271
FNUS55 KPSR 300812
FWFPSR
FIRE WEATHER PLANNING FORECAST FOR SOUTHWEST AND SOUTH-CENTRAL
ARIZONA AND SOUTHEAST CALIFORNIA
NATIONAL WEATHER SERVICE PHOENIX AZ
112 AM MST FRI MAY 30 2025
DISCUSSION
AFTER A HOT AND SEASONABLY DRY DAY TODAY, MOISTURE WILL
DRAMATICALLY INCREASE OVER THE WEEKEND AS A WEATHER SYSTEM MOVES
THROUGH THE REGION. EXPECT MINRHS AROUND 8 TO 15 PERCENT TODAY
BEFORE RHS QUICKLY INCREASE THIS WEEKEND. VERY GOOD CHANCES FOR
RAIN WILL EXIST FROM SATURDAY NIGHT THROUGH SUNDAY NIGHT, WITH A
20-30% CHANCE FOR THUNDERSTORMS ON SUNDAY. WINDS WILL FAVOR
TYPICAL DIURNAL TENDENCIES THROUGH SATURDAY WITH SOME BREEZY WINDS
THIS EVENING. WINDS SUNDAY SHOULD ALSO BE BREEZY AT TIMES WITH
SHOWER AND THUNDERSTORM ACTIVITY LIKELY INFLUENCING WINDS.
..THUNDERSTORMS IMPLY GUSTY WINDS
NOTE...ADDITIONAL FIRE WEATHER FORECAST INFORMATION CAN BE FOUND
IN THE AREA FORECAST DISCUSSION. SEE PRODUCT PHXAFDPSR.
AZZ132-302015-
WEST CENTRAL DESERTS/NORTHWEST MARICOPA COUNTY/GREATER PHOENIX
AREA/SOUTHWEST DESERTS/SOUTHWEST MARICOPA COUNTY/
NORTHWEST AND NORTH-CENTRAL PINAL COUNTY-
PHOENIX BLM/YUM BLM/CAZ-CRZ-
112 AM MST FRI MAY 30 2025
TODAY
* SKY/WEATHER.....................MOSTLY SUNNY.
* MAX TEMPERATURE.................97-102.
* 24 HR TREND..................4 DEGREES WARMER.
* MIN HUMIDITY....................8-12 PCT.
* 24 HR TREND..................LITTLE RH CHANGE.
* WINDS - 20 FOOT...SLOPE/VALLEY..SOUTH 5 TO 10 MPH IN THE MORNING
BECOMING SOUTHWEST IN THE AFTERNOON.
* WINDS...10000 FT MSL............SOUTHEAST 10 TO 20 MPH.
* CHANCE OF PRECIP................0 PERCENT.
* CWR (>= 0.10 IN)................0 PERCENT.
* MIXING HEIGHT FOR PHOENIX.......7400 FT AGL.
* TRANSPORT WIND FOR PHOENIX......WEST 6 KNOTS.
* DISPERSION FOR PHOENIX..........GOOD.
TONIGHT
* SKY/WEATHER.....................PARTLY CLOUDY.
* MIN TEMPERATURE.................71-81.
* 24 HR TREND..................4 DEGREES WARMER.
* MAX HUMIDITY....................24-33 PCT.
* 24 HR TREND..................3 PCT WETTER.
* WINDS - 20 FOOT...SLOPE/VALLEY..SOUTHWEST 5 TO 15 MPH.
* WINDS...10000 FT MSL............EAST 10 TO 15 MPH.
* CHANCE OF PRECIP................0 PERCENT.
* CWR (>= 0.10 IN)................0 PERCENT.
SATURDAY
* SKY/WEATHER.....................PARTLY SUNNY. SLIGHT CHANCE OF
SHOWERS IN THE AFTERNOON.
* MAX TEMPERATURE.................95-102.
* 24 HR TREND..................LITTLE CHANGE.
* MIN HUMIDITY....................12-19 PCT.
* 24 HR TREND..................6 PCT WETTER.
* WINDS - 20 FOOT...SLOPE/VALLEY..SOUTH 5 TO 10 MPH IN THE MORNING
BECOMING WEST 5 TO 15 MPH IN THE AFTERNOON.
* WINDS...10000 FT MSL............NORTHEAST 10 TO 20 MPH.
* CHANCE OF PRECIP................0 PERCENT IN THE MORNING BECOMING
10 PERCENT IN THE AFTERNOON.
* CWR (>= 0.10 IN)................0 PERCENT.
* MIXING HEIGHT FOR PHOENIX.......7600 FT AGL.
* TRANSPORT WIND FOR PHOENIX......WEST 13 KNOTS.
* DISPERSION FOR PHOENIX..........VERY GOOD.
EXTENDED
SUNDAY
MOSTLY CLOUDY WITH CHANCE OF SHOWERS AND THUNDERSTORMS.
LOWS 67-77. HIGHS 86-93. SOUTH WINDS 5 TO 15 MPH.
MONDAY
PARTLY CLOUDY WITH CHANCE OF SHOWERS. LOWS 67-77. HIGHS
88-95. SOUTH WINDS 5 TO 15 MPH.
TUESDAY
CLEAR. LOWS 67-77. HIGHS 90-97. SOUTH WINDS 5 TO
15 MPH.
WEDNESDAY
CLEAR. LOWS 67-77. HIGHS 92-98.
THURSDAY
CLEAR. LOWS 67-77. HIGHS 95-101.
AZZ131-CAZ231-302015-
YUMA/MARTINEZ LAKE AND VICINITY/LOWER COLORADO RIVER VALLEY AZ-
LOWER COLORADO RIVER VALLEY CA-
112 AM MST FRI MAY 30 2025 /112 AM PDT FRI MAY 30 2025/
TODAY
* SKY/WEATHER.....................MOSTLY SUNNY.
* MAX TEMPERATURE.................98-104.
* 24 HR TREND..................4 DEGREES WARMER.
* MIN HUMIDITY....................10-14 PCT.
* 24 HR TREND..................LITTLE RH CHANGE.
* WINDS - 20 FOOT...SLOPE/VALLEY..SOUTH 5 TO 15 MPH.
* WINDS...10000 FT MSL............EAST 15 TO 25 MPH.
* CHANCE OF PRECIP................0 PERCENT.
* CWR (>= 0.10 IN)................0 PERCENT.
* MIXING HEIGHT FOR YUMA..........7700 FT AGL.
* TRANSPORT WIND FOR YUMA.........SOUTH 10 KNOTS.
* DISPERSION FOR YUMA.............VERY GOOD.
TONIGHT
* SKY/WEATHER.....................PARTLY CLOUDY.
* MIN TEMPERATURE.................71-76.
* 24 HR TREND..................4 DEGREES WARMER.
* MAX HUMIDITY....................29-51 PCT.
* 24 HR TREND..................LITTLE RH CHANGE.
* WINDS - 20 FOOT...SLOPE/VALLEY..SOUTH 5 TO 15 MPH.
* WINDS...10000 FT MSL............SOUTHEAST 15 TO 25 MPH.
* CHANCE OF PRECIP................0 PERCENT.
* CWR (>= 0.10 IN)................0 PERCENT.
SATURDAY
* SKY/WEATHER.....................PARTLY SUNNY. SLIGHT CHANCE OF
SHOWERS IN THE AFTERNOON.
* MAX TEMPERATURE.................96-102.
* 24 HR TREND..................LITTLE CHANGE.
* MIN HUMIDITY....................16-23 PCT.
* 24 HR TREND..................7 PCT WETTER.
* WINDS - 20 FOOT...SLOPE/VALLEY..SOUTH 5 TO 15 MPH.
* WINDS...10000 FT MSL............EAST 10 TO 20 MPH.
* CHANCE OF PRECIP................10 PERCENT.
* CWR (>= 0.10 IN)................0 PERCENT.
* MIXING HEIGHT FOR YUMA..........7300 FT AGL.
* TRANSPORT WIND FOR YUMA.........SOUTHWEST 12 KNOTS.
* DISPERSION FOR YUMA.............VERY GOOD.
EXTENDED
SUNDAY
SHOWERS LIKELY AND SLIGHT CHANCE OF THUNDERSTORMS. LOWS
70-77. HIGHS 89-94. SOUTH WINDS 10 TO 20 MPH.
MONDAY
MOSTLY CLEAR WITH SLIGHT CHANCE OF SHOWERS. LOWS 68-73.
HIGHS 93-98. SOUTH WINDS 10 TO 20 MPH.
TUESDAY
CLEAR. LOWS 67-72. HIGHS 93-98. SOUTH WINDS 5 TO
15 MPH.
WEDNESDAY
CLEAR. LOWS 67-72. HIGHS 96-101.
THURSDAY
CLEAR. LOWS 68-73. HIGHS 98-103.
AZZ133-302015-
SOUTHERN GILA COUNTY/TONTO NATIONAL FOREST FOOTHILLS-
SOUTHERN TONTO NF/WEST SAN CARLOS BIA/SOUTH PORTION FT APACHE BIA/
CAZ-
112 AM MST FRI MAY 30 2025
TODAY
* SKY/WEATHER.....................MOSTLY SUNNY.
* MAX TEMPERATURE.................87-100.
* 24 HR TREND..................4 DEGREES WARMER.
* MIN HUMIDITY....................7-11 PCT.
* 24 HR TREND..................LITTLE CHANGE.
* WINDS - 20 FOOT...SLOPE/VALLEY..SOUTH 5 TO 10 MPH IN THE MORNING
BECOMING WEST 5 TO 15 MPH IN THE AFTERNOON.
* WINDS...10000 FT MSL............SOUTHEAST 5 TO 15 MPH IN THE
MORNING BECOMING LIGHT AND VARIABLE IN THE AFTERNOON.
* CHANCE OF PRECIP................0 PERCENT.
* CWR (>= 0.10 IN)................0 PERCENT.
TONIGHT
* SKY/WEATHER.....................PARTLY CLOUDY.
* MIN TEMPERATURE.................59-71.
* 24 HR TREND..................LITTLE CHANGE.
* MAX HUMIDITY....................26-34 PCT.
* 24 HR TREND..................7 PCT WETTER.
* WINDS - 20 FOOT...SLOPE/VALLEY..WEST 5 TO 10 MPH IN THE EVENING
BECOMING SOUTH AFTER MIDNIGHT.
* WINDS...10000 FT MSL............LIGHT AND VARIABLE.
* CHANCE OF PRECIP................0 PERCENT.
* CWR (>= 0.10 IN)................0 PERCENT.
SATURDAY
* SKY/WEATHER.....................PARTLY SUNNY.
* MAX TEMPERATURE.................87-100.
* 24 HR TREND..................LITTLE CHANGE.
* MIN HUMIDITY....................10-15 PCT.
* 24 HR TREND..................4 PCT WETTER.
* WINDS - 20 FOOT...SLOPE/VALLEY..SOUTHWEST 5 TO 15 MPH.
* WINDS...10000 FT MSL............NORTH 5 TO 15 MPH IN THE MORNING
BECOMING EAST IN THE AFTERNOON.
* CHANCE OF PRECIP................10 PERCENT.
* CWR (>= 0.10 IN)................0 PERCENT.
EXTENDED
SUNDAY
PARTLY CLOUDY WITH CHANCE OF SHOWERS AND SLIGHT CHANCE
OF THUNDERSTORMS. LOWS 56-74. HIGHS 81-93. SOUTHWEST WINDS 10 TO
20 MPH.
MONDAY
PARTLY CLOUDY WITH CHANCE OF SHOWERS AND SLIGHT CHANCE
OF THUNDERSTORMS. LOWS 54-69. HIGHS 75-89. SOUTHWEST WINDS 10 TO
20 MPH.
TUESDAY
MOSTLY CLEAR. LOWS 54-69. HIGHS 78-92. SOUTHWEST WINDS
10 TO 20 MPH.
WEDNESDAY
CLEAR. LOWS 54-69. HIGHS 80-94.
THURSDAY
CLEAR. LOWS 54-71. HIGHS 83-97.
CAZ232-302015-
IMPERIAL COUNTY AND EASTERN RIVERSIDE COUNTY-
112 AM PDT FRI MAY 30 2025
TODAY
* SKY/WEATHER.....................SUNNY.
* MAX TEMPERATURE.................93-103.
* 24 HR TREND..................3 DEGREES WARMER.
* MIN HUMIDITY....................9-15 PCT.
* 24 HR TREND..................LITTLE RH CHANGE.
* WINDS - 20 FOOT...SLOPE/VALLEY..SOUTHEAST 5 TO 15 MPH.
* WINDS...10000 FT MSL............EAST 20 TO 30 MPH.
* CHANCE OF PRECIP................0 PERCENT.
* CWR (>= 0.10 IN)................0 PERCENT.
TONIGHT
* SKY/WEATHER.....................PARTLY CLOUDY.
* MIN TEMPERATURE.................72-78.
* 24 HR TREND..................4 DEGREES WARMER.
* MAX HUMIDITY....................22-51 PCT.
* 24 HR TREND..................4 PCT DRIER.
* WINDS - 20 FOOT...SLOPE/VALLEY..SOUTH 5 TO 15 MPH.
* WINDS...10000 FT MSL............SOUTHEAST 20 TO 30 MPH.
* CHANCE OF PRECIP................0 PERCENT.
* CWR (>= 0.10 IN)................0 PERCENT.
SATURDAY
* SKY/WEATHER.....................PARTLY SUNNY. SLIGHT CHANCE OF
SHOWERS IN THE AFTERNOON.
* MAX TEMPERATURE.................92-101.
* 24 HR TREND..................LITTLE CHANGE.
* MIN HUMIDITY....................13-21 PCT.
* 24 HR TREND..................6 PCT WETTER.
* WINDS - 20 FOOT...SLOPE/VALLEY..SOUTH 5 TO 15 MPH.
* WINDS...10000 FT MSL............EAST 15 TO 25 MPH.
* CHANCE OF PRECIP................0 PERCENT IN THE MORNING BECOMING
10 PERCENT IN THE AFTERNOON.
* CWR (>= 0.10 IN)................0 PERCENT.
EXTENDED
SUNDAY
PARTLY CLOUDY WITH CHANCE OF SHOWERS AND SLIGHT CHANCE
OF THUNDERSTORMS. LOWS 67-80. HIGHS 86-96. SOUTH WINDS 10 TO
20 MPH.
MONDAY
MOSTLY CLEAR. LOWS 66-74. HIGHS 88-98. SOUTHWEST WINDS
10 TO 20 MPH.
TUESDAY
CLEAR. LOWS 66-73. HIGHS 89-98. SOUTHWEST WINDS 5 TO
15 MPH.
WEDNESDAY
CLEAR. LOWS 67-75. HIGHS 91-101.
THURSDAY
CLEAR. LOWS 69-77. HIGHS 93-103.
CAZ230-302015-
JOSHUA TREE NATIONAL PARK-
112 AM PDT FRI MAY 30 2025
TODAY
* SKY/WEATHER.....................SUNNY.
* MAX TEMPERATURE.................84-98.
* 24 HR TREND..................3 DEGREES WARMER.
* MIN HUMIDITY....................9-14 PCT.
* 24 HR TREND..................LITTLE RH CHANGE.
* WINDS - 20 FOOT...SLOPE/VALLEY..SOUTHEAST 5 TO 15 MPH.
* WINDS...10000 FT MSL............EAST 15 TO 25 MPH.
* CHANCE OF PRECIP................0 PERCENT.
* CWR (>= 0.10 IN)................0 PERCENT.
TONIGHT
* SKY/WEATHER.....................PARTLY CLOUDY.
* MIN TEMPERATURE.................65-75.
* 24 HR TREND..................3 DEGREES WARMER.
* MAX HUMIDITY....................22-27 PCT.
* 24 HR TREND..................7 PCT DRIER.
* WINDS - 20 FOOT...SLOPE/VALLEY..SOUTHWEST 5 TO 15 MPH.
* WINDS...10000 FT MSL............SOUTHEAST 15 TO 25 MPH.
* CHANCE OF PRECIP................0 PERCENT.
* CWR (>= 0.10 IN)................0 PERCENT.
SATURDAY
* SKY/WEATHER.....................PARTLY SUNNY.
* MAX TEMPERATURE.................83-97.
* 24 HR TREND..................LITTLE CHANGE.
* MIN HUMIDITY....................13-19 PCT.
* 24 HR TREND..................4 PCT WETTER.
* WINDS - 20 FOOT...SLOPE/VALLEY..SOUTH 5 TO 15 MPH.
* WINDS...10000 FT MSL............SOUTHEAST 10 TO 20 MPH.
* CHANCE OF PRECIP................0 PERCENT.
* CWR (>= 0.10 IN)................0 PERCENT.
EXTENDED
SUNDAY
PARTLY CLOUDY WITH CHANCE OF SHOWERS. LOWS 58-77. HIGHS
77-90. SOUTHWEST WINDS 10 TO 20 MPH.
MONDAY
MOSTLY CLEAR. LOWS 57-70. HIGHS 78-92. SOUTHWEST WINDS
10 TO 20 MPH.
TUESDAY
MOSTLY CLEAR. LOWS 57-70. HIGHS 79-93. SOUTHWEST WINDS
5 TO 15 MPH.
WEDNESDAY
CLEAR. LOWS 59-71. HIGHS 81-95.
THURSDAY
CLEAR. LOWS 61-73. HIGHS 83-97.
8 TO 10 DAY OUTLOOK
FRIDAY JUNE 6TH THROUGH SUNDAY JUNE 8TH:
NEAR TO ABOVE NORMAL TEMPERATURES AND NEAR MEDIAN PRECIPITATION.
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