Routine Fire Wx Fcst (With/Without 6-10 Day Outlook)
Issued by NWS Phoenix, AZ
Issued by NWS Phoenix, AZ
516 FNUS55 KPSR 202110 FWFPSR Fire Weather Planning Forecast for Southwest and South-Central Arizona and Southeast California National Weather Service Phoenix AZ 210 PM MST Tue Jan 20 2026 .DISCUSSION... Dry conditions with above normal temperatures will persist through mid week. Daily MinRH values are expected to remain generally near 15-20% the next few afternoons with overnight recoveries of 30-60%. Winds will overall be light through the period with only some periodic light breeziness across the Lower CO River Valley and over the Arizona high terrain. ...Thunderstorms imply gusty winds... Note...Additional Fire Weather Forecast information can be found in the Area Forecast Discussion. See product PHXAFDPSR. AZZ132-210915- 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- 210 PM MST Tue Jan 20 2026 .TONIGHT... * Sky/weather.....................Mostly clear. * Min Temperature.................40-50. * 24 hr trend..................Little change. * Max Humidity....................33-59 pct. * 24 hr trend..................Little change. * Winds - 20 foot...Slope/Valley..North 5 to 10 mph in the evening becoming northeast after midnight. * Winds...10000 FT MSL............Northwest 10 to 20 mph. * Chance of Precip................0 percent. * CWR (>= 0.10 IN)................0 percent. * Chance of Thunder...............0 percent. .WEDNESDAY... * Sky/weather.....................Partly sunny. * Max Temperature.................68-73. * 24 hr trend..................Little change. * Min Humidity....................17-21 pct. * 24 hr trend..................Little RH change. * Winds - 20 foot...Slope/Valley..Northeast 5 to 15 mph. * Winds...10000 FT MSL............Light and variable in the morning becoming west 5 to 15 mph in the afternoon. * Chance of Precip................0 percent. * CWR (>= 0.10 IN)................0 percent. * Chance of Thunder...............0 percent. * Mixing Height for Phoenix.......1800 ft AGL. * Transport Wind for Phoenix......East 2 knots. * Dispersion for Phoenix..........Poor. .WEDNESDAY NIGHT... * Sky/weather.....................Mostly cloudy. * Min Temperature.................47-57. * 24 hr trend..................5 degrees warmer. * Max Humidity....................32-51 pct. * 24 hr trend..................5 pct drier. * Winds - 20 foot...Slope/Valley..Light and variable in the evening becoming east 5 to 10 mph after midnight. * Winds...10000 FT MSL............West 10 to 20 mph. * Chance of Precip................0 percent. * CWR (>= 0.10 IN)................0 percent. * Chance of Thunder...............0 percent. .THURSDAY... * Sky/weather.....................Partly sunny. * Max Temperature.................69-74. * 24 hr trend..................Little change. * Min Humidity....................18-22 pct. * 24 hr trend..................Little RH change. * Winds - 20 foot...Slope/Valley..East 5 to 10 mph in the morning becoming south in the afternoon. * 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. * Mixing Height for Phoenix.......2700 ft AGL. * Transport Wind for Phoenix......Southeast 3 knots. * Dispersion for Phoenix..........Poor. .EXTENDED... .FRIDAY...Partly cloudy with chance of showers. Lows 46-56. Highs 65-71. Southeast winds 5 to 10 mph. .SATURDAY...Partly cloudy with slight chance of showers and thunderstorms. Lows 40-51. Highs 61-68. Southwest winds 5 to 15 mph. .SUNDAY...Mostly clear. Lows 37-47. Highs 61-68. North winds 5 to 15 mph. .MONDAY...Mostly clear. Lows 37-47. Highs 63-70. .TUESDAY...Mostly clear. Lows 39-49. Highs 67-72. $$ AZZ131-CAZ231-210915- Yuma/Martinez Lake and Vicinity/Lower Colorado River Valley AZ- Lower Colorado River Valley CA- 210 PM MST Tue Jan 20 2026 /110 PM PST Tue Jan 20 2026/ .TONIGHT... * Sky/weather.....................Mostly clear. * Min Temperature.................39-49. * 24 hr trend..................Little change. * Max Humidity....................37-60 pct. * 24 hr trend..................Little RH change. * Winds - 20 foot...Slope/Valley..North 5 to 15 mph. * Winds...10000 FT MSL............Northwest 10 to 20 mph. * Chance of Precip................0 percent. * CWR (>= 0.10 IN)................0 percent. * Chance of Thunder...............0 percent. .WEDNESDAY... * Sky/weather.....................Partly sunny. * Max Temperature.................69-74. * 24 hr trend..................Little change. * Min Humidity....................16-20 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 morning becoming west 5 to 15 mph in the afternoon. * Chance of Precip................0 percent. * CWR (>= 0.10 IN)................0 percent. * Chance of Thunder...............0 percent. * Mixing Height for Yuma..........1100 ft AGL. * Transport Wind for Yuma.........Northeast 5 knots. * Dispersion for Yuma.............Poor. .WEDNESDAY NIGHT... * Sky/weather.....................Mostly cloudy. * Min Temperature.................46-53. * 24 hr trend..................5 degrees warmer. * Max Humidity....................35-52 pct. * 24 hr trend..................5 pct drier. * Winds - 20 foot...Slope/Valley..Northeast 5 to 15 mph. * Winds...10000 FT MSL............West 10 to 15 mph. * Chance of Precip................0 percent. * CWR (>= 0.10 IN)................0 percent. * Chance of Thunder...............0 percent. .THURSDAY... * Sky/weather.....................Partly sunny. * Max Temperature.................71-76. * 24 hr trend..................Little change. * Min Humidity....................18-22 pct. * 24 hr trend..................Little RH change. * Winds - 20 foot...Slope/Valley..Northeast 5 to 10 mph in the morning becoming west in the afternoon. * 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. * Mixing Height for Yuma..........3400 ft AGL. * Transport Wind for Yuma.........Southeast 4 knots. * Dispersion for Yuma.............Poor. .EXTENDED... .FRIDAY...Partly cloudy. Lows 44-52. Highs 68-73. West winds 5 to 10 mph. .SATURDAY...Mostly clear. Lows 41-50. Highs 66-71. Northwest winds 5 to 15 mph. .SUNDAY...Clear. Lows 36-48. Highs 65-70. North winds 5 to 15 mph. .MONDAY...Mostly clear. Lows 36-46. Highs 65-70. .TUESDAY...Mostly clear. Lows 38-48. Highs 69-74. $$ AZZ133-210915- Southern Gila County/Tonto National Forest Foothills- Southern Tonto NF/West San Carlos BIA/South Portion Ft Apache BIA/ CAZ- 210 PM MST Tue Jan 20 2026 .TONIGHT... * Sky/weather.....................Clear. * Min Temperature.................31-46. * 24 hr trend..................Little change. * Max Humidity....................34-55 pct. * 24 hr trend..................3 pct drier. * Winds - 20 foot...Slope/Valley..Northeast 5 to 15 mph. * Winds...10000 FT MSL............North 5 to 15 mph in the evening becoming light and variable after midnight. * Chance of Precip................0 percent. * CWR (>= 0.10 IN)................0 percent. * Chance of Thunder...............0 percent. .WEDNESDAY... * Sky/weather.....................Partly sunny. * Max Temperature.................57-70. * 24 hr trend..................Little change. * Min Humidity....................17-24 pct. * 24 hr trend..................Little RH change. * Winds - 20 foot...Slope/Valley..East 5 to 10 mph in the morning becoming south in the afternoon. * Winds...10000 FT MSL............Light and variable in the morning becoming southwest 5 to 15 mph in the afternoon. * Chance of Precip................0 percent. * CWR (>= 0.10 IN)................0 percent. * Chance of Thunder...............0 percent. .WEDNESDAY NIGHT... * Sky/weather.....................Mostly cloudy. * Min Temperature.................38-51. * 24 hr trend..................6 degrees warmer. * Max Humidity....................31-47 pct. * 24 hr trend..................5 pct drier. * Winds - 20 foot...Slope/Valley..East 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. .THURSDAY... * Sky/weather.....................Partly sunny. * Max Temperature.................58-71. * 24 hr trend..................Little change. * Min Humidity....................18-24 pct. * 24 hr trend..................Little RH change. * Winds - 20 foot...Slope/Valley..East 5 to 10 mph in the morning becoming south in the afternoon. * Winds...10000 FT MSL............West 10 to 20 mph. * Chance of Precip................0 percent. * CWR (>= 0.10 IN)................0 percent. * Chance of Thunder...............0 percent. .EXTENDED... .FRIDAY...Showers likely. Lows 38-53. Highs 49-64. Southeast winds 5 to 15 mph. .SATURDAY...Showers likely. Lows 28-49. Highs 44-58. Southwest winds 5 to 15 mph. .SUNDAY...Mostly clear with slight chance of showers and snow showers. Lows 24-42. Highs 45-60. Northeast winds 5 to 15 mph. .MONDAY...Mostly clear. Lows 24-42. Highs 49-63. .TUESDAY...Mostly clear. Lows 27-45. Highs 54-67. $$ CAZ232-210915- Imperial County And Eastern Riverside County- 110 PM PST Tue Jan 20 2026 .TONIGHT... * Sky/weather.....................Mostly clear. * Min Temperature.................44-54. * 24 hr trend..................Little change. * Max Humidity....................28-51 pct. * 24 hr trend..................Little RH change. * Winds - 20 foot...Slope/Valley..North 5 to 15 mph. * Winds...10000 FT MSL............Northwest 10 to 20 mph. * Chance of Precip................0 percent. * CWR (>= 0.10 IN)................0 percent. * Chance of Thunder...............0 percent. .WEDNESDAY... * Sky/weather.....................Partly sunny. * Max Temperature.................66-75. * 24 hr trend..................3 degrees cooler. * Min Humidity....................14-22 pct. * 24 hr trend..................Little RH change. * Winds - 20 foot...Slope/Valley..Northeast 5 to 15 mph. * Winds...10000 FT MSL............West 5 to 15 mph. * Chance of Precip................0 percent. * CWR (>= 0.10 IN)................0 percent. * Chance of Thunder...............0 percent. .WEDNESDAY NIGHT... * Sky/weather.....................Mostly cloudy. * Min Temperature.................48-55. * 24 hr trend..................Little change. * Max Humidity....................28-53 pct. * 24 hr trend..................Little change. * Winds - 20 foot...Slope/Valley..Light and variable in the evening becoming north 5 to 10 mph after midnight. * 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. .THURSDAY... * Sky/weather.....................Partly sunny. * Max Temperature.................67-75. * 24 hr trend..................Little change. * Min Humidity....................17-27 pct. * 24 hr trend..................3 pct wetter. * Winds - 20 foot...Slope/Valley..Northeast 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... .FRIDAY...Partly cloudy with slight chance of showers. Lows 46-55. Highs 64-72. West winds 5 to 10 mph. .SATURDAY...Mostly clear. Lows 44-53. Highs 63-72. Northwest winds 5 to 15 mph. .SUNDAY...Mostly clear. Lows 40-50. Highs 60-70. North winds 5 to 15 mph. .MONDAY...Mostly clear. Lows 40-49. Highs 62-70. .TUESDAY...Mostly clear. Lows 41-52. Highs 65-74. $$ CAZ230-210915- Joshua Tree National Park- 110 PM PST Tue Jan 20 2026 .TONIGHT... * Sky/weather.....................Mostly clear. * Min Temperature.................43-50. * 24 hr trend..................Little change. * Max Humidity....................27-38 pct. * 24 hr trend..................Little RH change. * Winds - 20 foot...Slope/Valley..Northwest 5 to 15 mph. * Winds...10000 FT MSL............Northwest 10 to 20 mph. * Chance of Precip................0 percent. * CWR (>= 0.10 IN)................0 percent. * Chance of Thunder...............0 percent. .WEDNESDAY... * Sky/weather.....................Partly sunny. * Max Temperature.................59-68. * 24 hr trend..................Little change. * Min Humidity....................16-21 pct. * 24 hr trend..................Little RH change. * Winds - 20 foot...Slope/Valley..Northwest 5 to 10 mph in the morning becoming southeast in the afternoon. * Winds...10000 FT MSL............West 5 to 15 mph. * Chance of Precip................0 percent. * CWR (>= 0.10 IN)................0 percent. * Chance of Thunder...............0 percent. .WEDNESDAY NIGHT... * Sky/weather.....................Mostly cloudy. * Min Temperature.................43-51. * 24 hr trend..................Little change. * Max Humidity....................32-42 pct. * 24 hr trend..................4 pct wetter. * Winds - 20 foot...Slope/Valley..South 5 to 10 mph in the evening becoming mostly downslope/downvalley after midnight. * Winds...10000 FT MSL............Light and variable in the evening becoming southwest 10 to 20 mph after midnight. * Chance of Precip................0 percent. * CWR (>= 0.10 IN)................0 percent. * Chance of Thunder...............0 percent. .THURSDAY... * Sky/weather.....................Partly sunny. * Max Temperature.................57-69. * 24 hr trend..................Little change. * Min Humidity....................19-28 pct. * 24 hr trend..................5 pct wetter. * Winds - 20 foot...Slope/Valley..West 5 to 10 mph in the morning becoming south in the afternoon. * 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... .FRIDAY...Partly cloudy with slight chance of showers. Lows 39-49. Highs 54-66. Northwest winds 5 to 10 mph. .SATURDAY...Mostly clear. Lows 35-48. Highs 53-65. Northwest winds 10 to 20 mph. .SUNDAY...Mostly clear. Lows 35-43. Highs 51-63. North winds 5 to 15 mph. Minimum relative humidity may be lower than 15 percent. .MONDAY...Partly cloudy. Lows 35-45. Highs 52-64. .TUESDAY...Mostly clear. Lows 37-48. Highs 57-68. $$ .8 TO 10 DAY OUTLOOK...Wednesday January 28th through Friday January 30th: Above normal temperatures and near median precipitation.