Routine Fire Wx Fcst (With/Without 6-10 Day Outlook)
Issued by NWS Grand Junction, CO
Issued by NWS Grand Junction, CO
558
FNUS55 KGJT 071743
FWFGJT
Fire Weather Planning Forecast for Wrn Colorado and Ern Utah
National Weather Service Grand Junction CO
1143 AM MDT Mon Sep 7 2026
.DISCUSSION...
Some isolated showers, maybe a few storms, will be possible over
the San Juans and Continental Divide over the coming days. Drier
air will continue to move in as temperatures creep up to anywhere
from 5 to 10 degrees above more seasonal values. Very spotty
critical fire weather conditions show up Wednesday onwards but
coverage is minimal.
...GUSTY ERRATIC WINDS CAN BE EXPECTED NEAR ANY SHOWERS
OR THUNDERSTORMS...
...THE SMOKE DATA IS CALCULATED FROM AN AVERAGE AT 6000 FEET MSL...
COZ200-080945-
Little Snake Forecast Area-
1143 AM MDT Mon Sep 7 2026
.TODAY...
Sky/weather.........Partly cloudy (40-50%). Near 8000 feet,
isolated showers until 1200.
Chc of lightning....0 percent.
Max temperature.....68-78 F near 6000 feet
60-70 F near 8000 feet.
Min humidity........20-30% near 6000 feet
26-36% near 8000 feet.
20-foot winds.......Downslope/downvalley winds 4 to 8 mph becoming
southwest 10 to 15 mph with gusts to 30 mph in
the afternoon.
CWR.................0 percent.
15K Ft MSL Winds....Southwest 35 to 45 mph decreasing to 30 to 40
mph in the afternoon.
Mixing Height.......1500 ft AGL until 1000, then 9000 ft AGL.
Transport Winds.....Southwest 5 to 10 mph until 1200, then 20 to 25
mph.
Smoke dispersal.....Poor until 0900. Excellent after 1200.
.TONIGHT...
Sky/weather.........Partly cloudy (30-40%).
Chc of lightning....0 percent.
Min temperature.....46-56 F near 6000 feet
40-50 F near 8000 feet.
Max humidity........41-51%.
20-foot winds.......Upslope/upvalley 4 to 8 mph becoming
downslope/downvalley 3 to 6 mph by sunset.
CWR.................0 percent.
15K Ft MSL Winds....Southwest 20 to 25 mph increasing to 20 to 30
mph after midnight.
Mixing Height.......8500 ft AGL until 1900. 500 ft AGL after 2000.
Transport Winds.....West 5 to 10 mph until 2400, then north.
Smoke dispersal.....Good until 2100, then poor.
.TUESDAY...
Sky/weather.........Mostly sunny (10-20%).
Chc of lightning....0 percent.
Max temperature.....74-84 F near 6000 feet
61-71 F near 8000 feet.
Min humidity........11-21%.
20-foot winds.......Downslope/downvalley 3 to 6 mph becoming
upslope/upvalley 4 to 8 mph by 1100.
CWR.................0 percent.
15K Ft MSL Winds....Southwest 20 to 30 mph.
Mixing Height.......2000 ft AGL until 1100, then 9500 ft AGL.
Transport Winds.....Northeast 5 mph until 1200, then west 10 to 15
mph.
Smoke dispersal.....Poor until 1200. Very good after 1500.
.FORECAST FOR DAY 3 THROUGH 7...
.WEDNESDAY...Mostly clear. Lows 44-54. Highs 76-86. Winds less
than 15 mph.
.THURSDAY...Mostly clear. Lows 46-56. Highs 78-88. Winds less
than 15 mph.
.FRIDAY...Partly cloudy. Isolated showers and thunderstorms. Lows
50-60. Highs 78-88. West winds 10 to 20 mph with gusts to
30 mph.
.SATURDAY...Partly cloudy. Isolated showers and thunderstorms.
Lows 49-59. Highs 79-89.
.SUNDAY...Mostly clear. Isolated showers and thunderstorms. Lows
50-60. Highs 74-84.
$$
COZ201-080945-
Routt Forecast Area-
1143 AM MDT Mon Sep 7 2026
.TODAY...
Sky/weather.........Partly cloudy (50-60%) until 1200, then mostly
cloudy (60-70%). Isolated showers. Isolated
thunderstorms after 1200.
Chc of lightning....10 percent.
Max temperature.....63-73 F.
Min humidity........27-37%.
20-foot winds.......Downslope/downvalley winds 4 to 8 mph becoming
southwest 10 to 15 mph with gusts to 30 mph in
the afternoon.
CWR.................10 percent.
15K Ft MSL Winds....Southwest 35 to 45 mph decreasing to 30 to 40
mph in the afternoon.
Mixing Height.......1000 ft AGL until 0900. 9000 ft AGL after 1100.
Transport Winds.....Southwest 10 to 15 mph until 1200, then 20 to
25 mph.
Smoke dispersal.....Poor until 0900. Excellent after 1200.
.TONIGHT...
Sky/weather.........Mostly cloudy (60-70%) until 2400, then partly
cloudy (50-60%).
Chc of lightning....0 percent.
Min temperature.....43-53 F.
Max humidity........56-66%.
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....Southwest 25 to 35 mph.
Mixing Height.......6500 ft AGL until 2000, then 500 ft AGL.
Transport Winds.....West 5 mph.
Smoke dispersal.....Fair until 2100, then poor.
.TUESDAY...
Sky/weather.........Partly cloudy (30-40%) until 1200, then mostly
sunny (10-20%).
Chc of lightning....0 percent.
Max temperature.....68-78 F.
Min humidity........17-27%.
20-foot winds.......Downslope/downvalley 3 to 6 mph becoming
upslope/upvalley 4 to 8 mph by 1100.
CWR.................0 percent.
15K Ft MSL Winds....Southwest 20 to 30 mph.
Mixing Height.......500 ft AGL until 0900. 9000 ft AGL after 1000.
Transport Winds.....Southwest 5 mph until 1200, then west 15 to 20
mph.
Smoke dispersal.....Poor until 0900. Very good after 1200.
.FORECAST FOR DAY 3 THROUGH 7...
.WEDNESDAY...Mostly clear. Lows 41-51. Highs 69-79. Winds less
than 15 mph.
.THURSDAY...Mostly clear. Lows 42-52. Highs 70-80. Winds less
than 15 mph.
.FRIDAY...Partly cloudy. Isolated showers and thunderstorms. Lows
45-55. Highs 70-80. West winds 10 to 20 mph with gusts to
30 mph.
.SATURDAY...Partly cloudy. Isolated showers and thunderstorms.
Lows 45-55. Highs 70-80.
.SUNDAY...Partly cloudy. Scattered showers and isolated
thunderstorms. Lows 46-56. Highs 67-77.
$$
COZ202-080945-
White River Forecast Area-
1143 AM MDT Mon Sep 7 2026
.TODAY...
Sky/weather.........Near 6000 feet, partly cloudy (40-50%). Near
8000 feet, partly cloudy (40-50%) until 1200,
then mostly cloudy (60-70%), isolated showers
until 1200.
Chc of lightning....0 percent.
Max temperature.....71-81 F near 6000 feet
62-72 F near 8000 feet.
Min humidity........21-31%.
20-foot winds.......Upslope/upvalley winds 4 to 8 mph. Localized
gusts up to 30 mph in the afternoon.
CWR.................0 percent.
15K Ft MSL Winds....Southwest 35 to 45 mph decreasing to 30 to 40
mph in the afternoon.
Mixing Height.......500 ft AGL until 0900. 9500 ft AGL after 1000.
Transport Winds.....Southwest 5 to 10 mph until 1200, then 15 to 20
mph.
Smoke dispersal.....Poor until 0900. Very good after 1200.
.TONIGHT...
Sky/weather.........Partly cloudy (40-50%).
Chc of lightning....0 percent.
Min temperature.....47-57 F.
Max humidity........45-55%.
20-foot winds.......Upslope/upvalley 4 to 8 mph becoming
downslope/downvalley 3 to 6 mph by sunset.
CWR.................0 percent.
15K Ft MSL Winds....Southwest 20 to 25 mph.
Mixing Height.......8500 ft AGL until 1900. 500 ft AGL after 2000.
Transport Winds.....West 5 to 10 mph until 2400, then northeast.
Smoke dispersal.....Fair until 2100, then poor.
.TUESDAY...
Sky/weather.........Mostly sunny (10-20%).
Chc of lightning....0 percent.
Max temperature.....75-85 F near 6000 feet
67-77 F near 8000 feet.
Min humidity........12-22%.
20-foot winds.......Downslope/downvalley 3 to 6 mph becoming
upslope/upvalley 4 to 8 mph by 1100.
CWR.................0 percent.
15K Ft MSL Winds....Southwest 20 to 30 mph.
Mixing Height.......2000 ft AGL until 1100, then 9000 ft AGL.
Transport Winds.....East 5 mph until 1200, then west 10 to 15 mph.
Smoke dispersal.....Poor until 1200, then good.
.FORECAST FOR DAY 3 THROUGH 7...
.WEDNESDAY...Mostly clear. Lows 46-56. Highs 77-87. Winds less
than 15 mph.
.THURSDAY...Mostly clear. Lows 47-57. Highs 79-89. Winds less
than 15 mph.
.FRIDAY...Partly cloudy. Lows 51-61. Highs 80-90. Winds less than
15 mph.
.SATURDAY...Partly cloudy. Isolated showers and thunderstorms.
Lows 51-61. Highs 80-90.
.SUNDAY...Partly cloudy. Isolated showers and thunderstorms. Lows
52-62. Highs 76-86.
$$
COZ203-080945-
Lower Colorado River-
1143 AM MDT Mon Sep 7 2026
.TODAY...
Sky/weather.........Partly cloudy (40-50%). Isolated showers.
Isolated thunderstorms after 1200.
Chc of lightning....10 percent.
Max temperature.....75-85 F near 6000 feet
66-76 F near 8000 feet.
Min humidity........20-30%.
20-foot winds.......Upslope/upvalley winds 4 to 8 mph. Localized
gusts up to 30 mph in the afternoon.
CWR.................10 percent.
15K Ft MSL Winds....Southwest 30 to 40 mph.
Mixing Height.......2000 ft AGL until 1000, then 9500 ft AGL.
Transport Winds.....Southwest 5 to 10 mph until 1200, then 15 to 20
mph.
Smoke dispersal.....Poor until 0900. Very good after 1200.
.TONIGHT...
Sky/weather.........Mostly cloudy (60-70%) until 2400, then partly
cloudy (50-60%).
Chc of lightning....0 percent.
Min temperature.....55-65 F near 6000 feet
48-58 F near 8000 feet.
Max humidity........46-56%.
20-foot winds.......Upslope/upvalley 4 to 8 mph becoming
downslope/downvalley 3 to 6 mph by sunset.
CWR.................0 percent.
15K Ft MSL Winds....Southwest 20 to 30 mph.
Mixing Height.......6500 ft AGL until 2000, then 500 ft AGL.
Transport Winds.....West 5 to 10 mph until 2400, then east.
Smoke dispersal.....Fair until 2100, then poor.
.TUESDAY...
Sky/weather.........Partly cloudy (30-40%) until 1200, then mostly
sunny (20-30%).
Chc of lightning....0 percent.
Max temperature.....78-88 F near 6000 feet
70-80 F near 8000 feet.
Min humidity........12-22%.
20-foot winds.......Downslope/downvalley 3 to 6 mph becoming
upslope/upvalley 4 to 8 mph by 1100.
CWR.................0 percent.
15K Ft MSL Winds....Southwest 25 to 35 mph decreasing to 20 to 30
mph in the afternoon.
Mixing Height.......1000 ft AGL until 1000. 9500 ft AGL after 1100.
Transport Winds.....South 5 mph until 1200, then west 10 to 15 mph.
Smoke dispersal.....Poor until 0900. Very good after 1200.
.FORECAST FOR DAY 3 THROUGH 7...
.WEDNESDAY...Mostly clear. Lows 51-61. Highs 82-92. Winds less
than 15 mph.
.THURSDAY...Mostly clear. Lows 53-63. Highs 82-92. Winds less
than 15 mph.
.FRIDAY...Mostly clear. Isolated showers and thunderstorms. Lows
56-66. Highs 82-92. Winds less than 15 mph.
.SATURDAY...Mostly clear. Isolated showers and thunderstorms.
Lows 55-65. Highs 81-91.
.SUNDAY...Partly cloudy. Scattered showers and isolated
thunderstorms. Lows 56-66. Highs 77-87.
$$
COZ205-080945-
Colorado River Headwaters-
1143 AM MDT Mon Sep 7 2026
.TODAY...
Sky/weather.........Partly cloudy (50-60%). Isolated showers.
Isolated thunderstorms after 1200.
Chc of lightning....10 percent.
Max temperature.....69-79 F.
Min humidity........30-40%.
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....Southwest 30 to 40 mph.
Mixing Height.......1000 ft AGL until 0900, then 8000 ft AGL.
Transport Winds.....Southwest 5 to 10 mph until 1200, then 15 to 20
mph.
Smoke dispersal.....Poor until 0900. Very good after 1200.
.TONIGHT...
Sky/weather.........Partly cloudy (50-60%).
Chc of lightning....0 percent.
Min temperature.....47-57 F.
Max humidity........57-72%.
20-foot winds.......Upslope/upvalley 4 to 8 mph becoming
downslope/downvalley 3 to 6 mph by sunset.
CWR.................0 percent.
15K Ft MSL Winds....Southwest 20 to 30 mph.
Mixing Height.......6000 ft AGL until 1900. 500 ft AGL after 2000.
Transport Winds.....Southwest 5 mph.
Smoke dispersal.....Poor.
.TUESDAY...
Sky/weather.........Partly cloudy (30-40%).
Chc of lightning....0 percent.
Max temperature.....72-82 F.
Min humidity........18-28%.
20-foot winds.......Upslope/upvalley winds 4 to 8 mph. Localized
gusts up to 30 mph in the afternoon.
CWR.................0 percent.
15K Ft MSL Winds....Southwest 25 to 35 mph decreasing to 20 to 25
mph in the afternoon.
Mixing Height.......500 ft AGL until 0900. 9500 ft AGL after 1000.
Transport Winds.....Southwest 5 to 10 mph until 1200, then west 15
to 20 mph.
Smoke dispersal.....Poor until 0900. Very good after 1200.
.FORECAST FOR DAY 3 THROUGH 7...
.WEDNESDAY...Mostly clear. Lows 43-53. Highs 73-83. Winds less
than 15 mph.
.THURSDAY...Mostly clear. Lows 43-53. Highs 73-83. Winds less
than 15 mph.
.FRIDAY...Mostly clear. Isolated showers and thunderstorms. Lows
45-55. Highs 72-82. West winds 10 to 20 mph with gusts to
30 mph.
.SATURDAY...Partly cloudy. Isolated showers and thunderstorms.
Lows 45-55. Highs 71-81.
.SUNDAY...Partly cloudy. Scattered showers and thunderstorms.
Lows 46-56. Highs 69-79.
$$
COZ290-080945-
Paradox Valley Forecast Area-
1143 AM MDT Mon Sep 7 2026
.TODAY...
Sky/weather.........Partly cloudy (40-50%).
Chc of lightning....0 percent.
Max temperature.....76-86 F near 6000 feet
68-78 F near 8000 feet.
Min humidity........17-27% near 6000 feet
25-35% near 8000 feet.
20-foot winds.......Downslope/downvalley 3 to 6 mph becoming
upslope/upvalley 4 to 8 mph by 1100.
CWR.................0 percent.
15K Ft MSL Winds....Southwest 30 to 40 mph decreasing to 25 to 35
mph in the afternoon.
Mixing Height.......2000 ft AGL until 1000, then 10000 ft AGL.
Transport Winds.....South 5 to 10 mph until 1200, then southwest 15
to 20 mph.
Smoke dispersal.....Poor until 0900. Excellent after 1200.
.TONIGHT...
Sky/weather.........Mostly cloudy (60-70%) near 6000 feet and
partly cloudy (50-60%) near 8000 feet.
Chc of lightning....0 percent.
Min temperature.....54-64 F near 6000 feet
49-59 F near 8000 feet.
Max humidity........40-50% 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.................0 percent.
15K Ft MSL Winds....Southwest 20 to 30 mph.
Mixing Height.......7500 ft AGL until 2000, then 500 ft AGL.
Transport Winds.....West 5 to 10 mph until 2400, then southeast.
Smoke dispersal.....Good until 2100, then poor.
.TUESDAY...
Sky/weather.........Partly cloudy (30-40%) until 1200, then mostly
sunny (20-30%).
Chc of lightning....0 percent.
Max temperature.....81-91 F near 6000 feet
72-82 F near 8000 feet.
Min humidity........12-22% near 6000 feet
19-29% near 8000 feet.
20-foot winds.......Downslope/downvalley 3 to 6 mph becoming
upslope/upvalley 4 to 8 mph by 1100.
CWR.................0 percent.
15K Ft MSL Winds....Southwest 20 to 30 mph decreasing to 20 to 25
mph in the afternoon.
Mixing Height.......1500 ft AGL until 1000, then 10500 ft AGL.
Transport Winds.....South 5 mph until 1200, then west 10 to 15 mph.
Smoke dispersal.....Poor until 0900. Very good after 1200.
.FORECAST FOR DAY 3 THROUGH 7...
.WEDNESDAY...Mostly clear. Lows 54-64. Highs 85-95. Winds less
than 15 mph.
.THURSDAY...Mostly clear. Lows 55-65. Highs 85-95. Winds less
than 15 mph.
.FRIDAY...Mostly clear. Isolated showers and thunderstorms. Lows
57-67. Highs 84-94. Winds less than 15 mph.
.SATURDAY...Partly cloudy. Isolated showers and thunderstorms.
Lows 56-66. Highs 82-92.
.SUNDAY...Partly cloudy. Isolated showers and thunderstorms near
6000 feet and scattered showers and thunderstorms near 8000 feet.
Lows 57-67. Highs 78-88.
$$
COZ291-080945-
Northern San Juan Forecast Area-
1143 AM MDT Mon Sep 7 2026
.TODAY...
Sky/weather.........Partly cloudy (40-50%). Isolated showers.
Isolated thunderstorms after 1200.
Chc of lightning....10 percent.
Max temperature.....66-76 F.
Min humidity........28-38%.
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....Southwest 20 to 30 mph.
Mixing Height.......1000 ft AGL until 0900. 8500 ft AGL after 1000.
Transport Winds.....Southwest 10 to 15 mph.
Smoke dispersal.....Poor until 0900. Very good after 1200.
.TONIGHT...
Sky/weather.........Partly cloudy (40-50%).
Chc of lightning....0 percent.
Min temperature.....47-57 F.
Max humidity........55-70%.
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....Southwest 20 to 25 mph.
Mixing Height.......5500 ft AGL until 2000, then 500 ft AGL.
Transport Winds.....Southwest 5 to 10 mph.
Smoke dispersal.....Fair until 2100, then poor.
.TUESDAY...
Sky/weather.........Mostly sunny (20-30%) until 1200, then partly
cloudy (30-40%).
Chc of lightning....0 percent.
Max temperature.....70-80 F.
Min humidity........22-32%.
20-foot winds.......Downslope/downvalley 3 to 6 mph becoming
upslope/upvalley 4 to 8 mph by 1100.
CWR.................0 percent.
15K Ft MSL Winds....Southwest 20 to 30 mph decreasing to 15 to 20
mph in the afternoon.
Mixing Height.......500 ft AGL until 0900. 9000 ft AGL after 1000.
Transport Winds.....Southwest 5 to 10 mph until 1200, then west 15
to 20 mph.
Smoke dispersal.....Poor until 0900. Very good after 1200.
.FORECAST FOR DAY 3 THROUGH 7...
.WEDNESDAY...Mostly clear. Lows 47-57. Highs 75-85. Winds less
than 15 mph.
.THURSDAY...Mostly clear. Lows 48-58. Highs 75-85. Winds less
than 15 mph.
.FRIDAY...Mostly clear. Isolated showers and thunderstorms. Lows
48-58. Highs 75-85. Winds less than 15 mph.
.SATURDAY...Partly cloudy. Isolated showers and thunderstorms.
Lows 48-58. Highs 73-83.
.SUNDAY...Partly cloudy. Scattered showers and thunderstorms.
Lows 49-59. Highs 70-80.
$$
COZ292-080945-
North Fork Forecast Area-
1143 AM MDT Mon Sep 7 2026
.TODAY...
Sky/weather.........Partly cloudy (40-50%). Near 6000 feet,
isolated showers after 1200. Near 8000 feet,
isolated showers and thunderstorms after 1200.
Chc of lightning....0 percent.
Max temperature.....76-86 F near 6000 feet
67-77 F near 8000 feet.
Min humidity........21-31%.
20-foot winds.......Downslope/downvalley 3 to 6 mph becoming
upslope/upvalley 4 to 8 mph by 1100.
CWR.................0 percent.
15K Ft MSL Winds....Southwest 25 to 35 mph.
Mixing Height.......500 ft AGL until 0900. 10500 ft AGL after 1100.
Transport Winds.....Southwest 5 to 10 mph until 1200, then 15 to 20
mph.
Smoke dispersal.....Poor until 0900. Very good after 1200.
.TONIGHT...
Sky/weather.........Partly cloudy (50-60%).
Chc of lightning....0 percent.
Min temperature.....51-61 F.
Max humidity........49-59%.
20-foot winds.......Upslope/upvalley 4 to 8 mph becoming
downslope/downvalley 3 to 6 mph by sunset.
CWR.................0 percent.
15K Ft MSL Winds....Southwest 20 to 30 mph.
Mixing Height.......8500 ft AGL until 1900. 500 ft AGL after 2000.
Transport Winds.....West 5 to 10 mph until 2400, then southeast.
Smoke dispersal.....Fair until 2100, then poor.
.TUESDAY...
Sky/weather.........Partly cloudy (30-40%) until 1200, then mostly
sunny (20-30%).
Chc of lightning....0 percent.
Max temperature.....78-88 F near 6000 feet
71-81 F near 8000 feet.
Min humidity........15-25%.
20-foot winds.......Downslope/downvalley 3 to 6 mph becoming
upslope/upvalley 4 to 8 mph by 1100.
CWR.................0 percent.
15K Ft MSL Winds....Southwest 20 to 30 mph.
Mixing Height.......1500 ft AGL until 1000, then 10500 ft AGL.
Transport Winds.....South 5 mph until 1200, then west 10 to 15 mph.
Smoke dispersal.....Poor until 0900. Very good after 1200.
.FORECAST FOR DAY 3 THROUGH 7...
.WEDNESDAY...Mostly clear. Lows 51-61. Highs 84-94. Winds less
than 15 mph.
.THURSDAY...Mostly clear. Lows 53-63. Highs 84-94. Winds less
than 15 mph.
.FRIDAY...Mostly clear. Isolated showers and thunderstorms near
8000 feet. Lows 54-64. Highs 85-95. Winds less than 15 mph.
.SATURDAY...Partly cloudy. Isolated showers and thunderstorms.
Lows 54-64. Highs 83-93.
.SUNDAY...Partly cloudy. Scattered showers and thunderstorms.
Lows 55-65. Highs 80-90.
$$
COZ293-080945-
Gunnison Basin Forecast Area-
1143 AM MDT Mon Sep 7 2026
.TODAY...
Sky/weather.........Partly cloudy (50-60%). Isolated showers.
Isolated thunderstorms after 1200.
Chc of lightning....20 percent.
Max temperature.....70-80 F.
Min humidity........29-39%.
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....Southwest 20 to 30 mph.
Mixing Height.......1000 ft AGL until 0900. 8000 ft AGL after 1100.
Transport Winds.....Southwest 5 to 10 mph until 1200, then west 15
to 20 mph.
Smoke dispersal.....Poor until 0900. Very good after 1200.
.TONIGHT...
Sky/weather.........Partly cloudy (50-60%).
Chc of lightning....0 percent.
Min temperature.....47-57 F.
Max humidity........58-73%.
20-foot winds.......Upslope/upvalley 4 to 8 mph becoming
downslope/downvalley 3 to 6 mph by sunset.
CWR.................0 percent.
15K Ft MSL Winds....Southwest 20 to 25 mph.
Mixing Height.......5500 ft AGL until 2000, then 500 ft AGL.
Transport Winds.....Southwest 5 mph.
Smoke dispersal.....Poor.
.TUESDAY...
Sky/weather.........Partly cloudy (30-40%). Isolated showers and
thunderstorms after 1200.
Chc of lightning....0 percent.
Max temperature.....75-85 F.
Min humidity........20-30%.
20-foot winds.......Downslope/downvalley 3 to 6 mph becoming
upslope/upvalley 4 to 8 mph by 1100.
CWR.................10 percent.
15K Ft MSL Winds....Southwest 20 to 30 mph decreasing to 20 to 25
mph in the afternoon.
Mixing Height.......500 ft AGL until 0900, then 9000 ft AGL.
Transport Winds.....Southwest 5 mph until 1200, then west 15 to 20
mph.
Smoke dispersal.....Poor until 0900. Very good after 1200.
.FORECAST FOR DAY 3 THROUGH 7...
.WEDNESDAY...Mostly clear. Lows 43-53. Highs 76-86. Winds less
than 15 mph.
.THURSDAY...Mostly clear. Lows 44-54. Highs 75-85. West winds
10 to 20 mph with gusts to 30 mph.
.FRIDAY...Mostly clear. Isolated showers and thunderstorms. Lows
45-55. Highs 75-85. West winds 10 to 20 mph with gusts to
35 mph.
.SATURDAY...Partly cloudy. Isolated showers and thunderstorms.
Lows 45-55. Highs 74-84.
.SUNDAY...Partly cloudy. Scattered showers and thunderstorms.
Lows 46-56. Highs 71-81.
$$
COZ207-080945-
Southwest Colorado Lower Forecast Area-
1143 AM MDT Mon Sep 7 2026
.TODAY...
Sky/weather.........Partly cloudy (40-50%).
Chc of lightning....0 percent.
Max temperature.....79-89 F.
Min humidity........18-28%.
20-foot winds.......Downslope/downvalley 3 to 6 mph becoming
upslope/upvalley 4 to 8 mph by 1100.
CWR.................0 percent.
15K Ft MSL Winds....Southwest 20 to 30 mph.
Mixing Height.......500 ft AGL until 0900. 10000 ft AGL after 1100.
Transport Winds.....South 5 to 10 mph until 1200, then west.
Smoke dispersal.....Poor until 0900. Very good after 1200.
.TONIGHT...
Sky/weather.........Partly cloudy (50-60%).
Chc of lightning....0 percent.
Min temperature.....55-65 F.
Max humidity........52-62%.
20-foot winds.......Upslope/upvalley 4 to 8 mph becoming
downslope/downvalley 3 to 6 mph by sunset.
CWR.................0 percent.
15K Ft MSL Winds....Southwest 20 to 25 mph.
Mixing Height.......9000 ft AGL until 1900. 500 ft AGL after 2000.
Transport Winds.....Northwest 5 to 10 mph until 2400, then east.
Smoke dispersal.....Fair until 2100, then poor.
.TUESDAY...
Sky/weather.........Mostly sunny (20-30%).
Chc of lightning....0 percent.
Max temperature.....83-93 F.
Min humidity........13-23%.
20-foot winds.......Downslope/downvalley 3 to 6 mph becoming
upslope/upvalley 4 to 8 mph by 1100.
CWR.................0 percent.
15K Ft MSL Winds....Southwest 20 to 25 mph decreasing to 15 to 20
mph in the afternoon.
Mixing Height.......1000 ft AGL until 1000, then 10500 ft AGL.
Transport Winds.....Southeast 5 mph until 1200, then west 10 to 15
mph.
Smoke dispersal.....Poor until 0900. Good after 1200.
.FORECAST FOR DAY 3 THROUGH 7...
.WEDNESDAY...Mostly clear. Lows 52-62. Highs 86-96. Winds less
than 15 mph.
.THURSDAY...Clear. Lows 53-63. Highs 86-96. Winds less than
15 mph.
.FRIDAY...Clear. Isolated showers and thunderstorms. Lows 55-65.
Highs 85-95. West winds 10 to 20 mph with gusts to 35 mph.
.SATURDAY...Mostly clear. Isolated showers and thunderstorms.
Lows 55-65. Highs 83-93.
.SUNDAY...Partly cloudy. Scattered showers and isolated
thunderstorms. Lows 55-65. Highs 80-90.
$$
COZ294-080945-
Southwest Colorado Upper West Forecast Area-
1143 AM MDT Mon Sep 7 2026
.TODAY...
Sky/weather.........Partly cloudy (40-50%). Isolated showers and
thunderstorms.
Chc of lightning....10 percent.
Max temperature.....65-75 F.
Min humidity........26-36%.
20-foot winds.......Upslope/upvalley winds 4 to 8 mph. Localized
gusts up to 30 mph in the afternoon.
CWR.................0 percent.
15K Ft MSL Winds....Southwest 20 to 30 mph.
Mixing Height.......2000 ft AGL until 1000, then 8000 ft AGL.
Transport Winds.....Southwest 5 to 10 mph.
Smoke dispersal.....Poor until 0900. Very good after 1200.
.TONIGHT...
Sky/weather.........Partly cloudy (40-50%).
Chc of lightning....0 percent.
Min temperature.....49-59 F.
Max humidity........60-75%.
20-foot winds.......Upslope/upvalley 4 to 8 mph becoming
downslope/downvalley 3 to 6 mph by sunset.
CWR.................0 percent.
15K Ft MSL Winds....Southwest 20 to 25 mph.
Mixing Height.......5500 ft AGL until 2000, then 500 ft AGL.
Transport Winds.....West 5 to 10 mph until 2400, then southeast.
Smoke dispersal.....Poor.
.TUESDAY...
Sky/weather.........Mostly sunny (20-30%).
Chc of lightning....0 percent.
Max temperature.....69-79 F.
Min humidity........19-29%.
20-foot winds.......Upslope/upvalley winds 4 to 8 mph. Localized
gusts up to 25 mph.
CWR.................0 percent.
15K Ft MSL Winds....Southwest 20 to 25 mph decreasing to 15 to 20
mph in the afternoon.
Mixing Height.......500 ft AGL until 0900. 9000 ft AGL after 1000.
Transport Winds.....South 5 to 10 mph until 1200, then west.
Smoke dispersal.....Poor until 0900. Very good after 1200.
.FORECAST FOR DAY 3 THROUGH 7...
.WEDNESDAY...Mostly clear. Lows 44-54. Highs 75-85. Winds less
than 15 mph.
.THURSDAY...Clear. Lows 45-55. Highs 75-85. Winds less than
15 mph.
.FRIDAY...Mostly clear. Isolated showers and thunderstorms. Lows
47-57. Highs 73-83. Winds less than 15 mph.
.SATURDAY...Mostly clear. Isolated showers and thunderstorms.
Lows 46-56. Highs 71-81.
.SUNDAY...Partly cloudy. Scattered showers and thunderstorms.
Lows 47-57. Highs 68-78.
$$
COZ295-080945-
Southwest Colorado Upper East Forecast Area-
1143 AM MDT Mon Sep 7 2026
.TODAY...
Sky/weather.........Partly cloudy (50-60%) until 1200, then mostly
cloudy (60-70%). Isolated showers and
thunderstorms.
Chc of lightning....20 percent.
Max temperature.....71-81 F.
Min humidity........27-37%.
20-foot winds.......Downslope/downvalley 3 to 6 mph becoming
upslope/upvalley 4 to 8 mph by 1100.
CWR.................10 percent.
15K Ft MSL Winds....Southwest 20 to 30 mph decreasing to 20 to 25
mph in the afternoon.
Mixing Height.......1500 ft AGL until 1000, then 8000 ft AGL.
Transport Winds.....Southwest 5 mph until 1200, then west 10 to 15
mph.
Smoke dispersal.....Poor until 0900. Good after 1200.
.TONIGHT...
Sky/weather.........Mostly cloudy (60-70%) until 2400, then partly
cloudy (50-60%).
Chc of lightning....0 percent.
Min temperature.....48-58 F.
Max humidity........63-78%.
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 15 to 20 mph.
Mixing Height.......5500 ft AGL until 2000, then 500 ft AGL.
Transport Winds.....West 5 to 10 mph until 2400, then southeast.
Smoke dispersal.....Poor.
.TUESDAY...
Sky/weather.........Partly cloudy (30-40%).
Chc of lightning....0 percent.
Max temperature.....76-86 F.
Min humidity........20-30%.
20-foot winds.......Downslope/downvalley 3 to 6 mph becoming
upslope/upvalley 4 to 8 mph by 1100.
CWR.................0 percent.
15K Ft MSL Winds....West 15 to 20 mph decreasing to 10 to 15 mph in
the afternoon.
Mixing Height.......500 ft AGL until 0900. 9000 ft AGL after 1100.
Transport Winds.....Northwest 5 mph until 1200, then west.
Smoke dispersal.....Poor until 0900. Good after 1200.
.FORECAST FOR DAY 3 THROUGH 7...
.WEDNESDAY...Mostly clear. Lows 46-56. Highs 79-89. Winds less
than 15 mph.
.THURSDAY...Mostly clear. Lows 46-56. Highs 77-87. Winds less
than 15 mph.
.FRIDAY...Mostly clear. Isolated showers and thunderstorms. Lows
46-56. Highs 76-86. Winds less than 15 mph.
.SATURDAY...Mostly clear. Isolated showers and thunderstorms.
Lows 46-56. Highs 74-84.
.SUNDAY...Partly cloudy. Scattered showers and thunderstorms.
Lows 46-56. Highs 70-80.
$$
UTZ485-080945-
Eastern Ashley National Forest-
1143 AM MDT Mon Sep 7 2026
.TODAY...
Sky/weather.........Partly cloudy (30-40%) near 7000 feet and
mostly sunny (20-30%) near 10000 feet.
Chc of lightning....0 percent.
Max temperature.....65-75 F near 7000 feet
57-67 F near 10000 feet.
24 hr trend......5 degrees cooler.
Min humidity........24-34% near 7000 feet
31-41% near 10000 feet.
24 hr trend......7% wetter.
20-foot winds.......Downslope/downvalley 3 to 6 mph becoming
upslope/upvalley 4 to 8 mph by 1100.
CWR.................0 percent.
Mixing Height.......500 ft AGL until 0900. 8500 ft AGL after 1000.
Transport Winds.....Southwest 5 to 10 mph.
Clearing Index......Less than 500 until 1000. 1050 after 1200.
.TONIGHT...
Sky/weather.........Mostly clear (20-30%).
Chc of lightning....0 percent.
Min temperature.....44-54 F near 7000 feet
35-45 F near 10000 feet.
24 hr trend......3 degrees cooler.
Max humidity........45-55% near 7000 feet
54-64% near 10000 feet.
24 hr trend......44% drier.
20-foot winds.......Downslope/downvalley winds 3 to 6 mph.
Localized gusts up to 20 mph in the evening.
CWR.................0 percent.
Mixing Height.......7500 ft AGL until 1900. 1000 ft AGL after 2000.
Transport Winds.....Northwest 5 mph.
Clearing Index......1050 until 1900. Less than 500 after 2000.
.TUESDAY...
Sky/weather.........Mostly sunny (20-30%) until 1200, then partly
cloudy (30-40%).
Chc of lightning....0 percent.
Max temperature.....67-77 F near 7000 feet
59-69 F near 10000 feet.
24 hr trend......3 degrees warmer.
Min humidity........18-28% near 7000 feet
26-36% near 10000 feet.
24 hr trend......6% 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 1100, then 9000 ft AGL.
Transport Winds.....Southwest 5 mph until 1200, then west 10 to 15
mph.
Clearing Index......Less than 500 until 1100. 1050 after 1200.
.FORECAST FOR DAY 3 THROUGH 7...
.WEDNESDAY...Mostly clear. Lows 45-55. Highs 70-80. Winds less
than 15 mph.
.THURSDAY...Mostly clear. Lows 47-57. Highs 71-81. Winds less
than 15 mph.
.FRIDAY...Partly cloudy. Isolated showers and thunderstorms. Lows
50-60. Highs 71-81. Winds less than 15 mph.
.SATURDAY...Partly cloudy. Isolated showers and thunderstorms .
Lows 48-58. Highs 71-81.
.SUNDAY...Partly cloudy. Isolated showers and thunderstorms. Lows
48-58. Highs 66-76.
$$
UTZ486-080945-
Eastern Uinta Basin-
1143 AM MDT Mon Sep 7 2026
.TODAY...
Sky/weather.........Partly cloudy (30-40%).
Chc of lightning....0 percent.
Max temperature.....70-80 F near 5000 feet
58-68 F near 8000 feet.
24 hr trend......4 degrees cooler.
Min humidity........20-30% near 5000 feet
26-36% near 8000 feet.
24 hr trend......5% wetter.
20-foot winds.......Upslope/upvalley winds 4 to 8 mph. Localized
gusts up to 25 mph in the afternoon.
CWR.................0 percent.
Mixing Height.......1500 ft AGL until 1000. 9500 ft AGL after 1100.
Transport Winds.....Southwest 5 to 10 mph until 1200, then 15 to 20
mph.
Clearing Index......Less than 500 until 1000. 1050 after 1100.
.TONIGHT...
Sky/weather.........Mostly clear (10-20%).
Chc of lightning....0 percent.
Min temperature.....47-57 F near 5000 feet
41-51 F near 8000 feet.
24 hr trend......1 degree warmer.
Max humidity........41-51%.
24 hr trend......38% drier.
20-foot winds.......Upslope/upvalley 4 to 8 mph becoming
downslope/downvalley 3 to 6 mph by sunset.
CWR.................0 percent.
Mixing Height.......8500 ft AGL until 1900. 500 ft AGL after 2000.
Transport Winds.....Northwest 5 to 10 mph until 2400, then north.
Clearing Index......1050 until 1900. Less than 500 after 2000.
.TUESDAY...
Sky/weather.........Near 5000 feet, mostly sunny (20-30%). Near
8000 feet, mostly sunny (20-30%) until 1200,
then partly cloudy (30-40%).
Chc of lightning....0 percent.
Max temperature.....73-83 F near 5000 feet
61-71 F near 8000 feet.
24 hr trend......3 degrees warmer.
Min humidity........14-24%.
24 hr trend......5% drier.
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 1200, then 9500 ft AGL.
Transport Winds.....East 5 mph until 1200, then west 10 to 15 mph.
Clearing Index......Less than 500 until 1200. 1050 after 1300.
.FORECAST FOR DAY 3 THROUGH 7...
.WEDNESDAY...Mostly clear. Lows 48-58. Highs 75-85. Winds less
than 15 mph.
.THURSDAY...Mostly clear. Lows 50-60. Highs 76-86. Winds less
than 15 mph.
.FRIDAY...Partly cloudy. Isolated showers and thunderstorms .
Lows 54-64. Highs 77-87. Winds less than 15 mph.
.SATURDAY...Mostly clear. Isolated showers and thunderstorms .
Lows 52-62. Highs 77-87.
.SUNDAY...Mostly clear. Isolated showers and thunderstorms . Lows
53-63. Highs 72-82.
$$
UTZ487-080945-
Book Cliffs-
1143 AM MDT Mon Sep 7 2026
.TODAY...
Sky/weather.........Partly cloudy (30-40%).
Chc of lightning....0 percent.
Max temperature.....72-82 F near 5000 feet
64-74 F near 8000 feet.
24 hr trend......3 degrees cooler.
Min humidity........18-28% near 5000 feet
25-35% near 8000 feet.
24 hr trend......3% wetter.
20-foot winds.......Upslope/upvalley winds 4 to 8 mph. Localized
gusts up to 25 mph in the afternoon.
CWR.................0 percent.
Mixing Height.......500 ft AGL until 0900. 10000 ft AGL after 1000.
Transport Winds.....Southwest 5 to 10 mph until 1200, then 15 to 20
mph.
Clearing Index......Less than 500 until 0900. 1050 after 1100.
.TONIGHT...
Sky/weather.........Partly cloudy (30-40%).
Chc of lightning....0 percent.
Min temperature.....49-59 F.
24 hr trend......Unchanged.
Max humidity........49-59%.
24 hr trend......20% drier.
20-foot winds.......Downslope/downvalley winds 3 to 6 mph.
Localized gusts up to 20 mph in the evening.
CWR.................0 percent.
Mixing Height.......8000 ft AGL until 2000, then 500 ft AGL.
Transport Winds.....West 5 to 10 mph until 2400, then east.
Clearing Index......1050 until 1900. Less than 500 after 2000.
.TUESDAY...
Sky/weather.........Mostly sunny (10-20%).
Chc of lightning....0 percent.
Max temperature.....75-85 F near 5000 feet
69-79 F near 8000 feet.
24 hr trend......2 degrees warmer.
Min humidity........13-23%.
24 hr trend......5% drier.
20-foot winds.......Downslope/downvalley 3 to 6 mph becoming
upslope/upvalley 4 to 8 mph by 1100.
CWR.................0 percent.
Mixing Height.......1000 ft AGL until 1000. 9000 ft AGL after 1100.
Transport Winds.....West 5 mph.
Clearing Index......Less than 500 until 1200, then 850.
.FORECAST FOR DAY 3 THROUGH 7...
.WEDNESDAY...Mostly clear. Lows 49-59. Highs 78-88. Winds less
than 15 mph.
.THURSDAY...Mostly clear. Lows 50-60. Highs 81-91. Winds less
than 15 mph.
.FRIDAY...Partly cloudy. Isolated showers and thunderstorms near
8000 feet. Lows 54-64. Highs 81-91. Winds less than 15 mph.
.SATURDAY...Partly cloudy. Isolated showers and thunderstorms .
Lows 54-64. Highs 80-90.
.SUNDAY...Mostly clear. Isolated showers and thunderstorms . Lows
54-64. Highs 76-86.
$$
UTZ490-080945-
Colorado River Basin-
1143 AM MDT Mon Sep 7 2026
.TODAY...
Sky/weather.........Partly cloudy (50-60%).
Chc of lightning....0 percent.
Max temperature.....82-92 F near 5000 feet
71-81 F near 7000 feet.
24 hr trend......3 degrees cooler.
Min humidity........17-27%.
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.......1000 ft AGL until 0900, then 10000 ft AGL.
Transport Winds.....Southwest 5 to 10 mph.
Clearing Index......Less than 500 until 0900. 1050 after 1200.
.TONIGHT...
Sky/weather.........Partly cloudy (40-50%).
Chc of lightning....0 percent.
Min temperature.....58-68 F near 5000 feet
52-62 F near 7000 feet.
24 hr trend......Unchanged.
Max humidity........39-49%.
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.......8500 ft AGL until 2000, then 1000 ft AGL.
Transport Winds.....Southwest 5 to 10 mph until 2400, then east.
Clearing Index......1000 until 2000, then less than 500.
.TUESDAY...
Sky/weather.........Mostly sunny (20-30%).
Chc of lightning....0 percent.
Max temperature.....84-94 F near 5000 feet
73-83 F near 7000 feet.
24 hr trend......4 degrees warmer.
Min humidity........11-16%.
24 hr trend......7% drier.
20-foot winds.......Downslope/downvalley 3 to 6 mph becoming
upslope/upvalley 4 to 8 mph by 1100.
CWR.................0 percent.
Mixing Height.......1000 ft AGL until 1000, then 8500 ft AGL.
Transport Winds.....Southeast 5 mph until 1200, then southwest.
Clearing Index......Less than 500 until 1200. 1000 after 1300.
.FORECAST FOR DAY 3 THROUGH 7...
.WEDNESDAY...Mostly clear. Lows 56-66. Highs 85-95. Winds less
than 15 mph.
.THURSDAY...Mostly clear. Lows 58-68. Highs 86-96. Winds less
than 15 mph.
.FRIDAY...Mostly clear. Isolated showers and thunderstorms . Lows
60-70. Highs 87-97. Winds less than 15 mph.
.SATURDAY...Mostly clear. Isolated showers and thunderstorms .
Lows 60-70. Highs 86-96.
.SUNDAY...Mostly clear. Isolated showers and thunderstorms . Lows
60-70. Highs 81-91.
$$
UTZ491-080945-
Southeast Utah-
1143 AM MDT Mon Sep 7 2026
.TODAY...
Sky/weather.........Partly cloudy (40-50%).
Chc of lightning....0 percent.
Max temperature.....81-91 F near 5000 feet
66-76 F near 8000 feet.
24 hr trend......2 degrees cooler.
Min humidity........18-28% near 5000 feet
24-34% near 8000 feet.
24 hr trend......1% wetter.
20-foot winds.......Upslope/upvalley winds 4 to 8 mph. Localized
gusts up to 25 mph in the afternoon.
CWR.................0 percent.
Mixing Height.......500 ft AGL until 0900. 9000 ft AGL after 1100.
Transport Winds.....South 5 mph until 1200, then west 10 to 15 mph.
Clearing Index......Less than 500 until 0900. 1050 after 1100.
.TONIGHT...
Sky/weather.........Near 5000 feet, partly cloudy (50-60%). Near
8000 feet, mostly cloudy (60-70%) until 2400,
then partly cloudy (50-60%).
Chc of lightning....0 percent.
Min temperature.....57-67 F near 5000 feet
50-60 F near 8000 feet.
24 hr trend......Unchanged.
Max humidity........42-52%.
24 hr trend......12% drier.
20-foot winds.......Upslope/upvalley 4 to 8 mph becoming
downslope/downvalley 3 to 6 mph by sunset.
CWR.................0 percent.
Mixing Height.......7000 ft AGL until 2000, then 1000 ft AGL.
Transport Winds.....West 5 mph.
Clearing Index......1000 until 2000, then less than 500.
.TUESDAY...
Sky/weather.........Mostly sunny (20-30%).
Chc of lightning....0 percent.
Max temperature.....84-94 F near 5000 feet
69-79 F near 8000 feet.
24 hr trend......3 degrees warmer.
Min humidity........12-22%.
24 hr trend......5% 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.......1000 ft AGL until 1000, then 9000 ft AGL.
Transport Winds.....Southwest 5 mph.
Clearing Index......Less than 500 until 1100. 1050 after 1300.
.FORECAST FOR DAY 3 THROUGH 7...
.WEDNESDAY...Mostly clear. Lows 58-68. Highs 87-97. Winds less
than 15 mph.
.THURSDAY...Clear. Lows 60-70. Highs 88-98. Winds less than
15 mph.
.FRIDAY...Mostly clear. Isolated showers and thunderstorms . Lows
61-71. Highs 88-98. Winds less than 15 mph.
.SATURDAY...Mostly clear. Isolated showers and thunderstorms .
Lows 61-71. Highs 85-95.
.SUNDAY...Mostly clear. Isolated showers and thunderstorms . Lows
60-70. Highs 82-92.
$$