


Routine Fire Wx Fcst (With/Without 6-10 Day Outlook)
Issued by NWS Reno, NV
Issued by NWS Reno, NV
247 FNUS55 KREV 040944 FWFREV Fire Weather Planning Forecast National Weather Service Reno NV 244 AM PDT Mon Aug 4 2025 .DISCUSSION... While minimum relative humidity values look to reach down to around 10-15% with dry conditions persisting within the region, critical fire weather concerns are not currently anticipated this week with the daily typical afternoon breezes staying below criteria. Temperatures look warm up to near early August averages by the middle of the week, followed by slightly becoming above average by the weekend. 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 NVZ420-050015- Northern Sierra Front including Carson City, Douglas, Storey, Southern Washoe, Western Lyon, and Far Southern Lassen Counties- 244 AM PDT Mon Aug 4 2025 .TODAY... * Sky/Weather........Sunny. * Chance of Thunder..0%. * Max Temperature.... * Valleys..........77-87. * Mid Slope........75-85. * 24 hr trend......Little change. * Min Humidity....... * Valleys..........9-19%. * Mid Slope........11-19%. * 24 hr trend......4% wetter. * 20-Foot Winds...... * Valleys/Slope....Upslope 4 to 8 mph becoming west 9 to 16 mph with gusts to 30 mph in the afternoon. * Ridge Top........West winds 10 to 16 mph. * Chc Wetting Rain...0%. * Mixing Height......2000-3000 ft agl increasing to 7200-8200 ft agl in the afternoon. * Transport Winds....West 10 to 20 mph. * Ventilation........Good increasing to excellent in the afternoon. .TONIGHT... * Sky/Weather........Clear. * Chance of Thunder..0%. * Min Temperature.... * Valleys..........46-56. * Mid Slope........49-59. * 24 hr trend......Little change. * Max Humidity....... * Valleys..........44-54%. * Mid Slope........32-42%. * 24 hr trend......4% wetter. * 20-Foot Winds...... * Valleys/Slope....West winds 13 to 20 mph with gusts to 30 mph decreasing to 9 to 14 mph in the late evening and overnight. * Ridge Top........West winds 10 to 15 mph. * Chc Wetting Rain...0%. * Mixing Height......4000-5000 ft agl decreasing to 600-900 ft agl after midnight. * Transport Winds....West 15 to 20 mph in the evening becoming light. * Ventilation........Excellent decreasing to marginal after midnight. .TUESDAY... * Sky/Weather........Sunny. * Chance of Thunder..0%. * Max Temperature.... * Valleys..........80-90. * Mid Slope........78-88. * Min Humidity....... * Valleys..........8-18%. * Mid Slope........11-17%. * 20-Foot Winds...... * Valleys/Slope....Upslope 4 to 8 mph. * Ridge Top........Light winds becoming north 10 to 15 mph in the afternoon. * Chc Wetting Rain...0%. * Mixing Height......900-1400 ft agl increasing to 4800-5800 ft agl in the afternoon. * Transport Winds....Light winds. * Ventilation........Marginal increasing to excellent in the afternoon. .Extended... .TUESDAY NIGHT...Clear. Lows 48-58. West winds 9 to 14 mph. .WEDNESDAY...Clear. Highs 81-91. Lows 48-58. West winds 10 to 15 mph. .THURSDAY THROUGH FRIDAY...Clear. Highs 83-93. Lows 50-60. West winds 10 to 15 mph. .SATURDAY THROUGH SUNDAY...Clear. Highs 85-95. Lows 53-63. $$ NVZ421-050015- Southern Sierra Front including Alpine, Northern Mono, Southern Lyon, and Western Mineral Counties- 244 AM PDT Mon Aug 4 2025 .TODAY... * Sky/Weather........Sunny. * Chance of Thunder..0%. * Max Temperature.... * Valleys..........78-88. * Mid Slope........71-81. * 24 hr trend......Little change. * Min Humidity....... * Valleys..........7-17%. * Mid Slope........7-17%. * 24 hr trend......Little change. * 20-Foot Winds...... * Valleys/Slope....Upslope 4 to 8 mph becoming west 9 to 15 mph with gusts to 25 mph in the late morning and afternoon. * Ridge Top........Southwest winds 10 to 20 mph with gusts to 30 mph. * Chc Wetting Rain...0%. * Mixing Height......2000-3000 ft agl increasing to 7000-8000 ft agl in the afternoon. * Transport Winds....West 10 to 20 mph. * Ventilation........Very good increasing to excellent in the afternoon. .TONIGHT... * Sky/Weather........Clear. * Chance of Thunder..0%. * Min Temperature.... * Valleys..........39-49. * Mid Slope........52-62. * 24 hr trend......Little change. * Max Humidity....... * Valleys..........38-48%. * Mid Slope........26-36%. * 24 hr trend......10% wetter. * 20-Foot Winds...... * Valleys/Slope....West winds 9 to 17 mph with gusts to 30 mph until early morning becoming downslope 2 to 5 mph. * Ridge Top........Southwest winds 10 to 15 mph with gusts to 25 mph. * Chc Wetting Rain...0%. * Mixing Height......4400-5400 ft agl decreasing to 600-900 ft agl after midnight. * Transport Winds....West 10 to 15 mph. * Ventilation........Excellent decreasing to marginal after midnight. .TUESDAY... * Sky/Weather........Sunny. * Chance of Thunder..0%. * Max Temperature.... * Valleys..........81-91. * Mid Slope........75-85. * Min Humidity....... * Valleys..........8-18%. * Mid Slope........8-18%. * 20-Foot Winds...... * Valleys/Slope....Upslope 4 to 8 mph becoming northwest 7 to 12 mph late in the afternoon. * Ridge Top........Southwest winds 10 to 15 mph. * Chc Wetting Rain...0%. * Mixing Height......1100-1600 ft agl increasing to 5800-6800 ft agl in the afternoon. * Transport Winds....Light winds becoming southwest 10 to 15 mph in the afternoon. * Ventilation........Fair increasing to excellent in the afternoon. .Extended... .TUESDAY NIGHT...Clear. Lows 42-52. West winds 9 to 15 mph until early morning becoming downslope 2 to 5 mph. .WEDNESDAY...Clear. Highs 83-93. Lows 42-52. West winds 10 to 15 mph. .THURSDAY THROUGH FRIDAY...Clear. Highs 84-94. Lows 43-53. West winds 10 to 15 mph. .SATURDAY THROUGH SUNDAY...Clear. Highs 85-95. Lows 45-55. $$ CAZ272-050015- Greater Lake Tahoe and Truckee Area- 244 AM PDT Mon Aug 4 2025 .TODAY... * Sky/Weather........Sunny. * Chance of Thunder..0%. * Max Temperature.... * Valleys..........67-77. * Mid Slope........64-74. * 24 hr trend......Little change. * Min Humidity....... * Valleys..........18-28%. * Mid Slope........18-28%. * 24 hr trend......7% wetter. * 20-Foot Winds...... * Valleys/Slope....Upslope 4 to 8 mph becoming southwest 10 to 17 mph with gusts to 25 mph in the afternoon. * Ridge Top........Southwest winds 10 to 17 mph with gusts to 30 mph. * Chc Wetting Rain...0%. * Mixing Height......1600-2600 ft agl increasing to 4400-5400 ft agl in the afternoon. * Transport Winds....Southwest 10 to 20 mph. * Ventilation........Good increasing to excellent in the afternoon. .TONIGHT... * Sky/Weather........Clear. * Chance of Thunder..0%. * Min Temperature.... * Valleys..........39-49. * Mid Slope........41-51. * 24 hr trend......Little change. * Max Humidity....... * Valleys..........61-71%. * Mid Slope........37-47%. * 24 hr trend......12% wetter. * 20-Foot Winds...... * Valleys/Slope....West winds 12 to 17 mph with gusts to 25 mph in the evening becoming downslope 2 to 5 mph. * Ridge Top........Southwest winds 10 to 15 mph with gusts to 25 mph. * Chc Wetting Rain...0%. * Mixing Height......2100-3100 ft agl decreasing to 600-800 ft agl after midnight. * Transport Winds....West 10 to 15 mph. * Ventilation........Very good decreasing to marginal after midnight. .TUESDAY... * Sky/Weather........Sunny. * Chance of Thunder..0%. * Max Temperature.... * Valleys..........70-80. * Mid Slope........68-78. * Min Humidity....... * Valleys..........17-27%. * Mid Slope........15-25%. * 20-Foot Winds...... * Valleys/Slope....Upslope 4 to 8 mph. * Ridge Top........Southwest winds 10 to 15 mph with gusts to 25 mph. * Chc Wetting Rain...0%. * Mixing Height......800-1300 ft agl increasing to 3700-4700 ft agl in the afternoon. * Transport Winds....Southwest 10 to 15 mph. * Ventilation........Marginal increasing to very good in the afternoon. .Extended... .TUESDAY NIGHT...Clear. Lows 41-51. West winds 5 to 10 mph in the evening becoming downslope 2 to 5 mph. .WEDNESDAY...Clear. Highs 71-81. Lows 41-51. Slope winds. .THURSDAY THROUGH FRIDAY...Clear. Highs 74-84. Lows 42-52. Slope winds. .SATURDAY THROUGH SUNDAY...Clear. Highs 77-87. Lows 46-56. $$ NVZ423-050015- West Humboldt Basin in Pershing County- 244 AM PDT Mon Aug 4 2025 .TODAY... * Sky/Weather........Sunny. * Chance of Thunder..0%. * Max Temperature.... * Valleys..........84-90. * Mid Slope........78-88. * 24 hr trend......5 degrees cooler. * Min Humidity....... * Valleys..........8-16%. * Mid Slope........9-15%. * 24 hr trend......4% wetter. * 20-Foot Winds...... * Valleys/Slope....Upslope 4 to 8 mph becoming southwest 9 to 15 mph in the late morning and afternoon. * Ridge Top........West winds 10 to 20 mph. * Chc Wetting Rain...0%. * Mixing Height......2200-3200 ft agl increasing to 8400-9400 ft agl in the afternoon. * Transport Winds....Light winds becoming west 15 to 20 mph in the afternoon. * Ventilation........Good increasing to excellent in the afternoon. .TONIGHT... * Sky/Weather........Clear. * Chance of Thunder..0%. * Min Temperature.... * Valleys..........52-62. * Mid Slope........53-62. * 24 hr trend......Little change. * Max Humidity....... * Valleys..........33-43%. * Mid Slope........27-37%. * 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 until early morning. * Chc Wetting Rain...0%. * Mixing Height......4900-5900 ft agl decreasing to 600-800 ft agl after midnight. * Transport Winds....West 10 to 20 mph. * Ventilation........Excellent decreasing to marginal after midnight. .TUESDAY... * Sky/Weather........Sunny. * Chance of Thunder..0%. * Max Temperature.... * Valleys..........86-94. * Mid Slope........82-92. * Min Humidity....... * Valleys..........8-13%. * Mid Slope........8-13%. * 20-Foot Winds...... * Valleys/Slope....Upslope 4 to 8 mph. * Ridge Top........East winds 10 to 15 mph with gusts to 20 mph shifting to the southwest in the afternoon. * Chc Wetting Rain...0%. * Mixing Height......900-1400 ft agl increasing to 5600-6600 ft agl in the afternoon. * Transport Winds....Light winds becoming southwest 10 to 15 mph in the afternoon. * Ventilation........Marginal increasing to very good in the afternoon. .Extended... .TUESDAY NIGHT...Clear. Lows 53-63. West winds 8 to 13 mph in the evening becoming downslope 2 to 5 mph. .WEDNESDAY...Clear. Highs 88-96. Lows 53-63. West winds 10 to 15 mph. .THURSDAY...Partly cloudy. Highs 88-96. Lows 55-65. West winds 10 to 15 mph. .FRIDAY...Clear. Highs 88-96. Lows 54-64. Slope winds. .SATURDAY THROUGH SUNDAY...Clear. Highs 90-100. Lows 54-64. $$ NVZ429-050015- Lahontan Basin including Churchill and Eastern Mineral Counties- 244 AM PDT Mon Aug 4 2025 .TODAY... * Sky/Weather........Sunny. * Chance of Thunder..0%. * Max Temperature.... * Valleys..........83-93. * Mid Slope........78-88. * 24 hr trend......4 degrees cooler. * Min Humidity....... * Valleys..........6-14%. * Mid Slope........7-12%. * 24 hr trend......Little change. * 20-Foot Winds...... * Valleys/Slope....West winds 9 to 14 mph. * Ridge Top........West winds 10 to 15 mph. * Chc Wetting Rain...0%. * Mixing Height......2000-3000 ft agl increasing to 8200-9200 ft agl in the afternoon. * Transport Winds....West 10 to 15 mph. * Ventilation........Good increasing to excellent in the afternoon. .TONIGHT... * Sky/Weather........Clear. * Chance of Thunder..0%. * Min Temperature.... * Valleys..........51-61. * Mid Slope........54-64. * 24 hr trend......Little change. * Max Humidity....... * Valleys..........31-41%. * Mid Slope........23-33%. * 24 hr trend......5% wetter. * 20-Foot Winds...... * Valleys/Slope....Northwest winds 9 to 15 mph with gusts to 25 mph shifting to the west 7 to 12 mph after midnight. * Ridge Top........Light winds. * Chc Wetting Rain...0%. * Mixing Height......4900-5900 ft agl decreasing to 600-800 ft agl after midnight. * Transport Winds....Northwest 10 to 15 mph. * Ventilation........Excellent decreasing to marginal after midnight. .TUESDAY... * Sky/Weather........Sunny. * Chance of Thunder..0%. * Max Temperature.... * Valleys..........86-96. * Mid Slope........82-92. * Min Humidity....... * Valleys..........7-13%. * Mid Slope........7-13%. * 20-Foot Winds...... * Valleys/Slope....Upslope 4 to 8 mph. * Ridge Top........Light winds becoming west 10 to 15 mph in the late morning and afternoon. * Chc Wetting Rain...0%. * Mixing Height......900-1400 ft agl increasing to 5100-6100 ft agl in the afternoon. * Transport Winds....Light winds. * Ventilation........Marginal increasing to very good in the afternoon. .Extended... .TUESDAY NIGHT...Clear. Lows 53-63. Northwest winds 8 to 13 mph. .WEDNESDAY...Clear. Highs 88-98. Lows 53-63. West winds 10 to 15 mph. .THURSDAY THROUGH FRIDAY...Clear. Highs 89-99. Lows 54-64. Northwest winds 10 to 15 mph. .SATURDAY THROUGH SUNDAY...Clear. Highs 90-100. Lows 56-66. $$ CAZ270-278-NVZ458-050015- Surprise Valley California-Eastern Lassen County- Northern Washoe County- 244 AM PDT Mon Aug 4 2025 .TODAY... * Sky/Weather........Sunny. * Chance of Thunder..0%. * Max Temperature.... * Valleys..........78-88. * Mid Slope........72-82. * 24 hr trend......4 degrees cooler. * Min Humidity....... * Valleys..........10-20%. * Mid Slope........14-24%. * 24 hr trend......Little change. * 20-Foot Winds...... * Valleys/Slope....Upslope 4 to 8 mph becoming west 9 to 15 mph in the late morning and afternoon. * Ridge Top........West winds 10 to 15 mph. * Chc Wetting Rain...0%. * Mixing Height......2400-3400 ft agl increasing to 8200-9200 ft agl in the afternoon. * Transport Winds....West 10 to 15 mph. * Ventilation........Good increasing to excellent in the afternoon. .TONIGHT... * Sky/Weather........Clear. * Chance of Thunder..0%. * Min Temperature.... * Valleys..........43-53. * Mid Slope........47-57. * 24 hr trend......Little change. * Max Humidity....... * Valleys..........48-58%. * Mid Slope........34-44%. * 24 hr trend......10% drier. * 20-Foot Winds...... * Valleys/Slope....West winds 12 to 18 mph with gusts to 30 mph becoming downslope 2 to 5 mph. * Ridge Top........Northwest winds 10 to 15 mph. Gusts to 25 mph in the evening. * Chc Wetting Rain...0%. * Mixing Height......4600-5600 ft agl decreasing to 600-700 ft agl after midnight. * Transport Winds....West 10 to 20 mph. * Ventilation........Excellent decreasing to marginal after midnight. .TUESDAY... * Sky/Weather........Sunny. * Chance of Thunder..0%. * Max Temperature.... * Valleys..........81-91. * Mid Slope........76-86. * Min Humidity....... * Valleys..........8-18%. * Mid Slope........10-20%. * 20-Foot Winds...... * Valleys/Slope....Upslope 4 to 8 mph becoming west 5 to 10 mph late in the afternoon. * Ridge Top........Northwest winds 10 to 15 mph shifting to the southwest in the afternoon. * Chc Wetting Rain...0%. * Mixing Height......900-1400 ft agl increasing to 5000-6000 ft agl in the afternoon. * Transport Winds....Light winds becoming southwest 10 to 15 mph in the afternoon. * Ventilation........Marginal increasing to very good in the afternoon. .Extended... .TUESDAY NIGHT...Clear. Lows 46-56. West winds 9 to 14 mph. .WEDNESDAY...Partly cloudy. Highs 82-92. Lows 46-56. West winds 10 to 15 mph. .THURSDAY...Partly cloudy. Highs 83-93. Lows 47-57. West winds 10 to 15 mph. .FRIDAY...Clear. Highs 84-94. Lows 48-58. Slope winds. .SATURDAY THROUGH SUNDAY...Clear. Highs 87-97. Lows 49-59. $$ CAZ271-050015- Western Lassen, Eastern Plumas, and Eastern Sierra Counties- 244 AM PDT Mon Aug 4 2025 .TODAY... * Sky/Weather........Sunny. * Chance of Thunder..0%. * Max Temperature.... * Valleys..........73-83. * Mid Slope........70-80. * 24 hr trend......Little change. * Min Humidity....... * Valleys..........16-26%. * Mid Slope........16-26%. * 24 hr trend......Little change. * 20-Foot Winds...... * Valleys/Slope....Upslope 4 to 8 mph becoming west 9 to 15 mph with gusts to 25 mph in the afternoon. * Ridge Top........Southwest winds 10 to 15 mph. * Chc Wetting Rain...0%. * Mixing Height......2000-3000 ft agl increasing to 6500-7500 ft agl in the afternoon. * Transport Winds....West 10 to 15 mph. * Ventilation........Good increasing to excellent in the afternoon. .TONIGHT... * Sky/Weather........Clear. * Chance of Thunder..0%. * Min Temperature.... * Valleys..........36-46. * Mid Slope........44-54. * 24 hr trend......Little change. * Max Humidity....... * Valleys..........61-71%. * Mid Slope........45-55%. * 24 hr trend......6% drier. * 20-Foot Winds...... * Valleys/Slope....West winds 10 to 17 mph with gusts to 25 mph in the evening becoming downslope 2 to 5 mph. * Ridge Top........Southwest winds 10 to 15 mph. Gusts to 25 mph in the evening. * Chc Wetting Rain...0%. * Mixing Height......3200-4200 ft agl decreasing to 600-700 ft agl after midnight. * Transport Winds....West 10 to 15 mph. * Ventilation........Excellent decreasing to marginal after midnight. .TUESDAY... * Sky/Weather........Sunny. * Chance of Thunder..0%. * Max Temperature.... * Valleys..........76-86. * Mid Slope........73-83. * Min Humidity....... * Valleys..........13-23%. * Mid Slope........14-24%. * 20-Foot Winds...... * Valleys/Slope....Upslope 4 to 8 mph becoming west 5 to 10 mph late in the afternoon. * Ridge Top........Southwest winds 10 to 15 mph. * Chc Wetting Rain...0%. * Mixing Height......900-1400 ft agl increasing to 4900-5900 ft agl in the afternoon. * Transport Winds....Light winds becoming southwest 10 to 15 mph in the afternoon. * Ventilation........Marginal increasing to very good in the afternoon. .Extended... .TUESDAY NIGHT...Clear. Lows 38-48. West winds 9 to 14 mph in the evening becoming downslope 2 to 5 mph. .WEDNESDAY...Clear. Highs 78-88. Lows 38-48. West winds 10 to 15 mph. .THURSDAY...Clear. Highs 79-89. Lows 41-51. Southwest winds 10 to 15 mph. .FRIDAY...Clear. Highs 82-92. Lows 42-52. Slope winds. .SATURDAY THROUGH SUNDAY...Clear. Highs 86-96. Lows 45-55. $$ CAZ274-050015- Southern Mono County- 244 AM PDT Mon Aug 4 2025 .TODAY... * Sky/Weather........Sunny. * Chance of Thunder..0%. * Max Temperature.... * Valleys..........75-85. * Mid Slope........71-81. * 24 hr trend......Little change. * Min Humidity....... * Valleys..........5-15%. * Mid Slope........7-16%. * 24 hr trend......Little change. * 20-Foot Winds...... * Valleys/Slope....Upslope 4 to 8 mph becoming southwest 9 to 14 mph with gusts to 25 mph in the afternoon. * Ridge Top........Southwest winds 10 to 15 mph with gusts to 25 mph. * Chc Wetting Rain...0%. * Mixing Height......1900-2900 ft agl increasing to 7100-8100 ft agl in the afternoon. * Transport Winds....West 10 to 20 mph. * Ventilation........Good increasing to excellent in the afternoon. .TONIGHT... * Sky/Weather........Clear. * Chance of Thunder..0%. * Min Temperature.... * Valleys..........38-48. * Mid Slope........42-52. * 24 hr trend......Little change. * Max Humidity....... * Valleys..........39-49%. * Mid Slope........29-39%. * 24 hr trend......9% wetter. * 20-Foot Winds...... * Valleys/Slope....West winds 9 to 15 mph with gusts to 25 mph becoming downslope 2 to 5 mph. * Ridge Top........Southwest winds 10 to 15 mph. * Chc Wetting Rain...0%. * Mixing Height......4600-5600 ft agl decreasing to 600-1000 ft agl after midnight. * Transport Winds....West 10 to 15 mph. * Ventilation........Excellent decreasing to marginal after midnight. .TUESDAY... * Sky/Weather........Sunny. * Chance of Thunder..0%. * Max Temperature.... * Valleys..........79-89. * Mid Slope........75-85. * Min Humidity....... * Valleys..........7-17%. * Mid Slope........8-17%. * 20-Foot Winds...... * Valleys/Slope....Upslope 4 to 8 mph becoming southwest 7 to 12 mph with gusts to 25 mph. * Ridge Top........Southwest winds 10 to 15 mph. * Chc Wetting Rain...0%. * Mixing Height......1200-1700 ft agl increasing to 5500-6500 ft agl in the afternoon. * Transport Winds....Southwest 10 to 15 mph. * Ventilation........Fair increasing to excellent in the afternoon. .Extended... .TUESDAY NIGHT...Clear. Lows 41-51. West winds 9 to 14 mph. .WEDNESDAY...Clear. Highs 80-90. Lows 41-51. Southwest winds 10 to 15 mph. .THURSDAY THROUGH FRIDAY...Clear. Highs 80-90. Lows 41-51. Southwest winds 10 to 15 mph. .SATURDAY...Clear. Highs 80-90. Lows 43-53. .SUNDAY...Sunny. Highs 80-90. $$ .8 to 14 day outlook for (Mon Aug 11 through Sun Aug 17) Above normal temperatures and Little or no precipitation. = $$ http://weather.gov/reno