301
FNUS55 KPSR 092023
FWFPSR
FIRE WEATHER PLANNING FORECAST FOR SOUTHWEST AND SOUTH-CENTRAL
ARIZONA AND SOUTHEAST CALIFORNIA
NATIONAL WEATHER SERVICE PHOENIX AZ
123 PM MST FRI JAN 9 2026
DISCUSSION
DRY NORTHERLY TO NORTHEASTERLY WINDS WILL PREVAIL THROUGH THE
WEEKEND, WITH BELOW NORMAL TEMPERATURES SATURDAY WARMING TO NEAR
OR SLIGHTLY ABOVE NORMAL BY SUNDAY. ANTICIPATE BREEZY NORTHEAST
WINDS DURING THE AFTERNOONS, WITH GUSTS GENERALLY PEAKING AROUND
20-30 MPH. AFTERNOON MINRHS WILL MOSTLY RANGE BETWEEN 15-25%
AREAWIDE, WITH LOCALLY HIGHER VALUES OVER HIGHER TERRAIN AREAS
EAST OF PHOENIX. OVERNIGHT RECOVERIES WILL RANGE BETWEEN 40-70%.
NOTE...ADDITIONAL FIRE WEATHER FORECAST INFORMATION CAN BE FOUND
IN THE AREA FORECAST DISCUSSION. SEE PRODUCT PHXAFDPSR.
AZZ132-100830-
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-
123 PM MST FRI JAN 9 2026
TONIGHT
* SKY/WEATHER.....................CLEAR.
* MIN TEMPERATURE.................31-41.
* 24 HR TREND..................3 DEGREES COOLER.
* MAX HUMIDITY....................36-62 PCT.
* 24 HR TREND..................14 PCT DRIER.
* WINDS - 20 FOOT...SLOPE/VALLEY..NORTH 5 TO 15 MPH.
* WINDS...10000 FT MSL............NORTHEAST 30 TO 40 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.
SATURDAY
* SKY/WEATHER.....................SUNNY.
* MAX TEMPERATURE.................58-64.
* 24 HR TREND..................3 DEGREES WARMER.
* MIN HUMIDITY....................15-26 PCT.
* 24 HR TREND..................4 PCT DRIER.
* WINDS - 20 FOOT...SLOPE/VALLEY..NORTHEAST 5 TO 15 MPH.
* WINDS...10000 FT MSL............NORTHEAST 20 TO 30 MPH.
* CHANCE OF PRECIP................0 PERCENT.
* CWR (>= 0.10 IN)................0 PERCENT.
* CHANCE OF THUNDER...............0 PERCENT.
* MIXING HEIGHT FOR PHOENIX.......1300 FT AGL.
* TRANSPORT WIND FOR PHOENIX......EAST 5 KNOTS.
* DISPERSION FOR PHOENIX..........POOR.
SATURDAY NIGHT
* SKY/WEATHER.....................CLEAR.
* MIN TEMPERATURE.................35-45.
* 24 HR TREND..................5 DEGREES WARMER.
* MAX HUMIDITY....................35-58 PCT.
* 24 HR TREND..................LITTLE RH CHANGE.
* WINDS - 20 FOOT...SLOPE/VALLEY..NORTHEAST 5 TO 15 MPH.
* WINDS...10000 FT MSL............EAST 25 TO 35 MPH.
* CHANCE OF PRECIP................0 PERCENT.
* CWR (>= 0.10 IN)................0 PERCENT.
* CHANCE OF THUNDER...............0 PERCENT.
SUNDAY
* SKY/WEATHER.....................SUNNY.
* MAX TEMPERATURE.................63-69.
* 24 HR TREND..................5 DEGREES WARMER.
* MIN HUMIDITY....................15-22 PCT.
* 24 HR TREND..................LITTLE CHANGE.
* WINDS - 20 FOOT...SLOPE/VALLEY..NORTHEAST 5 TO 15 MPH.
* WINDS...10000 FT MSL............EAST 15 TO 25 MPH.
* CHANCE OF PRECIP................0 PERCENT.
* CWR (>= 0.10 IN)................0 PERCENT.
* CHANCE OF THUNDER...............0 PERCENT.
* MIXING HEIGHT FOR PHOENIX.......1200 FT AGL.
* TRANSPORT WIND FOR PHOENIX......EAST 9 KNOTS.
* DISPERSION FOR PHOENIX..........MARGINAL.
EXTENDED
MONDAY
CLEAR. LOWS 38-48. HIGHS 65-71. NORTHEAST WINDS 5 TO
15 MPH.
TUESDAY
CLEAR. LOWS 39-50. HIGHS 68-73. NORTH WINDS 5 TO
15 MPH.
WEDNESDAY
CLEAR. LOWS 41-52. HIGHS 72-77. NORTHEAST WINDS 5 TO
15 MPH.
THURSDAY
CLEAR. LOWS 44-54. HIGHS 72-77.
FRIDAY
MOSTLY CLEAR. LOWS 43-53. HIGHS 71-76.
AZZ131-CAZ231-100830-
YUMA/MARTINEZ LAKE AND VICINITY/LOWER COLORADO RIVER VALLEY AZ-
LOWER COLORADO RIVER VALLEY CA-
123 PM MST FRI JAN 9 2026 /1223 PM PST FRI JAN 9 2026/
TONIGHT
* SKY/WEATHER.....................CLEAR.
* MIN TEMPERATURE.................33-41.
* 24 HR TREND..................5 DEGREES COOLER.
* MAX HUMIDITY....................42-67 PCT.
* 24 HR TREND..................11 PCT WETTER.
* WINDS - 20 FOOT...SLOPE/VALLEY..NORTH 10 TO 20 MPH.
* WINDS...10000 FT MSL............NORTHEAST 25 TO 35 MPH.
* CHANCE OF PRECIP................0 PERCENT.
* CWR (>= 0.10 IN)................0 PERCENT.
* CHANCE OF THUNDER...............0 PERCENT.
SATURDAY
* SKY/WEATHER.....................SUNNY.
* MAX TEMPERATURE.................60-65.
* 24 HR TREND..................3 DEGREES WARMER.
* MIN HUMIDITY....................16-21 PCT.
* 24 HR TREND..................LITTLE CHANGE.
* WINDS - 20 FOOT...SLOPE/VALLEY..NORTH 5 TO 15 MPH.
* WINDS...10000 FT MSL............NORTHEAST 20 TO 30 MPH.
* CHANCE OF PRECIP................0 PERCENT.
* CWR (>= 0.10 IN)................0 PERCENT.
* CHANCE OF THUNDER...............0 PERCENT.
* MIXING HEIGHT FOR YUMA..........2000 FT AGL.
* TRANSPORT WIND FOR YUMA.........NORTH 17 KNOTS.
* DISPERSION FOR YUMA.............FAIR.
SATURDAY NIGHT
* SKY/WEATHER.....................CLEAR.
* MIN TEMPERATURE.................33-43.
* 24 HR TREND..................LITTLE CHANGE.
* MAX HUMIDITY....................45-77 PCT.
* 24 HR TREND..................5 PCT WETTER.
* WINDS - 20 FOOT...SLOPE/VALLEY..NORTH 5 TO 15 MPH.
* WINDS...10000 FT MSL............NORTHEAST 25 TO 35 MPH.
* CHANCE OF PRECIP................0 PERCENT.
* CWR (>= 0.10 IN)................0 PERCENT.
* CHANCE OF THUNDER...............0 PERCENT.
SUNDAY
* SKY/WEATHER.....................SUNNY.
* MAX TEMPERATURE.................65-70.
* 24 HR TREND..................4 DEGREES WARMER.
* MIN HUMIDITY....................17-24 PCT.
* 24 HR TREND..................LITTLE RH CHANGE.
* WINDS - 20 FOOT...SLOPE/VALLEY..NORTH 5 TO 15 MPH.
* WINDS...10000 FT MSL............NORTHEAST 15 TO 25 MPH.
* CHANCE OF PRECIP................0 PERCENT.
* CWR (>= 0.10 IN)................0 PERCENT.
* CHANCE OF THUNDER...............0 PERCENT.
* MIXING HEIGHT FOR YUMA..........1400 FT AGL.
* TRANSPORT WIND FOR YUMA.........NORTH 13 KNOTS.
* DISPERSION FOR YUMA.............MARGINAL.
EXTENDED
MONDAY
CLEAR. LOWS 34-47. HIGHS 66-71. NORTH WINDS 10 TO
20 MPH.
TUESDAY
CLEAR. LOWS 38-50. HIGHS 69-74. NORTH WINDS 5 TO
15 MPH.
WEDNESDAY
CLEAR. LOWS 42-51. HIGHS 74-79. NORTH WINDS 5 TO
15 MPH.
THURSDAY
CLEAR. LOWS 44-52. HIGHS 74-79.
FRIDAY
MOSTLY CLEAR. LOWS 43-52. HIGHS 73-78.
AZZ133-100830-
SOUTHERN GILA COUNTY/TONTO NATIONAL FOREST FOOTHILLS-
SOUTHERN TONTO NF/WEST SAN CARLOS BIA/SOUTH PORTION FT APACHE BIA/
CAZ-
123 PM MST FRI JAN 9 2026
TONIGHT
* SKY/WEATHER.....................CLEAR.
* MIN TEMPERATURE.................20-35.
* 24 HR TREND..................3 DEGREES COOLER.
* MAX HUMIDITY....................46-70 PCT.
* 24 HR TREND..................40 PCT DRIER.
* WINDS - 20 FOOT...SLOPE/VALLEY..NORTHEAST 5 TO 15 MPH.
* WINDS...10000 FT MSL............NORTHEAST 25 TO 35 MPH.
* CHANCE OF PRECIP................0 PERCENT.
* CWR (>= 0.10 IN)................0 PERCENT.
* CHANCE OF THUNDER...............0 PERCENT.
SATURDAY
* SKY/WEATHER.....................SUNNY.
* MAX TEMPERATURE.................45-59.
* 24 HR TREND..................5 DEGREES WARMER.
* MIN HUMIDITY....................24-36 PCT.
* 24 HR TREND..................6 PCT DRIER.
* WINDS - 20 FOOT...SLOPE/VALLEY..NORTHEAST 5 TO 15 MPH.
* WINDS...10000 FT MSL............NORTHEAST 20 TO 30 MPH.
* CHANCE OF PRECIP................0 PERCENT.
* CWR (>= 0.10 IN)................0 PERCENT.
* CHANCE OF THUNDER...............0 PERCENT.
SATURDAY NIGHT
* SKY/WEATHER.....................CLEAR.
* MIN TEMPERATURE.................22-39.
* 24 HR TREND..................4 DEGREES WARMER.
* MAX HUMIDITY....................43-68 PCT.
* 24 HR TREND..................LITTLE RH CHANGE.
* WINDS - 20 FOOT...SLOPE/VALLEY..NORTHEAST 5 TO 15 MPH.
* WINDS...10000 FT MSL............EAST 25 TO 35 MPH.
* CHANCE OF PRECIP................0 PERCENT.
* CWR (>= 0.10 IN)................0 PERCENT.
* CHANCE OF THUNDER...............0 PERCENT.
SUNDAY
* SKY/WEATHER.....................SUNNY.
* MAX TEMPERATURE.................49-64.
* 24 HR TREND..................5 DEGREES WARMER.
* MIN HUMIDITY....................22-30 PCT.
* 24 HR TREND..................4 PCT DRIER.
* WINDS - 20 FOOT...SLOPE/VALLEY..EAST 5 TO 15 MPH.
* WINDS...10000 FT MSL............SOUTHEAST 20 TO 30 MPH.
* CHANCE OF PRECIP................0 PERCENT.
* CWR (>= 0.10 IN)................0 PERCENT.
* CHANCE OF THUNDER...............0 PERCENT.
EXTENDED
MONDAY
CLEAR. LOWS 25-43. HIGHS 52-66. NORTHEAST WINDS 10 TO
20 MPH.
TUESDAY
CLEAR. LOWS 26-47. HIGHS 57-70. NORTHEAST WINDS 5 TO
15 MPH.
WEDNESDAY
CLEAR. LOWS 32-49. HIGHS 60-74. NORTHEAST WINDS 5 TO
15 MPH.
THURSDAY
CLEAR. LOWS 32-49. HIGHS 60-73.
FRIDAY
MOSTLY CLEAR. LOWS 30-48. HIGHS 57-71.
CAZ232-100830-
IMPERIAL COUNTY AND EASTERN RIVERSIDE COUNTY-
1223 PM PST FRI JAN 9 2026
TONIGHT
* SKY/WEATHER.....................CLEAR.
* MIN TEMPERATURE.................37-44.
* 24 HR TREND..................LITTLE CHANGE.
* MAX HUMIDITY....................33-53 PCT.
* 24 HR TREND..................LITTLE RH CHANGE.
* WINDS - 20 FOOT...SLOPE/VALLEY..NORTH 10 TO 20 MPH.
* WINDS...10000 FT MSL............NORTHEAST 25 TO 35 MPH.
* CHANCE OF PRECIP................0 PERCENT.
* CWR (>= 0.10 IN)................0 PERCENT.
* CHANCE OF THUNDER...............0 PERCENT.
SATURDAY
* SKY/WEATHER.....................SUNNY.
* MAX TEMPERATURE.................57-66.
* 24 HR TREND..................4 DEGREES WARMER.
* MIN HUMIDITY....................15-22 PCT.
* 24 HR TREND..................LITTLE RH CHANGE.
* WINDS - 20 FOOT...SLOPE/VALLEY..NORTH 5 TO 15 MPH.
* WINDS...10000 FT MSL............NORTHEAST 20 TO 30 MPH.
* CHANCE OF PRECIP................0 PERCENT.
* CWR (>= 0.10 IN)................0 PERCENT.
* CHANCE OF THUNDER...............0 PERCENT.
SATURDAY NIGHT
* SKY/WEATHER.....................CLEAR.
* MIN TEMPERATURE.................38-46.
* 24 HR TREND..................LITTLE CHANGE.
* MAX HUMIDITY....................37-61 PCT.
* 24 HR TREND..................6 PCT WETTER.
* WINDS - 20 FOOT...SLOPE/VALLEY..NORTH 5 TO 15 MPH.
* WINDS...10000 FT MSL............NORTHEAST 25 TO 35 MPH.
* CHANCE OF PRECIP................0 PERCENT.
* CWR (>= 0.10 IN)................0 PERCENT.
* CHANCE OF THUNDER...............0 PERCENT.
SUNDAY
* SKY/WEATHER.....................SUNNY.
* MAX TEMPERATURE.................62-70.
* 24 HR TREND..................4 DEGREES WARMER.
* MIN HUMIDITY....................18-24 PCT.
* 24 HR TREND..................3 PCT WETTER.
* WINDS - 20 FOOT...SLOPE/VALLEY..NORTH 5 TO 15 MPH.
* WINDS...10000 FT MSL............NORTHEAST 20 TO 30 MPH.
* CHANCE OF PRECIP................0 PERCENT.
* CWR (>= 0.10 IN)................0 PERCENT.
* CHANCE OF THUNDER...............0 PERCENT.
EXTENDED
MONDAY
CLEAR. LOWS 39-52. HIGHS 64-72. NORTH WINDS 5 TO
15 MPH.
TUESDAY
CLEAR. LOWS 43-56. HIGHS 69-75. NORTH WINDS 5 TO
15 MPH.
WEDNESDAY
CLEAR. LOWS 46-56. HIGHS 72-80. NORTH WINDS 5 TO
15 MPH.
THURSDAY
CLEAR. LOWS 48-56. HIGHS 72-80.
FRIDAY
MOSTLY CLEAR. LOWS 47-56. HIGHS 70-78.
CAZ230-100830-
JOSHUA TREE NATIONAL PARK-
1223 PM PST FRI JAN 9 2026
TONIGHT
* SKY/WEATHER.....................CLEAR.
* MIN TEMPERATURE.................31-38.
* 24 HR TREND..................LITTLE CHANGE.
* MAX HUMIDITY....................33-45 PCT.
* 24 HR TREND..................8 PCT DRIER.
* WINDS - 20 FOOT...SLOPE/VALLEY..NORTH 10 TO 20 MPH.
* WINDS...10000 FT MSL............NORTHEAST 25 TO 35 MPH.
* CHANCE OF PRECIP................0 PERCENT.
* CWR (>= 0.10 IN)................0 PERCENT.
* CHANCE OF THUNDER...............0 PERCENT.
SATURDAY
* SKY/WEATHER.....................SUNNY.
* MAX TEMPERATURE.................48-59.
* 24 HR TREND..................5 DEGREES WARMER.
* MIN HUMIDITY....................18-24 PCT.
* 24 HR TREND..................LITTLE RH CHANGE.
* WINDS - 20 FOOT...SLOPE/VALLEY..NORTH 5 TO 15 MPH.
* WINDS...10000 FT MSL............NORTHEAST 20 TO 30 MPH.
* CHANCE OF PRECIP................0 PERCENT.
* CWR (>= 0.10 IN)................0 PERCENT.
* CHANCE OF THUNDER...............0 PERCENT.
SATURDAY NIGHT
* SKY/WEATHER.....................CLEAR.
* MIN TEMPERATURE.................33-41.
* 24 HR TREND..................LITTLE CHANGE.
* MAX HUMIDITY....................37-49 PCT.
* 24 HR TREND..................3 PCT WETTER.
* WINDS - 20 FOOT...SLOPE/VALLEY..NORTHWEST 5 TO 15 MPH.
* WINDS...10000 FT MSL............NORTHEAST 20 TO 30 MPH.
* CHANCE OF PRECIP................0 PERCENT.
* CWR (>= 0.10 IN)................0 PERCENT.
* CHANCE OF THUNDER...............0 PERCENT.
SUNDAY
* SKY/WEATHER.....................SUNNY.
* MAX TEMPERATURE.................52-63.
* 24 HR TREND..................5 DEGREES WARMER.
* MIN HUMIDITY....................20-26 PCT.
* 24 HR TREND..................LITTLE RH CHANGE.
* WINDS - 20 FOOT...SLOPE/VALLEY..NORTH 5 TO 15 MPH.
* WINDS...10000 FT MSL............NORTHEAST 15 TO 25 MPH.
* CHANCE OF PRECIP................0 PERCENT.
* CWR (>= 0.10 IN)................0 PERCENT.
* CHANCE OF THUNDER...............0 PERCENT.
EXTENDED
MONDAY
CLEAR. LOWS 37-49. HIGHS 56-66. NORTH WINDS 5 TO
15 MPH.
TUESDAY
CLEAR. LOWS 42-53. HIGHS 61-70. NORTHWEST WINDS 10 TO
20 MPH.
WEDNESDAY
CLEAR. LOWS 46-53. HIGHS 64-74. NORTHWEST WINDS
10 TO 20 MPH.
THURSDAY
CLEAR. LOWS 45-53. HIGHS 64-74.
FRIDAY
MOSTLY CLEAR. LOWS 40-53. HIGHS 60-71.
8 TO 10 DAY OUTLOOK
SATURDAY JANUARY 17TH THROUGH MONDAY
JANUARY 19TH: ABOVE NORMAL TEMPERATURES AND BELOW MEDIAN
PRECIPITATION.
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