National Weather Service United States Department of Commerce

 

COZ207-221100-
COZ207-221100-
Southwest Colorado Lower Forecast Area-
310 PM MST Sat Dec 21 2024

Fire Weather Planning Forecast for Wrn Colorado and Ern Utah
National Weather Service Grand Junction CO
310 PM MST Sat Dec 21 2024

.DISCUSSION...
This is an automatically generated forecast with no discussion. 
The normal Fire Weather Forecast will resume in its entirety in 
the spring.


...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.........Clear (0-10%). 
Min temperature.....19-29 F. 
Max humidity........65-80%. 
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........5 or moderate. 
15K Ft MSL Winds....West 20 to 25 mph. 
Mixing Height.......1500 ft AGL. 
Transport Winds.....East 5 mph. 
Smoke dispersal.....Poor. 

.SUNDAY...
Sky/weather.........Mostly sunny (10-20%) until 1200, then partly 
                    cloudy (40-50%). 
Max temperature.....47-57 F. 
Min humidity........22-32%. 
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 30 mph. 
Mixing Height.......2000 ft AGL. 
Transport Winds.....Southeast 5 mph until 1200, then southwest. 
Smoke dispersal.....Poor. 

.SUNDAY NIGHT...
Sky/weather.........Mostly cloudy (60-70%) until 2400, then partly 
                    cloudy (50-60%). 
Min temperature.....24-34 F. 
Max humidity........64-79%. 
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........3 or very low. 
15K Ft MSL Winds....Northwest 20 to 25 mph. 
Mixing Height.......1500 ft AGL. 
Transport Winds.....North 5 mph. 
Smoke dispersal.....Poor. 

.MONDAY...
Sky/weather.........Partly cloudy (30-40%) until 1200, then mostly 
                    sunny (20-30%). 
Max temperature.....45-55 F. 
Min humidity........31-41%. 
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....Northwest 20 to 25 mph. 
Mixing Height.......3000 ft AGL until 1700, then 1000 ft AGL. 
Transport Winds.....Northwest 5 mph. 
Smoke dispersal.....Poor. 

.FORECAST FOR DAY 3 THROUGH 7...
.TUESDAY...Mostly clear. Lows 19-29. Highs 45-55. Winds less than
15 mph. 
.CHRISTMAS DAY...Mostly cloudy. Scattered showers. Lows 24-34.
Highs 39-49. Winds less than 15 mph. 
.THURSDAY...Partly cloudy. Lows 15-25. Highs 38-48. Winds less
than 15 mph. 
.FRIDAY...Mostly cloudy. Isolated showers. Lows 18-28. Highs
38-48. 
.SATURDAY...Partly cloudy. Lows 16-26. Highs 40-50.