


Routine Fire Wx Fcst (With/Without 6-10 Day Outlook)
Issued by NWS Reno, NV
Issued by NWS Reno, NV
189 FNUS55 KREV 110954 FWFREV Fire Weather Planning Forecast National Weather Service Reno NV 254 AM PDT Mon Aug 11 2025 ...HEAT ADVISORY IN EFFECT FROM 11 AM THIS MORNING TO 9 AM PDT WEDNESDAY FOR WESTERN NV AND NORTHEAST CA... .DISCUSSION... Hot and dry conditions continue through midweek with limited overnight humidity recoveries. Isolated thunderstorms are possible in the Sierra and parts of western NV Tuesday and Wednesday afternoon. The potential for elevated fire weather concerns increases Wednesday due to breezy-gusty afternoon winds along with humidity generally below 15% in western NV and northeast CA valleys. 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 NVZ420-120030- Northern Sierra Front including Carson City, Douglas, Storey, Southern Washoe, Western Lyon, and Far Southern Lassen Counties- 254 AM PDT Mon Aug 11 2025 ...HEAT ADVISORY IN EFFECT FROM 11 AM THIS MORNING TO 9 AM PDT WEDNESDAY... .TODAY... * Sky/Weather........Sunny. * Chance of Thunder..0%. * Max Temperature.... * Valleys..........88-98. * Mid Slope........87-97. * 24 hr trend......Little change. * Min Humidity....... * Valleys..........7-17%. * Mid Slope........9-15%. * 24 hr trend......Little change. * 20-Foot Winds...... * Valleys/Slope....Upslope 4 to 8 mph. * Ridge Top........Light winds becoming northeast 10 to 15 mph in the afternoon. * Chc Wetting Rain...0%. * Mixing Height......1600-2100 ft agl increasing to 7800-8800 ft agl in the afternoon. * Transport Winds....Light winds. * Ventilation........Marginal increasing to very good in the afternoon. .TONIGHT... * Sky/Weather........Clear. * Chance of Thunder..0%. * Min Temperature.... * Valleys..........57-67. * Mid Slope........60-70. * 24 hr trend......Little change. * Max Humidity....... * Valleys..........35-45%. * Mid Slope........26-36%. * 24 hr trend......5% wetter. * 20-Foot Winds...... * Valleys/Slope....Downslope 2 to 5 mph. * Ridge Top........Northwest winds 10 to 15 mph. * Chc Wetting Rain...0%. * Mixing Height......5200-6200 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........Mostly sunny. Slight chance of thunderstorms in the afternoon. * Chance of Thunder..10%. * Max Temperature.... * Valleys..........90-100. * Mid Slope........89-99. * Min Humidity....... * Valleys..........8-18%. * Mid Slope........11-17%. * 20-Foot Winds...... * Valleys/Slope....Upslope 4 to 8 mph. * Ridge Top........Light winds. * Chc Wetting Rain...5%. * Mixing Height......800-1300 ft agl increasing to 7100-8100 ft agl in the afternoon. * Transport Winds....Light winds. * Ventilation........Marginal increasing to excellent in the afternoon. .Extended... .TUESDAY NIGHT...Partly cloudy in the evening then clearing. Slight chance of thunderstorms in the evening. Lows 55-65. West winds 9 to 14 mph. .WEDNESDAY...Clear. Highs 87-97. Lows 50-60. West winds 10 to 15 mph. .THURSDAY THROUGH FRIDAY...Clear. Highs 83-93. Lows 48-58. West winds 10 to 15 mph. .SATURDAY THROUGH SUNDAY...Clear. Highs 80-90. Lows 48-58. $$ NVZ421-120030- Southern Sierra Front including Alpine, Northern Mono, Southern Lyon, and Western Mineral Counties- 254 AM PDT Mon Aug 11 2025 ...HEAT ADVISORY IN EFFECT FROM 11 AM THIS MORNING TO 9 AM PDT WEDNESDAY... .TODAY... * Sky/Weather........Sunny. * Chance of Thunder..0%. * Max Temperature.... * Valleys..........87-97. * Mid Slope........81-91. * 24 hr trend......Little change. * Min Humidity....... * Valleys..........8-16%. * Mid Slope........8-18%. * 24 hr trend......Little change. * 20-Foot Winds...... * Valleys/Slope....Upslope 4 to 8 mph becoming north 9 to 14 mph in the afternoon. * Ridge Top........North winds 10 to 15 mph. * Chc Wetting Rain...0%. * Mixing Height......2100-3100 ft agl increasing to 9100-10100 ft agl in the afternoon. * Transport Winds....North 10 to 15 mph. * Ventilation........Fair increasing to excellent in the afternoon. .TONIGHT... * Sky/Weather........Clear. * Chance of Thunder..0%. * Min Temperature.... * Valleys..........50-60. * Mid Slope........61-71. * 24 hr trend......Little change. * Max Humidity....... * Valleys..........31-41%. * Mid Slope........20-30%. * 24 hr trend......4% wetter. * 20-Foot Winds...... * Valleys/Slope....North winds 9 to 15 mph in the evening becoming downslope 2 to 5 mph. * Ridge Top........West winds 10 to 15 mph shifting to the north in the morning. * Chc Wetting Rain...0%. * Mixing Height......5000-6000 ft agl decreasing to 600-900 ft agl after midnight. * Transport Winds....Northwest 10 to 15 mph. * Ventilation........Excellent decreasing to marginal after midnight. .TUESDAY... * Sky/Weather........Sunny then becoming partly cloudy. Slight chance of thunderstorms in the afternoon. * Chance of Thunder..20%. * Max Temperature.... * Valleys..........89-99. * Mid Slope........82-92. * Min Humidity....... * Valleys..........8-18%. * Mid Slope........9-19%. * 20-Foot Winds...... * Valleys/Slope....Upslope 4 to 8 mph becoming northwest 5 to 10 mph late in the afternoon. * Ridge Top........Southwest winds 10 to 15 mph. * Chc Wetting Rain...10%. * Mixing Height......1400-1900 ft agl increasing to 8900-9900 ft agl in the afternoon. * Transport Winds....Light winds. * Ventilation........Marginal increasing to excellent in the afternoon. .Extended... .TUESDAY NIGHT...Mostly cloudy in the evening then clearing. Slight chance of thunderstorms in the evening. Lows 49-59. West winds 9 to 14 mph. .WEDNESDAY...Mostly clear. Slight chance of thunderstorms. Highs 86-96. Lows 44-54. West winds 10 to 15 mph. .THURSDAY THROUGH FRIDAY...Clear. Highs 82-92. Lows 41-51. West winds 10 to 15 mph. .SATURDAY THROUGH SUNDAY...Clear. Highs 80-90. Lows 40-50. $$ CAZ272-120030- Greater Lake Tahoe and Truckee Area- 254 AM PDT Mon Aug 11 2025 .TODAY... * Sky/Weather........Sunny. * Chance of Thunder..0%. * Max Temperature.... * Valleys..........80-90. * Mid Slope........79-89. * 24 hr trend......Little change. * Min Humidity....... * Valleys..........14-24%. * Mid Slope........13-23%. * 24 hr trend......Little change. * 20-Foot Winds...... * Valleys/Slope....Upslope 4 to 8 mph. * Ridge Top........Light winds. * Chc Wetting Rain...0%. * Mixing Height......1500-2000 ft agl increasing to 7100-8100 ft agl in the afternoon. * Transport Winds....Light winds. * Ventilation........Fair increasing to very good 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..........52-62%. * Mid Slope........31-41%. * 24 hr trend......5% wetter. * 20-Foot Winds...... * Valleys/Slope....Downslope 2 to 5 mph. * Ridge Top........Light winds. * Chc Wetting Rain...0%. * Mixing Height......4300-5300 ft agl decreasing to 600-800 ft agl after midnight. * Transport Winds....West 10 to 15 mph. * Ventilation........Excellent decreasing to marginal after midnight. .TUESDAY... * Sky/Weather........Mostly sunny. Slight chance of thunderstorms in the afternoon. * Chance of Thunder..10%. * Max Temperature.... * Valleys..........80-90. * Mid Slope........79-89. * Min Humidity....... * Valleys..........17-27%. * Mid Slope........16-26%. * 20-Foot Winds...... * Valleys/Slope....Upslope 4 to 8 mph. * Ridge Top........Light winds becoming west 10 to 15 mph late in the afternoon. * Chc Wetting Rain...5%. * Mixing Height......800-1300 ft agl increasing to 6100-7100 ft agl in the afternoon. * Transport Winds....Southwest 10 to 15 mph. * Ventilation........Marginal increasing to excellent in the afternoon. .Extended... .TUESDAY NIGHT...Clear. Lows 50-60. West winds 5 to 10 mph in the evening becoming downslope 2 to 5 mph. .WEDNESDAY...Clear. Highs 75-85. Lows 44-54. Slope winds. .THURSDAY THROUGH FRIDAY...Clear. Highs 73-83. Lows 41-51. Slope winds. .SATURDAY THROUGH SUNDAY...Clear. Highs 70-80. Lows 41-51. $$ NVZ423-120030- West Humboldt Basin in Pershing County- 254 AM PDT Mon Aug 11 2025 ...HEAT ADVISORY IN EFFECT FROM 11 AM THIS MORNING TO 9 AM PDT WEDNESDAY... .TODAY... * Sky/Weather........Sunny. * Chance of Thunder..0%. * Max Temperature.... * Valleys..........94-100. * Mid Slope........89-99. * 24 hr trend......Little change. * Min Humidity....... * Valleys..........9-14%. * Mid Slope........9-14%. * 24 hr trend......Little change. * 20-Foot Winds...... * Valleys/Slope....Upslope 4 to 8 mph. * Ridge Top........North winds 10 to 15 mph. * Chc Wetting Rain...0%. * Mixing Height......1600-2600 ft agl increasing to 8000-9000 ft agl in the afternoon. * Transport Winds....Light winds. * Ventilation........Fair increasing to very good in the afternoon. .TONIGHT... * Sky/Weather........Clear. * Chance of Thunder..0%. * Min Temperature.... * Valleys..........60-70. * Mid Slope........63-72. * 24 hr trend......Little change. * Max Humidity....... * Valleys..........21-31%. * Mid Slope........18-28%. * 24 hr trend......Little change. * 20-Foot Winds...... * Valleys/Slope....Downslope 2 to 5 mph. * Ridge Top........Light winds. * Chc Wetting Rain...0%. * Mixing Height......4900-5900 ft agl decreasing to 600-800 ft agl after midnight. * Transport Winds....Light winds. * Ventilation........Excellent decreasing to marginal after midnight. .TUESDAY... * Sky/Weather........Sunny. * Chance of Thunder..0%. * Max Temperature.... * Valleys..........98-104. * Mid Slope........93-103. * Min Humidity....... * Valleys..........8-13%. * Mid Slope........9-14%. * 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 7300-8300 ft agl in the afternoon. * Transport Winds....Light winds. * Ventilation........Marginal increasing to excellent in the afternoon. .Extended... .TUESDAY NIGHT...Clear. Lows 61-71. West winds 7 to 12 mph. .WEDNESDAY...Clear. Highs 95-101. Lows 59-69. West winds 10 to 15 mph. .THURSDAY THROUGH FRIDAY...Clear. Highs 89-97. Lows 54-64. Slope winds. .SATURDAY THROUGH SUNDAY...Clear. Highs 87-94. Lows 54-64. $$ NVZ429-120030- Lahontan Basin including Churchill and Eastern Mineral Counties- 254 AM PDT Mon Aug 11 2025 ...HEAT ADVISORY IN EFFECT FROM 11 AM THIS MORNING TO 9 AM PDT WEDNESDAY... .TODAY... * Sky/Weather........Sunny. * Chance of Thunder..0%. * Max Temperature.... * Valleys..........91-101. * Mid Slope........87-97. * 24 hr trend......Little change. * Min Humidity....... * Valleys..........7-13%. * Mid Slope........8-13%. * 24 hr trend......Little change. * 20-Foot Winds...... * Valleys/Slope....Upslope 4 to 8 mph becoming north 8 to 13 mph with gusts to 20 mph in the afternoon. * Ridge Top........North winds 10 to 15 mph. * Chc Wetting Rain...0%. * Mixing Height......1700-2700 ft agl increasing to 8400-9400 ft agl in the afternoon. * Transport Winds....North 10 to 15 mph. * Ventilation........Fair increasing to excellent in the afternoon. .TONIGHT... * Sky/Weather........Clear. * Chance of Thunder..0%. * Min Temperature.... * Valleys..........59-69. * Mid Slope........63-73. * 24 hr trend......Little change. * Max Humidity....... * Valleys..........25-35%. * Mid Slope........18-28%. * 24 hr trend......6% wetter. * 20-Foot Winds...... * Valleys/Slope....North winds 8 to 13 mph in the evening becoming downslope 2 to 5 mph. * Ridge Top........North winds 10 to 15 mph. Gusts to 25 mph. * Chc Wetting Rain...0%. * Mixing Height......4700-5700 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........Mostly sunny. Slight chance of thunderstorms in the afternoon. * Chance of Thunder..0%. * Max Temperature.... * Valleys..........95-105. * Mid Slope........90-100. * Min Humidity....... * Valleys..........7-13%. * Mid Slope........7-13%. * 20-Foot Winds...... * Valleys/Slope....Upslope 4 to 8 mph. * Ridge Top........South winds 10 to 15 mph shifting to the northwest in the afternoon. * Chc Wetting Rain...5%. * Mixing Height......900-1400 ft agl increasing to 7200-8200 ft agl in the afternoon. * Transport Winds....Light winds. * Ventilation........Marginal increasing to excellent in the afternoon. .Extended... .TUESDAY NIGHT...Partly cloudy. Slight chance of thunderstorms in the evening. Lows 61-71. West winds 8 to 13 mph. .WEDNESDAY...Mostly clear. Slight chance of thunderstorms. Highs 92-102. Lows 56-66. West winds 10 to 15 mph. .THURSDAY THROUGH FRIDAY...Clear. Highs 88-98. Lows 54-64. West winds 8 to 13 mph. .SATURDAY THROUGH SUNDAY...Clear. Highs 86-96. Lows 53-63. $$ CAZ270-278-NVZ458-120030- Surprise Valley California-Eastern Lassen County- Northern Washoe County- 254 AM PDT Mon Aug 11 2025 ...HEAT ADVISORY IN EFFECT FROM 11 AM THIS MORNING TO 9 AM PDT WEDNESDAY... .TODAY... * Sky/Weather........Sunny. * Chance of Thunder..0%. * Max Temperature.... * Valleys..........91-101. * Mid Slope........87-95. * 24 hr trend......4 degrees warmer. * Min Humidity....... * Valleys..........7-15%. * Mid Slope........9-15%. * 24 hr trend......Little change. * 20-Foot Winds...... * Valleys/Slope....Upslope 4 to 8 mph. * Ridge Top........East winds 10 to 15 mph in the morning becoming light. * Chc Wetting Rain...0%. * Mixing Height......1700-2200 ft agl increasing to 8700-9700 ft agl in the afternoon. * Transport Winds....Light winds. * Ventilation........Fair increasing to very good in the afternoon. .TONIGHT... * Sky/Weather........Clear. * Chance of Thunder..0%. * Min Temperature.... * Valleys..........55-65. * Mid Slope........59-69. * 24 hr trend......Little change. * Max Humidity....... * Valleys..........32-42%. * Mid Slope........23-33%. * 24 hr trend......Little change. * 20-Foot Winds...... * Valleys/Slope....Northwest winds 7 to 12 mph with gusts to 20 mph becoming downslope 2 to 5 mph after midnight. * Ridge Top........Northwest winds 10 to 15 mph. * Chc Wetting Rain...0%. * Mixing Height......5200-6200 ft agl decreasing to 600-700 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..........93-103. * Mid Slope........88-98. * Min Humidity....... * Valleys..........9-16%. * Mid Slope........10-16%. * 20-Foot Winds...... * Valleys/Slope....Upslope 4 to 8 mph becoming southwest 8 to 13 mph late in the afternoon. * Ridge Top........West winds 10 to 15 mph. * Chc Wetting Rain...0%. * Mixing Height......700-1200 ft agl increasing to 7100-8100 ft agl in the afternoon. * Transport Winds....West 10 to 15 mph. * Ventilation........Marginal increasing to excellent in the afternoon. .Extended... .TUESDAY NIGHT...Clear. Lows 54-64. West winds 9 to 16 mph decreasing to 5 to 10 mph after midnight. .WEDNESDAY...Clear. Highs 89-99. Lows 49-59. West winds 10 to 15 mph. .THURSDAY THROUGH FRIDAY...Clear. Highs 84-94. Lows 46-56. West winds 10 to 15 mph. .SATURDAY THROUGH SUNDAY...Clear. Highs 81-91. Lows 47-57. $$ CAZ271-120030- Western Lassen, Eastern Plumas, and Eastern Sierra Counties- 254 AM PDT Mon Aug 11 2025 ...HEAT ADVISORY IN EFFECT FROM 11 AM THIS MORNING TO 9 AM PDT WEDNESDAY... .TODAY... * Sky/Weather........Sunny. * Chance of Thunder..0%. * Max Temperature.... * Valleys..........89-99. * Mid Slope........87-95. * 24 hr trend......Little change. * Min Humidity....... * Valleys..........11-17%. * Mid Slope........11-18%. * 24 hr trend......Little change. * 20-Foot Winds...... * Valleys/Slope....Upslope 4 to 8 mph. * Ridge Top........Light winds. * Chc Wetting Rain...0%. * Mixing Height......1600-2100 ft agl increasing to 9500-10500 ft agl in the afternoon. * Transport Winds....Light winds. * Ventilation........Fair increasing to very good in the afternoon. .TONIGHT... * Sky/Weather........Clear. * Chance of Thunder..0%. * Min Temperature.... * Valleys..........49-59. * Mid Slope........56-66. * 24 hr trend......Little change. * Max Humidity....... * Valleys..........44-54%. * Mid Slope........33-43%. * 24 hr trend......Little change. * 20-Foot Winds...... * Valleys/Slope....West winds 7 to 12 mph with gusts to 20 mph in the evening becoming downslope 2 to 5 mph. * Ridge Top........Light winds. * Chc Wetting Rain...0%. * Mixing Height......5200-6200 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..........89-99. * Mid Slope........86-96. * Min Humidity....... * Valleys..........13-21%. * Mid Slope........13-21%. * 20-Foot Winds...... * Valleys/Slope....Upslope 4 to 8 mph becoming west 7 to 12 mph with gusts to 20 mph late in the afternoon. * Ridge Top........Light winds becoming southwest 10 to 15 mph in the late morning and afternoon. * Chc Wetting Rain...5%. * Mixing Height......800-1300 ft agl increasing to 7400-8400 ft agl in the afternoon. * Transport Winds....Light winds becoming southwest 10 to 15 mph in the afternoon. * Ventilation........Marginal increasing to excellent in the afternoon. .Extended... .TUESDAY NIGHT...Clear. Lows 46-56. West winds 9 to 14 mph in the evening becoming downslope 2 to 5 mph. .WEDNESDAY...Clear. Highs 83-93. Lows 42-52. Southwest winds 10 to 15 mph. .THURSDAY THROUGH FRIDAY...Clear. Highs 80-90. Lows 39-49. West winds 10 to 15 mph. .SATURDAY THROUGH SUNDAY...Clear. Highs 76-86. Lows 39-49. $$ CAZ274-120030- Southern Mono County- 254 AM PDT Mon Aug 11 2025 .TODAY... * Sky/Weather........Sunny. * Chance of Thunder..0%. * Max Temperature.... * Valleys..........83-93. * Mid Slope........79-89. * 24 hr trend......Little change. * Min Humidity....... * Valleys..........7-17%. * Mid Slope........8-16%. * 24 hr trend......Little change. * 20-Foot Winds...... * Valleys/Slope....Upslope 4 to 8 mph becoming north 9 to 14 mph in the afternoon. * Ridge Top........North winds 10 to 15 mph. * Chc Wetting Rain...0%. * Mixing Height......2600-3600 ft agl increasing to 9300-10300 ft agl in the afternoon. * Transport Winds....North 10 to 15 mph. * Ventilation........Good increasing to excellent in the afternoon. .TONIGHT... * Sky/Weather........Clear. * Chance of Thunder..0%. * Min Temperature.... * Valleys..........49-59. * Mid Slope........51-61. * 24 hr trend......Little change. * Max Humidity....... * Valleys..........35-45%. * Mid Slope........24-34%. * 24 hr trend......4% wetter. * 20-Foot Winds...... * Valleys/Slope....North winds 8 to 13 mph with gusts to 20 mph in the evening becoming downslope 2 to 5 mph. * Ridge Top........Northwest winds 10 to 15 mph with gusts to 25 mph. * Chc Wetting Rain...0%. * Mixing Height......5700-6700 ft agl decreasing to 600-1000 ft agl after midnight. * Transport Winds....Northwest 10 to 15 mph. * Ventilation........Excellent decreasing to marginal after midnight. .TUESDAY... * Sky/Weather........Mostly sunny. Slight chance of thunderstorms in the afternoon. * Chance of Thunder..20%. * Max Temperature.... * Valleys..........84-94. * Mid Slope........80-90. * Min Humidity....... * Valleys..........8-18%. * Mid Slope........10-19%. * 20-Foot Winds...... * Valleys/Slope....Upslope 4 to 8 mph. * Ridge Top........Light winds. * Chc Wetting Rain...10%. * Mixing Height......1400-1900 ft agl increasing to 8500-9500 ft agl in the afternoon. * Transport Winds....Light winds. * Ventilation........Fair increasing to excellent in the afternoon. .Extended... .TUESDAY NIGHT...Mostly cloudy in the evening then clearing. Slight chance of thunderstorms in the evening. Lows 48-58. West winds 9 to 14 mph. .WEDNESDAY...Mostly clear. Slight chance of thunderstorms. Highs 80-90. Lows 44-54. Southwest winds 10 to 15 mph. .THURSDAY THROUGH FRIDAY...Clear. Highs 77-87. Lows 40-50. Southwest winds 10 to 15 mph. .SATURDAY THROUGH SUNDAY...Clear. Highs 75-85. Lows 40-50. $$ .8 to 14 day outlook for (Mon Aug 18 through Sun Aug 24) Above normal temperatures and Below normal precipitation. = $$ http://weather.gov/reno