National Weather Service United States Department of Commerce

COZ203-201230-
COZ203-201230-
Lower Colorado River-
229 PM MDT Tue Oct 19 2021

Fire Weather Planning Forecast for Wrn Colorado and Ern Utah
National Weather Service Grand Junction CO
229 PM MDT Tue Oct 19 2021

.DISCUSSION...This storm will exit this evening and the next will
not arrive until early next week. In between dry and seasonable
conditions can be expected. Smoke dispersal in the lower elevations 
will struggle to get to fair over the next several says as light 
winds move over the area. 

...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 (30-40%) until 2400, then clear 
                    (0-10%). Isolated showers until 2400. 
Min temperature.....28-38 F near 6000 feet 
                    21-31 F near 8000 feet. 
Max humidity........70-85%. 
20-foot winds.......Upslope/upvalley 4 to 8 mph becoming 
                    downslope/downvalley 3 to 6 mph by sunset.
CWR.................10 percent. 
LAL.................1.
Haines Index........2 or very low. 
15K Ft MSL Winds....Northwest 20 to 25 mph. 
Mixing Height.......1000 ft AGL. 
Transport Winds.....West 5 mph until 2400, then east. 
Smoke dispersal.....Poor. 

.WEDNESDAY...
Sky/weather.........Mostly sunny (10-20%). 
Max temperature.....50-60 F near 6000 feet 
                    43-53 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.................0 percent. 
LAL.................1.
Haines Index........3 or very low. 
15K Ft MSL Winds....West 20 to 25 mph. 
Mixing Height.......3500 ft AGL. 
Transport Winds.....South 5 mph until 1200, then southwest. 
Smoke dispersal.....Poor. 

.WEDNESDAY NIGHT...
Sky/weather.........Mostly clear (20-30%). 
Min temperature.....31-41 F. 
Max humidity........57-72%. 
20-foot winds.......Upslope/upvalley 4 to 8 mph becoming 
                    downslope/downvalley 3 to 6 mph by sunset.
CWR.................0 percent. 
LAL.................1.
Haines Index........4 or low. 
15K Ft MSL Winds....West 20 to 25 mph. 
Mixing Height.......1000 ft AGL. 
Transport Winds.....West 5 mph until 2400, then east. 
Smoke dispersal.....Poor. 

.THURSDAY...
Sky/weather.........Partly cloudy (40-50%) until 1200, then mostly 
                    sunny (20-30%). 
Max temperature.....54-64 F near 6000 feet 
                    47-57 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.................0 percent. 
LAL.................1.
Haines Index........4 or low. 
15K Ft MSL Winds....West 20 to 25 mph. 
Mixing Height.......3000 ft AGL. 
Transport Winds.....East 5 mph until 1200, then southwest. 
Smoke dispersal.....Poor. 

.FORECAST FOR DAY 3 THROUGH 7...
.FRIDAY...Mostly clear. Lows 32-42. Highs 59-69. Winds less than
15 mph. 
.SATURDAY...Partly cloudy. Lows 34-44. Highs 57-67. Winds less
than 15 mph. 
.SUNDAY...Mostly cloudy. Lows 35-45. Highs 55-65. Winds less than
15 mph. 
.MONDAY...Partly cloudy. Scattered showers. Lows 38-48. Highs
58-68. 
.TUESDAY...Mostly cloudy. Scattered showers. Lows 34-44. Highs
49-59.