Routine Fire Wx Fcst (With/Without 6-10 Day Outlook)
Issued by NWS Grand Junction, CO
Issued by NWS Grand Junction, CO
761
FNUS55 KGJT 052037
FWFGJT
Fire Weather Planning Forecast for Wrn Colorado and Ern Utah
National Weather Service Grand Junction CO
237 PM MDT Fri Sep 5 2025
.DISCUSSION...
Abundant moisture and active weather will keep relative
humidities elevated through the next week. Isolated wetting rains
are expected today with more widespread activity Saturday. Showers
and thunderstorms could produce gusty outflows and localized
flash flooding today and Saturday. Drier conditions Sunday will
keep shower activity more isolated. Winds increase mid week ahead
of the next potential storm. Critical fire weather conditions are
not expected.
...GUSTY ERRATIC WINDS CAN BE EXPECTED NEAR ANY SHOWERS
OR THUNDERSTORMS...
...THE SMOKE DATA IS CALCULATED FROM AN AVERAGE AT 6000 FEET MSL...
COZ200-061245-
Little Snake Forecast Area-
237 PM MDT Fri Sep 5 2025
.TONIGHT...
Sky/weather.........Mostly clear (20-30%). Near 6000 feet, areas of
smoke until 2400, isolated showers and
thunderstorms until 2400. Near 8000 feet, areas
of smoke.
Chc of lightning....10 percent.
Min temperature.....49-59 F.
Max humidity........57-72% 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....Northwest 10 to 15 mph.
Mixing Height.......11000 ft AGL until 1900. 1500 ft AGL after
2000.
Transport Winds.....North 5 mph until 2400, then south.
Smoke dispersal.....Poor.
.SATURDAY...
Sky/weather.........Partly cloudy (40-50%). Near 6000 feet,
isolated showers until 1200, then scattered
showers and thunderstorms. Areas of smoke after
1200. Near 8000 feet, isolated showers.
Isolated thunderstorms after 1200.
Chc of lightning....30 percent.
Max temperature.....73-83 F near 6000 feet
63-73 F near 8000 feet.
Min humidity........19-29% near 6000 feet
25-35% near 8000 feet.
20-foot winds.......Downslope/downvalley 3 to 6 mph becoming
upslope/upvalley 4 to 8 mph by 1100.
CWR.................30 percent.
15K Ft MSL Winds....Southwest 5 to 10 mph.
Mixing Height.......3000 ft AGL until 1100, then 9000 ft AGL.
Transport Winds.....Southwest 5 mph.
Smoke dispersal.....Poor until 0900. Good after 1200.
.SATURDAY NIGHT...
Sky/weather.........Mostly cloudy (70-80%) until 2400, then partly
cloudy (50-60%). Near 6000 feet, areas of smoke
until 2400. Near 8000 feet, areas of smoke.
Isolated thunderstorms until 2400. Isolated
showers.
Chc of lightning....20 percent.
Min temperature.....48-58 F.
Max humidity........72-87% near 6000 feet
65-80% near 8000 feet.
20-foot winds.......Upslope/upvalley 4 to 8 mph becoming
downslope/downvalley 3 to 6 mph by sunset.
CWR.................20 percent.
15K Ft MSL Winds....Southwest 10 to 15 mph increasing to west 20 to
25 mph after midnight.
Mixing Height.......4000 ft AGL until 2000, then 2000 ft AGL.
Transport Winds.....Southwest 5 mph.
Smoke dispersal.....Poor.
.SUNDAY...
Sky/weather.........Near 6000 feet, mostly sunny (20-30%) until
1200, then partly cloudy (40-50%), isolated
showers. Isolated thunderstorms after 1200.
near 8000 feet, partly cloudy (30-40%),
scattered showers until 1200, then isolated
showers and thunderstorms.
Chc of lightning....20 percent.
Max temperature.....73-83 F near 6000 feet
62-72 F near 8000 feet.
Min humidity........19-29% near 6000 feet
28-38% near 8000 feet.
20-foot winds.......Upslope/upvalley winds 4 to 8 mph. Localized
gusts up to 25 mph in the afternoon.
CWR.................10 percent.
15K Ft MSL Winds....West 20 to 25 mph decreasing to 15 to 20 mph in
the afternoon.
Mixing Height.......9500 ft AGL.
Transport Winds.....Southwest 5 to 10 mph.
Smoke dispersal.....Poor until 0900. Very good after 1200.
.FORECAST FOR DAY 3 THROUGH 7...
.MONDAY...Partly cloudy. Isolated showers and thunderstorms. Lows
46-56. Highs 76-86. Winds less than 15 mph.
.TUESDAY...Partly cloudy. Isolated showers near 6000 feet and
isolated showers and thunderstorms near 8000 feet. Lows 46-56.
Highs 75-85. Southwest winds 10 to 20 mph with gusts to 30 mph.
.WEDNESDAY...Partly cloudy. Isolated showers and thunderstorms.
Lows 47-57. Highs 73-83. Southwest winds 10 to 20 mph with gusts
to 30 mph.
.THURSDAY...Partly cloudy. Scattered showers and isolated
thunderstorms. Lows 45-55. Highs 71-81.
.FRIDAY...Partly cloudy. Scattered showers and isolated
thunderstorms near 6000 feet and scattered showers and isolated
thunderstorms near 8000 feet. Lows 44-54. Highs 68-78.
$$
COZ201-061245-
Routt Forecast Area-
237 PM MDT Fri Sep 5 2025
.TONIGHT...
Sky/weather.........Mostly clear (10-20%). Isolated showers and
thunderstorms until 2400. Areas of smoke.
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....Northwest 15 to 20 mph.
Mixing Height.......9000 ft AGL until 1900. 1500 ft AGL after 2000.
Transport Winds.....North 5 to 10 mph until 2400, then south.
Smoke dispersal.....Fair until 2100, then poor.
.SATURDAY...
Sky/weather.........Partly cloudy (50-60%). Areas of smoke.
Isolated thunderstorms until 1200. Scattered
showers. Scattered thunderstorms after 1200.
Chc of lightning....30 percent.
Max temperature.....64-74 F.
Min humidity........26-36%.
20-foot winds.......Downslope/downvalley 3 to 6 mph becoming
upslope/upvalley 4 to 8 mph by 1100.
CWR.................40 percent.
15K Ft MSL Winds....West 10 to 15 mph.
Mixing Height.......2500 ft AGL until 1000, then 9500 ft AGL.
Transport Winds.....West 5 to 10 mph.
Smoke dispersal.....Poor until 0900. Good after 1200.
.SATURDAY NIGHT...
Sky/weather.........Mostly cloudy (70-80%) until 2400, then partly
cloudy (50-60%). Areas of smoke until 2400.
Scattered thunderstorms until 2400. Scattered
showers.
Chc of lightning....30 percent.
Min temperature.....43-53 F.
Max humidity........73-88%.
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 10 to 15 mph.
Mixing Height.......8000 ft AGL until 1900, then 2000 ft AGL.
Transport Winds.....South 5 mph.
Smoke dispersal.....Poor.
.SUNDAY...
Sky/weather.........Partly cloudy (50-60%) until 1200, then mostly
cloudy (60-70%). Isolated thunderstorms until
1200. Scattered showers. Scattered
thunderstorms after 1200.
Chc of lightning....50 percent.
Max temperature.....61-71 F.
Min humidity........33-43%.
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....West 20 to 25 mph.
Mixing Height.......8500 ft AGL.
Transport Winds.....West 5 to 10 mph.
Smoke dispersal.....Poor until 0900. Very good after 1200.
.FORECAST FOR DAY 3 THROUGH 7...
.MONDAY...Partly cloudy. Scattered showers and thunderstorms.
Lows 41-51. Highs 65-75. Winds less than 15 mph.
.TUESDAY...Partly cloudy. Isolated showers and thunderstorms.
Lows 42-52. Highs 66-76. Winds less than 15 mph.
.WEDNESDAY...Partly cloudy. Scattered showers and thunderstorms.
Lows 43-53. Highs 64-74. Southwest winds 10 to 20 mph with gusts
to 30 mph.
.THURSDAY...Partly cloudy. Scattered showers and thunderstorms.
Lows 41-51. Highs 62-72.
.FRIDAY...Partly cloudy. Scattered showers and thunderstorms.
Lows 40-50. Highs 59-69.
$$
COZ202-061245-
White River Forecast Area-
237 PM MDT Fri Sep 5 2025
.TONIGHT...
Sky/weather.........Mostly clear (20-30%). Isolated showers and
thunderstorms until 2400. Near 8000 feet, areas
of smoke.
Chc of lightning....10 percent.
Min temperature.....48-58 F.
Max humidity........60-75% near 6000 feet
55-65% 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 5 to 10 mph shifting to the west after
midnight.
Mixing Height.......8000 ft AGL until 1900. 1000 ft AGL after 2000.
Transport Winds.....West 5 to 10 mph until 2400, then south.
Smoke dispersal.....Poor.
.SATURDAY...
Sky/weather.........Near 6000 feet, partly cloudy (40-50%),
isolated showers and thunderstorms until 1200,
then scattered showers and thunderstorms. Near
8000 feet, partly cloudy (40-50%) until 1200,
then mostly cloudy (60-70%), scattered showers
and isolated thunderstorms until 1200, then
numerous showers and scattered thunderstorms.
Chc of lightning....30 percent.
Max temperature.....70-80 F near 6000 feet
62-72 F near 8000 feet.
Min humidity........22-32% near 6000 feet
32-42% near 8000 feet.
20-foot winds.......Downslope/downvalley 3 to 6 mph becoming
upslope/upvalley 4 to 8 mph by 1100.
CWR.................40 percent.
15K Ft MSL Winds....Southwest 10 to 15 mph.
Mixing Height.......1500 ft AGL until 1000, then 7500 ft AGL.
Transport Winds.....Southwest 5 mph.
Smoke dispersal.....Poor until 0900. Good after 1200.
.SATURDAY NIGHT...
Sky/weather.........Mostly cloudy (60-70%) until 2400, then partly
cloudy (40-50%). Near 6000 feet, scattered
showers and thunderstorms until 2400, then
isolated showers. Areas of smoke until 2400.
near 8000 feet, scattered thunderstorms until
2400. Scattered showers.
Chc of lightning....30 percent.
Min temperature.....47-57 F.
Max humidity........72-87% near 6000 feet
64-79% near 8000 feet.
20-foot winds.......Upslope/upvalley 4 to 8 mph becoming
downslope/downvalley 3 to 6 mph by sunset.
CWR.................20 percent.
15K Ft MSL Winds....West 15 to 20 mph increasing to 20 to 25 mph
after midnight.
Mixing Height.......4500 ft AGL until 1900, then 1500 ft AGL.
Transport Winds.....South 5 mph.
Smoke dispersal.....Poor.
.SUNDAY...
Sky/weather.........Near 6000 feet, mostly sunny (20-30%) until
1200, then partly cloudy (40-50%), isolated
showers until 1200, then scattered showers and
thunderstorms. Near 8000 feet, partly cloudy
(40-50%), isolated thunderstorms until 1200.
Scattered showers. Scattered thunderstorms
after 1200.
Chc of lightning....20 percent.
Max temperature.....73-83 F near 6000 feet
61-71 F near 8000 feet.
Min humidity........18-28% near 6000 feet
29-39% 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....West 15 to 20 mph.
Mixing Height.......2500 ft AGL until 1000, then 10500 ft AGL.
Transport Winds.....Southwest 5 mph until 1200, then west 10 to 15
mph.
Smoke dispersal.....Poor until 0900. Very good after 1200.
.FORECAST FOR DAY 3 THROUGH 7...
.MONDAY...Partly cloudy. Isolated showers and thunderstorms near
6000 feet and scattered showers and isolated thunderstorms near
8000 feet. Lows 47-57. Highs 76-86. Winds less than 15 mph.
.TUESDAY...Partly cloudy. Isolated showers and thunderstorms.
Lows 47-57. Highs 76-86. Southwest winds 10 to 20 mph with gusts
to 25 mph.
.WEDNESDAY...Partly cloudy. Scattered showers and thunderstorms.
Lows 48-58. Highs 73-83. Southwest winds 10 to 20 mph with gusts
to 30 mph.
.THURSDAY...Partly cloudy. Scattered showers and isolated
thunderstorms near 6000 feet and scattered showers and
thunderstorms near 8000 feet. Lows 45-55. Highs 71-81.
.FRIDAY...Partly cloudy. Scattered showers and thunderstorms.
Lows 44-54. Highs 68-78.
$$
COZ203-061245-
Lower Colorado River-
237 PM MDT Fri Sep 5 2025
.TONIGHT...
Sky/weather.........Partly cloudy (30-40%). Areas of smoke until
2400. Isolated showers and thunderstorms until
2400.
Chc of lightning....20 percent.
Min temperature.....52-62 F near 6000 feet
45-55 F near 8000 feet.
Max humidity........56-71%.
20-foot winds.......Upslope/upvalley 4 to 8 mph becoming
downslope/downvalley 3 to 6 mph by sunset.
CWR.................20 percent.
15K Ft MSL Winds....North 10 to 15 mph shifting to the southwest 5
to 10 mph after midnight.
Mixing Height.......7500 ft AGL until 1900, then 2500 ft AGL.
Transport Winds.....Southwest 5 mph until 2400, then southeast.
Smoke dispersal.....Poor.
.SATURDAY...
Sky/weather.........Partly cloudy (50-60%) until 1200, then mostly
cloudy (70-80%). Isolated thunderstorms until
1200. Scattered showers. Scattered
thunderstorms after 1200.
Chc of lightning....50 percent.
Max temperature.....73-83 F near 6000 feet
65-75 F near 8000 feet.
Min humidity........26-36%.
20-foot winds.......Downslope/downvalley 3 to 6 mph becoming
upslope/upvalley 4 to 8 mph by 1100.
CWR.................50 percent.
15K Ft MSL Winds....Southwest 10 to 15 mph.
Mixing Height.......3000 ft AGL until 1100, then 6500 ft AGL.
Transport Winds.....South 5 mph until 1200, then west.
Smoke dispersal.....Poor until 0900. Fair after 1200.
.SATURDAY NIGHT...
Sky/weather.........Mostly cloudy (60-70%) until 2400, then partly
cloudy (30-40%). Scattered showers and
thunderstorms until 2400, then isolated
showers.
Chc of lightning....40 percent.
Min temperature.....51-61 F near 6000 feet
45-55 F near 8000 feet.
Max humidity........62-77%.
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....Northwest 15 to 20 mph.
Mixing Height.......5000 ft AGL until 1900, then 2500 ft AGL.
Transport Winds.....Southeast 5 mph.
Smoke dispersal.....Poor.
.SUNDAY...
Sky/weather.........Partly cloudy (30-40%). Isolated thunderstorms
until 1200. Scattered showers. Scattered
thunderstorms after 1200.
Chc of lightning....20 percent.
Max temperature.....73-83 F near 6000 feet
65-75 F near 8000 feet.
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 15 to 20 mph.
Mixing Height.......2500 ft AGL until 1000, then 10000 ft AGL.
Transport Winds.....Southeast 5 mph until 1200, then west.
Smoke dispersal.....Poor until 0900. Good after 1200.
.FORECAST FOR DAY 3 THROUGH 7...
.MONDAY...Mostly clear. Isolated showers and thunderstorms. Lows
52-62. Highs 77-87. Winds less than 15 mph.
.TUESDAY...Mostly clear. Isolated showers and thunderstorms. Lows
52-62. Highs 77-87. Winds less than 15 mph.
.WEDNESDAY...Partly cloudy. Scattered showers and thunderstorms.
Lows 52-62. Highs 74-84. Southwest winds 10 to 20 mph with gusts
to 30 mph.
.THURSDAY...Partly cloudy. Scattered showers and thunderstorms.
Lows 50-60. Highs 73-83.
.FRIDAY...Partly cloudy. Scattered showers and thunderstorms.
Lows 49-59. Highs 69-79.
$$
COZ205-061245-
Colorado River Headwaters-
237 PM MDT Fri Sep 5 2025
.TONIGHT...
Sky/weather.........Partly cloudy (30-40%). Isolated showers and
thunderstorms until 2400. Areas of smoke.
Chc of lightning....10 percent.
Min temperature.....43-53 F.
Max humidity........67-82%.
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....Northwest 10 to 15 mph.
Mixing Height.......7500 ft AGL until 1900, then 2500 ft AGL.
Transport Winds.....West 5 mph until 2400, then south.
Smoke dispersal.....Poor.
.SATURDAY...
Sky/weather.........Partly cloudy (40-50%) until 1200, then mostly
cloudy (60-70%). Isolated thunderstorms until
1200. Scattered showers. Scattered
thunderstorms after 1200.
Chc of lightning....50 percent.
Max temperature.....68-78 F.
Min humidity........26-36%.
20-foot winds.......Downslope/downvalley 3 to 6 mph becoming
upslope/upvalley 4 to 8 mph by 1100.
CWR.................50 percent.
15K Ft MSL Winds....West 10 to 15 mph.
Mixing Height.......2500 ft AGL until 1000, then 7000 ft AGL.
Transport Winds.....West 5 mph.
Smoke dispersal.....Poor until 0900. Fair after 1200.
.SATURDAY NIGHT...
Sky/weather.........Mostly cloudy (70-80%) until 2400, then partly
cloudy (50-60%). Scattered showers and
thunderstorms until 2400, then isolated
showers.
Chc of lightning....30 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.................30 percent.
15K Ft MSL Winds....Northwest 10 to 15 mph.
Mixing Height.......2500 ft AGL.
Transport Winds.....South 5 mph.
Smoke dispersal.....Poor.
.SUNDAY...
Sky/weather.........Partly cloudy (40-50%) until 1200, then mostly
cloudy (60-70%). Isolated thunderstorms until
1200. Scattered showers. Scattered
thunderstorms after 1200.
Chc of lightning....50 percent.
Max temperature.....65-75 F.
Min humidity........30-40%.
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....West 15 to 20 mph.
Mixing Height.......3500 ft AGL until 1000, then 8500 ft AGL.
Transport Winds.....West 5 mph.
Smoke dispersal.....Poor until 0900. Good after 1200.
.FORECAST FOR DAY 3 THROUGH 7...
.MONDAY...Partly cloudy. Isolated showers and thunderstorms. Lows
42-52. Highs 67-77. Winds less than 15 mph.
.TUESDAY...Mostly clear. Isolated showers and thunderstorms. Lows
42-52. Highs 68-78. Winds less than 15 mph.
.WEDNESDAY...Partly cloudy. Scattered showers and thunderstorms.
Lows 42-52. Highs 66-76. Winds less than 15 mph.
.THURSDAY...Partly cloudy. Scattered showers and thunderstorms.
Lows 41-51. Highs 65-75.
.FRIDAY...Partly cloudy. Scattered showers and thunderstorms.
Lows 40-50. Highs 61-71.
$$
COZ290-061245-
Paradox Valley Forecast Area-
237 PM MDT Fri Sep 5 2025
.TONIGHT...
Sky/weather.........Partly cloudy (30-40%). Isolated thunderstorms
until 2400. Isolated showers.
Chc of lightning....20 percent.
Min temperature.....47-57 F near 6000 feet
44-54 F near 8000 feet.
Max humidity........58-73% near 6000 feet
73-88% 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....Northeast 10 to 15 mph shifting to the south 5
to 10 mph after midnight.
Mixing Height.......3500 ft AGL until 2000, then 1500 ft AGL.
Transport Winds.....Southeast 5 mph.
Smoke dispersal.....Poor.
.SATURDAY...
Sky/weather.........Near 6000 feet, partly cloudy (50-60%) until
1200, then mostly cloudy (70-80%), numerous
showers and scattered thunderstorms after 1200.
near 8000 feet, mostly cloudy (70-80%),
numerous showers and thunderstorms after 1200.
Scattered showers and isolated thunderstorms
until 1200.
Chc of lightning....50 percent.
Max temperature.....71-81 F near 6000 feet
59-69 F near 8000 feet.
Min humidity........29-39% near 6000 feet
38-48% near 8000 feet.
20-foot winds.......Downslope/downvalley 3 to 6 mph becoming
upslope/upvalley 4 to 8 mph by 1100.
CWR.................60 percent.
15K Ft MSL Winds....Southwest 5 to 10 mph increasing to west 15 to
20 mph in the afternoon.
Mixing Height.......3000 ft AGL until 1100, then 6500 ft AGL.
Transport Winds.....South 5 mph until 1200, then southwest.
Smoke dispersal.....Poor until 0900. Fair after 1200.
.SATURDAY NIGHT...
Sky/weather.........Mostly cloudy (60-70%) until 2400, then mostly
clear (10-20%). Scattered showers and
thunderstorms until 2400.
Chc of lightning....30 percent.
Min temperature.....46-56 F near 6000 feet
43-53 F near 8000 feet.
Max humidity........59-74% near 6000 feet
73-88% near 8000 feet.
20-foot winds.......Upslope/upvalley 4 to 8 mph becoming
downslope/downvalley 3 to 6 mph by sunset.
CWR.................20 percent.
15K Ft MSL Winds....Northwest 15 to 20 mph.
Mixing Height.......6000 ft AGL until 1900. 1500 ft AGL after 2000.
Transport Winds.....Southeast 5 mph.
Smoke dispersal.....Poor.
.SUNDAY...
Sky/weather.........Near 6000 feet, mostly sunny (20-30%), isolated
showers and thunderstorms after 1200. Near 8000
feet, mostly sunny (10-20%) until 1200, then
partly cloudy (30-40%), isolated showers.
Isolated thunderstorms after 1200.
Chc of lightning....10 percent.
Max temperature.....74-84 F near 6000 feet
62-72 F near 8000 feet.
Min humidity........19-29% near 6000 feet
25-35% near 8000 feet.
20-foot winds.......Downslope/downvalley 3 to 6 mph becoming
upslope/upvalley 4 to 8 mph by 1100.
CWR.................10 percent.
15K Ft MSL Winds....West 10 to 15 mph.
Mixing Height.......2500 ft AGL until 1000, then 10000 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...
.MONDAY...Mostly clear. Lows 52-62. Highs 79-89. Winds less than
15 mph.
.TUESDAY...Mostly clear. Isolated showers and thunderstorms. Lows
53-63. Highs 78-88. Southwest winds 10 to 20 mph with gusts to
30 mph.
.WEDNESDAY...Partly cloudy. Scattered showers and thunderstorms.
Lows 53-63. Highs 75-85. South winds 10 to 20 mph with gusts to
30 mph.
.THURSDAY...Partly cloudy. Scattered showers and thunderstorms.
Lows 51-61. Highs 73-83.
.FRIDAY...Partly cloudy. Scattered showers and thunderstorms.
Lows 50-60. Highs 71-81.
$$
COZ291-061245-
Northern San Juan Forecast Area-
237 PM MDT Fri Sep 5 2025
.TONIGHT...
Sky/weather.........Partly cloudy (40-50%). Isolated thunderstorms
until 2400. Isolated showers.
Chc of lightning....20 percent.
Min temperature.....42-52 F.
Max humidity........73-88%.
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....Northeast 5 to 10 mph shifting to the south
after midnight.
Mixing Height.......2500 ft AGL.
Transport Winds.....Southeast 5 mph.
Smoke dispersal.....Poor.
.SATURDAY...
Sky/weather.........Mostly cloudy (70-80%). Scattered showers and
thunderstorms until 1200, then showers with
numerous thunderstorms.
Chc of lightning....70 percent.
Max temperature.....59-69 F.
Min humidity........37-47%.
20-foot winds.......Downslope/downvalley 3 to 6 mph becoming
upslope/upvalley 4 to 8 mph by 1100.
CWR.................80 percent.
15K Ft MSL Winds....Southwest 5 to 10 mph increasing to west 10 to
15 mph in the afternoon.
Mixing Height.......3000 ft AGL until 1000, then 4000 ft AGL.
Transport Winds.....Southwest 5 mph.
Smoke dispersal.....Poor.
.SATURDAY NIGHT...
Sky/weather.........Mostly cloudy (60-70%) until 2400, then mostly
clear (20-30%). Scattered showers and
thunderstorms until 2400.
Chc of lightning....30 percent.
Min temperature.....42-52 F.
Max humidity........72-87%.
20-foot winds.......Upslope/upvalley 4 to 8 mph becoming
downslope/downvalley 3 to 6 mph by sunset.
CWR.................20 percent.
15K Ft MSL Winds....Northwest 15 to 20 mph.
Mixing Height.......2500 ft AGL.
Transport Winds.....South 5 mph.
Smoke dispersal.....Poor.
.SUNDAY...
Sky/weather.........Mostly sunny (20-30%) until 1200, then partly
cloudy (40-50%). Isolated showers and
thunderstorms until 1200, then scattered
showers and thunderstorms.
Chc of lightning....30 percent.
Max temperature.....61-71 F.
Min humidity........27-37%.
20-foot winds.......Downslope/downvalley 3 to 6 mph becoming
upslope/upvalley 4 to 8 mph by 1100.
CWR.................10 percent.
15K Ft MSL Winds....West 10 to 15 mph.
Mixing Height.......3500 ft AGL until 1000, then 9000 ft AGL.
Transport Winds.....West 5 mph.
Smoke dispersal.....Poor until 0900. Good after 1200.
.FORECAST FOR DAY 3 THROUGH 7...
.MONDAY...Mostly clear. Isolated showers and thunderstorms. Lows
43-53. Highs 69-79. Winds less than 15 mph.
.TUESDAY...Mostly clear. Isolated showers and thunderstorms. Lows
44-54. Highs 69-79. Winds less than 15 mph.
.WEDNESDAY...Partly cloudy. Scattered showers and thunderstorms.
Lows 44-54. Highs 65-75. Winds less than 15 mph.
.THURSDAY...Mostly cloudy. Scattered showers and thunderstorms.
Lows 43-53. Highs 64-74.
.FRIDAY...Partly cloudy. Scattered showers and thunderstorms.
Lows 42-52. Highs 63-73.
$$
COZ292-061245-
North Fork Forecast Area-
237 PM MDT Fri Sep 5 2025
.TONIGHT...
Sky/weather.........Partly cloudy (30-40%). Isolated showers and
thunderstorms until 2400.
Chc of lightning....20 percent.
Min temperature.....47-57 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.................20 percent.
15K Ft MSL Winds....Northeast 10 to 15 mph becoming southwest 5 to
10 mph after midnight.
Mixing Height.......5500 ft AGL until 1900, then 2000 ft AGL.
Transport Winds.....Southeast 5 mph.
Smoke dispersal.....Poor.
.SATURDAY...
Sky/weather.........Near 6000 feet, partly cloudy (50-60%) until
1200, then mostly cloudy (70-80%). Near 8000
feet, mostly cloudy (60-70%). Scattered showers
and isolated thunderstorms until 1200, then
numerous showers and scattered thunderstorms.
Chc of lightning....50 percent.
Max temperature.....73-83 F near 6000 feet
63-73 F near 8000 feet.
Min humidity........29-39%.
20-foot winds.......Downslope/downvalley 3 to 6 mph becoming
upslope/upvalley 4 to 8 mph by 1100.
CWR.................60 percent.
15K Ft MSL Winds....Southwest 5 to 10 mph increasing to west 10 to
15 mph in the afternoon.
Mixing Height.......3000 ft AGL until 1100, then 6000 ft AGL.
Transport Winds.....South 5 mph until 1200, then west.
Smoke dispersal.....Poor until 1200, then fair.
.SATURDAY NIGHT...
Sky/weather.........Mostly cloudy (60-70%) until 2400, then partly
cloudy (30-40%). Scattered showers and
thunderstorms until 2400. Isolated showers
after 2400.
Chc of lightning....40 percent.
Min temperature.....47-57 F near 6000 feet
43-53 F near 8000 feet.
Max humidity........68-83%.
20-foot winds.......Upslope/upvalley 4 to 8 mph becoming
downslope/downvalley 3 to 6 mph by sunset.
CWR.................20 percent.
15K Ft MSL Winds....Northwest 15 to 20 mph.
Mixing Height.......2000 ft AGL.
Transport Winds.....Southeast 5 mph.
Smoke dispersal.....Poor.
.SUNDAY...
Sky/weather.........Mostly sunny (20-30%) until 1200, then partly
cloudy (30-40%). Isolated showers and
thunderstorms.
Chc of lightning....20 percent.
Max temperature.....74-84 F near 6000 feet
64-74 F near 8000 feet.
Min humidity........24-34%.
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.
Mixing Height.......3000 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...
.MONDAY...Mostly clear. Isolated showers. Lows 51-61. Highs
79-89. Winds less than 15 mph.
.TUESDAY...Mostly clear. Isolated showers and thunderstorms. Lows
51-61. Highs 79-89. Winds less than 15 mph.
.WEDNESDAY...Partly cloudy. Scattered showers and thunderstorms.
Lows 51-61. Highs 75-85. Winds less than 15 mph.
.THURSDAY...Partly cloudy. Scattered showers and thunderstorms.
Lows 49-59. Highs 74-84.
.FRIDAY...Partly cloudy. Scattered showers and isolated
thunderstorms near 6000 feet and scattered showers and
thunderstorms near 8000 feet. Lows 48-58. Highs 71-81.
$$
COZ293-061245-
Gunnison Basin Forecast Area-
237 PM MDT Fri Sep 5 2025
.TONIGHT...
Sky/weather.........Partly cloudy (40-50%). Scattered showers and
thunderstorms until 2400.
Chc of lightning....30 percent.
Min temperature.....42-52 F.
Max humidity........76-91%.
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....North 10 to 15 mph becoming northwest 5 to 10
mph after midnight.
Mixing Height.......5000 ft AGL until 1900, then 2500 ft AGL.
Transport Winds.....South 5 mph until 2400, then east.
Smoke dispersal.....Poor.
.SATURDAY...
Sky/weather.........Partly cloudy (40-50%) until 1200, then mostly
cloudy (60-70%). Scattered showers and isolated
thunderstorms until 1200, then numerous showers
and scattered thunderstorms.
Chc of lightning....50 percent.
Max temperature.....66-76 F.
Min humidity........30-40%.
20-foot winds.......Downslope/downvalley 3 to 6 mph becoming
upslope/upvalley 4 to 8 mph by 1100.
CWR.................60 percent.
15K Ft MSL Winds....West 5 to 10 mph.
Mixing Height.......3500 ft AGL until 1100, then 6000 ft AGL.
Transport Winds.....West 5 mph.
Smoke dispersal.....Poor until 0900. Fair after 1200.
.SATURDAY NIGHT...
Sky/weather.........Mostly cloudy (70-80%) until 2400, then partly
cloudy (40-50%). Scattered showers and
thunderstorms until 2400, then isolated
showers.
Chc of lightning....30 percent.
Min temperature.....41-51 F.
Max humidity........74-89%.
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....Northwest 15 to 20 mph.
Mixing Height.......2000 ft AGL.
Transport Winds.....North 5 mph until 2400, then east.
Smoke dispersal.....Poor.
.SUNDAY...
Sky/weather.........Partly cloudy (40-50%). Isolated thunderstorms
until 1200. Scattered showers. Scattered
thunderstorms after 1200.
Chc of lightning....20 percent.
Max temperature.....67-77 F.
Min humidity........27-37%.
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 15 to 20 mph.
Mixing Height.......9500 ft AGL.
Transport Winds.....West 5 mph.
Smoke dispersal.....Poor until 0900. Good after 1200.
.FORECAST FOR DAY 3 THROUGH 7...
.MONDAY...Mostly clear. Isolated showers and thunderstorms. Lows
41-51. Highs 69-79. Winds less than 15 mph.
.TUESDAY...Mostly clear. Isolated showers and thunderstorms. Lows
41-51. Highs 69-79. Winds less than 15 mph.
.WEDNESDAY...Partly cloudy. Scattered showers and thunderstorms.
Lows 41-51. Highs 65-75. Winds less than 15 mph.
.THURSDAY...Partly cloudy. Scattered showers and thunderstorms.
Lows 40-50. Highs 65-75.
.FRIDAY...Partly cloudy. Scattered showers and thunderstorms.
Lows 39-49. Highs 62-72.
$$
COZ207-061245-
Southwest Colorado Lower Forecast Area-
237 PM MDT Fri Sep 5 2025
.TONIGHT...
Sky/weather.........Partly cloudy (30-40%). Isolated showers and
thunderstorms.
Chc of lightning....10 percent.
Min temperature.....50-60 F.
Max humidity........72-87%.
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....Northeast 5 to 10 mph shifting to the southeast
after midnight.
Mixing Height.......6000 ft AGL until 2000, then 1500 ft AGL.
Transport Winds.....East 5 mph.
Smoke dispersal.....Poor.
.SATURDAY...
Sky/weather.........Partly cloudy (50-60%) until 1200, then mostly
cloudy (60-70%). Isolated thunderstorms until
1200. Scattered showers. Scattered
thunderstorms after 1200.
Chc of lightning....50 percent.
Max temperature.....70-80 F.
Min humidity........28-38%.
20-foot winds.......Downslope/downvalley 3 to 6 mph becoming
upslope/upvalley 4 to 8 mph by 1100.
CWR.................60 percent.
15K Ft MSL Winds....Southwest 5 to 10 mph increasing to west 10 to
15 mph in the afternoon.
Mixing Height.......3000 ft AGL until 1100, then 7500 ft AGL.
Transport Winds.....Southeast 5 to 10 mph until 1200, then west.
Smoke dispersal.....Poor until 0900. Fair after 1200.
.SATURDAY NIGHT...
Sky/weather.........Partly cloudy (30-40%). Isolated showers and
thunderstorms until 2400.
Chc of lightning....10 percent.
Min temperature.....49-59 F.
Max humidity........68-83%.
20-foot winds.......Upslope/upvalley 4 to 8 mph becoming
downslope/downvalley 3 to 6 mph by sunset.
CWR.................20 percent.
15K Ft MSL Winds....Northwest 15 to 20 mph.
Mixing Height.......5500 ft AGL until 2000, then 1500 ft AGL.
Transport Winds.....East 5 mph.
Smoke dispersal.....Poor.
.SUNDAY...
Sky/weather.........Mostly sunny (20-30%). Isolated showers and
thunderstorms after 1200.
Chc of lightning....0 percent.
Max temperature.....76-86 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....West 10 to 15 mph.
Mixing Height.......2000 ft AGL until 1000, then 9500 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...
.MONDAY...Clear. Lows 49-59. Highs 80-90. Winds less than 15 mph.
.TUESDAY...Mostly clear. Isolated showers and thunderstorms. Lows
50-60. Highs 79-89. Winds less than 15 mph.
.WEDNESDAY...Partly cloudy. Scattered showers and thunderstorms.
Lows 51-61. Highs 76-86. South winds 10 to 20 mph with gusts to
30 mph.
.THURSDAY...Partly cloudy. Scattered showers and thunderstorms.
Lows 48-58. Highs 75-85.
.FRIDAY...Partly cloudy. Scattered showers and thunderstorms.
Lows 47-57. Highs 73-83.
$$
COZ294-061245-
Southwest Colorado Upper West Forecast Area-
237 PM MDT Fri Sep 5 2025
.TONIGHT...
Sky/weather.........Partly cloudy (40-50%). Isolated showers and
thunderstorms.
Chc of lightning....20 percent.
Min temperature.....45-55 F.
Max humidity........80-95%.
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....Northeast 5 to 10 mph shifting to the south
after midnight.
Mixing Height.......4000 ft AGL until 1900, then 1500 ft AGL.
Transport Winds.....Northeast 5 mph until 2400, then southeast.
Smoke dispersal.....Poor.
.SATURDAY...
Sky/weather.........Mostly cloudy (70-80%). Scattered showers and
thunderstorms until 1200, then numerous showers
and thunderstorms.
Chc of lightning....70 percent.
Max temperature.....61-71 F.
Min humidity........40-50%.
20-foot winds.......Downslope/downvalley 3 to 6 mph becoming
upslope/upvalley 4 to 8 mph by 1100.
CWR.................80 percent.
15K Ft MSL Winds....West 10 to 15 mph.
Mixing Height.......2000 ft AGL until 1000, then 5000 ft AGL.
Transport Winds.....South 5 mph until 1200, then west.
Smoke dispersal.....Poor.
.SATURDAY NIGHT...
Sky/weather.........Mostly cloudy (60-70%) until 2400, then mostly
clear (20-30%). Isolated showers and
thunderstorms until 2400.
Chc of lightning....20 percent.
Min temperature.....44-54 F.
Max humidity........78-93%.
20-foot winds.......Upslope/upvalley 4 to 8 mph becoming
downslope/downvalley 3 to 6 mph by sunset.
CWR.................20 percent.
15K Ft MSL Winds....Northwest 15 to 20 mph.
Mixing Height.......3000 ft AGL until 2000, then 1000 ft AGL.
Transport Winds.....Northeast 5 mph.
Smoke dispersal.....Poor.
.SUNDAY...
Sky/weather.........Mostly sunny (10-20%) until 1200, then partly
cloudy (30-40%). Isolated showers and
thunderstorms after 1200.
Chc of lightning....10 percent.
Max temperature.....65-75 F.
Min humidity........25-35%.
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 10 to 15 mph.
Mixing Height.......2500 ft AGL until 1000, then 9000 ft AGL.
Transport Winds.....West 5 mph.
Smoke dispersal.....Poor until 0900. Good after 1200.
.FORECAST FOR DAY 3 THROUGH 7...
.MONDAY...Mostly clear. Lows 42-52. Highs 69-79. Winds less than
15 mph.
.TUESDAY...Mostly clear. Isolated showers and thunderstorms. Lows
43-53. Highs 69-79. Winds less than 15 mph.
.WEDNESDAY...Mostly cloudy. Scattered showers and thunderstorms.
Lows 44-54. Highs 65-75. Winds less than 15 mph.
.THURSDAY...Partly cloudy. Scattered showers and thunderstorms.
Lows 42-52. Highs 64-74.
.FRIDAY...Partly cloudy. Scattered showers and thunderstorms.
Lows 41-51. Highs 63-73.
$$
COZ295-061245-
Southwest Colorado Upper East Forecast Area-
237 PM MDT Fri Sep 5 2025
.TONIGHT...
Sky/weather.........Mostly cloudy (60-70%) until 2400, then partly
cloudy (50-60%). Scattered showers and
thunderstorms until 2400, then isolated showers
and thunderstorms.
Chc of lightning....40 percent.
Min temperature.....42-52 F.
Max humidity........86-100%.
20-foot winds.......Upslope/upvalley 4 to 8 mph becoming
downslope/downvalley 3 to 6 mph by sunset.
CWR.................20 percent.
15K Ft MSL Winds....North 5 to 10 mph shifting to the southwest 5
mph after midnight.
Mixing Height.......2500 ft AGL.
Transport Winds.....Northeast 5 mph.
Smoke dispersal.....Poor.
.SATURDAY...
Sky/weather.........Mostly cloudy (70-80%). Scattered showers and
thunderstorms until 1200, then numerous showers
and thunderstorms.
Chc of lightning....70 percent.
Max temperature.....65-75 F.
Min humidity........38-48%.
20-foot winds.......Downslope/downvalley 3 to 6 mph becoming
upslope/upvalley 4 to 8 mph by 1100.
CWR.................80 percent.
15K Ft MSL Winds....West 5 to 10 mph increasing to 10 to 15 mph in
the afternoon.
Mixing Height.......3500 ft AGL until 1100, then 5000 ft AGL.
Transport Winds.....Northwest 5 mph until 1200, then west.
Smoke dispersal.....Poor.
.SATURDAY NIGHT...
Sky/weather.........Partly cloudy (40-50%). Isolated showers and
thunderstorms until 2400.
Chc of lightning....20 percent.
Min temperature.....40-50 F.
Max humidity........76-91%.
20-foot winds.......Upslope/upvalley 4 to 8 mph becoming
downslope/downvalley 3 to 6 mph by sunset.
CWR.................20 percent.
15K Ft MSL Winds....Northwest 15 to 20 mph.
Mixing Height.......2500 ft AGL.
Transport Winds.....North 5 mph.
Smoke dispersal.....Poor.
.SUNDAY...
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.....70-80 F.
Min humidity........25-35%.
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 1000, then 9500 ft AGL.
Transport Winds.....Northwest 5 mph.
Smoke dispersal.....Poor until 0900. Good after 1200.
.FORECAST FOR DAY 3 THROUGH 7...
.MONDAY...Mostly clear. Isolated showers. Lows 41-51. Highs
71-81. Winds less than 15 mph.
.TUESDAY...Mostly clear. Isolated showers and thunderstorms. Lows
42-52. Highs 70-80. Winds less than 15 mph.
.WEDNESDAY...Mostly cloudy. Scattered showers and thunderstorms.
Lows 42-52. Highs 65-75. Winds less than 15 mph.
.THURSDAY...Mostly cloudy. Scattered showers and thunderstorms.
Lows 41-51. Highs 65-75.
.FRIDAY...Partly cloudy. Scattered showers and thunderstorms.
Lows 41-51. Highs 64-74.
$$
UTZ485-061245-
Eastern Ashley National Forest-
237 PM MDT Fri Sep 5 2025
.TONIGHT...
Sky/weather.........Mostly clear (20-30%). Areas of smoke after
2400. Isolated showers and thunderstorms until
2400.
Chc of lightning....10 percent.
Min temperature.....47-57 F near 7000 feet
37-47 F near 10000 feet.
24 hr trend......5 degrees warmer.
Max humidity........57-67% near 7000 feet
69-84% near 10000 feet.
24 hr trend......15% 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 1500 ft AGL.
Transport Winds.....West 5 mph.
Clearing Index......950 until 1900. Less than 500 after 2000.
.SATURDAY...
Sky/weather.........Partly cloudy (30-40%) until 1200, then mostly
cloudy (60-70%). Near 7000 feet, isolated
thunderstorms until 1200. Scattered showers.
Scattered thunderstorms after 1200. Areas of
smoke. Near 10000 feet, scattered showers and
isolated thunderstorms until 1200, numerous
showers and scattered thunderstorms after 1200.
Chc of lightning....40 percent.
Max temperature.....67-77 F near 7000 feet
55-65 F near 10000 feet.
24 hr trend......4 degrees warmer.
Min humidity........28-38% near 7000 feet
37-47% near 10000 feet.
24 hr trend......5% wetter.
20-foot winds.......Downslope/downvalley 3 to 6 mph becoming
upslope/upvalley 4 to 8 mph by 1100.
CWR.................40 percent.
Mixing Height.......2500 ft AGL until 1100, then 5000 ft AGL.
Transport Winds.....West 5 mph.
Clearing Index......Less than 500 until 1200, then 900 until 1700,
then 650.
.SATURDAY NIGHT...
Sky/weather.........Mostly cloudy (70-80%) until 2400, then partly
cloudy (40-50%). Near 7000 feet, areas of smoke
until 2400, isolated showers and thunderstorms
until 2400. Near 10000 feet, scattered showers
and isolated thunderstorms until 2400.
Chc of lightning....20 percent.
Min temperature.....45-55 F near 7000 feet
35-45 F near 10000 feet.
24 hr trend......3 degrees warmer.
Max humidity........65-80% near 7000 feet
79-94% near 10000 feet.
24 hr trend......12% wetter.
20-foot winds.......Upslope/upvalley 4 to 8 mph becoming
downslope/downvalley 3 to 6 mph by sunset.
CWR.................10 percent.
Mixing Height.......2000 ft AGL.
Transport Winds.....Southwest 5 mph.
Clearing Index......Less than 500.
.SUNDAY...
Sky/weather.........Near 7000 feet, mostly sunny (20-30%) until
1200, then partly cloudy (50-60%). Near 10000
feet, partly cloudy (30-40%) until 1200, then
mostly cloudy (60-70%). Scattered showers and
thunderstorms after 1200.
Chc of lightning....20 percent.
Max temperature.....65-75 F near 7000 feet
55-65 F near 10000 feet.
24 hr trend......1 degree cooler.
Min humidity........29-39% near 7000 feet
38-48% near 10000 feet.
24 hr trend......3% wetter.
20-foot winds.......Upslope/upvalley winds 4 to 8 mph. Localized
gusts up to 20 mph in the afternoon.
CWR.................10 percent.
Mixing Height.......2500 ft AGL until 1000, then 6500 ft AGL.
Transport Winds.....West 5 mph.
Clearing Index......Less than 500 until 1100, then 700 until 1200,
then 900 until 1700, then 650.
.FORECAST FOR DAY 3 THROUGH 7...
.MONDAY...Partly cloudy. Isolated showers and thunderstorms .
Lows 46-56. Highs 69-79. Winds less than 15 mph.
.TUESDAY...Partly cloudy. Isolated showers and thunderstorms near
7000 feet and scattered showers and thunderstorms near 10000 feet
. Lows 47-57. Highs 67-77. Winds less than 15 mph.
.WEDNESDAY...Partly cloudy. Scattered showers and thunderstorms .
Lows 46-56. Highs 64-74. South winds 10 to 20 mph with gusts to
30 mph.
.THURSDAY...Partly cloudy. Scattered showers and thunderstorms .
Lows 44-54. Highs 63-73.
.FRIDAY...Partly cloudy near 7000 feet and mostly cloudy near
10000 feet and scattered showers and thunderstorms . Lows 42-52.
Highs 60-70.
$$
UTZ486-061245-
Eastern Uinta Basin-
237 PM MDT Fri Sep 5 2025
.TONIGHT...
Sky/weather.........Mostly clear (20-30%). Near 5000 feet, areas of
smoke until 2400. Near 8000 feet, areas of
smoke. Isolated showers and thunderstorms until
2400.
Chc of lightning....10 percent.
Min temperature.....49-59 F near 5000 feet
42-52 F near 8000 feet.
24 hr trend......Unchanged.
Max humidity........52-62%.
24 hr trend......8% wetter.
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.....West 5 to 10 mph until 2400, then northeast.
Clearing Index......950 until 1900. Less than 500 after 2000.
.SATURDAY...
Sky/weather.........Near 5000 feet, partly cloudy (50-60%). Near
8000 feet, partly cloudy (30-40%) until 1200,
then mostly cloudy (60-70%). Areas of smoke
after 1200. Isolated showers and thunderstorms
until 1200. Scattered showers and thunderstorms
after 1200.
Chc of lightning....30 percent.
Max temperature.....73-83 F near 5000 feet
62-72 F near 8000 feet.
24 hr trend......Unchanged.
Min humidity........24-34%.
24 hr trend......3% wetter.
20-foot winds.......Downslope/downvalley 3 to 6 mph becoming
upslope/upvalley 4 to 8 mph by 1100.
CWR.................20 percent.
Mixing Height.......3000 ft AGL until 1100, then 9500 ft AGL until
1700, then 5500 ft AGL.
Transport Winds.....Southwest 5 mph.
Clearing Index......Less than 500 until 1200. 950 after 1500.
.SATURDAY NIGHT...
Sky/weather.........Mostly cloudy (60-70%) until 2400, then partly
cloudy (40-50%). Areas of smoke until 2400.
Scattered showers and isolated thunderstorms
until 2400. Isolated showers after 2400.
Chc of lightning....20 percent.
Min temperature.....48-58 F near 5000 feet
42-52 F near 8000 feet.
24 hr trend......2 degrees cooler.
Max humidity........61-76%.
24 hr trend......14% 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.....Northwest 5 mph.
Clearing Index......Less than 500.
.SUNDAY...
Sky/weather.........Mostly sunny (20-30%) until 1200, then partly
cloudy (40-50%). Near 5000 feet, isolated
showers and thunderstorms after 1200. Near 8000
feet, scattered showers and thunderstorms
after 1200.
Chc of lightning....20 percent.
Max temperature.....72-82 F near 5000 feet
58-68 F near 8000 feet.
24 hr trend......Unchanged.
Min humidity........23-33% near 5000 feet
30-40% near 8000 feet.
24 hr trend......2% drier.
20-foot winds.......Upslope/upvalley winds 4 to 8 mph. Localized
gusts up to 20 mph in the afternoon.
CWR.................10 percent.
Mixing Height.......2500 ft AGL until 1000, then 9000 ft AGL.
Transport Winds.....West 5 mph.
Clearing Index......Less than 500 until 1100. 1050 after 1200.
.FORECAST FOR DAY 3 THROUGH 7...
.MONDAY...Mostly clear. Isolated showers and thunderstorms . Lows
51-61. Highs 74-84. Winds less than 15 mph.
.TUESDAY...Partly cloudy. Isolated showers and thunderstorms .
Lows 52-62. Highs 72-82. Winds less than 15 mph.
.WEDNESDAY...Partly cloudy. Scattered showers and isolated
thunderstorms near 6000 feet and scattered showers and isolated
thunderstorms near 8000 feet. Lows 51-61. Highs 70-80. Southwest
winds 10 to 20 mph with gusts to 30 mph.
.THURSDAY...Partly cloudy. Scattered showers and isolated
thunderstorms near 6000 feet and scattered showers and isolated
thunderstorms near 8000 feet. Lows 49-59. Highs 68-78.
.FRIDAY...Partly cloudy. Scattered showers and isolated
thunderstorms near 6000 feet and scattered showers and
thunderstorms near 8000 feet. Lows 47-57. Highs 65-75.
$$
UTZ487-061245-
Book Cliffs-
237 PM MDT Fri Sep 5 2025
.TONIGHT...
Sky/weather.........Partly cloudy (30-40%). Near 5000 feet,
isolated showers and thunderstorms until 2400.
near 8000 feet, scattered showers and isolated
thunderstorms until 2400, isolated showers after
2400.
Chc of lightning....10 percent.
Min temperature.....51-61 F near 5000 feet
45-55 F near 8000 feet.
24 hr trend......3 degrees cooler.
Max humidity........57-67% near 5000 feet
61-76% near 8000 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.......5000 ft AGL until 2000, then 1000 ft AGL.
Transport Winds.....Southwest 5 to 10 mph.
Clearing Index......550 until 2000, then less than 500.
.SATURDAY...
Sky/weather.........Partly cloudy (40-50%) until 1200, then mostly
cloudy (60-70%). Isolated thunderstorms until
1200. Scattered showers. Scattered
thunderstorms after 1200.
Chc of lightning....50 percent.
Max temperature.....68-78 F near 5000 feet
63-73 F near 8000 feet.
24 hr trend......3 degrees cooler.
Min humidity........26-36% near 5000 feet
36-46% near 8000 feet.
24 hr trend......10% wetter.
20-foot winds.......Downslope/downvalley 3 to 6 mph becoming
upslope/upvalley 4 to 8 mph by 1100.
CWR.................50 percent.
Mixing Height.......1500 ft AGL until 1000, then 5000 ft AGL.
Transport Winds.....Southwest 5 mph.
Clearing Index......Less than 500 until 1100, then 650 until 1200,
then 1000 until 1700, then 750.
.SATURDAY NIGHT...
Sky/weather.........Mostly cloudy (60-70%) until 2400, then partly
cloudy (30-40%). Scattered showers and isolated
thunderstorms until 2400.
Chc of lightning....20 percent.
Min temperature.....51-61 F near 5000 feet
45-55 F near 8000 feet.
24 hr trend......1 degree warmer.
Max humidity........63-78%.
24 hr trend......8% wetter.
20-foot winds.......Upslope/upvalley 4 to 8 mph becoming
downslope/downvalley 3 to 6 mph by sunset.
CWR.................20 percent.
Mixing Height.......3500 ft AGL until 2000, then 1500 ft AGL.
Transport Winds.....South 5 mph.
Clearing Index......Less than 500.
.SUNDAY...
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.....73-83 F near 5000 feet
66-76 F near 8000 feet.
24 hr trend......2 degrees warmer.
Min humidity........19-29%.
24 hr trend......7% drier.
20-foot winds.......Upslope/upvalley winds 4 to 8 mph. Localized
gusts up to 20 mph in the afternoon.
CWR.................10 percent.
Mixing Height.......2000 ft AGL until 1000, then 9000 ft AGL.
Transport Winds.....Southwest 5 mph.
Clearing Index......Less than 500 until 1100. 1050 after 1300.
.FORECAST FOR DAY 3 THROUGH 7...
.MONDAY...Mostly clear. Isolated showers and thunderstorms . Lows
51-61. Highs 77-87. Winds less than 15 mph.
.TUESDAY...Partly cloudy. Isolated showers and thunderstorms.
Lows 52-62. Highs 75-85. Southwest winds 10 to 20 mph with gusts
to 30 mph.
.WEDNESDAY...Partly cloudy. Scattered showers and thunderstorms .
Lows 52-62. Highs 72-82. South winds 10 to 20 mph with gusts to
30 mph.
.THURSDAY...Partly cloudy. Scattered showers and thunderstorms.
Lows 48-58. Highs 70-80.
.FRIDAY...Partly cloudy. Scattered showers and thunderstorms .
Lows 46-56. Highs 67-77.
$$
UTZ490-061245-
Colorado River Basin-
237 PM MDT Fri Sep 5 2025
.TONIGHT...
Sky/weather.........Partly cloudy (30-40%). Near 5000 feet,
isolated showers and thunderstorms. Near 7000
feet, isolated thunderstorms until 2400.
Isolated showers.
Chc of lightning....20 percent.
Min temperature.....56-66 F near 5000 feet
50-60 F near 7000 feet.
24 hr trend......1 degree warmer.
Max humidity........52-62%.
24 hr trend......2% wetter.
20-foot winds.......Upslope/upvalley 4 to 8 mph becoming
downslope/downvalley 3 to 6 mph by sunset.
CWR.................10 percent.
Mixing Height.......7000 ft AGL until 2000, then 1500 ft AGL.
Transport Winds.....East 5 mph.
Clearing Index......Less than 500.
.SATURDAY...
Sky/weather.........Partly cloudy (50-60%) until 1200, then mostly
cloudy (60-70%). Isolated thunderstorms until
1200. Scattered showers. Scattered
thunderstorms after 1200.
Chc of lightning....50 percent.
Max temperature.....79-89 F near 5000 feet
67-77 F near 7000 feet.
24 hr trend......2 degrees cooler.
Min humidity........24-34% near 5000 feet
30-40% near 7000 feet.
24 hr trend......5% wetter.
20-foot winds.......Downslope/downvalley 3 to 6 mph becoming
upslope/upvalley 4 to 8 mph by 1100.
CWR.................40 percent.
Mixing Height.......2500 ft AGL until 1100, then 7500 ft AGL.
Transport Winds.....Southeast 5 mph until 1200, then southwest.
Clearing Index......Less than 500 until 1200. 1050 after 1300.
.SATURDAY NIGHT...
Sky/weather.........Partly cloudy (40-50%). Scattered showers and
isolated thunderstorms until 2400.
Chc of lightning....20 percent.
Min temperature.....54-64 F.
24 hr trend......2 degrees cooler.
Max humidity........55-70%.
24 hr trend......5% wetter.
20-foot winds.......Downslope/downvalley winds 3 to 6 mph.
Localized gusts up to 20 mph in the evening.
CWR.................20 percent.
Mixing Height.......5000 ft AGL until 1900, then 1500 ft AGL.
Transport Winds.....Northeast 5 mph.
Clearing Index......550 until 1900, then less than 500.
.SUNDAY...
Sky/weather.........Mostly sunny (10-20%). Isolated showers and
thunderstorms after 1200.
Chc of lightning....10 percent.
Max temperature.....81-91 F near 5000 feet
70-80 F near 7000 feet.
24 hr trend......3 degrees warmer.
Min humidity........16-26%.
24 hr trend......8% drier.
20-foot winds.......Downslope/downvalley 3 to 6 mph becoming
upslope/upvalley 4 to 8 mph by 1100.
CWR.................10 percent.
Mixing Height.......3000 ft AGL until 1100, then 10000 ft AGL.
Transport Winds.....East 5 mph until 1200, then southwest.
Clearing Index......Less than 500 until 1200. 1050 after 1400.
.FORECAST FOR DAY 3 THROUGH 7...
.MONDAY...Mostly clear. Isolated showers near 5000 feet and
isolated showers and thunderstorms near 7000 feet. Lows 57-67.
Highs 82-92. Winds less than 15 mph.
.TUESDAY...Mostly clear. Isolated showers and thunderstorms .
Lows 57-67. Highs 82-92. Winds less than 15 mph.
.WEDNESDAY...Partly cloudy. Scattered showers and isolated
thunderstorms near 5000 feet and scattered showers and
thunderstorms near 7000 feet. Lows 56-66. Highs 78-88. South
winds 10 to 20 mph with gusts to 30 mph.
.THURSDAY...Partly cloudy. Scattered showers and thunderstorms .
Lows 53-63. Highs 76-86.
.FRIDAY...Partly cloudy. Scattered showers and isolated
thunderstorms near 5000 feet and scattered showers and
thunderstorms near 7000 feet. Lows 52-62. Highs 74-84.
$$
UTZ491-061245-
Southeast Utah-
237 PM MDT Fri Sep 5 2025
.TONIGHT...
Sky/weather.........Partly cloudy (40-50%). Isolated showers and
thunderstorms.
Chc of lightning....10 percent.
Min temperature.....56-66 F near 5000 feet
47-57 F near 8000 feet.
24 hr trend......3 degrees warmer.
Max humidity........59-74% near 5000 feet
65-80% near 8000 feet.
24 hr trend......24% drier.
20-foot winds.......Upslope/upvalley 4 to 8 mph becoming
downslope/downvalley 3 to 6 mph by sunset.
CWR.................10 percent.
Mixing Height.......8000 ft AGL until 2000, then 1000 ft AGL.
Transport Winds.....Northeast 5 mph until 2400, then east.
Clearing Index......550 until 2000, then less than 500.
.SATURDAY...
Sky/weather.........Near 5000 feet, partly cloudy (40-50%),
isolated thunderstorms until 1200. Scattered
showers. Scattered thunderstorms after 1200.
near 8000 feet, mostly cloudy (70-80%),
scattered showers and isolated thunderstorms
until 1200, then numerous showers and scattered
thunderstorms.
Chc of lightning....40 percent.
Max temperature.....78-88 F near 5000 feet
61-71 F near 8000 feet.
24 hr trend......Unchanged.
Min humidity........25-35% near 5000 feet
38-48% near 8000 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.................50 percent.
Mixing Height.......9500 ft AGL.
Transport Winds.....Southeast 5 to 10 mph until 1200, then west.
Clearing Index......Less than 500 until 1200, then 1050.
.SATURDAY NIGHT...
Sky/weather.........Partly cloudy (30-40%). Near 5000 feet,
isolated showers and thunderstorms until 2400.
near 8000 feet, scattered showers and isolated
thunderstorms until 2400.
Chc of lightning....10 percent.
Min temperature.....55-65 F near 5000 feet
47-57 F near 8000 feet.
24 hr trend......2 degrees cooler.
Max humidity........58-73%.
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.......7500 ft AGL until 2000, then 1500 ft AGL.
Transport Winds.....Northeast 5 to 10 mph until 2400, then
southeast.
Clearing Index......850 until 2000, then less than 500.
.SUNDAY...
Sky/weather.........Near 5000 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....0 percent.
Max temperature.....80-90 F near 5000 feet
65-75 F near 8000 feet.
24 hr trend......3 degrees warmer.
Min humidity........17-27% near 5000 feet
24-34% near 8000 feet.
24 hr trend......7% drier.
20-foot winds.......Downslope/downvalley 3 to 6 mph becoming
upslope/upvalley 4 to 8 mph by 1100.
CWR.................0 percent.
Mixing Height.......2000 ft AGL until 1000, then 10000 ft AGL.
Transport Winds.....Southwest 5 mph.
Clearing Index......Less than 500 until 1100. 1050 after 1400.
.FORECAST FOR DAY 3 THROUGH 7...
.MONDAY...Clear. Lows 56-66. Highs 82-92. Winds less than 15 mph.
.TUESDAY...Mostly clear. Isolated showers and thunderstorms .
Lows 57-67. Highs 81-91. Winds less than 15 mph.
.WEDNESDAY...Partly cloudy. Scattered showers and thunderstorms .
Lows 55-65. Highs 78-88. South winds 10 to 20 mph with gusts to
30 mph.
.THURSDAY...Partly cloudy. Scattered showers and isolated
thunderstorms near 5000 feet and scattered showers and
thunderstorms near 8000 feet. Lows 53-63. Highs 77-87.
.FRIDAY...Partly cloudy. Isolated showers and thunderstorms near
5000 feet and scattered showers and thunderstorms near 8000 feet
. Lows 51-61. Highs 76-86.
$$