COZ205-181045-
COZ205-181045-
Colorado River Headwaters-
1242 PM MDT Fri Apr 17 2026
Fire Weather Planning Forecast for Wrn Colorado and Ern Utah
National Weather Service Grand Junction CO
1242 PM MDT Fri Apr 17 2026
.DISCUSSION...Elevated relative humidities and lighter winds will
keep critical fire weather conditions from developing in the near
term. A warmer, drier pattern emerges next week. Winds look to
pick back up Wednesday and beyond, but higher RH values will
suppress critical fire weather conditions.
...GUSTY ERRATIC WINDS CAN BE EXPECTED NEAR ANY SHOWERS
OR THUNDERSTORMS...
...THE SMOKE DATA IS CALCULATED FROM AN AVERAGE AT 6000 FEET MSL...
.TONIGHT...
Sky/weather.........Partly cloudy (40-50%).
Chc of lightning....0 percent.
Min temperature.....10-20 F.
Max humidity........58-73%.
Snow Level..........Near 3300 ft.
20-foot winds.......Downslope/downvalley winds 3 to 6 mph.
Localized gusts up to 25 mph in the evening.
CWR.................10 percent.
15K Ft MSL Winds....West 20 to 30 mph.
Mixing Height.......7000 ft AGL until 2000, then 2500 ft AGL.
Transport Winds.....West 5 mph.
Smoke dispersal.....Fair until 2100, then poor.
.SATURDAY...
Sky/weather.........Partly cloudy (30-40%) until 1200, then sunny
(0-10%).
Chc of lightning....0 percent.
Max temperature.....39-49 F.
Min humidity........13-23%.
Snow Level..........Near 4300 ft.
20-foot winds.......Downslope/downvalley 3 to 6 mph becoming
upslope/upvalley 4 to 8 mph by 1100.
CWR.................0 percent.
15K Ft MSL Winds....Northwest 30 to 40 mph decreasing to 20 to 25
mph in the afternoon.
Mixing Height.......2000 ft AGL until 0800, then 7000 ft AGL.
Transport Winds.....Northwest 5 mph.
Smoke dispersal.....Poor until 0900, then fair.
.SATURDAY NIGHT...
Sky/weather.........Mostly clear (10-20%).
Chc of lightning....0 percent.
Min temperature.....19-29 F.
Max humidity........40-50%.
Snow Level..........Near 5600 ft.
20-foot winds.......Upslope/upvalley 4 to 8 mph becoming
downslope/downvalley 3 to 6 mph by sunset.
CWR.................0 percent.
15K Ft MSL Winds....West 15 to 20 mph increasing to 20 to 30 mph
after midnight.
Mixing Height.......6000 ft AGL until 1900, then 2000 ft AGL.
Transport Winds.....South 5 mph.
Smoke dispersal.....Poor.
.SUNDAY...
Sky/weather.........Sunny (0-10%).
Chc of lightning....0 percent.
Max temperature.....53-63 F.
Min humidity........12-17%.
Snow Level..........Near 6500 ft.
20-foot winds.......Upslope/upvalley winds 4 to 8 mph. Localized
gusts up to 20 mph in the afternoon.
CWR.................0 percent.
15K Ft MSL Winds....West 20 to 30 mph decreasing to 20 to 25 mph in
the afternoon.
Mixing Height.......3500 ft AGL until 1000, then 9000 ft AGL.
Transport Winds.....West 5 to 10 mph.
Smoke dispersal.....Poor until 0900. Good after 1200.
.FORECAST FOR DAY 3 THROUGH 7...
.MONDAY...Partly cloudy. Lows 29-39. Highs 58-68. Winds less than
15 mph.
.TUESDAY...Mostly clear. Isolated showers and thunderstorms. Lows
33-43. Highs 61-71. Winds less than 15 mph.
.WEDNESDAY...Partly cloudy. Isolated showers and thunderstorms.
Lows 35-45. Highs 57-67. Southwest winds 10 to 20 mph with gusts
to 45 mph.
.THURSDAY...Partly cloudy. Isolated showers and thunderstorms.
Lows 29-39. Highs 48-58.
.FRIDAY...Partly cloudy. Scattered showers and isolated
thunderstorms. Lows 25-35. Highs 47-57.