
Smoke dispersal.....Very good until 2100, then poor.
.SATURDAY...
Sky/weather.........Mostly sunny (20-30%). Areas of smoke until
1200.
Chc of lightning....0 percent.
Max temperature.....79-89 F.
Min humidity........9-14%.
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.......2000 ft AGL until 0900. 13500 ft AGL after
1000.
Transport Winds.....West 5 to 10 mph until 1200, then 20 to 25 mph.
Smoke dispersal.....Poor until 0900. Excellent after 1200.
.SATURDAY NIGHT...
Sky/weather.........Partly cloudy (30-40%). Areas of smoke until
2400.
Chc of lightning....0 percent.
Min temperature.....48-58 F.
Max humidity........34-44%.
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 2000 ft AGL.
Transport Winds.....West 10 to 15 mph until 2400, then north 5 mph.
Smoke dispersal.....Very good until 2100, then poor.
.SUNDAY...
Sky/weather.........Partly cloudy (50-60%) until 1200, then mostly
cloudy (60-70%). Isolated showers and
thunderstorms after 1200.
Chc of lightning....20 percent.
Max temperature.....76-86 F.
Min humidity........11-21%.
20-foot winds.......Upslope/upvalley winds 4 to 8 mph. Localized
gusts up to 25 mph in the afternoon.
CWR.................10 percent.
15K Ft MSL Winds....West 20 to 25 mph.
Mixing Height.......3500 ft AGL until 1000, then 12000 ft AGL.
Transport Winds.....Northwest 5 to 10 mph until 1200, then west 15
to 20 mph.
Smoke dispersal.....Poor until 0900. Excellent after 1200.
.FORECAST FOR DAY 3 THROUGH 7...
.MONDAY...Mostly clear. Isolated showers and thunderstorms. Lows
44-54. Highs 78-88. Winds less than 15 mph.
.TUESDAY...Partly cloudy. Isolated showers and thunderstorms.
Lows 45-55. Highs 79-89. Winds less than 15 mph.
.WEDNESDAY...Mostly clear. Isolated showers and thunderstorms.
Lows 46-56. Highs 81-91. Winds less than 15 mph.
.THURSDAY...Mostly clear. Isolated showers and thunderstorms.
Lows 47-57. Highs 81-91.
.FRIDAY...Partly cloudy. Scattered showers and thunderstorms.
Lows 46-56. Highs 77-87.
$$
UTZ485-091800-
Eastern Ashley National Forest-
757 PM MDT Fri Aug 8 2025
...RED FLAG WARNING IN EFFECT UNTIL 10 PM MDT THIS EVENING...
.REST OF TONIGHT...
Sky/weather.........Partly cloudy (30-40%). Near 10000 feet, areas
of smoke until 2400. Near 7000 feet, areas of
smoke.
Chc of lightning....0 percent.
Min temperature.....48-58 F near 7000 feet
33-43 F near 10000 feet.
24 hr trend......10 degrees cooler.
Max humidity........25-35%.
24 hr trend......1% drier.
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.......8000 ft AGL until 2000, then 2000 ft AGL.
Transport Winds.....Northwest 5 to 10 mph.
Clearing Index......1050 until 2000. Less than 500 after 2100.
.SATURDAY...
Sky/weather.........Near 7000 feet, partly cloudy (50-60%). Near
10000 feet, partly cloudy (40-50%) until 1200,
then mostly cloudy (60-70%). Areas of smoke.
Chc of lightning....0 percent.
Max temperature.....71-81 F near 7000 feet
61-71 F near 10000 feet.
24 hr trend......3 degrees cooler.
Min humidity........8-13%.
24 hr trend......6% drier.
20-foot winds.......Upslope/upvalley winds 4 to 8 mph. Localized
gusts up to 30 mph in the afternoon.
CWR.................0 percent.
Mixing Height.......2000 ft AGL until 1000, then 11500 ft AGL.
Transport Winds.....West 5 to 10 mph until 1200, then 15 to 20 mph.
Clearing Index......Less than 500 until 1100. 1050 after 1200.
.SATURDAY NIGHT...
Sky/weather.........Mostly cloudy (60-70%) until 2400, then partly
cloudy (50-60%). Areas of smoke until 2400.
Chc of lightning....0 percent.
Min temperature.....50-60 F near 7000 feet
33-43 F near 10000 feet.
24 hr trend......1 degree cooler.
Max humidity........31-41% near 7000 feet
37-47% near 10000 feet.
24 hr trend......Unchanged.
20-foot winds.......Upslope/upvalley 4 to 8 mph becoming
downslope/downvalley 3 to 6 mph by sunset.
CWR.................0 percent.
Mixing Height.......10000 ft AGL until 1900. 2000 ft AGL after
2000.
Transport Winds.....Northwest 10 to 15 mph.
Clearing Index......1000 until 2000, then less than 500.
.SUNDAY...
Sky/weather.........Partly cloudy (30-40%) until 1200, then mostly
sunny (10-20%).
Chc of lightning....0 percent.
Max temperature.....70-80 F near 7000 feet
59-69 F near 10000 feet.
24 hr trend......Unchanged.
Min humidity........10-15%.
24 hr trend......3% wetter.
20-foot winds.......Upslope/upvalley winds 4 to 8 mph. Localized
gusts up to 20 mph in the afternoon.
CWR.................0 percent.
Mixing Height.......11500 ft AGL.
Transport Winds.....Northwest 5 to 10 mph.
Clearing Index......Less than 500 until 1100. 1050 after 1300.
.FORECAST FOR DAY 3 THROUGH 7...
.MONDAY...Mostly clear. Lows 48-58. Highs 76-86. Winds less than
15 mph.
.TUESDAY...Mostly clear. Lows 52-62. Highs 80-90. Winds less than
15 mph.
.WEDNESDAY...Mostly clear. Isolated showers and thunderstorms
near 7000 feet and scattered showers and thunderstorms near
10000 feet. Lows 54-64. Highs 79-89. Winds less than 15 mph.
.THURSDAY...Partly cloudy. Isolated showers and thunderstorms
near 7000 feet and scattered showers and thunderstorms near
10000 feet. Lows 53-63. Highs 80-90.
.FRIDAY...Mostly clear. Isolated showers and thunderstorms . Lows
51-61. Highs 77-87.
$$
UTZ486-091800-
Eastern Uinta Basin-
757 PM MDT Fri Aug 8 2025
...RED FLAG WARNING IN EFFECT UNTIL 10 PM MDT THIS EVENING...
.REST OF TONIGHT...
Sky/weather.........Partly cloudy (40-50%). Near 5000 feet, areas
of smoke. Near 8000 feet, areas of smoke until
2400.
Chc of lightning....0 percent.
Min temperature.....51-61 F near 5000 feet
44-54 F near 8000 feet.
24 hr trend......8 degrees cooler.
Max humidity........16-26%.
24 hr trend......9% drier.
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.
Mixing Height.......8500 ft AGL until 2000, then 2000 ft AGL.
Transport Winds.....North 5 to 10 mph.
Clearing Index......1050 until 2000, then less than 500.
.SATURDAY...
Sky/weather.........Near 5000 feet, partly cloudy (50-60%), areas
of smoke until 1200. Near 8000 feet, partly
cloudy (40-50%) until 1200, then mostly cloudy
(60-70%), areas of smoke.
Chc of lightning....0 percent.
Max temperature.....77-87 F near 5000 feet
66-76 F near 8000 feet.
24 hr trend......3 degrees cooler.
Min humidity........6-11%.
24 hr trend......4% drier.
20-foot winds.......Upslope/upvalley winds 4 to 8 mph. Localized
gusts up to 25 mph in the afternoon.
CWR.................0 percent.
Mixing Height.......2000 ft AGL until 1000, then 12500 ft AGL.
Transport Winds.....Northwest 5 mph until 1200, then west 10 to 15
mph.
Clearing Index......Less than 500 until 1100. 1050 after 1200.
.SATURDAY NIGHT...
Sky/weather.........Mostly cloudy (70-80%) until 2400, then partly
cloudy (50-60%). Areas of smoke until 2400.
Chc of lightning....0 percent.
Min temperature.....52-62 F near 5000 feet
45-55 F near 8000 feet.
24 hr trend......2 degrees warmer.
Max humidity........19-29%.
24 hr trend......4% wetter.
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. 2000 ft AGL after
2000.
Transport Winds.....North 10 to 15 mph.
Clearing Index......1050 until 2000, then less than 500.
.SUNDAY...
Sky/weather.........Partly cloudy (30-40%) until 1200, then mostly
sunny (10-20%).
Chc of lightning....0 percent.
Max temperature.....76-86 F near 5000 feet
66-76 F near 8000 feet.
24 hr trend......1 degree cooler.
Min humidity........7-12%.
24 hr trend......1% wetter.
20-foot winds.......Downslope/downvalley 3 to 6 mph becoming
upslope/upvalley 4 to 8 mph by 1100.
CWR.................0 percent.
Mixing Height.......3000 ft AGL until 1000, then 12500 ft AGL.
Transport Winds.....North 5 to 10 mph.
Clearing Index......Less than 500 until 1100, then 1050.
.FORECAST FOR DAY 3 THROUGH 7...
.MONDAY...Mostly clear. Lows 53-63. Highs 82-92. Winds less than
15 mph.
.TUESDAY...Mostly clear. Lows 56-66. Highs 86-96. Winds less than
15 mph.
.WEDNESDAY...Mostly clear. Isolated showers and thunderstorms .
Lows 58-68. Highs 86-96. Winds less than 15 mph.
.THURSDAY...Mostly clear. Isolated showers and thunderstorms .
Lows 58-68. Highs 87-97.
.FRIDAY...Mostly clear. Isolated showers and thunderstorms . Lows
57-67. Highs 84-94.
$$
UTZ487-091800-
Book Cliffs-
757 PM MDT Fri Aug 8 2025
...RED FLAG WARNING IN EFFECT UNTIL 10 PM MDT THIS EVENING...
...RED FLAG WARNING IN EFFECT FROM 11 AM TO 8 PM MDT SATURDAY...
.REST OF TONIGHT...
Sky/weather.........Partly cloudy (40-50%). Areas of smoke after
2400.
Chc of lightning....0 percent.
Min temperature.....56-66 F near 5000 feet
50-60 F near 8000 feet.
24 hr trend......10 degrees cooler.
Max humidity........20-30%.
24 hr trend......4% wetter.
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.
Mixing Height.......9000 ft AGL until 2000. 1000 ft AGL after 2100.
Transport Winds.....Northwest 10 to 15 mph until 2400, then
northeast 5 mph.
Clearing Index......1050 until 2000. Less than 500 after 2100.
.SATURDAY...
Sky/weather.........Near 5000 feet, partly cloudy (40-50%). Near
8000 feet, mostly sunny (20-30%) until 1200,
then partly cloudy (40-50%).
Chc of lightning....0 percent.
Max temperature.....81-91 F near 5000 feet
75-85 F near 8000 feet.
24 hr trend......3 degrees cooler.
Min humidity........6-11%.
24 hr trend......1% wetter.
20-foot winds.......Upslope/upvalley winds 4 to 8 mph. Localized
gusts up to 30 mph in the afternoon.
CWR.................0 percent.
Mixing Height.......1500 ft AGL until 1000. 13500 ft AGL after
1200.
Transport Winds.....Northwest 5 mph until 1200, then west 15 to 20
mph.
Clearing Index......Less than 500 until 1000. 1050 after 1200.
.SATURDAY NIGHT...
Sky/weather.........Mostly cloudy (70-80%). Near 5000 feet, areas
of smoke. Near 8000 feet, areas of smoke after
2400.
Chc of lightning....0 percent.
Min temperature.....57-67 F near 5000 feet
51-61 F near 8000 feet.
24 hr trend......2 degrees warmer.
Max humidity........12-22%.
24 hr trend......8% drier.
20-foot winds.......Downslope/downvalley winds 3 to 6 mph.
Localized gusts up to 30 mph in the evening.
CWR.................0 percent.
Mixing Height.......11500 ft AGL until 1900. 1500 ft AGL after
2000.
Transport Winds.....Northwest 5 to 10 mph.
Clearing Index......1050 until 2000, then less than 500.
.SUNDAY...
Sky/weather.........Partly cloudy (40-50%) until 1200, then mostly
sunny (10-20%).
Chc of lightning....0 percent.
Max temperature.....79-89 F near 5000 feet
73-83 F near 8000 feet.
24 hr trend......3 degrees cooler.
Min humidity........5-10%.
24 hr trend......1% drier.
20-foot winds.......Upslope/upvalley winds 4 to 8 mph. Localized
gusts up to 20 mph in the afternoon.
CWR.................0 percent.
Mixing Height.......2500 ft AGL until 1000. 13000 ft AGL after
1200.
Transport Winds.....Northwest 5 mph.
Clearing Index......Less than 500 until 1000. 1050 after 1100.
.FORECAST FOR DAY 3 THROUGH 7...
.MONDAY...Clear. Lows 52-62. Highs 84-94. Winds less than 15 mph.
.TUESDAY...Clear. Lows 55-65. Highs 88-98. Winds less than
15 mph.
.WEDNESDAY...Mostly clear. Isolated showers and thunderstorms.
Lows 57-67. Highs 90-100. Winds less than 15 mph.
.THURSDAY...Mostly clear. Isolated showers and thunderstorms .
Lows 59-69. Highs 89-99.
.FRIDAY...Mostly clear. Isolated showers and thunderstorms . Lows
58-68. Highs 86-96.
$$
UTZ490-091800-
Colorado River Basin-
757 PM MDT Fri Aug 8 2025
...RED FLAG WARNING IN EFFECT UNTIL 10 PM MDT THIS EVENING...
...RED FLAG WARNING IN EFFECT FROM 11 AM TO 8 PM MDT SATURDAY...
.REST OF TONIGHT...
Sky/weather.........Partly cloudy (30-40%). Areas of smoke after
2400.
Chc of lightning....0 percent.
Min temperature.....61-71 F near 5000 feet
55-65 F near 7000 feet.
24 hr trend......4 degrees cooler.
Max humidity........17-27%.
24 hr trend......2% wetter.
20-foot winds.......Upslope/upvalley 4 to 8 mph becoming
downslope/downvalley 3 to 6 mph by sunset.
CWR.................0 percent.
Mixing Height.......12000 ft AGL until 2000, then 1500 ft AGL.
Transport Winds.....Northwest 10 to 15 mph until 2400, then
northeast.
Clearing Index......1050 until 2000, then less than 500.
.SATURDAY...
Sky/weather.........Mostly sunny (10-20%) until 1200, then partly
cloudy (30-40%).
Chc of lightning....0 percent.
Max temperature.....91-101 F near 5000 feet
79-89 F near 7000 feet.
24 hr trend......2 degrees cooler.
Min humidity........5-10%.
24 hr trend......2% wetter.
20-foot winds.......Downslope/downvalley 3 to 6 mph becoming
upslope/upvalley 4 to 8 mph by 1100.
CWR.................0 percent.
Mixing Height.......2000 ft AGL until 1000. 15500 ft AGL after
1200.
Transport Winds.....Northeast 5 mph until 1200, then west 15 to 20
mph.
Clearing Index......Less than 500 until 1100. 1050 after 1200.
.SATURDAY NIGHT...
Sky/weather.........Partly cloudy (50-60%) until 2400, then mostly
cloudy (60-70%). Near 5000 feet, areas of smoke
after 2400.
Chc of lightning....0 percent.
Min temperature.....62-72 F near 5000 feet
56-66 F near 7000 feet.
24 hr trend......Unchanged.
Max humidity........12-17%.
24 hr trend......6% drier.
20-foot winds.......Downslope/downvalley winds 3 to 6 mph.
Localized gusts up to 25 mph in the evening.
CWR.................0 percent.
Mixing Height.......13000 ft AGL until 2000. 1000 ft AGL after
2100.
Transport Winds.....Northwest 5 to 10 mph.
Clearing Index......1050 until 2000. Less than 500 after 2100.
.SUNDAY...
Sky/weather.........Partly cloudy (40-50%).
Chc of lightning....0 percent.
Max temperature.....88-98 F near 5000 feet
76-86 F near 7000 feet.
24 hr trend......2 degrees cooler.
Min humidity........4-9%.
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.......2500 ft AGL until 1000. 13500 ft AGL after
1200.
Transport Winds.....Northwest 5 mph.
Clearing Index......Less than 500 until 1100. 1050 after 1200.
.FORECAST FOR DAY 3 THROUGH 7...
.MONDAY...Clear. Lows 59-69. Highs 89-99. Winds less than 15 mph.
.TUESDAY...Clear. Lows 61-71. Highs 92-102. Winds less than
15 mph.
.WEDNESDAY...Clear. Isolated showers and thunderstorms near
7000 feet. Lows 62-72. Highs 94-104. Winds less than 15 mph.
.THURSDAY...Mostly clear. Isolated showers near 5000 feet and
isolated showers and thunderstorms near 7000 feet. Lows 64-74.
Highs 94-104.
.FRIDAY...Mostly clear. Isolated showers and thunderstorms . Lows
62-72. Highs 90-100.
$$
UTZ491-091800-
Southeast Utah-
757 PM MDT Fri Aug 8 2025
...RED FLAG WARNING IN EFFECT UNTIL 10 PM MDT THIS EVENING...
...RED FLAG WARNING IN EFFECT FROM 11 AM TO 8 PM MDT SATURDAY...
.REST OF TONIGHT...
Sky/weather.........Mostly clear (20-30%).
Chc of lightning....0 percent.
Min temperature.....62-72 F near 5000 feet
54-64 F near 8000 feet.
24 hr trend......3 degrees cooler.
Max humidity........17-27%.
24 hr trend......3% wetter.
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.................0 percent.
Mixing Height.......13500 ft AGL until 2000, then 1500 ft AGL.
Transport Winds.....West 15 to 20 mph until 2400, then 5 to 10 mph.
Clearing Index......1050 until 2000, then less than 500.
.SATURDAY...
Sky/weather.........Mostly sunny (20-30%). Near 5000 feet, areas of
smoke.
Chc of lightning....0 percent.
Max temperature.....92-102 F near 5000 feet
76-86 F near 8000 feet.
24 hr trend......1 degree cooler.
Min humidity........6-11%.
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. 15500 ft AGL after
1100.
Transport Winds.....Southwest 5 to 10 mph until 1200, then west 20
to 25 mph.
Clearing Index......Less than 500 until 1000, then 1050.
.SATURDAY NIGHT...
Sky/weather.........Partly cloudy (40-50%). Near 5000 feet, areas
of smoke until 2400.
Chc of lightning....0 percent.
Min temperature.....62-72 F near 5000 feet
54-64 F near 8000 feet.
24 hr trend......Unchanged.
Max humidity........16-26%.
24 hr trend......5% drier.
20-foot winds.......Downslope/downvalley winds 3 to 6 mph.
Localized gusts up to 30 mph in the evening.
CWR.................0 percent.
Mixing Height.......13500 ft AGL until 2000, then 1500 ft AGL.
Transport Winds.....West 15 to 20 mph until 2400, then northwest 5
to 10 mph.
Clearing Index......1050 until 2000. Less than 500 after 2100.
.SUNDAY...
Sky/weather.........Near 5000 feet, partly cloudy (30-40%). Near
8000 feet, mostly cloudy (60-70%) until 1200,
then partly cloudy (40-50%).
Chc of lightning....0 percent.
Max temperature.....90-100 F near 5000 feet
73-83 F near 8000 feet.
24 hr trend......3 degrees cooler.
Min humidity........6-11%.
24 hr trend......Unchanged.
20-foot winds.......Upslope/upvalley winds 4 to 8 mph. Localized
gusts up to 25 mph in the afternoon.
CWR.................0 percent.
Mixing Height.......2000 ft AGL until 1000, then 15500 ft AGL.
Transport Winds.....Northwest 5 to 10 mph until 1200, then west 15
to 20 mph.
Clearing Index......Less than 500 until 1000. 1050 after 1100.
.FORECAST FOR DAY 3 THROUGH 7...
.MONDAY...Mostly clear. Lows 58-68. Highs 90-100. Winds less than
15 mph.
.TUESDAY...Clear. Lows 58-68. Highs 92-102. Winds less than
15 mph.
.WEDNESDAY...Clear. Lows 60-70. Highs 94-104. Winds less than
15 mph.
.THURSDAY...Mostly clear. Isolated showers and thunderstorms .
Lows 61-71. Highs 92-102.
.FRIDAY...Partly cloudy. Isolated showers and thunderstorms .
Lows 61-71. Highs 89-99.
$$