National Weather Service United States Department of Commerce

COZ205-251245-
Colorado River Headwaters-
234 PM MDT Mon Sep 24 2018

.DISCUSSION...Cold front continues to drop through southern 
portions of SE.Utah and SW.Colorado this afternoon. Behind it
dry and windy conditions are in place but earlier rainfall and
slightly cooler temperatures are keeping critical fire weather
conditions in check overall. Dry and seasonable conditions 
will set up for the remainder of the week with very low
probability of precipitation arriving by the weekend. 


...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 and thunderstorms 
                    until 2400. 
Min temperature.....33-43 F. 
Max humidity........47-57%. 
20-foot winds.......Downslope/downvalley winds 3 to 6 mph. 
                    Localized gusts up to 30 mph in the evening. 
CWR.................0 percent. 
LAL.................2 until 2400, then 1.
Haines Index........5 moderate. 
15K Ft MSL Winds....West 30 to 40 mph. 
Mixing Height.......6500 ft AGL until 2100, then 2500 ft AGL. 
Transport Winds.....West 15 to 20 mph until 2400, then northwest 5 
                    to 10 mph. 
Smoke dispersal.....Very good until 2100, then poor. 

.TUESDAY...
Sky/weather.........Mostly sunny (10-20%). 
Max temperature.....56-66 F. 
Min humidity........10-15%. 
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........6 high. 
15K Ft MSL Winds....Northwest 25 to 35 mph, decreasing to 20 to 25 
                    mph in the afternoon. 
Mixing Height.......9500 ft AGL. 
Transport Winds.....Northwest 5 mph. 
Smoke dispersal.....Poor until 0900. Good after 1200. 

.TUESDAY NIGHT...
Sky/weather.........Partly cloudy (30-40%). 
Min temperature.....33-43 F. 
Max humidity........44-54%. 
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........6 high. 
15K Ft MSL Winds....Northwest 10 to 15 mph. 
Mixing Height.......6500 ft AGL until 2100, then 2000 ft AGL. 
Transport Winds.....North 5 mph until 2400, then east. 
Smoke dispersal.....Poor. 

.WEDNESDAY...
Sky/weather.........Mostly sunny (10-20%). 
Max temperature.....60-70 F. 
Min humidity........8-13%. 
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........6 high. 
15K Ft MSL Winds....Northwest 15 to 20 mph. 
Mixing Height.......2500 ft AGL until 1000, then 9000 ft AGL. 
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...
.THURSDAY...Clear. Lows 31-41. Highs 62-72. Winds less than
15 mph. 
.FRIDAY...Clear. Lows 33-43. Highs 65-75. Winds less than 15 mph.
.SATURDAY...Mostly clear. Lows 36-46. Highs 66-76. Winds less
than 15 mph. 
.SUNDAY...Partly cloudy. Isolated showers and thunderstorms. Lows
38-48. Highs 64-74. 
.MONDAY...Partly cloudy. Isolated showers and thunderstorms. Lows
36-46. Highs 63-73. 

$$