127
FNUS55 KPSR 091137
FWFPSR
FIRE WEATHER PLANNING FORECAST FOR SOUTHWEST AND SOUTH-CENTRAL
ARIZONA AND SOUTHEAST CALIFORNIA
NATIONAL WEATHER SERVICE PHOENIX AZ
437 AM MST FRI JAN 9 2026
DISCUSSION
BELOW NORMAL TEMPERATURES CONTINUE TODAY AND TOMORROW. THE COLD
FRONT THAT MOVE THROUGH THE REGION YESTERDAY HAS USHERED IN AN
ABUNDANCE OF DRY AIR. MINRH VALES WILL BE 15-35%, WITH OVERNIGHT
RECOVERIES IN A 40-70% RANGE. YESTERDAY'S SYSTEM HAS ALSO BROUGHT
BREEZY TO LOCALLY WINDY CONDITIONS TO THE REGION, WITH THE
HIGHEST WINDS ACROSS SE CA AND THE LOWER CO RIVER VALLEY. MOST
AREAS WILL SEE NORTHERLY WIND GUSTS OF 20-35 MPH, BUT GUSTS
UPWARDS OF 40-55 MPH GUSTS ARE POSSIBLE ACROSS THE WESTERN
DISTRICTS. THE HIGHEST GUTS ARE ALSO EXPECTED ALONG THE RIDGETOPS.
WINDS WILL TAPER OFF THIS AFTERNOON AND EVENING. WIND SPEEDS WILL
RETURN TO MORE SEASONABLE LEVELS TOMORROW.
NOTE...ADDITIONAL FIRE WEATHER FORECAST INFORMATION CAN BE FOUND
IN THE AREA FORECAST DISCUSSION. SEE PRODUCT PHXAFDPSR.
AZZ132-092345-
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-
437 AM MST FRI JAN 9 2026
TODAY
* SKY/WEATHER.....................SUNNY.
* MAX TEMPERATURE.................54-61.
* 24 HR TREND..................LITTLE CHANGE.
* MIN HUMIDITY....................18-35 PCT.
* 24 HR TREND..................24 PCT DRIER.
* WINDS - 20 FOOT...SLOPE/VALLEY..NORTH 5 TO 15 MPH.
* WINDS...10000 FT MSL............NORTH 30 TO 40 MPH.
* CHANCE OF PRECIP................0 PERCENT.
* CWR (>= 0.10 IN)................0 PERCENT.
* CHANCE OF THUNDER...............0 PERCENT.
* MIXING HEIGHT FOR PHOENIX.......5300 FT AGL.
* TRANSPORT WIND FOR PHOENIX......NORTHEAST 12 KNOTS.
* DISPERSION FOR PHOENIX..........GOOD.
TONIGHT
* SKY/WEATHER.....................CLEAR.
* MIN TEMPERATURE.................31-41.
* 24 HR TREND..................3 DEGREES COOLER.
* MAX HUMIDITY....................37-63 PCT.
* 24 HR TREND..................14 PCT DRIER.
* WINDS - 20 FOOT...SLOPE/VALLEY..NORTH 5 TO 15 MPH.
* WINDS...10000 FT MSL............NORTH 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.................58-64.
* 24 HR TREND..................3 DEGREES WARMER.
* MIN HUMIDITY....................16-27 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.......1500 FT AGL.
* TRANSPORT WIND FOR PHOENIX......EAST 5 KNOTS.
* DISPERSION FOR PHOENIX..........POOR.
EXTENDED
SUNDAY
CLEAR. LOWS 36-46. HIGHS 64-69. NORTHEAST WINDS 10 TO
20 MPH.
MONDAY
CLEAR. LOWS 38-48. HIGHS 65-70. NORTHEAST WINDS 5 TO
15 MPH.
TUESDAY
CLEAR. LOWS 39-50. HIGHS 68-73. NORTH WINDS 5 TO
15 MPH.
WEDNESDAY
CLEAR. LOWS 41-51. HIGHS 71-76.
THURSDAY
CLEAR. LOWS 43-53. HIGHS 71-77.
AZZ131-CAZ231-092345-
YUMA/MARTINEZ LAKE AND VICINITY/LOWER COLORADO RIVER VALLEY AZ-
LOWER COLORADO RIVER VALLEY CA-
437 AM MST FRI JAN 9 2026 /337 AM PST FRI JAN 9 2026/
TODAY
* SKY/WEATHER.....................SUNNY. PATCHY BLOWING DUST.
* MAX TEMPERATURE.................56-61.
* 24 HR TREND..................5 DEGREES COOLER.
* MIN HUMIDITY....................16-22 PCT.
* 24 HR TREND..................15 PCT DRIER.
* WINDS - 20 FOOT...SLOPE/VALLEY..NORTH 15 TO 25 MPH.
* WINDS...10000 FT MSL............NORTH 35 TO 45 MPH.
* CHANCE OF PRECIP................0 PERCENT.
* CWR (>= 0.10 IN)................0 PERCENT.
* CHANCE OF THUNDER...............0 PERCENT.
* MIXING HEIGHT FOR YUMA..........4200 FT AGL.
* TRANSPORT WIND FOR YUMA.........NORTH 22 KNOTS.
* DISPERSION FOR YUMA.............VERY GOOD.
TONIGHT
* SKY/WEATHER.....................CLEAR.
* MIN TEMPERATURE.................33-40.
* 24 HR TREND..................6 DEGREES COOLER.
* MAX HUMIDITY....................44-69 PCT.
* 24 HR TREND..................12 PCT WETTER.
* WINDS - 20 FOOT...SLOPE/VALLEY..NORTH 10 TO 20 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
* SKY/WEATHER.....................SUNNY.
* MAX TEMPERATURE.................60-65.
* 24 HR TREND..................3 DEGREES WARMER.
* MIN HUMIDITY....................17-23 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..........2100 FT AGL.
* TRANSPORT WIND FOR YUMA.........NORTH 17 KNOTS.
* DISPERSION FOR YUMA.............FAIR.
EXTENDED
SUNDAY
CLEAR. LOWS 34-46. HIGHS 65-70. NORTH WINDS 10 TO
20 MPH.
MONDAY
CLEAR. LOWS 36-47. HIGHS 66-71. NORTH WINDS 10 TO
20 MPH.
TUESDAY
CLEAR. LOWS 38-51. HIGHS 69-74. NORTH WINDS 5 TO
15 MPH.
WEDNESDAY
CLEAR. LOWS 44-52. HIGHS 74-79.
THURSDAY
CLEAR. LOWS 44-52. HIGHS 74-79.
AZZ133-092345-
SOUTHERN GILA COUNTY/TONTO NATIONAL FOREST FOOTHILLS-
SOUTHERN TONTO NF/WEST SAN CARLOS BIA/SOUTH PORTION FT APACHE BIA/
CAZ-
437 AM MST FRI JAN 9 2026
TODAY
* SKY/WEATHER.....................SUNNY. WIDESPREAD FROST IN THE
MORNING.
* MAX TEMPERATURE.................39-54.
* 24 HR TREND..................LITTLE CHANGE.
* MIN HUMIDITY....................29-42 PCT.
* 24 HR TREND..................48 PCT DRIER.
* WINDS - 20 FOOT...SLOPE/VALLEY..NORTH 5 TO 15 MPH.
* WINDS...10000 FT MSL............NORTH 5 TO 15 MPH IN THE MORNING
BECOMING 25 TO 35 MPH IN THE AFTERNOON.
* CHANCE OF PRECIP................0 PERCENT.
* CWR (>= 0.10 IN)................0 PERCENT.
* CHANCE OF THUNDER...............0 PERCENT.
TONIGHT
* SKY/WEATHER.....................CLEAR.
* MIN TEMPERATURE.................19-35.
* 24 HR TREND..................3 DEGREES COOLER.
* MAX HUMIDITY....................46-70 PCT.
* 24 HR TREND..................39 PCT DRIER.
* WINDS - 20 FOOT...SLOPE/VALLEY..NORTHEAST 5 TO 15 MPH.
* WINDS...10000 FT MSL............NORTH 35 TO 45 MPH IN THE EVENING
BECOMING NORTHEAST 25 TO 35 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.................46-60.
* 24 HR TREND..................6 DEGREES WARMER.
* MIN HUMIDITY....................24-36 PCT.
* 24 HR TREND..................5 PCT DRIER.
* WINDS - 20 FOOT...SLOPE/VALLEY..NORTHEAST 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
SUNDAY
CLEAR. LOWS 22-41. HIGHS 49-64. NORTHEAST WINDS 10 TO
20 MPH.
MONDAY
CLEAR. LOWS 25-43. HIGHS 52-67. NORTHEAST WINDS 10 TO
20 MPH.
TUESDAY
CLEAR. LOWS 26-47. HIGHS 57-70. NORTHEAST WINDS 5 TO
15 MPH.
WEDNESDAY
CLEAR. LOWS 31-48. HIGHS 59-73.
THURSDAY
CLEAR. LOWS 30-48. HIGHS 59-72.
CAZ232-092345-
IMPERIAL COUNTY AND EASTERN RIVERSIDE COUNTY-
337 AM PST FRI JAN 9 2026
TODAY
* SKY/WEATHER.....................SUNNY. PATCHY BLOWING DUST.
* MAX TEMPERATURE.................52-63.
* 24 HR TREND..................5 DEGREES COOLER.
* MIN HUMIDITY....................14-21 PCT.
* 24 HR TREND..................14 PCT DRIER.
* WINDS - 20 FOOT...SLOPE/VALLEY..NORTH 15 TO 25 MPH.
* WINDS...10000 FT MSL............NORTH 35 TO 45 MPH.
* CHANCE OF PRECIP................0 PERCENT.
* CWR (>= 0.10 IN)................0 PERCENT.
* CHANCE OF THUNDER...............0 PERCENT.
TONIGHT
* SKY/WEATHER.....................CLEAR.
* MIN TEMPERATURE.................37-44.
* 24 HR TREND..................3 DEGREES COOLER.
* MAX HUMIDITY....................33-52 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
* SKY/WEATHER.....................SUNNY.
* MAX TEMPERATURE.................57-66.
* 24 HR TREND..................3 DEGREES WARMER.
* MIN HUMIDITY....................16-22 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.
EXTENDED
SUNDAY
CLEAR. LOWS 38-49. HIGHS 61-70. NORTH WINDS 10 TO
20 MPH.
MONDAY
CLEAR. LOWS 41-52. HIGHS 64-72. NORTH WINDS 5 TO
15 MPH.
TUESDAY
CLEAR. LOWS 43-57. HIGHS 69-76. NORTH WINDS 5 TO
15 MPH.
WEDNESDAY
CLEAR. LOWS 49-57. HIGHS 72-80.
THURSDAY
CLEAR. LOWS 49-56. HIGHS 72-80.
CAZ230-092345-
JOSHUA TREE NATIONAL PARK-
337 AM PST FRI JAN 9 2026
TODAY
* SKY/WEATHER.....................MOSTLY SUNNY.
* MAX TEMPERATURE.................42-54.
* 24 HR TREND..................4 DEGREES COOLER.
* MIN HUMIDITY....................18-24 PCT.
* 24 HR TREND..................12 PCT DRIER.
* WINDS - 20 FOOT...SLOPE/VALLEY..NORTH 15 TO 25 MPH.
* WINDS...10000 FT MSL............NORTH 40 TO 50 MPH IN THE MORNING
BECOMING NORTHEAST 30 TO 40 MPH IN THE AFTERNOON.
* CHANCE OF PRECIP................0 PERCENT.
* CWR (>= 0.10 IN)................0 PERCENT.
* CHANCE OF THUNDER...............0 PERCENT.
TONIGHT
* SKY/WEATHER.....................CLEAR.
* MIN TEMPERATURE.................30-38.
* 24 HR TREND..................LITTLE CHANGE.
* MAX HUMIDITY....................34-45 PCT.
* 24 HR TREND..................8 PCT DRIER.
* WINDS - 20 FOOT...SLOPE/VALLEY..NORTH 10 TO 20 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
* SKY/WEATHER.....................SUNNY.
* MAX TEMPERATURE.................47-59.
* 24 HR TREND..................5 DEGREES WARMER.
* MIN HUMIDITY....................19-24 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.
EXTENDED
SUNDAY
CLEAR. LOWS 34-45. HIGHS 53-63. NORTH WINDS 10 TO
20 MPH.
MONDAY
MOSTLY CLEAR. LOWS 38-49. HIGHS 57-66. NORTHWEST WINDS
5 TO 15 MPH.
TUESDAY
CLEAR. LOWS 43-54. HIGHS 62-70. NORTHWEST WINDS 10 TO
20 MPH.
WEDNESDAY
CLEAR. LOWS 46-54. HIGHS 63-74.
THURSDAY
CLEAR. LOWS 45-53. HIGHS 64-74.
8 TO 10 DAY OUTLOOK
FRIDAY JANUARY 16TH THROUGH SUNDAY JANUARY
18TH: ABOVE NORMAL TEMPERATURES AND NEAR MEDIAN PRECIPITATION.
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