294
FNUS55 KPSR 020900
FWFPSR
FIRE WEATHER PLANNING FORECAST FOR SOUTHWEST AND SOUTH-CENTRAL
ARIZONA AND SOUTHEAST CALIFORNIA
NATIONAL WEATHER SERVICE PHOENIX AZ
200 AM MST SAT MAY 2 2026
DISCUSSION
DRY CONDITIONS AND ABOVE NORMAL TEMPERATURES WILL BE OBSERVED
THROUGH THE WEEKEND. BREEZY SOUTHEASTERLY WINDS WILL BE FELT
PARTICULARLY OVER THE HIGHER TERRAIN OF THE EASTERN DISTRICTS THIS
MORNING AND AGAIN SUNDAY MORNING. A LOW PRESSURE SYSTEM WILL
GRADUALLY APPROACH THE CA COAST LATE THIS WEEKEND, RESULTING IN AN
INCREASE IN WINDS AREAWIDE OUT OF THE SOUTH SOUTHWEST STARTING
SUNDAY. GUSTY AFTERNOON WINDS (GUSTS UP TO 25-35 MPH) COMBINED
WITH LOW HUMIDITIES WILL LIKELY PRODUCE ELEVATED FIRE WEATHER
CONDITIONS SUNDAY FOR PORTIONS OF THE WESTERN DISTRICTS INCLUDING
THE LOWER COLORADO RIVER VALLEY AND LA PAZ COUNTY. AFTERNOON
MINRHS IN A 8-15% RANGE WILL BE COMMON TODAY, INCREASING SLIGHTLY
INTO A 10-20% RANGE SUNDAY. OVERNIGHT RECOVERIES WILL GENERALLY
FALL IN A 20-50% RANGE TONIGHT, INCREASING INTO A 30-55% RANGE
SUNDAY NIGHT.
..THUNDERSTORMS IMPLY GUSTY WINDS
NOTE...ADDITIONAL FIRE WEATHER FORECAST INFORMATION CAN BE FOUND
IN THE AREA FORECAST DISCUSSION. SEE PRODUCT PHXAFDPSR.
AZZ132-022100-
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-
200 AM MST SAT MAY 2 2026
TODAY
* SKY/WEATHER.....................SUNNY.
* MAX TEMPERATURE.................89-96.
* 24 HR TREND..................LITTLE CHANGE.
* MIN HUMIDITY....................8-12 PCT.
* 24 HR TREND..................LITTLE RH CHANGE.
* WINDS - 20 FOOT...SLOPE/VALLEY..EAST 5 TO 15 MPH.
* WINDS...10000 FT MSL............NORTHWEST 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.
* CHANCE OF THUNDER...............0 PERCENT.
* MIXING HEIGHT FOR PHOENIX.......12200 FT AGL.
* TRANSPORT WIND FOR PHOENIX......SOUTHEAST 5 KNOTS.
* DISPERSION FOR PHOENIX..........GOOD.
TONIGHT
* SKY/WEATHER.....................PARTLY CLOUDY.
* MIN TEMPERATURE.................65-75.
* 24 HR TREND..................6 DEGREES WARMER.
* MAX HUMIDITY....................23-39 PCT.
* 24 HR TREND..................3 PCT DRIER.
* WINDS - 20 FOOT...SLOPE/VALLEY..SOUTHEAST 5 TO 15 MPH.
* WINDS...10000 FT MSL............SOUTH 10 TO 20 MPH.
* CHANCE OF PRECIP................0 PERCENT.
* CWR (>= 0.10 IN)................0 PERCENT.
* CHANCE OF THUNDER...............0 PERCENT.
SUNDAY
* SKY/WEATHER.....................PARTLY SUNNY.
* MAX TEMPERATURE.................90-96.
* 24 HR TREND..................LITTLE CHANGE.
* MIN HUMIDITY....................11-15 PCT.
* 24 HR TREND..................3 PCT WETTER.
* WINDS - 20 FOOT...SLOPE/VALLEY..SOUTHEAST 5 TO 15 MPH IN THE
MORNING BECOMING SOUTH IN THE AFTERNOON.
* WINDS...10000 FT MSL............SOUTH 20 TO 30 MPH.
* CHANCE OF PRECIP................0 PERCENT.
* CWR (>= 0.10 IN)................0 PERCENT.
* CHANCE OF THUNDER...............0 PERCENT.
* MIXING HEIGHT FOR PHOENIX.......11600 FT AGL.
* TRANSPORT WIND FOR PHOENIX......SOUTH 14 KNOTS.
* DISPERSION FOR PHOENIX..........EXCELLENT.
EXTENDED
MONDAY
NOT AS WARM. MOSTLY CLOUDY. LOWS 50-69. HIGHS 78-85.
SOUTHWEST WINDS 10 TO 20 MPH.
TUESDAY
MOSTLY CLEAR. LOWS 50-60. HIGHS 73-79. WEST WINDS
10 TO 20 MPH.
WEDNESDAY
CLEAR. LOWS 51-63. HIGHS 81-87. WEST WINDS 5 TO
15 MPH.
THURSDAY
WARMER, CLEAR. LOWS 56-69. HIGHS 92-97.
FRIDAY
CLEAR. LOWS 62-72. HIGHS 97-103.
AZZ131-CAZ231-022100-
YUMA/MARTINEZ LAKE AND VICINITY/LOWER COLORADO RIVER VALLEY AZ-
LOWER COLORADO RIVER VALLEY CA-
200 AM MST SAT MAY 2 2026 /200 AM PDT SAT MAY 2 2026/
TODAY
* SKY/WEATHER.....................MOSTLY SUNNY.
* MAX TEMPERATURE.................93-98.
* 24 HR TREND..................LITTLE CHANGE.
* MIN HUMIDITY....................8-12 PCT.
* 24 HR TREND..................LITTLE CHANGE.
* WINDS - 20 FOOT...SLOPE/VALLEY..NORTHEAST 5 TO 10 MPH IN THE
MORNING BECOMING SOUTHEAST IN THE AFTERNOON.
* WINDS...10000 FT MSL............NORTH 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.
* CHANCE OF THUNDER...............0 PERCENT.
* MIXING HEIGHT FOR YUMA..........13400 FT AGL.
* TRANSPORT WIND FOR YUMA.........SOUTH 6 KNOTS.
* DISPERSION FOR YUMA.............VERY GOOD.
TONIGHT
* SKY/WEATHER.....................PARTLY CLOUDY.
* MIN TEMPERATURE.................64-71.
* 24 HR TREND..................6 DEGREES WARMER.
* MAX HUMIDITY....................24-36 PCT.
* 24 HR TREND..................5 PCT DRIER.
* WINDS - 20 FOOT...SLOPE/VALLEY..SOUTH 5 TO 15 MPH.
* WINDS...10000 FT MSL............LIGHT AND VARIABLE IN THE EVENING
BECOMING SOUTH 20 TO 30 MPH AFTER MIDNIGHT.
* CHANCE OF PRECIP................0 PERCENT.
* CWR (>= 0.10 IN)................0 PERCENT.
* CHANCE OF THUNDER...............0 PERCENT.
SUNDAY
* SKY/WEATHER.....................PARTLY SUNNY.
* MAX TEMPERATURE.................92-97.
* 24 HR TREND..................LITTLE CHANGE.
* MIN HUMIDITY....................12-16 PCT.
* 24 HR TREND..................4 PCT WETTER.
* WINDS - 20 FOOT...SLOPE/VALLEY..SOUTHEAST 5 TO 10 MPH IN THE
MORNING BECOMING SOUTH 10 TO 20 MPH IN THE AFTERNOON.
* WINDS...10000 FT MSL............SOUTH 20 TO 30 MPH.
* CHANCE OF PRECIP................0 PERCENT.
* CWR (>= 0.10 IN)................0 PERCENT.
* CHANCE OF THUNDER...............0 PERCENT.
* MIXING HEIGHT FOR YUMA..........7600 FT AGL.
* TRANSPORT WIND FOR YUMA.........SOUTH 18 KNOTS.
* DISPERSION FOR YUMA.............EXCELLENT.
EXTENDED
MONDAY
NOT AS WARM. PARTLY CLOUDY. LOWS 52-65. HIGHS 78-83.
WEST WINDS 15 TO 25 MPH.
TUESDAY
MOSTLY CLEAR. LOWS 52-57. HIGHS 76-81. WEST WINDS
15 TO 25 MPH.
WEDNESDAY
CLEAR. LOWS 52-62. HIGHS 84-89. WEST WINDS 5 TO
15 MPH.
THURSDAY
WARMER, CLEAR. LOWS 57-68. HIGHS 95-100.
FRIDAY
CLEAR. LOWS 62-69. HIGHS 100-105.
AZZ133-022100-
SOUTHERN GILA COUNTY/TONTO NATIONAL FOREST FOOTHILLS-
SOUTHERN TONTO NF/WEST SAN CARLOS BIA/SOUTH PORTION FT APACHE BIA/
CAZ-
200 AM MST SAT MAY 2 2026
TODAY
* SKY/WEATHER.....................MOSTLY SUNNY.
* MAX TEMPERATURE.................72-89.
* 24 HR TREND..................LITTLE CHANGE.
* MIN HUMIDITY....................12-21 PCT.
* 24 HR TREND..................LITTLE CHANGE.
* WINDS - 20 FOOT...SLOPE/VALLEY..SOUTHEAST 5 TO 15 MPH.
* WINDS...10000 FT MSL............SOUTH 5 TO 15 MPH.
* CHANCE OF PRECIP................0 PERCENT.
* CWR (>= 0.10 IN)................0 PERCENT.
* CHANCE OF THUNDER...............3 PERCENT.
TONIGHT
* SKY/WEATHER.....................PARTLY CLOUDY.
* MIN TEMPERATURE.................50-68.
* 24 HR TREND..................5 DEGREES WARMER.
* MAX HUMIDITY....................39-63 PCT.
* 24 HR TREND..................4 PCT DRIER.
* WINDS - 20 FOOT...SLOPE/VALLEY..EAST 5 TO 15 MPH.
* WINDS...10000 FT MSL............SOUTH 10 TO 20 MPH.
* CHANCE OF PRECIP................0 PERCENT.
* CWR (>= 0.10 IN)................0 PERCENT.
* CHANCE OF THUNDER...............1 PERCENT.
SUNDAY
* SKY/WEATHER.....................PARTLY SUNNY.
* MAX TEMPERATURE.................74-91.
* 24 HR TREND..................LITTLE CHANGE.
* MIN HUMIDITY....................13-23 PCT.
* 24 HR TREND..................LITTLE RH CHANGE.
* WINDS - 20 FOOT...SLOPE/VALLEY..EAST 5 TO 15 MPH IN THE MORNING
BECOMING SOUTH IN THE AFTERNOON.
* WINDS...10000 FT MSL............SOUTH 15 TO 25 MPH.
* CHANCE OF PRECIP................0 PERCENT.
* CWR (>= 0.10 IN)................0 PERCENT.
* CHANCE OF THUNDER...............2 PERCENT.
EXTENDED
MONDAY
PARTLY CLOUDY. LOWS 46-66. HIGHS 70-83. SOUTHWEST WINDS
15 TO 25 MPH.
TUESDAY
PARTLY CLOUDY WITH CHANCE OF SHOWERS AND SLIGHT CHANCE
OF THUNDERSTORMS. LOWS 38-59. HIGHS 60-74. SOUTHWEST WINDS 15 TO
25 MPH.
WEDNESDAY
MOSTLY CLEAR. LOWS 38-58. HIGHS 67-81. WEST WINDS
5 TO 15 MPH.
THURSDAY
CLEAR. LOWS 42-64. HIGHS 76-92.
FRIDAY
CLEAR. LOWS 47-66. HIGHS 82-97.
CAZ232-022100-
IMPERIAL COUNTY AND EASTERN RIVERSIDE COUNTY-
200 AM PDT SAT MAY 2 2026
TODAY
* SKY/WEATHER.....................MOSTLY SUNNY.
* MAX TEMPERATURE.................89-98.
* 24 HR TREND..................LITTLE CHANGE.
* MIN HUMIDITY....................7-12 PCT.
* 24 HR TREND..................LITTLE RH CHANGE.
* WINDS - 20 FOOT...SLOPE/VALLEY..NORTHEAST 5 TO 10 MPH IN THE
MORNING BECOMING SOUTHEAST IN THE AFTERNOON.
* WINDS...10000 FT MSL............LIGHT AND VARIABLE.
* CHANCE OF PRECIP................0 PERCENT.
* CWR (>= 0.10 IN)................0 PERCENT.
* CHANCE OF THUNDER...............0 PERCENT.
TONIGHT
* SKY/WEATHER.....................PARTLY CLOUDY.
* MIN TEMPERATURE.................67-73.
* 24 HR TREND..................4 DEGREES WARMER.
* MAX HUMIDITY....................21-38 PCT.
* 24 HR TREND..................LITTLE CHANGE.
* WINDS - 20 FOOT...SLOPE/VALLEY..SOUTHWEST 5 TO 15 MPH.
* WINDS...10000 FT MSL............SOUTH 5 TO 15 MPH IN THE EVENING
BECOMING 20 TO 30 MPH AFTER MIDNIGHT.
* CHANCE OF PRECIP................0 PERCENT.
* CWR (>= 0.10 IN)................0 PERCENT.
* CHANCE OF THUNDER...............0 PERCENT.
SUNDAY
* SKY/WEATHER.....................PARTLY SUNNY.
* MAX TEMPERATURE.................87-96.
* 24 HR TREND..................LITTLE CHANGE.
* MIN HUMIDITY....................11-16 PCT.
* 24 HR TREND..................4 PCT WETTER.
* WINDS - 20 FOOT...SLOPE/VALLEY..SOUTHEAST 5 TO 10 MPH IN THE
MORNING BECOMING SOUTH 10 TO 20 MPH IN THE AFTERNOON.
* WINDS...10000 FT MSL............SOUTH 20 TO 30 MPH.
* CHANCE OF PRECIP................0 PERCENT.
* CWR (>= 0.10 IN)................0 PERCENT.
* CHANCE OF THUNDER...............0 PERCENT.
EXTENDED
MONDAY
NOT AS WARM. PARTLY CLOUDY. LOWS 51-66. HIGHS 71-81.
WEST WINDS 15 TO 25 MPH.
TUESDAY
MOSTLY CLEAR. LOWS 51-60. HIGHS 70-79. WEST WINDS
15 TO 25 MPH.
WEDNESDAY
WARMER, CLEAR. LOWS 52-67. HIGHS 81-89. WEST WINDS
5 TO 15 MPH.
THURSDAY
CLEAR. LOWS 60-72. HIGHS 91-99.
FRIDAY
CLEAR. LOWS 65-74. HIGHS 95-104.
CAZ230-022100-
JOSHUA TREE NATIONAL PARK-
200 AM PDT SAT MAY 2 2026
TODAY
* SKY/WEATHER.....................MOSTLY SUNNY.
* MAX TEMPERATURE.................78-91.
* 24 HR TREND..................LITTLE CHANGE.
* MIN HUMIDITY....................8-12 PCT.
* 24 HR TREND..................3 PCT DRIER.
* WINDS - 20 FOOT...SLOPE/VALLEY..NORTHEAST 5 TO 10 MPH IN THE
MORNING BECOMING SOUTHEAST 5 TO 15 MPH IN THE AFTERNOON.
* WINDS...10000 FT MSL............LIGHT AND VARIABLE.
* CHANCE OF PRECIP................0 PERCENT.
* CWR (>= 0.10 IN)................0 PERCENT.
* CHANCE OF THUNDER...............0 PERCENT.
TONIGHT
* SKY/WEATHER.....................PARTLY CLOUDY.
* MIN TEMPERATURE.................57-68.
* 24 HR TREND..................3 DEGREES WARMER.
* MAX HUMIDITY....................24-32 PCT.
* 24 HR TREND..................6 PCT WETTER.
* WINDS - 20 FOOT...SLOPE/VALLEY..SOUTHWEST 5 TO 15 MPH.
* WINDS...10000 FT MSL............SOUTH 5 TO 15 MPH IN THE EVENING
BECOMING 20 TO 30 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.................75-91.
* 24 HR TREND..................LITTLE CHANGE.
* MIN HUMIDITY....................11-18 PCT.
* 24 HR TREND..................5 PCT WETTER.
* WINDS - 20 FOOT...SLOPE/VALLEY..SOUTH 5 TO 10 MPH IN THE MORNING
BECOMING 10 TO 20 MPH IN THE AFTERNOON.
* 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.
EXTENDED
MONDAY
COOLER. PARTLY CLOUDY. LOWS 39-59. HIGHS 60-77. WEST
WINDS 15 TO 25 MPH.
TUESDAY
MOSTLY CLEAR. LOWS 39-54. HIGHS 59-74. WEST WINDS
10 TO 20 MPH.
WEDNESDAY
WARMER, CLEAR. LOWS 42-63. HIGHS 73-85. NORTHWEST
WINDS 5 TO 15 MPH.
THURSDAY
CLEAR. LOWS 53-67. HIGHS 81-95.
FRIDAY
CLEAR. LOWS 58-69. HIGHS 85-99.
8 TO 10 DAY OUTLOOK
SATURDAY MAY 9TH THROUGH MONDAY MAY 11TH:
ABOVE NORMAL TEMPERATURES AND NEAR MEDIAN PRECIPITATION.
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