706
FNUS55 KPSR 060720
FWFPSR
FIRE WEATHER PLANNING FORECAST FOR SOUTHWEST AND SOUTH-CENTRAL
ARIZONA AND SOUTHEAST CALIFORNIA
NATIONAL WEATHER SERVICE PHOENIX AZ
1220 AM MST SAT JUN 6 2026
...RED FLAG WARNING IN EFFECT FROM 9 AM THIS MORNING TO 11 PM MST
THIS EVENING DUE TO STRONG WINDS...LOW RELATIVE HUMIDITY AND HIGH FIRE DANGER...
...RED FLAG WARNING IN EFFECT FROM 9 AM MST /9 AM PDT/ THIS
MORNING TO 11 PM MST /11 PM PDT/ THIS EVENING DUE TO STRONG WINDS...LOW RELATIVE HUMIDITY AND HIGH FIRE DANGER...
DISCUSSION
A RED FLAG WARNING HAS BEEN POSTED FOR PORTIONS OF SW ARIZONA AND
AREAS AROUND THE LOWER COLORADO RIVER VALLEY FOR THIS AFTERNOON
AND EVENING. DRY FUELS, RHS AROUND 10%, AND GUSTS UPWARDS OF 35
MPH WILL RESULT IN CRITICAL FIRE WEATHER CONDITIONS FOR THESE
AREAS. ELSEWHERE, GUSTS 20-30 MPH WILL BE COMMON, RESULTING IN
ELEVATED FIRE WEATHER CONDITIONS FOR MUCH OF THE REGION. AFTER
TODAY, DAILY BREEZY CONDITIONS, ALBEIT NOT AS STRONG, CAN BE
EXPECTED THROUGH AT LEAST THE START OF THE UPCOMING WEEK,
RESULTING IN A PROLONGED PERIOD OF ELEVATED FIRE WEATHER
CONDITIONS. MINRHS WILL HOLD STEADY CLOSE TO 10% ACROSS THE
REGION, WHILE OVERNIGHT RECOVERIES ONLY OFFER POOR TO MODEST
RECOVERY, WITH MAXRHS NEAR 15-45%.
NOTE...ADDITIONAL FIRE WEATHER FORECAST INFORMATION CAN BE FOUND
IN THE AREA FORECAST DISCUSSION. SEE PRODUCT PHXAFDPSR.
AZZ132-061930-
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-
1220 AM MST SAT JUN 6 2026
...RED FLAG WARNING IN EFFECT FROM 9 AM THIS MORNING TO 11 PM MST
THIS EVENING...
TODAY
* SKY/WEATHER.....................MOSTLY SUNNY.
* MAX TEMPERATURE.................99-106.
* 24 HR TREND..................LITTLE CHANGE.
* MIN HUMIDITY....................8-12 PCT.
* 24 HR TREND..................LITTLE RH CHANGE.
* WINDS - 20 FOOT...SLOPE/VALLEY..SOUTHEAST 5 TO 10 MPH IN THE
MORNING BECOMING SOUTHWEST 5 TO 15 MPH IN THE AFTERNOON.
* WINDS...10000 FT MSL............SOUTHWEST 15 TO 25 MPH.
* CHANCE OF PRECIP................0 PERCENT.
* CWR (>= 0.10 IN)................0 PERCENT.
* CHANCE OF THUNDER...............0 PERCENT.
* MIXING HEIGHT FOR PHOENIX.......11100 FT AGL.
* TRANSPORT WIND FOR PHOENIX......SOUTHWEST 15 KNOTS.
* DISPERSION FOR PHOENIX..........EXCELLENT.
TONIGHT
* SKY/WEATHER.....................PARTLY CLOUDY.
* MIN TEMPERATURE.................70-80.
* 24 HR TREND..................LITTLE CHANGE.
* MAX HUMIDITY....................24-39 PCT.
* 24 HR TREND..................7 PCT WETTER.
* WINDS - 20 FOOT...SLOPE/VALLEY..SOUTHWEST 5 TO 15 MPH IN THE
EVENING BECOMING SOUTHEAST 5 TO 10 MPH AFTER MIDNIGHT.
* WINDS...10000 FT MSL............SOUTHWEST 20 TO 30 MPH.
* CHANCE OF PRECIP................0 PERCENT.
* CWR (>= 0.10 IN)................0 PERCENT.
* CHANCE OF THUNDER...............0 PERCENT.
SUNDAY
* SKY/WEATHER.....................MOSTLY SUNNY.
* MAX TEMPERATURE.................96-104.
* 24 HR TREND..................3 DEGREES COOLER.
* MIN HUMIDITY....................9-13 PCT.
* 24 HR TREND..................LITTLE RH CHANGE.
* WINDS - 20 FOOT...SLOPE/VALLEY..SOUTH 10 TO 20 MPH.
* WINDS...10000 FT MSL............SOUTH 25 TO 35 MPH.
* CHANCE OF PRECIP................0 PERCENT.
* CWR (>= 0.10 IN)................0 PERCENT.
* CHANCE OF THUNDER...............0 PERCENT.
* MIXING HEIGHT FOR PHOENIX.......12300 FT AGL.
* TRANSPORT WIND FOR PHOENIX......SOUTHWEST 19 KNOTS.
* DISPERSION FOR PHOENIX..........EXCELLENT.
EXTENDED
MONDAY
CLEAR. LOWS 65-75. HIGHS 96-104. SOUTH WINDS 10 TO
20 MPH. MINIMUM RELATIVE HUMIDITY MAY BE LOWER THAN 15 PERCENT.
TUESDAY
CLEAR. LOWS 65-75. HIGHS 97-104. SOUTH WINDS 5 TO
15 MPH. MINIMUM RELATIVE HUMIDITY MAY BE LOWER THAN 15 PERCENT.
WEDNESDAY
CLEAR. LOWS 67-77. HIGHS 99-105. SOUTH WINDS 5 TO
15 MPH. MINIMUM RELATIVE HUMIDITY MAY BE LOWER THAN 15 PERCENT.
THURSDAY
CLEAR. LOWS 68-78. HIGHS 99-106.
FRIDAY
CLEAR. LOWS 69-79. HIGHS 100-106.
AZZ131-CAZ231-061930-
YUMA/MARTINEZ LAKE AND VICINITY/LOWER COLORADO RIVER VALLEY AZ-
LOWER COLORADO RIVER VALLEY CA-
1220 AM MST SAT JUN 6 2026 /1220 AM PDT SAT JUN 6 2026/
...RED FLAG WARNING IN EFFECT FROM 9 AM MST /9 AM PDT/ THIS
MORNING TO 11 PM MST /11 PM PDT/ THIS EVENING...
TODAY
* SKY/WEATHER.....................MOSTLY SUNNY.
* MAX TEMPERATURE.................102-107.
* 24 HR TREND..................3 DEGREES COOLER.
* MIN HUMIDITY....................9-13 PCT.
* 24 HR TREND..................LITTLE RH CHANGE.
* WINDS - 20 FOOT...SLOPE/VALLEY..SOUTH 10 TO 20 MPH.
* WINDS...10000 FT MSL............SOUTHWEST 20 TO 30 MPH.
* CHANCE OF PRECIP................0 PERCENT.
* CWR (>= 0.10 IN)................0 PERCENT.
* CHANCE OF THUNDER...............0 PERCENT.
* MIXING HEIGHT FOR YUMA..........4500 FT AGL.
* TRANSPORT WIND FOR YUMA.........SOUTH 20 KNOTS.
* DISPERSION FOR YUMA.............VERY GOOD.
TONIGHT
* SKY/WEATHER.....................PARTLY CLOUDY.
* MIN TEMPERATURE.................69-74.
* 24 HR TREND..................LITTLE CHANGE.
* MAX HUMIDITY....................31-46 PCT.
* 24 HR TREND..................LITTLE RH CHANGE.
* WINDS - 20 FOOT...SLOPE/VALLEY..SOUTH 10 TO 20 MPH IN THE EVENING
BECOMING SOUTHEAST 5 TO 10 MPH AFTER MIDNIGHT.
* WINDS...10000 FT MSL............SOUTHWEST 25 TO 35 MPH.
* CHANCE OF PRECIP................0 PERCENT.
* CWR (>= 0.10 IN)................0 PERCENT.
* CHANCE OF THUNDER...............0 PERCENT.
SUNDAY
* SKY/WEATHER.....................MOSTLY SUNNY.
* MAX TEMPERATURE.................98-103.
* 24 HR TREND..................3 DEGREES COOLER.
* MIN HUMIDITY....................10-14 PCT.
* 24 HR TREND..................LITTLE RH CHANGE.
* WINDS - 20 FOOT...SLOPE/VALLEY..SOUTH 10 TO 20 MPH.
* WINDS...10000 FT MSL............SOUTHWEST 20 TO 30 MPH.
* CHANCE OF PRECIP................0 PERCENT.
* CWR (>= 0.10 IN)................0 PERCENT.
* CHANCE OF THUNDER...............0 PERCENT.
* MIXING HEIGHT FOR YUMA..........7800 FT AGL.
* TRANSPORT WIND FOR YUMA.........SOUTH 14 KNOTS.
* DISPERSION FOR YUMA.............VERY GOOD.
EXTENDED
MONDAY
CLEAR. LOWS 66-71. HIGHS 98-103. SOUTH WINDS 10 TO
20 MPH. MINIMUM RELATIVE HUMIDITY MAY BE LOWER THAN 15 PERCENT.
TUESDAY
CLEAR. LOWS 66-72. HIGHS 99-104. SOUTH WINDS 10 TO
20 MPH. MINIMUM RELATIVE HUMIDITY MAY BE LOWER THAN 15 PERCENT.
WEDNESDAY
CLEAR. LOWS 67-72. HIGHS 101-106. SOUTH WINDS 10 TO
20 MPH. MINIMUM RELATIVE HUMIDITY MAY BE LOWER THAN 15 PERCENT.
THURSDAY
CLEAR. LOWS 68-73. HIGHS 102-107.
FRIDAY
CLEAR. LOWS 69-74. HIGHS 102-107.
AZZ133-061930-
SOUTHERN GILA COUNTY/TONTO NATIONAL FOREST FOOTHILLS-
SOUTHERN TONTO NF/WEST SAN CARLOS BIA/SOUTH PORTION FT APACHE BIA/
CAZ-
1220 AM MST SAT JUN 6 2026
TODAY
* SKY/WEATHER.....................SUNNY.
* MAX TEMPERATURE.................87-102.
* 24 HR TREND..................3 DEGREES COOLER.
* MIN HUMIDITY....................7-11 PCT.
* 24 HR TREND..................LITTLE RH CHANGE.
* WINDS - 20 FOOT...SLOPE/VALLEY..WEST 5 TO 15 MPH.
* WINDS...10000 FT MSL............WEST 15 TO 25 MPH.
* CHANCE OF PRECIP................0 PERCENT.
* CWR (>= 0.10 IN)................0 PERCENT.
* CHANCE OF THUNDER...............0 PERCENT.
TONIGHT
* SKY/WEATHER.....................PARTLY CLOUDY.
* MIN TEMPERATURE.................57-73.
* 24 HR TREND..................LITTLE CHANGE.
* MAX HUMIDITY....................24-37 PCT.
* 24 HR TREND..................5 PCT WETTER.
* WINDS - 20 FOOT...SLOPE/VALLEY..WEST 5 TO 15 MPH.
* WINDS...10000 FT MSL............SOUTHWEST 20 TO 30 MPH.
* CHANCE OF PRECIP................0 PERCENT.
* CWR (>= 0.10 IN)................0 PERCENT.
* CHANCE OF THUNDER...............0 PERCENT.
SUNDAY
* SKY/WEATHER.....................PARTLY SUNNY.
* MAX TEMPERATURE.................85-100.
* 24 HR TREND..................LITTLE CHANGE.
* MIN HUMIDITY....................8-13 PCT.
* 24 HR TREND..................LITTLE RH CHANGE.
* WINDS - 20 FOOT...SLOPE/VALLEY..SOUTHWEST 5 TO 15 MPH.
* WINDS...10000 FT MSL............SOUTHWEST 20 TO 30 MPH.
* CHANCE OF PRECIP................0 PERCENT.
* CWR (>= 0.10 IN)................0 PERCENT.
* CHANCE OF THUNDER...............0 PERCENT.
EXTENDED
MONDAY
MOSTLY CLEAR. LOWS 55-71. HIGHS 86-101. SOUTHWEST WINDS
10 TO 20 MPH. MINIMUM RELATIVE HUMIDITY MAY BE LOWER THAN
15 PERCENT.
TUESDAY
CLEAR. LOWS 55-70. HIGHS 87-101. SOUTHWEST WINDS 10 TO
20 MPH. MINIMUM RELATIVE HUMIDITY MAY BE LOWER THAN 15 PERCENT.
WEDNESDAY
CLEAR. LOWS 55-71. HIGHS 88-101. SOUTHWEST WINDS
10 TO 20 MPH. MINIMUM RELATIVE HUMIDITY MAY BE LOWER THAN
15 PERCENT.
THURSDAY
CLEAR. LOWS 55-72. HIGHS 88-102.
FRIDAY
MOSTLY CLEAR. LOWS 56-73. HIGHS 88-102.
CAZ232-061930-
IMPERIAL COUNTY AND EASTERN RIVERSIDE COUNTY-
1220 AM PDT SAT JUN 6 2026
TODAY
* SKY/WEATHER.....................MOSTLY SUNNY.
* MAX TEMPERATURE.................96-106.
* 24 HR TREND..................3 DEGREES COOLER.
* MIN HUMIDITY....................8-13 PCT.
* 24 HR TREND..................LITTLE RH CHANGE.
* WINDS - 20 FOOT...SLOPE/VALLEY..SOUTH 5 TO 15 MPH.
* WINDS...10000 FT MSL............SOUTHWEST 30 TO 40 MPH.
* CHANCE OF PRECIP................0 PERCENT.
* CWR (>= 0.10 IN)................0 PERCENT.
* CHANCE OF THUNDER...............0 PERCENT.
TONIGHT
* SKY/WEATHER.....................PARTLY CLOUDY.
* MIN TEMPERATURE.................69-75.
* 24 HR TREND..................LITTLE CHANGE.
* MAX HUMIDITY....................24-43 PCT.
* 24 HR TREND..................3 PCT DRIER.
* WINDS - 20 FOOT...SLOPE/VALLEY..SOUTHWEST 5 TO 15 MPH.
* WINDS...10000 FT MSL............SOUTHWEST 25 TO 35 MPH.
* CHANCE OF PRECIP................0 PERCENT.
* CWR (>= 0.10 IN)................0 PERCENT.
* CHANCE OF THUNDER...............0 PERCENT.
SUNDAY
* SKY/WEATHER.....................MOSTLY SUNNY.
* MAX TEMPERATURE.................93-103.
* 24 HR TREND..................4 DEGREES COOLER.
* MIN HUMIDITY....................8-13 PCT.
* 24 HR TREND..................LITTLE RH CHANGE.
* WINDS - 20 FOOT...SLOPE/VALLEY..SOUTH 5 TO 15 MPH.
* WINDS...10000 FT MSL............SOUTHWEST 15 TO 25 MPH.
* CHANCE OF PRECIP................0 PERCENT.
* CWR (>= 0.10 IN)................0 PERCENT.
* CHANCE OF THUNDER...............0 PERCENT.
EXTENDED
MONDAY
CLEAR. LOWS 67-74. HIGHS 92-102. SOUTH WINDS 10 TO
20 MPH. MINIMUM RELATIVE HUMIDITY MAY BE LOWER THAN 15 PERCENT.
TUESDAY
CLEAR. LOWS 67-75. HIGHS 93-104. SOUTHWEST WINDS 10 TO
20 MPH. MINIMUM RELATIVE HUMIDITY MAY BE LOWER THAN 15 PERCENT.
WEDNESDAY
CLEAR. LOWS 69-76. HIGHS 96-105. SOUTHWEST WINDS
5 TO 15 MPH. MINIMUM RELATIVE HUMIDITY MAY BE LOWER THAN
15 PERCENT.
THURSDAY
CLEAR. LOWS 70-77. HIGHS 97-106.
FRIDAY
CLEAR. LOWS 70-78. HIGHS 97-107.
CAZ230-061930-
JOSHUA TREE NATIONAL PARK-
1220 AM PDT SAT JUN 6 2026
TODAY
* SKY/WEATHER.....................PARTLY SUNNY.
* MAX TEMPERATURE.................85-100.
* 24 HR TREND..................3 DEGREES COOLER.
* MIN HUMIDITY....................8-14 PCT.
* 24 HR TREND..................LITTLE RH CHANGE.
* WINDS - 20 FOOT...SLOPE/VALLEY..SOUTHWEST 5 TO 10 MPH IN THE
MORNING BECOMING 10 TO 20 MPH IN THE AFTERNOON.
* WINDS...10000 FT MSL............SOUTHWEST 30 TO 40 MPH.
* CHANCE OF PRECIP................0 PERCENT.
* CWR (>= 0.10 IN)................0 PERCENT.
* CHANCE OF THUNDER...............0 PERCENT.
TONIGHT
* SKY/WEATHER.....................PARTLY CLOUDY.
* MIN TEMPERATURE.................57-72.
* 24 HR TREND..................4 DEGREES COOLER.
* MAX HUMIDITY....................24-35 PCT.
* 24 HR TREND..................5 PCT WETTER.
* WINDS - 20 FOOT...SLOPE/VALLEY..WEST 5 TO 15 MPH.
* WINDS...10000 FT MSL............SOUTHWEST 25 TO 35 MPH IN THE
EVENING BECOMING 15 TO 25 MPH AFTER MIDNIGHT.
* CHANCE OF PRECIP................0 PERCENT.
* CWR (>= 0.10 IN)................0 PERCENT.
* CHANCE OF THUNDER...............0 PERCENT.
SUNDAY
* SKY/WEATHER.....................MOSTLY SUNNY.
* MAX TEMPERATURE.................83-97.
* 24 HR TREND..................3 DEGREES COOLER.
* MIN HUMIDITY....................9-17 PCT.
* 24 HR TREND..................LITTLE RH CHANGE.
* WINDS - 20 FOOT...SLOPE/VALLEY..SOUTH 5 TO 15 MPH.
* WINDS...10000 FT MSL............SOUTHWEST 10 TO 20 MPH.
* CHANCE OF PRECIP................0 PERCENT.
* CWR (>= 0.10 IN)................0 PERCENT.
* CHANCE OF THUNDER...............0 PERCENT.
EXTENDED
MONDAY
CLEAR. LOWS 56-71. HIGHS 82-96. SOUTHWEST WINDS 10 TO
20 MPH. MINIMUM RELATIVE HUMIDITY MAY BE LOWER THAN 15 PERCENT.
TUESDAY
CLEAR. LOWS 56-72. HIGHS 83-97. SOUTHWEST WINDS 10 TO
20 MPH. MINIMUM RELATIVE HUMIDITY MAY BE LOWER THAN 15 PERCENT.
WEDNESDAY
CLEAR. LOWS 59-73. HIGHS 87-100. WEST WINDS 5 TO
15 MPH.
THURSDAY
CLEAR. LOWS 61-74. HIGHS 88-100.
FRIDAY
CLEAR. LOWS 62-75. HIGHS 88-100.
8 TO 10 DAY OUTLOOK
SATURDAY JUNE 13TH THROUGH MONDAY JUNE 15TH:
ABOVE NORMAL TEMPERATURES AND NEAR MEDIAN PRECIPITATION.
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