


Routine Fire Wx Fcst (With/Without 6-10 Day Outlook)
Issued by NWS Reno, NV
Issued by NWS Reno, NV
771 FNUS55 KREV 261131 FWFREV Fire Weather Planning Forecast National Weather Service Reno NV 431 AM PDT Sat Apr 26 2025 .DISCUSSION... A spring storm will continue to provide periods of mountain snow and valley rain, chances of afternoon thunderstorms, cooler temperatures, and higher humidity through Sunday. A warming and drying trend begins early next week with increased chances of afternoon showers and storms around midweek. 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 NVZ420-270030- Northern Sierra Front including Carson City, Douglas, Storey, Southern Washoe, Western Lyon, and Far Southern Lassen Counties- 431 AM PDT Sat Apr 26 2025 .TODAY... * Sky/Weather........Snow showers likely in the morning, then snow showers in the afternoon. * Chance of Thunder..0%. * Max Temperature.... * Valleys..........47-57. * Mid Slope........40-50. * 24 hr trend......8 degrees cooler. * Min Humidity....... * Valleys..........38-48%. * Mid Slope........50-60%. * 24 hr trend......18% wetter. * 20-Foot Winds...... * Valleys/Slope....West winds 9 to 15 mph. * Ridge Top........West winds 10 to 15 mph with gusts to 25 mph. * Chc Wetting Rain...45%. * Mixing Height......1400-1900 ft agl increasing to 2500-3500 ft agl in the afternoon. * Transport Winds....West 10 to 15 mph. * Ventilation........Fair increasing to good in the afternoon. .TONIGHT... * Sky/Weather........Showers likely and a slight chance of thunderstorms in the evening, then showers after midnight. * Chance of Thunder..20%. * Min Temperature.... * Valleys..........30-40. * Mid Slope........30-38. * 24 hr trend......Little change. * Max Humidity....... * Valleys..........79-89%. * Mid Slope........69-79%. * 24 hr trend......4% wetter. * 20-Foot Winds...... * Valleys/Slope....West winds 9 to 16 mph with gusts to 25 mph. * Ridge Top........West winds 10 to 20 mph. * Chc Wetting Rain...50%. * Mixing Height......1600-2600 ft agl decreasing to 800-1300 ft agl after midnight. * Transport Winds....West 10 to 20 mph. * Ventilation........Very good decreasing to fair after midnight. .SUNDAY... * Sky/Weather........Showers likely in the morning, then chance of showers in the afternoon. * Chance of Thunder..0%. * Max Temperature.... * Valleys..........48-58. * Mid Slope........42-52. * Min Humidity....... * Valleys..........41-51%. * Mid Slope........47-57%. * 20-Foot Winds...... * Valleys/Slope....West winds 9 to 17 mph with gusts to 25 mph. * Ridge Top........West winds 10 to 20 mph with gusts to 35 mph. * Chc Wetting Rain...45%. * Mixing Height......1000-1500 ft agl increasing to 1700-2700 ft agl in the afternoon. * Transport Winds....West 15 to 25 mph. * Ventilation........Good increasing to very good in the afternoon. .Extended... .SUNDAY NIGHT...Partly cloudy in the evening then clearing. Lows 28-38. West winds 9 to 17 mph decreasing to 7 to 12 mph in the morning. .MONDAY...Clear. Highs 58-68. Lows 28-38. Slope winds. .TUESDAY...Mostly cloudy. Highs 63-73. Lows 33-43. Slope winds. .WEDNESDAY...Clear. Highs 64-74. Lows 39-49. Slope winds. .THURSDAY THROUGH FRIDAY...Clear. Highs 70-80. Lows 39-49. $$ NVZ421-270030- Southern Sierra Front including Alpine, Northern Mono, Southern Lyon, and Western Mineral Counties- 431 AM PDT Sat Apr 26 2025 .TODAY... * Sky/Weather........Showers. Slight chance of thunderstorms in the afternoon. * Chance of Thunder..20%. * Max Temperature.... * Valleys..........38-48. * Mid Slope........32-42. * 24 hr trend......12 degrees cooler. * Min Humidity....... * Valleys..........50-60%. * Mid Slope........53-63%. * 24 hr trend......24% wetter. * 20-Foot Winds...... * Valleys/Slope....Upslope 4 to 8 mph becoming northwest 9 to 14 mph in the afternoon. * Ridge Top........West winds 10 to 20 mph. * Chc Wetting Rain...70%. * Mixing Height......1200-1700 ft agl increasing to 1800-2800 ft agl in the afternoon. * Transport Winds....Northwest 10 to 15 mph. * Ventilation........Fair increasing to good in the afternoon. .TONIGHT... * Sky/Weather........Showers likely and a slight chance of thunderstorms in the evening, then snow showers likely after midnight. * Chance of Thunder..20%. * Min Temperature.... * Valleys..........23-33. * Mid Slope........27-37. * 24 hr trend......Little change. * Max Humidity....... * Valleys..........72-82%. * Mid Slope........61-71%. * 24 hr trend......9% drier. * 20-Foot Winds...... * Valleys/Slope....West winds 9 to 14 mph. * Ridge Top........West winds 10 to 20 mph increasing to 20 to 30 mph in the morning. * Chc Wetting Rain...40%. * Mixing Height......1400-1900 ft agl decreasing to 600-1000 ft agl after midnight. * Transport Winds....West 10 to 15 mph. * Ventilation........Good decreasing to fair after midnight. .SUNDAY... * Sky/Weather........Showers likely in the morning, then chance of showers in the afternoon. * Chance of Thunder..0%. * Max Temperature.... * Valleys..........43-53. * Mid Slope........36-46. * Min Humidity....... * Valleys..........43-53%. * Mid Slope........46-56%. * 20-Foot Winds...... * Valleys/Slope....West winds 9 to 14 mph. * Ridge Top........West winds 15 to 25 mph. * Chc Wetting Rain...35%. * Mixing Height......1200-1700 ft agl increasing to 1900-2900 ft agl in the afternoon. * Transport Winds....West 15 to 25 mph. * Ventilation........Very good. .Extended... .SUNDAY NIGHT...Mostly cloudy in the evening then becoming partly cloudy. Slight chance of showers in the evening. Lows 23-33. West winds 9 to 14 mph in the evening becoming downslope 2 to 5 mph. .MONDAY...Clear. Highs 52-62. Lows 23-33. North winds 10 to 15 mph. .TUESDAY...Partly cloudy. Highs 59-69. Lows 25-35. Slope winds. .WEDNESDAY...Partly cloudy. Slight chance of thunderstorms. Highs 61-71. Lows 33-43. Slope winds. .THURSDAY...Clear. Highs 65-75. Lows 33-43. .FRIDAY...Partly cloudy. Slight chance of showers. Highs 65-75. $$ CAZ272-270030- Greater Lake Tahoe and Truckee Area- 431 AM PDT Sat Apr 26 2025 .TODAY... * Sky/Weather........Snow showers. * Chance of Thunder..0%. * Max Temperature.... * Valleys..........36-42. * Mid Slope........31-41. * 24 hr trend......9 degrees cooler. * Min Humidity....... * Valleys..........65-75%. * Mid Slope........65-75%. * 24 hr trend......18% 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...70%. * Mixing Height......1500-2000 ft agl. * Transport Winds....West 10 to 15 mph. * Ventilation........Fair increasing to good in the afternoon. .TONIGHT... * Sky/Weather........Snow showers likely. * Chance of Thunder..0%. * Min Temperature.... * Valleys..........24-32. * Mid Slope........23-31. * 24 hr trend......Little change. * Max Humidity....... * Valleys..........88-98%. * Mid Slope........85-95%. * 24 hr trend......Little change. * 20-Foot Winds...... * Valleys/Slope....West winds 8 to 13 mph with gusts to 20 mph. * Ridge Top........West winds 10 to 20 mph. * Chc Wetting Rain...45%. * Mixing Height......1300-1800 ft agl decreasing to 700-1200 ft agl after midnight. * Transport Winds....West 15 to 25 mph. * Ventilation........Good. .SUNDAY... * Sky/Weather........Snow showers likely in the morning, then chance of showers in the afternoon. * Chance of Thunder..0%. * Max Temperature.... * Valleys..........38-44. * Mid Slope........33-43. * Min Humidity....... * Valleys..........61-71%. * Mid Slope........62-72%. * 20-Foot Winds...... * Valleys/Slope....West winds 8 to 13 mph with gusts to 20 mph. * Ridge Top........West winds 15 to 25 mph. * Chc Wetting Rain...45%. * Mixing Height......1200-1700 ft agl. * Transport Winds....West 15 to 25 mph. * Ventilation........Good. .Extended... .SUNDAY NIGHT...Partly cloudy in the evening then clearing. Lows 23-33. Downslope 2 to 5 mph. .MONDAY...Clear. Highs 50-58. Lows 23-33. Slope winds. .TUESDAY...Partly cloudy. Highs 55-63. Lows 28-38. Slope winds. .WEDNESDAY...Mostly clear. Slight chance of thunderstorms. Highs 57-65. Lows 33-43. Slope winds. .THURSDAY...Clear. Highs 61-69. Lows 34-44. .FRIDAY...Partly cloudy. Slight chance of showers. Highs 57-65. $$ NVZ423-270030- West Humboldt Basin in Pershing County- 431 AM PDT Sat Apr 26 2025 .TODAY... * Sky/Weather........Mostly cloudy. Chance of showers. * Chance of Thunder..0%. * Max Temperature.... * Valleys..........58-66. * Mid Slope........53-63. * 24 hr trend......4 degrees cooler. * Min Humidity....... * Valleys..........26-36%. * Mid Slope........26-36%. * 24 hr trend......8% wetter. * 20-Foot Winds...... * Valleys/Slope....West winds 9 to 14 mph. * Ridge Top........Northeast winds 10 to 15 mph shifting to the south with gusts to 25 mph in the late morning and afternoon. * Chc Wetting Rain...10%. * Mixing Height......2000-3000 ft agl increasing to 5900-6900 ft agl in the afternoon. * Transport Winds....North 10 to 15 mph shifting to the southeast in the afternoon. * Ventilation........Good increasing to excellent in the afternoon. .TONIGHT... * Sky/Weather........Slight chance of thunderstorms in the evening. Showers likely. * Chance of Thunder..20%. * Min Temperature.... * Valleys..........34-41. * Mid Slope........34-39. * 24 hr trend......Little change. * Max Humidity....... * Valleys..........77-87%. * Mid Slope........68-78%. * 24 hr trend......10% wetter. * 20-Foot Winds...... * Valleys/Slope....Southwest winds 9 to 14 mph. * Ridge Top........Southwest winds 10 to 20 mph. * Chc Wetting Rain...45%. * Mixing Height......3200-4200 ft agl decreasing to 900-1400 ft agl after midnight. * Transport Winds....Southwest 10 to 15 mph. * Ventilation........Very good decreasing to fair after midnight. .SUNDAY... * Sky/Weather........Showers. * Chance of Thunder..0%. * Max Temperature.... * Valleys..........51-61. * Mid Slope........46-56. * Min Humidity....... * Valleys..........44-54%. * Mid Slope........48-58%. * 20-Foot Winds...... * Valleys/Slope....Southwest winds 9 to 15 mph with gusts to 25 mph. * Ridge Top........Southwest winds 10 to 20 mph with gusts to 30 mph. * Chc Wetting Rain...60%. * Mixing Height......1100-1600 ft agl increasing to 1600-2600 ft agl in the afternoon. * Transport Winds....West 10 to 20 mph. * Ventilation........Fair increasing to very good in the afternoon. .Extended... .SUNDAY NIGHT...Mostly cloudy in the evening then clearing. Chance of showers in the evening. Lows 30-39. West winds 9 to 14 mph. .MONDAY...Clear. Highs 63-71. Lows 30-40. Slope winds. .TUESDAY...Mostly cloudy. Highs 68-74. Lows 35-45. Slope winds. .WEDNESDAY...Clear. Highs 69-75. Lows 39-49. Slope winds. .THURSDAY...Clear. Highs 75-81. Lows 39-49. .FRIDAY...Mostly sunny. Slight chance of showers. Highs 76-82. $$ NVZ429-270030- Lahontan Basin including Churchill and Eastern Mineral Counties- 431 AM PDT Sat Apr 26 2025 .TODAY... * Sky/Weather........Chance of showers in the morning, then snow showers and a slight chance of thunderstorms in the afternoon. * Chance of Thunder..20%. * Max Temperature.... * Valleys..........49-59. * Mid Slope........45-55. * 24 hr trend......8 degrees cooler. * Min Humidity....... * Valleys..........27-37%. * Mid Slope........30-40%. * 24 hr trend......15% wetter. * 20-Foot Winds...... * Valleys/Slope....West winds 9 to 15 mph. * Ridge Top........West winds 10 to 15 mph with gusts to 25 mph. * Chc Wetting Rain...45%. * Mixing Height......1600-2600 ft agl increasing to 4100-5100 ft agl in the afternoon. * Transport Winds....West 10 to 15 mph. * Ventilation........Good increasing to excellent in the afternoon. .TONIGHT... * Sky/Weather........Slight chance of thunderstorms in the evening. Showers likely. * Chance of Thunder..20%. * Min Temperature.... * Valleys..........31-41. * Mid Slope........30-40. * 24 hr trend......Little change. * Max Humidity....... * Valleys..........72-82%. * Mid Slope........67-77%. * 24 hr trend......4% wetter. * 20-Foot Winds...... * Valleys/Slope....West winds 9 to 15 mph with gusts to 25 mph. * Ridge Top........West winds 10 to 20 mph with gusts to 30 mph. * Chc Wetting Rain...50%. * Mixing Height......2200-3200 ft agl decreasing to 1100-1600 ft agl after midnight. * Transport Winds....West 10 to 15 mph. * Ventilation........Very good decreasing to good after midnight. .SUNDAY... * Sky/Weather........Showers. * Chance of Thunder..0%. * Max Temperature.... * Valleys..........47-57. * Mid Slope........42-52. * Min Humidity....... * Valleys..........42-52%. * Mid Slope........48-58%. * 20-Foot Winds...... * Valleys/Slope....West winds 9 to 16 mph with gusts to 25 mph. * Ridge Top........West winds 10 to 20 mph. * Chc Wetting Rain...50%. * Mixing Height......1200-1700 ft agl increasing to 2500-3500 ft agl in the afternoon. * Transport Winds....West 10 to 15 mph increasing to 15 to 25 mph in the afternoon. * Ventilation........Good increasing to very good in the afternoon. .Extended... .SUNDAY NIGHT...Mostly cloudy in the evening then becoming partly cloudy. Chance of showers in the evening. Lows 32-42. West winds 9 to 15 mph decreasing to 5 to 10 mph in the morning. .MONDAY...Clear. Highs 59-69. Lows 32-42. Northwest winds 10 to 15 mph. .TUESDAY...Partly cloudy. Highs 64-74. Lows 35-45. Slope winds. .WEDNESDAY...Clear. Highs 66-76. Lows 41-51. North winds 10 to 15 mph. .THURSDAY...Clear. Highs 71-81. Lows 41-51. .FRIDAY...Mostly sunny. Slight chance of showers. Highs 73-83. $$ CAZ270-278-NVZ458-270030- Surprise Valley California-Eastern Lassen County- Northern Washoe County- 431 AM PDT Sat Apr 26 2025 .TODAY... * Sky/Weather........Cloudy. Chance of showers. Slight chance of thunderstorms in the afternoon. * Chance of Thunder..20%. * Max Temperature.... * Valleys..........49-59. * Mid Slope........46-56. * 24 hr trend......4 degrees cooler. * Min Humidity....... * Valleys..........39-49%. * Mid Slope........41-51%. * 24 hr trend......15% wetter. * 20-Foot Winds...... * Valleys/Slope....Northwest winds 9 to 14 mph. * Ridge Top........Northwest winds 10 to 15 mph with gusts to 25 mph. * Chc Wetting Rain...45%. * Mixing Height......1500-2000 ft agl increasing to 3200-4200 ft agl in the afternoon. * Transport Winds....North 10 to 15 mph. * Ventilation........Good. .TONIGHT... * Sky/Weather........Slight chance of thunderstorms in the evening. Showers. * Chance of Thunder..20%. * Min Temperature.... * Valleys..........32-42. * Mid Slope........32-39. * 24 hr trend......Little change. * Max Humidity....... * Valleys..........82-92%. * Mid Slope........81-91%. * 24 hr trend......8% wetter. * 20-Foot Winds...... * Valleys/Slope....Northwest winds 9 to 14 mph with gusts to 25 mph. * Ridge Top........Northwest winds 10 to 20 mph. * Chc Wetting Rain...55%. * Mixing Height......1700-2200 ft agl decreasing to 900-1400 ft agl after midnight. * Transport Winds....Northwest 10 to 20 mph. * Ventilation........Good decreasing to fair after midnight. .SUNDAY... * Sky/Weather........Mostly cloudy. Chance of showers. * Chance of Thunder..0%. * Max Temperature.... * Valleys..........51-61. * Mid Slope........48-58. * Min Humidity....... * Valleys..........34-44%. * Mid Slope........31-41%. * 20-Foot Winds...... * Valleys/Slope....Northwest winds 9 to 17 mph increasing to 12 to 18 mph late in the afternoon. Gusts to 30 mph. * Ridge Top........Northwest winds 15 to 25 mph with gusts to 35 mph. * Chc Wetting Rain...45%. * Mixing Height......1100-1600 ft agl increasing to 2700-3700 ft agl in the afternoon. * Transport Winds....Northwest 15 to 25 mph. * Ventilation........Good increasing to excellent in the afternoon. .Extended... .SUNDAY NIGHT...Partly cloudy in the evening then clearing. Lows 27-37. Northwest winds 13 to 20 mph decreasing to 7 to 12 mph. .MONDAY...Clear. Highs 60-70. Lows 27-37. Slope winds. .TUESDAY...Mostly cloudy. Slight chance of showers. Highs 62-72. Lows 34-44. Northwest winds 10 to 15 mph. .WEDNESDAY...Clear. Highs 65-75. Lows 34-44. Slope winds. .THURSDAY...Clear. Highs 70-80. Lows 37-47. .FRIDAY...Partly cloudy. Slight chance of showers. Highs 69-79. $$ CAZ271-270030- Western Lassen, Eastern Plumas, and Eastern Sierra Counties- 431 AM PDT Sat Apr 26 2025 .TODAY... * Sky/Weather........Chance of showers. * Chance of Thunder..0%. * Max Temperature.... * Valleys..........40-50. * Mid Slope........38-48. * 24 hr trend......8 degrees cooler. * Min Humidity....... * Valleys..........62-72%. * Mid Slope........62-72%. * 24 hr trend......21% wetter. * 20-Foot Winds...... * Valleys/Slope....Upslope 4 to 8 mph becoming west 7 to 12 mph in the afternoon. * Ridge Top........Light winds. Gusts to 20 mph in the afternoon. * Chc Wetting Rain...50%. * Mixing Height......1100-1600 ft agl increasing to 1600-2600 ft agl in the afternoon. * Transport Winds....Northwest 10 to 15 mph. * Ventilation........Good. .TONIGHT... * Sky/Weather........Showers. * Chance of Thunder..0%. * Min Temperature.... * Valleys..........28-38. * Mid Slope........27-36. * 24 hr trend......Little change. * Max Humidity....... * Valleys..........88-98%. * Mid Slope........86-96%. * 24 hr trend......7% wetter. * 20-Foot Winds...... * Valleys/Slope....West winds 7 to 12 mph. * Ridge Top........West winds 10 to 20 mph. * Chc Wetting Rain...55%. * Mixing Height......900-1400 ft agl. * Transport Winds....West 10 to 15 mph. * Ventilation........Good. .SUNDAY... * Sky/Weather........Mostly cloudy. Chance of showers in the morning. Chance of snow showers in the afternoon. * Chance of Thunder..0%. * Max Temperature.... * Valleys..........45-55. * Mid Slope........42-52. * Min Humidity....... * Valleys..........50-60%. * Mid Slope........50-60%. * 20-Foot Winds...... * Valleys/Slope....West winds 9 to 14 mph with gusts to 25 mph. * Ridge Top........West winds 10 to 20 mph. * Chc Wetting Rain...45%. * Mixing Height......900-1400 ft agl increasing to 1800-2800 ft agl in the afternoon. * Transport Winds....West 15 to 25 mph. * Ventilation........Good increasing to very good in the afternoon. .Extended... .SUNDAY NIGHT...Partly cloudy. Lows 24-34. West winds 9 to 14 mph in the evening becoming downslope 2 to 5 mph. .MONDAY...Clear. Highs 56-66. Lows 24-34. Slope winds. .TUESDAY...Partly cloudy. Highs 60-70. Lows 30-40. Slope winds. .WEDNESDAY...Clear. Highs 64-74. Lows 32-42. Slope winds. .THURSDAY...Clear. Highs 68-78. Lows 36-46. .FRIDAY...Partly cloudy. Slight chance of thunderstorms. Highs 63-73. $$ CAZ274-270030- Southern Mono County- 431 AM PDT Sat Apr 26 2025 .TODAY... * Sky/Weather........Chance of showers in the morning, then snow showers and a slight chance of thunderstorms in the afternoon. * Chance of Thunder..20%. * Max Temperature.... * Valleys..........35-45. * Mid Slope........31-41. * 24 hr trend......12 degrees cooler. * Min Humidity....... * Valleys..........35-45%. * Mid Slope........48-58%. * 24 hr trend......22% wetter. * 20-Foot Winds...... * Valleys/Slope....Upslope 4 to 8 mph becoming west 8 to 13 mph with gusts to 20 mph in the afternoon. * Ridge Top........Southwest winds 10 to 20 mph with gusts to 30 mph. * Chc Wetting Rain...55%. * Mixing Height......1700-2200 ft agl increasing to 3100-4100 ft agl in the afternoon. * Transport Winds....Southwest 10 to 15 mph. * Ventilation........Good increasing to excellent in the afternoon. .TONIGHT... * Sky/Weather........Showers likely and a slight chance of thunderstorms in the evening, then chance of snow showers after midnight. * Chance of Thunder..20%. * Min Temperature.... * Valleys..........19-29. * Mid Slope........19-29. * 24 hr trend......Little change. * Max Humidity....... * Valleys..........73-83%. * Mid Slope........62-72%. * 24 hr trend......8% drier. * 20-Foot Winds...... * Valleys/Slope....West winds 7 to 12 mph. Gusts to 20 mph in the evening. * Ridge Top........West winds 10 to 20 mph with gusts to 30 mph. * Chc Wetting Rain...40%. * Mixing Height......1600-2100 ft agl decreasing to 600-1100 ft agl after midnight. * Transport Winds....West 10 to 15 mph. * Ventilation........Good decreasing to fair after midnight. .SUNDAY... * Sky/Weather........Mostly cloudy. Chance of showers. * Chance of Thunder..0%. * Max Temperature.... * Valleys..........40-50. * Mid Slope........35-45. * Min Humidity....... * Valleys..........28-38%. * Mid Slope........44-54%. * 20-Foot Winds...... * Valleys/Slope....West winds 7 to 12 mph. * Ridge Top........West winds 10 to 20 mph. * Chc Wetting Rain...15%. * Mixing Height......1300-1800 ft agl increasing to 2400-3400 ft agl in the afternoon. * Transport Winds....West 10 to 15 mph. * Ventilation........Good increasing to very good in the afternoon. .Extended... .SUNDAY NIGHT...Mostly cloudy in the evening then clearing. Lows 22-32. Northwest winds 7 to 12 mph in the evening becoming downslope 2 to 5 mph. .MONDAY...Clear. Highs 47-57. Lows 22-32. North winds 10 to 15 mph. .TUESDAY...Partly cloudy. Highs 56-66. Lows 24-34. Slope winds. .WEDNESDAY...Partly cloudy. Slight chance of thunderstorms. Highs 56-66. Lows 30-40. Slope winds. .THURSDAY...Clear. Highs 60-70. Lows 30-40. .FRIDAY...Mostly sunny. Slight chance of showers. Highs 60-70. $$ .8 to 14 day outlook for (Sat May 3 through Fri May 9) Above normal temperatures and near normal precipitation. = $$ http://weather.gov/reno