347
FNUS55 KSLC 172108
FWFSLC
FIRE WEATHER PLANNING FORECAST FOR UTAH
NATIONAL WEATHER SERVICE SALT LAKE CITY UT
208 PM MST WED DEC 17 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.
UTZ478-181300-
SALT LAKE DESERT-
208 PM MST WED DEC 17 2025
TONIGHT
SKY/WEATHER.........MOSTLY CLOUDY (65-75% CLOUD COVER).
CHANCE LIGHTNING....0%.
CWR.................0%.
MIN TEMPERATURE.....20-30.
24 HR TREND......8 DEGREES COOLER.
MAX HUMIDITY........66-76% NEAR 5000 FEET.
58-68% NEAR 8000 FEET.
24 HR TREND......4% WETTER NEAR 5000 FEET.
5% DRIER NEAR 8000 FEET.
20-FOOT WINDS.......NORTHWEST AROUND 15 MPH WITH GUSTS TO AROUND 35
MPH IN THE EVENING BECOMING
DOWNSLOPE/DOWNVALLEY 5-10 MPH.
12K FT MSL WINDS....WEST AROUND 60 MPH BECOMING NORTHWEST AROUND 50
MPH AFTER MIDNIGHT.
THURSDAY
SKY/WEATHER.........NORTH OF I-80, MOSTLY CLOUDY (80-90% CLOUD
COVER), AREAS OF SNOW. SOUTH OF I-80, PARTLY
SUNNY (60-70% CLOUD COVER), AREAS OF RAIN AFTER
1200.
CHANCE LIGHTNING....0%.
CWR.................20% NORTH OF I-80 AND 0% SOUTH OF I-80.
MAX TEMPERATURE.....40-50 NEAR 5000 FEET.
33-40 NEAR 8000 FEET.
24 HR TREND......12 DEGREES COOLER NEAR 5000 FEET.
7 DEGREES COOLER NEAR 8000 FEET.
MIN HUMIDITY........46-56% NEAR 5000 FEET.
52-62% NEAR 8000 FEET.
24 HR TREND......1% DRIER.
20-FOOT WINDS.......UPSLOPE/UPVALLEY 5-10 MPH.
12K FT MSL WINDS....WEST AROUND 45 MPH BECOMING AROUND 60 MPH IN
THE AFTERNOON.
MIXING HEIGHT.......2100 FT AGL.
CLIMATOLOGY......10-20TH PERCENTILE.
CLEARING INDEX......180.
THURSDAY NIGHT
SKY/WEATHER.........MOSTLY CLOUDY (80-90% CLOUD COVER).
CHANCE LIGHTNING....0%.
CWR.................10% NORTH OF I-80 AND 0% SOUTH OF I-80.
MIN TEMPERATURE.....31-41.
24 HR TREND......9 DEGREES WARMER.
MAX HUMIDITY........57-67% NEAR 5000 FEET.
53-63% NEAR 8000 FEET.
24 HR TREND......4% DRIER.
20-FOOT WINDS.......DOWNSLOPE/DOWNVALLEY 5-10 MPH BECOMING SOUTH
AROUND 15 MPH AFTER MIDNIGHT.
12K FT MSL WINDS....WEST 50-55 MPH.
FRIDAY
SKY/WEATHER.........CLOUDY (85-95% CLOUD COVER). NORTH OF I-80,
AREAS OF RAIN UNTIL 1200, THEN WIDESPREAD RAIN.
SOUTH OF I-80, AREAS OF RAIN AFTER 1200.
CHANCE LIGHTNING....0%.
CWR.................20% NORTH OF I-80 AND 0% SOUTH OF I-80.
MAX TEMPERATURE.....50-60 NEAR 5000 FEET.
37-46 NEAR 8000 FEET.
24 HR TREND......10 DEGREES WARMER.
MIN HUMIDITY........39-49%.
24 HR TREND......6% DRIER.
20-FOOT WINDS.......SOUTH AROUND 15 MPH WITH GUSTS TO AROUND 30
MPH.
12K FT MSL WINDS....WEST 50-55 MPH.
MIXING HEIGHT.......2700 FT AGL.
CLIMATOLOGY......10-20TH PERCENTILE.
CLEARING INDEX......240.
FORECAST DAYS 3 THROUGH 7
SATURDAY
MOSTLY CLOUDY. AREAS OF RAIN AND SNOW. LOWS IN THE
MID 30S. HIGHS IN THE UPPER 40S IN THE VALLEYS AND IN THE UPPER
30S IN THE MOUNTAINS. WEST WINDS AROUND 20 MPH.
SUNDAY
MOSTLY CLOUDY. AREAS OF RAIN. LOWS IN THE MID 30S.
HIGHS AROUND 50 IN THE VALLEYS AND IN THE UPPER 30S IN THE
MOUNTAINS. WINDS GENERALLY LESS THAN 15 MPH.
MONDAY
MOSTLY CLOUDY. AREAS OF RAIN. LOWS AROUND 40. HIGHS IN
THE LOWER 50S IN THE VALLEYS AND IN THE LOWER 40S IN THE
MOUNTAINS. SOUTH WINDS AROUND 15 MPH.
TUESDAY
MOSTLY CLOUDY. LOCAL RAIN. LOWS IN THE UPPER 30S.
HIGHS IN THE LOWER 50S IN THE VALLEYS AND IN THE LOWER 40S IN THE
MOUNTAINS.
WEDNESDAY
MOSTLY CLOUDY. AREAS OF RAIN. LOWS IN THE UPPER 30S.
HIGHS IN THE LOWER 50S IN THE VALLEYS AND AROUND 40 IN THE
MOUNTAINS.
=
UTZ479-181300-
WASATCH MOUNTAINS-
208 PM MST WED DEC 17 2025
TONIGHT
SKY/WEATHER.........MOSTLY CLOUDY (70-80% CLOUD COVER). SOUTH OF
I-80, LOCAL SNOW UNTIL 2400.
CHANCE LIGHTNING....0%.
CWR.................10%.
MIN TEMPERATURE.....18-28.
24 HR TREND......11 DEGREES COOLER.
MAX HUMIDITY........63-73% NEAR 5000 FEET.
59-69% NEAR 8000 FEET.
24 HR TREND......15% DRIER.
20-FOOT WINDS.......WEST AROUND 25 MPH WITH GUSTS TO AROUND 45 MPH
BECOMING AROUND 15 MPH AFTER MIDNIGHT.
12K FT MSL WINDS....WEST AROUND 65 MPH BECOMING NORTHWEST AROUND 55
MPH AFTER MIDNIGHT.
THURSDAY
SKY/WEATHER.........MOSTLY CLOUDY (80-90% CLOUD COVER). NORTH OF
I-80, AREAS OF SNOW. SOUTH OF I-80, AREAS OF
SNOW AFTER 1200.
CHANCE LIGHTNING....0%.
CWR.................30% NORTH OF I-80 AND 10% SOUTH OF I-80.
MAX TEMPERATURE.....39-47 NEAR 5000 FEET.
32-42 NEAR 8000 FEET.
24 HR TREND......6 DEGREES COOLER.
MIN HUMIDITY........46-56%.
24 HR TREND......11% DRIER.
20-FOOT WINDS.......UPSLOPE/UPVALLEY 5-10 MPH. GUSTS UP TO 25 MPH
IN THE AFTERNOON.
12K FT MSL WINDS....WEST 45-50 MPH.
MIXING HEIGHT.......2800 FT AGL.
CLIMATOLOGY......20-30TH PERCENTILE.
CLEARING INDEX......340.
THURSDAY NIGHT
SKY/WEATHER.........MOSTLY CLOUDY (75-85% CLOUD COVER). NORTH OF
I-80, AREAS OF SNOW UNTIL 2400. AREAS OF RAIN.
CHANCE LIGHTNING....0%.
CWR.................20% NORTH OF I-80 AND 0% SOUTH OF I-80.
MIN TEMPERATURE.....28-38.
24 HR TREND......10 DEGREES WARMER.
MAX HUMIDITY........70-80% NEAR 5000 FEET.
60-70% NEAR 8000 FEET.
24 HR TREND......UNCHANGED.
20-FOOT WINDS.......SOUTHWEST AROUND 15 MPH WITH GUSTS TO AROUND 35
MPH.
12K FT MSL WINDS....WEST 50-55 MPH.
FRIDAY
SKY/WEATHER.........CLOUDY (90-100% CLOUD COVER). NORTH OF I-80,
AREAS OF RAIN AND SNOW UNTIL 1200, THEN SNOW
WITH WIDESPREAD RAIN. SOUTH OF I-80, AREAS OF
RAIN AND SNOW.
CHANCE LIGHTNING....0%.
CWR.................50% NORTH OF I-80 AND 10% SOUTH OF I-80.
MAX TEMPERATURE.....45-55 NEAR 5000 FEET.
37-47 NEAR 8000 FEET.
24 HR TREND......7 DEGREES WARMER.
MIN HUMIDITY........48-58%.
24 HR TREND......2% WETTER.
20-FOOT WINDS.......SOUTHWEST AROUND 15 MPH WITH GUSTS TO AROUND 35
MPH.
12K FT MSL WINDS....WEST AROUND 55 MPH.
MIXING HEIGHT.......2700 FT AGL.
CLIMATOLOGY......20-30TH PERCENTILE.
CLEARING INDEX......380.
FORECAST DAYS 3 THROUGH 7
SATURDAY
SNOW AND RAIN. LOWS IN THE LOWER 30S. HIGHS IN THE
MID 40S IN THE VALLEYS AND IN THE UPPER 30S IN THE MOUNTAINS.
WEST WINDS AROUND 20 MPH.
SUNDAY
WIDESPREAD RAIN AND AREAS OF SNOW. LOWS IN THE LOWER
30S IN THE VALLEYS AND IN THE UPPER 20S 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.
MONDAY
MOSTLY CLOUDY. AREAS OF RAIN AND SNOW. LOWS IN THE
UPPER 30S IN THE VALLEYS AND IN THE MID 30S IN THE MOUNTAINS.
HIGHS AROUND 50 IN THE VALLEYS AND IN THE LOWER 40S IN THE
MOUNTAINS. SOUTH WINDS AROUND 15 MPH.
TUESDAY
MOSTLY CLOUDY. AREAS OF SNOW AND LOCAL RAIN. LOWS IN
THE LOWER 30S. HIGHS IN THE LOWER 50S IN THE VALLEYS AND IN THE
LOWER 40S IN THE MOUNTAINS.
WEDNESDAY
MOSTLY CLOUDY. AREAS OF RAIN AND SNOW. 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 AROUND 40 IN THE
MOUNTAINS.
=
UTZ480-181300-
UINTA MOUNTAINS-
208 PM MST WED DEC 17 2025
TONIGHT
SKY/WEATHER.........MOSTLY CLOUDY (65-75% CLOUD COVER). AREAS OF
SNOW UNTIL 2400.
CHANCE LIGHTNING....0%.
CWR.................10%.
MIN TEMPERATURE.....21-27 NEAR 7000 FEET.
10-20 NEAR 9000 FEET.
24 HR TREND......14 DEGREES COOLER.
MAX HUMIDITY........56-66%.
24 HR TREND......23% DRIER NEAR 7000 FEET.
18% DRIER NEAR 9000 FEET.
20-FOOT WINDS.......WEST AROUND 30 MPH WITH GUSTS TO AROUND 60 MPH
BECOMING AROUND 15 MPH WITH GUSTS TO AROUND 40
MPH AFTER MIDNIGHT.
12K FT MSL WINDS....WEST 55-60 MPH.
THURSDAY
SKY/WEATHER.........PARTLY CLOUDY (45-55% CLOUD COVER) UNTIL 1200,
THEN CLOUDY (85-95% CLOUD COVER). AREAS OF SNOW
AFTER 1200.
CHANCE LIGHTNING....0%.
CWR.................10%.
MAX TEMPERATURE.....38-44 NEAR 7000 FEET.
31-39 NEAR 9000 FEET.
24 HR TREND......6 DEGREES COOLER.
MIN HUMIDITY........41-47% NEAR 7000 FEET.
34-44% NEAR 9000 FEET.
24 HR TREND......12% DRIER NEAR 7000 FEET.
21% DRIER NEAR 9000 FEET.
20-FOOT WINDS.......SOUTHWEST AROUND 15 MPH WITH GUSTS TO AROUND 35
MPH.
12K FT MSL WINDS....WEST 40-45 MPH.
MIXING HEIGHT.......2800 FT AGL.
CLIMATOLOGY......20-30TH PERCENTILE.
CLEARING INDEX......450.
THURSDAY NIGHT
SKY/WEATHER.........MOSTLY CLOUDY (80-90% CLOUD COVER) UNTIL 2400,
THEN PARTLY CLOUDY (35-45% CLOUD COVER). LOCAL
SNOW UNTIL 2400.
CHANCE LIGHTNING....0%.
CWR.................10%.
MIN TEMPERATURE.....31-37 NEAR 7000 FEET.
26-33 NEAR 9000 FEET.
24 HR TREND......14 DEGREES WARMER.
MAX HUMIDITY........61-71%.
24 HR TREND......2% WETTER.
20-FOOT WINDS.......SOUTHWEST 20-25 MPH WITH GUSTS TO AROUND 50
MPH.
12K FT MSL WINDS....WEST 50-55 MPH.
FRIDAY
SKY/WEATHER.........MOSTLY CLOUDY (75-85% CLOUD COVER). LOCAL RAIN
AND SNOW UNTIL 1200, THEN WIDESPREAD SNOW.
CHANCE LIGHTNING....0%.
CWR.................20%.
MAX TEMPERATURE.....45-51 NEAR 7000 FEET.
37-46 NEAR 9000 FEET.
24 HR TREND......7 DEGREES WARMER.
MIN HUMIDITY........42-52%.
24 HR TREND......5% WETTER.
20-FOOT WINDS.......SOUTHWEST 20-25 MPH WITH GUSTS TO AROUND 50
MPH.
12K FT MSL WINDS....WEST AROUND 55 MPH.
MIXING HEIGHT.......3900 FT AGL.
CLIMATOLOGY......30-40TH PERCENTILE.
CLEARING INDEX......960.
FORECAST DAYS 3 THROUGH 7
SATURDAY
BREEZY, 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. WEST WINDS AROUND
25 MPH.
SUNDAY
AREAS OF SNOW AND WIDESPREAD RAIN. 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 UPPER 30S IN THE MOUNTAINS.
SOUTHWEST WINDS AROUND 15 MPH.
MONDAY
MOSTLY CLOUDY. AREAS OF 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 AROUND 40 IN THE
MOUNTAINS. SOUTHWEST WINDS AROUND 20 MPH.
TUESDAY
MOSTLY CLOUDY. LOCAL SNOW. 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 LOWER 40S IN THE MOUNTAINS.
WEDNESDAY
MOSTLY CLOUDY. AREAS OF SNOW. LOWS IN THE UPPER 30S
IN THE VALLEYS AND AROUND 30 IN THE MOUNTAINS. HIGHS IN THE MID
40S IN THE VALLEYS AND IN THE UPPER 30S IN THE MOUNTAINS.
=
UTZ481-181300-
WESTERN ASHLEY NATIONAL FOREST-
208 PM MST WED DEC 17 2025
TONIGHT
SKY/WEATHER.........MOSTLY CLOUDY (75-85% CLOUD COVER) UNTIL 2400,
THEN PARTLY CLOUDY (25-35% CLOUD COVER). AREAS
OF SNOW UNTIL 2400.
CHANCE LIGHTNING....0%.
CWR.................10%.
MIN TEMPERATURE.....19-25 NEAR 7000 FEET.
11-19 NEAR 10000 FEET.
24 HR TREND......11 DEGREES COOLER.
MAX HUMIDITY........52-62%.
24 HR TREND......32% DRIER.
20-FOOT WINDS.......NORTHWEST AROUND 30 MPH WITH GUSTS TO AROUND 70
MPH.
12K FT MSL WINDS....NORTHWEST AROUND 60 MPH.
THURSDAY
SKY/WEATHER.........SUNNY (20-30% CLOUD COVER) UNTIL 1200, THEN
MOSTLY CLOUDY (75-85% CLOUD COVER). AREAS OF
SNOW AFTER 1200.
CHANCE LIGHTNING....0%.
CWR.................10%.
MAX TEMPERATURE.....37-47 NEAR 7000 FEET.
27-36 NEAR 10000 FEET.
24 HR TREND......5 DEGREES COOLER.
MIN HUMIDITY........37-47%.
24 HR TREND......8% DRIER.
20-FOOT WINDS.......WEST 15-20 MPH WITH GUSTS TO AROUND 40 MPH.
12K FT MSL WINDS....NORTHWEST AROUND 45 MPH BECOMING WEST AROUND 30
MPH IN THE AFTERNOON.
MIXING HEIGHT.......2500 FT AGL.
CLIMATOLOGY......20-30TH PERCENTILE.
CLEARING INDEX......410.
THURSDAY NIGHT
SKY/WEATHER.........MOSTLY CLOUDY (75-85% CLOUD COVER) UNTIL 2400,
THEN PARTLY CLOUDY (30-40% CLOUD COVER).
CHANCE LIGHTNING....0%.
CWR.................0%.
MIN TEMPERATURE.....29-35 NEAR 7000 FEET.
22-29 NEAR 10000 FEET.
24 HR TREND......12 DEGREES WARMER.
MAX HUMIDITY........55-65% NEAR 7000 FEET.
60-70% NEAR 10000 FEET.
24 HR TREND......16% WETTER.
20-FOOT WINDS.......WEST 20-25 MPH WITH GUSTS TO AROUND 50 MPH.
12K FT MSL WINDS....WEST AROUND 45 MPH.
FRIDAY
SKY/WEATHER.........PARTLY CLOUDY (35-45% CLOUD COVER) UNTIL 1200,
THEN PARTLY SUNNY (65-75% CLOUD COVER). AREAS
OF SNOW.
CHANCE LIGHTNING....0%.
CWR.................10%.
MAX TEMPERATURE.....45-55 NEAR 7000 FEET.
34-44 NEAR 10000 FEET.
24 HR TREND......7 DEGREES WARMER.
MIN HUMIDITY........44-54%.
24 HR TREND......6% WETTER.
20-FOOT WINDS.......WEST AROUND 25 MPH WITH GUSTS TO AROUND 55 MPH.
12K FT MSL WINDS....WEST AROUND 50 MPH.
MIXING HEIGHT.......3200 FT AGL.
CLIMATOLOGY......30-40TH PERCENTILE.
CLEARING INDEX......980.
FORECAST DAYS 3 THROUGH 7
SATURDAY
BREEZY. WIDESPREAD 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 LOWER 30S IN THE MOUNTAINS. WEST WINDS
AROUND 25 MPH.
SUNDAY
MOSTLY CLOUDY. AREAS OF SNOW. LOWS IN THE UPPER 20S IN
THE VALLEYS AND IN THE LOWER 20S IN THE MOUNTAINS. HIGHS IN THE
MID 40S IN THE VALLEYS AND IN THE MID 30S IN THE MOUNTAINS. WEST
WINDS AROUND 15 MPH.
MONDAY
MOSTLY CLOUDY. LOCAL SNOW. 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 30S IN THE MOUNTAINS. SOUTHWEST
WINDS AROUND 15 MPH.
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 MID 30S IN THE MOUNTAINS.
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 LOWER 30S IN THE MOUNTAINS.
=
UTZ482-181300-
WESTERN UINTAH BASIN-
208 PM MST WED DEC 17 2025
TONIGHT
SKY/WEATHER.........MOSTLY CLOUDY (50-60% CLOUD COVER) UNTIL 2400,
THEN MOSTLY CLEAR (10-20% CLOUD COVER).
CHANCE LIGHTNING....0%.
CWR.................0%.
MIN TEMPERATURE.....18-28.
24 HR TREND......3 DEGREES COOLER NEAR 6000 FEET.
9 DEGREES COOLER NEAR 8000 FEET.
MAX HUMIDITY........44-51% NEAR 6000 FEET.
45-55% NEAR 8000 FEET.
24 HR TREND......28% DRIER NEAR 6000 FEET.
18% DRIER NEAR 8000 FEET.
20-FOOT WINDS.......WEST AROUND 25 MPH WITH GUSTS TO AROUND 55 MPH.
12K FT MSL WINDS....NORTHWEST AROUND 65 MPH.
THURSDAY
SKY/WEATHER.........SUNNY (15-25% CLOUD COVER) UNTIL 1200, THEN
PARTLY CLOUDY (40-50% CLOUD COVER).
CHANCE LIGHTNING....0%.
CWR.................0%.
MAX TEMPERATURE.....41-47 NEAR 6000 FEET.
35-41 NEAR 8000 FEET.
24 HR TREND......8 DEGREES COOLER.
MIN HUMIDITY........29-38% NEAR 6000 FEET.
35-45% NEAR 8000 FEET.
24 HR TREND......11% DRIER.
20-FOOT WINDS.......UPSLOPE/UPVALLEY 5-10 MPH. GUSTS UP TO 25 MPH.
12K FT MSL WINDS....NORTHWEST AROUND 55 MPH BECOMING WEST AROUND 40
MPH IN THE AFTERNOON.
MIXING HEIGHT.......3100 FT AGL.
CLIMATOLOGY......20-30TH PERCENTILE.
CLEARING INDEX......450.
THURSDAY NIGHT
SKY/WEATHER.........PARTLY CLOUDY (25-35% CLOUD COVER).
CHANCE LIGHTNING....0%.
CWR.................0%.
MIN TEMPERATURE.....26-36.
24 HR TREND......7 DEGREES WARMER.
MAX HUMIDITY........62-72% NEAR 6000 FEET.
54-64% NEAR 8000 FEET.
24 HR TREND......19% WETTER NEAR 6000 FEET.
8% WETTER NEAR 8000 FEET.
20-FOOT WINDS.......DOWNSLOPE/DOWNVALLEY 5-10 MPH BECOMING WEST
AROUND 15 MPH AFTER MIDNIGHT.
12K FT MSL WINDS....WEST 50-55 MPH.
FRIDAY
SKY/WEATHER.........PARTLY CLOUDY (30-40% CLOUD COVER) UNTIL 1200,
THEN PARTLY SUNNY (50-60% CLOUD COVER). AREAS
OF RAIN AND SNOW AFTER 1200.
CHANCE LIGHTNING....0%.
CWR.................0%.
MAX TEMPERATURE.....51-57 NEAR 6000 FEET.
44-50 NEAR 8000 FEET.
24 HR TREND......10 DEGREES WARMER.
MIN HUMIDITY........31-38% NEAR 6000 FEET.
36-46% NEAR 8000 FEET.
24 HR TREND......2% WETTER.
20-FOOT WINDS.......WEST AROUND 15 MPH. GUSTS UP TO 35 MPH IN THE
AFTERNOON.
12K FT MSL WINDS....WEST AROUND 60 MPH.
MIXING HEIGHT.......3000 FT AGL.
CLIMATOLOGY......20-30TH PERCENTILE.
CLEARING INDEX......530.
FORECAST DAYS 3 THROUGH 7
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. WEST WINDS AROUND 15 MPH.
SUNDAY
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.
MONDAY
MOSTLY CLOUDY. LOWS IN THE LOWER 30S. HIGHS IN THE
LOWER 50S IN THE VALLEYS AND IN THE MID 40S IN THE MOUNTAINS.
WINDS GENERALLY LESS THAN 15 MPH.
TUESDAY
MOSTLY CLOUDY. LOWS IN THE LOWER 30S. HIGHS IN THE
UPPER 40S IN THE VALLEYS AND IN THE LOWER 40S IN THE MOUNTAINS.
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.
=
UTZ483-181300-
SOUTHERN ASHLEY NATIONAL FOREST-
208 PM MST WED DEC 17 2025
TONIGHT
SKY/WEATHER.........MOSTLY CLOUDY (65-75% CLOUD COVER) UNTIL 2400,
THEN MOSTLY CLEAR (10-20% CLOUD COVER).
CHANCE LIGHTNING....0%.
CWR.................10%.
MIN TEMPERATURE.....25-31 NEAR 7000 FEET.
21-27 NEAR 9000 FEET.
24 HR TREND......8 DEGREES COOLER.
MAX HUMIDITY........48-58% NEAR 7000 FEET.
54-64% NEAR 9000 FEET.
24 HR TREND......6% DRIER.
20-FOOT WINDS.......WEST AROUND 30 MPH WITH GUSTS TO AROUND 55 MPH.
12K FT MSL WINDS....NORTHWEST AROUND 65 MPH.
THURSDAY
SKY/WEATHER.........SUNNY (15-25% CLOUD COVER) UNTIL 1200, THEN
PARTLY CLOUDY (30-40% CLOUD COVER).
CHANCE LIGHTNING....0%.
CWR.................0%.
MAX TEMPERATURE.....41-47 NEAR 7000 FEET.
32-38 NEAR 9000 FEET.
24 HR TREND......6 DEGREES COOLER.
MIN HUMIDITY........32-42% NEAR 7000 FEET.
40-50% NEAR 9000 FEET.
24 HR TREND......14% DRIER.
20-FOOT WINDS.......WEST AROUND 15 MPH IN THE MORNING BECOMING
UPSLOPE/UPVALLEY 5-10 MPH. GUSTS UP TO 30 MPH.
12K FT MSL WINDS....NORTHWEST AROUND 60 MPH BECOMING WEST AROUND 45
MPH IN THE AFTERNOON.
MIXING HEIGHT.......3100 FT AGL.
CLIMATOLOGY......20-30TH PERCENTILE.
CLEARING INDEX......500.
THURSDAY NIGHT
SKY/WEATHER.........PARTLY CLOUDY (25-35% CLOUD COVER).
CHANCE LIGHTNING....0%.
CWR.................0%.
MIN TEMPERATURE.....32-38 NEAR 7000 FEET.
28-34 NEAR 9000 FEET.
24 HR TREND......8 DEGREES WARMER.
MAX HUMIDITY........50-60% NEAR 7000 FEET.
54-64% NEAR 9000 FEET.
24 HR TREND......4% WETTER NEAR 7000 FEET.
2% DRIER NEAR 9000 FEET.
20-FOOT WINDS.......SOUTHWEST AROUND 15 MPH WITH GUSTS TO AROUND 30
MPH.
12K FT MSL WINDS....WEST 50-55 MPH.
FRIDAY
SKY/WEATHER.........PARTLY CLOUDY (35-45% CLOUD COVER) UNTIL 1200,
THEN PARTLY SUNNY (45-55% CLOUD COVER). AREAS
OF RAIN AND SNOW AFTER 1200.
CHANCE LIGHTNING....0%.
CWR.................0%.
MAX TEMPERATURE.....50-56 NEAR 7000 FEET.
39-45 NEAR 9000 FEET.
24 HR TREND......8 DEGREES WARMER.
MIN HUMIDITY........31-39% NEAR 7000 FEET.
38-48% NEAR 9000 FEET.
24 HR TREND......2% DRIER.
20-FOOT WINDS.......SOUTHWEST AROUND 15 MPH WITH GUSTS TO AROUND 35
MPH.
12K FT MSL WINDS....WEST 55-60 MPH.
MIXING HEIGHT.......2600 FT AGL.
CLIMATOLOGY......20-30TH PERCENTILE.
CLEARING INDEX......460.
FORECAST DAYS 3 THROUGH 7
SATURDAY
MOSTLY CLOUDY. AREAS OF SNOW AND RAIN. 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 UPPER 30S IN THE
MOUNTAINS. WEST WINDS AROUND 20 MPH.
SUNDAY
MOSTLY CLOUDY. AREAS OF RAIN AND SNOW. 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.
MONDAY
MOSTLY CLOUDY. LOWS IN THE MID 30S IN THE VALLEYS AND
IN THE LOWER 30S IN THE MOUNTAINS. HIGHS AROUND 50 IN THE VALLEYS
AND IN THE UPPER 30S IN THE MOUNTAINS. WINDS GENERALLY LESS THAN
15 MPH.
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.
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 MID 40S IN THE VALLEYS AND IN THE MID 30S IN THE MOUNTAINS.
=
UTZ484-181300-
TAVAPUTS PLATEAU-
208 PM MST WED DEC 17 2025
TONIGHT
SKY/WEATHER.........PARTLY CLOUDY (25-35% CLOUD COVER).
CHANCE LIGHTNING....0%.
CWR.................0%.
MIN TEMPERATURE.....20-30.
24 HR TREND......5 DEGREES COOLER.
MAX HUMIDITY........45-51% NEAR 6000 FEET.
54-64% NEAR 8000 FEET.
24 HR TREND......12% DRIER NEAR 6000 FEET.
2% DRIER NEAR 8000 FEET.
20-FOOT WINDS.......WEST 25-30 MPH. GUSTS UP TO 55 MPH DECREASING
TO 45 MPH AFTER MIDNIGHT.
12K FT MSL WINDS....NORTHWEST AROUND 65 MPH.
THURSDAY
SKY/WEATHER.........SUNNY (20-30% CLOUD COVER) UNTIL 1200, THEN
PARTLY CLOUDY (25-35% CLOUD COVER).
CHANCE LIGHTNING....0%.
CWR.................0%.
MAX TEMPERATURE.....45-51 NEAR 6000 FEET.
35-41 NEAR 8000 FEET.
24 HR TREND......10 DEGREES COOLER NEAR 6000 FEET.
5 DEGREES COOLER NEAR 8000 FEET.
MIN HUMIDITY........28-35% NEAR 6000 FEET.
38-48% NEAR 8000 FEET.
24 HR TREND......11% DRIER.
20-FOOT WINDS.......UPSLOPE/UPVALLEY 5-10 MPH.
12K FT MSL WINDS....NORTHWEST AROUND 55 MPH BECOMING WEST AROUND 40
MPH IN THE AFTERNOON.
MIXING HEIGHT.......3100 FT AGL.
CLIMATOLOGY......20-30TH PERCENTILE.
CLEARING INDEX......320.
THURSDAY NIGHT
SKY/WEATHER.........PARTLY CLOUDY (30-40% CLOUD COVER).
CHANCE LIGHTNING....0%.
CWR.................0%.
MIN TEMPERATURE.....25-35.
24 HR TREND......5 DEGREES WARMER.
MAX HUMIDITY........57-65% NEAR 6000 FEET.
60-70% NEAR 8000 FEET.
24 HR TREND......15% WETTER NEAR 6000 FEET.
7% WETTER NEAR 8000 FEET.
20-FOOT WINDS.......DOWNSLOPE/DOWNVALLEY 5-10 MPH.
12K FT MSL WINDS....WEST AROUND 50 MPH.
FRIDAY
SKY/WEATHER.........PARTLY CLOUDY (35-45% CLOUD COVER).
CHANCE LIGHTNING....0%.
CWR.................0%.
MAX TEMPERATURE.....48-57 NEAR 6000 FEET.
40-47 NEAR 8000 FEET.
24 HR TREND......7 DEGREES WARMER.
MIN HUMIDITY........30-40% NEAR 6000 FEET.
39-49% NEAR 8000 FEET.
24 HR TREND......3% WETTER.
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....WEST 55-60 MPH.
MIXING HEIGHT.......2500 FT AGL.
CLIMATOLOGY......20-30TH PERCENTILE.
CLEARING INDEX......320.
FORECAST DAYS 3 THROUGH 7
SATURDAY
PARTLY CLOUDY. AREAS OF RAIN AND SNOW. 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. WEST WINDS AROUND 15 MPH.
SUNDAY
MOSTLY CLOUDY. LOWS IN THE LOWER 30S. HIGHS IN THE
LOWER 50S IN THE VALLEYS AND IN THE LOWER 40S IN THE MOUNTAINS.
WINDS GENERALLY LESS THAN 15 MPH.
MONDAY
MOSTLY CLOUDY. LOWS IN THE LOWER 30S. HIGHS IN THE
LOWER 50S IN THE VALLEYS AND IN THE LOWER 40S IN THE MOUNTAINS.
WINDS GENERALLY LESS THAN 15 MPH.
TUESDAY
MOSTLY CLOUDY. LOWS IN THE LOWER 30S. HIGHS IN THE
LOWER 50S IN THE VALLEYS AND IN THE LOWER 40S IN THE MOUNTAINS.
WEDNESDAY
MOSTLY CLOUDY. LOCAL RAIN. LOWS IN THE MID 30S IN
THE VALLEYS AND IN THE LOWER 30S IN THE MOUNTAINS. HIGHS AROUND
50 IN THE VALLEYS AND AROUND 40 IN THE MOUNTAINS.
=
UTZ488-181300-
MANTI NATIONAL FOREST-
208 PM MST WED DEC 17 2025
TONIGHT
SKY/WEATHER.........MOSTLY CLOUDY (80-90% CLOUD COVER) UNTIL 2400,
THEN PARTLY CLOUDY (40-50% CLOUD COVER). AREAS
OF SNOW UNTIL 2400.
CHANCE LIGHTNING....0%.
CWR.................20%.
MIN TEMPERATURE.....19-29.
24 HR TREND......8 DEGREES COOLER.
MAX HUMIDITY........64-74%.
24 HR TREND......2% WETTER.
20-FOOT WINDS.......WEST AROUND 25 MPH WITH GUSTS TO AROUND 50 MPH
BECOMING AROUND 35 MPH WITH GUSTS TO AROUND 65
MPH AFTER MIDNIGHT.
12K FT MSL WINDS....NORTHWEST AROUND 60 MPH.
THURSDAY
SKY/WEATHER.........PARTLY CLOUDY (30-40% CLOUD COVER) UNTIL 1200,
THEN PARTLY SUNNY (55-65% CLOUD COVER).
CHANCE LIGHTNING....0%.
CWR.................0%.
MAX TEMPERATURE.....42-50 NEAR 6500 FEET.
32-42 NEAR 8500 FEET.
24 HR TREND......6 DEGREES COOLER.
MIN HUMIDITY........36-46% NEAR 6500 FEET.
44-54% NEAR 8500 FEET.
24 HR TREND......15% DRIER.
20-FOOT WINDS.......UPSLOPE/UPVALLEY 5-10 MPH.
12K FT MSL WINDS....NORTHWEST 45-50 MPH.
MIXING HEIGHT.......2300 FT AGL.
CLIMATOLOGY......20-30TH PERCENTILE.
CLEARING INDEX......290.
THURSDAY NIGHT
SKY/WEATHER.........PARTLY CLOUDY (30-40% CLOUD COVER) UNTIL 2400,
THEN MOSTLY CLOUDY (50-60% CLOUD COVER).
CHANCE LIGHTNING....0%.
CWR.................0%.
MIN TEMPERATURE.....28-38.
24 HR TREND......8 DEGREES WARMER.
MAX HUMIDITY........60-70%.
24 HR TREND......4% DRIER NEAR 6500 FEET.
10% DRIER NEAR 8500 FEET.
20-FOOT WINDS.......DOWNSLOPE/DOWNVALLEY 5-10 MPH BECOMING
SOUTHWEST AROUND 15 MPH AFTER MIDNIGHT.
12K FT MSL WINDS....WEST 45-50 MPH.
FRIDAY
SKY/WEATHER.........MOSTLY CLOUDY (70-80% CLOUD COVER). AREAS OF
RAIN AND SNOW AFTER 1200.
CHANCE LIGHTNING....0%.
CWR.................0%.
MAX TEMPERATURE.....48-56 NEAR 6500 FEET.
39-49 NEAR 8500 FEET.
24 HR TREND......7 DEGREES WARMER.
MIN HUMIDITY........31-41% NEAR 6500 FEET.
36-46% NEAR 8500 FEET.
24 HR TREND......5% DRIER.
20-FOOT WINDS.......WEST AROUND 15 MPH WITH GUSTS TO AROUND 30 MPH.
12K FT MSL WINDS....WEST AROUND 50 MPH.
MIXING HEIGHT.......2200 FT AGL.
CLIMATOLOGY......20-30TH PERCENTILE.
CLEARING INDEX......320.
FORECAST DAYS 3 THROUGH 7
SATURDAY
MOSTLY CLOUDY. AREAS OF 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 LOWER 40S IN THE
MOUNTAINS. WEST WINDS AROUND 20 MPH.
SUNDAY
MOSTLY CLOUDY. AREAS OF RAIN AND LOCAL SNOW. 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.
MONDAY
MOSTLY CLOUDY. LOWS IN THE LOWER 30S. HIGHS AROUND
50 IN THE VALLEYS AND IN THE LOWER 40S IN THE MOUNTAINS. WINDS
GENERALLY LESS THAN 15 MPH.
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.
WEDNESDAY
MOSTLY CLOUDY. AREAS OF SNOW. LOWS AROUND 30. HIGHS
IN THE UPPER 40S IN THE VALLEYS AND IN THE UPPER 30S IN THE
MOUNTAINS.
=
UTZ489-181300-
SAN RAFAEL SWELL-
208 PM MST WED DEC 17 2025
TONIGHT
SKY/WEATHER.........PARTLY CLOUDY (35-45% CLOUD COVER).
CHANCE LIGHTNING....0%.
CWR.................0%.
MIN TEMPERATURE.....23-33.
24 HR TREND......1 DEGREE COOLER.
MAX HUMIDITY........56-66% NEAR 5000 FEET.
54-60% NEAR 7000 FEET.
24 HR TREND......1% WETTER.
20-FOOT WINDS.......NORTHWEST 20-25 MPH. GUSTS UP TO 55 MPH
DECREASING TO 35 MPH AFTER MIDNIGHT.
12K FT MSL WINDS....NORTHWEST AROUND 60 MPH.
THURSDAY
SKY/WEATHER.........PARTLY CLOUDY (25-35% CLOUD COVER) UNTIL 1200,
THEN SUNNY (20-30% CLOUD COVER).
CHANCE LIGHTNING....0%.
CWR.................0%.
MAX TEMPERATURE.....46-52 NEAR 5000 FEET.
41-47 NEAR 7000 FEET.
24 HR TREND......5 DEGREES COOLER.
MIN HUMIDITY........29-37% NEAR 5000 FEET.
32-42% NEAR 7000 FEET.
24 HR TREND......5% DRIER.
20-FOOT WINDS.......UPSLOPE/UPVALLEY 5-10 MPH.
12K FT MSL WINDS....NORTHWEST AROUND 45 MPH.
MIXING HEIGHT.......2700 FT AGL.
CLIMATOLOGY......20-30TH PERCENTILE.
CLEARING INDEX......140.
THURSDAY NIGHT
SKY/WEATHER.........PARTLY CLOUDY (30-40% CLOUD COVER).
CHANCE LIGHTNING....0%.
CWR.................0%.
MIN TEMPERATURE.....25-33 NEAR 5000 FEET.
29-35 NEAR 7000 FEET.
24 HR TREND......1 DEGREE WARMER.
MAX HUMIDITY........66-76% NEAR 5000 FEET.
58-67% NEAR 7000 FEET.
24 HR TREND......9% WETTER NEAR 5000 FEET.
4% WETTER NEAR 7000 FEET.
20-FOOT WINDS.......DOWNSLOPE/DOWNVALLEY 5-10 MPH.
12K FT MSL WINDS....WEST AROUND 45 MPH.
FRIDAY
SKY/WEATHER.........PARTLY CLOUDY (35-45% CLOUD COVER).
CHANCE LIGHTNING....0%.
CWR.................0%.
MAX TEMPERATURE.....49-56 NEAR 5000 FEET.
44-51 NEAR 7000 FEET.
24 HR TREND......4 DEGREES WARMER.
MIN HUMIDITY........32-42%.
24 HR TREND......3% WETTER.
20-FOOT WINDS.......UPSLOPE/UPVALLEY 5-10 MPH.
12K FT MSL WINDS....WEST AROUND 50 MPH.
MIXING HEIGHT.......2100 FT AGL.
CLIMATOLOGY......10-20TH PERCENTILE.
CLEARING INDEX......130.
FORECAST DAYS 3 THROUGH 7
SATURDAY
PARTLY CLOUDY. AREAS OF RAIN. LOWS IN THE LOWER 30S.
HIGHS IN THE MID 50S IN THE VALLEYS AND AROUND 50 IN THE
MOUNTAINS. WINDS GENERALLY LESS THAN 15 MPH.
SUNDAY
PARTLY 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.
MONDAY
MOSTLY CLOUDY. LOWS IN THE LOWER 30S. HIGHS IN THE
UPPER 50S IN THE VALLEYS AND IN THE UPPER 40S IN THE MOUNTAINS.
WINDS GENERALLY LESS THAN 15 MPH.
TUESDAY
MOSTLY CLOUDY. LOWS IN THE LOWER 30S. HIGHS IN THE MID
50S IN THE VALLEYS AND IN THE UPPER 40S IN THE MOUNTAINS.
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.
=
UTZ492-181300-
CENTRAL UTAH WEST DESERT-
208 PM MST WED DEC 17 2025
TONIGHT
SKY/WEATHER.........MOSTLY CLOUDY (65-75% CLOUD COVER) UNTIL 2400,
THEN PARTLY CLOUDY (25-35% CLOUD COVER).
CHANCE LIGHTNING....0%.
CWR.................0%.
MIN TEMPERATURE.....21-31.
24 HR TREND......7 DEGREES COOLER.
MAX HUMIDITY........75-85% NEAR 5000 FEET.
65-75% NEAR 8000 FEET.
24 HR TREND......18% WETTER.
20-FOOT WINDS.......NORTH AROUND 15 MPH WITH GUSTS TO AROUND 30 MPH
IN THE EVENING BECOMING DOWNSLOPE/DOWNVALLEY
5-10 MPH.
12K FT MSL WINDS....NORTHWEST AROUND 50 MPH BECOMING AROUND 40 MPH
AFTER MIDNIGHT.
THURSDAY
SKY/WEATHER.........PARTLY CLOUDY (30-40% CLOUD COVER) UNTIL 1200,
THEN PARTLY SUNNY (45-55% CLOUD COVER).
CHANCE LIGHTNING....0%.
CWR.................0%.
MAX TEMPERATURE.....48-58 NEAR 5000 FEET.
38-48 NEAR 8000 FEET.
24 HR TREND......9 DEGREES COOLER.
MIN HUMIDITY........36-46%.
24 HR TREND......1% WETTER NEAR 5000 FEET.
5% DRIER NEAR 8000 FEET.
20-FOOT WINDS.......UPSLOPE/UPVALLEY 5-10 MPH.
12K FT MSL WINDS....NORTHWEST 45-50 MPH.
MIXING HEIGHT.......2700 FT AGL.
CLIMATOLOGY......20-30TH PERCENTILE.
CLEARING INDEX......220.
THURSDAY NIGHT
SKY/WEATHER.........MOSTLY CLOUDY (65-75% CLOUD COVER).
CHANCE LIGHTNING....0%.
CWR.................0%.
MIN TEMPERATURE.....33-43.
24 HR TREND......11 DEGREES WARMER.
MAX HUMIDITY........53-63% NEAR 5000 FEET.
49-59% NEAR 8000 FEET.
24 HR TREND......20% DRIER.
20-FOOT WINDS.......DOWNSLOPE/DOWNVALLEY 5-10 MPH BECOMING SOUTH
AROUND 15 MPH AFTER MIDNIGHT.
12K FT MSL WINDS....WEST AROUND 40 MPH.
FRIDAY
SKY/WEATHER.........MOSTLY CLOUDY (80-90% CLOUD COVER).
CHANCE LIGHTNING....0%.
CWR.................0%.
MAX TEMPERATURE.....56-66 NEAR 5000 FEET.
45-52 NEAR 8000 FEET.
24 HR TREND......8 DEGREES WARMER.
MIN HUMIDITY........25-35% NEAR 5000 FEET.
31-41% NEAR 8000 FEET.
24 HR TREND......10% DRIER.
20-FOOT WINDS.......SOUTH AROUND 15 MPH WITH GUSTS TO AROUND 35
MPH.
12K FT MSL WINDS....WEST 45-50 MPH.
MIXING HEIGHT.......3400 FT AGL.
CLIMATOLOGY......20-30TH PERCENTILE.
CLEARING INDEX......500.
FORECAST DAYS 3 THROUGH 7
SATURDAY
MOSTLY CLOUDY. AREAS OF RAIN. LOWS IN THE UPPER 30S.
HIGHS IN THE UPPER 50S IN THE VALLEYS AND IN THE MID 40S IN THE
MOUNTAINS. SOUTHWEST WINDS AROUND 15 MPH.
SUNDAY
MOSTLY CLOUDY. LOWS IN THE UPPER 30S. HIGHS IN THE
UPPER 50S IN THE VALLEYS AND IN THE MID 40S IN THE MOUNTAINS.
SOUTH WINDS AROUND 15 MPH.
MONDAY
MOSTLY CLOUDY. LOWS IN THE LOWER 40S. HIGHS AROUND
60 IN THE VALLEYS AND IN THE UPPER 40S IN THE MOUNTAINS. SOUTH
WINDS AROUND 15 MPH.
TUESDAY
MOSTLY CLOUDY. LOWS IN THE UPPER 30S. HIGHS IN THE
UPPER 50S IN THE VALLEYS AND IN THE UPPER 40S IN THE MOUNTAINS.
WEDNESDAY
MOSTLY CLOUDY. AREAS OF RAIN. LOWS IN THE UPPER 30S.
HIGHS IN THE MID 50S IN THE VALLEYS AND IN THE MID 40S IN THE
MOUNTAINS.
=
UTZ493-181300-
CENTRAL UTAH MOUNTAINS-
208 PM MST WED DEC 17 2025
TONIGHT
SKY/WEATHER.........MOSTLY CLOUDY (70-80% CLOUD COVER) UNTIL 2400,
THEN PARTLY CLOUDY (30-40% CLOUD COVER).
CHANCE LIGHTNING....0%.
CWR.................10%.
MIN TEMPERATURE.....21-31.
24 HR TREND......7 DEGREES COOLER.
MAX HUMIDITY........87-95% NEAR 5000 FEET.
61-71% NEAR 8000 FEET.
24 HR TREND......20% WETTER NEAR 5000 FEET.
11% WETTER NEAR 8000 FEET.
20-FOOT WINDS.......NORTHWEST 20-25 MPH. GUSTS UP TO 45 MPH
DECREASING TO 35 MPH AFTER MIDNIGHT.
12K FT MSL WINDS....NORTHWEST 45-50 MPH.
THURSDAY
SKY/WEATHER.........PARTLY CLOUDY (30-40% CLOUD COVER).
CHANCE LIGHTNING....0%.
CWR.................0%.
MAX TEMPERATURE.....50-56 NEAR 5000 FEET.
42-50 NEAR 8000 FEET.
24 HR TREND......5 DEGREES COOLER.
MIN HUMIDITY........31-41%.
24 HR TREND......2% DRIER NEAR 5000 FEET.
9% DRIER NEAR 8000 FEET.
20-FOOT WINDS.......UPSLOPE/UPVALLEY 5-10 MPH.
12K FT MSL WINDS....NORTHWEST 40-45 MPH.
MIXING HEIGHT.......3600 FT AGL.
CLIMATOLOGY......20-30TH PERCENTILE.
CLEARING INDEX......410.
THURSDAY NIGHT
SKY/WEATHER.........PARTLY CLOUDY (40-50% CLOUD COVER) UNTIL 2400,
THEN MOSTLY CLOUDY (55-65% CLOUD COVER).
CHANCE LIGHTNING....0%.
CWR.................0%.
MIN TEMPERATURE.....31-41.
24 HR TREND......9 DEGREES WARMER.
MAX HUMIDITY........58-68% NEAR 5000 FEET.
54-64% NEAR 8000 FEET.
24 HR TREND......29% DRIER NEAR 5000 FEET.
13% DRIER NEAR 8000 FEET.
20-FOOT WINDS.......DOWNSLOPE/DOWNVALLEY 5-10 MPH BECOMING
SOUTHWEST AROUND 15 MPH WITH GUSTS TO AROUND 30
MPH AFTER MIDNIGHT.
12K FT MSL WINDS....WEST 40-45 MPH.
FRIDAY
SKY/WEATHER.........MOSTLY CLOUDY (75-85% CLOUD COVER).
CHANCE LIGHTNING....0%.
CWR.................0%.
MAX TEMPERATURE.....59-65 NEAR 5000 FEET.
49-57 NEAR 8000 FEET.
24 HR TREND......6 DEGREES WARMER.
MIN HUMIDITY........25-35%.
24 HR TREND......6% DRIER.
20-FOOT WINDS.......SOUTHWEST AROUND 15 MPH WITH GUSTS TO AROUND 30
MPH.
12K FT MSL WINDS....WEST AROUND 50 MPH.
MIXING HEIGHT.......3700 FT AGL.
CLIMATOLOGY......20-30TH PERCENTILE.
CLEARING INDEX......580.
FORECAST DAYS 3 THROUGH 7
SATURDAY
MOSTLY CLOUDY. AREAS OF RAIN AND SNOW. LOWS IN THE
MID 30S. HIGHS IN THE UPPER 50S IN THE VALLEYS AND IN THE UPPER
40S IN THE MOUNTAINS. WEST WINDS AROUND 20 MPH.
SUNDAY
MOSTLY CLOUDY. LOWS IN THE MID 30S. HIGHS IN THE UPPER
50S IN THE VALLEYS AND AROUND 50 IN THE MOUNTAINS. WINDS
GENERALLY LESS THAN 15 MPH.
MONDAY
MOSTLY CLOUDY. LOWS IN THE MID 30S. HIGHS IN THE LOWER
60S IN THE VALLEYS AND IN THE LOWER 50S IN THE MOUNTAINS.
SOUTHWEST WINDS AROUND 15 MPH.
TUESDAY
MOSTLY CLOUDY. LOWS IN THE MID 30S. HIGHS AROUND 60 IN
THE VALLEYS AND IN THE UPPER 40S IN THE MOUNTAINS.
WEDNESDAY
MOSTLY CLOUDY. AREAS OF RAIN AND SNOW. LOWS IN THE
LOWER 30S. HIGHS IN THE UPPER 50S IN THE VALLEYS AND IN THE MID
40S IN THE MOUNTAINS.
=
UTZ494-181300-
HENRY MOUNTAINS-
208 PM MST WED DEC 17 2025
TONIGHT
SKY/WEATHER.........MOSTLY CLEAR (15-25% CLOUD COVER).
CHANCE LIGHTNING....0%.
CWR.................0%.
MIN TEMPERATURE.....26-36.
24 HR TREND......1 DEGREE COOLER.
MAX HUMIDITY........62-72% NEAR 5000 FEET.
46-56% NEAR 8000 FEET.
24 HR TREND......9% WETTER.
20-FOOT WINDS.......NORTHWEST AROUND 20 MPH WITH GUSTS TO AROUND 40
MPH IN THE EVENING BECOMING
DOWNSLOPE/DOWNVALLEY 5-10 MPH.
12K FT MSL WINDS....NORTHWEST 45-50 MPH.
THURSDAY
SKY/WEATHER.........PARTLY CLOUDY (25-35% CLOUD COVER) UNTIL 1200,
THEN SUNNY (15-25% CLOUD COVER).
CHANCE LIGHTNING....0%.
CWR.................0%.
MAX TEMPERATURE.....50-57 NEAR 5000 FEET.
40-48 NEAR 8000 FEET.
24 HR TREND......5 DEGREES COOLER.
MIN HUMIDITY........30-38% NEAR 5000 FEET.
37-47% NEAR 8000 FEET.
24 HR TREND......2% WETTER.
20-FOOT WINDS.......UPSLOPE/UPVALLEY 5-10 MPH.
12K FT MSL WINDS....NORTHWEST 35-40 MPH.
MIXING HEIGHT.......2600 FT AGL.
CLIMATOLOGY......20-30TH PERCENTILE.
CLEARING INDEX......140.
THURSDAY NIGHT
SKY/WEATHER.........PARTLY CLOUDY (35-45% CLOUD COVER).
CHANCE LIGHTNING....0%.
CWR.................0%.
MIN TEMPERATURE.....28-38 NEAR 5000 FEET.
33-39 NEAR 8000 FEET.
24 HR TREND......2 DEGREES WARMER.
MAX HUMIDITY........62-72% NEAR 5000 FEET.
44-54% NEAR 8000 FEET.
24 HR TREND......1% DRIER.
20-FOOT WINDS.......DOWNSLOPE/DOWNVALLEY 5-10 MPH.
12K FT MSL WINDS....NORTHWEST AROUND 40 MPH.
FRIDAY
SKY/WEATHER.........PARTLY CLOUDY (35-45% CLOUD COVER).
CHANCE LIGHTNING....0%.
CWR.................0%.
MAX TEMPERATURE.....54-63 NEAR 5000 FEET.
43-52 NEAR 8000 FEET.
24 HR TREND......5 DEGREES WARMER.
MIN HUMIDITY........30-38% NEAR 5000 FEET.
34-44% NEAR 8000 FEET.
24 HR TREND......1% DRIER.
20-FOOT WINDS.......UPSLOPE/UPVALLEY 5-10 MPH BECOMING SOUTH AROUND
15 MPH IN THE AFTERNOON.
12K FT MSL WINDS....WEST AROUND 45 MPH.
MIXING HEIGHT.......2400 FT AGL.
CLIMATOLOGY......10-20TH PERCENTILE.
CLEARING INDEX......280.
FORECAST DAYS 3 THROUGH 7
SATURDAY
PARTLY CLOUDY. LOWS IN THE UPPER 30S. HIGHS IN THE
UPPER 50S IN THE VALLEYS AND IN THE UPPER 40S IN THE MOUNTAINS.
WINDS GENERALLY LESS THAN 15 MPH.
SUNDAY
PARTLY CLOUDY. LOWS IN THE MID 30S. HIGHS IN THE UPPER
50S IN THE VALLEYS AND IN THE UPPER 40S IN THE MOUNTAINS. SOUTH
WINDS AROUND 15 MPH.
MONDAY
MOSTLY CLOUDY. LOWS IN THE UPPER 30S. HIGHS IN THE
UPPER 50S IN THE VALLEYS AND IN THE UPPER 40S IN THE MOUNTAINS.
SOUTH WINDS AROUND 15 MPH.
TUESDAY
MOSTLY CLOUDY. LOWS IN THE MID 30S. HIGHS IN THE MID
50S IN THE VALLEYS AND IN THE MID 40S IN THE MOUNTAINS.
WEDNESDAY
MOSTLY CLOUDY. LOCAL RAIN. LOWS IN THE MID 30S.
HIGHS IN THE MID 50S IN THE VALLEYS AND IN THE MID 40S IN THE
MOUNTAINS.
=
UTZ495-181300-
COLOR COUNTRY WEST DESERT-
208 PM MST WED DEC 17 2025
TONIGHT
SKY/WEATHER.........PARTLY CLOUDY (25-35% CLOUD COVER).
CHANCE LIGHTNING....0%.
CWR.................0%.
MIN TEMPERATURE.....21-30 NEAR 5000 FEET.
25-35 NEAR 7000 FEET.
24 HR TREND......7 DEGREES COOLER.
MAX HUMIDITY........83-93% NEAR 5000 FEET.
63-73% NEAR 7000 FEET.
24 HR TREND......26% WETTER NEAR 5000 FEET.
14% WETTER NEAR 7000 FEET.
20-FOOT WINDS.......NORTHWEST AROUND 15 MPH IN THE EVENING BECOMING
DOWNSLOPE/DOWNVALLEY 5-10 MPH.
12K FT MSL WINDS....NORTHWEST AROUND 40 MPH.
THURSDAY
SKY/WEATHER.........PARTLY CLOUDY (30-40% CLOUD COVER).
CHANCE LIGHTNING....0%.
CWR.................0%.
MAX TEMPERATURE.....55-61 NEAR 5000 FEET.
48-55 NEAR 7000 FEET.
24 HR TREND......5 DEGREES COOLER.
MIN HUMIDITY........28-38%.
24 HR TREND......3% WETTER NEAR 5000 FEET.
4% DRIER NEAR 7000 FEET.
20-FOOT WINDS.......UPSLOPE/UPVALLEY 5-10 MPH.
12K FT MSL WINDS....NORTHWEST 45-50 MPH.
MIXING HEIGHT.......3100 FT AGL.
CLIMATOLOGY......20-30TH PERCENTILE.
CLEARING INDEX......300.
THURSDAY NIGHT
SKY/WEATHER.........MOSTLY CLOUDY (55-65% CLOUD COVER).
CHANCE LIGHTNING....0%.
CWR.................0%.
MIN TEMPERATURE.....31-41 NEAR 5000 FEET.
36-46 NEAR 7000 FEET.
24 HR TREND......9 DEGREES WARMER.
MAX HUMIDITY........60-70% NEAR 5000 FEET.
46-56% NEAR 7000 FEET.
24 HR TREND......25% DRIER NEAR 5000 FEET.
14% DRIER NEAR 7000 FEET.
20-FOOT WINDS.......DOWNSLOPE/DOWNVALLEY 5-10 MPH BECOMING SOUTH
AROUND 15 MPH AFTER MIDNIGHT.
12K FT MSL WINDS....WEST 40-45 MPH.
FRIDAY
SKY/WEATHER.........MOSTLY CLOUDY (75-85% CLOUD COVER).
CHANCE LIGHTNING....0%.
CWR.................0%.
MAX TEMPERATURE.....60-66 NEAR 5000 FEET.
51-57 NEAR 7000 FEET.
24 HR TREND......2 DEGREES WARMER.
MIN HUMIDITY........27-37%.
24 HR TREND......1% DRIER.
20-FOOT WINDS.......SOUTHWEST AROUND 15 MPH WITH GUSTS TO AROUND 30
MPH.
12K FT MSL WINDS....WEST 45-50 MPH.
MIXING HEIGHT.......3400 FT AGL.
CLIMATOLOGY......20-30TH PERCENTILE.
CLEARING INDEX......580.
FORECAST DAYS 3 THROUGH 7
SATURDAY
PARTLY CLOUDY. LOWS IN THE LOWER 30S IN THE VALLEYS
AND IN THE UPPER 30S IN THE MOUNTAINS. HIGHS IN THE UPPER 50S IN
THE VALLEYS AND IN THE LOWER 50S IN THE MOUNTAINS. SOUTHWEST
WINDS AROUND 15 MPH.
SUNDAY
MOSTLY CLOUDY. LOWS IN THE LOWER 30S IN THE VALLEYS AND
IN THE UPPER 30S IN THE MOUNTAINS. HIGHS IN THE UPPER 50S IN THE
VALLEYS AND IN THE LOWER 50S IN THE MOUNTAINS. SOUTH WINDS AROUND
15 MPH.
MONDAY
MOSTLY CLOUDY. LOWS IN THE UPPER 30S 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. SOUTH WINDS AROUND
15 MPH.
TUESDAY
MOSTLY CLOUDY. LOWS IN THE MID 30S IN THE VALLEYS AND
AROUND 40 IN THE MOUNTAINS. HIGHS AROUND 60 IN THE VALLEYS AND IN
THE LOWER 50S IN THE MOUNTAINS.
WEDNESDAY
MOSTLY CLOUDY. AREAS OF RAIN. LOWS IN THE MID 30S IN
THE VALLEYS AND IN THE UPPER 30S IN THE MOUNTAINS. HIGHS IN THE
UPPER 50S IN THE VALLEYS AND IN THE UPPER 40S IN THE MOUNTAINS.
=
UTZ496-181300-
COLOR COUNTRY MOUNTAINS-
208 PM MST WED DEC 17 2025
TONIGHT
SKY/WEATHER.........PARTLY CLOUDY (25-35% CLOUD COVER).
CHANCE LIGHTNING....0%.
CWR.................0%.
MIN TEMPERATURE.....25-35.
24 HR TREND......5 DEGREES COOLER.
MAX HUMIDITY........66-76% NEAR 6000 FEET.
61-71% NEAR 8000 FEET.
24 HR TREND......9% WETTER.
20-FOOT WINDS.......NORTHWEST 15-20 MPH. GUSTS UP TO 40 MPH IN THE
EVENING.
12K FT MSL WINDS....NORTHWEST 45-50 MPH.
THURSDAY
SKY/WEATHER.........PARTLY CLOUDY (30-40% CLOUD COVER) UNTIL 1200,
THEN SUNNY (15-25% CLOUD COVER).
CHANCE LIGHTNING....0%.
CWR.................0%.
MAX TEMPERATURE.....51-61 NEAR 6000 FEET.
47-55 NEAR 8000 FEET.
24 HR TREND......4 DEGREES COOLER.
MIN HUMIDITY........26-36%.
24 HR TREND......UNCHANGED NEAR 6000 FEET.
6% DRIER NEAR 8000 FEET.
20-FOOT WINDS.......UPSLOPE/UPVALLEY 5-10 MPH.
12K FT MSL WINDS....NORTHWEST AROUND 45 MPH.
MIXING HEIGHT.......3400 FT AGL.
CLIMATOLOGY......20-30TH PERCENTILE.
CLEARING INDEX......430.
THURSDAY NIGHT
SKY/WEATHER.........PARTLY CLOUDY (40-50% CLOUD COVER) UNTIL 2400,
THEN MOSTLY CLOUDY (50-60% CLOUD COVER).
CHANCE LIGHTNING....0%.
CWR.................0%.
MIN TEMPERATURE.....29-39.
24 HR TREND......6 DEGREES WARMER.
MAX HUMIDITY........60-70% NEAR 6000 FEET.
54-64% NEAR 8000 FEET.
24 HR TREND......8% DRIER.
20-FOOT WINDS.......DOWNSLOPE/DOWNVALLEY 5-10 MPH.
12K FT MSL WINDS....WEST AROUND 45 MPH.
FRIDAY
SKY/WEATHER.........PARTLY SUNNY (55-65% CLOUD COVER).
CHANCE LIGHTNING....0%.
CWR.................0%.
MAX TEMPERATURE.....54-64 NEAR 6000 FEET.
47-57 NEAR 8000 FEET.
24 HR TREND......3 DEGREES WARMER.
MIN HUMIDITY........26-36%.
24 HR TREND......1% DRIER.
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......470.
FORECAST DAYS 3 THROUGH 7
SATURDAY
PARTLY CLOUDY. LOWS IN THE MID 30S. HIGHS IN THE
UPPER 50S IN THE VALLEYS AND IN THE LOWER 50S IN THE MOUNTAINS.
WINDS GENERALLY LESS THAN 15 MPH.
SUNDAY
PARTLY 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.
MONDAY
MOSTLY CLOUDY. LOWS IN THE MID 30S. HIGHS IN THE UPPER
50S IN THE VALLEYS AND IN THE LOWER 50S IN THE MOUNTAINS. WINDS
GENERALLY LESS THAN 15 MPH.
TUESDAY
MOSTLY CLOUDY. LOWS IN THE MID 30S. HIGHS IN THE MID
50S IN THE VALLEYS AND IN THE UPPER 40S IN THE MOUNTAINS.
WEDNESDAY
MOSTLY CLOUDY. AREAS OF RAIN AND SNOW. LOWS IN THE
LOWER 30S. HIGHS IN THE LOWER 50S IN THE VALLEYS AND IN THE MID
40S IN THE MOUNTAINS.
=
UTZ497-181300-
MOJAVE DESERT-
208 PM MST WED DEC 17 2025
TONIGHT
SKY/WEATHER.........MOSTLY CLEAR (5-15% CLOUD COVER).
CHANCE LIGHTNING....0%.
CWR.................0%.
MIN TEMPERATURE.....40-50 NEAR 3000 FEET.
35-45 NEAR 6000 FEET.
24 HR TREND......2 DEGREES COOLER.
MAX HUMIDITY........48-58% NEAR 3000 FEET.
41-51% NEAR 6000 FEET.
24 HR TREND......12% WETTER.
20-FOOT WINDS.......DOWNSLOPE/DOWNVALLEY 5-10 MPH BECOMING NORTH
AROUND 15 MPH AFTER MIDNIGHT.
12K FT MSL WINDS....NORTHWEST 45-50 MPH.
THURSDAY
SKY/WEATHER.........SUNNY (15-25% CLOUD COVER) UNTIL 1200, THEN
PARTLY CLOUDY (20-30% CLOUD COVER).
CHANCE LIGHTNING....0%.
CWR.................0%.
MAX TEMPERATURE.....62-68 NEAR 3000 FEET.
53-59 NEAR 6000 FEET.
24 HR TREND......1 DEGREE COOLER.
MIN HUMIDITY........23-33%.
24 HR TREND......3% WETTER.
20-FOOT WINDS.......UPSLOPE/UPVALLEY 5-10 MPH.
12K FT MSL WINDS....NORTHWEST AROUND 50 MPH.
MIXING HEIGHT.......3000 FT AGL.
CLIMATOLOGY......10-20TH PERCENTILE.
CLEARING INDEX......170.
THURSDAY NIGHT
SKY/WEATHER.........PARTLY CLOUDY (40-50% CLOUD COVER) UNTIL 2400,
THEN MOSTLY CLOUDY (50-60% CLOUD COVER).
CHANCE LIGHTNING....0%.
CWR.................0%.
MIN TEMPERATURE.....40-50 NEAR 3000 FEET.
38-46 NEAR 6000 FEET.
24 HR TREND......2 DEGREES WARMER.
MAX HUMIDITY........50-60% NEAR 3000 FEET.
42-52% NEAR 6000 FEET.
24 HR TREND......1% WETTER.
20-FOOT WINDS.......DOWNSLOPE/DOWNVALLEY 5-10 MPH.
12K FT MSL WINDS....NORTHWEST AROUND 45 MPH BECOMING WEST AROUND 35
MPH AFTER MIDNIGHT.
FRIDAY
SKY/WEATHER.........PARTLY CLOUDY (40-50% CLOUD COVER).
CHANCE LIGHTNING....0%.
CWR.................0%.
MAX TEMPERATURE.....61-67 NEAR 3000 FEET.
51-58 NEAR 6000 FEET.
24 HR TREND......1 DEGREE COOLER.
MIN HUMIDITY........27-35% NEAR 3000 FEET.
30-40% NEAR 6000 FEET.
24 HR TREND......4% WETTER.
20-FOOT WINDS.......UPSLOPE/UPVALLEY 5-10 MPH.
12K FT MSL WINDS....WEST 35-40 MPH.
MIXING HEIGHT.......3500 FT AGL.
CLIMATOLOGY......10-20TH PERCENTILE.
CLEARING INDEX......250.
FORECAST DAYS 3 THROUGH 7
SATURDAY
PARTLY CLOUDY. LOWS IN THE LOWER 40S. HIGHS IN THE
MID 60S IN THE VALLEYS AND IN THE MID 50S IN THE MOUNTAINS. WINDS
GENERALLY LESS THAN 15 MPH.
SUNDAY
MOSTLY CLOUDY. LOWS IN THE MID 40S. HIGHS IN THE MID
60S IN THE VALLEYS AND IN THE LOWER 50S IN THE MOUNTAINS. WINDS
GENERALLY LESS THAN 15 MPH.
MONDAY
MOSTLY CLOUDY. LOWS IN THE MID 40S. HIGHS IN THE UPPER
60S IN THE VALLEYS AND IN THE MID 50S IN THE MOUNTAINS. WINDS
GENERALLY LESS THAN 15 MPH.
TUESDAY
MOSTLY CLOUDY. LOWS IN THE LOWER 40S. HIGHS IN THE MID
60S IN THE VALLEYS AND IN THE MID 50S IN THE MOUNTAINS.
WEDNESDAY
MOSTLY CLOUDY. AREAS OF RAIN. LOWS IN THE MID 40S.
HIGHS IN THE LOWER 60S IN THE VALLEYS AND IN THE LOWER 50S IN THE
MOUNTAINS.
=
UTZ498-181300-
GRAND STAIRCASE-
208 PM MST WED DEC 17 2025
TONIGHT
SKY/WEATHER.........MOSTLY CLEAR (15-25% CLOUD COVER).
CHANCE LIGHTNING....0%.
CWR.................0%.
MIN TEMPERATURE.....29-39.
24 HR TREND......1 DEGREE COOLER.
MAX HUMIDITY........59-69%.
24 HR TREND......11% WETTER.
20-FOOT WINDS.......WEST AROUND 15 MPH IN THE EVENING BECOMING
DOWNSLOPE/DOWNVALLEY 5-10 MPH.
12K FT MSL WINDS....NORTHWEST 45-50 MPH.
THURSDAY
SKY/WEATHER.........PARTLY CLOUDY (25-35% CLOUD COVER) UNTIL 1200,
THEN SUNNY (20-30% CLOUD COVER).
CHANCE LIGHTNING....0%.
CWR.................0%.
MAX TEMPERATURE.....53-63 NEAR 4000 FEET.
49-59 NEAR 6000 FEET.
24 HR TREND......3 DEGREES COOLER.
MIN HUMIDITY........29-39% NEAR 4000 FEET.
25-35% NEAR 6000 FEET.
24 HR TREND......5% WETTER NEAR 4000 FEET.
UNCHANGED NEAR 6000 FEET.
20-FOOT WINDS.......UPSLOPE/UPVALLEY 5-10 MPH.
12K FT MSL WINDS....NORTHWEST 40-45 MPH.
MIXING HEIGHT.......3000 FT AGL.
CLIMATOLOGY......20-30TH PERCENTILE.
CLEARING INDEX......240.
THURSDAY NIGHT
SKY/WEATHER.........PARTLY CLOUDY (35-45% CLOUD COVER).
CHANCE LIGHTNING....0%.
CWR.................0%.
MIN TEMPERATURE.....32-42.
24 HR TREND......2 DEGREES WARMER.
MAX HUMIDITY........59-69%.
24 HR TREND......1% DRIER.
20-FOOT WINDS.......DOWNSLOPE/DOWNVALLEY 5-10 MPH.
12K FT MSL WINDS....NORTHWEST AROUND 45 MPH.
FRIDAY
SKY/WEATHER.........PARTLY CLOUDY (30-40% CLOUD COVER).
CHANCE LIGHTNING....0%.
CWR.................0%.
MAX TEMPERATURE.....58-66 NEAR 4000 FEET.
53-63 NEAR 6000 FEET.
24 HR TREND......3 DEGREES WARMER.
MIN HUMIDITY........27-37%.
24 HR TREND......1% WETTER.
20-FOOT WINDS.......UPSLOPE/UPVALLEY 5-10 MPH. GUSTS UP TO 25 MPH
IN THE AFTERNOON.
12K FT MSL WINDS....WEST 40-45 MPH.
MIXING HEIGHT.......3300 FT AGL.
CLIMATOLOGY......20-30TH PERCENTILE.
CLEARING INDEX......450.
FORECAST DAYS 3 THROUGH 7
SATURDAY
PARTLY CLOUDY. LOWS IN THE UPPER 30S IN THE VALLEYS
AND IN THE MID 30S IN THE MOUNTAINS. HIGHS IN THE LOWER 60S IN
THE VALLEYS AND IN THE UPPER 50S IN THE MOUNTAINS. WINDS
GENERALLY LESS THAN 15 MPH.
SUNDAY
PARTLY CLOUDY. LOWS IN THE UPPER 30S IN THE VALLEYS AND
IN THE MID 30S IN THE MOUNTAINS. HIGHS IN THE LOWER 60S IN THE
VALLEYS AND IN THE MID 50S IN THE MOUNTAINS. WINDS GENERALLY LESS
THAN 15 MPH.
MONDAY
MOSTLY CLOUDY. 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 50S IN THE MOUNTAINS. WINDS GENERALLY LESS THAN
15 MPH.
TUESDAY
PARTLY CLOUDY. LOWS IN THE UPPER 30S IN THE VALLEYS
AND IN THE MID 30S IN THE MOUNTAINS. HIGHS IN THE UPPER 50S IN
THE VALLEYS AND IN THE MID 50S IN THE MOUNTAINS.
WEDNESDAY
MOSTLY CLOUDY. AREAS OF RAIN. 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 LOWER 50S IN THE
MOUNTAINS.
=
.8-14 DAY OUTLOOK FOR THURSDAY DECEMBER 25 TO WEDNESDAY DECEMBER 31
TEMPERATURE... ABOVE NORMAL
PRECIPITATION... ABOVE NORMAL
=
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