881  
FNUS55 KSLC 202106  
FWFSLC  
 
FIRE WEATHER PLANNING FORECAST FOR UTAH  
NATIONAL WEATHER SERVICE SALT LAKE CITY UT  
206 PM MST SAT DEC 20 2025  
 
NOTICE TO ALL USERS: THIS PRODUCT IS AUTOMATICALLY GENERATED DURING  
THE COOL SEASON TO PROVIDE A GENERAL OUTLOOK. IT WILL NOT CONTAIN A  
DISCUSSION SECTION OR ADJUSTMENTS BY OUR METEOROLOGISTS. THE FULL  
FIRE WEATHER FORECAST WILL RESUME THE MORNING OF MAY 3, 2026.  
 
UTZ478-211300-  
SALT LAKE DESERT-  
206 PM MST SAT DEC 20 2025  
   
TONIGHT
 
 
SKY/WEATHER.........CLOUDY (85-95% CLOUD COVER). NORTH OF I-80,  
AREAS OF RAIN. SOUTH OF I-80, LOCAL RAIN.  
CHANCE LIGHTNING....0%.  
CWR.................10% NORTH OF I-80 AND 0% SOUTH OF I-80.  
MIN TEMPERATURE.....31-41 NEAR 5000 FEET.  
30-37 NEAR 8000 FEET.  
24 HR TREND......UNCHANGED.  
MAX HUMIDITY........71-81%.  
24 HR TREND......3% DRIER NEAR 5000 FEET.  
15% DRIER NEAR 8000 FEET.  
20-FOOT WINDS.......DOWNSLOPE/DOWNVALLEY 5-10 MPH.  
12K FT MSL WINDS....WEST 40-45 MPH.  
   
SUNDAY
 
 
SKY/WEATHER.........CLOUDY (90-100% CLOUD COVER). AREAS OF RAIN.  
CHANCE LIGHTNING....0%.  
CWR.................40% NORTH OF I-80 AND 10% SOUTH OF I-80.  
MAX TEMPERATURE.....49-59 NEAR 5000 FEET.  
39-47 NEAR 8000 FEET.  
24 HR TREND......6 DEGREES WARMER.  
MIN HUMIDITY........52-62% NEAR 5000 FEET.  
59-69% NEAR 8000 FEET.  
24 HR TREND......4% DRIER NEAR 5000 FEET.  
10% DRIER NEAR 8000 FEET.  
20-FOOT WINDS.......SOUTH AROUND 15 MPH WITH GUSTS TO AROUND 30  
MPH.  
12K FT MSL WINDS....WEST AROUND 50 MPH.  
MIXING HEIGHT.......2400 FT AGL.  
CLIMATOLOGY......10-20TH PERCENTILE.  
CLEARING INDEX......310.  
   
SUNDAY NIGHT
 
 
SKY/WEATHER.........CLOUDY (90-100% CLOUD COVER). NORTH OF I-80,  
AREAS OF RAIN.  
CHANCE LIGHTNING....0%.  
CWR.................10% NORTH OF I-80 AND 0% SOUTH OF I-80.  
MIN TEMPERATURE.....37-47 NEAR 5000 FEET.  
35-42 NEAR 8000 FEET.  
24 HR TREND......6 DEGREES WARMER.  
MAX HUMIDITY........67-77%.  
24 HR TREND......15% DRIER.  
20-FOOT WINDS.......SOUTH AROUND 15 MPH WITH GUSTS TO AROUND 30  
MPH.  
12K FT MSL WINDS....SOUTHWEST AROUND 45 MPH.  
   
MONDAY
 
 
SKY/WEATHER.........CLOUDY (90-100% CLOUD COVER). NORTH OF I-80,  
AREAS OF RAIN. SOUTH OF I-80, LOCAL RAIN.  
CHANCE LIGHTNING....0%.  
CWR.................30% NORTH OF I-80 AND 0% SOUTH OF I-80.  
MAX TEMPERATURE.....49-59 NEAR 5000 FEET.  
37-46 NEAR 8000 FEET.  
24 HR TREND......UNCHANGED.  
MIN HUMIDITY........48-58% NEAR 5000 FEET.  
54-64% NEAR 8000 FEET.  
24 HR TREND......5% DRIER.  
20-FOOT WINDS.......SOUTH AROUND 15 MPH IN THE MORNING BECOMING  
UPSLOPE/UPVALLEY 5-10 MPH.  
12K FT MSL WINDS....SOUTHWEST 40-45 MPH.  
MIXING HEIGHT.......3000 FT AGL.  
CLIMATOLOGY......20-30TH PERCENTILE.  
CLEARING INDEX......290.  
   
FORECAST DAYS 3 THROUGH 7
 
   
TUESDAY
 
MOSTLY CLOUDY. LOWS AROUND 40. HIGHS IN THE MID 50S IN  
THE VALLEYS AND IN THE LOWER 40S IN THE MOUNTAINS. WINDS  
GENERALLY LESS THAN 15 MPH.    
WEDNESDAY
 
MOSTLY CLOUDY. AREAS OF RAIN. LOWS IN THE LOWER 40S  
IN THE VALLEYS AND IN THE UPPER 30S IN THE MOUNTAINS. HIGHS IN  
THE MID 50S IN THE VALLEYS AND IN THE LOWER 40S IN THE MOUNTAINS.  
SOUTH WINDS AROUND 20 MPH.    
THURSDAY
 
WIDESPREAD RAIN. LOWS AROUND 40 IN THE VALLEYS AND IN  
THE MID 30S IN THE MOUNTAINS. HIGHS IN THE LOWER 50S IN THE  
VALLEYS AND AROUND 40 IN THE MOUNTAINS. SOUTH WINDS AROUND  
20 MPH.    
FRIDAY
 
MOSTLY CLOUDY. WIDESPREAD RAIN AND AREAS OF SNOW. LOWS  
IN THE UPPER 30S. HIGHS IN THE UPPER 40S IN THE VALLEYS AND IN  
THE UPPER 30S IN THE MOUNTAINS.    
SATURDAY
 
PARTLY CLOUDY. AREAS OF RAIN AND SNOW. LOWS IN THE  
LOWER 30S. HIGHS IN THE MID 40S IN THE VALLEYS AND IN THE MID 30S  
IN THE MOUNTAINS.  
=  
 

 
 
UTZ479-211300-  
WASATCH MOUNTAINS-  
206 PM MST SAT DEC 20 2025  
   
TONIGHT
 
 
SKY/WEATHER.........MOSTLY CLOUDY (80-90% CLOUD COVER). AREAS OF  
RAIN AND SNOW.  
CHANCE LIGHTNING....0%.  
CWR.................20% NORTH OF I-80 AND 10% SOUTH OF I-80.  
MIN TEMPERATURE.....30-39 NEAR 5000 FEET.  
26-36 NEAR 8000 FEET.  
24 HR TREND......UNCHANGED.  
MAX HUMIDITY........84-94% NEAR 5000 FEET.  
77-87% NEAR 8000 FEET.  
24 HR TREND......2% DRIER NEAR 5000 FEET.  
8% DRIER NEAR 8000 FEET.  
20-FOOT WINDS.......DOWNSLOPE/DOWNVALLEY 5-10 MPH.  
12K FT MSL WINDS....WEST 40-45 MPH.  
   
SUNDAY
 
 
SKY/WEATHER.........CLOUDY (90-100% CLOUD COVER). NORTH OF I-80,  
WIDESPREAD SNOW UNTIL 1200. WIDESPREAD RAIN.  
SOUTH OF I-80, AREAS OF SNOW UNTIL 1200. AREAS  
OF RAIN. WIDESPREAD SNOW AFTER 1200.  
CHANCE LIGHTNING....0%.  
CWR.................80% NORTH OF I-80 AND 40% SOUTH OF I-80.  
MAX TEMPERATURE.....49-55 NEAR 5000 FEET.  
39-49 NEAR 8000 FEET.  
24 HR TREND......7 DEGREES WARMER.  
MIN HUMIDITY........59-69% NEAR 5000 FEET.  
65-75% NEAR 8000 FEET.  
24 HR TREND......5% DRIER.  
20-FOOT WINDS.......UPSLOPE/UPVALLEY 5-10 MPH BECOMING SOUTHWEST  
AROUND 15 MPH IN THE AFTERNOON. GUSTS UP TO 30  
MPH.  
12K FT MSL WINDS....SOUTHWEST 50-55 MPH.  
MIXING HEIGHT.......3500 FT AGL.  
CLIMATOLOGY......20-30TH PERCENTILE.  
CLEARING INDEX......740.  
   
SUNDAY NIGHT
 
 
SKY/WEATHER.........CLOUDY (90-100% CLOUD COVER). NORTH OF I-80,  
AREAS OF RAIN. WIDESPREAD SNOW AFTER 2400.  
SOUTH OF I-80, AREAS OF RAIN UNTIL 2400. LOCAL  
RAIN AFTER 2400.  
CHANCE LIGHTNING....0%.  
CWR.................40% NORTH OF I-80 AND 10% SOUTH OF I-80.  
MIN TEMPERATURE.....35-45 NEAR 5000 FEET.  
31-41 NEAR 8000 FEET.  
24 HR TREND......6 DEGREES WARMER.  
MAX HUMIDITY........73-83% NEAR 5000 FEET.  
64-74% NEAR 8000 FEET.  
24 HR TREND......12% DRIER.  
20-FOOT WINDS.......SOUTH AROUND 15 MPH WITH GUSTS TO AROUND 35  
MPH.  
12K FT MSL WINDS....SOUTHWEST AROUND 50 MPH.  
   
MONDAY
 
 
SKY/WEATHER.........CLOUDY (90-100% CLOUD COVER). WIDESPREAD RAIN  
AND SNOW NORTH OF I-80 AND AREAS OF RAIN AND  
SNOW SOUTH OF I-80.  
CHANCE LIGHTNING....0%.  
CWR.................60% NORTH OF I-80 AND 10% SOUTH OF I-80.  
MAX TEMPERATURE.....47-56 NEAR 5000 FEET.  
40-50 NEAR 8000 FEET.  
24 HR TREND......1 DEGREE WARMER.  
MIN HUMIDITY........52-62%.  
24 HR TREND......8% DRIER NEAR 5000 FEET.  
13% DRIER NEAR 8000 FEET.  
20-FOOT WINDS.......SOUTH AROUND 15 MPH IN THE MORNING BECOMING  
UPSLOPE/UPVALLEY 5-10 MPH. GUSTS UP TO 30 MPH.  
12K FT MSL WINDS....SOUTHWEST AROUND 45 MPH.  
MIXING HEIGHT.......4000 FT AGL.  
CLIMATOLOGY......30-40TH PERCENTILE.  
CLEARING INDEX......610.  
   
FORECAST DAYS 3 THROUGH 7
 
   
TUESDAY
 
MOSTLY CLOUDY. LOWS IN THE UPPER 30S IN THE VALLEYS  
AND IN THE MID 30S IN THE MOUNTAINS. HIGHS IN THE MID 50S IN THE  
VALLEYS AND IN THE MID 40S IN THE MOUNTAINS. WINDS GENERALLY LESS  
THAN 15 MPH.    
WEDNESDAY
 
WIDESPREAD RAIN AND SNOW. LOWS AROUND 40 IN THE  
VALLEYS AND IN THE MID 30S IN THE MOUNTAINS. HIGHS IN THE MID 50S  
IN THE VALLEYS AND IN THE LOWER 40S IN THE MOUNTAINS. SOUTH WINDS  
AROUND 15 MPH.    
THURSDAY
 
RAIN AND SNOW. LOWS IN THE UPPER 30S IN THE VALLEYS  
AND IN THE MID 30S IN THE MOUNTAINS. HIGHS IN THE LOWER 50S IN  
THE VALLEYS AND AROUND 40 IN THE MOUNTAINS. SOUTH WINDS AROUND  
15 MPH.    
FRIDAY
 
SNOW AND RAIN. LOWS IN THE MID 30S IN THE VALLEYS AND  
IN THE LOWER 30S IN THE MOUNTAINS. HIGHS IN THE UPPER 40S IN THE  
VALLEYS AND IN THE UPPER 30S IN THE MOUNTAINS.    
SATURDAY
 
MOSTLY CLOUDY. AREAS OF SNOW. LOWS IN THE MID 20S.  
HIGHS IN THE MID 40S IN THE VALLEYS AND IN THE MID 30S IN THE  
MOUNTAINS.  
=  
 

 
 
UTZ480-211300-  
UINTA MOUNTAINS-  
206 PM MST SAT DEC 20 2025  
   
TONIGHT
 
 
SKY/WEATHER.........MOSTLY CLOUDY (75-85% CLOUD COVER). AREAS OF  
SNOW. AREAS OF RAIN AFTER 2400.  
CHANCE LIGHTNING....0%.  
CWR.................10%.  
MIN TEMPERATURE.....31-37 NEAR 7000 FEET.  
21-30 NEAR 9000 FEET.  
24 HR TREND......3 DEGREES COOLER.  
MAX HUMIDITY........72-82% NEAR 7000 FEET.  
76-86% NEAR 9000 FEET.  
24 HR TREND......9% DRIER.  
20-FOOT WINDS.......DOWNSLOPE/DOWNVALLEY 5-10 MPH BECOMING  
SOUTHWEST AROUND 15 MPH AFTER MIDNIGHT.  
12K FT MSL WINDS....WEST 35-40 MPH.  
   
SUNDAY
 
 
SKY/WEATHER.........CLOUDY (85-95% CLOUD COVER). AREAS OF SNOW AND  
RAIN UNTIL 1200, THEN WIDESPREAD SNOW AND RAIN.  
CHANCE LIGHTNING....0%.  
CWR.................60%.  
MAX TEMPERATURE.....45-51 NEAR 7000 FEET.  
36-46 NEAR 9000 FEET.  
24 HR TREND......7 DEGREES WARMER.  
MIN HUMIDITY........63-73%.  
24 HR TREND......4% DRIER.  
20-FOOT WINDS.......SOUTHWEST 15-20 MPH WITH GUSTS TO AROUND 40  
MPH.  
12K FT MSL WINDS....SOUTHWEST AROUND 50 MPH.  
MIXING HEIGHT.......4100 FT AGL.  
CLIMATOLOGY......30-40TH PERCENTILE.  
CLEARING INDEX......1000+.  
   
SUNDAY NIGHT
 
 
SKY/WEATHER.........MOSTLY CLOUDY (80-90% CLOUD COVER). AREAS OF  
RAIN AND SNOW UNTIL 2400, THEN LOCAL RAIN AND  
SNOW.  
CHANCE LIGHTNING....0%.  
CWR.................20%.  
MIN TEMPERATURE.....37-43 NEAR 7000 FEET.  
29-36 NEAR 9000 FEET.  
24 HR TREND......7 DEGREES WARMER.  
MAX HUMIDITY........61-71% NEAR 7000 FEET.  
65-75% NEAR 9000 FEET.  
24 HR TREND......9% DRIER.  
20-FOOT WINDS.......SOUTHWEST AROUND 20 MPH WITH GUSTS TO AROUND 40  
MPH.  
12K FT MSL WINDS....SOUTHWEST AROUND 50 MPH.  
   
MONDAY
 
 
SKY/WEATHER.........MOSTLY CLOUDY (75-85% CLOUD COVER). AREAS OF  
SNOW AND RAIN.  
CHANCE LIGHTNING....0%.  
CWR.................10%.  
MAX TEMPERATURE.....46-52 NEAR 7000 FEET.  
37-47 NEAR 9000 FEET.  
24 HR TREND......UNCHANGED.  
MIN HUMIDITY........49-59%.  
24 HR TREND......14% DRIER.  
20-FOOT WINDS.......SOUTHWEST 15-20 MPH WITH GUSTS TO AROUND 40  
MPH.  
12K FT MSL WINDS....SOUTHWEST 40-45 MPH.  
MIXING HEIGHT.......5000 FT AGL.  
CLIMATOLOGY......40-50TH PERCENTILE.  
CLEARING INDEX......1000.  
   
FORECAST DAYS 3 THROUGH 7
 
   
TUESDAY
 
MOSTLY CLOUDY. LOWS IN THE UPPER 30S IN THE VALLEYS  
AND IN THE LOWER 30S IN THE MOUNTAINS. HIGHS IN THE LOWER 50S IN  
THE VALLEYS AND IN THE MID 40S IN THE MOUNTAINS. SOUTH WINDS  
AROUND 15 MPH.    
WEDNESDAY
 
WIDESPREAD SNOW. LOWS IN THE UPPER 30S IN THE  
VALLEYS AND AROUND 30 IN THE MOUNTAINS. HIGHS IN THE UPPER 40S IN  
THE VALLEYS AND IN THE LOWER 40S IN THE MOUNTAINS. SOUTH WINDS  
AROUND 20 MPH.    
THURSDAY
 
SNOW AND RAIN. LOWS IN THE UPPER 30S IN THE VALLEYS  
AND IN THE LOWER 30S IN THE MOUNTAINS. HIGHS IN THE MID 40S IN  
THE VALLEYS AND IN THE UPPER 30S IN THE MOUNTAINS. SOUTHWEST  
WINDS AROUND 20 MPH.    
FRIDAY
 
SNOW. LOWS IN THE MID 30S IN THE VALLEYS AND IN THE MID  
20S IN THE MOUNTAINS. HIGHS IN THE LOWER 40S IN THE VALLEYS AND  
IN THE MID 30S IN THE MOUNTAINS.    
SATURDAY
 
MOSTLY CLOUDY. AREAS OF SNOW. LOWS IN THE UPPER 20S  
IN THE VALLEYS AND AROUND 19 IN THE MOUNTAINS. HIGHS AROUND 40 IN  
THE VALLEYS AND IN THE LOWER 30S IN THE MOUNTAINS.  
=  
 

 
 
UTZ481-211300-  
WESTERN ASHLEY NATIONAL FOREST-  
206 PM MST SAT DEC 20 2025  
   
TONIGHT
 
 
SKY/WEATHER.........MOSTLY CLOUDY (70-80% CLOUD COVER). LOCAL SNOW  
AFTER 2400.  
CHANCE LIGHTNING....0%.  
CWR.................10%.  
MIN TEMPERATURE.....27-33 NEAR 7000 FEET.  
18-27 NEAR 10000 FEET.  
24 HR TREND......4 DEGREES COOLER.  
MAX HUMIDITY........81-91%.  
24 HR TREND......2% WETTER.  
20-FOOT WINDS.......DOWNSLOPE/DOWNVALLEY 5-10 MPH.  
12K FT MSL WINDS....WEST AROUND 35 MPH.  
   
SUNDAY
 
 
SKY/WEATHER.........MOSTLY CLOUDY (80-90% CLOUD COVER). AREAS OF  
SNOW. AREAS OF RAIN AFTER 1200.  
CHANCE LIGHTNING....0%.  
CWR.................40%.  
MAX TEMPERATURE.....43-53 NEAR 7000 FEET.  
31-41 NEAR 10000 FEET.  
24 HR TREND......4 DEGREES WARMER.  
MIN HUMIDITY........61-71% NEAR 7000 FEET.  
66-76% NEAR 10000 FEET.  
24 HR TREND......8% WETTER.  
20-FOOT WINDS.......SOUTHWEST AROUND 15 MPH WITH GUSTS TO AROUND 35  
MPH.  
12K FT MSL WINDS....SOUTHWEST AROUND 40 MPH.  
MIXING HEIGHT.......3700 FT AGL.  
CLIMATOLOGY......30-40TH PERCENTILE.  
CLEARING INDEX......970.  
   
SUNDAY NIGHT
 
 
SKY/WEATHER.........MOSTLY CLOUDY (65-75% CLOUD COVER). AREAS OF  
SNOW UNTIL 2400.  
CHANCE LIGHTNING....0%.  
CWR.................10%.  
MIN TEMPERATURE.....31-37 NEAR 7000 FEET.  
22-31 NEAR 10000 FEET.  
24 HR TREND......5 DEGREES WARMER.  
MAX HUMIDITY........64-74% NEAR 7000 FEET.  
70-80% NEAR 10000 FEET.  
24 HR TREND......7% DRIER.  
20-FOOT WINDS.......SOUTHWEST 15-20 MPH WITH GUSTS TO AROUND 40  
MPH.  
12K FT MSL WINDS....SOUTHWEST AROUND 40 MPH.  
   
MONDAY
 
 
SKY/WEATHER.........PARTLY SUNNY (55-65% CLOUD COVER). LOCAL SNOW  
UNTIL 1200. AREAS OF SNOW AFTER 1200.  
CHANCE LIGHTNING....0%.  
CWR.................0%.  
MAX TEMPERATURE.....45-55 NEAR 7000 FEET.  
34-44 NEAR 10000 FEET.  
24 HR TREND......1 DEGREE WARMER.  
MIN HUMIDITY........44-54% NEAR 7000 FEET.  
50-60% NEAR 10000 FEET.  
24 HR TREND......16% DRIER.  
20-FOOT WINDS.......SOUTHWEST 15-20 MPH WITH GUSTS TO AROUND 35  
MPH.  
12K FT MSL WINDS....SOUTHWEST AROUND 40 MPH BECOMING AROUND 30 MPH  
IN THE AFTERNOON.  
MIXING HEIGHT.......5000 FT AGL.  
CLIMATOLOGY......40-50TH PERCENTILE.  
CLEARING INDEX......850.  
   
FORECAST DAYS 3 THROUGH 7
 
   
TUESDAY
 
MOSTLY CLOUDY. LOWS IN THE LOWER 30S IN THE VALLEYS  
AND IN THE MID 20S IN THE MOUNTAINS. HIGHS IN THE UPPER 40S IN  
THE VALLEYS AND IN THE UPPER 30S IN THE MOUNTAINS. SOUTHWEST  
WINDS AROUND 15 MPH.    
WEDNESDAY
 
MOSTLY CLOUDY. AREAS OF SNOW. LOWS IN THE LOWER 30S  
IN THE VALLEYS AND IN THE MID 20S IN THE MOUNTAINS. HIGHS IN THE  
MID 40S IN THE VALLEYS AND IN THE MID 30S IN THE MOUNTAINS. SOUTH  
WINDS AROUND 15 MPH.    
THURSDAY
 
SNOW. LOWS IN THE MID 30S IN THE VALLEYS AND IN THE  
UPPER 20S IN THE MOUNTAINS. HIGHS IN THE LOWER 40S IN THE VALLEYS  
AND IN THE MID 30S IN THE MOUNTAINS. SOUTHWEST WINDS AROUND  
20 MPH.    
FRIDAY
 
SNOW. LOWS IN THE LOWER 30S IN THE VALLEYS AND IN THE  
MID 20S IN THE MOUNTAINS. HIGHS IN THE LOWER 40S IN THE VALLEYS  
AND IN THE LOWER 30S IN THE MOUNTAINS.    
SATURDAY
 
MOSTLY CLOUDY. AREAS OF SNOW. LOWS IN THE MID 20S IN  
THE VALLEYS AND AROUND 18 IN THE MOUNTAINS. HIGHS AROUND 40 IN  
THE VALLEYS AND IN THE UPPER 20S IN THE MOUNTAINS.  
=  
 

 
 
UTZ482-211300-  
WESTERN UINTAH BASIN-  
206 PM MST SAT DEC 20 2025  
   
TONIGHT
 
 
SKY/WEATHER.........MOSTLY CLOUDY (50-60% CLOUD COVER).  
CHANCE LIGHTNING....0%.  
CWR.................0%.  
MIN TEMPERATURE.....25-35.  
24 HR TREND......4 DEGREES COOLER.  
MAX HUMIDITY........82-92% NEAR 6000 FEET.  
75-85% NEAR 8000 FEET.  
24 HR TREND......7% WETTER NEAR 6000 FEET.  
3% DRIER NEAR 8000 FEET.  
20-FOOT WINDS.......DOWNSLOPE/DOWNVALLEY 5-10 MPH.  
12K FT MSL WINDS....WEST AROUND 40 MPH.  
   
SUNDAY
 
 
SKY/WEATHER.........PARTLY SUNNY (65-75% CLOUD COVER). AREAS OF  
RAIN.  
CHANCE LIGHTNING....0%.  
CWR.................10%.  
MAX TEMPERATURE.....48-54 NEAR 6000 FEET.  
42-48 NEAR 8000 FEET.  
24 HR TREND......3 DEGREES WARMER.  
MIN HUMIDITY........48-58% NEAR 6000 FEET.  
57-67% NEAR 8000 FEET.  
24 HR TREND......3% WETTER.  
20-FOOT WINDS.......UPSLOPE/UPVALLEY 5-10 MPH.  
12K FT MSL WINDS....WEST AROUND 45 MPH.  
MIXING HEIGHT.......3400 FT AGL.  
CLIMATOLOGY......20-30TH PERCENTILE.  
CLEARING INDEX......490.  
   
SUNDAY NIGHT
 
 
SKY/WEATHER.........MOSTLY CLOUDY (45-55% CLOUD COVER) UNTIL 2400,  
THEN PARTLY CLOUDY (45-55% CLOUD COVER).  
CHANCE LIGHTNING....0%.  
CWR.................0%.  
MIN TEMPERATURE.....26-36.  
24 HR TREND......1 DEGREE WARMER.  
MAX HUMIDITY........77-87% NEAR 6000 FEET.  
65-75% NEAR 8000 FEET.  
24 HR TREND......7% DRIER.  
20-FOOT WINDS.......DOWNSLOPE/DOWNVALLEY 5-10 MPH.  
12K FT MSL WINDS....WEST AROUND 45 MPH.  
   
MONDAY
 
 
SKY/WEATHER.........PARTLY CLOUDY (40-50% CLOUD COVER).  
CHANCE LIGHTNING....0%.  
CWR.................0%.  
MAX TEMPERATURE.....51-57 NEAR 6000 FEET.  
44-50 NEAR 8000 FEET.  
24 HR TREND......2 DEGREES WARMER.  
MIN HUMIDITY........36-46% NEAR 6000 FEET.  
41-51% NEAR 8000 FEET.  
24 HR TREND......12% DRIER NEAR 6000 FEET.  
17% DRIER NEAR 8000 FEET.  
20-FOOT WINDS.......UPSLOPE/UPVALLEY 5-10 MPH.  
12K FT MSL WINDS....SOUTHWEST 40-45 MPH.  
MIXING HEIGHT.......4400 FT AGL.  
CLIMATOLOGY......30-40TH PERCENTILE.  
CLEARING INDEX......470.  
   
FORECAST DAYS 3 THROUGH 7
 
   
TUESDAY
 
MOSTLY CLOUDY. LOWS IN THE LOWER 30S. HIGHS AROUND  
50 IN THE VALLEYS AND IN THE MID 40S IN THE MOUNTAINS. WINDS  
GENERALLY LESS THAN 15 MPH.    
WEDNESDAY
 
MOSTLY CLOUDY. AREAS OF RAIN. LOWS IN THE LOWER 30S.  
HIGHS IN THE UPPER 40S IN THE VALLEYS AND IN THE LOWER 40S IN THE  
MOUNTAINS. WINDS GENERALLY LESS THAN 15 MPH.    
THURSDAY
 
RAIN. LOWS IN THE MID 30S. HIGHS IN THE UPPER 40S IN  
THE VALLEYS AND AROUND 40 IN THE MOUNTAINS. WINDS GENERALLY LESS  
THAN 15 MPH.    
FRIDAY
 
WIDESPREAD RAIN AND SNOW. LOWS IN THE LOWER 30S. HIGHS  
IN THE MID 40S IN THE VALLEYS AND IN THE UPPER 30S IN THE  
MOUNTAINS.    
SATURDAY
 
MOSTLY CLOUDY. AREAS OF SNOW AND RAIN. LOWS IN THE  
MID 20S. HIGHS IN THE LOWER 40S IN THE VALLEYS AND IN THE MID 30S  
IN THE MOUNTAINS.  
=  
 

 
 
UTZ483-211300-  
SOUTHERN ASHLEY NATIONAL FOREST-  
206 PM MST SAT DEC 20 2025  
   
TONIGHT
 
 
SKY/WEATHER.........MOSTLY CLOUDY (50-60% CLOUD COVER).  
CHANCE LIGHTNING....0%.  
CWR.................0%.  
MIN TEMPERATURE.....32-38 NEAR 7000 FEET.  
28-34 NEAR 9000 FEET.  
24 HR TREND......2 DEGREES COOLER.  
MAX HUMIDITY........64-74% NEAR 7000 FEET.  
71-81% NEAR 9000 FEET.  
24 HR TREND......7% DRIER.  
20-FOOT WINDS.......DOWNSLOPE/DOWNVALLEY 5-10 MPH.  
12K FT MSL WINDS....WEST AROUND 40 MPH.  
   
SUNDAY
 
 
SKY/WEATHER.........PARTLY SUNNY (60-70% CLOUD COVER). LOCAL SNOW  
UNTIL 1200. AREAS OF RAIN AND SNOW AFTER 1200.  
CHANCE LIGHTNING....0%.  
CWR.................10%.  
MAX TEMPERATURE.....47-53 NEAR 7000 FEET.  
36-42 NEAR 9000 FEET.  
24 HR TREND......3 DEGREES WARMER.  
MIN HUMIDITY........46-56% NEAR 7000 FEET.  
59-69% NEAR 9000 FEET.  
24 HR TREND......6% DRIER.  
20-FOOT WINDS.......UPSLOPE/UPVALLEY 5-10 MPH.  
12K FT MSL WINDS....WEST 45-50 MPH.  
MIXING HEIGHT.......2900 FT AGL.  
CLIMATOLOGY......20-30TH PERCENTILE.  
CLEARING INDEX......480.  
   
SUNDAY NIGHT
 
 
SKY/WEATHER.........PARTLY CLOUDY (35-45% CLOUD COVER).  
CHANCE LIGHTNING....0%.  
CWR.................0%.  
MIN TEMPERATURE.....33-39 NEAR 7000 FEET.  
29-35 NEAR 9000 FEET.  
24 HR TREND......1 DEGREE WARMER.  
MAX HUMIDITY........61-68% NEAR 7000 FEET.  
66-76% NEAR 9000 FEET.  
24 HR TREND......6% DRIER.  
20-FOOT WINDS.......DOWNSLOPE/DOWNVALLEY 5-10 MPH.  
12K FT MSL WINDS....WEST 45-50 MPH.  
   
MONDAY
 
 
SKY/WEATHER.........PARTLY CLOUDY (40-50% CLOUD COVER).  
CHANCE LIGHTNING....0%.  
CWR.................0%.  
MAX TEMPERATURE.....49-55 NEAR 7000 FEET.  
39-45 NEAR 9000 FEET.  
24 HR TREND......2 DEGREES WARMER.  
MIN HUMIDITY........36-45% NEAR 7000 FEET.  
46-56% NEAR 9000 FEET.  
24 HR TREND......13% DRIER.  
20-FOOT WINDS.......UPSLOPE/UPVALLEY 5-10 MPH.  
12K FT MSL WINDS....SOUTHWEST 40-45 MPH.  
MIXING HEIGHT.......3700 FT AGL.  
CLIMATOLOGY......20-30TH PERCENTILE.  
CLEARING INDEX......570.  
   
FORECAST DAYS 3 THROUGH 7
 
   
TUESDAY
 
MOSTLY CLOUDY. LOWS IN THE MID 30S IN THE VALLEYS AND  
IN THE LOWER 30S IN THE MOUNTAINS. HIGHS IN THE UPPER 40S IN THE  
VALLEYS AND IN THE UPPER 30S IN THE MOUNTAINS. WINDS GENERALLY  
LESS THAN 15 MPH.    
WEDNESDAY
 
MOSTLY CLOUDY. AREAS OF RAIN AND SNOW. LOWS IN THE  
MID 30S IN THE VALLEYS AND AROUND 30 IN THE MOUNTAINS. HIGHS IN  
THE UPPER 40S IN THE VALLEYS AND IN THE UPPER 30S IN THE  
MOUNTAINS. WINDS GENERALLY LESS THAN 15 MPH.    
THURSDAY
 
RAIN AND SNOW. LOWS IN THE UPPER 30S IN THE VALLEYS  
AND IN THE MID 30S IN THE MOUNTAINS. HIGHS IN THE UPPER 40S IN  
THE VALLEYS AND IN THE MID 30S IN THE MOUNTAINS. SOUTH WINDS  
AROUND 15 MPH.    
FRIDAY
 
WIDESPREAD SNOW AND RAIN. LOWS IN THE UPPER 30S IN THE  
VALLEYS AND IN THE LOWER 30S IN THE MOUNTAINS. HIGHS IN THE MID  
40S IN THE VALLEYS AND IN THE MID 30S IN THE MOUNTAINS.    
SATURDAY
 
MOSTLY CLOUDY. AREAS OF SNOW. LOWS IN THE LOWER 30S  
IN THE VALLEYS AND IN THE MID 20S IN THE MOUNTAINS. HIGHS IN THE  
LOWER 40S IN THE VALLEYS AND IN THE LOWER 30S IN THE MOUNTAINS.  
=  
 

 
 
UTZ484-211300-  
TAVAPUTS PLATEAU-  
206 PM MST SAT DEC 20 2025  
   
TONIGHT
 
 
SKY/WEATHER.........MOSTLY CLOUDY (55-65% CLOUD COVER).  
CHANCE LIGHTNING....0%.  
CWR.................0%.  
MIN TEMPERATURE.....27-37.  
24 HR TREND......2 DEGREES COOLER.  
MAX HUMIDITY........66-76% NEAR 6000 FEET.  
72-82% NEAR 8000 FEET.  
24 HR TREND......6% WETTER NEAR 6000 FEET.  
5% DRIER NEAR 8000 FEET.  
20-FOOT WINDS.......DOWNSLOPE/DOWNVALLEY 5-10 MPH.  
12K FT MSL WINDS....WEST AROUND 40 MPH.  
   
SUNDAY
 
 
SKY/WEATHER.........MOSTLY CLOUDY (70-80% CLOUD COVER) UNTIL 1200,  
THEN PARTLY CLOUDY (30-40% CLOUD COVER).  
CHANCE LIGHTNING....0%.  
CWR.................0%.  
MAX TEMPERATURE.....49-56 NEAR 6000 FEET.  
39-46 NEAR 8000 FEET.  
24 HR TREND......UNCHANGED.  
MIN HUMIDITY........40-50% NEAR 6000 FEET.  
54-64% NEAR 8000 FEET.  
24 HR TREND......UNCHANGED.  
20-FOOT WINDS.......UPSLOPE/UPVALLEY 5-10 MPH.  
12K FT MSL WINDS....WEST 40-45 MPH.  
MIXING HEIGHT.......2900 FT AGL.  
CLIMATOLOGY......20-30TH PERCENTILE.  
CLEARING INDEX......350.  
   
SUNDAY NIGHT
 
 
SKY/WEATHER.........PARTLY CLOUDY (35-45% CLOUD COVER).  
CHANCE LIGHTNING....0%.  
CWR.................0%.  
MIN TEMPERATURE.....32-39 NEAR 6000 FEET.  
29-35 NEAR 8000 FEET.  
24 HR TREND......1 DEGREE WARMER.  
MAX HUMIDITY........64-74% NEAR 6000 FEET.  
70-80% NEAR 8000 FEET.  
24 HR TREND......4% DRIER.  
20-FOOT WINDS.......DOWNSLOPE/DOWNVALLEY 5-10 MPH.  
12K FT MSL WINDS....WEST AROUND 45 MPH.  
   
MONDAY
 
 
SKY/WEATHER.........PARTLY SUNNY (50-60% CLOUD COVER) UNTIL 1200,  
THEN PARTLY CLOUDY (40-50% CLOUD COVER).  
CHANCE LIGHTNING....0%.  
CWR.................0%.  
MAX TEMPERATURE.....51-58 NEAR 6000 FEET.  
42-48 NEAR 8000 FEET.  
24 HR TREND......2 DEGREES WARMER.  
MIN HUMIDITY........34-44% NEAR 6000 FEET.  
43-53% NEAR 8000 FEET.  
24 HR TREND......9% DRIER.  
20-FOOT WINDS.......UPSLOPE/UPVALLEY 5-10 MPH.  
12K FT MSL WINDS....SOUTHWEST 40-45 MPH.  
MIXING HEIGHT.......3000 FT AGL.  
CLIMATOLOGY......20-30TH PERCENTILE.  
CLEARING INDEX......320.  
   
FORECAST DAYS 3 THROUGH 7
 
   
TUESDAY
 
MOSTLY CLOUDY. LOWS IN THE MID 30S. HIGHS IN THE LOWER  
50S IN THE VALLEYS AND IN THE LOWER 40S IN THE MOUNTAINS. WINDS  
GENERALLY LESS THAN 15 MPH.    
WEDNESDAY
 
MOSTLY CLOUDY. AREAS OF RAIN. LOWS IN THE LOWER 30S.  
HIGHS AROUND 50 IN THE VALLEYS AND IN THE LOWER 40S IN THE  
MOUNTAINS. SOUTH WINDS AROUND 15 MPH.    
THURSDAY
 
WIDESPREAD RAIN AND SNOW. LOWS IN THE UPPER 30S.  
HIGHS IN THE LOWER 50S IN THE VALLEYS AND IN THE LOWER 40S IN THE  
MOUNTAINS. SOUTH WINDS AROUND 15 MPH.    
FRIDAY
 
WIDESPREAD RAIN AND SNOW. LOWS IN THE UPPER 30S IN THE  
VALLEYS AND IN THE LOWER 30S IN THE MOUNTAINS. HIGHS IN THE UPPER  
40S IN THE VALLEYS AND IN THE UPPER 30S IN THE MOUNTAINS.    
SATURDAY
 
MOSTLY CLOUDY. AREAS OF SNOW AND RAIN. LOWS IN THE  
UPPER 20S. HIGHS IN THE MID 40S IN THE VALLEYS AND IN THE UPPER  
30S IN THE MOUNTAINS.  
=  
 

 
 
UTZ488-211300-  
MANTI NATIONAL FOREST-  
206 PM MST SAT DEC 20 2025  
   
TONIGHT
 
 
SKY/WEATHER.........MOSTLY CLOUDY (60-70% CLOUD COVER).  
CHANCE LIGHTNING....0%.  
CWR.................0%.  
MIN TEMPERATURE.....28-38.  
24 HR TREND......1 DEGREE COOLER.  
MAX HUMIDITY........73-83%.  
24 HR TREND......6% DRIER NEAR 6500 FEET.  
11% DRIER NEAR 8500 FEET.  
20-FOOT WINDS.......DOWNSLOPE/DOWNVALLEY 5-10 MPH.  
12K FT MSL WINDS....WEST AROUND 35 MPH.  
   
SUNDAY
 
 
SKY/WEATHER.........PARTLY SUNNY (65-75% CLOUD COVER). AREAS OF  
RAIN. LOCAL SNOW AFTER 1200.  
CHANCE LIGHTNING....0%.  
CWR.................10%.  
MAX TEMPERATURE.....46-56 NEAR 6500 FEET.  
39-49 NEAR 8500 FEET.  
24 HR TREND......6 DEGREES WARMER.  
MIN HUMIDITY........46-56% NEAR 6500 FEET.  
52-62% NEAR 8500 FEET.  
24 HR TREND......11% DRIER.  
20-FOOT WINDS.......UPSLOPE/UPVALLEY 5-10 MPH.  
12K FT MSL WINDS....WEST AROUND 40 MPH.  
MIXING HEIGHT.......3100 FT AGL.  
CLIMATOLOGY......20-30TH PERCENTILE.  
CLEARING INDEX......540.  
   
SUNDAY NIGHT
 
 
SKY/WEATHER.........MOSTLY CLOUDY (65-75% CLOUD COVER).  
CHANCE LIGHTNING....0%.  
CWR.................0%.  
MIN TEMPERATURE.....29-39.  
24 HR TREND......2 DEGREES WARMER.  
MAX HUMIDITY........59-69% NEAR 6500 FEET.  
55-65% NEAR 8500 FEET.  
24 HR TREND......14% DRIER.  
20-FOOT WINDS.......DOWNSLOPE/DOWNVALLEY 5-10 MPH.  
12K FT MSL WINDS....WEST AROUND 40 MPH.  
   
MONDAY
 
 
SKY/WEATHER.........PARTLY SUNNY (55-65% CLOUD COVER).  
CHANCE LIGHTNING....0%.  
CWR.................0%.  
MAX TEMPERATURE.....47-57 NEAR 6500 FEET.  
40-49 NEAR 8500 FEET.  
24 HR TREND......1 DEGREE WARMER.  
MIN HUMIDITY........37-47%.  
24 HR TREND......14% DRIER.  
20-FOOT WINDS.......UPSLOPE/UPVALLEY 5-10 MPH.  
12K FT MSL WINDS....SOUTHWEST AROUND 40 MPH.  
MIXING HEIGHT.......4300 FT AGL.  
CLIMATOLOGY......30-40TH PERCENTILE.  
CLEARING INDEX......670.  
   
FORECAST DAYS 3 THROUGH 7
 
   
TUESDAY
 
MOSTLY CLOUDY. LOWS IN THE MID 30S IN THE VALLEYS AND  
IN THE LOWER 30S IN THE MOUNTAINS. HIGHS IN THE UPPER 40S IN THE  
VALLEYS AND IN THE LOWER 40S IN THE MOUNTAINS. WINDS GENERALLY  
LESS THAN 15 MPH.    
WEDNESDAY
 
MOSTLY CLOUDY. WIDESPREAD SNOW. LOWS IN THE MID 30S  
IN THE VALLEYS AND AROUND 30 IN THE MOUNTAINS. HIGHS IN THE UPPER  
40S IN THE VALLEYS AND AROUND 40 IN THE MOUNTAINS. WINDS  
GENERALLY LESS THAN 15 MPH.    
THURSDAY
 
RAIN AND SNOW. LOWS IN THE UPPER 30S IN THE VALLEYS  
AND IN THE LOWER 30S IN THE MOUNTAINS. HIGHS IN THE MID 40S IN  
THE VALLEYS AND IN THE UPPER 30S IN THE MOUNTAINS. WINDS  
GENERALLY LESS THAN 15 MPH.    
FRIDAY
 
WIDESPREAD SNOW AND RAIN. LOWS IN THE MID 30S IN THE  
VALLEYS AND AROUND 30 IN THE MOUNTAINS. HIGHS IN THE MID 40S IN  
THE VALLEYS AND IN THE MID 30S IN THE MOUNTAINS.    
SATURDAY
 
MOSTLY CLOUDY. AREAS OF SNOW. LOWS IN THE MID 20S.  
HIGHS IN THE LOWER 40S IN THE VALLEYS AND IN THE MID 30S IN THE  
MOUNTAINS.  
=  
 

 
 
UTZ489-211300-  
SAN RAFAEL SWELL-  
206 PM MST SAT DEC 20 2025  
   
TONIGHT
 
 
SKY/WEATHER.........PARTLY CLOUDY (45-55% CLOUD COVER).  
CHANCE LIGHTNING....0%.  
CWR.................0%.  
MIN TEMPERATURE.....28-38.  
24 HR TREND......1 DEGREE COOLER.  
MAX HUMIDITY........70-80%.  
24 HR TREND......5% WETTER.  
20-FOOT WINDS.......DOWNSLOPE/DOWNVALLEY 5-10 MPH.  
12K FT MSL WINDS....WEST AROUND 35 MPH.  
   
SUNDAY
 
 
SKY/WEATHER.........PARTLY SUNNY (55-65% CLOUD COVER) UNTIL 1200,  
THEN PARTLY CLOUDY (35-45% CLOUD COVER).  
CHANCE LIGHTNING....0%.  
CWR.................0%.  
MAX TEMPERATURE.....52-59 NEAR 5000 FEET.  
45-51 NEAR 7000 FEET.  
24 HR TREND......UNCHANGED.  
MIN HUMIDITY........37-47% NEAR 5000 FEET.  
44-54% NEAR 7000 FEET.  
24 HR TREND......3% WETTER.  
20-FOOT WINDS.......UPSLOPE/UPVALLEY 5-10 MPH.  
12K FT MSL WINDS....WEST 35-40 MPH.  
MIXING HEIGHT.......2300 FT AGL.  
CLIMATOLOGY......20-30TH PERCENTILE.  
CLEARING INDEX......180.  
   
SUNDAY NIGHT
 
 
SKY/WEATHER.........MOSTLY CLOUDY (65-75% CLOUD COVER).  
CHANCE LIGHTNING....0%.  
CWR.................0%.  
MIN TEMPERATURE.....27-37.  
24 HR TREND......UNCHANGED.  
MAX HUMIDITY........69-79% NEAR 5000 FEET.  
64-74% NEAR 7000 FEET.  
24 HR TREND......UNCHANGED.  
20-FOOT WINDS.......DOWNSLOPE/DOWNVALLEY 5-10 MPH.  
12K FT MSL WINDS....WEST 35-40 MPH.  
   
MONDAY
 
 
SKY/WEATHER.........PARTLY SUNNY (60-70% CLOUD COVER).  
CHANCE LIGHTNING....0%.  
CWR.................0%.  
MAX TEMPERATURE.....54-60 NEAR 5000 FEET.  
47-53 NEAR 7000 FEET.  
24 HR TREND......1 DEGREE WARMER.  
MIN HUMIDITY........32-42% NEAR 5000 FEET.  
38-48% NEAR 7000 FEET.  
24 HR TREND......4% DRIER.  
20-FOOT WINDS.......UPSLOPE/UPVALLEY 5-10 MPH.  
12K FT MSL WINDS....WEST AROUND 40 MPH.  
MIXING HEIGHT.......2200 FT AGL.  
CLIMATOLOGY......20-30TH PERCENTILE.  
CLEARING INDEX......120.  
   
FORECAST DAYS 3 THROUGH 7
 
   
TUESDAY
 
MOSTLY CLOUDY. LOWS IN THE LOWER 30S. HIGHS IN THE MID  
50S IN THE VALLEYS AND IN THE UPPER 40S IN THE MOUNTAINS. WINDS  
GENERALLY LESS THAN 15 MPH.    
WEDNESDAY
 
MOSTLY CLOUDY. AREAS OF RAIN. LOWS IN THE LOWER 30S.  
HIGHS IN THE MID 50S IN THE VALLEYS AND IN THE MID 40S IN THE  
MOUNTAINS. WINDS GENERALLY LESS THAN 15 MPH.    
THURSDAY
 
WIDESPREAD RAIN. LOWS IN THE UPPER 30S. HIGHS IN THE  
MID 50S IN THE VALLEYS AND IN THE UPPER 40S IN THE MOUNTAINS.  
SOUTH WINDS AROUND 15 MPH.    
FRIDAY
 
MOSTLY CLOUDY. AREAS OF RAIN. LOWS IN THE MID 30S.  
HIGHS IN THE MID 50S IN THE VALLEYS AND IN THE MID 40S IN THE  
MOUNTAINS.    
SATURDAY
 
MOSTLY CLOUDY. AREAS OF RAIN AND SNOW. LOWS IN THE  
LOWER 30S. HIGHS IN THE LOWER 50S IN THE VALLEYS AND IN THE LOWER  
40S IN THE MOUNTAINS.  
=  
 

 
 
UTZ492-211300-  
CENTRAL UTAH WEST DESERT-  
206 PM MST SAT DEC 20 2025  
   
TONIGHT
 
 
SKY/WEATHER.........MOSTLY CLOUDY (65-75% CLOUD COVER).  
CHANCE LIGHTNING....0%.  
CWR.................0%.  
MIN TEMPERATURE.....32-42.  
24 HR TREND......1 DEGREE COOLER.  
MAX HUMIDITY........65-75% NEAR 5000 FEET.  
61-71% NEAR 8000 FEET.  
24 HR TREND......UNCHANGED NEAR 5000 FEET.  
6% DRIER NEAR 8000 FEET.  
20-FOOT WINDS.......DOWNSLOPE/DOWNVALLEY 5-10 MPH.  
12K FT MSL WINDS....WEST AROUND 35 MPH.  
   
SUNDAY
 
 
SKY/WEATHER.........CLOUDY (85-95% CLOUD COVER).  
CHANCE LIGHTNING....0%.  
CWR.................0%.  
MAX TEMPERATURE.....55-62 NEAR 5000 FEET.  
45-51 NEAR 8000 FEET.  
24 HR TREND......4 DEGREES WARMER.  
MIN HUMIDITY........38-48% NEAR 5000 FEET.  
46-56% NEAR 8000 FEET.  
24 HR TREND......2% DRIER NEAR 5000 FEET.  
10% DRIER NEAR 8000 FEET.  
20-FOOT WINDS.......SOUTH AROUND 15 MPH WITH GUSTS TO AROUND 30  
MPH.  
12K FT MSL WINDS....WEST 40-45 MPH.  
MIXING HEIGHT.......3900 FT AGL.  
CLIMATOLOGY......20-30TH PERCENTILE.  
CLEARING INDEX......770.  
   
SUNDAY NIGHT
 
 
SKY/WEATHER.........CLOUDY (85-95% CLOUD COVER).  
CHANCE LIGHTNING....0%.  
CWR.................0%.  
MIN TEMPERATURE.....35-45.  
24 HR TREND......3 DEGREES WARMER.  
MAX HUMIDITY........52-62% NEAR 5000 FEET.  
48-58% NEAR 8000 FEET.  
24 HR TREND......11% DRIER.  
20-FOOT WINDS.......SOUTH AROUND 15 MPH WITH GUSTS TO AROUND 30  
MPH.  
12K FT MSL WINDS....SOUTHWEST AROUND 45 MPH.  
   
MONDAY
 
 
SKY/WEATHER.........MOSTLY CLOUDY (70-80% CLOUD COVER).  
CHANCE LIGHTNING....0%.  
CWR.................0%.  
MAX TEMPERATURE.....58-64 NEAR 5000 FEET.  
46-52 NEAR 8000 FEET.  
24 HR TREND......2 DEGREES WARMER.  
MIN HUMIDITY........25-35% NEAR 5000 FEET.  
31-38% NEAR 8000 FEET.  
24 HR TREND......12% DRIER.  
20-FOOT WINDS.......SOUTH AROUND 15 MPH.  
12K FT MSL WINDS....SOUTHWEST 40-45 MPH.  
MIXING HEIGHT.......5300 FT AGL.  
CLIMATOLOGY......20-30TH PERCENTILE.  
CLEARING INDEX......940.  
   
FORECAST DAYS 3 THROUGH 7
 
   
TUESDAY
 
MOSTLY CLOUDY. LOWS IN THE UPPER 30S. HIGHS AROUND  
60 IN THE VALLEYS AND IN THE UPPER 40S IN THE MOUNTAINS. SOUTH  
WINDS AROUND 15 MPH.    
WEDNESDAY
 
BREEZY. MOSTLY CLOUDY. AREAS OF RAIN. LOWS AROUND  
40. HIGHS IN THE UPPER 50S IN THE VALLEYS AND IN THE MID 40S IN  
THE MOUNTAINS. SOUTH WINDS AROUND 25 MPH.    
THURSDAY
 
WIDESPREAD RAIN. LOWS IN THE LOWER 40S. HIGHS IN THE  
MID 50S IN THE VALLEYS AND IN THE LOWER 40S IN THE MOUNTAINS.  
SOUTH WINDS AROUND 20 MPH.    
FRIDAY
 
MOSTLY CLOUDY. AREAS OF RAIN AND SNOW. LOWS IN THE  
UPPER 30S. HIGHS IN THE LOWER 50S IN THE VALLEYS AND AROUND 40 IN  
THE MOUNTAINS.    
SATURDAY
 
MOSTLY CLOUDY. AREAS OF RAIN AND SNOW. LOWS IN THE  
LOWER 30S. HIGHS IN THE UPPER 40S IN THE VALLEYS AND IN THE UPPER  
30S IN THE MOUNTAINS.  
=  
 

 
 
UTZ493-211300-  
CENTRAL UTAH MOUNTAINS-  
206 PM MST SAT DEC 20 2025  
   
TONIGHT
 
 
SKY/WEATHER.........MOSTLY CLOUDY (45-55% CLOUD COVER) UNTIL 2400,  
THEN PARTLY CLOUDY (45-55% CLOUD COVER).  
CHANCE LIGHTNING....0%.  
CWR.................0%.  
MIN TEMPERATURE.....30-40.  
24 HR TREND......6 DEGREES COOLER NEAR 5000 FEET.  
1 DEGREE COOLER NEAR 8000 FEET.  
MAX HUMIDITY........75-85% NEAR 5000 FEET.  
66-76% NEAR 8000 FEET.  
24 HR TREND......9% WETTER NEAR 5000 FEET.  
2% WETTER NEAR 8000 FEET.  
20-FOOT WINDS.......DOWNSLOPE/DOWNVALLEY 5-10 MPH.  
12K FT MSL WINDS....WEST AROUND 30 MPH.  
   
SUNDAY
 
 
SKY/WEATHER.........MOSTLY CLOUDY (70-80% CLOUD COVER).  
CHANCE LIGHTNING....0%.  
CWR.................0%.  
MAX TEMPERATURE.....60-66 NEAR 5000 FEET.  
49-55 NEAR 8000 FEET.  
24 HR TREND......5 DEGREES WARMER.  
MIN HUMIDITY........39-49%.  
24 HR TREND......6% DRIER.  
20-FOOT WINDS.......SOUTHWEST AROUND 15 MPH WITH GUSTS TO AROUND 30  
MPH.  
12K FT MSL WINDS....WEST 35-40 MPH.  
MIXING HEIGHT.......4000 FT AGL.  
CLIMATOLOGY......20-30TH PERCENTILE.  
CLEARING INDEX......700.  
   
SUNDAY NIGHT
 
 
SKY/WEATHER.........MOSTLY CLOUDY (75-85% CLOUD COVER).  
CHANCE LIGHTNING....0%.  
CWR.................0%.  
MIN TEMPERATURE.....33-43.  
24 HR TREND......2 DEGREES WARMER.  
MAX HUMIDITY........58-68% NEAR 5000 FEET.  
50-60% NEAR 8000 FEET.  
24 HR TREND......19% DRIER.  
20-FOOT WINDS.......SOUTHWEST AROUND 15 MPH WITH GUSTS TO AROUND 30  
MPH.  
12K FT MSL WINDS....WEST AROUND 45 MPH.  
   
MONDAY
 
 
SKY/WEATHER.........PARTLY SUNNY (60-70% CLOUD COVER).  
CHANCE LIGHTNING....0%.  
CWR.................0%.  
MAX TEMPERATURE.....61-67 NEAR 5000 FEET.  
50-56 NEAR 8000 FEET.  
24 HR TREND......1 DEGREE WARMER.  
MIN HUMIDITY........24-34%.  
24 HR TREND......15% DRIER.  
20-FOOT WINDS.......SOUTHWEST AROUND 15 MPH WITH GUSTS TO AROUND 30  
MPH.  
12K FT MSL WINDS....SOUTHWEST 40-45 MPH.  
MIXING HEIGHT.......6000 FT AGL.  
CLIMATOLOGY......30-40TH PERCENTILE.  
CLEARING INDEX......1000+.  
   
FORECAST DAYS 3 THROUGH 7
 
   
TUESDAY
 
MOSTLY CLOUDY. LOWS IN THE MID 30S. HIGHS IN THE LOWER  
60S IN THE VALLEYS AND AROUND 50 IN THE MOUNTAINS. SOUTH WINDS  
AROUND 15 MPH.    
WEDNESDAY
 
WIDESPREAD RAIN AND SNOW. LOWS IN THE MID 30S. HIGHS  
IN THE UPPER 50S IN THE VALLEYS AND IN THE MID 40S IN THE  
MOUNTAINS. SOUTH WINDS AROUND 20 MPH.    
THURSDAY
 
RAIN AND SNOW. LOWS IN THE MID 30S. HIGHS IN THE MID  
50S IN THE VALLEYS AND IN THE MID 40S IN THE MOUNTAINS. SOUTH  
WINDS AROUND 20 MPH.    
FRIDAY
 
WIDESPREAD SNOW AND RAIN. LOWS IN THE LOWER 30S. HIGHS  
IN THE LOWER 50S IN THE VALLEYS AND IN THE LOWER 40S IN THE  
MOUNTAINS.    
SATURDAY
 
MOSTLY CLOUDY. AREAS OF SNOW AND RAIN. LOWS IN THE  
UPPER 20S. HIGHS IN THE UPPER 40S IN THE VALLEYS AND IN THE UPPER  
30S IN THE MOUNTAINS.  
=  
 

 
 
UTZ494-211300-  
HENRY MOUNTAINS-  
206 PM MST SAT DEC 20 2025  
   
TONIGHT
 
 
SKY/WEATHER.........PARTLY CLOUDY (45-55% CLOUD COVER).  
CHANCE LIGHTNING....0%.  
CWR.................0%.  
MIN TEMPERATURE.....32-42.  
24 HR TREND......1 DEGREE COOLER.  
MAX HUMIDITY........61-71% NEAR 5000 FEET.  
53-63% NEAR 8000 FEET.  
24 HR TREND......11% WETTER.  
20-FOOT WINDS.......DOWNSLOPE/DOWNVALLEY 5-10 MPH.  
12K FT MSL WINDS....WEST AROUND 30 MPH.  
   
SUNDAY
 
 
SKY/WEATHER.........PARTLY SUNNY (55-65% CLOUD COVER).  
CHANCE LIGHTNING....0%.  
CWR.................0%.  
MAX TEMPERATURE.....54-63 NEAR 5000 FEET.  
43-50 NEAR 8000 FEET.  
24 HR TREND......UNCHANGED.  
MIN HUMIDITY........36-42% NEAR 5000 FEET.  
44-54% NEAR 8000 FEET.  
24 HR TREND......6% WETTER.  
20-FOOT WINDS.......UPSLOPE/UPVALLEY 5-10 MPH BECOMING SOUTH AROUND  
15 MPH IN THE AFTERNOON.  
12K FT MSL WINDS....WEST AROUND 30 MPH BECOMING AROUND 40 MPH IN  
THE AFTERNOON.  
MIXING HEIGHT.......2700 FT AGL.  
CLIMATOLOGY......20-30TH PERCENTILE.  
CLEARING INDEX......440.  
   
SUNDAY NIGHT
 
 
SKY/WEATHER.........MOSTLY CLOUDY (75-85% CLOUD COVER).  
CHANCE LIGHTNING....0%.  
CWR.................0%.  
MIN TEMPERATURE.....34-44.  
24 HR TREND......2 DEGREES WARMER.  
MAX HUMIDITY........61-71% NEAR 5000 FEET.  
46-56% NEAR 8000 FEET.  
24 HR TREND......1% DRIER NEAR 5000 FEET.  
7% DRIER NEAR 8000 FEET.  
20-FOOT WINDS.......DOWNSLOPE/DOWNVALLEY 5-10 MPH.  
12K FT MSL WINDS....WEST AROUND 45 MPH.  
   
MONDAY
 
 
SKY/WEATHER.........MOSTLY CLOUDY (65-75% CLOUD COVER).  
CHANCE LIGHTNING....0%.  
CWR.................0%.  
MAX TEMPERATURE.....55-63 NEAR 5000 FEET.  
43-52 NEAR 8000 FEET.  
24 HR TREND......1 DEGREE WARMER.  
MIN HUMIDITY........29-38% NEAR 5000 FEET.  
38-48% NEAR 8000 FEET.  
24 HR TREND......7% DRIER.  
20-FOOT WINDS.......UPSLOPE/UPVALLEY 5-10 MPH BECOMING SOUTH AROUND  
15 MPH IN THE AFTERNOON.  
12K FT MSL WINDS....WEST 40-45 MPH.  
MIXING HEIGHT.......2700 FT AGL.  
CLIMATOLOGY......20-30TH PERCENTILE.  
CLEARING INDEX......360.  
   
FORECAST DAYS 3 THROUGH 7
 
   
TUESDAY
 
MOSTLY CLOUDY. LOWS IN THE UPPER 30S. HIGHS IN THE MID  
50S IN THE VALLEYS AND IN THE UPPER 40S IN THE MOUNTAINS. WINDS  
GENERALLY LESS THAN 15 MPH.    
WEDNESDAY
 
MOSTLY CLOUDY. AREAS OF RAIN. LOWS IN THE MID 30S.  
HIGHS IN THE MID 50S IN THE VALLEYS AND IN THE MID 40S IN THE  
MOUNTAINS. SOUTH WINDS AROUND 15 MPH.    
THURSDAY
 
RAIN SHOWERS AND ISOLATED THUNDERSTORMS. LOWS IN THE  
LOWER 40S. HIGHS IN THE MID 50S IN THE VALLEYS AND IN THE MID 40S  
IN THE MOUNTAINS. SOUTH WINDS AROUND 20 MPH.    
FRIDAY
 
MOSTLY CLOUDY. AREAS OF RAIN. LOWS AROUND 40. HIGHS IN  
THE MID 50S IN THE VALLEYS AND IN THE MID 40S IN THE MOUNTAINS.    
SATURDAY
 
MOSTLY CLOUDY. AREAS OF RAIN AND SNOW. LOWS IN THE  
MID 30S. HIGHS IN THE LOWER 50S IN THE VALLEYS AND IN THE LOWER  
40S IN THE MOUNTAINS.  
=  
 

 
 
UTZ495-211300-  
COLOR COUNTRY WEST DESERT-  
206 PM MST SAT DEC 20 2025  
   
TONIGHT
 
 
SKY/WEATHER.........PARTLY CLOUDY (45-55% CLOUD COVER) UNTIL 2400,  
THEN MOSTLY CLOUDY (45-55% CLOUD COVER).  
CHANCE LIGHTNING....0%.  
CWR.................0%.  
MIN TEMPERATURE.....29-39 NEAR 5000 FEET.  
33-43 NEAR 7000 FEET.  
24 HR TREND......1 DEGREE COOLER.  
MAX HUMIDITY........71-81% NEAR 5000 FEET.  
59-69% NEAR 7000 FEET.  
24 HR TREND......17% WETTER NEAR 5000 FEET.  
9% WETTER NEAR 7000 FEET.  
20-FOOT WINDS.......DOWNSLOPE/DOWNVALLEY 5-10 MPH.  
12K FT MSL WINDS....WEST AROUND 30 MPH.  
   
SUNDAY
 
 
SKY/WEATHER.........MOSTLY CLOUDY (65-75% CLOUD COVER).  
CHANCE LIGHTNING....0%.  
CWR.................0%.  
MAX TEMPERATURE.....58-64 NEAR 5000 FEET.  
49-56 NEAR 7000 FEET.  
24 HR TREND......UNCHANGED.  
MIN HUMIDITY........38-45% NEAR 5000 FEET.  
41-50% NEAR 7000 FEET.  
24 HR TREND......5% WETTER.  
20-FOOT WINDS.......SOUTH AROUND 15 MPH WITH GUSTS TO AROUND 30  
MPH.  
12K FT MSL WINDS....SOUTHWEST 40-45 MPH.  
MIXING HEIGHT.......4100 FT AGL.  
CLIMATOLOGY......20-30TH PERCENTILE.  
CLEARING INDEX......970.  
   
SUNDAY NIGHT
 
 
SKY/WEATHER.........MOSTLY CLOUDY (75-85% CLOUD COVER).  
CHANCE LIGHTNING....0%.  
CWR.................0%.  
MIN TEMPERATURE.....34-44.  
24 HR TREND......4 DEGREES WARMER.  
MAX HUMIDITY........56-66% NEAR 5000 FEET.  
48-58% NEAR 7000 FEET.  
24 HR TREND......17% DRIER NEAR 5000 FEET.  
11% DRIER NEAR 7000 FEET.  
20-FOOT WINDS.......SOUTH AROUND 15 MPH WITH GUSTS TO AROUND 30  
MPH.  
12K FT MSL WINDS....SOUTHWEST AROUND 45 MPH.  
   
MONDAY
 
 
SKY/WEATHER.........MOSTLY CLOUDY (65-75% CLOUD COVER).  
CHANCE LIGHTNING....0%.  
CWR.................0%.  
MAX TEMPERATURE.....60-66 NEAR 5000 FEET.  
52-58 NEAR 7000 FEET.  
24 HR TREND......3 DEGREES WARMER.  
MIN HUMIDITY........25-31% NEAR 5000 FEET.  
27-37% NEAR 7000 FEET.  
24 HR TREND......13% DRIER.  
20-FOOT WINDS.......SOUTH AROUND 15 MPH WITH GUSTS TO AROUND 30  
MPH.  
12K FT MSL WINDS....SOUTHWEST AROUND 45 MPH.  
MIXING HEIGHT.......4900 FT AGL.  
CLIMATOLOGY......20-30TH PERCENTILE.  
CLEARING INDEX......1000+.  
   
FORECAST DAYS 3 THROUGH 7
 
   
TUESDAY
 
MOSTLY CLOUDY. LOWS IN THE MID 30S IN THE VALLEYS AND  
IN THE LOWER 40S IN THE MOUNTAINS. HIGHS IN THE LOWER 60S IN THE  
VALLEYS AND IN THE MID 50S IN THE MOUNTAINS. SOUTH WINDS AROUND  
15 MPH.    
WEDNESDAY
 
RAIN. LOWS IN THE UPPER 30S. HIGHS IN THE UPPER 50S  
IN THE VALLEYS AND IN THE UPPER 40S IN THE MOUNTAINS. SOUTH WINDS  
AROUND 20 MPH.    
THURSDAY
 
RAIN SHOWERS AND ISOLATED THUNDERSTORMS. LOWS AROUND  
40. HIGHS IN THE LOWER 50S IN THE VALLEYS AND IN THE MID 40S IN  
THE MOUNTAINS. SOUTH WINDS AROUND 20 MPH.    
FRIDAY
 
WIDESPREAD RAIN AND SNOW. LOWS IN THE UPPER 30S. HIGHS  
IN THE LOWER 50S IN THE VALLEYS AND IN THE LOWER 40S IN THE  
MOUNTAINS.    
SATURDAY
 
MOSTLY CLOUDY. AREAS OF SNOW AND RAIN. LOWS IN THE  
UPPER 20S IN THE VALLEYS AND IN THE LOWER 30S IN THE MOUNTAINS.  
HIGHS IN THE UPPER 40S IN THE VALLEYS AND IN THE LOWER 40S IN THE  
MOUNTAINS.  
=  
 

 
 
UTZ496-211300-  
COLOR COUNTRY MOUNTAINS-  
206 PM MST SAT DEC 20 2025  
   
TONIGHT
 
 
SKY/WEATHER.........PARTLY CLOUDY (30-40% CLOUD COVER).  
CHANCE LIGHTNING....0%.  
CWR.................0%.  
MIN TEMPERATURE.....28-38.  
24 HR TREND......1 DEGREE COOLER.  
MAX HUMIDITY........73-83%.  
24 HR TREND......17% WETTER.  
20-FOOT WINDS.......DOWNSLOPE/DOWNVALLEY 5-10 MPH.  
12K FT MSL WINDS....WEST 25-30 MPH.  
   
SUNDAY
 
 
SKY/WEATHER.........PARTLY SUNNY (50-60% CLOUD COVER) UNTIL 1200,  
THEN PARTLY CLOUDY (45-55% CLOUD COVER).  
CHANCE LIGHTNING....0%.  
CWR.................0%.  
MAX TEMPERATURE.....53-61 NEAR 6000 FEET.  
44-54 NEAR 8000 FEET.  
24 HR TREND......UNCHANGED.  
MIN HUMIDITY........40-50%.  
24 HR TREND......4% WETTER.  
20-FOOT WINDS.......UPSLOPE/UPVALLEY 5-10 MPH.  
12K FT MSL WINDS....WEST 40-45 MPH.  
MIXING HEIGHT.......3700 FT AGL.  
CLIMATOLOGY......20-30TH PERCENTILE.  
CLEARING INDEX......680.  
   
SUNDAY NIGHT
 
 
SKY/WEATHER.........MOSTLY CLOUDY (65-75% CLOUD COVER).  
CHANCE LIGHTNING....0%.  
CWR.................0%.  
MIN TEMPERATURE.....30-40.  
24 HR TREND......2 DEGREES WARMER.  
MAX HUMIDITY........57-67% NEAR 6000 FEET.  
52-62% NEAR 8000 FEET.  
24 HR TREND......14% DRIER NEAR 6000 FEET.  
19% DRIER NEAR 8000 FEET.  
20-FOOT WINDS.......DOWNSLOPE/DOWNVALLEY 5-10 MPH.  
12K FT MSL WINDS....WEST AROUND 50 MPH.  
   
MONDAY
 
 
SKY/WEATHER.........PARTLY SUNNY (55-65% CLOUD COVER).  
CHANCE LIGHTNING....0%.  
CWR.................0%.  
MAX TEMPERATURE.....55-62 NEAR 6000 FEET.  
47-56 NEAR 8000 FEET.  
24 HR TREND......1 DEGREE WARMER.  
MIN HUMIDITY........27-37%.  
24 HR TREND......13% DRIER.  
20-FOOT WINDS.......UPSLOPE/UPVALLEY 5-10 MPH.  
12K FT MSL WINDS....SOUTHWEST AROUND 45 MPH.  
MIXING HEIGHT.......4400 FT AGL.  
CLIMATOLOGY......30-40TH PERCENTILE.  
CLEARING INDEX......690.  
   
FORECAST DAYS 3 THROUGH 7
 
   
TUESDAY
 
MOSTLY CLOUDY. LOWS IN THE MID 30S. HIGHS IN THE MID  
50S IN THE VALLEYS AND AROUND 50 IN THE MOUNTAINS. WINDS  
GENERALLY LESS THAN 15 MPH.    
WEDNESDAY
 
RAIN SHOWERS, AREAS OF SNOW AND ISOLATED  
THUNDERSTORMS. LOWS IN THE UPPER 30S IN THE VALLEYS AND IN THE  
LOWER 30S IN THE MOUNTAINS. HIGHS IN THE LOWER 50S IN THE VALLEYS  
AND IN THE MID 40S IN THE MOUNTAINS. SOUTH WINDS AROUND 15 MPH.    
THURSDAY
 
RAIN SHOWERS, SNOW AND ISOLATED THUNDERSTORMS. LOWS  
AROUND 40 IN THE VALLEYS AND IN THE MID 30S IN THE MOUNTAINS.  
HIGHS IN THE UPPER 40S IN THE VALLEYS AND IN THE LOWER 40S IN THE  
MOUNTAINS. SOUTH WINDS AROUND 15 MPH.    
FRIDAY
 
SNOW WITH WIDESPREAD RAIN. LOWS IN THE UPPER 30S IN THE  
VALLEYS AND IN THE LOWER 30S IN THE MOUNTAINS. HIGHS IN THE UPPER  
40S IN THE VALLEYS AND AROUND 40 IN THE MOUNTAINS.    
SATURDAY
 
MOSTLY CLOUDY. AREAS OF SNOW AND RAIN. LOWS IN THE  
LOWER 30S IN THE VALLEYS AND IN THE UPPER 20S IN THE MOUNTAINS.  
HIGHS IN THE MID 40S IN THE VALLEYS AND IN THE UPPER 30S IN THE  
MOUNTAINS.  
=  
 

 
 
UTZ497-211300-  
MOJAVE DESERT-  
206 PM MST SAT DEC 20 2025  
   
TONIGHT
 
 
SKY/WEATHER.........MOSTLY CLEAR (20-30% CLOUD COVER).  
CHANCE LIGHTNING....0%.  
CWR.................0%.  
MIN TEMPERATURE.....41-51 NEAR 3000 FEET.  
37-45 NEAR 6000 FEET.  
24 HR TREND......1 DEGREE WARMER.  
MAX HUMIDITY........66-76%.  
24 HR TREND......11% WETTER.  
20-FOOT WINDS.......DOWNSLOPE/DOWNVALLEY 5-10 MPH.  
12K FT MSL WINDS....WEST AROUND 20 MPH BECOMING AROUND 30 MPH AFTER  
MIDNIGHT.  
   
SUNDAY
 
 
SKY/WEATHER.........PARTLY SUNNY (50-60% CLOUD COVER) UNTIL 1200,  
THEN PARTLY CLOUDY (40-50% CLOUD COVER).  
CHANCE LIGHTNING....0%.  
CWR.................0%.  
MAX TEMPERATURE.....62-68 NEAR 3000 FEET.  
49-58 NEAR 6000 FEET.  
24 HR TREND......1 DEGREE WARMER.  
MIN HUMIDITY........34-42% NEAR 3000 FEET.  
41-51% NEAR 6000 FEET.  
24 HR TREND......6% WETTER.  
20-FOOT WINDS.......UPSLOPE/UPVALLEY 5-10 MPH.  
12K FT MSL WINDS....SOUTHWEST 40-45 MPH.  
MIXING HEIGHT.......4300 FT AGL.  
CLIMATOLOGY......10-20TH PERCENTILE.  
CLEARING INDEX......390.  
   
SUNDAY NIGHT
 
 
SKY/WEATHER.........MOSTLY CLOUDY (65-75% CLOUD COVER).  
CHANCE LIGHTNING....0%.  
CWR.................0%.  
MIN TEMPERATURE.....41-51 NEAR 3000 FEET.  
39-47 NEAR 6000 FEET.  
24 HR TREND......1 DEGREE WARMER.  
MAX HUMIDITY........57-67% NEAR 3000 FEET.  
51-61% NEAR 6000 FEET.  
24 HR TREND......5% DRIER.  
20-FOOT WINDS.......DOWNSLOPE/DOWNVALLEY 5-10 MPH.  
12K FT MSL WINDS....WEST AROUND 45 MPH.  
   
MONDAY
 
 
SKY/WEATHER.........PARTLY SUNNY (55-65% CLOUD COVER).  
CHANCE LIGHTNING....0%.  
CWR.................0%.  
MAX TEMPERATURE.....64-70 NEAR 3000 FEET.  
52-59 NEAR 6000 FEET.  
24 HR TREND......2 DEGREES WARMER.  
MIN HUMIDITY........30-37% NEAR 3000 FEET.  
33-42% NEAR 6000 FEET.  
24 HR TREND......6% DRIER.  
20-FOOT WINDS.......UPSLOPE/UPVALLEY 5-10 MPH.  
12K FT MSL WINDS....SOUTHWEST 40-45 MPH.  
MIXING HEIGHT.......4100 FT AGL.  
CLIMATOLOGY......10-20TH PERCENTILE.  
CLEARING INDEX......290.  
   
FORECAST DAYS 3 THROUGH 7
 
   
TUESDAY
 
MOSTLY CLOUDY. LOWS IN THE MID 40S. HIGHS IN THE MID  
60S IN THE VALLEYS AND IN THE MID 50S IN THE MOUNTAINS. WINDS  
GENERALLY LESS THAN 15 MPH.    
WEDNESDAY
 
RAIN SHOWERS AND ISOLATED THUNDERSTORMS. LOWS IN THE  
UPPER 40S IN THE VALLEYS AND IN THE LOWER 40S IN THE MOUNTAINS.  
HIGHS IN THE LOWER 60S IN THE VALLEYS AND IN THE LOWER 50S IN THE  
MOUNTAINS. SOUTHEAST WINDS AROUND 15 MPH.    
THURSDAY
 
RAIN SHOWERS AND ISOLATED THUNDERSTORMS. LOWS IN THE  
LOWER 50S IN THE VALLEYS AND IN THE MID 40S IN THE MOUNTAINS.  
HIGHS IN THE UPPER 50S IN THE VALLEYS AND IN THE UPPER 40S IN THE  
MOUNTAINS. SOUTH WINDS AROUND 15 MPH.    
FRIDAY
 
RAIN SHOWERS AND ISOLATED THUNDERSTORMS. LOWS IN THE  
UPPER 40S IN THE VALLEYS AND IN THE LOWER 40S IN THE MOUNTAINS.  
HIGHS IN THE UPPER 50S IN THE VALLEYS AND IN THE UPPER 40S IN THE  
MOUNTAINS.    
SATURDAY
 
MOSTLY CLOUDY. AREAS OF RAIN AND SNOW. LOWS IN THE  
LOWER 40S IN THE VALLEYS AND IN THE UPPER 30S IN THE MOUNTAINS.  
HIGHS IN THE MID 50S IN THE VALLEYS AND IN THE MID 40S IN THE  
MOUNTAINS.  
=  
 

 
 
UTZ498-211300-  
GRAND STAIRCASE-  
206 PM MST SAT DEC 20 2025  
   
TONIGHT
 
 
SKY/WEATHER.........PARTLY CLOUDY (35-45% CLOUD COVER).  
CHANCE LIGHTNING....0%.  
CWR.................0%.  
MIN TEMPERATURE.....35-43 NEAR 4000 FEET.  
31-41 NEAR 6000 FEET.  
24 HR TREND......1 DEGREE COOLER.  
MAX HUMIDITY........62-72% NEAR 4000 FEET.  
71-81% NEAR 6000 FEET.  
24 HR TREND......15% WETTER.  
20-FOOT WINDS.......DOWNSLOPE/DOWNVALLEY 5-10 MPH.  
12K FT MSL WINDS....WEST 20-25 MPH.  
   
SUNDAY
 
 
SKY/WEATHER.........PARTLY CLOUDY (45-55% CLOUD COVER) UNTIL 1200,  
THEN PARTLY SUNNY (55-65% CLOUD COVER).  
CHANCE LIGHTNING....0%.  
CWR.................0%.  
MAX TEMPERATURE.....57-66 NEAR 4000 FEET.  
52-62 NEAR 6000 FEET.  
24 HR TREND......UNCHANGED.  
MIN HUMIDITY........33-43%.  
24 HR TREND......7% WETTER.  
20-FOOT WINDS.......UPSLOPE/UPVALLEY 5-10 MPH.  
12K FT MSL WINDS....WEST AROUND 35 MPH BECOMING AROUND 45 MPH IN  
THE AFTERNOON.  
MIXING HEIGHT.......3600 FT AGL.  
CLIMATOLOGY......20-30TH PERCENTILE.  
CLEARING INDEX......490.  
   
SUNDAY NIGHT
 
 
SKY/WEATHER.........MOSTLY CLOUDY (65-75% CLOUD COVER).  
CHANCE LIGHTNING....0%.  
CWR.................0%.  
MIN TEMPERATURE.....32-42.  
24 HR TREND......UNCHANGED.  
MAX HUMIDITY........59-69% NEAR 4000 FEET.  
65-75% NEAR 6000 FEET.  
24 HR TREND......2% WETTER NEAR 4000 FEET.  
6% DRIER NEAR 6000 FEET.  
20-FOOT WINDS.......DOWNSLOPE/DOWNVALLEY 5-10 MPH.  
12K FT MSL WINDS....WEST AROUND 45 MPH.  
   
MONDAY
 
 
SKY/WEATHER.........PARTLY SUNNY (60-70% CLOUD COVER).  
CHANCE LIGHTNING....0%.  
CWR.................0%.  
MAX TEMPERATURE.....59-68 NEAR 4000 FEET.  
52-62 NEAR 6000 FEET.  
24 HR TREND......1 DEGREE WARMER.  
MIN HUMIDITY........28-38%.  
24 HR TREND......5% DRIER.  
20-FOOT WINDS.......UPSLOPE/UPVALLEY 5-10 MPH.  
12K FT MSL WINDS....SOUTHWEST 40-45 MPH.  
MIXING HEIGHT.......2800 FT AGL.  
CLIMATOLOGY......20-30TH PERCENTILE.  
CLEARING INDEX......240.  
   
FORECAST DAYS 3 THROUGH 7
 
   
TUESDAY
 
MOSTLY CLOUDY. LOWS IN THE UPPER 30S. HIGHS IN THE  
UPPER 50S IN THE VALLEYS AND IN THE MID 50S IN THE MOUNTAINS.  
WINDS GENERALLY LESS THAN 15 MPH.    
WEDNESDAY
 
MOSTLY CLOUDY. AREAS OF RAIN. LOWS AROUND 40 IN THE  
VALLEYS AND IN THE MID 30S IN THE MOUNTAINS. HIGHS AROUND 60 IN  
THE VALLEYS AND IN THE LOWER 50S IN THE MOUNTAINS. WINDS  
GENERALLY LESS THAN 15 MPH.    
THURSDAY
 
RAIN SHOWERS AND ISOLATED THUNDERSTORMS. LOWS IN THE  
MID 40S IN THE VALLEYS AND AROUND 40 IN THE MOUNTAINS. HIGHS IN  
THE LOWER 60S IN THE VALLEYS AND IN THE LOWER 50S IN THE  
MOUNTAINS. SOUTH WINDS AROUND 15 MPH.    
FRIDAY
 
WIDESPREAD RAIN. LOWS IN THE MID 40S IN THE VALLEYS AND  
IN THE UPPER 30S IN THE MOUNTAINS. HIGHS IN THE UPPER 50S IN THE  
VALLEYS AND AROUND 50 IN THE MOUNTAINS.    
SATURDAY
 
MOSTLY CLOUDY. AREAS OF RAIN AND SNOW. LOWS AROUND  
40 IN THE VALLEYS AND IN THE LOWER 30S IN THE MOUNTAINS. HIGHS IN  
THE MID 50S IN THE VALLEYS AND IN THE UPPER 40S IN THE MOUNTAINS.  
=  
 

 
 
.8-14 DAY OUTLOOK FOR SUNDAY DECEMBER 28 TO SATURDAY JANUARY 03  
TEMPERATURE... ABOVE NORMAL  
PRECIPITATION... ABOVE NORMAL  
=  
 

 
 
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