National Weather Service United States Department of Commerce

 

COZ202-261300-
White River Forecast Area-
257 PM MDT Tue Sep 25 2018

.DISCUSSION...
Dry and cool conditions are expected overnight. A weak system will
brush southern sections of Colorado late tonight and tomorrow with 
isolated showers and thunderstorms possible across southwestern 
Colorado. Drier and unseasonably warm conditions will return on 
Thursday and continue through 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.........Mostly clear (20-30%). 
Min temperature.....37-47 F. 
Max humidity........34-44% near 6000 feet 
                    26-36% near 8000 feet. 
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 moderate. 
15K Ft MSL Winds....West 15 to 20 mph. 
Mixing Height.......6000 ft AGL until 2000, then 1500 ft AGL. 
Transport Winds.....Northeast 5 mph. 
Smoke dispersal.....Poor. 

.WEDNESDAY...
Sky/weather.........Sunny (0-10%). 
Max temperature.....62-72 F near 6000 feet 
                    54-64 F near 8000 feet. 
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........4 low. 
15K Ft MSL Winds....Northwest 15 to 20 mph. 
Mixing Height.......1500 ft AGL until 1000. 8500 ft AGL after 1100. 
Transport Winds.....Northeast 5 mph until 1200, then west. 
Smoke dispersal.....Poor until 1200. Good after 1500. 

.WEDNESDAY NIGHT...
Sky/weather.........Clear (0-10%). 
Min temperature.....38-48 F. 
Max humidity........31-41% near 6000 feet 
                    23-33% near 8000 feet. 
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 moderate. 
15K Ft MSL Winds....Northwest 20 to 25 mph. 
Mixing Height.......7000 ft AGL until 2000. 1500 ft AGL after 2100. 
Transport Winds.....West 5 mph until 2400, then south. 
Smoke dispersal.....Fair until 2100, then poor. 

.THURSDAY...
Sky/weather.........Sunny (0-10%). 
Max temperature.....68-78 F near 6000 feet 
                    61-71 F near 8000 feet. 
Min humidity........6-11%. 
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........5 moderate. 
15K Ft MSL Winds....Northwest 20 to 30 mph. 
Mixing Height.......2500 ft AGL until 1100, then 8500 ft AGL. 
Transport Winds.....South 5 mph until 1200, then west. 
Smoke dispersal.....Poor until 0900. Good after 1500. 

.FORECAST FOR DAY 3 THROUGH 7...
.FRIDAY...Clear. Lows 40-50. Highs 74-84. Winds less than 15 mph.
.SATURDAY...Mostly clear. Lows 42-52. Highs 76-86. Winds less
than 15 mph. 
.SUNDAY...Mostly clear. Lows 47-57. Highs 74-84. Southwest winds
10 to 20 mph with gusts up to 30 mph. 
.MONDAY...Partly cloudy. Isolated showers and thunderstorms. Lows
45-55. Highs 72-82. 
.TUESDAY...Partly cloudy. Isolated showers and thunderstorms near
6000 feet and scattered showers and isolated thunderstorms near
8000 feet. Lows 45-55. Highs 70-80. 

$$