Routine Fire Wx Fcst (With/Without 6-10 Day Outlook)
Issued by NWS Grand Junction, CO
Issued by NWS Grand Junction, CO
632
FNUS55 KGJT 300946
FWFGJT
Fire Weather Planning Forecast for Wrn Colorado and Ern Utah
National Weather Service Grand Junction CO
346 AM MDT Sat Aug 30 2025
.DISCUSSION...
Isolated showers and thunderstorms develop on terrain today. A
few gusty outflows are possible, along with some small hail.
Critical fire weather conditions are not expected. Flash flooding
is not expected today and wetting rains will be very localized.
Temperatures begin to warm today and lower relative humidities
return to the region Sunday and beyond. Winds remain below
critical fire thresholds and widespread critical fire weather is
not expected this week.
...GUSTY ERRATIC WINDS CAN BE EXPECTED NEAR ANY SHOWERS
OR THUNDERSTORMS...
...THE SMOKE DATA IS CALCULATED FROM AN AVERAGE AT 6000 FEET MSL...
COZ200-310200-
Little Snake Forecast Area-
346 AM MDT Sat Aug 30 2025
.TODAY...
Sky/weather.........Mostly sunny (10-20%). Near 8000 feet, isolated
showers and thunderstorms until 1200, scattered
showers and thunderstorms after 1200.
Chc of lightning....0 percent.
Max temperature.....71-81 F near 6000 feet
61-71 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....Northwest 15 to 20 mph.
Mixing Height.......3000 ft AGL until 1100, then 11500 ft AGL.
Transport Winds.....West 5 mph until 1200, then north.
Smoke dispersal.....Poor until 1200, then good.
.TONIGHT...
Sky/weather.........Mostly clear (10-20%).
Chc of lightning....0 percent.
Min temperature.....47-57 F.
Max humidity........59-74% near 6000 feet
50-60% 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....North 10 to 15 mph.
Mixing Height.......9500 ft AGL until 2000, then 1500 ft AGL.
Transport Winds.....North 5 mph.
Smoke dispersal.....Fair until 2100, then poor.
.SUNDAY...
Sky/weather.........Mostly sunny (10-20%).
Chc of lightning....0 percent.
Max temperature.....73-83 F near 6000 feet
63-73 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....North 10 to 15 mph.
Mixing Height.......3000 ft AGL until 1100, then 10000 ft AGL.
Transport Winds.....North 5 mph.
Smoke dispersal.....Poor until 0900. Fair after 1200.
.FORECAST FOR DAY 3 THROUGH 7...
.LABOR DAY...Clear. Lows 45-55. Highs 78-88. Winds less than
15 mph.
.TUESDAY...Clear. Lows 46-56. Highs 79-89. Winds less than
15 mph.
.WEDNESDAY...Mostly clear. Lows 47-57. Highs 78-88. Winds less
than 15 mph.
.THURSDAY...Mostly clear. Lows 46-56. Highs 78-88.
.FRIDAY...Mostly clear. Lows 47-57. Highs 78-88.
$$
COZ201-310200-
Routt Forecast Area-
346 AM MDT Sat Aug 30 2025
.TODAY...
Sky/weather.........Partly cloudy (30-40%). Patchy fog until 1200.
Isolated thunderstorms until 1200. Scattered
showers. Scattered thunderstorms after 1200.
Chc of lightning....30 percent.
Max temperature.....59-69 F.
Min humidity........31-41%.
20-foot winds.......Upslope/upvalley winds 4 to 8 mph. Localized
gusts up to 20 mph in the afternoon.
CWR.................20 percent.
15K Ft MSL Winds....Northwest 10 to 15 mph.
Mixing Height.......3000 ft AGL until 1100, then 8500 ft AGL.
Transport Winds.....Northwest 5 mph.
Smoke dispersal.....Poor until 0900. Good after 1200.
.TONIGHT...
Sky/weather.........Mostly clear (20-30%).
Chc of lightning....0 percent.
Min temperature.....41-51 F.
Max humidity........58-73%.
20-foot winds.......Upslope/upvalley 4 to 8 mph becoming
downslope/downvalley 3 to 6 mph by sunset.
CWR.................0 percent.
15K Ft MSL Winds....North 15 to 20 mph.
Mixing Height.......6000 ft AGL until 2000, then 1500 ft AGL.
Transport Winds.....North 5 to 10 mph until 2400, then east.
Smoke dispersal.....Poor.
.SUNDAY...
Sky/weather.........Mostly sunny (10-20%).
Chc of lightning....0 percent.
Max temperature.....63-73 F.
Min humidity........19-29%.
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....North 10 to 15 mph becoming northwest 5 to 10
mph in the afternoon.
Mixing Height.......2500 ft AGL until 1000, then 8500 ft AGL.
Transport Winds.....North 5 mph.
Smoke dispersal.....Poor until 0900. Good after 1200.
.FORECAST FOR DAY 3 THROUGH 7...
.LABOR DAY...Clear. Lows 40-50. Highs 68-78. Winds less than
15 mph.
.TUESDAY...Mostly clear. Lows 42-52. Highs 68-78. Winds less than
15 mph.
.WEDNESDAY...Mostly clear. Isolated showers and thunderstorms.
Lows 41-51. Highs 67-77. Winds less than 15 mph.
.THURSDAY...Mostly clear. Isolated showers and thunderstorms.
Lows 41-51. Highs 67-77.
.FRIDAY...Mostly clear. Isolated showers and thunderstorms. Lows
41-51. Highs 67-77.
$$
COZ202-310200-
White River Forecast Area-
346 AM MDT Sat Aug 30 2025
.TODAY...
Sky/weather.........Mostly sunny (10-20%). Near 6000 feet, patchy
fog until 1200, isolated showers until 1200.
near 8000 feet, isolated thunderstorms,
isolated showers and thunderstorms.
Chc of lightning....0 percent.
Max temperature.....67-77 F near 6000 feet
60-70 F near 8000 feet.
Min humidity........18-28% near 6000 feet
26-36% 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....Northwest 10 to 15 mph.
Mixing Height.......3000 ft AGL until 1200, then 10000 ft AGL.
Transport Winds.....Southwest 5 mph until 1200, then north.
Smoke dispersal.....Poor until 1200. Good after 1500.
.TONIGHT...
Sky/weather.........Mostly clear (10-20%).
Chc of lightning....0 percent.
Min temperature.....45-55 F.
Max humidity........57-72% near 6000 feet
44-54% 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....North 10 to 15 mph.
Mixing Height.......9500 ft AGL until 1900. 1000 ft AGL after 2000.
Transport Winds.....Northeast 5 mph until 2400, then east.
Smoke dispersal.....Poor.
.SUNDAY...
Sky/weather.........Sunny (0-10%).
Chc of lightning....0 percent.
Max temperature.....73-83 F near 6000 feet
65-75 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....North 5 to 10 mph.
Mixing Height.......2500 ft AGL until 1100, then 9000 ft AGL.
Transport Winds.....Northeast 5 mph.
Smoke dispersal.....Poor until 0900. Fair after 1200.
.FORECAST FOR DAY 3 THROUGH 7...
.LABOR DAY...Clear. Lows 45-55. Highs 78-88. Winds less than
15 mph.
.TUESDAY...Clear. Lows 46-56. Highs 79-89. Winds less than
15 mph.
.WEDNESDAY...Mostly clear. Isolated showers near 8000 feet. Lows
47-57. Highs 79-89. Winds less than 15 mph.
.THURSDAY...Mostly clear. Isolated showers and thunderstorms near
8000 feet. Lows 47-57. Highs 78-88.
.FRIDAY...Mostly clear. Isolated showers and thunderstorms. Lows
47-57. Highs 78-88.
$$
COZ203-310200-
Lower Colorado River-
346 AM MDT Sat Aug 30 2025
.TODAY...
Sky/weather.........Mostly sunny (20-30%). Patchy fog until 1200.
Isolated showers and thunderstorms.
Chc of lightning....10 percent.
Max temperature.....72-82 F near 6000 feet
64-74 F near 8000 feet.
Min humidity........17-27%.
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....North 10 to 15 mph.
Mixing Height.......3000 ft AGL until 1100, then 11000 ft AGL.
Transport Winds.....North 5 mph.
Smoke dispersal.....Poor until 1200, then good.
.TONIGHT...
Sky/weather.........Mostly clear (10-20%).
Chc of lightning....0 percent.
Min temperature.....51-61 F.
Max humidity........45-55%.
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....Northeast 5 to 10 mph.
Mixing Height.......8500 ft AGL until 2000, then 2000 ft AGL.
Transport Winds.....Northeast 5 mph.
Smoke dispersal.....Fair until 2100, then poor.
.SUNDAY...
Sky/weather.........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........12-17%.
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....North 5 to 10 mph.
Mixing Height.......2500 ft AGL until 1000, then 11000 ft AGL.
Transport Winds.....Northeast 5 mph until 1200, then north.
Smoke dispersal.....Poor until 0900. Good after 1500.
.FORECAST FOR DAY 3 THROUGH 7...
.LABOR DAY...Clear. Lows 51-61. Highs 80-90. Winds less than
15 mph.
.TUESDAY...Clear. Lows 52-62. Highs 81-91. Winds less than
15 mph.
.WEDNESDAY...Mostly clear. Isolated showers and thunderstorms.
Lows 53-63. Highs 80-90. Winds less than 15 mph.
.THURSDAY...Mostly clear. Isolated showers and thunderstorms.
Lows 52-62. Highs 80-90.
.FRIDAY...Mostly clear. Isolated showers and thunderstorms. Lows
52-62. Highs 79-89.
$$
COZ205-310200-
Colorado River Headwaters-
346 AM MDT Sat Aug 30 2025
.TODAY...
Sky/weather.........Partly cloudy (40-50%). Patchy fog until 1200.
Isolated thunderstorms until 1200. Scattered
showers. Scattered thunderstorms after 1200.
Chc of lightning....40 percent.
Max temperature.....63-73 F.
Min humidity........28-38%.
20-foot winds.......Upslope/upvalley winds 4 to 8 mph. Localized
gusts up to 20 mph in the afternoon.
CWR.................40 percent.
15K Ft MSL Winds....Northwest 10 to 15 mph.
Mixing Height.......3500 ft AGL until 1100, then 8500 ft AGL.
Transport Winds.....Northwest 5 mph.
Smoke dispersal.....Poor until 1200, then fair.
.TONIGHT...
Sky/weather.........Mostly clear (20-30%).
Chc of lightning....0 percent.
Min temperature.....43-53 F.
Max humidity........59-74%.
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....North 10 to 15 mph.
Mixing Height.......6500 ft AGL until 2000, then 2000 ft AGL.
Transport Winds.....North 5 mph until 2400, then east.
Smoke dispersal.....Poor.
.SUNDAY...
Sky/weather.........Mostly sunny (10-20%).
Chc of lightning....0 percent.
Max temperature.....68-78 F.
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....North 5 to 10 mph.
Mixing Height.......3000 ft AGL until 1000, then 10000 ft AGL.
Transport Winds.....Northeast 5 mph until 1200, then north.
Smoke dispersal.....Poor until 0900. Fair after 1200.
.FORECAST FOR DAY 3 THROUGH 7...
.LABOR DAY...Clear. Lows 40-50. Highs 69-79. Winds less than
15 mph.
.TUESDAY...Mostly clear. Lows 42-52. Highs 69-79. Winds less than
15 mph.
.WEDNESDAY...Mostly clear. Isolated showers and thunderstorms.
Lows 42-52. Highs 68-78. Winds less than 15 mph.
.THURSDAY...Mostly clear. Isolated showers and thunderstorms.
Lows 41-51. Highs 69-79.
.FRIDAY...Mostly clear. Isolated showers and thunderstorms. Lows
41-51. Highs 68-78.
$$
COZ290-310200-
Paradox Valley Forecast Area-
346 AM MDT Sat Aug 30 2025
.TODAY...
Sky/weather.........Mostly sunny (10-20%). Near 8000 feet, patchy
fog until 1200.
Chc of lightning....0 percent.
Max temperature.....73-83 F near 6000 feet
62-72 F near 8000 feet.
Min humidity........16-26% near 6000 feet
23-33% 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....North 10 to 15 mph.
Mixing Height.......2000 ft AGL until 1000, then 11000 ft AGL.
Transport Winds.....North 5 mph.
Smoke dispersal.....Poor until 0900. Good after 1200.
.TONIGHT...
Sky/weather.........Mostly clear (10-20%).
Chc of lightning....0 percent.
Min temperature.....46-56 F near 6000 feet
44-54 F near 8000 feet.
Max humidity........41-51% 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....Northeast 5 to 10 mph shifting to the southeast
after midnight.
Mixing Height.......8500 ft AGL until 2000, then 1500 ft AGL.
Transport Winds.....Northeast 5 mph.
Smoke dispersal.....Fair until 2100, then poor.
.SUNDAY...
Sky/weather.........Sunny (0-10%). Near 8000 feet, isolated showers
and thunderstorms after 1200.
Chc of lightning....0 percent.
Max temperature.....76-86 F near 6000 feet
65-75 F near 8000 feet.
Min humidity........10-15% near 6000 feet
14-24% 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 5 to 10 mph shifting to the north 5
mph in the afternoon.
Mixing Height.......3000 ft AGL until 1100, then 11000 ft AGL.
Transport Winds.....Northeast 5 mph.
Smoke dispersal.....Poor until 0900. Fair after 1200.
.FORECAST FOR DAY 3 THROUGH 7...
.LABOR DAY...Clear. Isolated showers and thunderstorms near
8000 feet. Lows 53-63. Highs 81-91. Winds less than 15 mph.
.TUESDAY...Mostly clear. Isolated showers and thunderstorms near
8000 feet. Lows 54-64. Highs 82-92. Winds less than 15 mph.
.WEDNESDAY...Mostly clear. Isolated showers and thunderstorms.
Lows 55-65. Highs 81-91. Winds less than 15 mph.
.THURSDAY...Mostly clear. Isolated showers and thunderstorms.
Lows 54-64. Highs 80-90.
.FRIDAY...Mostly clear. Isolated showers and thunderstorms near
6000 feet and scattered showers and isolated thunderstorms near
8000 feet. Lows 54-64. Highs 80-90.
$$
COZ291-310200-
Northern San Juan Forecast Area-
346 AM MDT Sat Aug 30 2025
.TODAY...
Sky/weather.........Mostly sunny (20-30%). Areas of fog until 1200.
Isolated showers and thunderstorms.
Chc of lightning....10 percent.
Max temperature.....61-71 F.
Min humidity........24-34%.
20-foot winds.......Upslope/upvalley winds 4 to 8 mph. Localized
gusts up to 20 mph in the afternoon.
CWR.................10 percent.
15K Ft MSL Winds....Northwest 10 to 15 mph decreasing to 5 to 10
mph in the afternoon.
Mixing Height.......3500 ft AGL until 1100, then 9000 ft AGL.
Transport Winds.....North 5 mph.
Smoke dispersal.....Poor until 0900. Good after 1200.
.TONIGHT...
Sky/weather.........Mostly clear (10-20%).
Chc of lightning....0 percent.
Min temperature.....42-52 F.
Max humidity........56-71%.
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....Northeast 5 to 10 mph shifting to the southwest
after midnight.
Mixing Height.......6500 ft AGL until 2000, then 2000 ft AGL.
Transport Winds.....Northeast 5 to 10 mph until 2400, then east.
Smoke dispersal.....Poor.
.SUNDAY...
Sky/weather.........Mostly sunny (10-20%). Isolated showers and
thunderstorms after 1200.
Chc of lightning....10 percent.
Max temperature.....65-75 F.
Min humidity........16-26%.
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 5 to 10 mph.
Mixing Height.......3000 ft AGL until 1000, then 10000 ft AGL.
Transport Winds.....East 5 mph until 1200, then northwest.
Smoke dispersal.....Poor until 0900. Fair after 1200.
.FORECAST FOR DAY 3 THROUGH 7...
.LABOR DAY...Mostly clear. Isolated showers and thunderstorms.
Lows 42-52. Highs 71-81. Winds less than 15 mph.
.TUESDAY...Mostly clear. Isolated showers and thunderstorms. Lows
44-54. Highs 71-81. Winds less than 15 mph.
.WEDNESDAY...Partly cloudy. Scattered showers and thunderstorms.
Lows 44-54. Highs 69-79. Winds less than 15 mph.
.THURSDAY...Partly cloudy. Scattered showers and isolated
thunderstorms. Lows 43-53. Highs 70-80.
.FRIDAY...Partly cloudy. Scattered showers and isolated
thunderstorms. Lows 44-54. Highs 69-79.
$$
COZ292-310200-
North Fork Forecast Area-
346 AM MDT Sat Aug 30 2025
.TODAY...
Sky/weather.........Near 6000 feet, mostly sunny (20-30%). Near
8000 feet, partly cloudy (30-40%). Patchy fog
until 1200. Isolated showers and thunderstorms.
Chc of lightning....10 percent.
Max temperature.....72-82 F near 6000 feet
62-72 F near 8000 feet.
Min humidity........23-33%.
20-foot winds.......Downslope/downvalley 3 to 6 mph becoming
upslope/upvalley 4 to 8 mph by 1100.
CWR.................20 percent.
15K Ft MSL Winds....North 15 to 20 mph decreasing to 10 to 15 mph
in the afternoon.
Mixing Height.......9500 ft AGL.
Transport Winds.....Northwest 5 mph.
Smoke dispersal.....Poor until 1200. Good after 1500.
.TONIGHT...
Sky/weather.........Mostly clear (10-20%).
Chc of lightning....0 percent.
Min temperature.....46-56 F near 6000 feet
43-53 F near 8000 feet.
Max humidity........55-65%.
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....North 5 to 10 mph shifting to the east after
midnight.
Mixing Height.......7000 ft AGL until 2000, then 2000 ft AGL.
Transport Winds.....North 5 to 10 mph until 2400, then east.
Smoke dispersal.....Poor.
.SUNDAY...
Sky/weather.........Mostly sunny (10-20%). Near 8000 feet, isolated
showers and thunderstorms after 1200.
Chc of lightning....0 percent.
Max temperature.....77-87 F near 6000 feet
67-77 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....Northwest 5 to 10 mph.
Mixing Height.......3500 ft AGL until 1100, then 10000 ft AGL.
Transport Winds.....East 5 mph until 1200, then northwest.
Smoke dispersal.....Poor until 1200. Fair after 1500.
.FORECAST FOR DAY 3 THROUGH 7...
.LABOR DAY...Clear. Isolated showers and thunderstorms near
8000 feet. Lows 49-59. Highs 80-90. Winds less than 15 mph.
.TUESDAY...Clear. Isolated showers and thunderstorms near
8000 feet. Lows 51-61. Highs 81-91. Winds less than 15 mph.
.WEDNESDAY...Mostly clear. Isolated showers and thunderstorms.
Lows 51-61. Highs 81-91. Winds less than 15 mph.
.THURSDAY...Mostly clear. Isolated showers and thunderstorms.
Lows 51-61. Highs 80-90.
.FRIDAY...Mostly clear. Isolated showers and thunderstorms near
6000 feet and scattered showers and isolated thunderstorms near
8000 feet. Lows 51-61. Highs 80-90.
$$
COZ293-310200-
Gunnison Basin Forecast Area-
346 AM MDT Sat Aug 30 2025
.TODAY...
Sky/weather.........Partly cloudy (30-40%). Patchy fog until 1200.
Isolated showers and thunderstorms until 1200,
then scattered showers and thunderstorms.
Chc of lightning....20 percent.
Max temperature.....67-77 F.
Min humidity........26-36%.
20-foot winds.......Upslope/upvalley winds 4 to 8 mph. Localized
gusts up to 25 mph in the afternoon.
CWR.................30 percent.
15K Ft MSL Winds....Northwest 10 to 15 mph.
Mixing Height.......2500 ft AGL until 1000, then 9500 ft AGL.
Transport Winds.....Northwest 5 mph.
Smoke dispersal.....Poor until 0900. Good after 1200.
.TONIGHT...
Sky/weather.........Mostly clear (10-20%).
Chc of lightning....0 percent.
Min temperature.....42-52 F.
Max humidity........62-77%.
20-foot winds.......Upslope/upvalley 4 to 8 mph becoming
downslope/downvalley 3 to 6 mph by sunset.
CWR.................0 percent.
15K Ft MSL Winds....Northwest 5 to 10 mph.
Mixing Height.......6500 ft AGL until 2000, then 2000 ft AGL.
Transport Winds.....North 5 to 10 mph until 2400, then east.
Smoke dispersal.....Poor.
.SUNDAY...
Sky/weather.........Mostly sunny (10-20%). Isolated showers after
1200.
Chc of lightning....0 percent.
Max temperature.....70-80 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....Northwest 5 to 10 mph.
Mixing Height.......2500 ft AGL until 1000, then 10500 ft AGL.
Transport Winds.....East 5 mph until 1200, then northwest.
Smoke dispersal.....Poor until 0900. Good after 1200.
.FORECAST FOR DAY 3 THROUGH 7...
.LABOR DAY...Clear. Lows 40-50. Highs 72-82. Winds less than
15 mph.
.TUESDAY...Mostly clear. Isolated showers and thunderstorms. Lows
41-51. Highs 71-81. Winds less than 15 mph.
.WEDNESDAY...Mostly clear. Isolated showers and thunderstorms.
Lows 41-51. Highs 70-80. Winds less than 15 mph.
.THURSDAY...Mostly clear. Isolated showers and thunderstorms.
Lows 40-50. Highs 70-80.
.FRIDAY...Mostly clear. Isolated showers and thunderstorms. Lows
41-51. Highs 70-80.
$$
COZ207-310200-
Southwest Colorado Lower Forecast Area-
346 AM MDT Sat Aug 30 2025
.TODAY...
Sky/weather.........Mostly sunny (10-20%). Patchy fog until 1200.
Chc of lightning....0 percent.
Max temperature.....76-86 F.
Min humidity........16-26%.
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....Northwest 10 to 15 mph.
Mixing Height.......2000 ft AGL until 1000, then 10500 ft AGL.
Transport Winds.....North 5 to 10 mph.
Smoke dispersal.....Poor until 0900. Very good after 1200.
.TONIGHT...
Sky/weather.........Mostly clear (10-20%).
Chc of lightning....0 percent.
Min temperature.....49-59 F.
Max humidity........51-61%.
20-foot winds.......Upslope/upvalley 4 to 8 mph becoming
downslope/downvalley 3 to 6 mph by sunset.
CWR.................0 percent.
15K Ft MSL Winds....North 5 to 10 mph shifting to the southeast
after midnight.
Mixing Height.......9000 ft AGL until 2000, then 1500 ft AGL.
Transport Winds.....Northeast 5 to 10 mph.
Smoke dispersal.....Good until 2100, then poor.
.SUNDAY...
Sky/weather.........Sunny (0-10%).
Chc of lightning....0 percent.
Max temperature.....78-88 F.
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....South 5 mph shifting to the north 5 to 10 mph
in the afternoon.
Mixing Height.......2000 ft AGL until 1000, then 11000 ft AGL.
Transport Winds.....East 5 to 10 mph until 1200, then west.
Smoke dispersal.....Poor until 0900. Fair after 1200.
.FORECAST FOR DAY 3 THROUGH 7...
.LABOR DAY...Clear. Lows 50-60. Highs 82-92. Winds less than
15 mph.
.TUESDAY...Mostly clear. Lows 51-61. Highs 82-92. Winds less than
15 mph.
.WEDNESDAY...Partly cloudy. Isolated showers and thunderstorms.
Lows 52-62. Highs 82-92. Winds less than 15 mph.
.THURSDAY...Mostly clear. Isolated showers and thunderstorms.
Lows 51-61. Highs 81-91.
.FRIDAY...Mostly clear. Isolated showers and thunderstorms. Lows
51-61. Highs 80-90.
$$
COZ294-310200-
Southwest Colorado Upper West Forecast Area-
346 AM MDT Sat Aug 30 2025
.TODAY...
Sky/weather.........Mostly sunny (10-20%). Patchy fog until 1200.
Chc of lightning....0 percent.
Max temperature.....66-76 F.
Min humidity........22-32%.
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....North 10 to 15 mph.
Mixing Height.......1500 ft AGL until 1000, then 9500 ft AGL.
Transport Winds.....North 5 to 10 mph.
Smoke dispersal.....Poor until 0900. Good after 1200.
.TONIGHT...
Sky/weather.........Clear (0-10%).
Chc of lightning....0 percent.
Min temperature.....44-54 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....Northeast 5 to 10 mph shifting to the south 10
to 15 mph after midnight.
Mixing Height.......6500 ft AGL until 2000, then 1000 ft AGL.
Transport Winds.....Northeast 5 to 10 mph.
Smoke dispersal.....Fair until 2100, then poor.
.SUNDAY...
Sky/weather.........Mostly sunny (20-30%). Isolated showers and
thunderstorms after 1200.
Chc of lightning....10 percent.
Max temperature.....67-77 F.
Min humidity........17-27%.
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....South 5 to 10 mph.
Mixing Height.......1500 ft AGL until 0900, then 9000 ft AGL.
Transport Winds.....Southeast 5 mph until 1200, then west.
Smoke dispersal.....Poor until 0900. Fair after 1200.
.FORECAST FOR DAY 3 THROUGH 7...
.LABOR DAY...Mostly clear. Isolated showers and thunderstorms.
Lows 42-52. Highs 72-82. Winds less than 15 mph.
.TUESDAY...Mostly clear. Isolated showers and thunderstorms. Lows
43-53. Highs 72-82. Winds less than 15 mph.
.WEDNESDAY...Partly cloudy. Isolated showers and thunderstorms.
Lows 43-53. Highs 71-81. Winds less than 15 mph.
.THURSDAY...Mostly clear. Scattered showers and isolated
thunderstorms. Lows 42-52. Highs 71-81.
.FRIDAY...Partly cloudy. Scattered showers and isolated
thunderstorms. Lows 43-53. Highs 70-80.
$$
COZ295-310200-
Southwest Colorado Upper East Forecast Area-
346 AM MDT Sat Aug 30 2025
.TODAY...
Sky/weather.........Mostly sunny (20-30%) until 1200, then partly
cloudy (30-40%). Patchy fog until 1200.
Isolated showers and thunderstorms.
Chc of lightning....20 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.................30 percent.
15K Ft MSL Winds....West 15 to 20 mph becoming northwest 5 to 10
mph in the afternoon.
Mixing Height.......10500 ft AGL.
Transport Winds.....West 5 mph.
Smoke dispersal.....Poor until 0900. Good after 1200.
.TONIGHT...
Sky/weather.........Partly cloudy (40-50%). Isolated showers and
thunderstorms until 2400.
Chc of lightning....10 percent.
Min temperature.....44-54 F.
Max humidity........64-79%.
20-foot winds.......Downslope/downvalley winds 3 to 6 mph.
Localized gusts up to 20 mph in the evening.
CWR.................10 percent.
15K Ft MSL Winds....Northeast 5 to 10 mph shifting to the south
after midnight.
Mixing Height.......7000 ft AGL until 2000, then 2000 ft AGL.
Transport Winds.....Northeast 5 to 10 mph.
Smoke dispersal.....Poor.
.SUNDAY...
Sky/weather.........Partly cloudy (30-40%). Scattered showers and
thunderstorms after 1200.
Chc of lightning....30 percent.
Max temperature.....71-81 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....West 5 to 10 mph.
Mixing Height.......2000 ft AGL until 0900, then 8500 ft AGL.
Transport Winds.....Southeast 5 mph until 1200, then west.
Smoke dispersal.....Poor until 0900. Fair after 1200.
.FORECAST FOR DAY 3 THROUGH 7...
.LABOR DAY...Partly cloudy. Patchy fog. Scattered showers and
thunderstorms. Lows 43-53. Highs 72-82. Winds less than 15 mph.
.TUESDAY...Partly cloudy. Scattered showers and thunderstorms.
Lows 43-53. Highs 72-82. Winds less than 15 mph.
.WEDNESDAY...Partly cloudy. Scattered showers and thunderstorms.
Lows 42-52. Highs 70-80. Winds less than 15 mph.
.THURSDAY...Partly cloudy. Scattered showers and thunderstorms.
Lows 41-51. Highs 70-80.
.FRIDAY...Partly cloudy. Scattered showers and thunderstorms.
Lows 42-52. Highs 70-80.
$$
UTZ485-310200-
Eastern Ashley National Forest-
346 AM MDT Sat Aug 30 2025
.TODAY...
Sky/weather.........Mostly sunny (10-20%).
Chc of lightning....0 percent.
Max temperature.....66-76 F near 7000 feet
55-65 F near 10000 feet.
24 hr trend......1 degree warmer.
Min humidity........20-30%.
24 hr trend......24% drier.
20-foot winds.......Downslope/downvalley 3 to 6 mph becoming
upslope/upvalley 4 to 8 mph by 1100.
CWR.................0 percent.
Mixing Height.......2000 ft AGL until 1000, then 10500 ft AGL.
Transport Winds.....Northwest 5 to 10 mph.
Clearing Index......Less than 500 until 1000. 1050 after 1200.
.TONIGHT...
Sky/weather.........Mostly clear (10-20%).
Chc of lightning....0 percent.
Min temperature.....46-56 F near 7000 feet
33-43 F near 10000 feet.
24 hr trend......1 degree cooler.
Max humidity........50-60% near 7000 feet
57-72% near 10000 feet.
24 hr trend......18% drier.
20-foot winds.......Upslope/upvalley 4 to 8 mph becoming
downslope/downvalley 3 to 6 mph by sunset.
CWR.................0 percent.
Mixing Height.......10500 ft AGL until 1900. 1500 ft AGL after
2000.
Transport Winds.....Northwest 5 to 10 mph.
Clearing Index......1050 until 1900. Less than 500 after 2000.
.SUNDAY...
Sky/weather.........Mostly sunny (10-20%).
Chc of lightning....0 percent.
Max temperature.....68-78 F near 7000 feet
57-67 F near 10000 feet.
24 hr trend......3 degrees warmer.
Min humidity........15-25% near 7000 feet
22-32% near 10000 feet.
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.......2000 ft AGL until 1000, then 8500 ft AGL.
Transport Winds.....North 5 mph.
Clearing Index......550.
.FORECAST FOR DAY 3 THROUGH 7...
.LABOR DAY...Clear. Lows 47-57. Highs 71-81. Winds less than
15 mph.
.TUESDAY...Mostly clear. Lows 48-58. Highs 72-82. Winds less than
15 mph.
.WEDNESDAY...Mostly clear. Isolated showers near 7000 feet and
isolated showers and thunderstorms near 10000 feet. Lows 48-58.
Highs 71-81. Winds less than 15 mph.
.THURSDAY...Mostly clear. Isolated showers near 7000 feet and
isolated showers and thunderstorms near 10000 feet. Lows 48-58.
Highs 71-81.
.FRIDAY...Partly cloudy. Isolated showers and thunderstorms .
Lows 47-57. Highs 70-80.
$$
UTZ486-310200-
Eastern Uinta Basin-
346 AM MDT Sat Aug 30 2025
.TODAY...
Sky/weather.........Mostly sunny (10-20%).
Chc of lightning....0 percent.
Max temperature.....70-80 F near 5000 feet
60-70 F near 8000 feet.
24 hr trend......6 degrees warmer.
Min humidity........19-29%.
24 hr trend......17% drier.
20-foot winds.......Upslope/upvalley winds 4 to 8 mph. Localized
gusts up to 20 mph in the afternoon.
CWR.................0 percent.
Mixing Height.......3000 ft AGL until 1100, then 11500 ft AGL.
Transport Winds.....North 5 mph.
Clearing Index......Less than 500 until 1100. 1050 after 1200.
.TONIGHT...
Sky/weather.........Mostly clear (10-20%).
Chc of lightning....0 percent.
Min temperature.....48-58 F.
24 hr trend......4 degrees warmer.
Max humidity........43-53%.
24 hr trend......39% drier.
20-foot winds.......Upslope/upvalley 4 to 8 mph becoming
downslope/downvalley 3 to 6 mph by sunset.
CWR.................0 percent.
Mixing Height.......10500 ft AGL until 1900. 1500 ft AGL after
2000.
Transport Winds.....North 5 mph.
Clearing Index......1050 until 1900. Less than 500 after 2000.
.SUNDAY...
Sky/weather.........Sunny (0-10%).
Chc of lightning....0 percent.
Max temperature.....73-83 F near 5000 feet
63-73 F near 8000 feet.
24 hr trend......3 degrees warmer.
Min humidity........13-23%.
24 hr trend......8% drier.
20-foot winds.......Downslope/downvalley 3 to 6 mph becoming
upslope/upvalley 4 to 8 mph by 1100.
CWR.................0 percent.
Mixing Height.......2000 ft AGL until 1000, then 9500 ft AGL.
Transport Winds.....Northeast 5 mph.
Clearing Index......600.
.FORECAST FOR DAY 3 THROUGH 7...
.LABOR DAY...Clear. Lows 51-61. Highs 76-86. Winds less than
15 mph.
.TUESDAY...Mostly clear. Lows 53-63. Highs 77-87. Winds less than
15 mph.
.WEDNESDAY...Mostly clear. Lows 53-63. Highs 77-87. Winds less
than 15 mph.
.THURSDAY...Mostly clear. Lows 52-62. Highs 77-87.
.FRIDAY...Mostly clear. Isolated showers and thunderstorms . Lows
53-63. Highs 76-86.
$$
UTZ487-310200-
Book Cliffs-
346 AM MDT Sat Aug 30 2025
.TODAY...
Sky/weather.........Mostly sunny (10-20%). Near 8000 feet,
isolated showers after 1200.
Chc of lightning....0 percent.
Max temperature.....70-80 F near 5000 feet
62-72 F near 8000 feet.
24 hr trend......4 degrees warmer.
Min humidity........18-28%.
24 hr trend......44% 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 9500 ft AGL.
Transport Winds.....West 5 mph until 1200, then north.
Clearing Index......Less than 500 until 1100. 1000 after 1300.
.TONIGHT...
Sky/weather.........Clear (0-10%).
Chc of lightning....0 percent.
Min temperature.....50-60 F.
24 hr trend......3 degrees warmer.
Max humidity........47-57%.
24 hr trend......43% drier.
20-foot winds.......Upslope/upvalley 4 to 8 mph becoming
downslope/downvalley 3 to 6 mph by sunset.
CWR.................0 percent.
Mixing Height.......8000 ft AGL until 2000, then 1000 ft AGL.
Transport Winds.....Northeast 5 mph until 2400, then southwest.
Clearing Index......1050 until 1900. Less than 500 after 2000.
.SUNDAY...
Sky/weather.........Mostly sunny (10-20%).
Chc of lightning....0 percent.
Max temperature.....71-81 F near 5000 feet
66-76 F near 8000 feet.
24 hr trend......4 degrees warmer.
Min humidity........12-17%.
24 hr trend......9% drier.
20-foot winds.......Downslope/downvalley 3 to 6 mph becoming
upslope/upvalley 4 to 8 mph by 1100.
CWR.................0 percent.
Mixing Height.......1500 ft AGL until 1000. 8500 ft AGL after 1100.
Transport Winds.....North 5 mph.
Clearing Index......Less than 500 until 1100, then 750.
.FORECAST FOR DAY 3 THROUGH 7...
.LABOR DAY...Clear. Lows 50-60. Highs 78-88. Winds less than
15 mph.
.TUESDAY...Clear. Lows 52-62. Highs 79-89. Winds less than
15 mph.
.WEDNESDAY...Mostly clear. Isolated showers and thunderstorms
near 8000 feet. Lows 52-62. Highs 79-89. Winds less than 15 mph.
.THURSDAY...Mostly clear. Isolated showers and thunderstorms .
Lows 52-62. Highs 79-89.
.FRIDAY...Mostly clear. Isolated showers and thunderstorms. Lows
52-62. Highs 78-88.
$$
UTZ490-310200-
Colorado River Basin-
346 AM MDT Sat Aug 30 2025
.TODAY...
Sky/weather.........Sunny (0-10%). Near 7000 feet, isolated
showers and thunderstorms after 1200.
Chc of lightning....0 percent.
Max temperature.....79-89 F near 5000 feet
67-77 F near 7000 feet.
24 hr trend......5 degrees warmer.
Min humidity........15-25%.
24 hr trend......15% 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.......3500 ft AGL until 1200, then 10500 ft AGL.
Transport Winds.....North 5 mph.
Clearing Index......Less than 500 until 1300, then 1000.
.TONIGHT...
Sky/weather.........Clear (0-10%).
Chc of lightning....0 percent.
Min temperature.....54-64 F.
24 hr trend......3 degrees warmer.
Max humidity........35-45%.
24 hr trend......33% drier.
20-foot winds.......Upslope/upvalley 4 to 8 mph becoming
downslope/downvalley 3 to 6 mph by sunset.
CWR.................0 percent.
Mixing Height.......9000 ft AGL until 2000, then 1500 ft AGL.
Transport Winds.....Northeast 5 to 10 mph.
Clearing Index......900 until 2000, then less than 500.
.SUNDAY...
Sky/weather.........Sunny (0-10%).
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........9-14%.
24 hr trend......11% 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.......1500 ft AGL until 1000. 10500 ft AGL after
1100.
Transport Winds.....Northeast 5 to 10 mph.
Clearing Index......Less than 500 until 1000. 850 after 1200.
.FORECAST FOR DAY 3 THROUGH 7...
.LABOR DAY...Clear. Lows 56-66. Highs 84-94. Winds less than
15 mph.
.TUESDAY...Clear. Lows 57-67. Highs 85-95. Winds less than
15 mph.
.WEDNESDAY...Mostly clear. Lows 59-69. Highs 85-95. Winds less
than 15 mph.
.THURSDAY...Mostly clear. Isolated showers and thunderstorms .
Lows 58-68. Highs 84-94.
.FRIDAY...Mostly clear. Isolated showers and thunderstorms . Lows
58-68. Highs 83-93.
$$
UTZ491-310200-
Southeast Utah-
346 AM MDT Sat Aug 30 2025
.TODAY...
Sky/weather.........Sunny (0-10%).
Chc of lightning....0 percent.
Max temperature.....80-90 F near 5000 feet
64-74 F near 8000 feet.
24 hr trend......1 degree warmer.
Min humidity........17-27% near 5000 feet
23-33% near 8000 feet.
24 hr trend......18% 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.......1500 ft AGL until 1000. 11000 ft AGL after
1100.
Transport Winds.....North 5 mph.
Clearing Index......Less than 500 until 1100. 1050 after 1300.
.TONIGHT...
Sky/weather.........Clear (0-10%).
Chc of lightning....0 percent.
Min temperature.....56-66 F near 5000 feet
47-57 F near 8000 feet.
24 hr trend......Unchanged.
Max humidity........37-47%.
24 hr trend......29% 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.......10000 ft AGL until 2000, then 1000 ft AGL.
Transport Winds.....North 5 to 10 mph.
Clearing Index......1000 until 2000, then less than 500.
.SUNDAY...
Sky/weather.........Sunny (0-10%).
Chc of lightning....0 percent.
Max temperature.....81-91 F near 5000 feet
69-79 F near 8000 feet.
24 hr trend......3 degrees warmer.
Min humidity........12-17%.
24 hr trend......3% drier.
20-foot winds.......Downslope/downvalley 3 to 6 mph becoming
upslope/upvalley 4 to 8 mph by 1100.
CWR.................0 percent.
Mixing Height.......1500 ft AGL until 1000, then 9500 ft AGL.
Transport Winds.....Northeast 5 mph.
Clearing Index......700.
.FORECAST FOR DAY 3 THROUGH 7...
.LABOR DAY...Clear. Lows 56-66. Highs 84-94. Winds less than
15 mph.
.TUESDAY...Mostly clear. Lows 57-67. Highs 85-95. Winds less than
15 mph.
.WEDNESDAY...Partly cloudy. Isolated showers and thunderstorms .
Lows 59-69. Highs 84-94. Winds less than 15 mph.
.THURSDAY...Mostly clear. Isolated showers and thunderstorms .
Lows 58-68. Highs 83-93.
.FRIDAY...Mostly clear. Isolated showers and thunderstorms. Lows
57-67. Highs 82-92.
$$