Routine Fire Wx Fcst (With/Without 6-10 Day Outlook)
Issued by NWS Grand Junction, CO
Issued by NWS Grand Junction, CO
002
FNUS55 KGJT 292002
FWFGJT
Fire Weather Planning Forecast for Wrn Colorado and Ern Utah
National Weather Service Grand Junction CO
202 PM MDT Fri Aug 29 2025
.DISCUSSION...
Drier conditions develop Saturday and into next week, with a few
terrain based showers possible Saturday. Lower relative humidity
values could produced localized critical fire weather conditions
early next week as we return to hot and dry across the region.
...GUSTY ERRATIC WINDS CAN BE EXPECTED NEAR ANY SHOWERS
OR THUNDERSTORMS...
...THE SMOKE DATA IS CALCULATED FROM AN AVERAGE AT 6000 FEET MSL...
COZ200-301215-
Little Snake Forecast Area-
202 PM MDT Fri Aug 29 2025
.TONIGHT...
Sky/weather.........Near 6000 feet, partly cloudy (50-60%). Near
8000 feet, mostly cloudy (60-70%) until 2400,
then partly cloudy (30-40%). Isolated
thunderstorms until 2400. Isolated showers.
Chc of lightning....10 percent.
Min temperature.....46-56 F.
Max humidity........76-91% near 6000 feet
67-82% near 8000 feet.
20-foot winds.......Upslope/upvalley 4 to 8 mph becoming
downslope/downvalley 3 to 6 mph by sunset.
CWR.................10 percent.
15K Ft MSL Winds....North 15 to 20 mph.
Mixing Height.......4500 ft AGL until 2000, then 2000 ft AGL.
Transport Winds.....Southwest 5 mph.
Smoke dispersal.....Poor.
.SATURDAY...
Sky/weather.........Near 6000 feet, mostly sunny (20-30%), patchy
fog until 1200, isolated showers and
thunderstorms after 1200. Near 8000 feet,
mostly sunny (20-30%) until 1200, then partly
cloudy (30-40%), isolated thunderstorms until
1200. Scattered showers. Scattered
thunderstorms after 1200.
Chc of lightning....10 percent.
Max temperature.....72-82 F near 6000 feet
61-71 F near 8000 feet.
Min humidity........15-25%.
20-foot winds.......Upslope/upvalley winds 4 to 8 mph. Localized
gusts up to 20 mph in the afternoon.
CWR.................0 percent.
15K Ft MSL Winds....Northwest 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.
.SATURDAY NIGHT...
Sky/weather.........Mostly clear (10-20%).
Chc of lightning....0 percent.
Min temperature.....48-58 F.
Max humidity........56-66% near 6000 feet
48-58% 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.......11500 ft AGL until 1900. 1500 ft AGL after
2000.
Transport Winds.....Northeast 5 mph.
Smoke dispersal.....Fair until 2100, then poor.
.SUNDAY...
Sky/weather.........Sunny (0-10%).
Chc of lightning....0 percent.
Max temperature.....71-81 F near 6000 feet
63-73 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.......2500 ft AGL until 1000, then 11000 ft AGL.
Transport Winds.....Northeast 5 mph.
Smoke dispersal.....Poor until 1200. Fair after 1500.
.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 and thunderstorms
near 8000 feet. Lows 47-57. Highs 78-88. Winds less than 15 mph.
.THURSDAY...Mostly clear. Isolated showers and thunderstorms near
8000 feet. Lows 46-56. Highs 76-86.
.FRIDAY...Partly cloudy. Lows 47-57. Highs 75-85.
$$
COZ201-301215-
Routt Forecast Area-
202 PM MDT Fri Aug 29 2025
.TONIGHT...
Sky/weather.........Mostly cloudy (60-70%) until 2400, then partly
cloudy (50-60%). Scattered thunderstorms until
2400. Scattered showers.
Chc of lightning....40 percent.
Min temperature.....39-49 F.
Max humidity........82-97%.
20-foot winds.......Upslope/upvalley 4 to 8 mph becoming
downslope/downvalley 3 to 6 mph by sunset.
CWR.................30 percent.
15K Ft MSL Winds....West 15 to 20 mph shifting to the north 10 to
15 mph after midnight.
Mixing Height.......2000 ft AGL.
Transport Winds.....East 5 mph.
Smoke dispersal.....Poor.
.SATURDAY...
Sky/weather.........Partly cloudy (40-50%). Isolated thunderstorms
until 1200. Scattered showers. Scattered
thunderstorms after 1200.
Chc of lightning....40 percent.
Max temperature.....60-70 F.
Min humidity........29-39%.
20-foot winds.......Downslope/downvalley 3 to 6 mph becoming
upslope/upvalley 4 to 8 mph by 1100.
CWR.................20 percent.
15K Ft MSL Winds....Northwest 10 to 15 mph.
Mixing Height.......3000 ft AGL until 1100, then 8500 ft AGL.
Transport Winds.....West 5 mph until 1200, then northwest.
Smoke dispersal.....Poor until 0900. Good after 1200.
.SATURDAY NIGHT...
Sky/weather.........Mostly clear (20-30%).
Chc of lightning....0 percent.
Min temperature.....41-51 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....North 15 to 20 mph.
Mixing Height.......7500 ft AGL until 1900, 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%).
Chc of lightning....0 percent.
Max temperature.....63-73 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....Northwest 5 to 10 mph.
Mixing Height.......3500 ft AGL until 1000, then 9500 ft AGL.
Transport Winds.....Northeast 5 mph until 1200, then north.
Smoke dispersal.....Poor until 0900. Good after 1200.
.FORECAST FOR DAY 3 THROUGH 7...
.LABOR DAY...Clear. Lows 41-51. Highs 68-78. Winds less than
15 mph.
.TUESDAY...Clear. Lows 41-51. Highs 68-78. Winds less than
15 mph.
.WEDNESDAY...Mostly clear. Isolated showers and thunderstorms.
Lows 42-52. Highs 67-77. Winds less than 15 mph.
.THURSDAY...Mostly clear. Isolated showers and thunderstorms.
Lows 41-51. Highs 65-75.
.FRIDAY...Partly cloudy. Isolated showers and thunderstorms. Lows
40-50. Highs 65-75.
$$
COZ202-301215-
White River Forecast Area-
202 PM MDT Fri Aug 29 2025
.TONIGHT...
Sky/weather.........Partly cloudy (50-60%). Near 6000 feet, patchy
fog after 2400, isolated thunderstorms until
2400. Isolated showers. Near 8000 feet,
scattered showers and isolated thunderstorms
until 2400, then isolated showers.
Chc of lightning....20 percent.
Min temperature.....44-54 F.
Max humidity........79-94%.
20-foot winds.......Upslope/upvalley 4 to 8 mph becoming
downslope/downvalley 3 to 6 mph by sunset.
CWR.................10 percent.
15K Ft MSL Winds....North 15 to 20 mph.
Mixing Height.......3000 ft AGL until 2000, then 1500 ft AGL.
Transport Winds.....South 5 mph.
Smoke dispersal.....Poor.
.SATURDAY...
Sky/weather.........Near 6000 feet, mostly sunny (20-30%), patchy
fog until 1200, isolated showers and
thunderstorms. Near 8000 feet, mostly sunny
(20-30%) until 1200, then partly cloudy
(30-40%), scattered showers until 1200.
Isolated thunderstorms. Isolated showers after
1200.
Chc of lightning....10 percent.
Max temperature.....71-81 F near 6000 feet
61-71 F near 8000 feet.
Min humidity........16-26% near 6000 feet
24-34% near 8000 feet.
20-foot winds.......Downslope/downvalley 3 to 6 mph becoming
upslope/upvalley 4 to 8 mph by 1100.
CWR.................10 percent.
15K Ft MSL Winds....Northwest 10 to 15 mph.
Mixing Height.......3000 ft AGL until 1200, then 10500 ft AGL.
Transport Winds.....East 5 mph until 1200, then north.
Smoke dispersal.....Poor until 1200. Good after 1500.
.SATURDAY NIGHT...
Sky/weather.........Mostly clear (10-20%).
Chc of lightning....0 percent.
Min temperature.....46-56 F.
Max humidity........52-62% near 6000 feet
42-52% 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.......10000 ft AGL until 1900. 1000 ft AGL after
2000.
Transport Winds.....North 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........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 shifting to the northwest 5
mph in the afternoon.
Mixing Height.......2000 ft AGL until 1000, then 10000 ft AGL.
Transport Winds.....Northeast 5 mph.
Smoke dispersal.....Poor until 0900. Fair after 1500.
.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 6000 feet and
isolated showers and thunderstorms near 8000 feet. Lows 47-57.
Highs 79-89. Winds less than 15 mph.
.THURSDAY...Mostly clear. Isolated showers and thunderstorms.
Lows 47-57. Highs 77-87.
.FRIDAY...Mostly clear. Isolated showers and thunderstorms. Lows
47-57. Highs 76-86.
$$
COZ203-301215-
Lower Colorado River-
202 PM MDT Fri Aug 29 2025
.TONIGHT...
Sky/weather.........Partly cloudy (30-40%). Scattered showers and
thunderstorms until 2400, isolated showers after
2400.
Chc of lightning....30 percent.
Min temperature.....49-59 F near 6000 feet
43-53 F near 8000 feet.
Max humidity........66-81%.
20-foot winds.......Upslope/upvalley 4 to 8 mph becoming
downslope/downvalley 3 to 6 mph by sunset.
CWR.................10 percent.
15K Ft MSL Winds....West 20 to 25 mph becoming north 15 to 20 mph
after midnight.
Mixing Height.......4500 ft AGL until 2000, then 2000 ft AGL.
Transport Winds.....North 5 mph.
Smoke dispersal.....Poor.
.SATURDAY...
Sky/weather.........Mostly sunny (20-30%). Patchy fog until 1200.
Isolated showers and thunderstorms.
Chc of lightning....20 percent.
Max temperature.....73-83 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 11500 ft AGL.
Transport Winds.....North 5 mph.
Smoke dispersal.....Poor until 1200, then good.
.SATURDAY NIGHT...
Sky/weather.........Mostly clear (10-20%).
Chc of lightning....0 percent.
Min temperature.....51-61 F.
Max humidity........43-53%.
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.......10000 ft AGL until 1900. 2000 ft AGL after
2000.
Transport Winds.....Northeast 5 to 10 mph.
Smoke dispersal.....Fair until 2100, then poor.
.SUNDAY...
Sky/weather.........Sunny (0-10%).
Chc of lightning....0 percent.
Max temperature.....76-86 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....Southeast 5 to 10 mph shifting to the northwest
in the afternoon.
Mixing Height.......2500 ft AGL until 1000, then 11500 ft AGL.
Transport Winds.....East 5 mph until 1200, then north.
Smoke dispersal.....Poor until 0900. Fair after 1200.
.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 79-89.
.FRIDAY...Partly cloudy. Isolated showers and thunderstorms. Lows
52-62. Highs 76-86.
$$
COZ205-301215-
Colorado River Headwaters-
202 PM MDT Fri Aug 29 2025
.TONIGHT...
Sky/weather.........Partly cloudy (50-60%). Scattered thunderstorms
until 2400. Scattered showers. Isolated
thunderstorms after 2400. Patchy fog after
2400.
Chc of lightning....50 percent.
Min temperature.....40-50 F.
Max humidity........83-98%.
20-foot winds.......Upslope/upvalley 4 to 8 mph becoming
downslope/downvalley 3 to 6 mph by sunset.
CWR.................50 percent.
15K Ft MSL Winds....West 20 to 30 mph becoming northwest 10 to 15
mph after midnight.
Mixing Height.......2500 ft AGL.
Transport Winds.....Northwest 5 mph.
Smoke dispersal.....Poor.
.SATURDAY...
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.....64-74 F.
Min humidity........29-39%.
20-foot winds.......Upslope/upvalley winds 4 to 8 mph. Localized
gusts up to 20 mph in the afternoon.
CWR.................30 percent.
15K Ft MSL Winds....Northwest 10 to 15 mph.
Mixing Height.......3500 ft AGL until 1100, then 9000 ft AGL.
Transport Winds.....North 5 mph.
Smoke dispersal.....Poor until 0900. Fair after 1200.
.SATURDAY NIGHT...
Sky/weather.........Mostly clear (20-30%).
Chc of lightning....0 percent.
Min temperature.....43-53 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 10 to 15 mph.
Mixing Height.......7500 ft AGL until 1900, then 2500 ft AGL.
Transport Winds.....Northeast 5 mph.
Smoke dispersal.....Poor.
.SUNDAY...
Sky/weather.........Mostly sunny (10-20%).
Chc of lightning....0 percent.
Max temperature.....68-78 F.
Min humidity........16-26%.
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.......10500 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 41-51. Highs 69-79. Winds less than
15 mph.
.TUESDAY...Clear. Lows 41-51. Highs 70-80. 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 67-77.
.FRIDAY...Partly cloudy. Isolated showers and thunderstorms. Lows
41-51. Highs 66-76.
$$
COZ290-301215-
Paradox Valley Forecast Area-
202 PM MDT Fri Aug 29 2025
.TONIGHT...
Sky/weather.........Partly cloudy (30-40%). Near 6000 feet,
isolated showers and thunderstorms until 2400.
near 8000 feet, scattered showers and
thunderstorms until 2400, isolated showers after
2400.
Chc of lightning....20 percent.
Min temperature.....46-56 F near 6000 feet
42-52 F near 8000 feet.
Max humidity........61-76% near 6000 feet
83-98% near 8000 feet.
20-foot winds.......Upslope/upvalley 4 to 8 mph becoming
downslope/downvalley 3 to 6 mph by sunset.
CWR.................10 percent.
15K Ft MSL Winds....West 20 to 25 mph becoming northwest 15 to 20
mph after midnight.
Mixing Height.......5000 ft AGL until 2000, then 1500 ft AGL.
Transport Winds.....North 5 mph.
Smoke dispersal.....Poor.
.SATURDAY...
Sky/weather.........Near 6000 feet, mostly sunny (10-20%). Near
8000 feet, mostly sunny (10-20%) until 1200,
then partly cloudy (30-40%). Isolated showers
and thunderstorms after 1200.
Chc of lightning....10 percent.
Max temperature.....74-84 F near 6000 feet
63-73 F near 8000 feet.
Min humidity........15-25% near 6000 feet
23-33% near 8000 feet.
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....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.
.SATURDAY NIGHT...
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........38-48% near 6000 feet
54-64% near 8000 feet.
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 southeast
after midnight.
Mixing Height.......10500 ft AGL until 1900. 1500 ft AGL after
2000.
Transport Winds.....Northeast 5 mph.
Smoke dispersal.....Fair until 2100, then poor.
.SUNDAY...
Sky/weather.........Sunny (0-10%).
Chc of lightning....0 percent.
Max temperature.....76-86 F near 6000 feet
68-78 F near 8000 feet.
Min humidity........11-16% near 6000 feet
16-26% 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.
Mixing Height.......2500 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...
.LABOR DAY...Clear. Isolated showers and thunderstorms near
8000 feet. Lows 53-63. Highs 81-91. Winds less than 15 mph.
.TUESDAY...Clear. Isolated showers and thunderstorms near
8000 feet. Lows 53-63. Highs 82-92. Winds less than 15 mph.
.WEDNESDAY...Mostly clear. Isolated showers and thunderstorms
near 6000 feet and scattered showers and thunderstorms near
8000 feet. Lows 55-65. Highs 81-91. Winds less than 15 mph.
.THURSDAY...Mostly clear. Isolated showers and thunderstorms near
6000 feet and scattered showers and thunderstorms near 8000 feet.
Lows 54-64. Highs 80-90.
.FRIDAY...Partly cloudy. Isolated showers and thunderstorms. Lows
53-63. Highs 77-87.
$$
COZ291-301215-
Northern San Juan Forecast Area-
202 PM MDT Fri Aug 29 2025
.TONIGHT...
Sky/weather.........Partly cloudy (40-50%). Patchy fog. Scattered
showers and thunderstorms until 2400, isolated
showers after 2400.
Chc of lightning....50 percent.
Min temperature.....40-50 F.
Max humidity........81-96%.
20-foot winds.......Upslope/upvalley 4 to 8 mph becoming
downslope/downvalley 3 to 6 mph by sunset.
CWR.................40 percent.
15K Ft MSL Winds....West 20 to 25 mph becoming northwest 15 to 20
mph after midnight.
Mixing Height.......4000 ft AGL until 2000, then 2000 ft AGL.
Transport Winds.....West 5 mph until 2400, then east.
Smoke dispersal.....Poor.
.SATURDAY...
Sky/weather.........Partly cloudy (30-40%). Patchy fog until 1200.
Isolated showers and thunderstorms until 1200,
then scattered showers and thunderstorms.
Chc of lightning....30 percent.
Max temperature.....62-72 F.
Min humidity........23-33%.
20-foot winds.......Downslope/downvalley 3 to 6 mph becoming
upslope/upvalley 4 to 8 mph by 1100.
CWR.................10 percent.
15K Ft MSL Winds....Northwest 10 to 15 mph decreasing to 5 to 10
mph in the afternoon.
Mixing Height.......2500 ft AGL until 1000, then 9500 ft AGL.
Transport Winds.....North 5 mph.
Smoke dispersal.....Poor until 0900. Good after 1200.
.SATURDAY NIGHT...
Sky/weather.........Mostly clear (10-20%).
Chc of lightning....0 percent.
Min temperature.....42-52 F.
Max humidity........56-66%.
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.......8000 ft AGL until 1900. 2000 ft AGL after 2000.
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.....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 5 to 10 mph.
Mixing Height.......3500 ft AGL until 1000, then 10000 ft AGL.
Transport Winds.....South 5 mph until 1200, then west.
Smoke dispersal.....Poor until 0900. Good after 1200.
.FORECAST FOR DAY 3 THROUGH 7...
.LABOR DAY...Mostly clear. Isolated showers and thunderstorms.
Lows 43-53. Highs 71-81. 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. Scattered showers and thunderstorms.
Lows 44-54. Highs 70-80. Winds less than 15 mph.
.THURSDAY...Partly cloudy. Scattered showers and thunderstorms.
Lows 43-53. Highs 69-79.
.FRIDAY...Partly cloudy. Scattered showers and thunderstorms.
Lows 43-53. Highs 68-78.
$$
COZ292-301215-
North Fork Forecast Area-
202 PM MDT Fri Aug 29 2025
.TONIGHT...
Sky/weather.........Partly cloudy (40-50%). Scattered showers and
thunderstorms until 2400. Near 8000 feet,
patchy fog. Isolated showers after 2400.
Chc of lightning....30 percent.
Min temperature.....46-56 F near 6000 feet
42-52 F near 8000 feet.
Max humidity........76-91%.
20-foot winds.......Upslope/upvalley 4 to 8 mph becoming
downslope/downvalley 3 to 6 mph by sunset.
CWR.................10 percent.
15K Ft MSL Winds....West 20 to 25 mph becoming northwest 15 to 20
mph after midnight.
Mixing Height.......4000 ft AGL until 2000, then 2000 ft AGL.
Transport Winds.....West 5 to 10 mph until 2400, then southwest.
Smoke dispersal.....Poor.
.SATURDAY...
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.....74-84 F near 6000 feet
64-74 F near 8000 feet.
Min humidity........21-31%.
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....North 15 to 20 mph decreasing to 10 to 15 mph
in the afternoon.
Mixing Height.......9500 ft AGL.
Transport Winds.....Northeast 5 mph until 1200, then north.
Smoke dispersal.....Poor until 1200. Good after 1500.
.SATURDAY NIGHT...
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........50-60%.
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.......8500 ft AGL until 1900, then 2000 ft AGL.
Transport Winds.....North 5 to 10 mph until 2400, then east.
Smoke dispersal.....Poor.
.SUNDAY...
Sky/weather.........Sunny (0-10%).
Chc of lightning....0 percent.
Max temperature.....78-88 F near 6000 feet
68-78 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....West 5 to 10 mph.
Mixing Height.......3000 ft AGL until 1000, then 10500 ft AGL.
Transport Winds.....East 5 mph until 1200, then northwest.
Smoke dispersal.....Poor until 1200. Good after 1500.
.FORECAST FOR DAY 3 THROUGH 7...
.LABOR DAY...Clear. Isolated showers near 8000 feet. Lows 50-60.
Highs 81-91. Winds less than 15 mph.
.TUESDAY...Clear. Isolated showers and thunderstorms near
8000 feet. Lows 51-61. Highs 82-92. 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 near
6000 feet and scattered showers and thunderstorms near 8000 feet.
Lows 51-61. Highs 79-89.
.FRIDAY...Partly cloudy. Isolated showers and thunderstorms. Lows
50-60. Highs 77-87.
$$
COZ293-301215-
Gunnison Basin Forecast Area-
202 PM MDT Fri Aug 29 2025
.TONIGHT...
Sky/weather.........Partly cloudy (50-60%). Scattered thunderstorms
until 2400. Scattered showers. Isolated
thunderstorms after 2400. Patchy fog after
2400.
Chc of lightning....40 percent.
Min temperature.....41-51 F.
Max humidity........80-95%.
20-foot winds.......Downslope/downvalley winds 3 to 6 mph.
Localized gusts up to 20 mph in the evening.
CWR.................50 percent.
15K Ft MSL Winds....West 20 to 30 mph decreasing to 10 to 15 mph
after midnight.
Mixing Height.......4000 ft AGL until 2000, then 2500 ft AGL.
Transport Winds.....West 5 mph.
Smoke dispersal.....Poor.
.SATURDAY...
Sky/weather.........Partly cloudy (40-50%). Patchy fog until 1200.
Isolated showers and thunderstorms until 1200,
then scattered showers and thunderstorms.
Chc of lightning....30 percent.
Max temperature.....68-78 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.
Mixing Height.......2500 ft AGL until 1000, then 9500 ft AGL.
Transport Winds.....Northwest 5 mph.
Smoke dispersal.....Poor until 0900. Good after 1500.
.SATURDAY NIGHT...
Sky/weather.........Mostly clear (10-20%).
Chc of lightning....0 percent.
Min temperature.....42-52 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....Northwest 5 to 10 mph.
Mixing Height.......8500 ft AGL until 1900, then 2500 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.....71-81 F.
Min humidity........14-24%.
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.......3000 ft AGL until 1000, then 10500 ft AGL.
Transport Winds.....Northeast 5 mph until 1200, then northwest.
Smoke dispersal.....Poor until 0900. Good after 1500.
.FORECAST FOR DAY 3 THROUGH 7...
.LABOR DAY...Clear. Lows 40-50. Highs 71-81. Winds less than
15 mph.
.TUESDAY...Mostly clear. Isolated showers and thunderstorms. Lows
41-51. Highs 72-82. 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 41-51. Highs 69-79.
.FRIDAY...Partly cloudy. Isolated showers and thunderstorms. Lows
40-50. Highs 68-78.
$$
COZ207-301215-
Southwest Colorado Lower Forecast Area-
202 PM MDT Fri Aug 29 2025
.TONIGHT...
Sky/weather.........Partly cloudy (30-40%). Isolated showers and
thunderstorms until 2400.
Chc of lightning....10 percent.
Min temperature.....49-59 F.
Max humidity........71-86%.
20-foot winds.......Upslope/upvalley 4 to 8 mph becoming
downslope/downvalley 3 to 6 mph by sunset.
CWR.................10 percent.
15K Ft MSL Winds....West 20 to 25 mph becoming northwest 15 to 20
mph after midnight.
Mixing Height.......6000 ft AGL until 2000, then 1500 ft AGL.
Transport Winds.....North 5 to 10 mph.
Smoke dispersal.....Poor.
.SATURDAY...
Sky/weather.........Mostly sunny (10-20%).
Chc of lightning....0 percent.
Max temperature.....77-87 F.
Min humidity........15-25%.
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.......3000 ft AGL until 1100, then 10500 ft AGL.
Transport Winds.....North 5 to 10 mph.
Smoke dispersal.....Poor until 0900. Very good after 1200.
.SATURDAY NIGHT...
Sky/weather.........Mostly clear (10-20%).
Chc of lightning....0 percent.
Min temperature.....49-59 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....North 5 to 10 mph shifting to the southeast
after midnight.
Mixing Height.......10000 ft AGL until 1900. 1500 ft AGL after
2000.
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........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 5 to 10 mph.
Mixing Height.......2500 ft AGL until 1000, then 10500 ft AGL.
Transport Winds.....Southeast 5 to 10 mph until 1200, then
southwest.
Smoke dispersal.....Poor until 0900. Good after 1200.
.FORECAST FOR DAY 3 THROUGH 7...
.LABOR DAY...Clear. Lows 50-60. Highs 81-91. 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 81-91. Winds less than 15 mph.
.THURSDAY...Partly cloudy. Isolated showers and thunderstorms.
Lows 51-61. Highs 80-90.
.FRIDAY...Partly cloudy. Isolated showers and thunderstorms. Lows
50-60. Highs 78-88.
$$
COZ294-301215-
Southwest Colorado Upper West Forecast Area-
202 PM MDT Fri Aug 29 2025
.TONIGHT...
Sky/weather.........Partly cloudy (30-40%). Isolated showers and
thunderstorms until 2400. Patchy fog after
2400.
Chc of lightning....20 percent.
Min temperature.....43-53 F.
Max humidity........82-97%.
20-foot winds.......Upslope/upvalley 4 to 8 mph becoming
downslope/downvalley 3 to 6 mph by sunset.
CWR.................10 percent.
15K Ft MSL Winds....West 20 to 25 mph becoming northwest 15 to 20
mph after midnight.
Mixing Height.......4500 ft AGL until 2000, then 1500 ft AGL.
Transport Winds.....North 5 to 10 mph.
Smoke dispersal.....Poor.
.SATURDAY...
Sky/weather.........Mostly sunny (20-30%). Areas of fog until 1200.
Isolated showers and thunderstorms after 1200.
Chc of lightning....10 percent.
Max temperature.....66-76 F.
Min humidity........21-31%.
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....North 10 to 15 mph.
Mixing Height.......1500 ft AGL until 1000. 9000 ft AGL after 1100.
Transport Winds.....North 5 to 10 mph.
Smoke dispersal.....Poor until 0900. Good after 1200.
.SATURDAY NIGHT...
Sky/weather.........Mostly clear (10-20%).
Chc of lightning....0 percent.
Min temperature.....44-54 F.
Max humidity........57-67%.
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.......7500 ft AGL until 1900. 1000 ft AGL after 2000.
Transport Winds.....Northeast 5 to 10 mph.
Smoke dispersal.....Fair until 2100, then poor.
.SUNDAY...
Sky/weather.........Mostly sunny (20-30%). Isolated showers after
1200.
Chc of lightning....0 percent.
Max temperature.....67-77 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....South 5 to 10 mph.
Mixing Height.......3000 ft AGL until 1000, then 9500 ft AGL.
Transport Winds.....Southeast 5 to 10 mph until 1200, then
southwest.
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
43-53. Highs 72-82. Winds less than 15 mph.
.WEDNESDAY...Partly cloudy. Scattered showers and thunderstorms.
Lows 43-53. Highs 71-81. Winds less than 15 mph.
.THURSDAY...Partly cloudy. Scattered showers and thunderstorms.
Lows 43-53. Highs 70-80.
.FRIDAY...Partly cloudy. Scattered showers and thunderstorms.
Lows 41-51. Highs 68-78.
$$
COZ295-301215-
Southwest Colorado Upper East Forecast Area-
202 PM MDT Fri Aug 29 2025
.TONIGHT...
Sky/weather.........Mostly clear (20-30%). Isolated showers and
thunderstorms until 2400.
Chc of lightning....20 percent.
Min temperature.....42-52 F.
Max humidity........74-89%.
20-foot winds.......Upslope/upvalley 4 to 8 mph becoming
downslope/downvalley 3 to 6 mph by sunset.
CWR.................10 percent.
15K Ft MSL Winds....West 20 to 25 mph decreasing to 15 to 20 mph
after midnight.
Mixing Height.......5500 ft AGL until 2000, then 2000 ft AGL.
Transport Winds.....West 5 to 10 mph until 2400, then northeast.
Smoke dispersal.....Fair until 2100, then poor.
.SATURDAY...
Sky/weather.........Mostly sunny (10-20%) until 1200, then partly
cloudy (30-40%). Scattered showers and
thunderstorms after 1200.
Chc of lightning....20 percent.
Max temperature.....71-81 F.
Min humidity........21-31%.
20-foot winds.......Downslope/downvalley 3 to 6 mph becoming
upslope/upvalley 4 to 8 mph by 1100.
CWR.................10 percent.
15K Ft MSL Winds....West 15 to 20 mph becoming northwest 5 to 10
mph in the afternoon.
Mixing Height.......10000 ft AGL.
Transport Winds.....North 5 mph until 1200, then west.
Smoke dispersal.....Poor until 0900. Fair after 1200.
.SATURDAY NIGHT...
Sky/weather.........Partly cloudy (30-40%).
Chc of lightning....0 percent.
Min temperature.....44-54 F.
Max humidity........60-75%.
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
after midnight.
Mixing Height.......8500 ft AGL until 1900. 2000 ft AGL after 2000.
Transport Winds.....Northeast 5 to 10 mph.
Smoke dispersal.....Poor.
.SUNDAY...
Sky/weather.........Mostly sunny (20-30%). Isolated showers and
thunderstorms after 1200.
Chc of lightning....20 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.......9500 ft AGL.
Transport Winds.....South 5 mph until 1200, then west.
Smoke dispersal.....Poor until 0900. Fair after 1200.
.FORECAST FOR DAY 3 THROUGH 7...
.LABOR DAY...Partly cloudy. 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. Patchy fog. Scattered showers and
thunderstorms. Lows 41-51. Highs 70-80.
.FRIDAY...Partly cloudy. Scattered showers and thunderstorms.
Lows 41-51. Highs 69-79.
$$
UTZ485-301215-
Eastern Ashley National Forest-
202 PM MDT Fri Aug 29 2025
.TONIGHT...
Sky/weather.........Partly cloudy (40-50%). Near 7000 feet,
isolated showers and thunderstorms until 2400.
near 10000 feet, scattered showers and
isolated thunderstorms until 2400, then
isolated showers.
Chc of lightning....20 percent.
Min temperature.....44-54 F near 7000 feet
33-43 F near 10000 feet.
24 hr trend......3 degrees cooler.
Max humidity........63-78% near 7000 feet
74-89% near 10000 feet.
24 hr trend......7% wetter.
20-foot winds.......Upslope/upvalley 4 to 8 mph becoming
downslope/downvalley 3 to 6 mph by sunset.
CWR.................10 percent.
Mixing Height.......5500 ft AGL until 1900. 1500 ft AGL after 2000.
Transport Winds.....West 5 to 10 mph.
Clearing Index......Less than 500.
.SATURDAY...
Sky/weather.........Mostly sunny (10-20%). Isolated showers and
thunderstorms after 1200.
Chc of lightning....10 percent.
Max temperature.....65-75 F near 7000 feet
54-64 F near 10000 feet.
24 hr trend......1 degree warmer.
Min humidity........20-30% near 7000 feet
26-36% near 10000 feet.
24 hr trend......35% 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.......2000 ft AGL until 1000, then 10000 ft AGL.
Transport Winds.....Northwest 5 to 10 mph.
Clearing Index......Less than 500 until 1100. 1050 after 1200.
.SATURDAY NIGHT...
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......4 degrees cooler.
Max humidity........48-58% near 7000 feet
57-67% near 10000 feet.
24 hr trend......31% 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 1900. 1500 ft AGL after
2000.
Transport Winds.....Northwest 5 to 10 mph.
Clearing Index......1000 until 1900. Less than 500 after 2000.
.SUNDAY...
Sky/weather.........Sunny (0-10%).
Chc of lightning....0 percent.
Max temperature.....68-78 F near 7000 feet
57-67 F near 10000 feet.
24 hr trend......2 degrees warmer.
Min humidity........16-26% near 7000 feet
25-35% near 10000 feet.
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.......3500 ft AGL until 1100, then 9000 ft AGL.
Transport Winds.....Northwest 5 mph.
Clearing Index......Less than 500 until 1200, then 550.
.FORECAST FOR DAY 3 THROUGH 7...
.LABOR DAY...Mostly 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 and thunderstorms .
Lows 48-58. Highs 70-80. Winds less than 15 mph.
.THURSDAY...Mostly clear. Isolated showers and thunderstorms .
Lows 47-57. Highs 69-79.
.FRIDAY...Partly cloudy. Isolated showers and thunderstorms .
Lows 47-57. Highs 69-79.
$$
UTZ486-301215-
Eastern Uinta Basin-
202 PM MDT Fri Aug 29 2025
.TONIGHT...
Sky/weather.........Partly cloudy (40-50%). Isolated showers and
thunderstorms until 2400.
Chc of lightning....20 percent.
Min temperature.....47-57 F.
24 hr trend......6 degrees cooler.
Max humidity........61-76% near 5000 feet
67-82% near 8000 feet.
24 hr trend......1% wetter.
20-foot winds.......Upslope/upvalley 4 to 8 mph becoming
downslope/downvalley 3 to 6 mph by sunset.
CWR.................10 percent.
Mixing Height.......4000 ft AGL until 2000, then 1500 ft AGL.
Transport Winds.....Southwest 5 mph until 2400, then northwest.
Clearing Index......Less than 500.
.SATURDAY...
Sky/weather.........Mostly sunny (20-30%). Near 8000 feet,
isolated showers and thunderstorms after 1200.
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........18-28%.
24 hr trend......28% 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 11000 ft AGL.
Transport Winds.....North 5 mph.
Clearing Index......Less than 500 until 1000. 1050 after 1200.
.SATURDAY NIGHT...
Sky/weather.........Mostly clear (10-20%).
Chc of lightning....0 percent.
Min temperature.....49-59 F near 5000 feet
41-51 F near 8000 feet.
24 hr trend......3 degrees warmer.
Max humidity........39-49%.
24 hr trend......13% 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......1 degree 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.......2500 ft AGL until 1000, then 10000 ft AGL.
Transport Winds.....Northeast 5 mph until 1200, then southwest.
Clearing Index......550.
.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. Isolated showers and thunderstorms.
Lows 52-62. Highs 75-85.
.FRIDAY...Partly cloudy. Isolated showers and thunderstorms. Lows
52-62. Highs 74-84.
$$
UTZ487-301215-
Book Cliffs-
202 PM MDT Fri Aug 29 2025
.TONIGHT...
Sky/weather.........Partly cloudy (30-40%). Isolated showers and
thunderstorms until 2400.
Chc of lightning....10 percent.
Min temperature.....48-58 F near 5000 feet
43-53 F near 8000 feet.
24 hr trend......4 degrees cooler.
Max humidity........66-81% near 5000 feet
74-89% near 8000 feet.
24 hr trend......8% wetter.
20-foot winds.......Upslope/upvalley 4 to 8 mph becoming
downslope/downvalley 3 to 6 mph by sunset.
CWR.................10 percent.
Mixing Height.......3500 ft AGL until 2000, then 1500 ft AGL.
Transport Winds.....West 5 mph until 2400, then south.
Clearing Index......Less than 500.
.SATURDAY...
Sky/weather.........Mostly sunny (10-20%). Isolated showers and
thunderstorms after 1200.
Chc of lightning....10 percent.
Max temperature.....69-79 F near 5000 feet
64-74 F near 8000 feet.
24 hr trend......6 degrees warmer.
Min humidity........16-26%.
24 hr trend......34% drier.
20-foot winds.......Downslope/downvalley 3 to 6 mph becoming
upslope/upvalley 4 to 8 mph by 1100.
CWR.................10 percent.
Mixing Height.......2500 ft AGL until 1100, then 9500 ft AGL.
Transport Winds.....North 5 mph.
Clearing Index......Less than 500 until 1200, then 900.
.SATURDAY NIGHT...
Sky/weather.........Mostly clear (10-20%).
Chc of lightning....0 percent.
Min temperature.....51-61 F.
24 hr trend......Unchanged.
Max humidity........41-51%.
24 hr trend......31% 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. 1500 ft AGL after 2000.
Transport Winds.....North 5 mph until 2400, then south.
Clearing Index......900 until 1900, then less than 500.
.SUNDAY...
Sky/weather.........Sunny (0-10%).
Chc of lightning....0 percent.
Max temperature.....71-81 F near 5000 feet
66-76 F near 8000 feet.
24 hr trend......2 degrees warmer.
Min humidity........12-17% near 5000 feet
16-26% near 8000 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.......2000 ft AGL until 1000, then 9000 ft AGL.
Transport Winds.....Northeast 5 mph.
Clearing Index......Less than 500 until 1100. 800 after 1200.
.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 80-90. Winds less than
15 mph.
.WEDNESDAY...Mostly clear. Isolated showers near 6000 feet and
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 77-87.
.FRIDAY...Partly cloudy. Isolated showers and thunderstorms .
Lows 52-62. Highs 76-86.
$$
UTZ490-301215-
Colorado River Basin-
202 PM MDT Fri Aug 29 2025
.TONIGHT...
Sky/weather.........Partly cloudy (30-40%). Isolated showers and
thunderstorms until 2400.
Chc of lightning....10 percent.
Min temperature.....53-63 F near 5000 feet
44-54 F near 7000 feet.
24 hr trend......8 degrees cooler.
Max humidity........56-71%.
24 hr trend......6% wetter.
20-foot winds.......Upslope/upvalley 4 to 8 mph becoming
downslope/downvalley 3 to 6 mph by sunset.
CWR.................10 percent.
Mixing Height.......5000 ft AGL until 2000, then 1500 ft AGL.
Transport Winds.....North 5 mph.
Clearing Index......Less than 500.
.SATURDAY...
Sky/weather.........Mostly sunny (10-20%). Isolated showers and
thunderstorms after 1200.
Chc of lightning....10 percent.
Max temperature.....80-90 F near 5000 feet
69-79 F near 7000 feet.
24 hr trend......5 degrees warmer.
Min humidity........15-25%.
24 hr trend......21% drier.
20-foot winds.......Downslope/downvalley 3 to 6 mph becoming
upslope/upvalley 4 to 8 mph by 1100.
CWR.................0 percent.
Mixing Height.......3500 ft AGL until 1200, then 10500 ft AGL.
Transport Winds.....Northeast 5 mph.
Clearing Index......Less than 500 until 1300, then 950.
.SATURDAY NIGHT...
Sky/weather.........Clear (0-10%).
Chc of lightning....0 percent.
Min temperature.....54-64 F.
24 hr trend......1 degree warmer.
Max humidity........33-43%.
24 hr trend......24% 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 1500 ft AGL.
Transport Winds.....Northeast 5 to 10 mph.
Clearing Index......950 until 1900. Less than 500 after 2000.
.SUNDAY...
Sky/weather.........Sunny (0-10%).
Chc of lightning....0 percent.
Max temperature.....83-93 F near 5000 feet
72-82 F near 7000 feet.
24 hr trend......4 degrees warmer.
Min humidity........9-14%.
24 hr trend......8% 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.......2000 ft AGL until 1000, then 10500 ft AGL.
Transport Winds.....Northeast 5 to 10 mph.
Clearing Index......Less than 500 until 1100, then 850.
.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. Isolated showers and thunderstorms
near 7000 feet. Lows 58-68. 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 81-91.
$$
UTZ491-301215-
Southeast Utah-
202 PM MDT Fri Aug 29 2025
.TONIGHT...
Sky/weather.........Mostly clear (10-20%). Near 8000 feet,
isolated showers and thunderstorms until 2400.
Chc of lightning....0 percent.
Min temperature.....55-65 F near 5000 feet
45-55 F near 8000 feet.
24 hr trend......4 degrees cooler.
Max humidity........55-70% near 5000 feet
67-82% near 8000 feet.
24 hr trend......7% wetter.
20-foot winds.......Downslope/downvalley winds 3 to 6 mph.
Localized gusts up to 20 mph in the evening.
CWR.................0 percent.
Mixing Height.......7000 ft AGL until 2000, then 1500 ft AGL.
Transport Winds.....North 5 mph.
Clearing Index......1000 until 1900. Less than 500 after 2000.
.SATURDAY...
Sky/weather.........Sunny (0-10%). Near 8000 feet, isolated
showers and thunderstorms after 1200.
Chc of lightning....0 percent.
Max temperature.....81-91 F near 5000 feet
64-74 F near 8000 feet.
24 hr trend......3 degrees warmer.
Min humidity........15-25% near 5000 feet
22-32% near 8000 feet.
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.......1500 ft AGL until 1000, then 11000 ft AGL.
Transport Winds.....North 5 mph.
Clearing Index......Less than 500 until 1000. 1050 after 1200.
.SATURDAY NIGHT...
Sky/weather.........Mostly clear (10-20%).
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........36-46%.
24 hr trend......25% 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.......9500 ft AGL until 2000, then 1500 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
68-78 F near 8000 feet.
24 hr trend......1 degree cooler.
Min humidity........12-17%.
24 hr trend......4% 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 10000 ft AGL.
Transport Winds.....Northeast 5 mph until 1200, then northwest.
Clearing Index......650.
.FORECAST FOR DAY 3 THROUGH 7...
.LABOR DAY...Clear. Lows 56-66. Highs 83-93. Winds less than
15 mph.
.TUESDAY...Mostly clear. Lows 57-67. Highs 85-95. Winds less than
15 mph.
.WEDNESDAY...Partly cloudy. Isolated showers near 5000 feet and
isolated showers and thunderstorms near 8000 feet. Lows 58-68.
Highs 84-94. Winds less than 15 mph.
.THURSDAY...Partly cloudy. Isolated showers and thunderstorms .
Lows 58-68. Highs 82-92.
.FRIDAY...Partly cloudy. Isolated showers and thunderstorms .
Lows 57-67. Highs 80-90.
$$