308
FNUS55 KSLC 311032
FWFSLC
FIRE WEATHER PLANNING FORECAST FOR UTAH
NATIONAL WEATHER SERVICE SALT LAKE CITY UT
432 AM MDT MON AUG 31 2026
...SIGNIFICANT MOISTURE TODAY, DRYING MID-WEEK WITH INCREASING WIND...
BROADCAST DISCUSSION
SIGNIFICANT MOISTURE AND AN AREA OF LOW PRESSURE
MOVES INTO THE AREA TODAY, BRINGING WIDESPREAD SHOWER AND
THUNDERSTORM ACTIVITY WITH A HIGH CHANCE FOR WETTING RAIN. A
DRYING TREND ESTABLISHES IN THE WAKE OF THIS SYSTEM, WITH HUMIDITY
DECREASING THROUGH THURSDAY ALONGSIDE INCREASING SOUTHWEST WINDS.
MOISTURE LOOKS TO RETURN LATE WEEK AND INTO THE WEEKEND.
DISCUSSION
A SIGNIFICANT PUSH OF MOISTURE ALONGSIDE A LOW PRESSURE SYSTEM
WILL BRING WIDESPREAD SHOWERS AND THUNDERSTORMS ACROSS A MAJORITY
OF UTAH TODAY, WITH HIGH PROBABILITY OF WETTING RAINS (50 TO 85
PERCENT) ACROSS THE HIGH TERRAIN OF CENTRAL AND SOUTHERN UTAH. IN
CONCERT WITH THE WIDESPREAD RAINFALL AND THUNDERSTORM ACTIVITY,
HIGH HUMIDITY IS EXPECTED AREAWIDE, WITH VERY FEW LOCATIONS
FALLING BELOW 30 PERCENT, AND MANY STRUGGLING TO FALL BELOW 40
PERCENT.
A DRYING AIRMASS WILL BEGIN TO PUSH INTO THE REGION ON TUESDAY,
INITIATING A DRYING TREND THROUGH AT LEAST THURSDAY. WHILE HUMIDITY
WILL REMAIN RELATIVELY HIGH ON TUESDAY, A MORE SUBSTANTIAL DRYING
IS EXPECTED INTO THE MIDDLE OF THE WEEK, WITH MINIMUM AFTERNOON
HUMIDITY FALLING BACK INTO THE TEENS ACROSS THE WESTERN HALF OF
UTAH. BY THURSDAY, AFTERNOON HUMIDITY IN THE TEENS IS EXPECTED TO
SPREAD INTO THE LOWER ELEVATIONS OF EASTERN UTAH. AN ACTIVE AREA
OF LOW PRESSURE ON THE WEST COAST WILL BRING AN INCREASE IN
SOUTHWEST WINDS ALONGSIDE THIS DRYING TREND, BRINGING ELEVATED TO
NEAR CRITICAL FIRE WEATHER CONDITIONS ACROSS A PORTION OF WEST-
CENTRAL AND SOUTHWEST UTAH ON WEDNESDAY AND THURSDAY AFTERNOON.
FOR THE HIGH TERRAIN ACROSS THE STATE, VERY LITTLE, IF ANY, SHOWER
AND THUNDERSTORM ACTIVITY IS EXPECTED. MOISTURE LOOKS TO RETURN
BY THE END OF THE WEEK AND OVER THE WEEKEND, BRINGING INCREASING
CHANCES FOR SHOWERS AND THUNDERSTORMS, AS WELL AS AN INCREASING
TREND IN HUMIDITY.
***THUNDERSTORMS IMPLY STRONG, GUSTY AND ERRATIC WINDS***
***ALL WINDS ARE 20 FOOT, 10-MINUTE AVERAGES***
UTZ478-010100-
SALT LAKE DESERT-
432 AM MDT MON AUG 31 2026
TODAY
SKY/WEATHER.........PARTLY CLOUDY (30-40% CLOUD COVER) UNTIL 1200,
THEN MOSTLY CLOUDY (80-90% CLOUD COVER). NORTH
OF I-80, ISOLATED SHOWERS AND THUNDERSTORMS
AFTER 1200. SOUTH OF I-80, SCATTERED SHOWERS
AND THUNDERSTORMS AFTER 1200.
CHANCE LIGHTNING....10% INCREASING TO 40% IN THE AFTERNOON.
CWR.................10% NORTH OF I-80 AND 30% SOUTH OF I-80.
MAX TEMPERATURE.....77-84 NEAR 5000 FEET.
64-70 NEAR 8000 FEET.
24 HR TREND......3 DEGREES WARMER.
MIN HUMIDITY........30-40% NEAR 5000 FEET.
36-46% NEAR 8000 FEET.
24 HR TREND......5% WETTER.
20-FOOT WINDS.......NORTHEAST WINDS AROUND 5 MPH BECOMING SOUTH
WITH GUSTS TO AROUND 25 MPH IN THE AFTERNOON.
12K FT MSL WINDS....SOUTHWEST AROUND 20 MPH.
MIXING HEIGHT.......8600 FT AGL (60-70TH PERCENTILE).
CLEARING INDEX......980.
TONIGHT
SKY/WEATHER.........NORTH OF I-80, MOSTLY CLOUDY (80-90% CLOUD
COVER), SCATTERED SHOWERS AND THUNDERSTORMS
UNTIL 2400, THEN ISOLATED SHOWERS AND
THUNDERSTORMS. SOUTH OF I-80, MOSTLY CLOUDY
(80-90% CLOUD COVER) UNTIL 2400, THEN PARTLY
CLOUDY (35-45% CLOUD COVER), SCATTERED SHOWERS
AND THUNDERSTORMS UNTIL 2400.
CHANCE LIGHTNING....40% DECREASING TO 20% AFTER MIDNIGHT.
CWR.................30%.
MIN TEMPERATURE.....50-60 NEAR 5000 FEET.
48-54 NEAR 8000 FEET.
24 HR TREND......UNCHANGED.
MAX HUMIDITY........67-77%.
24 HR TREND......17% WETTER.
20-FOOT WINDS.......SOUTH WINDS 10 TO 15 MPH.
12K FT MSL WINDS....SOUTH AROUND 20 MPH BECOMING SOUTHWEST AROUND
30 MPH AFTER MIDNIGHT.
TUESDAY
SKY/WEATHER.........NORTH OF I-80, PARTLY SUNNY (65-75% CLOUD
COVER), SCATTERED RAIN SHOWERS AND ISOLATED
THUNDERSTORMS AFTER 1200. SOUTH OF I-80, PARTLY
SUNNY (50-60% CLOUD COVER) UNTIL 1200, THEN
PARTLY CLOUDY (45-55% CLOUD COVER), ISOLATED
SHOWERS AND THUNDERSTORMS AFTER 1200.
CHANCE LIGHTNING....0% INCREASING TO 20% IN THE AFTERNOON.
CWR.................10% NORTH OF I-80 AND 0% SOUTH OF I-80.
MAX TEMPERATURE.....76-83 NEAR 5000 FEET.
63-69 NEAR 8000 FEET.
24 HR TREND......UNCHANGED.
MIN HUMIDITY........29-39% NEAR 5000 FEET.
33-43% NEAR 8000 FEET.
24 HR TREND......1% DRIER.
20-FOOT WINDS.......SOUTH WINDS 15 TO 20 MPH. GUSTS UP TO 35 MPH IN
THE AFTERNOON.
12K FT MSL WINDS....SOUTHWEST AROUND 30 MPH.
MIXING HEIGHT.......11900 FT AGL (70-80TH PERCENTILE).
CLEARING INDEX......1000+.
FORECAST DAYS 3 THROUGH 7
WEDNESDAY
MOSTLY CLEAR. LOWS IN THE UPPER 50S IN THE VALLEYS
AND IN THE LOWER 50S IN THE MOUNTAINS. HIGHS IN THE UPPER 70S IN
THE VALLEYS AND IN THE MID 60S IN THE MOUNTAINS. SOUTH WINDS
AROUND 20 MPH.
THURSDAY
MOSTLY CLEAR. LOWS IN THE MID 50S IN THE VALLEYS AND
IN THE LOWER 50S IN THE MOUNTAINS. HIGHS AROUND 80 IN THE VALLEYS
AND IN THE MID 60S IN THE MOUNTAINS. SOUTH WINDS AROUND 15 MPH.
FRIDAY
MOSTLY CLEAR. LOWS IN THE UPPER 50S IN THE VALLEYS AND
IN THE LOWER 50S IN THE MOUNTAINS. HIGHS IN THE LOWER 80S IN THE
VALLEYS AND IN THE UPPER 60S IN THE MOUNTAINS. SOUTH WINDS AROUND
20 MPH.
SATURDAY
PARTLY CLOUDY. LOWS IN THE UPPER 50S IN THE VALLEYS
AND IN THE LOWER 50S IN THE MOUNTAINS. HIGHS IN THE LOWER 80S IN
THE VALLEYS AND IN THE UPPER 60S IN THE MOUNTAINS.
SUNDAY
MOSTLY CLOUDY. SCATTERED RAIN SHOWERS AND ISOLATED
THUNDERSTORMS. LOWS AROUND 60 IN THE VALLEYS AND IN THE MID 50S
IN THE MOUNTAINS. HIGHS AROUND 80 IN THE VALLEYS AND IN THE MID
60S IN THE MOUNTAINS.
=
UTZ479-010100-
WASATCH MOUNTAINS-
432 AM MDT MON AUG 31 2026
..FLOOD WATCH IN EFFECT THROUGH THIS EVENING
TODAY
SKY/WEATHER.........PARTLY CLOUDY (40-50% CLOUD COVER) UNTIL 1200,
THEN CLOUDY (85-95% CLOUD COVER). NORTH OF
I-80, SCATTERED SHOWERS AND THUNDERSTORMS AFTER
1200. SOUTH OF I-80, NUMEROUS RAIN SHOWERS AND
SCATTERED THUNDERSTORMS AFTER 1200.
CHANCE LIGHTNING....10% INCREASING TO 60% IN THE AFTERNOON.
CWR.................20% NORTH OF I-80 AND 60% SOUTH OF I-80.
MAX TEMPERATURE.....77-85 NEAR 5000 FEET.
63-73 NEAR 8000 FEET.
24 HR TREND......4 DEGREES WARMER.
MIN HUMIDITY........31-39% NEAR 5000 FEET.
46-56% NEAR 8000 FEET.
24 HR TREND......5% WETTER NEAR 5000 FEET.
UNCHANGED NEAR 8000 FEET.
20-FOOT WINDS.......SOUTHEAST WINDS AROUND 5 MPH BECOMING SOUTHWEST
WITH GUSTS TO AROUND 20 MPH IN THE AFTERNOON.
12K FT MSL WINDS....SOUTHWEST 15-20 MPH.
MIXING HEIGHT.......9000 FT AGL (60-70TH PERCENTILE).
CLEARING INDEX......1000+.
TONIGHT
SKY/WEATHER.........CLOUDY (85-95% CLOUD COVER). NORTH OF I-80,
SCATTERED THUNDERSTORMS UNTIL 2400. SCATTERED
RAIN SHOWERS. ISOLATED THUNDERSTORMS AFTER
2400. SOUTH OF I-80, RAIN SHOWERS AND SCATTERED
THUNDERSTORMS UNTIL 2400, THEN SCATTERED RAIN
SHOWERS AND ISOLATED THUNDERSTORMS.
CHANCE LIGHTNING....40% DECREASING TO 20% AFTER MIDNIGHT.
CWR.................40% NORTH OF I-80 AND 60% SOUTH OF I-80.
MIN TEMPERATURE.....46-56 NEAR 5000 FEET.
42-52 NEAR 8000 FEET.
24 HR TREND......1 DEGREE WARMER.
MAX HUMIDITY........83-93% NEAR 5000 FEET.
76-86% NEAR 8000 FEET.
24 HR TREND......12% WETTER.
20-FOOT WINDS.......SOUTH WINDS 5 TO 10 MPH.
12K FT MSL WINDS....SOUTH AROUND 15 MPH BECOMING SOUTHWEST AROUND
25 MPH AFTER MIDNIGHT.
TUESDAY
SKY/WEATHER.........PARTLY SUNNY (55-65% CLOUD COVER). NORTH OF
I-80, ISOLATED SHOWERS AND THUNDERSTORMS AFTER
1200. SOUTH OF I-80, SCATTERED SHOWERS AND
THUNDERSTORMS AFTER 1200.
CHANCE LIGHTNING....10% INCREASING TO 40% IN THE AFTERNOON.
CWR.................0% NORTH OF I-80 AND 10% SOUTH OF I-80.
MAX TEMPERATURE.....75-83 NEAR 5000 FEET.
62-72 NEAR 8000 FEET.
24 HR TREND......2 DEGREES COOLER.
MIN HUMIDITY........33-43% NEAR 5000 FEET.
43-53% NEAR 8000 FEET.
24 HR TREND......2% WETTER.
20-FOOT WINDS.......SOUTH WINDS AROUND 10 MPH WITH GUSTS TO AROUND
25 MPH.
12K FT MSL WINDS....SOUTHWEST 25-30 MPH.
MIXING HEIGHT.......10200 FT AGL (70-80TH PERCENTILE).
CLEARING INDEX......1000+.
FORECAST DAYS 3 THROUGH 7
WEDNESDAY
MOSTLY CLEAR. SCATTERED RAIN SHOWERS. LOWS IN THE
LOWER 50S IN THE VALLEYS AND IN THE UPPER 40S IN THE MOUNTAINS.
HIGHS IN THE UPPER 70S IN THE VALLEYS AND IN THE MID 60S IN THE
MOUNTAINS. SOUTH WINDS AROUND 15 MPH.
THURSDAY
MOSTLY CLEAR. LOWS IN THE MID 40S. HIGHS IN THE UPPER
70S IN THE VALLEYS AND IN THE UPPER 60S IN THE MOUNTAINS. SOUTH
WINDS AROUND 15 MPH.
FRIDAY
MOSTLY CLEAR. LOWS IN THE UPPER 40S. HIGHS IN THE LOWER
80S IN THE VALLEYS AND IN THE UPPER 60S IN THE MOUNTAINS. SOUTH
WINDS AROUND 15 MPH.
SATURDAY
PARTLY CLOUDY. SCATTERED SHOWERS AND THUNDERSTORMS.
LOWS AROUND 50. HIGHS IN THE LOWER 80S IN THE VALLEYS AND IN THE
UPPER 60S IN THE MOUNTAINS.
SUNDAY
MOSTLY CLOUDY. SCATTERED SHOWERS AND THUNDERSTORMS.
LOWS IN THE LOWER 50S. HIGHS IN THE UPPER 70S IN THE VALLEYS AND
IN THE UPPER 60S IN THE MOUNTAINS.
=
UTZ480-010100-
UINTA MOUNTAINS-
432 AM MDT MON AUG 31 2026
TODAY
SKY/WEATHER.........PARTLY CLOUDY (35-45% CLOUD COVER) UNTIL 1200,
THEN CLOUDY (85-95% CLOUD COVER). NUMEROUS RAIN
SHOWERS AND SCATTERED THUNDERSTORMS AFTER 1200.
CHANCE LIGHTNING....10% INCREASING TO 50% IN THE AFTERNOON.
CWR.................40%.
MAX TEMPERATURE.....71-77 NEAR 7000 FEET.
62-68 NEAR 9000 FEET.
24 HR TREND......4 DEGREES WARMER.
MIN HUMIDITY........39-49%.
24 HR TREND......1% DRIER NEAR 7000 FEET.
9% DRIER NEAR 9000 FEET.
20-FOOT WINDS.......SOUTH WINDS 5 TO 10 MPH.
12K FT MSL WINDS....SOUTHWEST AROUND 15 MPH.
MIXING HEIGHT.......7600 FT AGL (50-60TH PERCENTILE).
CLEARING INDEX......880.
TONIGHT
SKY/WEATHER.........MOSTLY CLOUDY (80-90% CLOUD COVER). RAIN
SHOWERS AND SCATTERED THUNDERSTORMS UNTIL 2400,
THEN SCATTERED RAIN SHOWERS.
CHANCE LIGHTNING....40% DECREASING TO 10% AFTER MIDNIGHT.
CWR.................50%.
MIN TEMPERATURE.....44-51 NEAR 7000 FEET.
36-46 NEAR 9000 FEET.
24 HR TREND......1 DEGREE WARMER.
MAX HUMIDITY........83-93% NEAR 7000 FEET.
87-97% NEAR 9000 FEET.
24 HR TREND......7% WETTER.
20-FOOT WINDS.......SOUTH WINDS AROUND 10 MPH WITH GUSTS TO AROUND
25 MPH.
12K FT MSL WINDS....SOUTHWEST AROUND 15 MPH BECOMING AROUND 25 MPH
AFTER MIDNIGHT.
TUESDAY
SKY/WEATHER.........PARTLY SUNNY (60-70% CLOUD COVER). SCATTERED
SHOWERS AND THUNDERSTORMS AFTER 1200.
CHANCE LIGHTNING....10% INCREASING TO 40% IN THE AFTERNOON.
CWR.................20%.
MAX TEMPERATURE.....69-75 NEAR 7000 FEET.
60-66 NEAR 9000 FEET.
24 HR TREND......2 DEGREES COOLER.
MIN HUMIDITY........38-42% NEAR 7000 FEET.
41-51% NEAR 9000 FEET.
24 HR TREND......4% WETTER.
20-FOOT WINDS.......SOUTH WINDS AROUND 10 MPH WITH GUSTS TO AROUND
25 MPH.
12K FT MSL WINDS....SOUTHWEST 20-25 MPH.
MIXING HEIGHT.......8700 FT AGL (60-70TH PERCENTILE).
CLEARING INDEX......1000+.
FORECAST DAYS 3 THROUGH 7
WEDNESDAY
PARTLY CLOUDY. SCATTERED RAIN SHOWERS AND ISOLATED
THUNDERSTORMS. LOWS IN THE LOWER 50S IN THE VALLEYS AND IN THE
LOWER 40S IN THE MOUNTAINS. HIGHS IN THE LOWER 70S IN THE VALLEYS
AND IN THE LOWER 60S IN THE MOUNTAINS. SOUTH WINDS AROUND 20 MPH.
THURSDAY
MOSTLY CLEAR. LOWS IN THE UPPER 40S IN THE VALLEYS
AND IN THE LOWER 40S IN THE MOUNTAINS. HIGHS IN THE LOWER 70S IN
THE VALLEYS AND IN THE MID 60S IN THE MOUNTAINS. SOUTH WINDS
AROUND 15 MPH.
FRIDAY
MOSTLY CLEAR. ISOLATED SHOWERS AND THUNDERSTORMS. LOWS
IN THE LOWER 50S IN THE VALLEYS AND IN THE MID 40S IN THE
MOUNTAINS. HIGHS IN THE MID 70S IN THE VALLEYS AND IN THE UPPER
60S IN THE MOUNTAINS. SOUTH WINDS AROUND 20 MPH.
SATURDAY
PARTLY CLOUDY. SCATTERED SHOWERS AND THUNDERSTORMS.
LOWS IN THE LOWER 50S IN THE VALLEYS AND IN THE MID 40S IN THE
MOUNTAINS. HIGHS IN THE MID 70S IN THE VALLEYS AND IN THE MID 60S
IN THE MOUNTAINS.
SUNDAY
MOSTLY CLOUDY. SCATTERED SHOWERS AND THUNDERSTORMS.
LOWS IN THE LOWER 50S IN THE VALLEYS AND IN THE UPPER 40S IN THE
MOUNTAINS. HIGHS IN THE LOWER 70S IN THE VALLEYS AND IN THE MID
60S IN THE MOUNTAINS.
=
UTZ481-010100-
WESTERN ASHLEY NATIONAL FOREST-
432 AM MDT MON AUG 31 2026
TODAY
SKY/WEATHER.........PARTLY CLOUDY (40-50% CLOUD COVER) UNTIL 1200,
THEN CLOUDY (85-95% CLOUD COVER). RAIN SHOWERS
AND SCATTERED THUNDERSTORMS AFTER 1200.
CHANCE LIGHTNING....10% INCREASING TO 60% IN THE AFTERNOON.
CWR.................50%.
MAX TEMPERATURE.....67-73 NEAR 7000 FEET.
55-61 NEAR 10000 FEET.
24 HR TREND......4 DEGREES WARMER.
MIN HUMIDITY........48-55% NEAR 7000 FEET.
52-62% NEAR 10000 FEET.
24 HR TREND......16% DRIER.
20-FOOT WINDS.......SOUTH WINDS 5 TO 10 MPH.
12K FT MSL WINDS....SOUTHWEST AROUND 15 MPH.
MIXING HEIGHT.......5100 FT AGL (40-50TH PERCENTILE).
CLEARING INDEX......490.
TONIGHT
SKY/WEATHER.........CLOUDY (90-100% CLOUD COVER). RAIN SHOWERS AND
SCATTERED THUNDERSTORMS UNTIL 2400, THEN
NUMEROUS RAIN SHOWERS.
CHANCE LIGHTNING....40% DECREASING TO 10% AFTER MIDNIGHT.
CWR.................70%.
MIN TEMPERATURE.....45-51 NEAR 7000 FEET.
34-43 NEAR 10000 FEET.
24 HR TREND......UNCHANGED.
MAX HUMIDITY........90-100%.
24 HR TREND......22% WETTER NEAR 7000 FEET.
15% WETTER NEAR 10000 FEET.
20-FOOT WINDS.......SOUTH WINDS AROUND 10 MPH.
12K FT MSL WINDS....SOUTHWEST 15-20 MPH.
TUESDAY
SKY/WEATHER.........MOSTLY CLOUDY (70-80% CLOUD COVER). NUMEROUS
RAIN SHOWERS AND SCATTERED THUNDERSTORMS AFTER
1200.
CHANCE LIGHTNING....10% INCREASING TO 40% IN THE AFTERNOON.
CWR.................40%.
MAX TEMPERATURE.....65-71 NEAR 7000 FEET.
53-59 NEAR 10000 FEET.
24 HR TREND......2 DEGREES COOLER.
MIN HUMIDITY........50-56% NEAR 7000 FEET.
56-65% NEAR 10000 FEET.
24 HR TREND......5% WETTER.
20-FOOT WINDS.......SOUTH WINDS AROUND 10 MPH.
12K FT MSL WINDS....SOUTHWEST AROUND 25 MPH BECOMING AROUND 15 MPH
IN THE AFTERNOON.
MIXING HEIGHT.......6800 FT AGL (50-60TH PERCENTILE).
CLEARING INDEX......910.
FORECAST DAYS 3 THROUGH 7
WEDNESDAY
RAIN SHOWERS AND SCATTERED THUNDERSTORMS. LOWS IN
THE UPPER 40S IN THE VALLEYS AND AROUND 40 IN THE MOUNTAINS.
HIGHS AROUND 70 IN THE VALLEYS AND IN THE UPPER 50S IN THE
MOUNTAINS. SOUTH WINDS AROUND 20 MPH.
THURSDAY
MOSTLY CLEAR. LOWS IN THE UPPER 40S IN THE VALLEYS
AND AROUND 40 IN THE MOUNTAINS. HIGHS IN THE LOWER 70S IN THE
VALLEYS AND IN THE UPPER 50S IN THE MOUNTAINS. SOUTHWEST WINDS
AROUND 20 MPH.
FRIDAY
MOSTLY CLEAR. ISOLATED SHOWERS AND THUNDERSTORMS. LOWS
IN THE LOWER 50S IN THE VALLEYS AND IN THE LOWER 40S IN THE
MOUNTAINS. HIGHS IN THE LOWER 70S IN THE VALLEYS AND AROUND 60 IN
THE MOUNTAINS. SOUTH WINDS AROUND 20 MPH.
SATURDAY
PARTLY CLOUDY. SCATTERED SHOWERS AND THUNDERSTORMS.
LOWS IN THE LOWER 50S IN THE VALLEYS AND IN THE MID 40S IN THE
MOUNTAINS. HIGHS AROUND 70 IN THE VALLEYS AND IN THE UPPER 50S IN
THE MOUNTAINS.
SUNDAY
MOSTLY CLOUDY. SCATTERED SHOWERS AND THUNDERSTORMS.
LOWS IN THE MID 50S IN THE VALLEYS AND IN THE MID 40S IN THE
MOUNTAINS. HIGHS IN THE LOWER 70S IN THE VALLEYS AND IN THE UPPER
50S IN THE MOUNTAINS.
=
UTZ482-010100-
WESTERN UINTAH BASIN-
432 AM MDT MON AUG 31 2026
TODAY
SKY/WEATHER.........PARTLY SUNNY (50-60% CLOUD COVER) UNTIL 1200,
THEN CLOUDY (85-95% CLOUD COVER). ISOLATED
SHOWERS AND THUNDERSTORMS UNTIL 1200, THEN
NUMEROUS SHOWERS AND THUNDERSTORMS.
CHANCE LIGHTNING....10% INCREASING TO 60% IN THE AFTERNOON.
CWR.................50%.
MAX TEMPERATURE.....69-75 NEAR 6000 FEET.
63-69 NEAR 8000 FEET.
24 HR TREND......5 DEGREES WARMER.
MIN HUMIDITY........55-65%.
24 HR TREND......10% DRIER.
20-FOOT WINDS.......NORTHWEST WINDS AROUND 5 MPH BECOMING SOUTHEAST
IN THE AFTERNOON.
12K FT MSL WINDS....SOUTHWEST AROUND 15 MPH.
MIXING HEIGHT.......4500 FT AGL (30-40TH PERCENTILE).
CLEARING INDEX......420.
TONIGHT
SKY/WEATHER.........CLOUDY (90-100% CLOUD COVER). RAIN SHOWERS AND
SCATTERED THUNDERSTORMS UNTIL 2400, THEN
SCATTERED RAIN SHOWERS.
CHANCE LIGHTNING....40% DECREASING TO 10% AFTER MIDNIGHT.
CWR.................60%.
MIN TEMPERATURE.....43-53.
24 HR TREND......1 DEGREE COOLER.
MAX HUMIDITY........85-95%.
24 HR TREND......13% WETTER.
20-FOOT WINDS.......SOUTHWEST WINDS AROUND 5 MPH IN THE EVENING
BECOMING LIGHT.
12K FT MSL WINDS....SOUTHWEST 10-15 MPH.
TUESDAY
SKY/WEATHER.........PARTLY CLOUDY (45-55% CLOUD COVER) UNTIL 1200,
THEN MOSTLY CLOUDY (70-80% CLOUD COVER).
SCATTERED SHOWERS AND THUNDERSTORMS AFTER 1200.
CHANCE LIGHTNING....10% INCREASING TO 40% IN THE AFTERNOON.
CWR.................20%.
MAX TEMPERATURE.....69-75 NEAR 6000 FEET.
62-68 NEAR 8000 FEET.
24 HR TREND......UNCHANGED.
MIN HUMIDITY........55-64% NEAR 6000 FEET.
51-59% NEAR 8000 FEET.
24 HR TREND......3% DRIER.
20-FOOT WINDS.......SOUTHWEST WINDS AROUND 5 MPH BECOMING SOUTHEAST
IN THE AFTERNOON.
12K FT MSL WINDS....SOUTHWEST 20-25 MPH.
MIXING HEIGHT.......7000 FT AGL (40-50TH PERCENTILE).
CLEARING INDEX......710.
FORECAST DAYS 3 THROUGH 7
WEDNESDAY
PARTLY CLOUDY. SCATTERED SHOWERS AND THUNDERSTORMS.
LOWS IN THE UPPER 40S. HIGHS IN THE LOWER 70S IN THE VALLEYS AND
IN THE UPPER 60S IN THE MOUNTAINS. SOUTHWEST WINDS AROUND 15 MPH.
THURSDAY
MOSTLY CLEAR. LOWS IN THE UPPER 40S. HIGHS IN THE MID
70S IN THE VALLEYS AND IN THE UPPER 60S IN THE MOUNTAINS. WINDS
GENERALLY LESS THAN 15 MPH.
FRIDAY
MOSTLY CLEAR. ISOLATED SHOWERS AND THUNDERSTORMS. LOWS
IN THE LOWER 50S. HIGHS IN THE UPPER 70S IN THE VALLEYS AND
AROUND 70 IN THE MOUNTAINS. WINDS GENERALLY LESS THAN 15 MPH.
SATURDAY
PARTLY CLOUDY. SCATTERED SHOWERS AND THUNDERSTORMS.
LOWS IN THE LOWER 50S. HIGHS IN THE MID 70S IN THE VALLEYS AND IN
THE UPPER 60S IN THE MOUNTAINS.
SUNDAY
MOSTLY CLOUDY. SCATTERED SHOWERS AND THUNDERSTORMS.
LOWS IN THE MID 50S. HIGHS IN THE UPPER 70S IN THE VALLEYS AND IN
THE UPPER 60S IN THE MOUNTAINS.
=
UTZ483-010100-
SOUTHERN ASHLEY NATIONAL FOREST-
432 AM MDT MON AUG 31 2026
TODAY
SKY/WEATHER.........PARTLY SUNNY (55-65% CLOUD COVER) UNTIL 1200,
THEN CLOUDY (85-95% CLOUD COVER). ISOLATED
SHOWERS AND THUNDERSTORMS UNTIL 1200, THEN
NUMEROUS SHOWERS AND THUNDERSTORMS.
CHANCE LIGHTNING....10% INCREASING TO 60% IN THE AFTERNOON.
CWR.................40%.
MAX TEMPERATURE.....67-73 NEAR 7000 FEET.
58-64 NEAR 9000 FEET.
24 HR TREND......2 DEGREES WARMER.
MIN HUMIDITY........58-68% NEAR 7000 FEET.
69-79% NEAR 9000 FEET.
24 HR TREND......12% WETTER NEAR 7000 FEET.
2% WETTER NEAR 9000 FEET.
20-FOOT WINDS.......SOUTH WINDS AROUND 5 MPH. GUSTS UP TO 20 MPH IN
THE AFTERNOON.
12K FT MSL WINDS....SOUTHWEST AROUND 15 MPH.
MIXING HEIGHT.......4700 FT AGL (30-40TH PERCENTILE).
CLEARING INDEX......560.
TONIGHT
SKY/WEATHER.........MOSTLY CLOUDY (80-90% CLOUD COVER). RAIN
SHOWERS AND SCATTERED THUNDERSTORMS UNTIL 2400,
THEN SCATTERED RAIN SHOWERS.
CHANCE LIGHTNING....40% DECREASING TO 10% AFTER MIDNIGHT.
CWR.................40%.
MIN TEMPERATURE.....43-53.
24 HR TREND......1 DEGREE COOLER.
MAX HUMIDITY........79-89% NEAR 7000 FEET.
84-94% NEAR 9000 FEET.
24 HR TREND......10% WETTER.
20-FOOT WINDS.......SOUTHWEST WINDS AROUND 5 MPH.
12K FT MSL WINDS....SOUTHWEST AROUND 10 MPH BECOMING WEST AROUND 20
MPH AFTER MIDNIGHT.
TUESDAY
SKY/WEATHER.........PARTLY SUNNY (65-75% CLOUD COVER). SCATTERED
SHOWERS AND THUNDERSTORMS AFTER 1200.
CHANCE LIGHTNING....10% INCREASING TO 40% IN THE AFTERNOON.
CWR.................20%.
MAX TEMPERATURE.....68-74 NEAR 7000 FEET.
57-63 NEAR 9000 FEET.
24 HR TREND......1 DEGREE COOLER.
MIN HUMIDITY........55-61% NEAR 7000 FEET.
62-72% NEAR 9000 FEET.
24 HR TREND......5% DRIER.
20-FOOT WINDS.......SOUTH WINDS 5 TO 10 MPH. GUSTS UP TO 25 MPH IN
THE AFTERNOON.
12K FT MSL WINDS....SOUTHWEST 15-20 MPH.
MIXING HEIGHT.......7300 FT AGL (50-60TH PERCENTILE).
CLEARING INDEX......900.
FORECAST DAYS 3 THROUGH 7
WEDNESDAY
MOSTLY CLEAR. SCATTERED SHOWERS AND THUNDERSTORMS.
LOWS IN THE LOWER 50S IN THE VALLEYS AND IN THE UPPER 40S IN THE
MOUNTAINS. HIGHS IN THE LOWER 70S IN THE VALLEYS AND IN THE LOWER
60S IN THE MOUNTAINS. SOUTH WINDS AROUND 15 MPH.
THURSDAY
MOSTLY CLEAR. LOWS IN THE LOWER 50S IN THE VALLEYS
AND IN THE UPPER 40S IN THE MOUNTAINS. HIGHS IN THE MID 70S IN
THE VALLEYS AND IN THE MID 60S IN THE MOUNTAINS. WINDS GENERALLY
LESS THAN 15 MPH.
FRIDAY
MOSTLY CLEAR. ISOLATED SHOWERS AND THUNDERSTORMS. LOWS
IN THE LOWER 50S. HIGHS IN THE MID 70S IN THE VALLEYS AND IN THE
MID 60S IN THE MOUNTAINS. WINDS GENERALLY LESS THAN 15 MPH.
SATURDAY
PARTLY CLOUDY. SCATTERED SHOWERS AND THUNDERSTORMS.
LOWS IN THE MID 50S IN THE VALLEYS AND IN THE LOWER 50S IN THE
MOUNTAINS. HIGHS IN THE MID 70S IN THE VALLEYS AND IN THE LOWER
60S IN THE MOUNTAINS.
SUNDAY
MOSTLY CLOUDY. SCATTERED SHOWERS AND THUNDERSTORMS.
LOWS IN THE UPPER 50S IN THE VALLEYS AND IN THE LOWER 50S IN THE
MOUNTAINS. HIGHS IN THE MID 70S IN THE VALLEYS AND IN THE MID 60S
IN THE MOUNTAINS.
=
UTZ484-010100-
TAVAPUTS PLATEAU-
432 AM MDT MON AUG 31 2026
TODAY
SKY/WEATHER.........PARTLY SUNNY (65-75% CLOUD COVER) UNTIL 1200,
THEN CLOUDY (85-95% CLOUD COVER). ISOLATED
SHOWERS AND THUNDERSTORMS UNTIL 1200, THEN
NUMEROUS SHOWERS AND THUNDERSTORMS.
CHANCE LIGHTNING....10% INCREASING TO 60% IN THE AFTERNOON.
CWR.................50%.
MAX TEMPERATURE.....72-78 NEAR 6000 FEET.
62-68 NEAR 8000 FEET.
24 HR TREND......4 DEGREES WARMER.
MIN HUMIDITY........56-66% NEAR 6000 FEET.
60-70% NEAR 8000 FEET.
24 HR TREND......1% WETTER.
20-FOOT WINDS.......SOUTH WINDS AROUND 5 MPH.
12K FT MSL WINDS....SOUTHWEST AROUND 15 MPH.
MIXING HEIGHT.......4900 FT AGL (30-40TH PERCENTILE).
CLEARING INDEX......530.
TONIGHT
SKY/WEATHER.........CLOUDY (85-95% CLOUD COVER). RAIN SHOWERS AND
SCATTERED THUNDERSTORMS UNTIL 2400, THEN
SCATTERED RAIN SHOWERS AND ISOLATED
THUNDERSTORMS.
CHANCE LIGHTNING....40% DECREASING TO 10% AFTER MIDNIGHT.
CWR.................60%.
MIN TEMPERATURE.....49-56 NEAR 6000 FEET.
44-52 NEAR 8000 FEET.
24 HR TREND......2 DEGREES COOLER.
MAX HUMIDITY........83-93%.
24 HR TREND......9% WETTER.
20-FOOT WINDS.......SOUTHWEST WINDS AROUND 5 MPH.
12K FT MSL WINDS....SOUTHWEST AROUND 15 MPH.
TUESDAY
SKY/WEATHER.........MOSTLY CLOUDY (70-80% CLOUD COVER). ISOLATED
RAIN SHOWERS UNTIL 1200. SCATTERED SHOWERS AND
THUNDERSTORMS AFTER 1200.
CHANCE LIGHTNING....10% INCREASING TO 40% IN THE AFTERNOON.
CWR.................10%.
MAX TEMPERATURE.....72-79 NEAR 6000 FEET.
61-67 NEAR 8000 FEET.
24 HR TREND......UNCHANGED.
MIN HUMIDITY........48-58% NEAR 6000 FEET.
55-65% NEAR 8000 FEET.
24 HR TREND......6% DRIER.
20-FOOT WINDS.......SOUTH WINDS 5 TO 10 MPH. GUSTS UP TO 25 MPH IN
THE AFTERNOON.
12K FT MSL WINDS....SOUTHWEST 15-20 MPH.
MIXING HEIGHT.......7700 FT AGL (40-50TH PERCENTILE).
CLEARING INDEX......890.
FORECAST DAYS 3 THROUGH 7
WEDNESDAY
MOSTLY CLEAR. SCATTERED SHOWERS AND THUNDERSTORMS.
LOWS IN THE MID 50S IN THE VALLEYS AND IN THE UPPER 40S IN THE
MOUNTAINS. HIGHS IN THE UPPER 70S IN THE VALLEYS AND IN THE MID
60S IN THE MOUNTAINS. SOUTH WINDS AROUND 15 MPH.
THURSDAY
MOSTLY CLEAR. LOWS IN THE MID 50S IN THE VALLEYS AND
IN THE UPPER 40S IN THE MOUNTAINS. HIGHS IN THE UPPER 70S IN THE
VALLEYS AND IN THE UPPER 60S IN THE MOUNTAINS. WINDS GENERALLY
LESS THAN 15 MPH.
FRIDAY
MOSTLY CLEAR. ISOLATED SHOWERS AND THUNDERSTORMS. LOWS
IN THE MID 50S IN THE VALLEYS AND IN THE LOWER 50S IN THE
MOUNTAINS. HIGHS AROUND 80 IN THE VALLEYS AND IN THE LOWER 70S IN
THE MOUNTAINS. WINDS GENERALLY LESS THAN 15 MPH.
SATURDAY
PARTLY CLOUDY. SCATTERED SHOWERS AND THUNDERSTORMS.
LOWS IN THE UPPER 50S IN THE VALLEYS AND IN THE LOWER 50S IN THE
MOUNTAINS. HIGHS IN THE UPPER 70S IN THE VALLEYS AND IN THE UPPER
60S IN THE MOUNTAINS.
SUNDAY
MOSTLY CLOUDY. SCATTERED SHOWERS AND THUNDERSTORMS.
LOWS IN THE UPPER 50S IN THE VALLEYS AND IN THE MID 50S IN THE
MOUNTAINS. HIGHS AROUND 80 IN THE VALLEYS AND IN THE LOWER 70S IN
THE MOUNTAINS.
=
UTZ488-010100-
MANTI NATIONAL FOREST-
432 AM MDT MON AUG 31 2026
..FLOOD WATCH IN EFFECT THROUGH THIS EVENING
TODAY
SKY/WEATHER.........PARTLY SUNNY (55-65% CLOUD COVER) UNTIL 1200,
THEN CLOUDY (85-95% CLOUD COVER). ISOLATED
SHOWERS AND THUNDERSTORMS UNTIL 1200, THEN RAIN
SHOWERS AND SCATTERED THUNDERSTORMS.
CHANCE LIGHTNING....10% INCREASING TO 60% IN THE AFTERNOON.
CWR.................70%.
MAX TEMPERATURE.....67-77 NEAR 6500 FEET.
58-68 NEAR 8500 FEET.
24 HR TREND......UNCHANGED.
MIN HUMIDITY........50-60% NEAR 6500 FEET.
59-69% NEAR 8500 FEET.
24 HR TREND......3% DRIER NEAR 6500 FEET.
7% WETTER NEAR 8500 FEET.
20-FOOT WINDS.......SOUTH WINDS 5 TO 10 MPH.
12K FT MSL WINDS....SOUTHWEST AROUND 15 MPH.
MIXING HEIGHT.......5800 FT AGL (30-40TH PERCENTILE).
CLEARING INDEX......440.
TONIGHT
SKY/WEATHER.........MOSTLY CLOUDY (75-85% CLOUD COVER). RAIN
SHOWERS AND SCATTERED THUNDERSTORMS UNTIL 2400,
THEN SCATTERED RAIN SHOWERS.
CHANCE LIGHTNING....40% DECREASING TO 10% AFTER MIDNIGHT.
CWR.................30%.
MIN TEMPERATURE.....44-54 NEAR 6500 FEET.
38-48 NEAR 8500 FEET.
24 HR TREND......3 DEGREES COOLER.
MAX HUMIDITY........78-88%.
24 HR TREND......11% WETTER.
20-FOOT WINDS.......SOUTH WINDS 5 TO 10 MPH.
12K FT MSL WINDS....SOUTHWEST AROUND 10 MPH BECOMING AROUND 20 MPH
AFTER MIDNIGHT.
TUESDAY
SKY/WEATHER.........MOSTLY CLOUDY (70-80% CLOUD COVER). SCATTERED
SHOWERS AND THUNDERSTORMS AFTER 1200.
CHANCE LIGHTNING....10% INCREASING TO 40% IN THE AFTERNOON.
CWR.................40%.
MAX TEMPERATURE.....67-77 NEAR 6500 FEET.
57-67 NEAR 8500 FEET.
24 HR TREND......UNCHANGED.
MIN HUMIDITY........45-55% NEAR 6500 FEET.
55-65% NEAR 8500 FEET.
24 HR TREND......4% DRIER.
20-FOOT WINDS.......SOUTH WINDS AROUND 10 MPH.
12K FT MSL WINDS....SOUTHWEST AROUND 20 MPH.
MIXING HEIGHT.......8000 FT AGL (50-60TH PERCENTILE).
CLEARING INDEX......760.
FORECAST DAYS 3 THROUGH 7
WEDNESDAY
MOSTLY CLEAR. LOWS AROUND 50 IN THE VALLEYS AND IN
THE MID 40S IN THE MOUNTAINS. HIGHS IN THE LOWER 70S IN THE
VALLEYS AND IN THE MID 60S IN THE MOUNTAINS. SOUTH WINDS AROUND
15 MPH.
THURSDAY
MOSTLY CLEAR. LOWS AROUND 50 IN THE VALLEYS AND IN
THE MID 40S IN THE MOUNTAINS. HIGHS IN THE MID 70S IN THE VALLEYS
AND IN THE MID 60S IN THE MOUNTAINS. WINDS GENERALLY LESS THAN
15 MPH.
FRIDAY
MOSTLY CLEAR. ISOLATED SHOWERS AND THUNDERSTORMS. LOWS
IN THE LOWER 50S IN THE VALLEYS AND IN THE UPPER 40S IN THE
MOUNTAINS. HIGHS IN THE MID 70S IN THE VALLEYS AND IN THE UPPER
60S IN THE MOUNTAINS. WINDS GENERALLY LESS THAN 15 MPH.
SATURDAY
PARTLY CLOUDY. SCATTERED SHOWERS AND THUNDERSTORMS.
LOWS IN THE MID 50S IN THE VALLEYS AND IN THE UPPER 40S IN THE
MOUNTAINS. HIGHS IN THE MID 70S IN THE VALLEYS AND IN THE MID 60S
IN THE MOUNTAINS.
SUNDAY
MOSTLY CLOUDY. SCATTERED SHOWERS AND THUNDERSTORMS.
LOWS IN THE MID 50S IN THE VALLEYS AND AROUND 50 IN THE
MOUNTAINS. HIGHS IN THE MID 70S IN THE VALLEYS AND IN THE MID 60S
IN THE MOUNTAINS.
=
UTZ489-010100-
SAN RAFAEL SWELL-
432 AM MDT MON AUG 31 2026
..FLOOD WATCH IN EFFECT THROUGH THIS EVENING
TODAY
SKY/WEATHER.........MOSTLY CLOUDY (75-85% CLOUD COVER). ISOLATED
SHOWERS AND THUNDERSTORMS UNTIL 1200, THEN
NUMEROUS RAIN SHOWERS AND SCATTERED
THUNDERSTORMS.
CHANCE LIGHTNING....10% INCREASING TO 60% IN THE AFTERNOON.
CWR.................60%.
MAX TEMPERATURE.....75-81 NEAR 5000 FEET.
65-71 NEAR 7000 FEET.
24 HR TREND......4 DEGREES WARMER.
MIN HUMIDITY........48-55% NEAR 5000 FEET.
57-67% NEAR 7000 FEET.
24 HR TREND......UNCHANGED.
20-FOOT WINDS.......EAST WINDS AROUND 5 MPH BECOMING SOUTH IN THE
AFTERNOON.
12K FT MSL WINDS....SOUTHWEST AROUND 15 MPH.
MIXING HEIGHT.......4900 FT AGL (30-40TH PERCENTILE).
CLEARING INDEX......570.
TONIGHT
SKY/WEATHER.........MOSTLY CLOUDY (75-85% CLOUD COVER). NUMEROUS
RAIN SHOWERS AND SCATTERED THUNDERSTORMS UNTIL
2400, THEN SCATTERED RAIN SHOWERS.
CHANCE LIGHTNING....40% DECREASING TO 10% AFTER MIDNIGHT.
CWR.................50%.
MIN TEMPERATURE.....48-58.
24 HR TREND......4 DEGREES COOLER.
MAX HUMIDITY........82-92%.
24 HR TREND......11% WETTER.
20-FOOT WINDS.......SOUTHEAST WINDS AROUND 5 MPH.
12K FT MSL WINDS....SOUTHWEST AROUND 10 MPH BECOMING WEST AROUND 20
MPH AFTER MIDNIGHT.
TUESDAY
SKY/WEATHER.........MOSTLY CLOUDY (70-80% CLOUD COVER). SCATTERED
SHOWERS AND THUNDERSTORMS AFTER 1200.
CHANCE LIGHTNING....10% INCREASING TO 40% IN THE AFTERNOON.
CWR.................10%.
MAX TEMPERATURE.....77-84 NEAR 5000 FEET.
66-72 NEAR 7000 FEET.
24 HR TREND......2 DEGREES WARMER.
MIN HUMIDITY........40-50% NEAR 5000 FEET.
52-62% NEAR 7000 FEET.
24 HR TREND......8% DRIER.
20-FOOT WINDS.......SOUTHEAST WINDS 5 TO 10 MPH. GUSTS UP TO 25 MPH
IN THE AFTERNOON.
12K FT MSL WINDS....SOUTHWEST 15-20 MPH.
MIXING HEIGHT.......8200 FT AGL (40-50TH PERCENTILE).
CLEARING INDEX......840.
FORECAST DAYS 3 THROUGH 7
WEDNESDAY
MOSTLY CLEAR. LOWS IN THE MID 50S. HIGHS IN THE
LOWER 80S IN THE VALLEYS AND IN THE LOWER 70S IN THE MOUNTAINS.
SOUTH WINDS AROUND 15 MPH.
THURSDAY
MOSTLY CLEAR. LOWS IN THE MID 50S IN THE VALLEYS AND
IN THE LOWER 50S IN THE MOUNTAINS. HIGHS IN THE MID 80S IN THE
VALLEYS AND IN THE MID 70S IN THE MOUNTAINS. SOUTHWEST WINDS
AROUND 15 MPH.
FRIDAY
MOSTLY CLEAR. LOWS IN THE MID 50S. HIGHS IN THE UPPER
80S IN THE VALLEYS AND IN THE UPPER 70S IN THE MOUNTAINS. SOUTH
WINDS AROUND 15 MPH.
SATURDAY
PARTLY CLOUDY. SCATTERED SHOWERS AND THUNDERSTORMS.
LOWS IN THE UPPER 50S. HIGHS IN THE MID 80S IN THE VALLEYS AND IN
THE MID 70S IN THE MOUNTAINS.
SUNDAY
MOSTLY CLOUDY. SCATTERED SHOWERS AND THUNDERSTORMS.
LOWS IN THE UPPER 50S. HIGHS IN THE UPPER 80S IN THE VALLEYS AND
IN THE MID 70S IN THE MOUNTAINS.
=
UTZ492-010100-
CENTRAL UTAH WEST DESERT-
432 AM MDT MON AUG 31 2026
..FLOOD WATCH IN EFFECT THROUGH THIS EVENING
TODAY
SKY/WEATHER.........PARTLY SUNNY (65-75% CLOUD COVER). SCATTERED
SHOWERS AND THUNDERSTORMS AFTER 1200.
CHANCE LIGHTNING....10% INCREASING TO 50% IN THE AFTERNOON.
CWR.................40%.
MAX TEMPERATURE.....78-84 NEAR 5000 FEET.
63-69 NEAR 8000 FEET.
24 HR TREND......1 DEGREE COOLER.
MIN HUMIDITY........34-44% NEAR 5000 FEET.
48-58% NEAR 8000 FEET.
24 HR TREND......7% WETTER.
20-FOOT WINDS.......SOUTH WINDS 10 TO 15 MPH. GUSTS UP TO 25 MPH IN
THE AFTERNOON.
12K FT MSL WINDS....SOUTHWEST AROUND 20 MPH.
MIXING HEIGHT.......8500 FT AGL (50-60TH PERCENTILE).
CLEARING INDEX......1000+.
TONIGHT
SKY/WEATHER.........MOSTLY CLOUDY (75-85% CLOUD COVER) UNTIL 2400,
THEN PARTLY CLOUDY (30-40% CLOUD COVER).
SCATTERED SHOWERS AND THUNDERSTORMS UNTIL 2400.
CHANCE LIGHTNING....40% DECREASING TO 10% AFTER MIDNIGHT.
CWR.................10%.
MIN TEMPERATURE.....48-58 NEAR 5000 FEET.
43-53 NEAR 8000 FEET.
24 HR TREND......3 DEGREES COOLER.
MAX HUMIDITY........69-79% NEAR 5000 FEET.
75-85% NEAR 8000 FEET.
24 HR TREND......7% WETTER.
20-FOOT WINDS.......SOUTH WINDS AROUND 10 MPH. GUSTS UP TO 25 MPH
IN THE EVENING.
12K FT MSL WINDS....SOUTHWEST AROUND 25 MPH.
TUESDAY
SKY/WEATHER.........PARTLY CLOUDY (35-45% CLOUD COVER). ISOLATED
SHOWERS AND THUNDERSTORMS AFTER 1200.
CHANCE LIGHTNING....0% INCREASING TO 20% IN THE AFTERNOON.
CWR.................0%.
MAX TEMPERATURE.....79-85 NEAR 5000 FEET.
64-70 NEAR 8000 FEET.
24 HR TREND......1 DEGREE WARMER.
MIN HUMIDITY........23-33% NEAR 5000 FEET.
33-43% NEAR 8000 FEET.
24 HR TREND......11% DRIER.
20-FOOT WINDS.......SOUTH WINDS AROUND 15 MPH BECOMING AROUND 25
MPH IN THE AFTERNOON. GUSTS UP TO 35 MPH.
12K FT MSL WINDS....SOUTHWEST 30-35 MPH.
MIXING HEIGHT.......11600 FT AGL (70-80TH PERCENTILE).
CLEARING INDEX......1000+.
FORECAST DAYS 3 THROUGH 7
WEDNESDAY
MOSTLY CLEAR. LOWS IN THE MID 50S IN THE VALLEYS AND
IN THE LOWER 50S IN THE MOUNTAINS. HIGHS IN THE LOWER 80S IN THE
VALLEYS AND IN THE UPPER 60S IN THE MOUNTAINS. SOUTH WINDS AROUND
20 MPH.
THURSDAY
MOSTLY CLEAR. LOWS IN THE MID 50S IN THE VALLEYS AND
AROUND 50 IN THE MOUNTAINS. HIGHS IN THE MID 80S IN THE VALLEYS
AND IN THE UPPER 60S IN THE MOUNTAINS. SOUTH WINDS AROUND 20 MPH.
FRIDAY
BREEZY. MOSTLY CLEAR. LOWS IN THE MID 50S IN THE
VALLEYS AND IN THE LOWER 50S IN THE MOUNTAINS. HIGHS IN THE MID
80S IN THE VALLEYS AND IN THE LOWER 70S IN THE MOUNTAINS. SOUTH
WINDS AROUND 25 MPH.
SATURDAY
PARTLY CLOUDY. SCATTERED SHOWERS AND THUNDERSTORMS.
LOWS IN THE UPPER 50S IN THE VALLEYS AND IN THE LOWER 50S IN THE
MOUNTAINS. HIGHS IN THE MID 80S IN THE VALLEYS AND IN THE UPPER
60S IN THE MOUNTAINS.
SUNDAY
MOSTLY CLOUDY. SCATTERED SHOWERS AND THUNDERSTORMS.
LOWS IN THE UPPER 50S IN THE VALLEYS AND IN THE MID 50S IN THE
MOUNTAINS. HIGHS IN THE LOWER 80S IN THE VALLEYS AND IN THE UPPER
60S IN THE MOUNTAINS.
=
UTZ493-010100-
CENTRAL UTAH MOUNTAINS-
432 AM MDT MON AUG 31 2026
..FLOOD WATCH IN EFFECT THROUGH THIS EVENING
TODAY
SKY/WEATHER.........PARTLY SUNNY (60-70% CLOUD COVER) UNTIL 1200,
THEN CLOUDY (90-100% CLOUD COVER). SCATTERED
RAIN SHOWERS AND ISOLATED THUNDERSTORMS UNTIL
1200, THEN RAIN SHOWERS AND SCATTERED
THUNDERSTORMS.
CHANCE LIGHTNING....20% INCREASING TO 50% IN THE AFTERNOON.
CWR.................80%.
MAX TEMPERATURE.....77-83 NEAR 5000 FEET.
62-70 NEAR 8000 FEET.
24 HR TREND......2 DEGREES COOLER.
MIN HUMIDITY........45-51% NEAR 5000 FEET.
52-62% NEAR 8000 FEET.
24 HR TREND......1% WETTER NEAR 5000 FEET.
8% WETTER NEAR 8000 FEET.
20-FOOT WINDS.......SOUTH WINDS 5 TO 10 MPH.
12K FT MSL WINDS....SOUTHWEST AROUND 15 MPH.
MIXING HEIGHT.......6700 FT AGL (40-50TH PERCENTILE).
CLEARING INDEX......760.
TONIGHT
SKY/WEATHER.........MOSTLY CLOUDY (75-85% CLOUD COVER) UNTIL 2400,
THEN PARTLY CLOUDY (40-50% CLOUD COVER).
SCATTERED SHOWERS AND THUNDERSTORMS UNTIL 2400.
CHANCE LIGHTNING....30% DECREASING TO 10% AFTER MIDNIGHT.
CWR.................20%.
MIN TEMPERATURE.....45-51 NEAR 5000 FEET.
40-50 NEAR 8000 FEET.
24 HR TREND......3 DEGREES COOLER.
MAX HUMIDITY........82-92% NEAR 5000 FEET.
78-88% NEAR 8000 FEET.
24 HR TREND......10% WETTER.
20-FOOT WINDS.......SOUTH WINDS AROUND 10 MPH.
12K FT MSL WINDS....SOUTHWEST AROUND 20 MPH.
TUESDAY
SKY/WEATHER.........PARTLY CLOUDY (40-50% CLOUD COVER) UNTIL 1200,
THEN PARTLY SUNNY (55-65% CLOUD COVER).
SCATTERED SHOWERS AND THUNDERSTORMS AFTER 1200.
CHANCE LIGHTNING....0% INCREASING TO 30% IN THE AFTERNOON.
CWR.................10%.
MAX TEMPERATURE.....78-84 NEAR 5000 FEET.
64-71 NEAR 8000 FEET.
24 HR TREND......2 DEGREES WARMER.
MIN HUMIDITY........29-35% NEAR 5000 FEET.
38-48% NEAR 8000 FEET.
24 HR TREND......15% DRIER.
20-FOOT WINDS.......SOUTH WINDS 10 TO 15 MPH WITH GUSTS TO AROUND
30 MPH.
12K FT MSL WINDS....SOUTHWEST 20-25 MPH.
MIXING HEIGHT.......10000 FT AGL (70-80TH PERCENTILE).
CLEARING INDEX......1000+.
FORECAST DAYS 3 THROUGH 7
WEDNESDAY
MOSTLY CLEAR. LOWS IN THE UPPER 40S. HIGHS IN THE
LOWER 80S IN THE VALLEYS AND AROUND 70 IN THE MOUNTAINS. SOUTH
WINDS AROUND 20 MPH.
THURSDAY
MOSTLY CLEAR. LOWS IN THE UPPER 40S. HIGHS IN THE MID
80S IN THE VALLEYS AND IN THE LOWER 70S IN THE MOUNTAINS.
SOUTHWEST WINDS AROUND 15 MPH.
FRIDAY
MOSTLY CLEAR. ISOLATED SHOWERS AND THUNDERSTORMS. LOWS
AROUND 50. HIGHS IN THE MID 80S IN THE VALLEYS AND IN THE LOWER
70S IN THE MOUNTAINS. SOUTH WINDS AROUND 15 MPH.
SATURDAY
PARTLY CLOUDY. SCATTERED SHOWERS AND THUNDERSTORMS.
LOWS IN THE LOWER 50S. HIGHS IN THE LOWER 80S IN THE VALLEYS AND
AROUND 70 IN THE MOUNTAINS.
SUNDAY
MOSTLY CLOUDY. SCATTERED SHOWERS AND THUNDERSTORMS.
LOWS IN THE LOWER 50S. HIGHS IN THE MID 80S IN THE VALLEYS AND IN
THE LOWER 70S IN THE MOUNTAINS.
=
UTZ494-010100-
HENRY MOUNTAINS-
432 AM MDT MON AUG 31 2026
..FLOOD WATCH IN EFFECT THROUGH THIS EVENING
TODAY
SKY/WEATHER.........MOSTLY CLOUDY (80-90% CLOUD COVER). SCATTERED
RAIN SHOWERS AND ISOLATED THUNDERSTORMS UNTIL
1200, THEN NUMEROUS RAIN SHOWERS AND SCATTERED
THUNDERSTORMS.
CHANCE LIGHTNING....20% INCREASING TO 50% IN THE AFTERNOON.
CWR.................60%.
MAX TEMPERATURE.....73-79 NEAR 5000 FEET.
59-68 NEAR 8000 FEET.
24 HR TREND......9 DEGREES COOLER.
MIN HUMIDITY........45-54% NEAR 5000 FEET.
64-74% NEAR 8000 FEET.
24 HR TREND......23% WETTER NEAR 5000 FEET.
29% WETTER NEAR 8000 FEET.
20-FOOT WINDS.......SOUTH WINDS 5 TO 10 MPH.
12K FT MSL WINDS....SOUTHWEST 10-15 MPH.
MIXING HEIGHT.......4600 FT AGL (20-30TH PERCENTILE).
CLEARING INDEX......600.
TONIGHT
SKY/WEATHER.........MOSTLY CLOUDY (65-75% CLOUD COVER). SCATTERED
SHOWERS AND THUNDERSTORMS UNTIL 2400.
CHANCE LIGHTNING....30% DECREASING TO 10% AFTER MIDNIGHT.
CWR.................30%.
MIN TEMPERATURE.....50-59 NEAR 5000 FEET.
48-54 NEAR 8000 FEET.
24 HR TREND......5 DEGREES COOLER.
MAX HUMIDITY........78-88%.
24 HR TREND......11% WETTER.
20-FOOT WINDS.......SOUTH WINDS 5 TO 10 MPH.
12K FT MSL WINDS....WEST 10-15 MPH.
TUESDAY
SKY/WEATHER.........PARTLY CLOUDY (40-50% CLOUD COVER) UNTIL 1200,
THEN PARTLY SUNNY (50-60% CLOUD COVER).
ISOLATED SHOWERS AND THUNDERSTORMS AFTER 1200.
CHANCE LIGHTNING....0% INCREASING TO 30% IN THE AFTERNOON.
CWR.................10%.
MAX TEMPERATURE.....77-83 NEAR 5000 FEET.
62-72 NEAR 8000 FEET.
24 HR TREND......4 DEGREES WARMER.
MIN HUMIDITY........32-40% NEAR 5000 FEET.
48-58% NEAR 8000 FEET.
24 HR TREND......14% DRIER.
20-FOOT WINDS.......SOUTH WINDS AROUND 5 MPH BECOMING AROUND 15 MPH
IN THE AFTERNOON.
12K FT MSL WINDS....SOUTHWEST 20-25 MPH.
MIXING HEIGHT.......8400 FT AGL (40-50TH PERCENTILE).
CLEARING INDEX......1000+.
FORECAST DAYS 3 THROUGH 7
WEDNESDAY
MOSTLY CLEAR. LOWS IN THE MID 50S. HIGHS IN THE
LOWER 80S IN THE VALLEYS AND IN THE UPPER 60S IN THE MOUNTAINS.
SOUTH WINDS AROUND 20 MPH.
THURSDAY
CLEAR. LOWS IN THE UPPER 50S. HIGHS IN THE MID 80S IN
THE VALLEYS AND AROUND 70 IN THE MOUNTAINS. SOUTHWEST WINDS
AROUND 20 MPH.
FRIDAY
MOSTLY CLEAR. LOWS IN THE UPPER 50S. HIGHS IN THE UPPER
80S IN THE VALLEYS AND IN THE LOWER 70S IN THE MOUNTAINS. SOUTH
WINDS AROUND 15 MPH.
SATURDAY
PARTLY CLOUDY. ISOLATED SHOWERS AND THUNDERSTORMS.
LOWS IN THE LOWER 60S IN THE VALLEYS AND IN THE UPPER 50S IN THE
MOUNTAINS. HIGHS IN THE MID 80S IN THE VALLEYS AND IN THE LOWER
70S IN THE MOUNTAINS.
SUNDAY
PARTLY CLOUDY. ISOLATED SHOWERS AND THUNDERSTORMS. LOWS
IN THE LOWER 60S IN THE VALLEYS AND IN THE UPPER 50S IN THE
MOUNTAINS. HIGHS IN THE UPPER 80S IN THE VALLEYS AND IN THE LOWER
70S IN THE MOUNTAINS.
=
UTZ495-010100-
COLOR COUNTRY WEST DESERT-
432 AM MDT MON AUG 31 2026
..FLOOD WATCH IN EFFECT THROUGH THIS EVENING
TODAY
SKY/WEATHER.........MOSTLY CLOUDY (70-80% CLOUD COVER). ISOLATED
THUNDERSTORMS UNTIL 1200. SCATTERED RAIN
SHOWERS. SCATTERED THUNDERSTORMS AFTER 1200.
CHANCE LIGHTNING....20% INCREASING TO 50% IN THE AFTERNOON.
CWR.................40%.
MAX TEMPERATURE.....77-83 NEAR 5000 FEET.
68-74 NEAR 7000 FEET.
24 HR TREND......7 DEGREES COOLER.
MIN HUMIDITY........38-48% NEAR 5000 FEET.
44-54% NEAR 7000 FEET.
24 HR TREND......26% WETTER.
20-FOOT WINDS.......SOUTH WINDS 10 TO 15 MPH.
12K FT MSL WINDS....SOUTHWEST 20-25 MPH.
MIXING HEIGHT.......8000 FT AGL (40-50TH PERCENTILE).
CLEARING INDEX......1000+.
TONIGHT
SKY/WEATHER.........MOSTLY CLOUDY (60-70% CLOUD COVER) UNTIL 2400,
THEN PARTLY CLOUDY (25-35% CLOUD COVER).
SCATTERED RAIN SHOWERS AND ISOLATED
THUNDERSTORMS UNTIL 2400.
CHANCE LIGHTNING....20% DECREASING TO 10% AFTER MIDNIGHT.
CWR.................10%.
MIN TEMPERATURE.....46-56.
24 HR TREND......4 DEGREES COOLER.
MAX HUMIDITY........79-89% NEAR 5000 FEET.
70-80% NEAR 7000 FEET.
24 HR TREND......15% WETTER.
20-FOOT WINDS.......SOUTH WINDS AROUND 10 MPH.
12K FT MSL WINDS....SOUTHWEST AROUND 30 MPH.
TUESDAY
SKY/WEATHER.........PARTLY CLOUDY (25-35% CLOUD COVER) UNTIL 1200,
THEN SUNNY (15-25% CLOUD COVER).
CHANCE LIGHTNING....10%.
CWR.................0%.
MAX TEMPERATURE.....78-84 NEAR 5000 FEET.
69-75 NEAR 7000 FEET.
24 HR TREND......UNCHANGED.
MIN HUMIDITY........26-36%.
24 HR TREND......18% DRIER.
20-FOOT WINDS.......SOUTH WINDS AROUND 20 MPH WITH GUSTS TO AROUND
35 MPH.
12K FT MSL WINDS....SOUTHWEST 40-45 MPH.
MIXING HEIGHT.......9900 FT AGL (60-70TH PERCENTILE).
CLEARING INDEX......1000+.
FORECAST DAYS 3 THROUGH 7
WEDNESDAY
MOSTLY CLEAR. LOWS AROUND 50 IN THE VALLEYS AND IN
THE MID 50S IN THE MOUNTAINS. HIGHS IN THE LOWER 80S IN THE
VALLEYS AND IN THE LOWER 70S IN THE MOUNTAINS. SOUTH WINDS AROUND
20 MPH.
THURSDAY
CLEAR. LOWS IN THE UPPER 40S IN THE VALLEYS AND IN
THE LOWER 50S IN THE MOUNTAINS. HIGHS IN THE LOWER 80S IN THE
VALLEYS AND IN THE MID 70S IN THE MOUNTAINS. SOUTH WINDS AROUND
20 MPH.
FRIDAY
BREEZY. MOSTLY CLEAR. LOWS IN THE LOWER 50S IN THE
VALLEYS AND IN THE MID 50S IN THE MOUNTAINS. HIGHS IN THE MID 80S
IN THE VALLEYS AND IN THE MID 70S IN THE MOUNTAINS. SOUTH WINDS
AROUND 25 MPH.
SATURDAY
PARTLY CLOUDY. SCATTERED SHOWERS AND THUNDERSTORMS.
LOWS IN THE LOWER 50S IN THE VALLEYS AND IN THE UPPER 50S IN THE
MOUNTAINS. HIGHS IN THE LOWER 80S IN THE VALLEYS AND IN THE LOWER
70S IN THE MOUNTAINS.
SUNDAY
MOSTLY CLOUDY. SCATTERED SHOWERS AND THUNDERSTORMS.
LOWS IN THE LOWER 50S IN THE VALLEYS AND IN THE UPPER 50S IN THE
MOUNTAINS. HIGHS IN THE LOWER 80S IN THE VALLEYS AND IN THE MID
70S IN THE MOUNTAINS.
=
UTZ496-010100-
COLOR COUNTRY MOUNTAINS-
432 AM MDT MON AUG 31 2026
..FLOOD WATCH IN EFFECT THROUGH THIS EVENING
TODAY
SKY/WEATHER.........CLOUDY (85-95% CLOUD COVER). SCATTERED RAIN
SHOWERS AND ISOLATED THUNDERSTORMS UNTIL 1200,
THEN RAIN SHOWERS WITH NUMEROUS THUNDERSTORMS.
CHANCE LIGHTNING....30% INCREASING TO 60% IN THE AFTERNOON.
CWR.................90%.
MAX TEMPERATURE.....70-78 NEAR 6000 FEET.
61-68 NEAR 8000 FEET.
24 HR TREND......7 DEGREES COOLER.
MIN HUMIDITY........53-63% NEAR 6000 FEET.
64-74% NEAR 8000 FEET.
24 HR TREND......27% WETTER NEAR 6000 FEET.
33% WETTER NEAR 8000 FEET.
20-FOOT WINDS.......SOUTH WINDS AROUND 10 MPH.
12K FT MSL WINDS....SOUTHWEST AROUND 20 MPH.
MIXING HEIGHT.......6000 FT AGL (30-40TH PERCENTILE).
CLEARING INDEX......640.
TONIGHT
SKY/WEATHER.........MOSTLY CLOUDY (70-80% CLOUD COVER) UNTIL 2400,
THEN PARTLY CLOUDY (35-45% CLOUD COVER).
SCATTERED SHOWERS AND THUNDERSTORMS UNTIL 2400.
CHANCE LIGHTNING....30% DECREASING TO 10% AFTER MIDNIGHT.
CWR.................20%.
MIN TEMPERATURE.....46-56 NEAR 6000 FEET.
42-52 NEAR 8000 FEET.
24 HR TREND......4 DEGREES COOLER.
MAX HUMIDITY........76-86%.
24 HR TREND......9% WETTER.
20-FOOT WINDS.......SOUTH WINDS AROUND 10 MPH.
12K FT MSL WINDS....SOUTHWEST 20-25 MPH.
TUESDAY
SKY/WEATHER.........PARTLY SUNNY (50-60% CLOUD COVER). SCATTERED
RAIN SHOWERS. SCATTERED THUNDERSTORMS AFTER
1200.
CHANCE LIGHTNING....10% INCREASING TO 30% IN THE AFTERNOON.
CWR.................20%.
MAX TEMPERATURE.....71-78 NEAR 6000 FEET.
63-69 NEAR 8000 FEET.
24 HR TREND......2 DEGREES WARMER.
MIN HUMIDITY........35-45% NEAR 6000 FEET.
43-53% NEAR 8000 FEET.
24 HR TREND......20% DRIER.
20-FOOT WINDS.......SOUTH WINDS AROUND 15 MPH WITH GUSTS TO AROUND
35 MPH.
12K FT MSL WINDS....SOUTHWEST 30-35 MPH.
MIXING HEIGHT.......8900 FT AGL (50-60TH PERCENTILE).
CLEARING INDEX......1000+.
FORECAST DAYS 3 THROUGH 7
WEDNESDAY
MOSTLY CLEAR. LOWS IN THE LOWER 50S IN THE VALLEYS
AND IN THE UPPER 40S IN THE MOUNTAINS. HIGHS IN THE UPPER 70S IN
THE VALLEYS AND IN THE UPPER 60S IN THE MOUNTAINS. SOUTH WINDS
AROUND 20 MPH.
THURSDAY
CLEAR. LOWS IN THE LOWER 50S IN THE VALLEYS AND IN
THE UPPER 40S IN THE MOUNTAINS. HIGHS IN THE UPPER 70S IN THE
VALLEYS AND IN THE UPPER 60S IN THE MOUNTAINS. SOUTHWEST WINDS
AROUND 15 MPH.
FRIDAY
MOSTLY CLEAR. SCATTERED SHOWERS AND THUNDERSTORMS. LOWS
IN THE MID 50S IN THE VALLEYS AND IN THE UPPER 40S IN THE
MOUNTAINS. HIGHS IN THE UPPER 70S IN THE VALLEYS AND IN THE UPPER
60S IN THE MOUNTAINS. SOUTH WINDS AROUND 15 MPH.
SATURDAY
PARTLY CLOUDY. SCATTERED SHOWERS AND THUNDERSTORMS.
LOWS IN THE UPPER 50S IN THE VALLEYS AND AROUND 50 IN THE
MOUNTAINS. HIGHS IN THE UPPER 70S IN THE VALLEYS AND IN THE UPPER
60S IN THE MOUNTAINS.
SUNDAY
MOSTLY CLOUDY. SCATTERED SHOWERS AND THUNDERSTORMS.
LOWS IN THE UPPER 50S IN THE VALLEYS AND IN THE LOWER 50S IN THE
MOUNTAINS. HIGHS IN THE UPPER 70S IN THE VALLEYS AND AROUND 70 IN
THE MOUNTAINS.
=
UTZ497-010100-
MOJAVE DESERT-
432 AM MDT MON AUG 31 2026
..FLOOD WATCH IN EFFECT THROUGH THIS EVENING
TODAY
SKY/WEATHER.........MOSTLY CLOUDY (80-90% CLOUD COVER). ISOLATED
THUNDERSTORMS UNTIL 1200. SCATTERED RAIN
SHOWERS. SCATTERED THUNDERSTORMS AFTER 1200.
CHANCE LIGHTNING....30% INCREASING TO 50% IN THE AFTERNOON.
CWR.................70%.
MAX TEMPERATURE.....83-89 NEAR 3000 FEET.
69-76 NEAR 6000 FEET.
24 HR TREND......9 DEGREES COOLER.
MIN HUMIDITY........43-53% NEAR 3000 FEET.
57-67% NEAR 6000 FEET.
24 HR TREND......29% WETTER NEAR 3000 FEET.
36% WETTER NEAR 6000 FEET.
20-FOOT WINDS.......EAST WINDS AROUND 10 MPH.
12K FT MSL WINDS....SOUTHWEST 25-30 MPH.
MIXING HEIGHT.......6400 FT AGL (20-30TH PERCENTILE).
CLEARING INDEX......820.
TONIGHT
SKY/WEATHER.........MOSTLY CLOUDY (55-65% CLOUD COVER) UNTIL 2400,
THEN PARTLY CLOUDY (45-55% CLOUD COVER).
SCATTERED RAIN SHOWERS AND ISOLATED
THUNDERSTORMS UNTIL 2400, THEN ISOLATED RAIN
SHOWERS.
CHANCE LIGHTNING....30% DECREASING TO 10% AFTER MIDNIGHT.
CWR.................10%.
MIN TEMPERATURE.....63-73 NEAR 3000 FEET.
54-64 NEAR 6000 FEET.
24 HR TREND......4 DEGREES COOLER.
MAX HUMIDITY........61-71% NEAR 3000 FEET.
70-80% NEAR 6000 FEET.
24 HR TREND......9% WETTER.
20-FOOT WINDS.......EAST WINDS AROUND 15 MPH.
12K FT MSL WINDS....SOUTHWEST 25-30 MPH.
TUESDAY
SKY/WEATHER.........PARTLY CLOUDY (35-45% CLOUD COVER). ISOLATED
RAIN SHOWERS. ISOLATED THUNDERSTORMS AFTER
1200.
CHANCE LIGHTNING....10% INCREASING TO 20% IN THE AFTERNOON.
CWR.................10%.
MAX TEMPERATURE.....86-92 NEAR 3000 FEET.
71-79 NEAR 6000 FEET.
24 HR TREND......3 DEGREES WARMER.
MIN HUMIDITY........19-29% NEAR 3000 FEET.
26-36% NEAR 6000 FEET.
24 HR TREND......25% DRIER NEAR 3000 FEET.
32% DRIER NEAR 6000 FEET.
20-FOOT WINDS.......EAST WINDS AROUND 15 MPH BECOMING SOUTHWEST IN
THE AFTERNOON. GUSTS UP TO 30 MPH.
12K FT MSL WINDS....SOUTH 40-45 MPH.
MIXING HEIGHT.......10900 FT AGL (60-70TH PERCENTILE).
CLEARING INDEX......1000+.
FORECAST DAYS 3 THROUGH 7
WEDNESDAY
MOSTLY CLEAR. LOWS IN THE MID 60S IN THE VALLEYS AND
IN THE UPPER 50S IN THE MOUNTAINS. HIGHS AROUND 90 IN THE VALLEYS
AND IN THE MID 70S IN THE MOUNTAINS. SOUTH WINDS AROUND 15 MPH.
THURSDAY
CLEAR. LOWS IN THE MID 60S IN THE VALLEYS AND IN THE
UPPER 50S IN THE MOUNTAINS. HIGHS IN THE LOWER 90S IN THE VALLEYS
AND IN THE UPPER 70S IN THE MOUNTAINS. SOUTH WINDS AROUND 15 MPH.
FRIDAY
MOSTLY CLEAR. ISOLATED SHOWERS AND THUNDERSTORMS. LOWS
IN THE UPPER 60S IN THE VALLEYS AND AROUND 60 IN THE MOUNTAINS.
HIGHS IN THE LOWER 90S IN THE VALLEYS AND IN THE UPPER 70S IN THE
MOUNTAINS. SOUTH WINDS AROUND 15 MPH.
SATURDAY
PARTLY CLOUDY. SCATTERED SHOWERS AND THUNDERSTORMS.
LOWS IN THE LOWER 70S IN THE VALLEYS AND IN THE LOWER 60S IN THE
MOUNTAINS. HIGHS AROUND 90 IN THE VALLEYS AND IN THE MID 70S IN
THE MOUNTAINS.
SUNDAY
MOSTLY CLOUDY. SCATTERED SHOWERS AND THUNDERSTORMS.
LOWS AROUND 70 IN THE VALLEYS AND IN THE LOWER 60S IN THE
MOUNTAINS. HIGHS IN THE LOWER 90S IN THE VALLEYS AND IN THE UPPER
70S IN THE MOUNTAINS.
=
UTZ498-010100-
GRAND STAIRCASE-
432 AM MDT MON AUG 31 2026
..FLOOD WATCH IN EFFECT THROUGH THIS EVENING
TODAY
SKY/WEATHER.........CLOUDY (85-95% CLOUD COVER). SCATTERED RAIN
SHOWERS UNTIL 1200. SCATTERED THUNDERSTORMS.
NUMEROUS RAIN SHOWERS AFTER 1200.
CHANCE LIGHTNING....30% INCREASING TO 60% IN THE AFTERNOON.
CWR.................70%.
MAX TEMPERATURE.....74-84 NEAR 4000 FEET.
69-79 NEAR 6000 FEET.
24 HR TREND......9 DEGREES COOLER.
MIN HUMIDITY........44-54% NEAR 4000 FEET.
59-69% NEAR 6000 FEET.
24 HR TREND......18% WETTER NEAR 4000 FEET.
28% WETTER NEAR 6000 FEET.
20-FOOT WINDS.......SOUTHEAST WINDS AROUND 5 MPH.
12K FT MSL WINDS....SOUTHWEST AROUND 15 MPH.
MIXING HEIGHT.......4900 FT AGL (20-30TH PERCENTILE).
CLEARING INDEX......500.
TONIGHT
SKY/WEATHER.........MOSTLY CLOUDY (80-90% CLOUD COVER) UNTIL 2400,
THEN PARTLY CLOUDY (45-55% CLOUD COVER).
SCATTERED SHOWERS AND THUNDERSTORMS UNTIL 2400.
CHANCE LIGHTNING....30% DECREASING TO 10% AFTER MIDNIGHT.
CWR.................20%.
MIN TEMPERATURE.....55-63 NEAR 4000 FEET.
47-57 NEAR 6000 FEET.
24 HR TREND......5 DEGREES COOLER.
MAX HUMIDITY........69-79% NEAR 4000 FEET.
83-93% NEAR 6000 FEET.
24 HR TREND......12% WETTER.
20-FOOT WINDS.......SOUTHWEST WINDS AROUND 5 MPH BECOMING NORTHEAST
AFTER MIDNIGHT.
12K FT MSL WINDS....SOUTHWEST 15-20 MPH.
TUESDAY
SKY/WEATHER.........PARTLY CLOUDY (40-50% CLOUD COVER) UNTIL 1200,
THEN PARTLY SUNNY (55-65% CLOUD COVER).
SCATTERED SHOWERS AND THUNDERSTORMS AFTER 1200.
CHANCE LIGHTNING....10% INCREASING TO 30% IN THE AFTERNOON.
CWR.................10%.
MAX TEMPERATURE.....78-88 NEAR 4000 FEET.
73-81 NEAR 6000 FEET.
24 HR TREND......4 DEGREES WARMER.
MIN HUMIDITY........29-39% NEAR 4000 FEET.
38-48% NEAR 6000 FEET.
24 HR TREND......15% DRIER NEAR 4000 FEET.
21% DRIER NEAR 6000 FEET.
20-FOOT WINDS.......SOUTHEAST WINDS AROUND 5 MPH BECOMING SOUTH
WITH GUSTS TO AROUND 25 MPH IN THE AFTERNOON.
12K FT MSL WINDS....SOUTHWEST 25-30 MPH.
MIXING HEIGHT.......9500 FT AGL (40-50TH PERCENTILE).
CLEARING INDEX......1000+.
FORECAST DAYS 3 THROUGH 7
WEDNESDAY
MOSTLY CLEAR. LOWS IN THE LOWER 60S IN THE VALLEYS
AND IN THE LOWER 50S IN THE MOUNTAINS. HIGHS IN THE UPPER 80S IN
THE VALLEYS AND IN THE UPPER 70S IN THE MOUNTAINS. SOUTHWEST
WINDS AROUND 15 MPH.
THURSDAY
CLEAR. LOWS IN THE LOWER 60S IN THE VALLEYS AND IN
THE LOWER 50S IN THE MOUNTAINS. HIGHS AROUND 90 IN THE VALLEYS
AND IN THE UPPER 70S IN THE MOUNTAINS. SOUTHWEST WINDS AROUND
15 MPH.
FRIDAY
MOSTLY CLEAR. SCATTERED SHOWERS AND THUNDERSTORMS. LOWS
IN THE MID 60S IN THE VALLEYS AND IN THE MID 50S IN THE
MOUNTAINS. HIGHS IN THE LOWER 90S IN THE VALLEYS AND AROUND 80 IN
THE MOUNTAINS. WINDS GENERALLY LESS THAN 15 MPH.
SATURDAY
PARTLY CLOUDY. SCATTERED SHOWERS AND THUNDERSTORMS.
LOWS IN THE MID 60S IN THE VALLEYS AND IN THE MID 50S IN THE
MOUNTAINS. HIGHS IN THE UPPER 80S IN THE VALLEYS AND IN THE UPPER
70S IN THE MOUNTAINS.
SUNDAY
MOSTLY CLOUDY. SCATTERED SHOWERS AND THUNDERSTORMS.
LOWS IN THE MID 60S IN THE VALLEYS AND IN THE UPPER 50S IN THE
MOUNTAINS. HIGHS IN THE LOWER 90S IN THE VALLEYS AND AROUND 80 IN
THE MOUNTAINS.
=
.8-14 DAY OUTLOOK FOR MONDAY SEPTEMBER 07 TO SUNDAY SEPTEMBER 13
TEMPERATURE... ABOVE NORMAL
PRECIPITATION... ABOVE NORMAL
=
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