National Weather Service United States Department of Commerce

 

UTZ491-251245-
Southeast Utah-
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%). Near 8000 feet, 
                    isolated showers and thunderstorms until 2400. 
Min temperature.....47-57 F near 5000 feet 
                    39-49 F near 8000 feet. 
   24 hr trend......4 degrees cooler. 
Max humidity........42-52% near 5000 feet 
                    30-40% near 8000 feet. 
   24 hr trend......9% drier. 
20-foot winds.......Downslope/downvalley winds 3 to 6 mph. 
                    Localized gusts up to 20 mph in the evening. 
CWR.................0 percent. 
LAL.................2 until 2400, then 1.
Haines Index........5 moderate. 
Mixing Height.......10500 ft AGL until 2000. 1500 ft AGL after 
                    2100. 
Transport Winds.....West 10 to 15 mph until 2400, then north. 
Clearing Index......1000 until 2100, then less than 500. 

.TUESDAY...
Sky/weather.........Sunny (0-10%). 
Max temperature.....73-83 F near 5000 feet 
                    58-68 F near 8000 feet. 
   24 hr trend......3 degrees cooler. 
Min humidity........10-15%. 
   24 hr trend......5% drier. 
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. 
Mixing Height.......3000 ft AGL until 1100, then 10000 ft AGL. 
Transport Winds.....Northwest 5 to 10 mph. 
Clearing Index......Less than 500 until 1100. 1050 after 1200. 

.TUESDAY NIGHT...
Sky/weather.........Clear (0-10%). 
Min temperature.....45-55 F near 5000 feet 
                    38-48 F near 8000 feet. 
   24 hr trend......3 degrees cooler. 
Max humidity........27-37%. 
   24 hr trend......5% drier. 
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. 
Mixing Height.......8000 ft AGL until 2000. 2000 ft AGL after 2100. 
Transport Winds.....North 5 to 10 mph. 
Clearing Index......1050 until 1900. Less than 500 after 2100. 

.WEDNESDAY...
Sky/weather.........Sunny (0-10%). 
Max temperature.....72-82 F near 5000 feet 
                    58-68 F near 8000 feet. 
   24 hr trend......1 degree cooler. 
Min humidity........6-11%. 
   24 hr trend......5% drier. 
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. 
Mixing Height.......3000 ft AGL until 1100, then 8500 ft AGL. 
Transport Winds.....Northeast 5 mph until 1200, then northwest. 
Clearing Index......Less than 500 until 1200, then 650. 

.FORECAST FOR DAY 3 THROUGH 7...
.THURSDAY...Clear. Lows 42-52. Highs 77-87. Winds less than
15 mph. 
.FRIDAY...Clear. Lows 45-55. Highs 80-90. Winds less than 15 mph.
.SATURDAY...Mostly clear. Lows 49-59. Highs 80-90. Winds less
than 15 mph. 
.SUNDAY...Mostly clear. Isolated showers and thunderstorms near
8000 feet. Lows 49-59. Highs 78-88. 
.MONDAY...Mostly clear. Isolated showers and thunderstorms near
8000 feet. Lows 47-57. Highs 77-87. 

$$