924
FNUS55 KPSR 310727
FWFPSR
FIRE WEATHER PLANNING FORECAST FOR SOUTHWEST AND SOUTH-CENTRAL
ARIZONA AND SOUTHEAST CALIFORNIA
NATIONAL WEATHER SERVICE PHOENIX AZ
1227 AM MST SAT JAN 31 2026
DISCUSSION
DRY WEATHER CONDITIONS WILL PREVAIL THIS WEEKEND, WITH AFTERNOON
MINRH VALUES IN THE 12-20% RANGE. OVERNIGHT RECOVERIES WILL
REMAIN POOR TO FAIR WITH HUMIDITIES MOSTLY BETWEEN 30-55%. WINDS
WILL REMAIN BREEZY AT TIMES, WITH THE STRONGEST GUSTS OF 20-25 MPH
POSSIBLE ACROSS THE ARIZONA HIGH TERRAIN. TEMPERATURES WILL WARM
FURTHER THIS WEEKEND WITH LOWER DESERT HIGHS LIKELY TOPPING 80
DEGREES IN MANY LOCATIONS BY SUNDAY.
NOTE...ADDITIONAL FIRE WEATHER FORECAST INFORMATION CAN BE FOUND
IN THE AREA FORECAST DISCUSSION. SEE PRODUCT PHXAFDPSR.
AZZ132-311930-
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-
1227 AM MST SAT JAN 31 2026
TODAY
* SKY/WEATHER.....................SUNNY.
* MAX TEMPERATURE.................74-80.
* 24 HR TREND..................3 DEGREES WARMER.
* MIN HUMIDITY....................12-16 PCT.
* 24 HR TREND..................LITTLE RH CHANGE.
* WINDS - 20 FOOT...SLOPE/VALLEY..NORTHEAST 5 TO 15 MPH.
* WINDS...10000 FT MSL............NORTHEAST 10 TO 20 MPH.
* CHANCE OF PRECIP................0 PERCENT.
* CWR (>= 0.10 IN)................0 PERCENT.
* CHANCE OF THUNDER...............0 PERCENT.
* MIXING HEIGHT FOR PHOENIX.......2000 FT AGL.
* TRANSPORT WIND FOR PHOENIX......NORTHEAST 3 KNOTS.
* DISPERSION FOR PHOENIX..........POOR.
TONIGHT
* SKY/WEATHER.....................CLEAR.
* MIN TEMPERATURE.................45-55.
* 24 HR TREND..................LITTLE CHANGE.
* MAX HUMIDITY....................30-53 PCT.
* 24 HR TREND..................5 PCT WETTER.
* WINDS - 20 FOOT...SLOPE/VALLEY..NORTHEAST 5 TO 15 MPH.
* WINDS...10000 FT MSL............EAST 10 TO 20 MPH.
* CHANCE OF PRECIP................0 PERCENT.
* CWR (>= 0.10 IN)................0 PERCENT.
* CHANCE OF THUNDER...............0 PERCENT.
SUNDAY
* SKY/WEATHER.....................MOSTLY SUNNY.
* MAX TEMPERATURE.................77-82.
* 24 HR TREND..................LITTLE CHANGE.
* MIN HUMIDITY....................14-18 PCT.
* 24 HR TREND..................LITTLE RH CHANGE.
* WINDS - 20 FOOT...SLOPE/VALLEY..EAST 5 TO 15 MPH.
* WINDS...10000 FT MSL............SOUTHEAST 10 TO 20 MPH.
* CHANCE OF PRECIP................0 PERCENT.
* CWR (>= 0.10 IN)................0 PERCENT.
* CHANCE OF THUNDER...............0 PERCENT.
* MIXING HEIGHT FOR PHOENIX.......2100 FT AGL.
* TRANSPORT WIND FOR PHOENIX......EAST 5 KNOTS.
* DISPERSION FOR PHOENIX..........MARGINAL.
EXTENDED
MONDAY
PARTLY CLOUDY. LOWS 47-57. HIGHS 73-78. SOUTHEAST WINDS
5 TO 10 MPH.
TUESDAY
MOSTLY CLEAR. LOWS 47-57. HIGHS 76-81. NORTH WINDS
5 TO 15 MPH.
WEDNESDAY
CLEAR. LOWS 47-58. HIGHS 78-84. NORTHEAST WINDS
10 TO 20 MPH. MINIMUM RELATIVE HUMIDITY MAY BE LOWER THAN
15 PERCENT.
THURSDAY
MOSTLY CLEAR. LOWS 50-60. HIGHS 75-80.
FRIDAY
MOSTLY CLEAR. LOWS 49-59. HIGHS 74-80.
AZZ131-CAZ231-311930-
YUMA/MARTINEZ LAKE AND VICINITY/LOWER COLORADO RIVER VALLEY AZ-
LOWER COLORADO RIVER VALLEY CA-
1227 AM MST SAT JAN 31 2026 /1127 PM PST FRI JAN 30 2026/
TODAY
* SKY/WEATHER.....................SUNNY.
* MAX TEMPERATURE.................76-81.
* 24 HR TREND..................LITTLE CHANGE.
* MIN HUMIDITY....................13-17 PCT.
* 24 HR TREND..................LITTLE RH CHANGE.
* WINDS - 20 FOOT...SLOPE/VALLEY..NORTH 5 TO 15 MPH.
* WINDS...10000 FT MSL............NORTHEAST 10 TO 20 MPH.
* CHANCE OF PRECIP................0 PERCENT.
* CWR (>= 0.10 IN)................0 PERCENT.
* CHANCE OF THUNDER...............0 PERCENT.
* MIXING HEIGHT FOR YUMA..........3500 FT AGL.
* TRANSPORT WIND FOR YUMA.........NORTH 9 KNOTS.
* DISPERSION FOR YUMA.............FAIR.
TONIGHT
* SKY/WEATHER.....................CLEAR.
* MIN TEMPERATURE.................42-53.
* 24 HR TREND..................LITTLE CHANGE.
* MAX HUMIDITY....................36-62 PCT.
* 24 HR TREND..................3 PCT WETTER.
* WINDS - 20 FOOT...SLOPE/VALLEY..NORTH 5 TO 15 MPH.
* WINDS...10000 FT MSL............EAST 10 TO 20 MPH.
* CHANCE OF PRECIP................0 PERCENT.
* CWR (>= 0.10 IN)................0 PERCENT.
* CHANCE OF THUNDER...............0 PERCENT.
SUNDAY
* SKY/WEATHER.....................MOSTLY SUNNY.
* MAX TEMPERATURE.................77-82.
* 24 HR TREND..................LITTLE CHANGE.
* MIN HUMIDITY....................15-19 PCT.
* 24 HR TREND..................3 PCT WETTER.
* WINDS - 20 FOOT...SLOPE/VALLEY..NORTH 5 TO 15 MPH.
* WINDS...10000 FT MSL............SOUTHEAST 10 TO 20 MPH.
* CHANCE OF PRECIP................0 PERCENT.
* CWR (>= 0.10 IN)................0 PERCENT.
* CHANCE OF THUNDER...............0 PERCENT.
* MIXING HEIGHT FOR YUMA..........3400 FT AGL.
* TRANSPORT WIND FOR YUMA.........EAST 6 KNOTS.
* DISPERSION FOR YUMA.............MARGINAL.
EXTENDED
MONDAY
PARTLY CLOUDY. LOWS 45-53. HIGHS 75-80. NORTH WINDS
5 TO 10 MPH.
TUESDAY
MOSTLY CLEAR. LOWS 45-55. HIGHS 78-83. NORTH WINDS
5 TO 15 MPH.
WEDNESDAY
CLEAR. LOWS 46-58. HIGHS 79-84. NORTH WINDS 10 TO
20 MPH. MINIMUM RELATIVE HUMIDITY MAY BE LOWER THAN 15 PERCENT.
THURSDAY
MOSTLY CLEAR. LOWS 49-58. HIGHS 77-82.
FRIDAY
MOSTLY CLEAR. LOWS 48-55. HIGHS 76-81.
AZZ133-311930-
SOUTHERN GILA COUNTY/TONTO NATIONAL FOREST FOOTHILLS-
SOUTHERN TONTO NF/WEST SAN CARLOS BIA/SOUTH PORTION FT APACHE BIA/
CAZ-
1227 AM MST SAT JAN 31 2026
TODAY
* SKY/WEATHER.....................SUNNY.
* MAX TEMPERATURE.................61-75.
* 24 HR TREND..................LITTLE CHANGE.
* MIN HUMIDITY....................16-22 PCT.
* 24 HR TREND..................LITTLE RH CHANGE.
* WINDS - 20 FOOT...SLOPE/VALLEY..EAST 5 TO 15 MPH.
* WINDS...10000 FT MSL............NORTHEAST 10 TO 20 MPH.
* CHANCE OF PRECIP................0 PERCENT.
* CWR (>= 0.10 IN)................0 PERCENT.
* CHANCE OF THUNDER...............0 PERCENT.
TONIGHT
* SKY/WEATHER.....................CLEAR.
* MIN TEMPERATURE.................35-52.
* 24 HR TREND..................3 DEGREES WARMER.
* MAX HUMIDITY....................33-60 PCT.
* 24 HR TREND..................4 PCT WETTER.
* WINDS - 20 FOOT...SLOPE/VALLEY..NORTHEAST 5 TO 15 MPH.
* WINDS...10000 FT MSL............NORTHEAST 10 TO 20 MPH.
* CHANCE OF PRECIP................0 PERCENT.
* CWR (>= 0.10 IN)................0 PERCENT.
* CHANCE OF THUNDER...............0 PERCENT.
SUNDAY
* SKY/WEATHER.....................SUNNY.
* MAX TEMPERATURE.................62-77.
* 24 HR TREND..................LITTLE CHANGE.
* MIN HUMIDITY....................17-25 PCT.
* 24 HR TREND..................LITTLE RH CHANGE.
* WINDS - 20 FOOT...SLOPE/VALLEY..EAST 5 TO 15 MPH.
* WINDS...10000 FT MSL............LIGHT AND VARIABLE.
* CHANCE OF PRECIP................0 PERCENT.
* CWR (>= 0.10 IN)................0 PERCENT.
* CHANCE OF THUNDER...............0 PERCENT.
EXTENDED
MONDAY
PARTLY CLOUDY. LOWS 38-53. HIGHS 62-75. NORTHEAST WINDS
5 TO 15 MPH.
TUESDAY
MOSTLY CLEAR. LOWS 35-52. HIGHS 64-77. NORTH WINDS
5 TO 15 MPH.
WEDNESDAY
CLEAR. LOWS 35-53. HIGHS 63-78. NORTHEAST WINDS
10 TO 20 MPH.
THURSDAY
MOSTLY CLEAR. LOWS 36-53. HIGHS 59-74.
FRIDAY
MOSTLY CLEAR. LOWS 37-53. HIGHS 61-75.
CAZ232-311930-
IMPERIAL COUNTY AND EASTERN RIVERSIDE COUNTY-
1127 PM PST FRI JAN 30 2026
TODAY
* SKY/WEATHER.....................SUNNY.
* MAX TEMPERATURE.................72-80.
* 24 HR TREND..................LITTLE CHANGE.
* MIN HUMIDITY....................13-18 PCT.
* 24 HR TREND..................LITTLE RH CHANGE.
* WINDS - 20 FOOT...SLOPE/VALLEY..NORTH 5 TO 15 MPH.
* WINDS...10000 FT MSL............NORTHEAST 10 TO 20 MPH.
* CHANCE OF PRECIP................0 PERCENT.
* CWR (>= 0.10 IN)................0 PERCENT.
* CHANCE OF THUNDER...............0 PERCENT.
TONIGHT
* SKY/WEATHER.....................CLEAR.
* MIN TEMPERATURE.................47-57.
* 24 HR TREND..................LITTLE CHANGE.
* MAX HUMIDITY....................29-54 PCT.
* 24 HR TREND..................LITTLE CHANGE.
* WINDS - 20 FOOT...SLOPE/VALLEY..NORTHWEST 5 TO 15 MPH.
* WINDS...10000 FT MSL............EAST 10 TO 15 MPH.
* CHANCE OF PRECIP................0 PERCENT.
* CWR (>= 0.10 IN)................0 PERCENT.
* CHANCE OF THUNDER...............0 PERCENT.
SUNDAY
* SKY/WEATHER.....................MOSTLY SUNNY.
* MAX TEMPERATURE.................74-82.
* 24 HR TREND..................LITTLE CHANGE.
* MIN HUMIDITY....................15-20 PCT.
* 24 HR TREND..................LITTLE RH CHANGE.
* WINDS - 20 FOOT...SLOPE/VALLEY..NORTH 5 TO 15 MPH.
* WINDS...10000 FT MSL............SOUTHEAST 10 TO 20 MPH.
* CHANCE OF PRECIP................0 PERCENT.
* CWR (>= 0.10 IN)................0 PERCENT.
* CHANCE OF THUNDER...............0 PERCENT.
EXTENDED
MONDAY
PARTLY CLOUDY. LOWS 48-58. HIGHS 72-80. NORTH WINDS
5 TO 10 MPH.
TUESDAY
MOSTLY CLEAR. LOWS 50-60. HIGHS 75-83. NORTH WINDS
5 TO 15 MPH.
WEDNESDAY
CLEAR. LOWS 51-60. HIGHS 75-84. NORTH WINDS 10 TO
20 MPH. MINIMUM RELATIVE HUMIDITY MAY BE LOWER THAN 15 PERCENT.
THURSDAY
MOSTLY CLEAR. LOWS 51-59. HIGHS 73-81.
FRIDAY
MOSTLY CLEAR. LOWS 51-58. HIGHS 72-81.
CAZ230-311930-
JOSHUA TREE NATIONAL PARK-
1127 PM PST FRI JAN 30 2026
TODAY
* SKY/WEATHER.....................SUNNY.
* MAX TEMPERATURE.................64-75.
* 24 HR TREND..................LITTLE CHANGE.
* MIN HUMIDITY....................15-20 PCT.
* 24 HR TREND..................LITTLE CHANGE.
* WINDS - 20 FOOT...SLOPE/VALLEY..NORTH 5 TO 15 MPH.
* WINDS...10000 FT MSL............NORTHEAST 5 TO 15 MPH.
* CHANCE OF PRECIP................0 PERCENT.
* CWR (>= 0.10 IN)................0 PERCENT.
* CHANCE OF THUNDER...............0 PERCENT.
TONIGHT
* SKY/WEATHER.....................CLEAR.
* MIN TEMPERATURE.................45-53.
* 24 HR TREND..................LITTLE CHANGE.
* MAX HUMIDITY....................29-41 PCT.
* 24 HR TREND..................LITTLE RH CHANGE.
* WINDS - 20 FOOT...SLOPE/VALLEY..NORTH 5 TO 15 MPH.
* WINDS...10000 FT MSL............LIGHT AND VARIABLE IN THE EVENING
BECOMING SOUTHEAST 5 TO 15 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.................66-76.
* 24 HR TREND..................LITTLE CHANGE.
* MIN HUMIDITY....................16-21 PCT.
* 24 HR TREND..................LITTLE RH CHANGE.
* WINDS - 20 FOOT...SLOPE/VALLEY..NORTH 5 TO 10 MPH IN THE MORNING
BECOMING EAST 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.
* CHANCE OF THUNDER...............0 PERCENT.
EXTENDED
MONDAY
PARTLY CLOUDY. LOWS 46-55. HIGHS 65-76. NORTHWEST WINDS
5 TO 10 MPH.
TUESDAY
CLEAR. LOWS 47-55. HIGHS 66-77. NORTHWEST WINDS 10 TO
20 MPH.
WEDNESDAY
CLEAR. LOWS 47-55. HIGHS 66-77. NORTH WINDS 10 TO
20 MPH. MINIMUM RELATIVE HUMIDITY MAY BE LOWER THAN 15 PERCENT.
THURSDAY
MOSTLY CLEAR. LOWS 46-54. HIGHS 64-74.
FRIDAY
MOSTLY CLEAR. LOWS 46-54. HIGHS 64-75.
8 TO 10 DAY OUTLOOK
SATURDAY FEBRUARY 7TH THROUGH MONDAY
FEBRUARY 9TH: ABOVE NORMAL TEMPERATURES AND BELOW MEDIAN
PRECIPITATION.
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