Routine Fire Wx Fcst (With/Without 6-10 Day Outlook)
Issued by NWS Grand Junction, CO
Issued by NWS Grand Junction, CO
102
FNUS55 KGJT 180929
FWFGJT
Fire Weather Planning Forecast for Wrn Colorado and Ern Utah
National Weather Service Grand Junction CO
329 AM MDT Mon Aug 18 2025
.DISCUSSION...Hot and dry conditions remain in place for the
first half of the work week. Lighter winds will keep critical fire
weather concerns at bay, but with very dry fuels, very low
afternoon RH, and warming temperatures elevated fire weather
conditions will be one of our main concerns this week. As moisture
builds back Wednesday and Thursday, the potential for dry
lightning increases.
...GUSTY ERRATIC WINDS CAN BE EXPECTED NEAR ANY SHOWERS
OR THUNDERSTORMS...
...THE SMOKE DATA IS CALCULATED FROM AN AVERAGE AT 6000 FEET MSL...
COZ200-190130-
Little Snake Forecast Area-
329 AM MDT Mon Aug 18 2025
.TODAY...
Sky/weather.........Sunny (0-10%).
Chc of lightning....0 percent.
Max temperature.....83-93 F near 6000 feet
72-82 F near 8000 feet.
Min humidity........4-9%.
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 15 to 20 mph decreasing to 10 to 15
mph in the afternoon.
Mixing Height.......3000 ft AGL until 1100, then 14500 ft AGL.
Transport Winds.....East 5 mph until 1200, then southwest.
Smoke dispersal.....Poor until 0900. Very good after 1200.
.TONIGHT...
Sky/weather.........Clear (0-10%).
Chc of lightning....0 percent.
Min temperature.....54-64 F.
Max humidity........24-34%.
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 10 to 15 mph.
Mixing Height.......11000 ft AGL until 2000, then 1500 ft AGL.
Transport Winds.....West 5 mph until 2400, then north.
Smoke dispersal.....Fair until 2100, then poor.
.TUESDAY...
Sky/weather.........Mostly sunny (10-20%).
Chc of lightning....0 percent.
Max temperature.....86-96 F near 6000 feet
76-86 F near 8000 feet.
Min humidity........3-8%.
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 5 mph.
Mixing Height.......3000 ft AGL until 1100, then 13500 ft AGL.
Transport Winds.....Northeast 5 mph until 1200, then west.
Smoke dispersal.....Poor until 1200, then fair.
.FORECAST FOR DAY 3 THROUGH 7...
.WEDNESDAY...Clear. Lows 50-60. Highs 90-100. Winds less than
15 mph.
.THURSDAY...Mostly clear. Isolated showers and thunderstorms.
Lows 54-64. Highs 89-99. Winds less than 15 mph.
.FRIDAY...Partly cloudy. Isolated showers and thunderstorms. Lows
55-65. Highs 86-96. Winds less than 15 mph.
.SATURDAY...Partly cloudy. Isolated showers and thunderstorms.
Lows 55-65. Highs 85-95.
.SUNDAY...Partly cloudy. Scattered showers and thunderstorms.
Lows 54-64. Highs 81-91.
$$
COZ201-190130-
Routt Forecast Area-
329 AM MDT Mon Aug 18 2025
.TODAY...
Sky/weather.........Mostly sunny (20-30%).
Chc of lightning....0 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....Southwest 15 to 20 mph decreasing to 10 to 15
mph in the afternoon.
Mixing Height.......1500 ft AGL until 0900, then 14000 ft AGL.
Transport Winds.....Southwest 5 mph.
Smoke dispersal.....Poor until 0900. Very good after 1200.
.TONIGHT...
Sky/weather.........Mostly clear (20-30%).
Chc of lightning....0 percent.
Min temperature.....48-58 F.
Max humidity........33-43%.
20-foot winds.......Upslope/upvalley 4 to 8 mph becoming
downslope/downvalley 3 to 6 mph by sunset.
CWR.................0 percent.
15K Ft MSL Winds....West 5 to 10 mph.
Mixing Height.......12000 ft AGL until 1900. 1500 ft AGL after
2000.
Transport Winds.....Northwest 5 mph until 2400, then southeast.
Smoke dispersal.....Fair until 2100, then poor.
.TUESDAY...
Sky/weather.........Mostly sunny (10-20%).
Chc of lightning....0 percent.
Max temperature.....76-86 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 5 mph.
Mixing Height.......1500 ft AGL until 0900. 13000 ft AGL after
1000.
Transport Winds.....Southeast 5 mph until 1200, then northwest.
Smoke dispersal.....Poor until 0900. Good after 1200.
.FORECAST FOR DAY 3 THROUGH 7...
.WEDNESDAY...Clear. Lows 48-58. Highs 80-90. Winds less than
15 mph.
.THURSDAY...Mostly clear. Isolated showers and thunderstorms.
Lows 50-60. Highs 79-89. Winds less than 15 mph.
.FRIDAY...Partly cloudy. Scattered showers and thunderstorms.
Lows 50-60. Highs 77-87. Winds less than 15 mph.
.SATURDAY...Partly cloudy. Scattered showers and thunderstorms.
Lows 49-59. Highs 75-85.
.SUNDAY...Mostly cloudy. Scattered showers and thunderstorms.
Lows 48-58. Highs 70-80.
$$
COZ202-190130-
White River Forecast Area-
329 AM MDT Mon Aug 18 2025
.TODAY...
Sky/weather.........Sunny (0-10%).
Chc of lightning....0 percent.
Max temperature.....83-93 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....Southwest 15 to 20 mph.
Mixing Height.......1500 ft AGL until 1000. 14500 ft AGL after
1100.
Transport Winds.....Southeast 5 mph until 1200, then southwest.
Smoke dispersal.....Poor until 0900. Very good after 1200.
.TONIGHT...
Sky/weather.........Clear (0-10%).
Chc of lightning....0 percent.
Min temperature.....51-61 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....Southwest 10 to 15 mph becoming west 5 to 10
mph after midnight.
Mixing Height.......11500 ft AGL until 2000, then 1000 ft AGL.
Transport Winds.....Northwest 5 mph until 2400, then southeast.
Smoke dispersal.....Fair until 2100, then poor.
.TUESDAY...
Sky/weather.........Mostly sunny (10-20%).
Chc of lightning....0 percent.
Max temperature.....83-93 F near 6000 feet
76-86 F near 8000 feet.
Min humidity........4-9%.
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 5 mph.
Mixing Height.......1500 ft AGL until 1000. 13000 ft AGL after
1200.
Transport Winds.....East 5 mph until 1200, then northwest.
Smoke dispersal.....Poor until 1200. Fair after 1500.
.FORECAST FOR DAY 3 THROUGH 7...
.WEDNESDAY...Clear. Lows 51-61. Highs 90-100. Winds less than
15 mph.
.THURSDAY...Mostly clear. Isolated showers and thunderstorms.
Lows 55-65. Highs 90-100. Winds less than 15 mph.
.FRIDAY...Partly cloudy. Scattered showers and thunderstorms.
Lows 55-65. Highs 87-97. Winds less than 15 mph.
.SATURDAY...Partly cloudy. Scattered showers and thunderstorms.
Lows 55-65. Highs 86-96.
.SUNDAY...Mostly cloudy. Scattered showers and thunderstorms.
Lows 54-64. Highs 81-91.
$$
COZ203-190130-
Lower Colorado River-
329 AM MDT Mon Aug 18 2025
.TODAY...
Sky/weather.........Sunny (0-10%).
Chc of lightning....0 percent.
Max temperature.....84-94 F near 6000 feet
76-86 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....Southwest 15 to 20 mph decreasing to 10 to 15
mph in the afternoon.
Mixing Height.......2500 ft AGL until 1000. 14000 ft AGL after
1200.
Transport Winds.....Southeast 5 mph until 1200, then west.
Smoke dispersal.....Poor until 0900. Very good after 1200.
.TONIGHT...
Sky/weather.........Clear (0-10%).
Chc of lightning....0 percent.
Min temperature.....55-65 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....Southwest 5 to 10 mph.
Mixing Height.......12000 ft AGL until 1900. 2000 ft AGL after
2000.
Transport Winds.....West 5 to 10 mph until 2400, then east.
Smoke dispersal.....Fair until 2100, then poor.
.TUESDAY...
Sky/weather.........Mostly sunny (10-20%).
Chc of lightning....0 percent.
Max temperature.....87-97 F near 6000 feet
79-89 F near 8000 feet.
Min humidity........4-9%.
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 5 mph shifting to the northwest 5 to 10
mph in the afternoon.
Mixing Height.......3500 ft AGL until 1100, then 13500 ft AGL.
Transport Winds.....East 5 mph until 1200, then northwest.
Smoke dispersal.....Poor until 1200, then fair.
.FORECAST FOR DAY 3 THROUGH 7...
.WEDNESDAY...Clear. Isolated showers and thunderstorms. Lows
58-68. Highs 90-100. Winds less than 15 mph.
.THURSDAY...Mostly clear. Isolated showers and thunderstorms.
Lows 60-70. Highs 91-101. Winds less than 15 mph.
.FRIDAY...Partly cloudy. Scattered showers and thunderstorms.
Lows 61-71. Highs 89-99. Winds less than 15 mph.
.SATURDAY...Partly cloudy. Scattered showers and thunderstorms.
Lows 60-70. Highs 86-96.
.SUNDAY...Mostly cloudy. Scattered showers and thunderstorms.
Lows 59-69. Highs 81-91.
$$
COZ205-190130-
Colorado River Headwaters-
329 AM MDT Mon Aug 18 2025
.TODAY...
Sky/weather.........Mostly sunny (20-30%).
Chc of lightning....0 percent.
Max temperature.....78-88 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....Southwest 10 to 15 mph.
Mixing Height.......3000 ft AGL until 1000, then 14000 ft AGL.
Transport Winds.....South 5 mph until 1200, then west.
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........40-50%.
20-foot winds.......Upslope/upvalley 4 to 8 mph becoming
downslope/downvalley 3 to 6 mph by sunset.
CWR.................0 percent.
15K Ft MSL Winds....West 5 to 10 mph.
Mixing Height.......12000 ft AGL until 1900. 2000 ft AGL after
2000.
Transport Winds.....West 5 mph until 2400, then southeast.
Smoke dispersal.....Fair until 2100, then poor.
.TUESDAY...
Sky/weather.........Mostly sunny (10-20%).
Chc of lightning....0 percent.
Max temperature.....79-89 F.
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 5 to 10 mph.
Mixing Height.......2500 ft AGL until 1000. 12500 ft AGL after
1200.
Transport Winds.....Southeast 5 mph until 1200, then northwest.
Smoke dispersal.....Poor until 0900. Good after 1200.
.FORECAST FOR DAY 3 THROUGH 7...
.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 50-60. Highs 82-92. Winds less than 15 mph.
.FRIDAY...Partly cloudy. Scattered showers and thunderstorms.
Lows 51-61. Highs 79-89. Winds less than 15 mph.
.SATURDAY...Partly cloudy. Scattered showers and thunderstorms.
Lows 48-58. Highs 76-86.
.SUNDAY...Mostly cloudy. Scattered showers and thunderstorms.
Lows 48-58. Highs 71-81.
$$
COZ290-190130-
Paradox Valley Forecast Area-
329 AM MDT Mon Aug 18 2025
.TODAY...
Sky/weather.........Sunny (0-10%).
Chc of lightning....0 percent.
Max temperature.....84-94 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....Southwest 20 to 25 mph decreasing to 10 to 15
mph in the afternoon.
Mixing Height.......2000 ft AGL until 1000, then 14500 ft AGL.
Transport Winds.....Southeast 5 mph until 1200, then west.
Smoke dispersal.....Poor until 0900. Good after 1200.
.TONIGHT...
Sky/weather.........Clear (0-10%).
Chc of lightning....0 percent.
Min temperature.....53-63 F near 6000 feet
49-59 F near 8000 feet.
Max humidity........19-29% near 6000 feet
31-41% 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 5 to 10 mph.
Mixing Height.......11000 ft AGL until 2000, then 1500 ft AGL.
Transport Winds.....North 5 to 10 mph until 2400, then east.
Smoke dispersal.....Fair until 2100, then poor.
.TUESDAY...
Sky/weather.........Mostly sunny (10-20%). Near 8000 feet, isolated
showers and thunderstorms after 1200.
Chc of lightning....0 percent.
Max temperature.....87-97 F near 6000 feet
76-86 F near 8000 feet.
Min humidity........3-8%.
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.......2000 ft AGL until 1000. 13500 ft AGL after
1200.
Transport Winds.....Southeast 5 mph until 1200, then northwest.
Smoke dispersal.....Poor until 1200. Good after 1500.
.FORECAST FOR DAY 3 THROUGH 7...
.WEDNESDAY...Mostly clear. Isolated showers and thunderstorms
near 6000 feet and scattered showers and thunderstorms near
8000 feet. Lows 58-68. Highs 90-100. Winds less than 15 mph.
.THURSDAY...Mostly clear. Isolated showers and thunderstorms near
6000 feet and scattered showers and thunderstorms near 8000 feet.
Lows 61-71. Highs 92-102. Winds less than 15 mph.
.FRIDAY...Partly cloudy. Scattered showers and thunderstorms.
Lows 62-72. Highs 91-101. Winds less than 15 mph.
.SATURDAY...Partly cloudy. Scattered showers and thunderstorms
near 6000 feet and numerous showers and scattered thunderstorms
near 8000 feet. Lows 61-71. Highs 87-97.
.SUNDAY...Mostly cloudy. Scattered showers and thunderstorms.
Lows 60-70. Highs 81-91.
$$
COZ291-190130-
Northern San Juan Forecast Area-
329 AM MDT Mon Aug 18 2025
.TODAY...
Sky/weather.........Mostly sunny (10-20%).
Chc of lightning....0 percent.
Max temperature.....72-82 F.
Min humidity........10-15%.
20-foot winds.......Downslope/downvalley 3 to 6 mph becoming
upslope/upvalley 4 to 8 mph by 1100.
CWR.................0 percent.
15K Ft MSL Winds....Southwest 10 to 15 mph.
Mixing Height.......2000 ft AGL until 0900. 13500 ft AGL after
1000.
Transport Winds.....South 5 mph until 1200, then west.
Smoke dispersal.....Poor until 0900. Very good after 1200.
.TONIGHT...
Sky/weather.........Mostly clear (10-20%).
Chc of lightning....0 percent.
Min temperature.....47-57 F.
Max humidity........35-45%.
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 5 to 10 mph.
Mixing Height.......12500 ft AGL until 1900. 2000 ft AGL after
2000.
Transport Winds.....North 5 mph until 2400, then southeast.
Smoke dispersal.....Fair until 2100, then poor.
.TUESDAY...
Sky/weather.........Mostly sunny (10-20%). Isolated showers and
thunderstorms after 1200.
Chc of lightning....10 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....Southwest 5 mph.
Mixing Height.......2000 ft AGL until 0900. 13000 ft AGL after
1000.
Transport Winds.....South 5 mph until 1200, then northwest.
Smoke dispersal.....Poor until 0900. Good after 1200.
.FORECAST FOR DAY 3 THROUGH 7...
.WEDNESDAY...Mostly clear. Scattered showers and thunderstorms.
Lows 49-59. Highs 80-90. Winds less than 15 mph.
.THURSDAY...Mostly clear. Scattered showers and thunderstorms.
Lows 51-61. Highs 81-91. Winds less than 15 mph.
.FRIDAY...Partly cloudy. Numerous showers and scattered
thunderstorms. Lows 52-62. Highs 79-89. Winds less than 15 mph.
.SATURDAY...Mostly cloudy. Numerous showers and scattered
thunderstorms. Lows 50-60. Highs 75-85.
.SUNDAY...Mostly cloudy. Numerous thunderstorms and scattered
showers. Lows 48-58. Highs 71-81.
$$
COZ292-190130-
North Fork Forecast Area-
329 AM MDT Mon Aug 18 2025
.TODAY...
Sky/weather.........Sunny (0-10%).
Chc of lightning....0 percent.
Max temperature.....85-95 F near 6000 feet
76-86 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....Southwest 15 to 20 mph decreasing to 10 to 15
mph in the afternoon.
Mixing Height.......2500 ft AGL until 1000. 14500 ft AGL after
1200.
Transport Winds.....Southeast 5 mph until 1200, then west.
Smoke dispersal.....Poor until 0900. Very good after 1200.
.TONIGHT...
Sky/weather.........Clear (0-10%).
Chc of lightning....0 percent.
Min temperature.....51-61 F near 6000 feet
50-60 F near 8000 feet.
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....Southwest 5 to 10 mph.
Mixing Height.......12000 ft AGL until 1900. 2000 ft AGL after
2000.
Transport Winds.....Northwest 5 to 10 mph until 2400, then
southeast.
Smoke dispersal.....Fair until 2100, then poor.
.TUESDAY...
Sky/weather.........Mostly sunny (10-20%). Near 8000 feet, isolated
showers and thunderstorms after 1200.
Chc of lightning....0 percent.
Max temperature.....87-97 F near 6000 feet
78-88 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 5 to 10 mph.
Mixing Height.......2500 ft AGL until 1000. 13000 ft AGL after
1200.
Transport Winds.....East 5 mph until 1200, then northwest.
Smoke dispersal.....Poor until 1200. Good after 1500.
.FORECAST FOR DAY 3 THROUGH 7...
.WEDNESDAY...Clear. Isolated showers and thunderstorms. Lows
56-66. Highs 90-100. Winds less than 15 mph.
.THURSDAY...Mostly clear. Isolated showers and thunderstorms.
Lows 58-68. Highs 92-102. Winds less than 15 mph.
.FRIDAY...Partly cloudy. Scattered showers and thunderstorms.
Lows 60-70. Highs 90-100. Winds less than 15 mph.
.SATURDAY...Partly cloudy. Scattered showers and thunderstorms.
Lows 58-68. Highs 86-96.
.SUNDAY...Mostly cloudy. Scattered showers and thunderstorms.
Lows 57-67. Highs 81-91.
$$
COZ293-190130-
Gunnison Basin Forecast Area-
329 AM MDT Mon Aug 18 2025
.TODAY...
Sky/weather.........Mostly sunny (20-30%).
Chc of lightning....0 percent.
Max temperature.....78-88 F.
Min humidity........10-15%.
20-foot winds.......Downslope/downvalley 3 to 6 mph becoming
upslope/upvalley 4 to 8 mph by 1100.
CWR.................0 percent.
15K Ft MSL Winds....Southwest 10 to 15 mph.
Mixing Height.......3000 ft AGL until 1000, then 13500 ft AGL.
Transport Winds.....Southwest 5 mph.
Smoke dispersal.....Poor until 0900. Very good after 1200.
.TONIGHT...
Sky/weather.........Mostly clear (20-30%).
Chc of lightning....0 percent.
Min temperature.....49-59 F.
Max humidity........47-57%.
20-foot winds.......Upslope/upvalley 4 to 8 mph becoming
downslope/downvalley 3 to 6 mph by sunset.
CWR.................0 percent.
15K Ft MSL Winds....West 5 to 10 mph.
Mixing Height.......10000 ft AGL until 2000, then 2000 ft AGL.
Transport Winds.....Northwest 5 mph until 2400, then east.
Smoke dispersal.....Fair until 2100, then poor.
.TUESDAY...
Sky/weather.........Mostly sunny (10-20%). Isolated showers and
thunderstorms after 1200.
Chc of lightning....10 percent.
Max temperature.....80-90 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 5 to 10 mph.
Mixing Height.......2500 ft AGL until 1000, then 12500 ft AGL.
Transport Winds.....East 5 mph until 1200, then west.
Smoke dispersal.....Poor until 0900. Good after 1200.
.FORECAST FOR DAY 3 THROUGH 7...
.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 48-58. Highs 82-92. Winds less than 15 mph.
.FRIDAY...Partly cloudy. Scattered showers and thunderstorms.
Lows 50-60. Highs 80-90. Winds less than 15 mph.
.SATURDAY...Partly cloudy. Scattered showers and thunderstorms.
Lows 48-58. Highs 76-86.
.SUNDAY...Mostly cloudy. Numerous showers and scattered
thunderstorms. Lows 47-57. Highs 71-81.
$$
COZ207-190130-
Southwest Colorado Lower Forecast Area-
329 AM MDT Mon Aug 18 2025
.TODAY...
Sky/weather.........Sunny (0-10%).
Chc of lightning....0 percent.
Max temperature.....86-96 F.
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....Southwest 15 to 20 mph decreasing to 5 to 10
mph in the afternoon.
Mixing Height.......2000 ft AGL until 1000. 14500 ft AGL after
1100.
Transport Winds.....Northeast 5 mph until 1200, then west.
Smoke dispersal.....Poor until 0900. Good after 1200.
.TONIGHT...
Sky/weather.........Clear (0-10%).
Chc of lightning....0 percent.
Min temperature.....55-65 F.
Max humidity........35-45%.
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 5 to 10 mph.
Mixing Height.......11500 ft AGL until 2000, then 1500 ft AGL.
Transport Winds.....Northwest 5 to 10 mph until 2400, then east.
Smoke dispersal.....Fair until 2100, then poor.
.TUESDAY...
Sky/weather.........Mostly sunny (10-20%).
Chc of lightning....0 percent.
Max temperature.....89-99 F.
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....South 5 to 10 mph shifting to the east 5 mph in
the afternoon.
Mixing Height.......2000 ft AGL until 1000. 13500 ft AGL after
1200.
Transport Winds.....East 5 to 10 mph until 1200, then west.
Smoke dispersal.....Poor until 0900. Good after 1500.
.FORECAST FOR DAY 3 THROUGH 7...
.WEDNESDAY...Mostly clear. Isolated showers and thunderstorms.
Lows 57-67. Highs 91-101. Winds less than 15 mph.
.THURSDAY...Mostly clear. Isolated showers and thunderstorms.
Lows 58-68. Highs 92-102. Winds less than 15 mph.
.FRIDAY...Partly cloudy. Isolated showers and thunderstorms. Lows
58-68. Highs 91-101. Winds less than 15 mph.
.SATURDAY...Partly cloudy. Scattered showers and thunderstorms.
Lows 58-68. Highs 87-97.
.SUNDAY...Mostly cloudy. Scattered showers and thunderstorms.
Lows 56-66. Highs 83-93.
$$
COZ294-190130-
Southwest Colorado Upper West Forecast Area-
329 AM MDT Mon Aug 18 2025
.TODAY...
Sky/weather.........Sunny (0-10%).
Chc of lightning....0 percent.
Max temperature.....76-86 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....Southwest 15 to 20 mph decreasing to 5 to 10
mph in the afternoon.
Mixing Height.......1000 ft AGL until 0900. 13000 ft AGL after
1000.
Transport Winds.....Southeast 5 to 10 mph until 1200, then
southwest.
Smoke dispersal.....Poor until 0900. Good after 1200.
.TONIGHT...
Sky/weather.........Mostly clear (10-20%).
Chc of lightning....0 percent.
Min temperature.....51-61 F.
Max humidity........38-48%.
20-foot winds.......Upslope/upvalley 4 to 8 mph becoming
downslope/downvalley 3 to 6 mph by sunset.
CWR.................0 percent.
15K Ft MSL Winds....West 5 to 10 mph shifting to the south after
midnight.
Mixing Height.......10000 ft AGL until 2000, then 1000 ft AGL.
Transport Winds.....North 5 to 10 mph until 2400, then east.
Smoke dispersal.....Fair until 2100, then poor.
.TUESDAY...
Sky/weather.........Mostly sunny (10-20%). Isolated showers and
thunderstorms after 1200.
Chc of lightning....10 percent.
Max temperature.....78-88 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....South 5 to 10 mph shifting to the west 5 mph in
the afternoon.
Mixing Height.......2500 ft AGL until 1000, then 12500 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...
.WEDNESDAY...Mostly clear. Scattered showers and thunderstorms.
Lows 50-60. Highs 80-90. Winds less than 15 mph.
.THURSDAY...Mostly clear. Scattered showers and thunderstorms.
Lows 50-60. Highs 82-92. Winds less than 15 mph.
.FRIDAY...Partly cloudy. Scattered showers and thunderstorms.
Lows 51-61. Highs 80-90. Winds less than 15 mph.
.SATURDAY...Partly cloudy. Scattered showers and thunderstorms.
Lows 50-60. Highs 76-86.
.SUNDAY...Mostly cloudy. Scattered showers and thunderstorms.
Lows 47-57. Highs 72-82.
$$
COZ295-190130-
Southwest Colorado Upper East Forecast Area-
329 AM MDT Mon Aug 18 2025
.TODAY...
Sky/weather.........Mostly sunny (20-30%). Isolated showers and
thunderstorms after 1200.
Chc of lightning....10 percent.
Max temperature.....79-89 F.
Min humidity........11-16%.
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 10 to 15 mph becoming west 5 to 10
mph in the afternoon.
Mixing Height.......2000 ft AGL until 0900. 13500 ft AGL after
1000.
Transport Winds.....Northwest 5 mph until 1200, then southwest.
Smoke dispersal.....Poor until 0900. Good after 1200.
.TONIGHT...
Sky/weather.........Mostly clear (20-30%).
Chc of lightning....0 percent.
Min temperature.....49-59 F.
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....Northwest 5 to 10 mph shifting to the northeast
after midnight.
Mixing Height.......10000 ft AGL until 2000, then 2000 ft AGL.
Transport Winds.....North 5 to 10 mph until 2400, then east.
Smoke dispersal.....Fair until 2100, then poor.
.TUESDAY...
Sky/weather.........Mostly sunny (10-20%) until 1200, then partly
cloudy (30-40%). Isolated showers and
thunderstorms after 1200.
Chc of lightning....20 percent.
Max temperature.....81-91 F.
Min humidity........11-21%.
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....Northeast 5 to 10 mph shifting to the north in
the afternoon.
Mixing Height.......3000 ft AGL until 1000, then 11000 ft AGL.
Transport Winds.....East 5 mph until 1200, then west.
Smoke dispersal.....Poor until 0900. Fair after 1200.
.FORECAST FOR DAY 3 THROUGH 7...
.WEDNESDAY...Partly cloudy. Scattered showers and thunderstorms.
Lows 49-59. Highs 80-90. Winds less than 15 mph.
.THURSDAY...Partly cloudy. Scattered showers and thunderstorms.
Lows 49-59. Highs 83-93. Winds less than 15 mph.
.FRIDAY...Partly cloudy. Scattered showers and thunderstorms.
Lows 50-60. Highs 81-91. Winds less than 15 mph.
.SATURDAY...Mostly cloudy. Numerous showers and thunderstorms.
Lows 48-58. Highs 75-85.
.SUNDAY...Mostly cloudy. Numerous showers and thunderstorms. Lows
47-57. Highs 73-83.
$$
UTZ485-190130-
Eastern Ashley National Forest-
329 AM MDT Mon Aug 18 2025
.TODAY...
Sky/weather.........Mostly sunny (10-20%).
Chc of lightning....0 percent.
Max temperature.....76-86 F near 7000 feet
65-75 F near 10000 feet.
24 hr trend......2 degrees warmer.
Min humidity........9-14%.
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 1000. 14000 ft AGL after
1100.
Transport Winds.....South 5 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.....53-63 F near 7000 feet
39-49 F near 10000 feet.
24 hr trend......3 degrees warmer.
Max humidity........26-36%.
24 hr trend......20% drier.
20-foot winds.......Upslope/upvalley 4 to 8 mph becoming
downslope/downvalley 3 to 6 mph by sunset.
CWR.................0 percent.
Mixing Height.......11000 ft AGL until 2000, then 2000 ft AGL.
Transport Winds.....West 5 to 10 mph.
Clearing Index......1050 until 1900. Less than 500 after 2000.
.TUESDAY...
Sky/weather.........Mostly sunny (10-20%).
Chc of lightning....0 percent.
Max temperature.....80-90 F near 7000 feet
69-79 F near 10000 feet.
24 hr trend......3 degrees warmer.
Min humidity........7-12%.
24 hr trend......2% 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. 12500 ft AGL after
1200.
Transport Winds.....West 5 mph.
Clearing Index......Less than 500 until 1100. 900 after 1200.
.FORECAST FOR DAY 3 THROUGH 7...
.WEDNESDAY...Mostly clear. Lows 55-65. Highs 83-93. Winds less
than 15 mph.
.THURSDAY...Partly cloudy. Scattered showers and thunderstorms.
Lows 57-67. Highs 80-90. Winds less than 15 mph.
.FRIDAY...Partly cloudy. Scattered showers and thunderstorms .
Lows 55-65. Highs 78-88. Winds less than 15 mph.
.SATURDAY...Partly cloudy. Scattered showers and thunderstorms .
Lows 54-64. Highs 78-88.
.SUNDAY...Mostly cloudy. Numerous showers and scattered
thunderstorms near 7000 feet and numerous showers and scattered
thunderstorms near 10000 feet. Lows 54-64. Highs 73-83.
$$
UTZ486-190130-
Eastern Uinta Basin-
329 AM MDT Mon Aug 18 2025
.TODAY...
Sky/weather.........Sunny (0-10%).
Chc of lightning....0 percent.
Max temperature.....82-92 F near 5000 feet
71-81 F near 8000 feet.
24 hr trend......4 degrees warmer.
Min humidity........6-11%.
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.......2000 ft AGL until 1000. 14000 ft AGL after
1200.
Transport Winds.....Southeast 5 mph until 1200, then southwest.
Clearing Index......Less than 500 until 1100. 1050 after 1200.
.TONIGHT...
Sky/weather.........Clear (0-10%).
Chc of lightning....0 percent.
Min temperature.....55-65 F.
24 hr trend......1 degree cooler.
Max humidity........18-28%.
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.......12500 ft AGL until 1900. 1500 ft AGL after
2000.
Transport Winds.....West 5 mph until 2400, then north.
Clearing Index......1050 until 1900. Less than 500 after 2000.
.TUESDAY...
Sky/weather.........Mostly sunny (10-20%).
Chc of lightning....0 percent.
Max temperature.....86-96 F near 5000 feet
75-85 F near 8000 feet.
24 hr trend......3 degrees warmer.
Min humidity........4-9%.
24 hr trend......2% 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 1100, then 13000 ft AGL.
Transport Winds.....East 5 mph until 1200, then southwest.
Clearing Index......Less than 500 until 1200, then 950.
.FORECAST FOR DAY 3 THROUGH 7...
.WEDNESDAY...Clear. Lows 59-69. Highs 88-98. Winds less than
15 mph.
.THURSDAY...Mostly clear. Isolated showers and thunderstorms .
Lows 62-72. Highs 87-97. Winds less than 15 mph.
.FRIDAY...Partly cloudy. Scattered showers and thunderstorms .
Lows 62-72. Highs 85-95. Winds less than 15 mph.
.SATURDAY...Partly cloudy. Scattered showers and thunderstorms .
Lows 61-71. Highs 83-93.
.SUNDAY...Partly cloudy. Scattered showers and thunderstorms .
Lows 59-69. Highs 78-88.
$$
UTZ487-190130-
Book Cliffs-
329 AM MDT Mon Aug 18 2025
.TODAY...
Sky/weather.........Sunny (0-10%).
Chc of lightning....0 percent.
Max temperature.....83-93 F near 5000 feet
76-86 F near 8000 feet.
24 hr trend......2 degrees warmer.
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.......1500 ft AGL until 1000. 14000 ft AGL after
1200.
Transport Winds.....Southwest 5 mph.
Clearing Index......Less than 500 until 1000. 1050 after 1200.
.TONIGHT...
Sky/weather.........Clear (0-10%).
Chc of lightning....0 percent.
Min temperature.....57-67 F near 5000 feet
51-61 F near 8000 feet.
24 hr trend......Unchanged.
Max humidity........17-27%.
24 hr trend......5% drier.
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.....Southwest 5 mph.
Clearing Index......1050 until 1900. Less than 500 after 2000.
.TUESDAY...
Sky/weather.........Sunny (0-10%).
Chc of lightning....0 percent.
Max temperature.....86-96 F near 5000 feet
80-90 F near 8000 feet.
24 hr trend......3 degrees warmer.
Min humidity........3-8%.
24 hr trend......2% 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. 12500 ft AGL after
1200.
Transport Winds.....East 5 mph until 1200, then northwest.
Clearing Index......Less than 500 until 1100. 1000 after 1300.
.FORECAST FOR DAY 3 THROUGH 7...
.WEDNESDAY...Clear. Lows 57-67. Highs 90-100. Winds less than
15 mph.
.THURSDAY...Mostly clear. Isolated showers and thunderstorms.
Lows 60-70. Highs 90-100. Winds less than 15 mph.
.FRIDAY...Partly cloudy. Scattered showers and thunderstorms .
Lows 60-70. Highs 88-98. Winds less than 15 mph.
.SATURDAY...Partly cloudy. Scattered showers and thunderstorms .
Lows 60-70. Highs 86-96.
.SUNDAY...Mostly cloudy. Numerous showers and scattered
thunderstorms near 6000 feet and scattered showers and
thunderstorms near 8000 feet. Lows 59-69. Highs 81-91.
$$
UTZ490-190130-
Colorado River Basin-
329 AM MDT Mon Aug 18 2025
.TODAY...
Sky/weather.........Sunny (0-10%).
Chc of lightning....0 percent.
Max temperature.....90-100 F near 5000 feet
78-88 F near 7000 feet.
24 hr trend......4 degrees warmer.
Min humidity........5-10%.
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. 12500 ft AGL after
1100.
Transport Winds.....Southeast 5 mph until 1200, then southwest.
Clearing Index......Less than 500 until 1100. 1050 after 1300.
.TONIGHT...
Sky/weather.........Clear (0-10%).
Chc of lightning....0 percent.
Min temperature.....59-69 F.
24 hr trend......1 degree warmer.
Max humidity........14-24%.
24 hr trend......2% drier.
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 2000, then 1500 ft AGL.
Transport Winds.....Northwest 5 mph until 2400, then northeast.
Clearing Index......1050 until 1900. Less than 500 after 2000.
.TUESDAY...
Sky/weather.........Sunny (0-10%).
Chc of lightning....0 percent.
Max temperature.....93-103 F near 5000 feet
83-93 F near 7000 feet.
24 hr trend......4 degrees warmer.
Min humidity........3-8%.
24 hr trend......2% 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 12000 ft AGL.
Transport Winds.....Northeast 5 to 10 mph until 1200, then
northwest.
Clearing Index......600 until 1500, then 800.
.FORECAST FOR DAY 3 THROUGH 7...
.WEDNESDAY...Clear. Isolated showers and thunderstorms near
5000 feet. Lows 62-72. Highs 94-104. Winds less than 15 mph.
.THURSDAY...Mostly clear. Isolated showers and thunderstorms .
Lows 65-75. Highs 95-105. Winds less than 15 mph.
.FRIDAY...Mostly clear. Isolated showers and thunderstorms near
5000 feet and scattered showers and thunderstorms near 7000 feet
. Lows 66-76. Highs 94-104. Winds less than 15 mph.
.SATURDAY...Partly cloudy. Scattered showers and thunderstorms .
Lows 66-76. Highs 89-99.
.SUNDAY...Mostly cloudy. Scattered showers and thunderstorms .
Lows 64-74. Highs 85-95.
$$
UTZ491-190130-
Southeast Utah-
329 AM MDT Mon Aug 18 2025
.TODAY...
Sky/weather.........Sunny (0-10%).
Chc of lightning....0 percent.
Max temperature.....89-99 F near 5000 feet
76-86 F near 8000 feet.
24 hr trend......3 degrees warmer.
Min humidity........7-12%.
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.......1500 ft AGL until 1000. 13000 ft AGL after
1100.
Transport Winds.....Northwest 5 mph until 1200, then west.
Clearing Index......Less than 500 until 1100. 1050 after 1200.
.TONIGHT...
Sky/weather.........Clear (0-10%).
Chc of lightning....0 percent.
Min temperature.....60-70 F.
24 hr trend......2 degrees warmer.
Max humidity........21-31%.
24 hr trend......2% 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 2000, then 1500 ft AGL.
Transport Winds.....Northwest 5 mph until 2400, then northeast.
Clearing Index......900 until 1900. Less than 500 after 2000.
.TUESDAY...
Sky/weather.........Mostly sunny (10-20%).
Chc of lightning....0 percent.
Max temperature.....91-101 F near 5000 feet
79-89 F near 8000 feet.
24 hr trend......3 degrees warmer.
Min humidity........7-12%.
24 hr trend......Unchanged.
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 12500 ft AGL.
Transport Winds.....East 5 mph.
Clearing Index......Less than 500 until 1300, then 850.
.FORECAST FOR DAY 3 THROUGH 7...
.WEDNESDAY...Mostly clear. Isolated showers and thunderstorms .
Lows 62-72. Highs 93-103. Winds less than 15 mph.
.THURSDAY...Mostly clear. Isolated showers and thunderstorms .
Lows 64-74. Highs 94-104. Winds less than 15 mph.
.FRIDAY...Mostly clear. Isolated showers and thunderstorms near
5000 feet and scattered showers and thunderstorms near 8000 feet
. Lows 65-75. Highs 93-103. Winds less than 15 mph.
.SATURDAY...Partly cloudy. Isolated showers and thunderstorms
near 5000 feet and scattered showers and thunderstorms near
8000 feet. Lows 64-74. Highs 89-99.
.SUNDAY...Partly cloudy near 5000 feet and mostly cloudy near
8000 feet and scattered showers and thunderstorms . Lows 62-72.
Highs 85-95.
$$