


Routine Fire Wx Fcst (With/Without 6-10 Day Outlook)
Issued by NWS Reno, NV
Issued by NWS Reno, NV
180 FNUS55 KREV 200907 FWFREV Fire Weather Planning Forecast National Weather Service Reno NV 207 AM PDT Sun Apr 20 2025 .DISCUSSION... Generally dry with light wind this morning becoming breezy from the west this afternoon and evening with gusts 25-35 mph. Continued dry with overnight marginal ventilation and limited mid slope humidity recovery. Slightly cooler with increasing shower chances later this week. Note: Thunderstorms imply gusty and erratic winds. Note: Mixing Heights are in feet above ground level of the valley floors. Note: Please see operating plan for detailed zone descriptions https://www.weather.gov/wrh/fire?wfo=rev NVZ420-210100- Northern Sierra Front including Carson City, Douglas, Storey, Southern Washoe, Western Lyon, and Far Southern Lassen Counties- 207 AM PDT Sun Apr 20 2025 .TODAY... * Sky/Weather........Sunny. * Chance of Thunder..0%. * Max Temperature.... * Valleys..........66-76. * Mid Slope........63-73. * 24 hr trend......Little change. * Min Humidity....... * Valleys..........15-25%. * Mid Slope........16-26%. * 24 hr trend......8% wetter. * 20-Foot Winds...... * Valleys/Slope....Upslope 4 to 8 mph becoming west 9 to 16 mph with gusts to 25 mph late in the afternoon. * Ridge Top........West winds 10 to 20 mph. Gusts to 30 mph late in the afternoon. * Chc Wetting Rain...0%. * Mixing Height......1700-2700 ft agl increasing to 6900-7900 ft agl in the afternoon. * Transport Winds....Light winds becoming west 15 to 20 mph in the afternoon. * Ventilation........Fair increasing to excellent in the afternoon. .TONIGHT... * Sky/Weather........Clear. * Chance of Thunder..0%. * Min Temperature.... * Valleys..........33-43. * Mid Slope........35-42. * 24 hr trend......Little change. * Max Humidity....... * Valleys..........59-69%. * Mid Slope........52-62%. * 24 hr trend......Little change. * 20-Foot Winds...... * Valleys/Slope....West winds 15 to 25 mph with gusts to 35 mph becoming downslope 2 to 5 mph. * Ridge Top........West winds 20 to 30 mph with gusts to 45 mph decreasing to 10 to 15 mph with gusts to 30 mph after midnight. * Chc Wetting Rain...5%. * Mixing Height......3700-4700 ft agl decreasing to 600-900 ft agl after midnight. * Transport Winds....West 15 to 25 mph decreasing to 10 to 15 mph after midnight. * Ventilation........Excellent decreasing to marginal after midnight. .MONDAY... * Sky/Weather........Sunny. * Chance of Thunder..0%. * Max Temperature.... * Valleys..........63-73. * Mid Slope........60-70. * Min Humidity....... * Valleys..........10-20%. * Mid Slope........13-21%. * 20-Foot Winds...... * Valleys/Slope....Upslope 4 to 8 mph. * Ridge Top........Light winds. * Chc Wetting Rain...0%. * Mixing Height......1200-1700 ft agl increasing to 4100-5100 ft agl in the afternoon. * Transport Winds....Light winds. * Ventilation........Marginal increasing to good in the afternoon. .Extended... .MONDAY NIGHT...Clear. Lows 36-46. Northwest winds 8 to 13 mph until early morning becoming downslope 2 to 5 mph. .TUESDAY...Clear. Highs 67-77. Lows 35-45. West winds 10 to 15 mph. .WEDNESDAY...Clear. Highs 65-73. Lows 35-45. Northwest winds 10 to 15 mph. .THURSDAY...Partly cloudy. Highs 66-75. Lows 36-46. West winds 10 to 15 mph. .FRIDAY THROUGH SATURDAY...Partly cloudy. Highs 60-70. Lows 34-44. $$ NVZ421-210100- Southern Sierra Front including Alpine, Northern Mono, Southern Lyon, and Western Mineral Counties- 207 AM PDT Sun Apr 20 2025 .TODAY... * Sky/Weather........Sunny. * Chance of Thunder..0%. * Max Temperature.... * Valleys..........64-74. * Mid Slope........57-67. * 24 hr trend......Little change. * Min Humidity....... * Valleys..........12-22%. * Mid Slope........12-22%. * 24 hr trend......7% wetter. * 20-Foot Winds...... * Valleys/Slope....Upslope 4 to 8 mph becoming west 8 to 13 mph late in the afternoon. * Ridge Top........Southwest winds 10 to 15 mph. Gusts to 25 mph late in the afternoon. * Chc Wetting Rain...0%. * Mixing Height......1700-2700 ft agl increasing to 5900-6900 ft agl in the afternoon. * Transport Winds....Southwest 10 to 15 mph. * Ventilation........Fair increasing to excellent in the afternoon. .TONIGHT... * Sky/Weather........Clear. * Chance of Thunder..0%. * Min Temperature.... * Valleys..........28-38. * Mid Slope........33-43. * 24 hr trend......Little change. * Max Humidity....... * Valleys..........52-62%. * Mid Slope........44-54%. * 24 hr trend......Little change. * 20-Foot Winds...... * Valleys/Slope....West winds 12 to 18 mph with gusts to 30 mph becoming downslope 2 to 5 mph. * Ridge Top........West winds 10 to 20 mph with gusts to 30 mph. * Chc Wetting Rain...0%. * Mixing Height......3800-4800 ft agl decreasing to 600-900 ft agl after midnight. * Transport Winds....West 10 to 20 mph. * Ventilation........Excellent decreasing to marginal after midnight. .MONDAY... * Sky/Weather........Sunny. * Chance of Thunder..0%. * Max Temperature.... * Valleys..........62-72. * Mid Slope........56-66. * Min Humidity....... * Valleys..........11-21%. * Mid Slope........12-22%. * 20-Foot Winds...... * Valleys/Slope....Upslope 4 to 8 mph becoming north 5 to 10 mph late in the afternoon. * Ridge Top........Light winds becoming northwest 10 to 15 mph with gusts to 25 mph late in the afternoon. * Chc Wetting Rain...0%. * Mixing Height......1200-1700 ft agl increasing to 4200-5200 ft agl in the afternoon. * Transport Winds....Light winds. * Ventilation........Marginal increasing to good in the afternoon. .Extended... .MONDAY NIGHT...Clear. Lows 31-41. North winds 9 to 14 mph in the evening becoming downslope 2 to 5 mph. .TUESDAY...Clear. Highs 64-74. Lows 29-39. Southwest winds 10 to 15 mph. .WEDNESDAY...Clear. Highs 62-72. Lows 29-39. West winds 10 to 15 mph. .THURSDAY...Partly cloudy. Highs 62-72. Lows 30-40. Southwest winds 10 to 15 mph. .FRIDAY THROUGH SATURDAY...Partly cloudy. Highs 58-68. Lows 29-39. $$ CAZ272-210100- Greater Lake Tahoe and Truckee Area- 207 AM PDT Sun Apr 20 2025 .TODAY... * Sky/Weather........Sunny. * Chance of Thunder..0%. * Max Temperature.... * Valleys..........55-64. * Mid Slope........52-62. * 24 hr trend......Little change. * Min Humidity....... * Valleys..........28-38%. * Mid Slope........25-35%. * 24 hr trend......11% wetter. * 20-Foot Winds...... * Valleys/Slope....Upslope 4 to 8 mph becoming west 9 to 14 mph late in the afternoon. * Ridge Top........Southwest winds 10 to 20 mph. * Chc Wetting Rain...0%. * Mixing Height......1200-1700 ft agl increasing to 3200-4200 ft agl in the afternoon. * Transport Winds....Light winds becoming west 15 to 20 mph in the afternoon. * Ventilation........Fair increasing to excellent in the afternoon. .TONIGHT... * Sky/Weather........Clear. * Chance of Thunder..0%. * Min Temperature.... * Valleys..........29-39. * Mid Slope........29-36. * 24 hr trend......Little change. * Max Humidity....... * Valleys..........73-83%. * Mid Slope........60-70%. * 24 hr trend......5% drier. * 20-Foot Winds...... * Valleys/Slope....West winds 9 to 15 mph with gusts to 25 mph becoming downslope 2 to 5 mph. * Ridge Top........West winds 10 to 20 mph with gusts to 35 mph. * Chc Wetting Rain...0%. * Mixing Height......1700-2200 ft agl decreasing to 600-800 ft agl after midnight. * Transport Winds....West 15 to 25 mph decreasing to 10 to 15 mph after midnight. * Ventilation........Very good decreasing to marginal after midnight. .MONDAY... * Sky/Weather........Sunny. * Chance of Thunder..0%. * Max Temperature.... * Valleys..........56-66. * Mid Slope........53-63. * Min Humidity....... * Valleys..........22-32%. * Mid Slope........20-30%. * 20-Foot Winds...... * Valleys/Slope....Upslope 4 to 8 mph. * Ridge Top........Light winds. * Chc Wetting Rain...0%. * Mixing Height......800-1300 ft agl increasing to 3300-4300 ft agl in the afternoon. * Transport Winds....Light winds. * Ventilation........Marginal increasing to good in the afternoon. .Extended... .MONDAY NIGHT...Clear. Lows 31-41. Downslope 2 to 5 mph. .TUESDAY...Clear. Highs 56-63. Lows 30-40. Southwest winds 10 to 15 mph. .WEDNESDAY...Clear. Highs 56-63. Lows 30-40. Slope winds. .THURSDAY...Partly cloudy. Highs 53-61. Lows 30-40. Southwest winds 10 to 15 mph. .FRIDAY...Partly cloudy. Highs 49-57. Lows 27-37. .SATURDAY...Partly cloudy. Slight chance of showers. Highs 46-54. $$ NVZ423-210100- West Humboldt Basin in Pershing County- 207 AM PDT Sun Apr 20 2025 .TODAY... * Sky/Weather........Sunny. * Chance of Thunder..0%. * Max Temperature.... * Valleys..........70-76. * Mid Slope........64-74. * 24 hr trend......5 degrees warmer. * Min Humidity....... * Valleys..........12-21%. * Mid Slope........14-22%. * 24 hr trend......6% wetter. * 20-Foot Winds...... * Valleys/Slope....Upslope 4 to 8 mph becoming southwest 9 to 14 mph in the afternoon. * Ridge Top........Southwest winds 10 to 20 mph with gusts to 30 mph. * Chc Wetting Rain...0%. * Mixing Height......2100-3100 ft agl increasing to 8100-9100 ft agl in the afternoon. * Transport Winds....Light winds becoming west 15 to 25 mph in the afternoon. * Ventilation........Good increasing to excellent in the afternoon. .TONIGHT... * Sky/Weather........Partly cloudy then becoming clear. * Chance of Thunder..0%. * Min Temperature.... * Valleys..........33-43. * Mid Slope........34-43. * 24 hr trend......Little change. * Max Humidity....... * Valleys..........53-63%. * Mid Slope........41-51%. * 24 hr trend......Little change. * 20-Foot Winds...... * Valleys/Slope....West winds 12 to 18 mph with gusts to 30 mph shifting to the northwest 9 to 16 mph with gusts to 30 mph in the late evening and overnight. * Ridge Top........Northwest winds 10 to 20 mph with gusts to 40 mph. * Chc Wetting Rain...5%. * Mixing Height......5100-6100 ft agl decreasing to 600-800 ft agl after midnight. * Transport Winds....West 15 to 25 mph shifting to the northwest 10 to 15 mph after midnight. * Ventilation........Excellent decreasing to marginal after midnight. .MONDAY... * Sky/Weather........Sunny. * Chance of Thunder..0%. * Max Temperature.... * Valleys..........66-72. * Mid Slope........60-70. * Min Humidity....... * Valleys..........10-15%. * Mid Slope........10-15%. * 20-Foot Winds...... * Valleys/Slope....Upslope 4 to 8 mph. * Ridge Top........Northwest winds 10 to 15 mph. Gusts to 25 mph late in the afternoon. * Chc Wetting Rain...0%. * Mixing Height......1200-1700 ft agl increasing to 4200-5200 ft agl in the afternoon. * Transport Winds....Light winds. * Ventilation........Fair increasing to good in the afternoon. .Extended... .MONDAY NIGHT...Clear. Lows 32-42. North winds 8 to 13 mph until early morning becoming downslope 2 to 5 mph. .TUESDAY...Clear. Highs 71-77. Lows 32-42. Northwest winds 10 to 15 mph. .WEDNESDAY...Clear. Highs 69-75. Lows 36-46. North winds 10 to 15 mph. .THURSDAY...Partly cloudy. Highs 71-77. Lows 36-46. West winds 10 to 15 mph. .FRIDAY...Partly cloudy. Highs 69-75. Lows 35-45. .SATURDAY...Partly cloudy. Highs 63-71. $$ NVZ429-210100- Lahontan Basin including Churchill and Eastern Mineral Counties- 207 AM PDT Sun Apr 20 2025 .TODAY... * Sky/Weather........Sunny. * Chance of Thunder..0%. * Max Temperature.... * Valleys..........69-78. * Mid Slope........64-74. * 24 hr trend......6 degrees warmer. * Min Humidity....... * Valleys..........10-18%. * Mid Slope........11-19%. * 24 hr trend......6% wetter. * 20-Foot Winds...... * Valleys/Slope....Upslope 4 to 8 mph becoming west 5 to 10 mph late in the afternoon. * Ridge Top........West winds 10 to 15 mph. Gusts to 25 mph in the afternoon. * Chc Wetting Rain...0%. * Mixing Height......1800-2800 ft agl increasing to 8100-9100 ft agl in the afternoon. * Transport Winds....West 10 to 15 mph. * Ventilation........Fair increasing to excellent in the afternoon. .TONIGHT... * Sky/Weather........Partly cloudy then becoming clear. * Chance of Thunder..0%. * Min Temperature.... * Valleys..........37-46. * Mid Slope........36-46. * 24 hr trend......Little change. * Max Humidity....... * Valleys..........50-60%. * Mid Slope........44-54%. * 24 hr trend......10% wetter. * 20-Foot Winds...... * Valleys/Slope....Northwest winds 9 to 17 mph. Gusts to 30 mph. * Ridge Top........Northwest winds 10 to 20 mph with gusts to 35 mph. * Chc Wetting Rain...0%. * Mixing Height......5100-6100 ft agl decreasing to 600-800 ft agl after midnight. * Transport Winds....West 15 to 25 mph shifting to the northwest 10 to 15 mph after midnight. * Ventilation........Excellent decreasing to marginal after midnight. .MONDAY... * Sky/Weather........Sunny. * Chance of Thunder..0%. * Max Temperature.... * Valleys..........65-75. * Mid Slope........61-71. * Min Humidity....... * Valleys..........10-16%. * Mid Slope........10-16%. * 20-Foot Winds...... * Valleys/Slope....Upslope 4 to 8 mph becoming north 8 to 13 mph in the afternoon. * Ridge Top........Light winds becoming northwest 10 to 15 mph with gusts to 25 mph in the afternoon. * Chc Wetting Rain...0%. * Mixing Height......1300-1800 ft agl increasing to 4500-5500 ft agl in the afternoon. * Transport Winds....Light winds. * Ventilation........Fair increasing to very good in the afternoon. .Extended... .MONDAY NIGHT...Clear. Lows 36-46. North winds 9 to 14 mph in the evening becoming downslope 2 to 5 mph. .TUESDAY...Clear. Highs 71-80. Lows 36-46. West winds 10 to 15 mph. .WEDNESDAY...Clear. Highs 67-76. Lows 38-48. Northwest winds 10 to 15 mph. .THURSDAY...Partly cloudy. Highs 69-79. Lows 39-49. West winds 10 to 15 mph. .FRIDAY...Partly cloudy. Highs 67-77. Lows 36-46. .SATURDAY...Partly cloudy. Highs 63-73. $$ CAZ270-278-NVZ458-210100- Surprise Valley California-Eastern Lassen County- Northern Washoe County- 207 AM PDT Sun Apr 20 2025 .TODAY... * Sky/Weather........Sunny. * Chance of Thunder..0%. * Max Temperature.... * Valleys..........64-74. * Mid Slope........59-69. * 24 hr trend......Little change. * Min Humidity....... * Valleys..........15-25%. * Mid Slope........19-29%. * 24 hr trend......7% wetter. * 20-Foot Winds...... * Valleys/Slope....Upslope 4 to 8 mph becoming west 12 to 17 mph with gusts to 25 mph. * Ridge Top........West winds 10 to 20 mph with gusts to 30 mph. * Chc Wetting Rain...5%. * Mixing Height......1600-2600 ft agl increasing to 7400-8400 ft agl in the afternoon. * Transport Winds....Light winds becoming west 15 to 25 mph in the afternoon. * Ventilation........Good increasing to excellent in the afternoon. .TONIGHT... * Sky/Weather........Clear. * Chance of Thunder..0%. * Min Temperature.... * Valleys..........28-38. * Mid Slope........28-38. * 24 hr trend......Little change. * Max Humidity....... * Valleys..........66-76%. * Mid Slope........58-68%. * 24 hr trend......Little change. * 20-Foot Winds...... * Valleys/Slope....West winds 15 to 25 mph with gusts to 35 mph shifting to the northwest 9 to 16 mph with gusts to 30 mph in the late evening and overnight. * Ridge Top........Northwest winds 10 to 20 mph. * Chc Wetting Rain...5%. * Mixing Height......4000-5000 ft agl decreasing to 600-900 ft agl after midnight. * Transport Winds....West 20 to 30 mph becoming north 10 to 15 mph after midnight. * Ventilation........Excellent decreasing to fair after midnight. .MONDAY... * Sky/Weather........Sunny. * Chance of Thunder..0%. * Max Temperature.... * Valleys..........62-72. * Mid Slope........57-67. * Min Humidity....... * Valleys..........10-20%. * Mid Slope........11-20%. * 20-Foot Winds...... * Valleys/Slope....Upslope 4 to 8 mph. * Ridge Top........Northwest winds 10 to 15 mph. * Chc Wetting Rain...0%. * Mixing Height......1000-1500 ft agl increasing to 3600-4600 ft agl in the afternoon. * Transport Winds....Light winds. * Ventilation........Marginal increasing to good in the afternoon. .Extended... .MONDAY NIGHT...Clear. Lows 30-40. Northwest winds 9 to 14 mph until early morning becoming downslope 2 to 5 mph. .TUESDAY...Clear. Highs 64-74. Lows 30-40. Northwest winds 10 to 15 mph. .WEDNESDAY...Clear. Highs 63-73. Lows 31-41. Slope winds. .THURSDAY...Partly cloudy. Highs 64-74. Lows 33-43. Southwest winds 10 to 15 mph. .FRIDAY...Mostly cloudy. Slight chance of showers. Highs 59-69. Lows 29-39. .SATURDAY...Partly cloudy. Slight chance of showers. Highs 55-65. $$ CAZ271-210100- Western Lassen, Eastern Plumas, and Eastern Sierra Counties- 207 AM PDT Sun Apr 20 2025 .TODAY... * Sky/Weather........Sunny. * Chance of Thunder..0%. * Max Temperature.... * Valleys..........61-71. * Mid Slope........58-68. * 24 hr trend......Little change. * Min Humidity....... * Valleys..........23-33%. * Mid Slope........22-32%. * 24 hr trend......9% wetter. * 20-Foot Winds...... * Valleys/Slope....West 5 to 10 mph through early in the afternoon, then increasing to 9 to 16 mph with gusts to 25 mph late in the afternoon. * Ridge Top........Southwest winds 10 to 20 mph. Gusts to 30 mph in the afternoon. * Chc Wetting Rain...5%. * Mixing Height......1500-2000 ft agl increasing to 5100-6100 ft agl in the afternoon. * Transport Winds....Light winds becoming west 15 to 25 mph in the afternoon. * Ventilation........Fair increasing to excellent in the afternoon. .TONIGHT... * Sky/Weather........Clear. * Chance of Thunder..0%. * Min Temperature.... * Valleys..........27-37. * Mid Slope........30-40. * 24 hr trend......Little change. * Max Humidity....... * Valleys..........78-88%. * Mid Slope........67-77%. * 24 hr trend......Little change. * 20-Foot Winds...... * Valleys/Slope....West winds 10 to 17 mph with gusts to 30 mph becoming downslope 2 to 5 mph. * Ridge Top........Northwest winds 10 to 15 mph with gusts to 35 mph. * Chc Wetting Rain...5%. * Mixing Height......2700-3700 ft agl decreasing to 600-800 ft agl after midnight. * Transport Winds....West 15 to 25 mph in the evening becoming light. * Ventilation........Excellent decreasing to marginal after midnight. .MONDAY... * Sky/Weather........Sunny. * Chance of Thunder..0%. * Max Temperature.... * Valleys..........61-71. * Mid Slope........58-68. * Min Humidity....... * Valleys..........14-24%. * Mid Slope........14-24%. * 20-Foot Winds...... * Valleys/Slope....Upslope 4 to 8 mph. * Ridge Top........Light winds. * Chc Wetting Rain...0%. * Mixing Height......1000-1500 ft agl increasing to 3900-4900 ft agl in the afternoon. * Transport Winds....Light winds. * Ventilation........Marginal increasing to fair in the afternoon. .Extended... .MONDAY NIGHT...Clear. Lows 29-39. Downslope 2 to 5 mph. .TUESDAY...Clear. Highs 61-71. Lows 29-39. West winds 10 to 15 mph. .WEDNESDAY...Clear. Highs 61-71. Lows 30-40. Slope winds. .THURSDAY...Partly cloudy. Highs 59-69. Lows 30-40. Southwest winds 10 to 15 mph. .FRIDAY THROUGH SATURDAY...Partly cloudy. Slight chance of showers. Highs 52-62. Lows 27-37. $$ CAZ274-210100- Southern Mono County- 207 AM PDT Sun Apr 20 2025 .TODAY... * Sky/Weather........Sunny. * Chance of Thunder..0%. * Max Temperature.... * Valleys..........59-69. * Mid Slope........55-65. * 24 hr trend......Little change. * Min Humidity....... * Valleys..........11-21%. * Mid Slope........14-24%. * 24 hr trend......7% wetter. * 20-Foot Winds...... * Valleys/Slope....Upslope 4 to 8 mph becoming southwest 7 to 11 mph late in the afternoon. * Ridge Top........Southwest winds 10 to 15 mph. * Chc Wetting Rain...5%. * Mixing Height......1700-2700 ft agl increasing to 5700-6700 ft agl in the afternoon. * Transport Winds....Southwest 10 to 15 mph. * Ventilation........Fair increasing to excellent in the afternoon. .TONIGHT... * Sky/Weather........Clear. * Chance of Thunder..0%. * Min Temperature.... * Valleys..........26-36. * Mid Slope........26-36. * 24 hr trend......Little change. * Max Humidity....... * Valleys..........55-65%. * Mid Slope........48-58%. * 24 hr trend......Little change. * 20-Foot Winds...... * Valleys/Slope....West winds 9 to 15 mph with gusts to 25 mph becoming downslope 2 to 5 mph. * Ridge Top........West winds 10 to 15 mph. Gusts to 25 mph in the evening. * Chc Wetting Rain...5%. * Mixing Height......3800-4800 ft agl decreasing to 600-1000 ft agl after midnight. * Transport Winds....West 10 to 15 mph. * Ventilation........Excellent decreasing to marginal after midnight. .MONDAY... * Sky/Weather........Sunny. * Chance of Thunder..0%. * Max Temperature.... * Valleys..........59-69. * Mid Slope........55-65. * Min Humidity....... * Valleys..........8-18%. * Mid Slope........11-21%. * 20-Foot Winds...... * Valleys/Slope....Upslope 4 to 8 mph. * Ridge Top........Light winds becoming northwest 10 to 15 mph with gusts to 25 mph late in the afternoon. * Chc Wetting Rain...0%. * Mixing Height......1100-1600 ft agl increasing to 4500-5500 ft agl in the afternoon. * Transport Winds....Light winds. * Ventilation........Fair increasing to very good in the afternoon. .Extended... .MONDAY NIGHT...Clear. Lows 29-39. Northwest winds 8 to 13 mph in the evening becoming downslope 2 to 5 mph. .TUESDAY...Partly cloudy. Highs 60-70. Lows 28-38. Southwest winds 10 to 15 mph. .WEDNESDAY...Clear. Highs 58-68. Lows 28-38. West winds 10 to 15 mph. .THURSDAY...Partly cloudy. Highs 58-68. Lows 27-37. Southwest winds 10 to 15 mph. .FRIDAY THROUGH SATURDAY...Partly cloudy. Highs 55-65. Lows 26-36. $$ .8 to 14 day outlook for (Sun Apr 27 through Sat May 3) Near normal temperatures and Below normal precipitation. = $$ http://weather.gov/reno