521  
FNUS55 KSLC 081938  
FWFSLC  
 
FIRE WEATHER PLANNING FORECAST FOR UTAH  
NATIONAL WEATHER SERVICE SALT LAKE CITY UT  
138 PM MDT THU MAY 8 2025  
   
..MOSTLY DRY AND UNSEASONABLY WARM THROUGH THE WEEKEND
 
 
   
BROADCAST DISCUSSION
 
ISOLATED DIURNAL SHOWERS (<10% CHANCE)  
WILL QUICKLY DISSIPATE AFTER SUNSET TODAY. HIGH PRESSURE WILL  
WARM TEMPERATURES 10 TO 20 DEGREES ABOVE NORMAL THROUGH THE  
WEEKEND WITH MOSTLY DRY CONDITIONS. WINDS WILL START TO INCREASE  
BY SUNDAY AHEAD OF A STORM EARLY NEXT WEEK.  
   
DISCUSSION
 
HIGH PRESSURE BUILDING OVER THE AREA WILL KEEP  
CONDITIONS MOSTLY DRY, ASIDE FROM SOME VERY ISOLATED DIURNAL  
DRIVEN CONVECTION ON THE TERRAIN (<10% CHANCE). CONDITIONS WILL  
ALSO WARM 10 TO 20 DEGREES ABOVE NORMAL. MIXING HEIGHTS WILL BE  
MORE TYPICAL OF THOSE WE SEE IN THE PEAK OF THE SUMMER MONTHS.  
 
BY SUNDAY, A TROUGH APPROACHES FROM THE PNW. THIS WILL LEAD TO  
STRONG SOUTHERLY WINDS DEVELOPING ACROSS THE REGION WITH DRY  
SURFACE CONDITIONS. DIURNAL HIGH-BASED CONVECTION WILL BE POSSIBLE  
(30-40% CHANCE) ACROSS NORTHEAST UTAH ON SUNDAY WHERE SOME  
ENHANCED LIFT FROM THE APPROACHING TROUGH WILL EXIST. WINDS STAY  
STRONG THROUGH MONDAY AND TUESDAY BEFORE THE TROUGH BRINGS A COLD  
FRONT WITH WIDESPREAD PRECIPITATION BY TUESDAY AFTERNOON AND  
EVENING.  
 
***THUNDERSTORMS IMPLY STRONG, GUSTY AND ERRATIC WINDS***  
***ALL WINDS ARE 20 FOOT, 10-MINUTE AVERAGES***  
 
UTZ478-091245-  
SALT LAKE DESERT-  
138 PM MDT THU MAY 8 2025  
   
TONIGHT
 
 
SKY/WEATHER.........MOSTLY CLEAR (15-25% CLOUD COVER).  
CHANCE LIGHTNING....0%.  
CWR.................0%.  
MIN TEMPERATURE.....45-55.  
24 HR TREND......3 DEGREES WARMER.  
MAX HUMIDITY........48-58% NEAR 5000 FEET.  
39-49% NEAR 8000 FEET.  
24 HR TREND......8% DRIER.  
20-FOOT WINDS.......DOWNSLOPE/DOWNVALLEY 5-10 MPH.  
12K FT MSL WINDS....NORTHWEST AROUND 10 MPH.  
   
FRIDAY
 
 
SKY/WEATHER.........SUNNY (15-25% CLOUD COVER).  
CHANCE LIGHTNING....0%.  
CWR.................0%.  
MAX TEMPERATURE.....73-82 NEAR 5000 FEET.  
61-68 NEAR 8000 FEET.  
24 HR TREND......4 DEGREES WARMER.  
MIN HUMIDITY........13-21% NEAR 5000 FEET.  
18-26% NEAR 8000 FEET.  
24 HR TREND......5% DRIER.  
20-FOOT WINDS.......UPSLOPE/UPVALLEY 5-10 MPH.  
12K FT MSL WINDS....NORTHWEST AROUND 10 MPH IN THE MORNING BECOMING  
LIGHT AND VARIABLE.  
MIXING HEIGHT.......11700 FT AGL.  
CLIMATOLOGY......60-70TH PERCENTILE.  
CLEARING INDEX......810.  
   
FRIDAY NIGHT
 
 
SKY/WEATHER.........PARTLY CLOUDY (30-40% CLOUD COVER).  
CHANCE LIGHTNING....0%.  
CWR.................0%.  
MIN TEMPERATURE.....46-56.  
24 HR TREND......2 DEGREES WARMER.  
MAX HUMIDITY........34-44% NEAR 5000 FEET.  
28-36% NEAR 8000 FEET.  
24 HR TREND......10% DRIER.  
20-FOOT WINDS.......DOWNSLOPE/DOWNVALLEY 5-10 MPH.  
12K FT MSL WINDS....LIGHT AND VARIABLE BECOMING SOUTHWEST AROUND 10  
MPH AFTER MIDNIGHT.  
   
SATURDAY
 
 
SKY/WEATHER.........SUNNY (15-25% CLOUD COVER) UNTIL 1200, THEN  
PARTLY CLOUDY (25-35% CLOUD COVER).  
CHANCE LIGHTNING....0%.  
CWR.................0%.  
MAX TEMPERATURE.....78-87 NEAR 5000 FEET.  
67-73 NEAR 8000 FEET.  
24 HR TREND......5 DEGREES WARMER.  
MIN HUMIDITY........11-19% NEAR 5000 FEET.  
16-23% NEAR 8000 FEET.  
24 HR TREND......5% DRIER.  
20-FOOT WINDS.......UPSLOPE/UPVALLEY 5-10 MPH.  
12K FT MSL WINDS....SOUTHWEST 10-15 MPH.  
MIXING HEIGHT.......13900 FT AGL.  
CLIMATOLOGY......80-90TH PERCENTILE.  
CLEARING INDEX......1000+.  
   
FORECAST DAYS 3 THROUGH 7
 
   
SUNDAY
 
PARTLY CLOUDY. SCATTERED RAIN SHOWERS. LOWS IN THE  
UPPER 50S IN THE VALLEYS AND IN THE LOWER 50S IN THE MOUNTAINS.  
HIGHS IN THE LOWER 80S IN THE VALLEYS AND IN THE UPPER 60S IN THE  
MOUNTAINS. SOUTH WINDS AROUND 20 MPH.    
MONDAY
 
PARTLY CLOUDY. ISOLATED RAIN SHOWERS. LOWS IN THE LOWER  
50S IN THE VALLEYS AND IN THE UPPER 40S IN THE MOUNTAINS. HIGHS  
IN THE MID 70S IN THE VALLEYS AND IN THE LOWER 60S IN THE  
MOUNTAINS. SOUTHWEST WINDS AROUND 20 MPH.    
TUESDAY
 
MOSTLY CLOUDY. SCATTERED RAIN SHOWERS AND ISOLATED  
THUNDERSTORMS. LOWS IN THE LOWER 40S IN THE VALLEYS AND IN THE  
MID 30S IN THE MOUNTAINS. HIGHS IN THE LOWER 60S IN THE VALLEYS  
AND IN THE UPPER 40S IN THE MOUNTAINS. NORTHWEST WINDS AROUND  
20 MPH.    
WEDNESDAY
 
MOSTLY CLOUDY. SCATTERED RAIN SHOWERS AND ISOLATED  
THUNDERSTORMS. LOWS IN THE UPPER 30S IN THE VALLEYS AND IN THE  
LOWER 30S IN THE MOUNTAINS. HIGHS AROUND 60 IN THE VALLEYS AND IN  
THE MID 40S IN THE MOUNTAINS.    
THURSDAY
 
PARTLY CLOUDY. ISOLATED SHOWERS AND THUNDERSTORMS.  
LOWS AROUND 40 IN THE VALLEYS AND IN THE MID 30S IN THE  
MOUNTAINS. HIGHS IN THE LOWER 60S IN THE VALLEYS AND IN THE UPPER  
40S IN THE MOUNTAINS.  
=  
 

 
 
UTZ479-091245-  
WASATCH MOUNTAINS-  
138 PM MDT THU MAY 8 2025  
   
TONIGHT
 
 
SKY/WEATHER.........MOSTLY CLEAR (10-20% CLOUD COVER).  
CHANCE LIGHTNING....0%.  
CWR.................0%.  
MIN TEMPERATURE.....40-50.  
24 HR TREND......3 DEGREES WARMER.  
MAX HUMIDITY........57-67% NEAR 5000 FEET.  
45-55% NEAR 8000 FEET.  
24 HR TREND......11% DRIER.  
20-FOOT WINDS.......DOWNSLOPE/DOWNVALLEY 5-10 MPH.  
12K FT MSL WINDS....NORTHWEST 10-15 MPH.  
   
FRIDAY
 
 
SKY/WEATHER.........SUNNY (5-15% CLOUD COVER) UNTIL 1200, THEN  
PARTLY CLOUDY (30-40% CLOUD COVER).  
CWR.................0%.  
MAX TEMPERATURE.....73-81 NEAR 5000 FEET.  
61-71 NEAR 8000 FEET.  
24 HR TREND......4 DEGREES WARMER.  
MIN HUMIDITY........17-25% NEAR 5000 FEET.  
20-30% NEAR 8000 FEET.  
24 HR TREND......8% DRIER.  
20-FOOT WINDS.......UPSLOPE/UPVALLEY 5-10 MPH.  
12K FT MSL WINDS....NORTH AROUND 15 MPH IN THE MORNING BECOMING  
LIGHT AND VARIABLE.  
MIXING HEIGHT.......9600 FT AGL.  
CLIMATOLOGY......60-70TH PERCENTILE.  
CLEARING INDEX......590.  
   
FRIDAY NIGHT
 
 
SKY/WEATHER.........MOSTLY CLEAR (15-25% CLOUD COVER).  
CHANCE LIGHTNING....0%.  
CWR.................0%.  
MIN TEMPERATURE.....42-52.  
24 HR TREND......2 DEGREES WARMER.  
MAX HUMIDITY........48-58% NEAR 5000 FEET.  
39-49% NEAR 8000 FEET.  
24 HR TREND......10% DRIER.  
20-FOOT WINDS.......DOWNSLOPE/DOWNVALLEY 5-10 MPH.  
12K FT MSL WINDS....LIGHT AND VARIABLE BECOMING SOUTH AROUND 15 MPH  
AFTER MIDNIGHT.  
   
SATURDAY
 
 
SKY/WEATHER.........SUNNY (15-25% CLOUD COVER) UNTIL 1200, THEN  
PARTLY CLOUDY (20-30% CLOUD COVER).  
CHANCE LIGHTNING....0% INCREASING TO 10% IN THE AFTERNOON.  
CWR.................0%.  
MAX TEMPERATURE.....77-86 NEAR 5000 FEET.  
65-75 NEAR 8000 FEET.  
24 HR TREND......4 DEGREES WARMER.  
MIN HUMIDITY........16-23% NEAR 5000 FEET.  
20-28% NEAR 8000 FEET.  
24 HR TREND......2% DRIER.  
20-FOOT WINDS.......UPSLOPE/UPVALLEY 5-10 MPH.  
12K FT MSL WINDS....SOUTHWEST 10-15 MPH.  
MIXING HEIGHT.......10700 FT AGL.  
CLIMATOLOGY......70-80TH PERCENTILE.  
CLEARING INDEX......1000+.  
   
FORECAST DAYS 3 THROUGH 7
 
   
SUNDAY
 
PARTLY CLOUDY. SCATTERED RAIN SHOWERS AND ISOLATED  
THUNDERSTORMS. LOWS IN THE MID 50S IN THE VALLEYS AND IN THE  
UPPER 40S IN THE MOUNTAINS. HIGHS IN THE UPPER 70S IN THE VALLEYS  
AND IN THE UPPER 60S IN THE MOUNTAINS. SOUTH WINDS AROUND 20 MPH.   
MONDAY
 
PARTLY CLOUDY. ISOLATED RAIN SHOWERS. LOWS IN THE LOWER  
50S IN THE VALLEYS AND IN THE MID 40S IN THE MOUNTAINS. HIGHS IN  
THE MID 70S IN THE VALLEYS AND IN THE LOWER 60S IN THE MOUNTAINS.  
SOUTH WINDS AROUND 20 MPH.    
TUESDAY
 
PARTLY CLOUDY. SCATTERED RAIN SHOWERS, SNOW SHOWERS  
AND THUNDERSTORMS. LOWS IN THE LOWER 40S IN THE VALLEYS AND IN  
THE UPPER 30S IN THE MOUNTAINS. HIGHS AROUND 60 IN THE VALLEYS  
AND IN THE LOWER 50S IN THE MOUNTAINS. SOUTHWEST WINDS AROUND  
20 MPH.    
WEDNESDAY
 
MOSTLY CLOUDY. SCATTERED SNOW SHOWERS, RAIN SHOWERS  
AND ISOLATED THUNDERSTORMS. LOWS IN THE UPPER 30S IN THE VALLEYS  
AND IN THE LOWER 30S IN THE MOUNTAINS. HIGHS IN THE MID 50S IN  
THE VALLEYS AND IN THE MID 40S IN THE MOUNTAINS.    
THURSDAY
 
PARTLY CLOUDY. SCATTERED RAIN SHOWERS, SNOW SHOWERS  
AND ISOLATED THUNDERSTORMS. LOWS IN THE UPPER 30S IN THE VALLEYS  
AND IN THE LOWER 30S IN THE MOUNTAINS. HIGHS AROUND 60 IN THE  
VALLEYS AND IN THE UPPER 40S IN THE MOUNTAINS.  
=  
 

 
 
UTZ480-091245-  
UINTA MOUNTAINS-  
138 PM MDT THU MAY 8 2025  
   
TONIGHT
 
 
SKY/WEATHER.........PARTLY CLOUDY (25-35% CLOUD COVER).  
CHANCE LIGHTNING....0%.  
CWR.................0%.  
MIN TEMPERATURE.....39-45 NEAR 7000 FEET.  
28-38 NEAR 9000 FEET.  
24 HR TREND......3 DEGREES WARMER.  
MAX HUMIDITY........55-64% NEAR 7000 FEET.  
66-76% NEAR 9000 FEET.  
24 HR TREND......7% DRIER.  
20-FOOT WINDS.......DOWNSLOPE/DOWNVALLEY 5-10 MPH.  
12K FT MSL WINDS....NORTHWEST AROUND 10 MPH.  
   
FRIDAY
 
 
SKY/WEATHER.........SUNNY (10-20% CLOUD COVER) UNTIL 1200, THEN  
PARTLY CLOUDY (35-45% CLOUD COVER).  
CHANCE LIGHTNING....0% INCREASING TO 10% IN THE AFTERNOON.  
CWR.................0%.  
MAX TEMPERATURE.....68-74 NEAR 7000 FEET.  
57-64 NEAR 9000 FEET.  
24 HR TREND......4 DEGREES WARMER.  
MIN HUMIDITY........22-32%.  
24 HR TREND......11% DRIER.  
20-FOOT WINDS.......UPSLOPE/UPVALLEY 5-10 MPH.  
12K FT MSL WINDS....NORTH AROUND 10 MPH IN THE MORNING BECOMING  
LIGHT AND VARIABLE.  
MIXING HEIGHT.......9000 FT AGL.  
CLIMATOLOGY......70-80TH PERCENTILE.  
CLEARING INDEX......580.  
   
FRIDAY NIGHT
 
 
SKY/WEATHER.........MOSTLY CLEAR (15-25% CLOUD COVER).  
CHANCE LIGHTNING....0%.  
CWR.................0%.  
MIN TEMPERATURE.....42-48 NEAR 7000 FEET.  
32-41 NEAR 9000 FEET.  
24 HR TREND......3 DEGREES WARMER.  
MAX HUMIDITY........47-54% NEAR 7000 FEET.  
52-62% NEAR 9000 FEET.  
24 HR TREND......9% DRIER NEAR 7000 FEET.  
16% DRIER NEAR 9000 FEET.  
20-FOOT WINDS.......DOWNSLOPE/DOWNVALLEY 5-10 MPH.  
12K FT MSL WINDS....LIGHT AND VARIABLE BECOMING SOUTH AROUND 15 MPH  
AFTER MIDNIGHT.  
   
SATURDAY
 
 
SKY/WEATHER.........SUNNY (10-20% CLOUD COVER) UNTIL 1200, THEN  
PARTLY CLOUDY (35-45% CLOUD COVER).  
CHANCE LIGHTNING....0% INCREASING TO 20% IN THE AFTERNOON.  
CWR.................0%.  
MAX TEMPERATURE.....72-78 NEAR 7000 FEET.  
61-69 NEAR 9000 FEET.  
24 HR TREND......3 DEGREES WARMER.  
MIN HUMIDITY........18-24% NEAR 7000 FEET.  
22-31% NEAR 9000 FEET.  
24 HR TREND......2% WETTER.  
20-FOOT WINDS.......UPSLOPE/UPVALLEY 5-10 MPH.  
12K FT MSL WINDS....SOUTHWEST 10-15 MPH.  
MIXING HEIGHT.......10200 FT AGL.  
CLIMATOLOGY......80-90TH PERCENTILE.  
CLEARING INDEX......1000+.  
   
FORECAST DAYS 3 THROUGH 7
 
   
SUNDAY
 
PARTLY CLOUDY. SCATTERED RAIN SHOWERS AND ISOLATED  
THUNDERSTORMS. LOWS IN THE LOWER 50S IN THE VALLEYS AND IN THE  
MID 40S IN THE MOUNTAINS. HIGHS IN THE LOWER 70S IN THE VALLEYS  
AND IN THE MID 60S IN THE MOUNTAINS. SOUTH WINDS AROUND 20 MPH.    
MONDAY
 
PARTLY CLOUDY. ISOLATED RAIN AND SNOW SHOWERS. LOWS IN  
THE LOWER 50S IN THE VALLEYS AND IN THE MID 40S IN THE MOUNTAINS.  
HIGHS IN THE UPPER 60S IN THE VALLEYS AND IN THE LOWER 60S IN THE  
MOUNTAINS. SOUTH WINDS AROUND 20 MPH.    
TUESDAY
 
PARTLY CLOUDY. SCATTERED SNOW SHOWERS, SHOWERS AND  
THUNDERSTORMS. LOWS IN THE LOWER 40S IN THE VALLEYS AND IN THE  
MID 30S IN THE MOUNTAINS. HIGHS IN THE MID 50S IN THE VALLEYS AND  
IN THE LOWER 50S IN THE MOUNTAINS. SOUTHWEST WINDS AROUND 20 MPH.   
WEDNESDAY
 
MOSTLY CLOUDY. SCATTERED SNOW SHOWERS AND  
THUNDERSTORMS. LOWS IN THE MID 30S IN THE VALLEYS AND IN THE  
UPPER 20S IN THE MOUNTAINS. HIGHS IN THE UPPER 40S IN THE VALLEYS  
AND IN THE MID 40S IN THE MOUNTAINS.    
THURSDAY
 
MOSTLY CLOUDY. SCATTERED SNOW SHOWERS AND ISOLATED  
THUNDERSTORMS. LOWS IN THE MID 30S IN THE VALLEYS AND IN THE MID  
20S IN THE MOUNTAINS. HIGHS IN THE LOWER 50S IN THE VALLEYS AND  
IN THE MID 40S IN THE MOUNTAINS.  
=  
 

 
 
UTZ481-091245-  
WESTERN ASHLEY NATIONAL FOREST-  
138 PM MDT THU MAY 8 2025  
   
TONIGHT
 
 
SKY/WEATHER.........MOSTLY CLOUDY (50-60% CLOUD COVER) UNTIL 2400,  
THEN MOSTLY CLEAR (15-25% CLOUD COVER).  
CHANCE LIGHTNING....0%.  
CWR.................0%.  
MIN TEMPERATURE.....39-45 NEAR 7000 FEET.  
28-38 NEAR 10000 FEET.  
24 HR TREND......3 DEGREES WARMER.  
MAX HUMIDITY........47-57% NEAR 7000 FEET.  
55-65% NEAR 10000 FEET.  
24 HR TREND......6% DRIER.  
20-FOOT WINDS.......DOWNSLOPE/DOWNVALLEY 5-10 MPH.  
12K FT MSL WINDS....NORTHWEST AROUND 15 MPH IN THE EVENING BECOMING  
LIGHT AND VARIABLE.  
   
FRIDAY
 
 
SKY/WEATHER.........SUNNY (10-20% CLOUD COVER) UNTIL 1200, THEN  
PARTLY SUNNY (50-60% CLOUD COVER).  
CHANCE LIGHTNING....0% INCREASING TO 10% IN THE AFTERNOON.  
CWR.................0%.  
MAX TEMPERATURE.....66-75 NEAR 7000 FEET.  
53-63 NEAR 10000 FEET.  
24 HR TREND......3 DEGREES WARMER.  
MIN HUMIDITY........26-36%.  
24 HR TREND......6% DRIER.  
20-FOOT WINDS.......UPSLOPE/UPVALLEY 5-10 MPH.  
12K FT MSL WINDS....LIGHT AND VARIABLE.  
MIXING HEIGHT.......8200 FT AGL.  
CLIMATOLOGY......70-80TH PERCENTILE.  
CLEARING INDEX......670.  
   
FRIDAY NIGHT
 
 
SKY/WEATHER.........PARTLY CLOUDY (25-35% CLOUD COVER).  
CHANCE LIGHTNING....0%.  
CWR.................0%.  
MIN TEMPERATURE.....43-49 NEAR 7000 FEET.  
32-42 NEAR 10000 FEET.  
24 HR TREND......3 DEGREES WARMER.  
MAX HUMIDITY........39-48% NEAR 7000 FEET.  
44-54% NEAR 10000 FEET.  
24 HR TREND......9% DRIER NEAR 7000 FEET.  
14% DRIER NEAR 10000 FEET.  
20-FOOT WINDS.......DOWNSLOPE/DOWNVALLEY 5-10 MPH.  
12K FT MSL WINDS....LIGHT AND VARIABLE BECOMING SOUTH AROUND 10 MPH  
AFTER MIDNIGHT.  
   
SATURDAY
 
 
SKY/WEATHER.........SUNNY (5-15% CLOUD COVER) UNTIL 1200, THEN  
PARTLY CLOUDY (35-45% CLOUD COVER).  
CHANCE LIGHTNING....0% INCREASING TO 10% IN THE AFTERNOON.  
CWR.................0%.  
MAX TEMPERATURE.....70-79 NEAR 7000 FEET.  
56-66 NEAR 10000 FEET.  
24 HR TREND......6 DEGREES WARMER.  
MIN HUMIDITY........24-34%.  
24 HR TREND......UNCHANGED.  
20-FOOT WINDS.......UPSLOPE/UPVALLEY 5-10 MPH.  
12K FT MSL WINDS....SOUTHWEST 10-15 MPH.  
MIXING HEIGHT.......9700 FT AGL.  
CLIMATOLOGY......80-90TH PERCENTILE.  
CLEARING INDEX......940.  
   
FORECAST DAYS 3 THROUGH 7
 
   
SUNDAY
 
PARTLY CLOUDY. SCATTERED SHOWERS AND THUNDERSTORMS.  
LOWS IN THE UPPER 40S IN THE VALLEYS AND AROUND 40 IN THE  
MOUNTAINS. HIGHS IN THE LOWER 70S IN THE VALLEYS AND IN THE UPPER  
50S IN THE MOUNTAINS. SOUTH WINDS AROUND 20 MPH.    
MONDAY
 
BREEZY. PARTLY CLOUDY. ISOLATED RAIN AND SNOW SHOWERS.  
LOWS IN THE MID 40S IN THE VALLEYS AND IN THE UPPER 30S IN THE  
MOUNTAINS. HIGHS IN THE UPPER 60S IN THE VALLEYS AND IN THE MID  
50S IN THE MOUNTAINS. SOUTH WINDS AROUND 25 MPH.    
TUESDAY
 
BREEZY. PARTLY CLOUDY. SCATTERED SNOW SHOWERS AND  
THUNDERSTORMS. LOWS IN THE LOWER 40S IN THE VALLEYS AND IN THE  
LOWER 30S IN THE MOUNTAINS. HIGHS AROUND 60 IN THE VALLEYS AND IN  
THE UPPER 40S IN THE MOUNTAINS. SOUTHWEST WINDS AROUND 25 MPH.    
WEDNESDAY
 
MOSTLY CLOUDY. SCATTERED SNOW SHOWERS AND  
THUNDERSTORMS. LOWS IN THE LOWER 30S IN THE VALLEYS AND IN THE  
MID 20S IN THE MOUNTAINS. HIGHS IN THE LOWER 50S IN THE VALLEYS  
AND IN THE LOWER 40S IN THE MOUNTAINS.    
THURSDAY
 
PARTLY CLOUDY. ISOLATED THUNDERSTORMS AND SNOW  
SHOWERS. LOWS IN THE LOWER 30S IN THE VALLEYS AND IN THE MID 20S  
IN THE MOUNTAINS. HIGHS IN THE MID 50S IN THE VALLEYS AND IN THE  
LOWER 40S IN THE MOUNTAINS.  
=  
 

 
 
UTZ482-091245-  
WESTERN UINTAH BASIN-  
138 PM MDT THU MAY 8 2025  
   
TONIGHT
 
 
SKY/WEATHER.........MOSTLY CLOUDY (50-60% CLOUD COVER) UNTIL 2400,  
THEN MOSTLY CLEAR (15-25% CLOUD COVER).  
CHANCE LIGHTNING....0%.  
CWR.................0%.  
MIN TEMPERATURE.....37-47.  
24 HR TREND......3 DEGREES WARMER.  
MAX HUMIDITY........49-59% NEAR 6000 FEET.  
45-55% NEAR 8000 FEET.  
24 HR TREND......10% DRIER.  
20-FOOT WINDS.......DOWNSLOPE/DOWNVALLEY 5-10 MPH.  
12K FT MSL WINDS....NORTHWEST AROUND 10 MPH IN THE EVENING BECOMING  
LIGHT AND VARIABLE.  
   
FRIDAY
 
 
SKY/WEATHER.........SUNNY (15-25% CLOUD COVER) UNTIL 1200, THEN  
PARTLY CLOUDY (35-45% CLOUD COVER).  
CHANCE LIGHTNING....0%.  
CWR.................0%.  
MAX TEMPERATURE.....72-78 NEAR 6000 FEET.  
64-70 NEAR 8000 FEET.  
24 HR TREND......3 DEGREES WARMER.  
MIN HUMIDITY........16-24%.  
24 HR TREND......5% DRIER.  
20-FOOT WINDS.......UPSLOPE/UPVALLEY 5-10 MPH.  
12K FT MSL WINDS....LIGHT AND VARIABLE.  
MIXING HEIGHT.......10500 FT AGL.  
CLIMATOLOGY......70-80TH PERCENTILE.  
CLEARING INDEX......760.  
   
FRIDAY NIGHT
 
 
SKY/WEATHER.........PARTLY CLOUDY (20-30% CLOUD COVER).  
CHANCE LIGHTNING....0%.  
CWR.................0%.  
MIN TEMPERATURE.....40-50.  
24 HR TREND......3 DEGREES WARMER.  
MAX HUMIDITY........43-53%.  
24 HR TREND......8% DRIER.  
20-FOOT WINDS.......DOWNSLOPE/DOWNVALLEY 5-10 MPH.  
12K FT MSL WINDS....LIGHT AND VARIABLE BECOMING SOUTHEAST AROUND 10  
MPH AFTER MIDNIGHT.  
   
SATURDAY
 
 
SKY/WEATHER.........SUNNY (10-20% CLOUD COVER).  
CHANCE LIGHTNING....0%.  
CWR.................0%.  
MAX TEMPERATURE.....76-82 NEAR 6000 FEET.  
67-73 NEAR 8000 FEET.  
24 HR TREND......4 DEGREES WARMER.  
MIN HUMIDITY........16-20% NEAR 6000 FEET.  
20-26% NEAR 8000 FEET.  
24 HR TREND......1% WETTER.  
20-FOOT WINDS.......UPSLOPE/UPVALLEY 5-10 MPH.  
12K FT MSL WINDS....SOUTHWEST AROUND 10 MPH.  
MIXING HEIGHT.......11800 FT AGL.  
CLIMATOLOGY......80-90TH PERCENTILE.  
CLEARING INDEX......1000+.  
   
FORECAST DAYS 3 THROUGH 7
 
   
SUNDAY
 
PARTLY CLOUDY. SCATTERED RAIN SHOWERS AND ISOLATED  
THUNDERSTORMS. LOWS AROUND 50. HIGHS IN THE UPPER 70S IN THE  
VALLEYS AND IN THE UPPER 60S IN THE MOUNTAINS. SOUTHWEST WINDS  
AROUND 15 MPH.    
MONDAY
 
PARTLY CLOUDY. LOWS IN THE UPPER 40S. HIGHS IN THE MID  
70S IN THE VALLEYS AND IN THE MID 60S IN THE MOUNTAINS. SOUTHWEST  
WINDS AROUND 20 MPH.    
TUESDAY
 
PARTLY CLOUDY. SCATTERED RAIN SHOWERS, THUNDERSTORMS  
AND SNOW SHOWERS. LOWS IN THE LOWER 40S. HIGHS IN THE UPPER 60S  
IN THE VALLEYS AND IN THE UPPER 50S IN THE MOUNTAINS. SOUTHWEST  
WINDS AROUND 20 MPH.    
WEDNESDAY
 
MOSTLY CLOUDY. SCATTERED RAIN SHOWERS, THUNDERSTORMS  
AND SNOW SHOWERS. LOWS IN THE MID 30S. HIGHS AROUND 60 IN THE  
VALLEYS AND IN THE UPPER 40S IN THE MOUNTAINS.    
THURSDAY
 
PARTLY CLOUDY. LOWS IN THE MID 30S. HIGHS IN THE  
LOWER 60S IN THE VALLEYS AND IN THE LOWER 50S IN THE MOUNTAINS.  
=  
 

 
 
UTZ483-091245-  
SOUTHERN ASHLEY NATIONAL FOREST-  
138 PM MDT THU MAY 8 2025  
   
TONIGHT
 
 
SKY/WEATHER.........MOSTLY CLOUDY (55-65% CLOUD COVER) UNTIL 2400,  
THEN MOSTLY CLEAR (5-15% CLOUD COVER).  
CHANCE LIGHTNING....0%.  
CWR.................0%.  
MIN TEMPERATURE.....39-49.  
24 HR TREND......4 DEGREES WARMER.  
MAX HUMIDITY........44-54%.  
24 HR TREND......14% DRIER.  
20-FOOT WINDS.......DOWNSLOPE/DOWNVALLEY 5-10 MPH.  
12K FT MSL WINDS....NORTHWEST AROUND 10 MPH IN THE EVENING BECOMING  
LIGHT AND VARIABLE.  
   
FRIDAY
 
 
SKY/WEATHER.........SUNNY (10-20% CLOUD COVER) UNTIL 1200, THEN  
PARTLY CLOUDY (45-55% CLOUD COVER).  
CHANCE LIGHTNING....0%.  
CWR.................0%.  
MAX TEMPERATURE.....69-75 NEAR 7000 FEET.  
59-65 NEAR 9000 FEET.  
24 HR TREND......3 DEGREES WARMER.  
MIN HUMIDITY........16-20% NEAR 7000 FEET.  
19-26% NEAR 9000 FEET.  
24 HR TREND......6% DRIER.  
20-FOOT WINDS.......UPSLOPE/UPVALLEY 5-10 MPH.  
12K FT MSL WINDS....LIGHT AND VARIABLE.  
MIXING HEIGHT.......10400 FT AGL.  
CLIMATOLOGY......80-90TH PERCENTILE.  
CLEARING INDEX......730.  
   
FRIDAY NIGHT
 
 
SKY/WEATHER.........PARTLY CLOUDY (25-35% CLOUD COVER).  
CHANCE LIGHTNING....0%.  
CWR.................0%.  
MIN TEMPERATURE.....41-51.  
24 HR TREND......2 DEGREES WARMER.  
MAX HUMIDITY........37-47%.  
24 HR TREND......8% DRIER.  
20-FOOT WINDS.......DOWNSLOPE/DOWNVALLEY 5-10 MPH.  
12K FT MSL WINDS....LIGHT AND VARIABLE BECOMING SOUTHEAST AROUND 10  
MPH AFTER MIDNIGHT.  
   
SATURDAY
 
 
SKY/WEATHER.........SUNNY (10-20% CLOUD COVER).  
CHANCE LIGHTNING....0%.  
CWR.................0%.  
MAX TEMPERATURE.....73-79 NEAR 7000 FEET.  
62-68 NEAR 9000 FEET.  
24 HR TREND......4 DEGREES WARMER.  
MIN HUMIDITY........15-21% NEAR 7000 FEET.  
19-26% NEAR 9000 FEET.  
24 HR TREND......2% WETTER.  
20-FOOT WINDS.......UPSLOPE/UPVALLEY 5-10 MPH.  
12K FT MSL WINDS....SOUTHWEST AROUND 10 MPH.  
MIXING HEIGHT.......11000 FT AGL.  
CLIMATOLOGY......80-90TH PERCENTILE.  
CLEARING INDEX......1000+.  
   
FORECAST DAYS 3 THROUGH 7
 
   
SUNDAY
 
PARTLY CLOUDY. SCATTERED RAIN SHOWERS AND ISOLATED  
THUNDERSTORMS. LOWS IN THE LOWER 50S IN THE VALLEYS AND IN THE  
UPPER 40S IN THE MOUNTAINS. HIGHS IN THE MID 70S IN THE VALLEYS  
AND IN THE LOWER 60S IN THE MOUNTAINS. SOUTH WINDS AROUND 15 MPH.   
MONDAY
 
PARTLY CLOUDY. ISOLATED RAIN SHOWERS. LOWS IN THE LOWER  
50S IN THE VALLEYS AND IN THE MID 40S IN THE MOUNTAINS. HIGHS IN  
THE LOWER 70S IN THE VALLEYS AND IN THE LOWER 60S IN THE  
MOUNTAINS. SOUTH WINDS AROUND 20 MPH.    
TUESDAY
 
PARTLY CLOUDY. SCATTERED RAIN SHOWERS, THUNDERSTORMS  
AND SNOW SHOWERS. LOWS IN THE UPPER 40S IN THE VALLEYS AND IN THE  
LOWER 40S IN THE MOUNTAINS. HIGHS IN THE MID 60S IN THE VALLEYS  
AND IN THE LOWER 50S IN THE MOUNTAINS. SOUTHWEST WINDS AROUND  
20 MPH.    
WEDNESDAY
 
MOSTLY CLOUDY. SCATTERED SNOW SHOWERS, RAIN SHOWERS  
AND ISOLATED THUNDERSTORMS. LOWS IN THE UPPER 30S IN THE VALLEYS  
AND IN THE LOWER 30S IN THE MOUNTAINS. HIGHS IN THE MID 50S IN  
THE VALLEYS AND IN THE MID 40S IN THE MOUNTAINS.    
THURSDAY
 
PARTLY CLOUDY. ISOLATED THUNDERSTORMS AND SNOW  
SHOWERS. LOWS IN THE UPPER 30S IN THE VALLEYS AND IN THE LOWER  
30S IN THE MOUNTAINS. HIGHS IN THE UPPER 50S IN THE VALLEYS AND  
IN THE UPPER 40S IN THE MOUNTAINS.  
=  
 

 
 
UTZ484-091245-  
TAVAPUTS PLATEAU-  
138 PM MDT THU MAY 8 2025  
   
TONIGHT
 
 
SKY/WEATHER.........MOSTLY CLOUDY (60-70% CLOUD COVER) UNTIL 2400,  
THEN MOSTLY CLEAR (15-25% CLOUD COVER).  
CHANCE LIGHTNING....0%.  
CWR.................0%.  
MIN TEMPERATURE.....46-53 NEAR 6000 FEET.  
40-50 NEAR 8000 FEET.  
24 HR TREND......5 DEGREES WARMER.  
MAX HUMIDITY........42-52% NEAR 6000 FEET.  
46-56% NEAR 8000 FEET.  
24 HR TREND......12% DRIER.  
20-FOOT WINDS.......DOWNSLOPE/DOWNVALLEY 5-10 MPH.  
12K FT MSL WINDS....NORTH AROUND 10 MPH IN THE EVENING BECOMING  
LIGHT AND VARIABLE.  
   
FRIDAY
 
 
SKY/WEATHER.........SUNNY (15-25% CLOUD COVER) UNTIL 1200, THEN  
PARTLY CLOUDY (35-45% CLOUD COVER).  
CHANCE LIGHTNING....0%.  
CWR.................0%.  
MAX TEMPERATURE.....74-80 NEAR 6000 FEET.  
64-70 NEAR 8000 FEET.  
24 HR TREND......3 DEGREES WARMER.  
MIN HUMIDITY........12-18% NEAR 6000 FEET.  
17-25% NEAR 8000 FEET.  
24 HR TREND......6% DRIER.  
20-FOOT WINDS.......UPSLOPE/UPVALLEY 5-10 MPH.  
12K FT MSL WINDS....LIGHT AND VARIABLE.  
MIXING HEIGHT.......10700 FT AGL.  
CLIMATOLOGY......70-80TH PERCENTILE.  
CLEARING INDEX......800.  
   
FRIDAY NIGHT
 
 
SKY/WEATHER.........PARTLY CLOUDY (25-35% CLOUD COVER).  
CHANCE LIGHTNING....0%.  
CWR.................0%.  
MIN TEMPERATURE.....49-55 NEAR 6000 FEET.  
42-52 NEAR 8000 FEET.  
24 HR TREND......2 DEGREES WARMER.  
MAX HUMIDITY........33-41% NEAR 6000 FEET.  
35-45% NEAR 8000 FEET.  
24 HR TREND......10% DRIER.  
20-FOOT WINDS.......DOWNSLOPE/DOWNVALLEY 5-10 MPH.  
12K FT MSL WINDS....LIGHT AND VARIABLE.  
   
SATURDAY
 
 
SKY/WEATHER.........SUNNY (5-15% CLOUD COVER).  
CHANCE LIGHTNING....0%.  
CWR.................0%.  
MAX TEMPERATURE.....78-84 NEAR 6000 FEET.  
67-73 NEAR 8000 FEET.  
24 HR TREND......4 DEGREES COOLER.  
MIN HUMIDITY........13-17% NEAR 6000 FEET.  
16-23% NEAR 8000 FEET.  
24 HR TREND......1% DRIER.  
20-FOOT WINDS.......UPSLOPE/UPVALLEY 5-10 MPH.  
12K FT MSL WINDS....SOUTHWEST AROUND 10 MPH.  
MIXING HEIGHT.......11600 FT AGL.  
CLIMATOLOGY......70-80TH PERCENTILE.  
CLEARING INDEX......1000+.  
   
FORECAST DAYS 3 THROUGH 7
 
   
SUNDAY
 
PARTLY CLOUDY. SCATTERED RAIN SHOWERS AND ISOLATED  
THUNDERSTORMS. LOWS IN THE MID 50S IN THE VALLEYS AND AROUND  
50 IN THE MOUNTAINS. HIGHS AROUND 80 IN THE VALLEYS AND IN THE  
UPPER 60S IN THE MOUNTAINS. SOUTH WINDS AROUND 15 MPH.    
MONDAY
 
BREEZY. PARTLY CLOUDY. ISOLATED RAIN SHOWERS. LOWS IN  
THE MID 50S IN THE VALLEYS AND IN THE UPPER 40S IN THE MOUNTAINS.  
HIGHS IN THE UPPER 70S IN THE VALLEYS AND IN THE UPPER 60S IN THE  
MOUNTAINS. SOUTH WINDS AROUND 25 MPH.    
TUESDAY
 
PARTLY CLOUDY. SCATTERED RAIN SHOWERS, THUNDERSTORMS  
AND SNOW SHOWERS. LOWS IN THE LOWER 50S IN THE VALLEYS AND IN THE  
MID 40S IN THE MOUNTAINS. HIGHS AROUND 70 IN THE VALLEYS AND IN  
THE UPPER 50S IN THE MOUNTAINS. SOUTHWEST WINDS AROUND 20 MPH.    
WEDNESDAY
 
MOSTLY CLOUDY. SCATTERED RAIN SHOWERS, SNOW SHOWERS  
AND ISOLATED THUNDERSTORMS. LOWS IN THE LOWER 40S IN THE VALLEYS  
AND IN THE MID 30S IN THE MOUNTAINS. HIGHS IN THE LOWER 60S IN  
THE VALLEYS AND IN THE LOWER 50S IN THE MOUNTAINS.    
THURSDAY
 
PARTLY CLOUDY. LOWS AROUND 40 IN THE VALLEYS AND IN  
THE LOWER 30S IN THE MOUNTAINS. HIGHS IN THE MID 60S IN THE  
VALLEYS AND IN THE MID 50S IN THE MOUNTAINS.  
=  
 

 
 
UTZ488-091245-  
MANTI NATIONAL FOREST-  
138 PM MDT THU MAY 8 2025  
   
TONIGHT
 
 
SKY/WEATHER.........PARTLY CLOUDY (20-30% CLOUD COVER).  
CHANCE LIGHTNING....0%.  
CWR.................0%.  
MIN TEMPERATURE.....41-51 NEAR 6500 FEET.  
36-46 NEAR 8500 FEET.  
24 HR TREND......4 DEGREES WARMER.  
MAX HUMIDITY........48-58%.  
24 HR TREND......17% DRIER.  
20-FOOT WINDS.......DOWNSLOPE/DOWNVALLEY 5-10 MPH.  
12K FT MSL WINDS....NORTHWEST AROUND 10 MPH.  
   
FRIDAY
 
 
SKY/WEATHER.........SUNNY (5-15% CLOUD COVER) UNTIL 1200, THEN  
PARTLY SUNNY (55-65% CLOUD COVER).  
CHANCE LIGHTNING....0%.  
CWR.................0%.  
MAX TEMPERATURE.....70-80 NEAR 6500 FEET.  
60-69 NEAR 8500 FEET.  
24 HR TREND......4 DEGREES WARMER.  
MIN HUMIDITY........15-21% NEAR 6500 FEET.  
18-26% NEAR 8500 FEET.  
24 HR TREND......7% DRIER.  
20-FOOT WINDS.......UPSLOPE/UPVALLEY 5-10 MPH.  
12K FT MSL WINDS....NORTH AROUND 10 MPH IN THE MORNING BECOMING  
LIGHT AND VARIABLE.  
MIXING HEIGHT.......10000 FT AGL.  
CLIMATOLOGY......70-80TH PERCENTILE.  
CLEARING INDEX......610.  
   
FRIDAY NIGHT
 
 
SKY/WEATHER.........MOSTLY CLOUDY (50-60% CLOUD COVER) UNTIL 2400,  
THEN MOSTLY CLEAR (5-15% CLOUD COVER).  
CHANCE LIGHTNING....0%.  
CWR.................0%.  
MIN TEMPERATURE.....43-53 NEAR 6500 FEET.  
39-48 NEAR 8500 FEET.  
24 HR TREND......3 DEGREES WARMER.  
MAX HUMIDITY........39-49%.  
24 HR TREND......9% DRIER.  
20-FOOT WINDS.......DOWNSLOPE/DOWNVALLEY 5-10 MPH.  
12K FT MSL WINDS....LIGHT AND VARIABLE BECOMING SOUTHEAST AROUND 10  
MPH AFTER MIDNIGHT.  
   
SATURDAY
 
 
SKY/WEATHER.........SUNNY (0-10% CLOUD COVER) UNTIL 1200, THEN  
PARTLY CLOUDY (30-40% CLOUD COVER).  
CHANCE LIGHTNING....0% INCREASING TO 10% IN THE AFTERNOON.  
CWR.................0%.  
MAX TEMPERATURE.....73-83 NEAR 6500 FEET.  
62-72 NEAR 8500 FEET.  
24 HR TREND......1 DEGREE WARMER.  
MIN HUMIDITY........16-22% NEAR 6500 FEET.  
18-28% NEAR 8500 FEET.  
24 HR TREND......2% WETTER.  
20-FOOT WINDS.......UPSLOPE/UPVALLEY 5-10 MPH.  
12K FT MSL WINDS....SOUTH AROUND 10 MPH.  
MIXING HEIGHT.......10600 FT AGL.  
CLIMATOLOGY......80-90TH PERCENTILE.  
CLEARING INDEX......1000+.  
   
FORECAST DAYS 3 THROUGH 7
 
   
SUNDAY
 
PARTLY CLOUDY. SCATTERED RAIN SHOWERS AND ISOLATED  
THUNDERSTORMS. LOWS IN THE LOWER 50S IN THE VALLEYS AND IN THE  
UPPER 40S IN THE MOUNTAINS. HIGHS IN THE MID 70S IN THE VALLEYS  
AND IN THE MID 60S IN THE MOUNTAINS. SOUTH WINDS AROUND 20 MPH.    
MONDAY
 
BREEZY. PARTLY CLOUDY. ISOLATED RAIN SHOWERS. LOWS  
AROUND 50 IN THE VALLEYS AND IN THE MID 40S IN THE MOUNTAINS.  
HIGHS IN THE LOWER 70S IN THE VALLEYS AND IN THE LOWER 60S IN THE  
MOUNTAINS. SOUTHWEST WINDS AROUND 25 MPH.    
TUESDAY
 
BREEZY. PARTLY CLOUDY. SCATTERED SNOW SHOWERS, SHOWERS  
AND THUNDERSTORMS. LOWS IN THE MID 40S IN THE VALLEYS AND IN THE  
UPPER 30S IN THE MOUNTAINS. HIGHS IN THE LOWER 60S IN THE VALLEYS  
AND IN THE LOWER 50S IN THE MOUNTAINS. SOUTHWEST WINDS AROUND  
25 MPH.    
WEDNESDAY
 
MOSTLY CLOUDY. SCATTERED SNOW SHOWERS AND ISOLATED  
THUNDERSTORMS. LOWS IN THE MID 30S IN THE VALLEYS AND IN THE  
LOWER 30S IN THE MOUNTAINS. HIGHS IN THE MID 50S IN THE VALLEYS  
AND IN THE MID 40S IN THE MOUNTAINS.    
THURSDAY
 
PARTLY CLOUDY. ISOLATED THUNDERSTORMS AND SNOW  
SHOWERS. LOWS IN THE MID 30S IN THE VALLEYS AND IN THE LOWER 30S  
IN THE MOUNTAINS. HIGHS IN THE UPPER 50S IN THE VALLEYS AND IN  
THE UPPER 40S IN THE MOUNTAINS.  
=  
 

 
 
UTZ489-091245-  
SAN RAFAEL SWELL-  
138 PM MDT THU MAY 8 2025  
   
TONIGHT
 
 
SKY/WEATHER.........PARTLY CLOUDY (25-35% CLOUD COVER).  
CHANCE LIGHTNING....0%.  
CWR.................0%.  
MIN TEMPERATURE.....46-56.  
24 HR TREND......4 DEGREES WARMER.  
MAX HUMIDITY........41-51%.  
24 HR TREND......14% DRIER.  
20-FOOT WINDS.......DOWNSLOPE/DOWNVALLEY 5-10 MPH.  
12K FT MSL WINDS....NORTHWEST AROUND 10 MPH IN THE EVENING BECOMING  
LIGHT AND VARIABLE.  
   
FRIDAY
 
 
SKY/WEATHER.........SUNNY (15-25% CLOUD COVER).  
CHANCE LIGHTNING....0%.  
CWR.................0%.  
MAX TEMPERATURE.....80-86 NEAR 5000 FEET.  
69-75 NEAR 7000 FEET.  
24 HR TREND......4 DEGREES WARMER.  
MIN HUMIDITY........12-18%.  
24 HR TREND......4% DRIER.  
20-FOOT WINDS.......UPSLOPE/UPVALLEY 5-10 MPH.  
12K FT MSL WINDS....LIGHT AND VARIABLE.  
MIXING HEIGHT.......11300 FT AGL.  
CLIMATOLOGY......70-80TH PERCENTILE.  
CLEARING INDEX......770.  
   
FRIDAY NIGHT
 
 
SKY/WEATHER.........MOSTLY CLEAR (20-30% CLOUD COVER).  
CHANCE LIGHTNING....0%.  
CWR.................0%.  
MIN TEMPERATURE.....48-58.  
24 HR TREND......2 DEGREES WARMER.  
MAX HUMIDITY........35-45% NEAR 5000 FEET.  
32-40% NEAR 7000 FEET.  
24 HR TREND......7% DRIER.  
20-FOOT WINDS.......DOWNSLOPE/DOWNVALLEY 5-10 MPH.  
12K FT MSL WINDS....LIGHT AND VARIABLE.  
   
SATURDAY
 
 
SKY/WEATHER.........SUNNY (5-15% CLOUD COVER).  
CHANCE LIGHTNING....0%.  
CWR.................0%.  
MAX TEMPERATURE.....82-88 NEAR 5000 FEET.  
71-77 NEAR 7000 FEET.  
24 HR TREND......4 DEGREES WARMER.  
MIN HUMIDITY........12-18%.  
24 HR TREND......1% WETTER.  
20-FOOT WINDS.......UPSLOPE/UPVALLEY 5-10 MPH.  
12K FT MSL WINDS....LIGHT AND VARIABLE BECOMING SOUTHWEST AROUND 10  
MPH IN THE AFTERNOON.  
MIXING HEIGHT.......11400 FT AGL.  
CLIMATOLOGY......70-80TH PERCENTILE.  
CLEARING INDEX......1000+.  
   
FORECAST DAYS 3 THROUGH 7
 
   
SUNDAY
 
PARTLY CLOUDY. LOWS IN THE MID 50S. HIGHS IN THE MID  
80S IN THE VALLEYS AND IN THE MID 70S IN THE MOUNTAINS. SOUTH  
WINDS AROUND 15 MPH.    
MONDAY
 
BREEZY. PARTLY CLOUDY. LOWS IN THE MID 50S. HIGHS IN  
THE MID 80S IN THE VALLEYS AND IN THE MID 70S IN THE MOUNTAINS.  
SOUTH WINDS AROUND 25 MPH.    
TUESDAY
 
BREEZY. PARTLY CLOUDY. ISOLATED SHOWERS AND  
THUNDERSTORMS. LOWS IN THE LOWER 50S IN THE VALLEYS AND IN THE  
UPPER 40S IN THE MOUNTAINS. HIGHS IN THE MID 70S IN THE VALLEYS  
AND IN THE MID 60S IN THE MOUNTAINS. SOUTHWEST WINDS AROUND  
25 MPH.    
WEDNESDAY
 
PARTLY CLOUDY. ISOLATED RAIN SHOWERS, THUNDERSTORMS  
AND SNOW SHOWERS. LOWS AROUND 40. HIGHS IN THE UPPER 60S IN THE  
VALLEYS AND IN THE UPPER 50S IN THE MOUNTAINS.    
THURSDAY
 
PARTLY CLOUDY. LOWS IN THE UPPER 30S. HIGHS IN THE  
LOWER 70S IN THE VALLEYS AND AROUND 60 IN THE MOUNTAINS.  
=  
 

 
 
UTZ492-091245-  
CENTRAL UTAH WEST DESERT-  
138 PM MDT THU MAY 8 2025  
   
TONIGHT
 
 
SKY/WEATHER.........PARTLY CLOUDY (25-35% CLOUD COVER).  
CHANCE LIGHTNING....0%.  
CWR.................0%.  
MIN TEMPERATURE.....45-55 NEAR 5000 FEET.  
40-50 NEAR 8000 FEET.  
24 HR TREND......5 DEGREES WARMER.  
MAX HUMIDITY........48-58% NEAR 5000 FEET.  
43-53% NEAR 8000 FEET.  
24 HR TREND......16% DRIER.  
20-FOOT WINDS.......DOWNSLOPE/DOWNVALLEY 5-10 MPH.  
12K FT MSL WINDS....LIGHT AND VARIABLE.  
   
FRIDAY
 
 
SKY/WEATHER.........SUNNY (15-25% CLOUD COVER).  
CHANCE LIGHTNING....0%.  
CWR.................0%.  
MAX TEMPERATURE.....77-83 NEAR 5000 FEET.  
63-69 NEAR 8000 FEET.  
24 HR TREND......4 DEGREES WARMER.  
MIN HUMIDITY........13-19% NEAR 5000 FEET.  
16-24% NEAR 8000 FEET.  
24 HR TREND......6% DRIER.  
20-FOOT WINDS.......UPSLOPE/UPVALLEY 5-10 MPH.  
12K FT MSL WINDS....LIGHT AND VARIABLE.  
MIXING HEIGHT.......11100 FT AGL.  
CLIMATOLOGY......70-80TH PERCENTILE.  
CLEARING INDEX......730.  
   
FRIDAY NIGHT
 
 
SKY/WEATHER.........MOSTLY CLEAR (20-30% CLOUD COVER).  
CHANCE LIGHTNING....0%.  
CWR.................0%.  
MIN TEMPERATURE.....47-57 NEAR 5000 FEET.  
42-52 NEAR 8000 FEET.  
24 HR TREND......1 DEGREE WARMER.  
MAX HUMIDITY........37-47% NEAR 5000 FEET.  
31-41% NEAR 8000 FEET.  
24 HR TREND......11% DRIER.  
20-FOOT WINDS.......DOWNSLOPE/DOWNVALLEY 5-10 MPH.  
12K FT MSL WINDS....LIGHT AND VARIABLE.  
   
SATURDAY
 
 
SKY/WEATHER.........SUNNY (0-10% CLOUD COVER) UNTIL 1200, THEN  
PARTLY CLOUDY (20-30% CLOUD COVER).  
CHANCE LIGHTNING....0%.  
CWR.................0%.  
MAX TEMPERATURE.....82-88 NEAR 5000 FEET.  
67-73 NEAR 8000 FEET.  
24 HR TREND......3 DEGREES WARMER.  
MIN HUMIDITY........11-20% NEAR 5000 FEET.  
15-25% NEAR 8000 FEET.  
24 HR TREND......1% DRIER.  
20-FOOT WINDS.......UPSLOPE/UPVALLEY 5-10 MPH. GUSTS UP TO 25 MPH  
IN THE AFTERNOON.  
12K FT MSL WINDS....SOUTHWEST 10-15 MPH.  
MIXING HEIGHT.......13100 FT AGL.  
CLIMATOLOGY......80-90TH PERCENTILE.  
CLEARING INDEX......1000+.  
   
FORECAST DAYS 3 THROUGH 7
 
   
SUNDAY
 
BREEZY. PARTLY CLOUDY. LOWS IN THE UPPER 50S IN THE  
VALLEYS AND IN THE LOWER 50S IN THE MOUNTAINS. HIGHS IN THE MID  
80S IN THE VALLEYS AND IN THE UPPER 60S IN THE MOUNTAINS. SOUTH  
WINDS AROUND 25 MPH.    
MONDAY
 
BREEZY. PARTLY CLOUDY. LOWS IN THE UPPER 50S IN THE  
VALLEYS AND AROUND 50 IN THE MOUNTAINS. HIGHS IN THE UPPER 70S IN  
THE VALLEYS AND IN THE MID 60S IN THE MOUNTAINS. SOUTHWEST WINDS  
AROUND 25 MPH.    
TUESDAY
 
BREEZY. PARTLY CLOUDY. SCATTERED RAIN SHOWERS,  
THUNDERSTORMS AND SNOW SHOWERS. LOWS IN THE MID 40S IN THE  
VALLEYS AND AROUND 40 IN THE MOUNTAINS. HIGHS IN THE MID 60S IN  
THE VALLEYS AND IN THE LOWER 50S IN THE MOUNTAINS. SOUTHWEST  
WINDS AROUND 25 MPH.    
WEDNESDAY
 
MOSTLY CLOUDY. SCATTERED RAIN SHOWERS, SNOW SHOWERS  
AND ISOLATED THUNDERSTORMS. LOWS IN THE UPPER 30S IN THE VALLEYS  
AND IN THE LOWER 30S IN THE MOUNTAINS. HIGHS IN THE LOWER 60S IN  
THE VALLEYS AND IN THE MID 40S IN THE MOUNTAINS.    
THURSDAY
 
PARTLY CLOUDY. LOWS AROUND 40 IN THE VALLEYS AND IN  
THE MID 30S IN THE MOUNTAINS. HIGHS IN THE MID 60S IN THE VALLEYS  
AND IN THE LOWER 50S IN THE MOUNTAINS.  
=  
 

 
 
UTZ493-091245-  
CENTRAL UTAH MOUNTAINS-  
138 PM MDT THU MAY 8 2025  
   
TONIGHT
 
 
SKY/WEATHER.........MOSTLY CLEAR (20-30% CLOUD COVER).  
CHANCE LIGHTNING....0%.  
CWR.................0%.  
MIN TEMPERATURE.....43-49 NEAR 5000 FEET.  
38-48 NEAR 8000 FEET.  
24 HR TREND......5 DEGREES WARMER.  
MAX HUMIDITY........57-63% NEAR 5000 FEET.  
45-55% NEAR 8000 FEET.  
24 HR TREND......20% DRIER.  
20-FOOT WINDS.......DOWNSLOPE/DOWNVALLEY 5-10 MPH.  
12K FT MSL WINDS....NORTH AROUND 10 MPH.  
   
FRIDAY
 
 
SKY/WEATHER.........SUNNY (10-20% CLOUD COVER) UNTIL 1200, THEN  
PARTLY SUNNY (55-65% CLOUD COVER).  
CHANCE LIGHTNING....10%.  
CWR.................0%.  
MAX TEMPERATURE.....76-82 NEAR 5000 FEET.  
65-71 NEAR 8000 FEET.  
24 HR TREND......4 DEGREES WARMER.  
MIN HUMIDITY........16-26%.  
24 HR TREND......6% DRIER.  
20-FOOT WINDS.......UPSLOPE/UPVALLEY 5-10 MPH.  
12K FT MSL WINDS....NORTH AROUND 10 MPH IN THE MORNING BECOMING  
LIGHT AND VARIABLE.  
MIXING HEIGHT.......11100 FT AGL.  
CLIMATOLOGY......80-90TH PERCENTILE.  
CLEARING INDEX......770.  
   
FRIDAY NIGHT
 
 
SKY/WEATHER.........MOSTLY CLOUDY (50-60% CLOUD COVER) UNTIL 2400,  
THEN MOSTLY CLEAR (5-15% CLOUD COVER).  
CHANCE LIGHTNING....0%.  
CWR.................0%.  
MIN TEMPERATURE.....40-50.  
24 HR TREND......2 DEGREES WARMER.  
MAX HUMIDITY........49-55% NEAR 5000 FEET.  
37-47% NEAR 8000 FEET.  
24 HR TREND......7% DRIER.  
20-FOOT WINDS.......DOWNSLOPE/DOWNVALLEY 5-10 MPH.  
12K FT MSL WINDS....LIGHT AND VARIABLE BECOMING SOUTHEAST AROUND 10  
MPH AFTER MIDNIGHT.  
   
SATURDAY
 
 
SKY/WEATHER.........SUNNY (5-15% CLOUD COVER) UNTIL 1200, THEN  
PARTLY CLOUDY (40-50% CLOUD COVER).  
CHANCE LIGHTNING....0% INCREASING TO 10% IN THE AFTERNOON.  
CWR.................0%.  
MAX TEMPERATURE.....80-86 NEAR 5000 FEET.  
67-73 NEAR 8000 FEET.  
24 HR TREND......6 DEGREES WARMER.  
MIN HUMIDITY........17-27%.  
24 HR TREND......UNCHANGED.  
20-FOOT WINDS.......UPSLOPE/UPVALLEY 5-10 MPH.  
12K FT MSL WINDS....SOUTH AROUND 10 MPH.  
MIXING HEIGHT.......12600 FT AGL.  
CLIMATOLOGY......90-95TH PERCENTILE.  
CLEARING INDEX......1000+.  
   
FORECAST DAYS 3 THROUGH 7
 
   
SUNDAY
 
PARTLY CLOUDY. ISOLATED RAIN SHOWERS. LOWS IN THE UPPER  
40S. HIGHS IN THE LOWER 80S IN THE VALLEYS AND IN THE UPPER 60S  
IN THE MOUNTAINS. SOUTH WINDS AROUND 20 MPH.    
MONDAY
 
BREEZY. PARTLY CLOUDY. LOWS IN THE UPPER 40S. HIGHS  
AROUND 80 IN THE VALLEYS AND IN THE UPPER 60S IN THE MOUNTAINS.  
SOUTHWEST WINDS AROUND 25 MPH.    
TUESDAY
 
BREEZY. PARTLY CLOUDY. SCATTERED RAIN SHOWERS,  
THUNDERSTORMS AND SNOW SHOWERS. LOWS IN THE LOWER 40S. HIGHS IN  
THE UPPER 60S IN THE VALLEYS AND IN THE MID 50S IN THE MOUNTAINS.  
SOUTHWEST WINDS AROUND 25 MPH.    
WEDNESDAY
 
PARTLY CLOUDY. SCATTERED SNOW SHOWERS, RAIN SHOWERS  
AND ISOLATED THUNDERSTORMS. LOWS IN THE LOWER 30S. HIGHS IN THE  
LOWER 60S IN THE VALLEYS AND AROUND 50 IN THE MOUNTAINS.    
THURSDAY
 
PARTLY CLOUDY. LOWS IN THE LOWER 30S. HIGHS IN THE  
MID 60S IN THE VALLEYS AND IN THE MID 50S IN THE MOUNTAINS.  
=  
 

 
 
UTZ494-091245-  
HENRY MOUNTAINS-  
138 PM MDT THU MAY 8 2025  
   
TONIGHT
 
 
SKY/WEATHER.........MOSTLY CLEAR (10-20% CLOUD COVER).  
CHANCE LIGHTNING....0%.  
CWR.................0%.  
MIN TEMPERATURE.....48-58 NEAR 5000 FEET.  
46-53 NEAR 8000 FEET.  
24 HR TREND......5 DEGREES WARMER.  
MAX HUMIDITY........36-46%.  
24 HR TREND......16% DRIER.  
20-FOOT WINDS.......DOWNSLOPE/DOWNVALLEY 5-10 MPH.  
12K FT MSL WINDS....NORTH AROUND 10 MPH.  
   
FRIDAY
 
 
SKY/WEATHER.........SUNNY (10-20% CLOUD COVER).  
CHANCE LIGHTNING....0%.  
CWR.................0%.  
MAX TEMPERATURE.....78-84 NEAR 5000 FEET.  
63-72 NEAR 8000 FEET.  
24 HR TREND......4 DEGREES WARMER.  
MIN HUMIDITY........11-15% NEAR 5000 FEET.  
15-21% NEAR 8000 FEET.  
24 HR TREND......4% DRIER.  
20-FOOT WINDS.......UPSLOPE/UPVALLEY 5-10 MPH.  
12K FT MSL WINDS....LIGHT AND VARIABLE.  
MIXING HEIGHT.......11200 FT AGL.  
CLIMATOLOGY......60-70TH PERCENTILE.  
CLEARING INDEX......760.  
   
FRIDAY NIGHT
 
 
SKY/WEATHER.........MOSTLY CLEAR (5-15% CLOUD COVER).  
CHANCE LIGHTNING....0%.  
CWR.................0%.  
MIN TEMPERATURE.....50-58 NEAR 5000 FEET.  
47-53 NEAR 8000 FEET.  
24 HR TREND......1 DEGREE WARMER.  
MAX HUMIDITY........37-47%.  
24 HR TREND......UNCHANGED.  
20-FOOT WINDS.......DOWNSLOPE/DOWNVALLEY 5-10 MPH.  
12K FT MSL WINDS....NORTHEAST AROUND 10 MPH.  
   
SATURDAY
 
 
SKY/WEATHER.........SUNNY (10-20% CLOUD COVER).  
CHANCE LIGHTNING....0%.  
CWR.................0%.  
MAX TEMPERATURE.....80-86 NEAR 5000 FEET.  
65-75 NEAR 8000 FEET.  
24 HR TREND......2 DEGREES WARMER.  
MIN HUMIDITY........13-17% NEAR 5000 FEET.  
17-23% NEAR 8000 FEET.  
24 HR TREND......2% WETTER.  
20-FOOT WINDS.......UPSLOPE/UPVALLEY 5-10 MPH.  
12K FT MSL WINDS....LIGHT AND VARIABLE.  
MIXING HEIGHT.......11300 FT AGL.  
CLIMATOLOGY......70-80TH PERCENTILE.  
CLEARING INDEX......1000+.  
   
FORECAST DAYS 3 THROUGH 7
 
   
SUNDAY
 
MOSTLY CLEAR. LOWS IN THE UPPER 50S IN THE VALLEYS AND  
IN THE LOWER 50S IN THE MOUNTAINS. HIGHS IN THE MID 80S IN THE  
VALLEYS AND AROUND 70 IN THE MOUNTAINS. SOUTH WINDS AROUND  
15 MPH.    
MONDAY
 
BREEZY. PARTLY CLOUDY. LOWS IN THE UPPER 50S IN THE  
VALLEYS AND IN THE MID 50S IN THE MOUNTAINS. HIGHS IN THE LOWER  
80S IN THE VALLEYS AND IN THE UPPER 60S IN THE MOUNTAINS. SOUTH  
WINDS AROUND 25 MPH.    
TUESDAY
 
BREEZY. PARTLY CLOUDY. ISOLATED SHOWERS AND  
THUNDERSTORMS. LOWS IN THE MID 50S IN THE VALLEYS AND AROUND  
50 IN THE MOUNTAINS. HIGHS IN THE MID 70S IN THE VALLEYS AND IN  
THE LOWER 60S IN THE MOUNTAINS. SOUTHWEST WINDS AROUND 25 MPH.    
WEDNESDAY
 
PARTLY CLOUDY. ISOLATED RAIN SHOWERS. LOWS IN THE  
MID 40S IN THE VALLEYS AND IN THE UPPER 30S IN THE MOUNTAINS.  
HIGHS IN THE UPPER 60S IN THE VALLEYS AND IN THE MID 50S IN THE  
MOUNTAINS.    
THURSDAY
 
PARTLY CLOUDY. LOWS IN THE MID 40S IN THE VALLEYS AND  
IN THE UPPER 30S IN THE MOUNTAINS. HIGHS AROUND 70 IN THE VALLEYS  
AND IN THE MID 50S IN THE MOUNTAINS.  
=  
 

 
 
UTZ495-091245-  
COLOR COUNTRY WEST DESERT-  
138 PM MDT THU MAY 8 2025  
   
TONIGHT
 
 
SKY/WEATHER.........MOSTLY CLOUDY (45-55% CLOUD COVER) UNTIL 2400,  
THEN MOSTLY CLEAR (15-25% CLOUD COVER).  
CHANCE LIGHTNING....0%.  
CWR.................0%.  
MIN TEMPERATURE.....44-54.  
24 HR TREND......5 DEGREES WARMER.  
MAX HUMIDITY........49-59% NEAR 5000 FEET.  
40-50% NEAR 7000 FEET.  
24 HR TREND......24% DRIER NEAR 5000 FEET.  
19% DRIER NEAR 7000 FEET.  
20-FOOT WINDS.......DOWNSLOPE/DOWNVALLEY 5-10 MPH.  
12K FT MSL WINDS....LIGHT AND VARIABLE.  
   
FRIDAY
 
 
SKY/WEATHER.........SUNNY (20-30% CLOUD COVER) UNTIL 1200, THEN  
PARTLY CLOUDY (35-45% CLOUD COVER).  
CHANCE LIGHTNING....0%.  
CWR.................0%.  
MAX TEMPERATURE.....77-83 NEAR 5000 FEET.  
69-75 NEAR 7000 FEET.  
24 HR TREND......4 DEGREES WARMER.  
MIN HUMIDITY........14-22%.  
24 HR TREND......6% DRIER.  
20-FOOT WINDS.......UPSLOPE/UPVALLEY 5-10 MPH.  
12K FT MSL WINDS....LIGHT AND VARIABLE BECOMING NORTHEAST AROUND 10  
MPH IN THE AFTERNOON.  
MIXING HEIGHT.......11400 FT AGL.  
CLIMATOLOGY......70-80TH PERCENTILE.  
CLEARING INDEX......1000.  
   
FRIDAY NIGHT
 
 
SKY/WEATHER.........MOSTLY CLEAR (20-30% CLOUD COVER).  
CHANCE LIGHTNING....0%.  
CWR.................0%.  
MIN TEMPERATURE.....46-56.  
24 HR TREND......1 DEGREE WARMER.  
MAX HUMIDITY........40-50% NEAR 5000 FEET.  
33-43% NEAR 7000 FEET.  
24 HR TREND......10% DRIER.  
20-FOOT WINDS.......DOWNSLOPE/DOWNVALLEY 5-10 MPH.  
12K FT MSL WINDS....LIGHT AND VARIABLE.  
   
SATURDAY
 
 
SKY/WEATHER.........SUNNY (5-15% CLOUD COVER) UNTIL 1200, THEN  
PARTLY CLOUDY (25-35% CLOUD COVER).  
CHANCE LIGHTNING....0%.  
CWR.................0%.  
MAX TEMPERATURE.....82-88 NEAR 5000 FEET.  
73-79 NEAR 7000 FEET.  
24 HR TREND......4 DEGREES WARMER.  
MIN HUMIDITY........13-21%.  
24 HR TREND......1% DRIER.  
20-FOOT WINDS.......UPSLOPE/UPVALLEY 5-10 MPH.  
12K FT MSL WINDS....SOUTH 10-15 MPH.  
MIXING HEIGHT.......13000 FT AGL.  
CLIMATOLOGY......80-90TH PERCENTILE.  
CLEARING INDEX......1000+.  
   
FORECAST DAYS 3 THROUGH 7
 
   
SUNDAY
 
BREEZY. PARTLY CLOUDY. LOWS IN THE LOWER 50S. HIGHS IN  
THE LOWER 80S IN THE VALLEYS AND IN THE MID 70S IN THE MOUNTAINS.  
SOUTH WINDS AROUND 25 MPH.    
MONDAY
 
BREEZY. MOSTLY CLEAR. LOWS IN THE MID 50S. HIGHS IN THE  
UPPER 70S IN THE VALLEYS AND IN THE UPPER 60S IN THE MOUNTAINS.  
SOUTH WINDS AROUND 25 MPH.    
TUESDAY
 
BREEZY. PARTLY CLOUDY. SCATTERED RAIN SHOWERS,  
THUNDERSTORMS AND SNOW SHOWERS. LOWS IN THE LOWER 40S. HIGHS IN  
THE MID 60S IN THE VALLEYS AND IN THE MID 50S IN THE MOUNTAINS.  
SOUTHWEST WINDS AROUND 25 MPH.    
WEDNESDAY
 
PARTLY CLOUDY. ISOLATED RAIN SHOWERS, THUNDERSTORMS  
AND SNOW SHOWERS. LOWS IN THE MID 30S. HIGHS IN THE LOWER 60S IN  
THE VALLEYS AND IN THE MID 50S IN THE MOUNTAINS.    
THURSDAY
 
PARTLY CLOUDY. LOWS IN THE UPPER 30S. HIGHS IN THE  
MID 60S IN THE VALLEYS AND IN THE UPPER 50S IN THE MOUNTAINS.  
=  
 

 
 
UTZ496-091245-  
COLOR COUNTRY MOUNTAINS-  
138 PM MDT THU MAY 8 2025  
   
TONIGHT
 
 
SKY/WEATHER.........PARTLY CLOUDY (25-35% CLOUD COVER).  
CHANCE LIGHTNING....0%.  
CWR.................0%.  
MIN TEMPERATURE.....42-52.  
24 HR TREND......5 DEGREES WARMER.  
MAX HUMIDITY........53-63% NEAR 6000 FEET.  
49-59% NEAR 8000 FEET.  
24 HR TREND......23% DRIER.  
20-FOOT WINDS.......DOWNSLOPE/DOWNVALLEY 5-10 MPH.  
12K FT MSL WINDS....NORTH AROUND 10 MPH.  
   
FRIDAY
 
 
SKY/WEATHER.........SUNNY (15-25% CLOUD COVER) UNTIL 1200, THEN  
PARTLY SUNNY (60-70% CLOUD COVER).  
CHANCE LIGHTNING....0% INCREASING TO 10% IN THE AFTERNOON.  
CWR.................0%.  
MAX TEMPERATURE.....74-80 NEAR 6000 FEET.  
65-72 NEAR 8000 FEET.  
24 HR TREND......4 DEGREES WARMER.  
MIN HUMIDITY........15-24% NEAR 6000 FEET.  
20-26% NEAR 8000 FEET.  
24 HR TREND......6% DRIER.  
20-FOOT WINDS.......UPSLOPE/UPVALLEY 5-10 MPH.  
12K FT MSL WINDS....NORTHEAST AROUND 10 MPH IN THE MORNING BECOMING  
LIGHT AND VARIABLE.  
MIXING HEIGHT.......11400 FT AGL.  
CLIMATOLOGY......80-90TH PERCENTILE.  
CLEARING INDEX......780.  
   
FRIDAY NIGHT
 
 
SKY/WEATHER.........MOSTLY CLOUDY (55-65% CLOUD COVER) UNTIL 2400,  
THEN MOSTLY CLEAR (10-20% CLOUD COVER).  
CHANCE LIGHTNING....0%.  
CWR.................0%.  
MIN TEMPERATURE.....44-54.  
24 HR TREND......3 DEGREES WARMER.  
MAX HUMIDITY........44-54% NEAR 6000 FEET.  
40-50% NEAR 8000 FEET.  
24 HR TREND......7% DRIER.  
20-FOOT WINDS.......DOWNSLOPE/DOWNVALLEY 5-10 MPH.  
12K FT MSL WINDS....LIGHT AND VARIABLE BECOMING SOUTHEAST AROUND 10  
MPH AFTER MIDNIGHT.  
   
SATURDAY
 
 
SKY/WEATHER.........SUNNY (10-20% CLOUD COVER) UNTIL 1200, THEN  
PARTLY CLOUDY (35-45% CLOUD COVER).  
CHANCE LIGHTNING....0%.  
CWR.................0%.  
MAX TEMPERATURE.....77-83 NEAR 6000 FEET.  
68-74 NEAR 8000 FEET.  
24 HR TREND......1 DEGREE WARMER.  
MIN HUMIDITY........14-20% NEAR 6000 FEET.  
18-24% NEAR 8000 FEET.  
24 HR TREND......2% DRIER.  
20-FOOT WINDS.......UPSLOPE/UPVALLEY 5-10 MPH.  
12K FT MSL WINDS....SOUTH AROUND 10 MPH.  
MIXING HEIGHT.......12000 FT AGL.  
CLIMATOLOGY......80-90TH PERCENTILE.  
CLEARING INDEX......1000+.  
   
FORECAST DAYS 3 THROUGH 7
 
   
SUNDAY
 
PARTLY CLOUDY. LOWS IN THE LOWER 50S IN THE VALLEYS AND  
IN THE UPPER 40S IN THE MOUNTAINS. HIGHS IN THE UPPER 70S IN THE  
VALLEYS AND AROUND 70 IN THE MOUNTAINS. SOUTH WINDS AROUND  
20 MPH.    
MONDAY
 
BREEZY. PARTLY CLOUDY. LOWS IN THE MID 50S IN THE  
VALLEYS AND IN THE UPPER 40S IN THE MOUNTAINS. HIGHS IN THE MID  
70S IN THE VALLEYS AND IN THE UPPER 60S IN THE MOUNTAINS.  
SOUTHWEST WINDS AROUND 25 MPH.    
TUESDAY
 
BREEZY. PARTLY CLOUDY. SCATTERED RAIN SHOWERS,  
THUNDERSTORMS AND SNOW SHOWERS. LOWS IN THE UPPER 40S IN THE  
VALLEYS AND AROUND 40 IN THE MOUNTAINS. HIGHS IN THE MID 60S IN  
THE VALLEYS AND IN THE MID 50S IN THE MOUNTAINS. SOUTHWEST WINDS  
AROUND 25 MPH.    
WEDNESDAY
 
PARTLY CLOUDY. ISOLATED RAIN SHOWERS, THUNDERSTORMS  
AND SNOW SHOWERS. LOWS IN THE UPPER 30S IN THE VALLEYS AND AROUND  
30 IN THE MOUNTAINS. HIGHS IN THE LOWER 60S IN THE VALLEYS AND IN  
THE LOWER 50S IN THE MOUNTAINS.    
THURSDAY
 
PARTLY CLOUDY. LOWS IN THE UPPER 30S IN THE VALLEYS  
AND IN THE LOWER 30S IN THE MOUNTAINS. HIGHS IN THE MID 60S IN  
THE VALLEYS AND IN THE MID 50S IN THE MOUNTAINS.  
=  
 

 
 
UTZ497-091245-  
MOJAVE DESERT-  
138 PM MDT THU MAY 8 2025  
   
TONIGHT
 
 
SKY/WEATHER.........MOSTLY CLEAR (10-20% CLOUD COVER).  
CHANCE LIGHTNING....0%.  
CWR.................0%.  
MIN TEMPERATURE.....60-70 NEAR 3000 FEET.  
50-60 NEAR 6000 FEET.  
24 HR TREND......6 DEGREES WARMER.  
MAX HUMIDITY........35-45% NEAR 3000 FEET.  
41-51% NEAR 6000 FEET.  
24 HR TREND......18% DRIER.  
20-FOOT WINDS.......DOWNSLOPE/DOWNVALLEY 5-10 MPH.  
12K FT MSL WINDS....NORTHEAST AROUND 10 MPH.  
   
FRIDAY
 
 
SKY/WEATHER.........SUNNY (15-25% CLOUD COVER).  
CHANCE LIGHTNING....0%.  
CWR.................0%.  
MAX TEMPERATURE.....87-93 NEAR 3000 FEET.  
74-80 NEAR 6000 FEET.  
24 HR TREND......5 DEGREES WARMER.  
MIN HUMIDITY........11-15% NEAR 3000 FEET.  
15-21% NEAR 6000 FEET.  
24 HR TREND......7% DRIER.  
20-FOOT WINDS.......UPSLOPE/UPVALLEY 5-10 MPH.  
12K FT MSL WINDS....NORTHEAST AROUND 10 MPH.  
MIXING HEIGHT.......12200 FT AGL.  
CLIMATOLOGY......70-80TH PERCENTILE.  
CLEARING INDEX......930.  
   
FRIDAY NIGHT
 
 
SKY/WEATHER.........MOSTLY CLEAR (15-25% CLOUD COVER).  
CHANCE LIGHTNING....0%.  
CWR.................0%.  
MIN TEMPERATURE.....63-73 NEAR 3000 FEET.  
52-62 NEAR 6000 FEET.  
24 HR TREND......2 DEGREES WARMER.  
MAX HUMIDITY........26-36% NEAR 3000 FEET.  
30-40% NEAR 6000 FEET.  
24 HR TREND......10% DRIER.  
20-FOOT WINDS.......DOWNSLOPE/DOWNVALLEY 5-10 MPH.  
12K FT MSL WINDS....LIGHT AND VARIABLE BECOMING SOUTHEAST AROUND 10  
MPH AFTER MIDNIGHT.  
   
SATURDAY
 
 
SKY/WEATHER.........SUNNY (0-10% CLOUD COVER).  
CHANCE LIGHTNING....0%.  
CWR.................0%.  
MAX TEMPERATURE.....89-96 NEAR 3000 FEET.  
77-83 NEAR 6000 FEET.  
24 HR TREND......3 DEGREES WARMER.  
MIN HUMIDITY........11-15% NEAR 3000 FEET.  
15-19% NEAR 6000 FEET.  
24 HR TREND......1% DRIER.  
20-FOOT WINDS.......UPSLOPE/UPVALLEY 5-10 MPH.  
12K FT MSL WINDS....SOUTH 10-15 MPH.  
MIXING HEIGHT.......14200 FT AGL.  
CLIMATOLOGY......80-90TH PERCENTILE.  
CLEARING INDEX......1000+.  
   
FORECAST DAYS 3 THROUGH 7
 
   
SUNDAY
 
PARTLY CLOUDY. LOWS IN THE UPPER 60S IN THE VALLEYS AND  
AROUND 60 IN THE MOUNTAINS. HIGHS IN THE MID 90S IN THE VALLEYS  
AND IN THE UPPER 70S IN THE MOUNTAINS. SOUTH WINDS AROUND 20 MPH.   
MONDAY
 
BREEZY. PARTLY CLOUDY. LOWS IN THE UPPER 60S IN THE  
VALLEYS AND IN THE UPPER 50S IN THE MOUNTAINS. HIGHS IN THE UPPER  
80S IN THE VALLEYS AND IN THE MID 70S IN THE MOUNTAINS. SOUTH  
WINDS AROUND 25 MPH.    
TUESDAY
 
BREEZY. PARTLY CLOUDY. ISOLATED SHOWERS AND  
THUNDERSTORMS. LOWS AROUND 60 IN THE VALLEYS AND AROUND 50 IN THE  
MOUNTAINS. HIGHS IN THE MID 70S IN THE VALLEYS AND IN THE LOWER  
60S IN THE MOUNTAINS. SOUTHWEST WINDS AROUND 25 MPH.    
WEDNESDAY
 
PARTLY CLOUDY. LOWS IN THE LOWER 50S IN THE VALLEYS  
AND IN THE LOWER 40S IN THE MOUNTAINS. HIGHS IN THE MID 70S IN  
THE VALLEYS AND IN THE LOWER 60S IN THE MOUNTAINS.    
THURSDAY
 
PARTLY CLOUDY. LOWS IN THE MID 50S IN THE VALLEYS AND  
IN THE MID 40S IN THE MOUNTAINS. HIGHS IN THE UPPER 70S IN THE  
VALLEYS AND IN THE MID 60S IN THE MOUNTAINS.  
=  
 

 
 
UTZ498-091245-  
GRAND STAIRCASE-  
138 PM MDT THU MAY 8 2025  
   
TONIGHT
 
 
SKY/WEATHER.........MOSTLY CLEAR (20-30% CLOUD COVER).  
CHANCE LIGHTNING....0%.  
CWR.................0%.  
MIN TEMPERATURE.....53-60 NEAR 4000 FEET.  
45-55 NEAR 6000 FEET.  
24 HR TREND......5 DEGREES WARMER.  
MAX HUMIDITY........34-44% NEAR 4000 FEET.  
45-55% NEAR 6000 FEET.  
24 HR TREND......20% DRIER NEAR 4000 FEET.  
25% DRIER NEAR 6000 FEET.  
20-FOOT WINDS.......DOWNSLOPE/DOWNVALLEY 5-10 MPH.  
12K FT MSL WINDS....NORTH AROUND 10 MPH.  
   
FRIDAY
 
 
SKY/WEATHER.........SUNNY (10-20% CLOUD COVER) UNTIL 1200, THEN  
PARTLY CLOUDY (35-45% CLOUD COVER).  
CHANCE LIGHTNING....0%.  
CWR.................0%.  
MAX TEMPERATURE.....81-87 NEAR 4000 FEET.  
74-83 NEAR 6000 FEET.  
24 HR TREND......5 DEGREES WARMER.  
MIN HUMIDITY........12-20%.  
24 HR TREND......6% DRIER.  
20-FOOT WINDS.......UPSLOPE/UPVALLEY 5-10 MPH.  
12K FT MSL WINDS....NORTHEAST AROUND 10 MPH IN THE MORNING BECOMING  
LIGHT AND VARIABLE.  
MIXING HEIGHT.......11600 FT AGL.  
CLIMATOLOGY......70-80TH PERCENTILE.  
CLEARING INDEX......820.  
   
FRIDAY NIGHT
 
 
SKY/WEATHER.........PARTLY CLOUDY (20-30% CLOUD COVER).  
CHANCE LIGHTNING....0%.  
CWR.................0%.  
MIN TEMPERATURE.....54-61 NEAR 4000 FEET.  
47-57 NEAR 6000 FEET.  
24 HR TREND......2 DEGREES WARMER.  
MAX HUMIDITY........38-48%.  
24 HR TREND......3% WETTER NEAR 4000 FEET.  
6% DRIER NEAR 6000 FEET.  
20-FOOT WINDS.......DOWNSLOPE/DOWNVALLEY 5-10 MPH.  
12K FT MSL WINDS....LIGHT AND VARIABLE BECOMING EAST AROUND 10 MPH  
AFTER MIDNIGHT.  
   
SATURDAY
 
 
SKY/WEATHER.........SUNNY (5-15% CLOUD COVER).  
CHANCE LIGHTNING....0%.  
CWR.................0%.  
MAX TEMPERATURE.....84-90 NEAR 4000 FEET.  
76-85 NEAR 6000 FEET.  
24 HR TREND......2 DEGREES WARMER.  
MIN HUMIDITY........13-19%.  
24 HR TREND......1% WETTER.  
20-FOOT WINDS.......UPSLOPE/UPVALLEY 5-10 MPH.  
12K FT MSL WINDS....LIGHT AND VARIABLE.  
MIXING HEIGHT.......12000 FT AGL.  
CLIMATOLOGY......70-80TH PERCENTILE.  
CLEARING INDEX......1000+.  
   
FORECAST DAYS 3 THROUGH 7
 
   
SUNDAY
 
PARTLY CLOUDY. LOWS IN THE LOWER 60S IN THE VALLEYS AND  
IN THE LOWER 50S IN THE MOUNTAINS. HIGHS AROUND 90 IN THE VALLEYS  
AND AROUND 80 IN THE MOUNTAINS. SOUTH WINDS AROUND 15 MPH.    
MONDAY
 
PARTLY CLOUDY. LOWS IN THE LOWER 60S IN THE VALLEYS AND  
IN THE LOWER 50S IN THE MOUNTAINS. HIGHS IN THE UPPER 80S IN THE  
VALLEYS AND IN THE UPPER 70S IN THE MOUNTAINS. SOUTHWEST WINDS  
AROUND 20 MPH.    
TUESDAY
 
MOSTLY CLEAR. LOWS IN THE UPPER 50S IN THE VALLEYS AND  
IN THE UPPER 40S IN THE MOUNTAINS. HIGHS IN THE UPPER 70S IN THE  
VALLEYS AND IN THE UPPER 60S IN THE MOUNTAINS. SOUTHWEST WINDS  
AROUND 20 MPH.    
WEDNESDAY
 
MOSTLY CLEAR. LOWS IN THE UPPER 40S IN THE VALLEYS  
AND IN THE UPPER 30S IN THE MOUNTAINS. HIGHS IN THE LOWER 70S IN  
THE VALLEYS AND IN THE LOWER 60S IN THE MOUNTAINS.    
THURSDAY
 
MOSTLY CLEAR. LOWS IN THE UPPER 40S IN THE VALLEYS  
AND IN THE UPPER 30S IN THE MOUNTAINS. HIGHS IN THE MID 70S IN  
THE VALLEYS AND IN THE MID 60S IN THE MOUNTAINS.  
=  
 

 
 
.8-14 DAY OUTLOOK FOR FRIDAY MAY 16 TO THURSDAY MAY 22  
TEMPERATURE... ABOVE NORMAL  
PRECIPITATION... ABOVE NORMAL  
=  
 

 
 
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