Routine Fire Wx Fcst (With/Without 6-10 Day Outlook)
Issued by NWS Grand Junction, CO
Issued by NWS Grand Junction, CO
910
FNUS55 KGJT 181903
FWFGJT
Fire Weather Planning Forecast for Wrn Colorado and Ern Utah
National Weather Service Grand Junction CO
103 PM MDT Fri Sep 18 2026
.DISCUSSION...Critical fire weather conditions are not expected
through the next seven days as monsoonal moisture continues to
slosh around 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...
COZ200-191115-
Little Snake Forecast Area-
103 PM MDT Fri Sep 18 2026
.TODAY...
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.....64-74 F near 6000 feet
57-67 F near 8000 feet.
Min humidity........39-49% near 6000 feet
50-60% 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 15 to 20 mph increasing to 20 to 25
mph in the afternoon.
Mixing Height.......1500 ft AGL until 1100, then 5500 ft AGL.
Transport Winds.....Southwest 5 to 10 mph.
Smoke dispersal.....Poor until 0900. Fair after 1200.
.TONIGHT...
Sky/weather.........Mostly cloudy (70-80%). Numerous showers and
scattered thunderstorms until 2400. Scattered
showers and isolated thunderstorms after 2400.
Chc of lightning....50 percent.
Min temperature.....45-55 F.
Max humidity........84-99%.
20-foot winds.......Upslope/upvalley 4 to 8 mph becoming
downslope/downvalley 3 to 6 mph by sunset.
CWR.................70 percent.
15K Ft MSL Winds....Southwest 20 to 30 mph increasing to 25 to 35
mph after midnight.
Mixing Height.......3500 ft AGL until 1900, then 1500 ft AGL.
Transport Winds.....West 5 to 10 mph until 2400, then south.
Smoke dispersal.....Poor.
.SATURDAY...
Sky/weather.........Mostly cloudy (60-70%). Isolated thunderstorms
until 1200. Scattered showers. Scattered
thunderstorms after 1200.
Chc of lightning....40 percent.
Max temperature.....60-70 F near 6000 feet
52-62 F near 8000 feet.
Min humidity........37-47% near 6000 feet
48-58% 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 20 to 30 mph.
Mixing Height.......1500 ft AGL until 1100, then 5500 ft AGL.
Transport Winds.....South 5 mph until 1200, then southwest 10 to 15
mph.
Smoke dispersal.....Poor until 0900. Good after 1200.
.FORECAST FOR DAY 3 THROUGH 7...
.SUNDAY...Partly cloudy. Scattered showers and isolated
thunderstorms near 6000 feet and scattered showers and isolated
thunderstorms near 8000 feet. Lows 39-49. Highs 63-73. Winds less
than 15 mph.
.MONDAY...Mostly clear. Lows 39-49. Highs 68-78. Winds less than
15 mph.
.TUESDAY...Partly cloudy. Isolated showers and thunderstorms.
Lows 42-52. Highs 69-79. 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 43-53. Highs 67-77.
.THURSDAY...Partly cloudy. Lows 43-53. Highs 70-80.
$$
COZ201-191115-
Routt Forecast Area-
103 PM MDT Fri Sep 18 2026
.TODAY...
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.....59-69 F.
Min humidity........43-53%.
20-foot winds.......Upslope/upvalley winds 4 to 8 mph. Localized
gusts up to 20 mph in the afternoon.
CWR.................50 percent.
15K Ft MSL Winds....Southwest 15 to 20 mph.
Mixing Height.......5500 ft AGL.
Transport Winds.....Southwest 5 mph.
Smoke dispersal.....Poor until 0900. Fair after 1200.
.TONIGHT...
Sky/weather.........Partly cloudy (50-60%) until 2400, then mostly
cloudy (60-70%). Scattered showers and
thunderstorms until 2400, then numerous showers
and isolated thunderstorms.
Chc of lightning....50 percent.
Min temperature.....40-50 F.
Max humidity........82-97%.
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....Southwest 20 to 30 mph.
Mixing Height.......4000 ft AGL until 1900, then 1000 ft AGL.
Transport Winds.....South 5 mph.
Smoke dispersal.....Poor.
.SATURDAY...
Sky/weather.........Mostly cloudy (70-80%). Isolated thunderstorms
until 1200. Numerous showers. Scattered
thunderstorms after 1200.
Chc of lightning....50 percent.
Max temperature.....56-66 F.
Min humidity........44-54%.
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 20 to 30 mph.
Mixing Height.......1500 ft AGL until 1000, then 5000 ft AGL.
Transport Winds.....South 5 to 10 mph until 1200, then southwest 15
to 20 mph.
Smoke dispersal.....Poor until 1200, then good until 1500, then
fair.
.FORECAST FOR DAY 3 THROUGH 7...
.SUNDAY...Partly cloudy. Scattered showers and isolated
thunderstorms. Lows 35-45. Highs 54-64. Winds less than 15 mph.
.MONDAY...Mostly clear. Lows 33-43. Highs 61-71. Winds less than
15 mph.
.TUESDAY...Mostly clear. Isolated showers and thunderstorms. Lows
37-47. Highs 62-72. Winds less than 15 mph.
.WEDNESDAY...Partly cloudy. Scattered showers and isolated
thunderstorms. Lows 39-49. Highs 60-70.
.THURSDAY...Partly cloudy. Isolated showers and thunderstorms.
Lows 38-48. Highs 63-73.
$$
COZ202-191115-
White River Forecast Area-
103 PM MDT Fri Sep 18 2026
.TODAY...
Sky/weather.........Near 6000 feet, partly cloudy (40-50%) until
1200, then mostly cloudy (60-70%). Near 8000
feet, partly cloudy (40-50%). Isolated
thunderstorms until 1200. Scattered showers.
Scattered thunderstorms after 1200.
Chc of lightning....40 percent.
Max temperature.....67-77 F near 6000 feet
58-68 F near 8000 feet.
Min humidity........39-49% near 6000 feet
46-56% near 8000 feet.
20-foot winds.......Upslope/upvalley winds 4 to 8 mph. Localized
gusts up to 20 mph.
CWR.................40 percent.
15K Ft MSL Winds....Southwest 15 to 20 mph increasing to 20 to 25
mph in the afternoon.
Mixing Height.......2000 ft AGL until 1100, then 6000 ft AGL.
Transport Winds.....South 5 to 10 mph.
Smoke dispersal.....Poor until 0900. Fair after 1200.
.TONIGHT...
Sky/weather.........Near 6000 feet, mostly cloudy (70-80%),
scattered thunderstorms until 2400. Numerous
showers. Isolated thunderstorms after 2400.
near 8000 feet, partly cloudy (50-60%) until
2400, then mostly cloudy (70-80%), scattered
showers and thunderstorms until 2400, then
numerous showers and isolated thunderstorms.
Chc of lightning....50 percent.
Min temperature.....45-55 F.
Max humidity........84-99% near 6000 feet
77-92% near 8000 feet.
20-foot winds.......Upslope/upvalley 4 to 8 mph becoming
downslope/downvalley 3 to 6 mph by sunset.
CWR.................70 percent.
15K Ft MSL Winds....Southwest 25 to 35 mph.
Mixing Height.......5000 ft AGL until 1900, then 1500 ft AGL.
Transport Winds.....Northwest 5 to 10 mph until 2400, then east.
Smoke dispersal.....Poor.
.SATURDAY...
Sky/weather.........Mostly cloudy (60-70%). Isolated thunderstorms
until 1200. Scattered showers. Scattered
thunderstorms after 1200.
Chc of lightning....50 percent.
Max temperature.....63-73 F near 6000 feet
55-65 F near 8000 feet.
Min humidity........42-52%.
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 25 to 35 mph.
Mixing Height.......2000 ft AGL until 1100, then 4500 ft AGL.
Transport Winds.....South 5 mph until 1200, then southwest.
Smoke dispersal.....Poor until 1200, then fair.
.FORECAST FOR DAY 3 THROUGH 7...
.SUNDAY...Partly cloudy. Scattered showers and isolated
thunderstorms near 6000 feet and scattered showers and
thunderstorms near 8000 feet. Lows 40-50. Highs 63-73. Winds less
than 15 mph.
.MONDAY...Mostly clear. Lows 39-49. Highs 69-79. Winds less than
15 mph.
.TUESDAY...Partly cloudy. Isolated showers and thunderstorms.
Lows 43-53. Highs 69-79. 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 43-53. Highs 68-78.
.THURSDAY...Partly cloudy. Isolated showers and thunderstorms.
Lows 43-53. Highs 70-80.
$$
COZ203-191115-
Lower Colorado River-
103 PM MDT Fri Sep 18 2026
.TODAY...
Sky/weather.........Partly cloudy (50-60%). Isolated thunderstorms
until 1200. Scattered showers. Scattered
thunderstorms after 1200.
Chc of lightning....40 percent.
Max temperature.....68-78 F near 6000 feet
61-71 F near 8000 feet.
Min humidity........38-48%.
20-foot winds.......Upslope/upvalley winds 4 to 8 mph. Localized
gusts up to 20 mph.
CWR.................40 percent.
15K Ft MSL Winds....Southwest 15 to 20 mph increasing to 20 to 30
mph in the afternoon.
Mixing Height.......5500 ft AGL.
Transport Winds.....South 5 mph.
Smoke dispersal.....Poor.
.TONIGHT...
Sky/weather.........Partly cloudy (50-60%) until 2400, then mostly
cloudy (60-70%). Scattered showers and
thunderstorms until 2400, then numerous showers
and isolated thunderstorms.
Chc of lightning....50 percent.
Min temperature.....49-59 F near 6000 feet
42-52 F near 8000 feet.
Max humidity........76-91%.
20-foot winds.......Downslope/downvalley winds 3 to 6 mph.
Localized gusts up to 20 mph in the evening.
CWR.................70 percent.
15K Ft MSL Winds....Southwest 20 to 30 mph.
Mixing Height.......3500 ft AGL until 2000, then 500 ft AGL.
Transport Winds.....Southeast 5 mph.
Smoke dispersal.....Poor.
.SATURDAY...
Sky/weather.........Partly cloudy (50-60%). Isolated thunderstorms
until 1200. Scattered showers. Scattered
thunderstorms after 1200.
Chc of lightning....50 percent.
Max temperature.....65-75 F near 6000 feet
57-67 F near 8000 feet.
Min humidity........34-44%.
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 20 to 30 mph.
Mixing Height.......1500 ft AGL until 1100, then 5500 ft AGL.
Transport Winds.....Southeast 5 mph until 1200, then southwest 10
to 15 mph.
Smoke dispersal.....Poor until 0900. Fair after 1200.
.FORECAST FOR DAY 3 THROUGH 7...
.SUNDAY...Mostly clear. Isolated showers and thunderstorms. Lows
45-55. Highs 67-77. Winds less than 15 mph.
.MONDAY...Mostly clear. Lows 44-54. Highs 71-81. Winds less than
15 mph.
.TUESDAY...Partly cloudy. Scattered showers and thunderstorms.
Lows 47-57. Highs 70-80. Winds less than 15 mph.
.WEDNESDAY...Partly cloudy. Scattered showers and thunderstorms.
Lows 47-57. Highs 69-79.
.THURSDAY...Partly cloudy. Isolated showers and thunderstorms.
Lows 47-57. Highs 71-81.
$$
COZ205-191115-
Colorado River Headwaters-
103 PM MDT Fri Sep 18 2026
.TODAY...
Sky/weather.........Mostly cloudy (70-80%). Isolated thunderstorms
until 1200. Scattered showers. Scattered
thunderstorms after 1200.
Chc of lightning....40 percent.
Max temperature.....63-73 F.
Min humidity........42-52%.
20-foot winds.......Upslope/upvalley winds 4 to 8 mph. Localized
gusts up to 20 mph.
CWR.................40 percent.
15K Ft MSL Winds....Southwest 15 to 20 mph.
Mixing Height.......5000 ft AGL.
Transport Winds.....Southwest 5 mph.
Smoke dispersal.....Poor.
.TONIGHT...
Sky/weather.........Partly cloudy (50-60%) until 2400, then mostly
cloudy (60-70%). Scattered showers and isolated
thunderstorms.
Chc of lightning....20 percent.
Min temperature.....41-51 F.
Max humidity........80-95%.
20-foot winds.......Upslope/upvalley 4 to 8 mph becoming
downslope/downvalley 3 to 6 mph by sunset.
CWR.................60 percent.
15K Ft MSL Winds....Southwest 20 to 30 mph.
Mixing Height.......3500 ft AGL until 1900, then 1000 ft AGL.
Transport Winds.....South 5 mph.
Smoke dispersal.....Poor.
.SATURDAY...
Sky/weather.........Mostly cloudy (60-70%). Isolated thunderstorms
until 1200. Scattered showers. Scattered
thunderstorms after 1200.
Chc of lightning....50 percent.
Max temperature.....62-72 F.
Min humidity........37-47%.
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 20 to 30 mph.
Mixing Height.......1000 ft AGL until 1000, then 5500 ft AGL.
Transport Winds.....Southwest 5 to 10 mph.
Smoke dispersal.....Poor until 0900. Good after 1200.
.FORECAST FOR DAY 3 THROUGH 7...
.SUNDAY...Partly cloudy. Scattered showers and isolated
thunderstorms. Lows 37-47. Highs 58-68. Winds less than 15 mph.
.MONDAY...Mostly clear. Lows 35-45. Highs 63-73. Winds less than
15 mph.
.TUESDAY...Partly cloudy. Scattered showers and thunderstorms.
Lows 38-48. Highs 63-73. Winds less than 15 mph.
.WEDNESDAY...Partly cloudy. Scattered showers and isolated
thunderstorms. Lows 39-49. Highs 61-71.
.THURSDAY...Partly cloudy. Isolated showers and thunderstorms.
Lows 39-49. Highs 63-73.
$$
COZ290-191115-
Paradox Valley Forecast Area-
103 PM MDT Fri Sep 18 2026
.TODAY...
Sky/weather.........Mostly cloudy (60-70%) until 1200, then partly
cloudy (40-50%). Near 6000 feet, scattered
showers until 1200. Isolated thunderstorms.
Isolated showers after 1200. Near 8000 feet,
isolated thunderstorms until 1200. Scattered
showers. Scattered thunderstorms after 1200.
Chc of lightning....20 percent.
Max temperature.....67-77 F near 6000 feet
63-73 F near 8000 feet.
Min humidity........35-45% near 6000 feet
41-51% near 8000 feet.
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....Southwest 20 to 30 mph.
Mixing Height.......3000 ft AGL until 1200, then 6500 ft AGL.
Transport Winds.....South 5 mph until 1200, then southwest 10 to 15
mph.
Smoke dispersal.....Poor until 0900. Good after 1200.
.TONIGHT...
Sky/weather.........Partly cloudy (40-50%). Scattered showers and
isolated thunderstorms.
Chc of lightning....20 percent.
Min temperature.....47-57 F near 6000 feet
42-52 F near 8000 feet.
Max humidity........71-86% near 6000 feet
84-99% near 8000 feet.
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....Southwest 20 to 30 mph.
Mixing Height.......5500 ft AGL until 1900. 500 ft AGL after 2000.
Transport Winds.....South 5 to 10 mph.
Smoke dispersal.....Poor.
.SATURDAY...
Sky/weather.........Partly cloudy (40-50%). Near 6000 feet,
isolated thunderstorms until 1200. Scattered
showers. Scattered thunderstorms after 1200.
near 8000 feet, scattered showers until 1200.
Isolated thunderstorms. Isolated showers after
1200.
Chc of lightning....30 percent.
Max temperature.....64-74 F near 6000 feet
59-69 F near 8000 feet.
Min humidity........29-39% near 6000 feet
35-45% near 8000 feet.
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....Southwest 20 to 25 mph.
Mixing Height.......1000 ft AGL until 1000, then 7500 ft AGL.
Transport Winds.....South 5 to 10 mph until 1200, then southwest 15
to 20 mph.
Smoke dispersal.....Poor until 0900. Very good after 1200.
.FORECAST FOR DAY 3 THROUGH 7...
.SUNDAY...Mostly clear. Lows 46-56. Highs 69-79. Winds less than
15 mph.
.MONDAY...Partly cloudy. Lows 46-56. Highs 71-81. Winds less than
15 mph.
.TUESDAY...Partly cloudy. Numerous showers and scattered
thunderstorms near 6000 feet and numerous showers and scattered
thunderstorms near 8000 feet. Lows 49-59. Highs 68-78. Winds less
than 15 mph.
.WEDNESDAY...Mostly cloudy. Scattered showers and thunderstorms.
Lows 48-58. Highs 67-77.
.THURSDAY...Partly cloudy. Scattered showers and isolated
thunderstorms. Lows 47-57. Highs 69-79.
$$
COZ291-191115-
Northern San Juan Forecast Area-
103 PM MDT Fri Sep 18 2026
.TODAY...
Sky/weather.........Mostly cloudy (60-70%) until 1200, then partly
cloudy (50-60%). Isolated thunderstorms until
1200. Scattered showers. Scattered
thunderstorms after 1200.
Chc of lightning....30 percent.
Max temperature.....62-72 F.
Min humidity........40-50%.
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 20 to 25 mph.
Mixing Height.......1000 ft AGL until 1000. 6000 ft AGL after 1100.
Transport Winds.....Southwest 5 to 10 mph.
Smoke dispersal.....Poor until 0900. Good after 1200.
.TONIGHT...
Sky/weather.........Partly cloudy (50-60%). Isolated showers until
2400. Isolated thunderstorms. Scattered showers
after 2400.
Chc of lightning....20 percent.
Min temperature.....41-51 F.
Max humidity........77-92%.
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 20 to 25 mph.
Mixing Height.......4500 ft AGL until 1900, then 1000 ft AGL.
Transport Winds.....South 5 to 10 mph.
Smoke dispersal.....Poor.
.SATURDAY...
Sky/weather.........Partly cloudy (30-40%). Isolated showers and
thunderstorms.
Chc of lightning....20 percent.
Max temperature.....58-68 F.
Min humidity........33-43%.
20-foot winds.......Downslope/downvalley 3 to 6 mph becoming
upslope/upvalley 4 to 8 mph by 1100.
CWR.................10 percent.
15K Ft MSL Winds....Southwest 20 to 30 mph decreasing to 20 to 25
mph in the afternoon.
Mixing Height.......500 ft AGL until 0900. 8000 ft AGL after 1000.
Transport Winds.....Southwest 10 to 15 mph.
Smoke dispersal.....Poor until 0900. Very good after 1200.
.FORECAST FOR DAY 3 THROUGH 7...
.SUNDAY...Mostly clear. Lows 38-48. Highs 62-72. Winds less than
15 mph.
.MONDAY...Partly cloudy. Lows 37-47. Highs 64-74. Winds less than
15 mph.
.TUESDAY...Partly cloudy. Showers and scattered thunderstorms.
Lows 40-50. Highs 62-72. Winds less than 15 mph.
.WEDNESDAY...Mostly cloudy. Scattered showers and thunderstorms.
Lows 40-50. Highs 61-71.
.THURSDAY...Partly cloudy. Scattered showers and thunderstorms.
Lows 39-49. Highs 62-72.
$$
COZ292-191115-
North Fork Forecast Area-
103 PM MDT Fri Sep 18 2026
.TODAY...
Sky/weather.........Mostly cloudy (60-70%) until 1200, then partly
cloudy (50-60%). Isolated thunderstorms until
1200. Scattered showers. Scattered
thunderstorms after 1200.
Chc of lightning....30 percent.
Max temperature.....70-80 F near 6000 feet
61-71 F near 8000 feet.
Min humidity........38-48% near 6000 feet
45-55% near 8000 feet.
20-foot winds.......Upslope/upvalley winds 4 to 8 mph. Localized
gusts up to 20 mph in the afternoon.
CWR.................20 percent.
15K Ft MSL Winds....Southwest 20 to 25 mph increasing to 20 to 30
mph in the afternoon.
Mixing Height.......5500 ft AGL.
Transport Winds.....Southeast 5 mph until 1200, then southwest.
Smoke dispersal.....Poor until 1200. Fair after 1500.
.TONIGHT...
Sky/weather.........Partly cloudy (40-50%) until 2400, then mostly
cloudy (60-70%). Scattered showers and isolated
thunderstorms.
Chc of lightning....20 percent.
Min temperature.....45-55 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.................40 percent.
15K Ft MSL Winds....Southwest 20 to 30 mph.
Mixing Height.......4000 ft AGL until 1900, then 1000 ft AGL.
Transport Winds.....Southeast 5 to 10 mph.
Smoke dispersal.....Poor.
.SATURDAY...
Sky/weather.........Near 6000 feet, partly cloudy (50-60%). Near
8000 feet, partly cloudy (40-50%) until 1200,
then mostly cloudy (60-70%). Isolated
thunderstorms until 1200. Scattered showers.
Scattered thunderstorms after 1200.
Chc of lightning....30 percent.
Max temperature.....67-77 F near 6000 feet
60-70 F near 8000 feet.
Min humidity........33-43%.
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 20 to 30 mph.
Mixing Height.......2000 ft AGL until 1100, then 7000 ft AGL.
Transport Winds.....South 5 mph until 1200, then southwest 10 to 15
mph.
Smoke dispersal.....Poor until 0900. Good after 1200.
.FORECAST FOR DAY 3 THROUGH 7...
.SUNDAY...Mostly clear. Isolated showers and thunderstorms. Lows
44-54. Highs 68-78. Winds less than 15 mph.
.MONDAY...Mostly clear. Lows 43-53. Highs 71-81. Winds less than
15 mph.
.TUESDAY...Partly cloudy. Scattered showers and thunderstorms
near 6000 feet and numerous showers and scattered thunderstorms
near 8000 feet. Lows 45-55. Highs 70-80. Winds less than 15 mph.
.WEDNESDAY...Partly cloudy near 6000 feet and mostly cloudy near
8000 feet and scattered showers and thunderstorms. Lows 46-56.
Highs 69-79.
.THURSDAY...Partly cloudy. Isolated showers and thunderstorms
near 6000 feet and scattered showers and isolated thunderstorms
near 8000 feet. Lows 45-55. Highs 70-80.
$$
COZ293-191115-
Gunnison Basin Forecast Area-
103 PM MDT Fri Sep 18 2026
.TODAY...
Sky/weather.........Mostly cloudy (70-80%). Isolated thunderstorms
until 1200. Scattered showers. Scattered
thunderstorms after 1200.
Chc of lightning....50 percent.
Max temperature.....62-72 F.
Min humidity........45-55%.
20-foot winds.......Upslope/upvalley winds 4 to 8 mph. Localized
gusts up to 20 mph in the afternoon.
CWR.................60 percent.
15K Ft MSL Winds....Southwest 20 to 25 mph.
Mixing Height.......1500 ft AGL until 1100, then 4500 ft AGL.
Transport Winds.....Southwest 5 mph.
Smoke dispersal.....Poor.
.TONIGHT...
Sky/weather.........Partly cloudy (50-60%). Scattered showers and
isolated thunderstorms.
Chc of lightning....20 percent.
Min temperature.....41-51 F.
Max humidity........83-98%.
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....Southwest 20 to 25 mph.
Mixing Height.......3000 ft AGL until 1900, then 1000 ft AGL.
Transport Winds.....South 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....30 percent.
Max temperature.....62-72 F.
Min humidity........35-45%.
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 20 to 25 mph.
Mixing Height.......1500 ft AGL until 1000. 7500 ft AGL after 1100.
Transport Winds.....South 5 mph until 1200, then west 10 to 15 mph.
Smoke dispersal.....Poor until 0900. Good after 1200.
.FORECAST FOR DAY 3 THROUGH 7...
.SUNDAY...Mostly clear. Scattered showers and isolated
thunderstorms. Lows 36-46. Highs 60-70. Winds less than 15 mph.
.MONDAY...Mostly clear. Lows 34-44. Highs 63-73. Winds less than
15 mph.
.TUESDAY...Partly cloudy. Scattered showers and thunderstorms.
Lows 37-47. Highs 62-72. Winds less than 15 mph.
.WEDNESDAY...Mostly cloudy. Scattered showers and isolated
thunderstorms. Lows 38-48. Highs 61-71.
.THURSDAY...Partly cloudy. Scattered showers and isolated
thunderstorms. Lows 37-47. Highs 63-73.
$$
COZ207-191115-
Southwest Colorado Lower Forecast Area-
103 PM MDT Fri Sep 18 2026
.TODAY...
Sky/weather.........Partly cloudy (50-60%). Scattered showers and
isolated thunderstorms.
Chc of lightning....20 percent.
Max temperature.....72-82 F.
Min humidity........37-47%.
20-foot winds.......Upslope/upvalley winds 4 to 8 mph. Localized
gusts up to 25 mph.
CWR.................30 percent.
15K Ft MSL Winds....Southwest 20 to 25 mph.
Mixing Height.......2500 ft AGL until 1100, then 6500 ft AGL.
Transport Winds.....South 5 to 10 mph.
Smoke dispersal.....Poor until 0900. Good after 1200.
.TONIGHT...
Sky/weather.........Partly cloudy (40-50%). Scattered thunderstorms
until 2400. Scattered showers. Isolated
thunderstorms after 2400.
Chc of lightning....40 percent.
Min temperature.....47-57 F.
Max humidity........83-98%.
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....Southwest 20 to 25 mph.
Mixing Height.......5000 ft AGL until 1900. 500 ft AGL after 2000.
Transport Winds.....Southeast 5 to 10 mph.
Smoke dispersal.....Poor.
.SATURDAY...
Sky/weather.........Mostly sunny (20-30%). Isolated showers and
thunderstorms.
Chc of lightning....10 percent.
Max temperature.....71-81 F.
Min humidity........25-35%.
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....Southwest 20 to 25 mph.
Mixing Height.......1000 ft AGL until 1000. 8000 ft AGL after 1100.
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...
.SUNDAY...Mostly clear. Lows 44-54. Highs 72-82. Winds less than
15 mph.
.MONDAY...Partly cloudy. Lows 43-53. Highs 73-83. Winds less than
15 mph.
.TUESDAY...Partly cloudy. Numerous showers and scattered
thunderstorms. Lows 46-56. Highs 70-80. Winds less than 15 mph.
.WEDNESDAY...Mostly cloudy. Numerous showers and scattered
thunderstorms. Lows 45-55. Highs 69-79.
.THURSDAY...Partly cloudy. Scattered showers and isolated
thunderstorms. Lows 44-54. Highs 69-79.
$$
COZ294-191115-
Southwest Colorado Upper West Forecast Area-
103 PM MDT Fri Sep 18 2026
.TODAY...
Sky/weather.........Mostly cloudy (60-70%) until 1200, then partly
cloudy (40-50%). Scattered showers until 1200.
Isolated thunderstorms. Isolated showers after
1200.
Chc of lightning....20 percent.
Max temperature.....59-69 F.
Min humidity........43-53%.
20-foot winds.......Upslope/upvalley winds 4 to 8 mph. Localized
gusts up to 20 mph increasing to 30 mph in the
afternoon.
CWR.................30 percent.
15K Ft MSL Winds....Southwest 20 to 25 mph.
Mixing Height.......6000 ft AGL.
Transport Winds.....South 5 to 10 mph.
Smoke dispersal.....Poor until 0900. Good after 1200.
.TONIGHT...
Sky/weather.........Partly cloudy (50-60%). Scattered thunderstorms
until 2400. Scattered showers. Isolated
thunderstorms after 2400.
Chc of lightning....50 percent.
Min temperature.....43-53 F.
Max humidity........86-100%.
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....Southwest 20 to 30 mph.
Mixing Height.......5000 ft AGL until 1900. 500 ft AGL after 2000.
Transport Winds.....South 10 to 15 mph.
Smoke dispersal.....Poor.
.SATURDAY...
Sky/weather.........Partly cloudy (30-40%) until 1200, then mostly
sunny (20-30%). Isolated showers and
thunderstorms.
Chc of lightning....20 percent.
Max temperature.....58-68 F.
Min humidity........31-41%.
20-foot winds.......Downslope/downvalley 3 to 6 mph becoming
upslope/upvalley 4 to 8 mph by 1100.
CWR.................10 percent.
15K Ft MSL Winds....Southwest 20 to 25 mph decreasing to 15 to 20
mph in the afternoon.
Mixing Height.......1500 ft AGL until 1000. 7500 ft AGL after 1100.
Transport Winds.....South 5 to 10 mph until 1200, then southwest 15
to 20 mph.
Smoke dispersal.....Poor until 0900. Very good after 1200.
.FORECAST FOR DAY 3 THROUGH 7...
.SUNDAY...Clear. Lows 37-47. Highs 62-72. Winds less than 15 mph.
.MONDAY...Partly cloudy. Lows 36-46. Highs 63-73. Winds less than
15 mph.
.TUESDAY...Partly cloudy. Numerous showers and scattered
thunderstorms. Lows 40-50. Highs 60-70. Winds less than 15 mph.
.WEDNESDAY...Mostly cloudy. Numerous showers and scattered
thunderstorms. Lows 39-49. Highs 59-69.
.THURSDAY...Partly cloudy. Scattered showers and thunderstorms.
Lows 38-48. Highs 60-70.
$$
COZ295-191115-
Southwest Colorado Upper East Forecast Area-
103 PM MDT Fri Sep 18 2026
.TODAY...
Sky/weather.........Mostly cloudy (70-80%). Numerous showers until
1200. Scattered thunderstorms. Scattered
showers after 1200.
Chc of lightning....50 percent.
Max temperature.....62-72 F.
Min humidity........49-59%.
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 20 to 25 mph.
Mixing Height.......4500 ft AGL.
Transport Winds.....Southwest 5 mph.
Smoke dispersal.....Poor.
.TONIGHT...
Sky/weather.........Mostly cloudy (60-70%). Scattered thunderstorms
until 2400. Scattered showers. Isolated
thunderstorms after 2400.
Chc of lightning....40 percent.
Min temperature.....40-50 F.
Max humidity........86-100%.
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....Southwest 15 to 20 mph.
Mixing Height.......2500 ft AGL until 2000, then 500 ft AGL.
Transport Winds.....Southeast 5 mph until 2400, then northeast.
Smoke dispersal.....Poor.
.SATURDAY...
Sky/weather.........Partly cloudy (30-40%). Isolated showers and
thunderstorms.
Chc of lightning....20 percent.
Max temperature.....64-74 F.
Min humidity........32-42%.
20-foot winds.......Downslope/downvalley 3 to 6 mph becoming
upslope/upvalley 4 to 8 mph by 1100.
CWR.................10 percent.
15K Ft MSL Winds....Southwest 20 to 25 mph.
Mixing Height.......1000 ft AGL until 1000, then 7000 ft AGL.
Transport Winds.....South 5 mph until 1200, then southwest 10 to 15
mph.
Smoke dispersal.....Poor until 0900. Good after 1200.
.FORECAST FOR DAY 3 THROUGH 7...
.SUNDAY...Mostly clear. Isolated showers. Lows 36-46. Highs
65-75. Winds less than 15 mph.
.MONDAY...Partly cloudy. Lows 36-46. Highs 65-75. Winds less than
15 mph.
.TUESDAY...Partly cloudy. Numerous showers and scattered
thunderstorms. Lows 38-48. Highs 62-72. Winds less than 15 mph.
.WEDNESDAY...Numerous showers and scattered thunderstorms. Lows
39-49. Highs 60-70.
.THURSDAY...Mostly cloudy. Scattered showers and thunderstorms.
Lows 39-49. Highs 62-72.
$$
UTZ485-191115-
Eastern Ashley National Forest-
103 PM MDT Fri Sep 18 2026
.TODAY...
Sky/weather.........Near 7000 feet, partly cloudy (50-60%) until
1200, then mostly cloudy (70-80%). Near 10000
feet, mostly cloudy (60-70%). Scattered
showers and isolated thunderstorms until 1200.
Numerous showers and scattered thunderstorms
after 1200.
Chc of lightning....50 percent.
Max temperature.....63-73 F near 7000 feet
54-64 F near 10000 feet.
24 hr trend......4 degrees cooler.
Min humidity........48-58% near 7000 feet
63-78% near 10000 feet.
24 hr trend......8% wetter.
20-foot winds.......Downslope/downvalley 3 to 6 mph becoming
upslope/upvalley 4 to 8 mph by 1100.
CWR.................60 percent.
Mixing Height.......5000 ft AGL.
Transport Winds.....Southwest 5 to 10 mph.
Clearing Index......Less than 500 until 1100. 1050 after 1200.
.TONIGHT...
Sky/weather.........Mostly cloudy (70-80%). Numerous showers and
scattered thunderstorms until 2400. Scattered
showers and isolated thunderstorms after 2400.
Chc of lightning....50 percent.
Min temperature.....41-51 F near 7000 feet
32-42 F near 10000 feet.
24 hr trend......9 degrees cooler.
Max humidity........82-97% near 7000 feet
89-100% near 10000 feet.
24 hr trend......6% wetter.
20-foot winds.......Downslope/downvalley winds 3 to 6 mph.
Localized gusts up to 25 mph in the evening.
CWR.................80 percent.
Mixing Height.......1000 ft AGL.
Transport Winds.....Southwest 5 mph.
Clearing Index......750 until 1900. Less than 500 after 2000.
.SATURDAY...
Sky/weather.........Near 7000 feet, partly cloudy (50-60%) until
1200, then mostly cloudy (60-70%). Near 10000
feet, mostly cloudy (60-70%). Scattered
showers and isolated thunderstorms until 1200.
Numerous showers and scattered thunderstorms
after 1200.
Chc of lightning....50 percent.
Max temperature.....56-66 F near 7000 feet
49-59 F near 10000 feet.
24 hr trend......8 degrees cooler.
Min humidity........48-58% near 7000 feet
57-67% near 10000 feet.
24 hr trend......7% wetter.
20-foot winds.......Downslope/downvalley 3 to 6 mph becoming
upslope/upvalley 4 to 8 mph by 1100.
CWR.................60 percent.
Mixing Height.......2000 ft AGL until 1100, then 4500 ft AGL.
Transport Winds.....Southwest 5 mph.
Clearing Index......Less than 500 until 1100, then 600 until 1200,
then 1000 until 1600, then 550.
.FORECAST FOR DAY 3 THROUGH 7...
.SUNDAY...Partly cloudy. Scattered showers and isolated
thunderstorms near 7000 feet and scattered showers and isolated
thunderstorms near 10000 feet. Lows 37-47. Highs 57-67. Winds
less than 15 mph.
.MONDAY...Mostly clear. Lows 39-49. Highs 62-72. Winds less than
15 mph.
.TUESDAY...Partly cloudy. Scattered showers and thunderstorms .
Lows 43-53. Highs 62-72. Winds less than 15 mph.
.WEDNESDAY...Partly cloudy. Scattered showers and isolated
thunderstorms near 7000 feet and scattered showers and isolated
thunderstorms near 10000 feet. Lows 42-52. Highs 62-72.
.THURSDAY...Partly cloudy. Isolated showers and thunderstorms .
Lows 43-53. Highs 65-75.
$$
UTZ486-191115-
Eastern Uinta Basin-
103 PM MDT Fri Sep 18 2026
.TODAY...
Sky/weather.........Partly cloudy (50-60%) until 1200, then mostly
cloudy (70-80%). Near 5000 feet, scattered
showers and isolated thunderstorms until 1200,
then numerous showers and scattered
thunderstorms. Near 8000 feet, isolated
thunderstorms until 1200. Scattered showers.
Scattered thunderstorms after 1200.
Chc of lightning....50 percent.
Max temperature.....65-75 F near 5000 feet
55-65 F near 8000 feet.
24 hr trend......2 degrees warmer.
Min humidity........48-58% near 5000 feet
54-64% near 8000 feet.
24 hr trend......4% wetter.
20-foot winds.......Downslope/downvalley 3 to 6 mph becoming
upslope/upvalley 4 to 8 mph by 1100.
CWR.................60 percent.
Mixing Height.......4000 ft AGL.
Transport Winds.....Southwest 5 mph.
Clearing Index......Less than 500 until 1100. 900 after 1200.
.TONIGHT...
Sky/weather.........Mostly cloudy (70-80%). Near 5000 feet, showers
and scattered thunderstorms until 2400. Near
8000 feet, numerous showers and scattered
thunderstorms until 2400. Scattered showers and
isolated thunderstorms after 2400.
Chc of lightning....50 percent.
Min temperature.....44-54 F.
24 hr trend......5 degrees cooler.
Max humidity........79-94%.
24 hr trend......2% drier.
20-foot winds.......Upslope/upvalley 4 to 8 mph becoming
downslope/downvalley 3 to 6 mph by sunset.
CWR.................80 percent.
Mixing Height.......1500 ft AGL.
Transport Winds.....Northwest 5 to 10 mph until 2400, then
northeast.
Clearing Index......550 until 1900, then less than 500.
.SATURDAY...
Sky/weather.........Partly cloudy (50-60%). Near 5000 feet,
isolated showers and thunderstorms until 1200,
then scattered showers and thunderstorms. Near
8000 feet, isolated thunderstorms until 1200.
Scattered showers. Scattered thunderstorms
after 1200.
Chc of lightning....30 percent.
Max temperature.....62-72 F near 5000 feet
51-61 F near 8000 feet.
24 hr trend......3 degrees cooler.
Min humidity........43-53% near 5000 feet
50-60% near 8000 feet.
24 hr trend......4% drier.
20-foot winds.......Upslope/upvalley winds 4 to 8 mph. Localized
gusts up to 20 mph in the afternoon.
CWR.................40 percent.
Mixing Height.......3000 ft AGL until 1200, then 4500 ft AGL.
Transport Winds.....Southwest 5 mph.
Clearing Index......Less than 500 until 1200, then 950 until 1600,
then 500.
.FORECAST FOR DAY 3 THROUGH 7...
.SUNDAY...Partly cloudy. Isolated showers and thunderstorms. Lows
41-51. Highs 61-71. Winds less than 15 mph.
.MONDAY...Mostly clear. Lows 43-53. Highs 66-76. Winds less than
15 mph.
.TUESDAY...Partly cloudy. Isolated showers and thunderstorms .
Lows 47-57. Highs 66-76. 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 46-56. Highs 66-76.
.THURSDAY...Partly cloudy. Isolated showers near 6000 feet and
isolated showers and thunderstorms near 8000 feet. Lows 46-56.
Highs 68-78.
$$
UTZ487-191115-
Book Cliffs-
103 PM MDT Fri Sep 18 2026
.TODAY...
Sky/weather.........Near 5000 feet, partly cloudy (50-60%) until
1200, then mostly cloudy (60-70%), isolated
thunderstorms until 1200. Scattered showers.
Scattered thunderstorms after 1200. Near 8000
feet, partly cloudy (50-60%), numerous showers
until 1200. Scattered thunderstorms. Scattered
showers after 1200.
Chc of lightning....50 percent.
Max temperature.....66-76 F near 5000 feet
60-70 F near 8000 feet.
24 hr trend......2 degrees warmer.
Min humidity........42-52% near 5000 feet
53-63% near 8000 feet.
24 hr trend......12% drier.
20-foot winds.......Downslope/downvalley 3 to 6 mph becoming
upslope/upvalley 4 to 8 mph by 1100.
CWR.................60 percent.
Mixing Height.......1000 ft AGL until 1000, then 5000 ft AGL.
Transport Winds.....South 5 to 10 mph.
Clearing Index......Less than 500 until 1000. 1050 after 1100.
.TONIGHT...
Sky/weather.........Mostly cloudy (70-80%). Near 5000 feet,
scattered thunderstorms until 2400. Numerous
showers. Isolated thunderstorms after 2400.
near 8000 feet, scattered showers and
thunderstorms until 2400, then numerous showers
and isolated thunderstorms.
Chc of lightning....50 percent.
Min temperature.....46-56 F near 5000 feet
41-51 F near 8000 feet.
24 hr trend......5 degrees cooler.
Max humidity........83-98%.
24 hr trend......1% wetter.
20-foot winds.......Upslope/upvalley 4 to 8 mph becoming
downslope/downvalley 3 to 6 mph by sunset.
CWR.................80 percent.
Mixing Height.......4500 ft AGL until 1900, then 2000 ft AGL.
Transport Winds.....North 5 to 10 mph until 2400, then east.
Clearing Index......950 until 1900, then less than 500.
.SATURDAY...
Sky/weather.........Partly cloudy (50-60%). Isolated thunderstorms
until 1200. Scattered showers. Scattered
thunderstorms after 1200.
Chc of lightning....40 percent.
Max temperature.....63-73 F near 5000 feet
57-67 F near 8000 feet.
24 hr trend......5 degrees cooler.
Min humidity........41-51%.
24 hr trend......2% wetter.
20-foot winds.......Upslope/upvalley winds 4 to 8 mph. Localized
gusts up to 20 mph in the afternoon.
CWR.................50 percent.
Mixing Height.......1500 ft AGL until 1100, then 6500 ft AGL.
Transport Winds.....West 5 mph.
Clearing Index......Less than 500 until 1200, then 550 until 1300,
then 800 until 1400, then 1050 until 1700, then
550.
.FORECAST FOR DAY 3 THROUGH 7...
.SUNDAY...Mostly clear. Isolated showers and thunderstorms. Lows
41-51. Highs 64-74. Winds less than 15 mph.
.MONDAY...Mostly clear. Lows 42-52. Highs 68-78. Winds less than
15 mph.
.TUESDAY...Partly cloudy. Scattered showers and thunderstorms .
Lows 46-56. Highs 68-78. Winds less than 15 mph.
.WEDNESDAY...Partly cloudy. Scattered showers and isolated
thunderstorms near 6000 feet and scattered showers and
thunderstorms near 8000 feet. Lows 45-55. Highs 67-77.
.THURSDAY...Partly cloudy. Isolated showers and thunderstorms .
Lows 45-55. Highs 69-79.
$$
UTZ490-191115-
Colorado River Basin-
103 PM MDT Fri Sep 18 2026
.TODAY...
Sky/weather.........Partly cloudy (50-60%). Near 5000 feet,
isolated thunderstorms until 1200. Scattered
showers. Scattered thunderstorms after 1200.
near 7000 feet, numerous showers until 1200.
Scattered thunderstorms. Scattered showers
after 1200.
Chc of lightning....40 percent.
Max temperature.....75-85 F near 5000 feet
64-74 F near 7000 feet.
24 hr trend......1 degree warmer.
Min humidity........36-46% near 5000 feet
47-57% near 7000 feet.
24 hr trend......2% drier.
20-foot winds.......Upslope/upvalley winds 4 to 8 mph. Localized
gusts up to 20 mph.
CWR.................60 percent.
Mixing Height.......2000 ft AGL until 1100, then 7500 ft AGL.
Transport Winds.....East 5 to 10 mph until 1200, then south.
Clearing Index......650 until 1500, then 1050.
.TONIGHT...
Sky/weather.........Partly cloudy (40-50%) until 2400, then mostly
cloudy (60-70%). Near 5000 feet, scattered
thunderstorms until 2400. Scattered showers.
Isolated thunderstorms after 2400. Near 7000
feet, scattered showers and thunderstorms
until 2400, then numerous showers and isolated
thunderstorms.
Chc of lightning....50 percent.
Min temperature.....51-61 F.
24 hr trend......5 degrees cooler.
Max humidity........74-89%.
24 hr trend......Unchanged.
20-foot winds.......Upslope/upvalley 4 to 8 mph becoming
downslope/downvalley 3 to 6 mph by sunset.
CWR.................50 percent.
Mixing Height.......6500 ft AGL until 1900, then 1000 ft AGL.
Transport Winds.....South 5 to 10 mph until 2400, then east.
Clearing Index......950 until 1900. Less than 500 after 2000.
.SATURDAY...
Sky/weather.........Partly cloudy (30-40%). Near 5000 feet,
isolated showers and thunderstorms. Near 7000
feet, scattered showers until 1200. Isolated
thunderstorms. Isolated showers after 1200.
Chc of lightning....20 percent.
Max temperature.....72-82 F near 5000 feet
62-72 F near 7000 feet.
24 hr trend......2 degrees cooler.
Min humidity........30-40% near 5000 feet
36-46% near 7000 feet.
24 hr trend......9% 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 1200, then 8000 ft AGL.
Transport Winds.....East 5 mph until 1200, then southwest 10 to 15
mph.
Clearing Index......Less than 500 until 1200. 1050 after 1300.
.FORECAST FOR DAY 3 THROUGH 7...
.SUNDAY...Mostly clear. Isolated showers and thunderstorms . Lows
48-58. Highs 70-80. Winds less than 15 mph.
.MONDAY...Mostly clear. Lows 48-58. Highs 74-84. Winds less than
15 mph.
.TUESDAY...Partly cloudy. Scattered showers and isolated
thunderstorms near 5000 feet and scattered showers and isolated
thunderstorms near 7000 feet. Lows 51-61. Highs 72-82. Winds
less than 15 mph.
.WEDNESDAY...Partly cloudy. Scattered showers and thunderstorms .
Lows 49-59. Highs 71-81.
.THURSDAY...Partly cloudy. Isolated showers and thunderstorms .
Lows 50-60. Highs 73-83.
$$
UTZ491-191115-
Southeast Utah-
103 PM MDT Fri Sep 18 2026
.TODAY...
Sky/weather.........Near 5000 feet, partly cloudy (40-50%) until
1200, then mostly sunny (20-30%), scattered
showers until 1200. Isolated thunderstorms.
Isolated showers after 1200. Near 8000 feet,
partly cloudy (50-60%), scattered showers and
isolated thunderstorms until 1200, scattered
thunderstorms and isolated showers after 1200.
Chc of lightning....20 percent.
Max temperature.....75-85 F near 5000 feet
60-70 F near 8000 feet.
24 hr trend......8 degrees warmer.
Min humidity........31-41% near 5000 feet
42-52% near 8000 feet.
24 hr trend......22% drier.
20-foot winds.......Upslope/upvalley winds 4 to 8 mph. Localized
gusts up to 25 mph.
CWR.................20 percent.
Mixing Height.......2500 ft AGL until 1100, then 9500 ft AGL.
Transport Winds.....Southeast 5 to 10 mph until 1200, then south.
Clearing Index......Less than 500 until 1000. 1050 after 1200.
.TONIGHT...
Sky/weather.........Partly cloudy (40-50%). Scattered showers and
isolated thunderstorms.
Chc of lightning....20 percent.
Min temperature.....52-62 F near 5000 feet
44-54 F near 8000 feet.
24 hr trend......4 degrees cooler.
Max humidity........72-87%.
24 hr trend......7% drier.
20-foot winds.......Upslope/upvalley 4 to 8 mph becoming
downslope/downvalley 3 to 6 mph by sunset.
CWR.................30 percent.
Mixing Height.......9000 ft AGL until 1900. 1000 ft AGL after 2000.
Transport Winds.....Southeast 5 to 10 mph.
Clearing Index......1050 until 1900. Less than 500 after 2000.
.SATURDAY...
Sky/weather.........Near 5000 feet, mostly sunny (20-30%), isolated
showers and thunderstorms. Near 8000 feet,
partly cloudy (30-40%), isolated thunderstorms
until 1200. Scattered showers. Scattered
thunderstorms after 1200.
Chc of lightning....0 percent.
Max temperature.....73-83 F near 5000 feet
59-69 F near 8000 feet.
24 hr trend......2 degrees cooler.
Min humidity........23-33% near 5000 feet
30-40% near 8000 feet.
24 hr trend......8% drier.
20-foot winds.......Upslope/upvalley winds 4 to 8 mph. Localized
gusts up to 20 mph.
CWR.................10 percent.
Mixing Height.......2500 ft AGL until 1100, then 9500 ft AGL.
Transport Winds.....Southeast 5 to 10 mph until 1200, then
southwest.
Clearing Index......Less than 500 until 1100. 1050 after 1200.
.FORECAST FOR DAY 3 THROUGH 7...
.SUNDAY...Mostly clear. Lows 50-60. Highs 73-83. Winds less than
15 mph.
.MONDAY...Partly cloudy. Lows 50-60. Highs 74-84. Winds less than
15 mph.
.TUESDAY...Partly cloudy. Scattered showers and thunderstorms
near 5000 feet and numerous showers and scattered thunderstorms
near 8000 feet. Lows 51-61. Highs 72-82. Winds less than 15 mph.
.WEDNESDAY...Partly cloudy near 5000 feet and mostly cloudy near
8000 feet and scattered showers and thunderstorms . Lows 50-60.
Highs 71-81.
.THURSDAY...Partly cloudy. Scattered showers and isolated
thunderstorms near 5000 feet and scattered showers and isolated
thunderstorms near 8000 feet. Lows 50-60. Highs 71-81.
$$