Routine Fire Wx Fcst (With/Without 6-10 Day Outlook)
Issued by NWS Reno, NV
Issued by NWS Reno, NV
383
FNUS55 KREV 290937
FWFREV
Fire Weather Planning Forecast
National Weather Service Reno NV
237 AM PDT Fri Aug 29 2025
.DISCUSSION...
Thunderstorm activity decreases today with best chances east of
US-95 and in the Mono-S.Lyon-Mineral County. Shower and thunderstorm
chances diminish areawide this weekend. Lower daytime humidity and
poor overnight recoveries return this weekend for western Nevada and
continue into next week. The potential of thunderstorms and new lightning
ignitions increases early next 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
NVZ420-300030-
Northern Sierra Front including Carson City, Douglas, Storey,
Southern Washoe, Western Lyon, and Far Southern Lassen Counties-
237 AM PDT Fri Aug 29 2025
.TODAY...
* Sky/Weather........Sunny.
* Chance of Thunder..0%.
* Max Temperature....
* Valleys..........78-88.
* Mid Slope........75-85.
* 24 hr trend......Little change.
* Min Humidity.......
* Valleys..........9-19%.
* Mid Slope........11-21%.
* 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 8600-9600 ft
agl in the afternoon.
* Transport Winds....Light winds.
* Ventilation........Marginal increasing to very good in the
afternoon.
.TONIGHT...
* Sky/Weather........Partly cloudy then becoming clear.
* Chance of Thunder..0%.
* Min Temperature....
* Valleys..........47-57.
* Mid Slope........50-60.
* 24 hr trend......Little change.
* Max Humidity.......
* Valleys..........46-56%.
* Mid Slope........33-43%.
* 24 hr trend......9% wetter.
* 20-Foot Winds......
* Valleys/Slope....Downslope 2 to 5 mph.
* Ridge Top........Light winds.
* 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.
.SATURDAY...
* Sky/Weather........Sunny.
* Chance of Thunder..0%.
* Max Temperature....
* Valleys..........80-90.
* Mid Slope........78-88.
* Min Humidity.......
* Valleys..........10-20%.
* Mid Slope........13-23%.
* 20-Foot Winds......
* Valleys/Slope....Upslope 4 to 8 mph.
* Ridge Top........Southeast winds 10 to 15 mph.
* Chc Wetting Rain...0%.
* Mixing Height......700-1200 ft agl increasing to 5400-6400 ft agl
in the afternoon.
* Transport Winds....Light winds.
* Ventilation........Marginal increasing to very good in the
afternoon.
.Extended...
.SATURDAY NIGHT...Clear. Lows 52-62. Downslope 2 to 5 mph.
.SUNDAY...Clear. Highs 81-91. Lows 52-62. Slope winds.
.LABOR DAY...Mostly clear. Slight chance of showers. Highs 81-91. Lows
52-62. Slope winds.
.TUESDAY...Partly cloudy. Slight chance of showers. Highs 81-91.
Lows 52-62. Slope winds.
.WEDNESDAY...Partly cloudy. Slight chance of showers. Highs 80-90.
Lows 52-62.
.THURSDAY...Mostly sunny. Slight chance of showers. Highs 80-90.
$$
NVZ421-300030-
Southern Sierra Front including Alpine, Northern Mono, Southern
Lyon, and Western Mineral Counties-
237 AM PDT Fri Aug 29 2025
.TODAY...
* Sky/Weather........Sunny then becoming partly cloudy.
* Chance of Thunder..0%.
* Max Temperature....
* Valleys..........75-85.
* Mid Slope........68-78.
* 24 hr trend......Little change.
* Min Humidity.......
* Valleys..........13-23%.
* Mid Slope........14-24%.
* 24 hr trend......Little change.
* 20-Foot Winds......
* Valleys/Slope....Upslope 4 to 8 mph.
* Ridge Top........Light winds.
* Chc Wetting Rain...5%.
* Mixing Height......2100-3100 ft agl increasing to 9000-10000 ft
agl in the afternoon.
* Transport Winds....Light winds.
* Ventilation........Fair increasing to very good in the afternoon.
.TONIGHT...
* Sky/Weather........Partly cloudy then becoming clear.
* Chance of Thunder..0%.
* Min Temperature....
* Valleys..........39-49.
* Mid Slope........51-61.
* 24 hr trend......Little change.
* Max Humidity.......
* Valleys..........54-64%.
* Mid Slope........35-45%.
* 24 hr trend......9% wetter.
* 20-Foot Winds......
* Valleys/Slope....Downslope 2 to 5 mph.
* Ridge Top........West winds 10 to 15 mph shifting to the east in
the morning.
* Chc Wetting Rain...0%.
* Mixing Height......4300-5300 ft agl decreasing to 600-900 ft agl
after midnight.
* Transport Winds....Light winds.
* Ventilation........Very good decreasing to marginal after
midnight.
.SATURDAY...
* Sky/Weather........Sunny. Patchy smoke in the afternoon.
* Chance of Thunder..0%.
* Max Temperature....
* Valleys..........78-88.
* Mid Slope........71-81.
* Min Humidity.......
* Valleys..........14-24%.
* Mid Slope........15-25%.
* 20-Foot Winds......
* Valleys/Slope....Upslope 4 to 8 mph.
* Ridge Top........Southeast winds 10 to 15 mph.
* Chc Wetting Rain...0%.
* Mixing Height......1100-1600 ft agl increasing to 6500-7500 ft
agl in the afternoon.
* Transport Winds....Light winds.
* Ventilation........Marginal increasing to very good in the
afternoon.
.Extended...
.SATURDAY NIGHT...Partly cloudy in the evening then clearing. Lows
43-53. Downslope 2 to 5 mph.
.SUNDAY...Clear. Highs 79-89. Lows 43-53. Slope winds.
.LABOR DAY THROUGH TUESDAY...Partly cloudy. Chance of showers. Highs
79-89. Lows 43-53. Slope winds.
.WEDNESDAY...Partly cloudy. Slight chance of thunderstorms. Highs
78-88. Lows 43-53.
.THURSDAY...Partly cloudy. Chance of showers and a slight chance of
thunderstorms. Highs 77-87.
$$
CAZ272-300030-
Greater Lake Tahoe and Truckee Area-
237 AM PDT Fri Aug 29 2025
.TODAY...
* Sky/Weather........Sunny then becoming partly cloudy.
* Chance of Thunder..0%.
* Max Temperature....
* Valleys..........70-80.
* Mid Slope........68-78.
* 24 hr trend......Little change.
* Min Humidity.......
* Valleys..........18-28%.
* Mid Slope........16-26%.
* 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......1700-2200 ft agl increasing to 7600-8600 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..........40-50.
* Mid Slope........45-55.
* 24 hr trend......Little change.
* Max Humidity.......
* Valleys..........66-76%.
* Mid Slope........42-52%.
* 24 hr trend......13% wetter.
* 20-Foot Winds......
* Valleys/Slope....Downslope 2 to 5 mph.
* Ridge Top........Light winds becoming east 10 to 15 mph in the
morning.
* Chc Wetting Rain...0%.
* Mixing Height......3900-4900 ft agl decreasing to 600-800 ft agl
after midnight.
* Transport Winds....Northwest 10 to 15 mph.
* Ventilation........Very good decreasing to marginal after
midnight.
.SATURDAY...
* Sky/Weather........Sunny.
* Chance of Thunder..0%.
* Max Temperature....
* Valleys..........72-82.
* Mid Slope........70-80.
* Min Humidity.......
* Valleys..........19-29%.
* Mid Slope........18-28%.
* 20-Foot Winds......
* Valleys/Slope....Upslope 4 to 8 mph.
* Ridge Top........Southeast winds 10 to 15 mph.
* Chc Wetting Rain...0%.
* Mixing Height......700-1200 ft agl increasing to 5100-6100 ft agl
in the afternoon.
* Transport Winds....Light winds.
* Ventilation........Marginal increasing to good in the afternoon.
.Extended...
.SATURDAY NIGHT...Clear. Lows 44-54. Downslope 2 to 5 mph.
.SUNDAY...Clear. Highs 72-82. Lows 44-54. Slope winds.
.LABOR DAY...Mostly clear. Slight chance of showers. Highs 72-82. Lows
45-55. Slope winds.
.TUESDAY...Partly cloudy. Slight chance of showers. Highs 73-83.
Lows 46-56. Slope winds.
.WEDNESDAY...Partly cloudy. Slight chance of showers. Highs 73-83.
Lows 46-56.
.THURSDAY...Partly cloudy. Slight chance of showers. Highs 72-82.
$$
NVZ423-300030-
West Humboldt Basin in Pershing County-
237 AM PDT Fri Aug 29 2025
.TODAY...
* Sky/Weather........Sunny.
* Chance of Thunder..0%.
* Max Temperature....
* Valleys..........84-90.
* Mid Slope........79-89.
* 24 hr trend......Little change.
* Min Humidity.......
* Valleys..........16-24%.
* Mid Slope........15-25%.
* 24 hr trend......Little change.
* 20-Foot Winds......
* Valleys/Slope....Upslope 4 to 8 mph.
* Ridge Top........Light winds.
* Chc Wetting Rain...5%.
* Mixing Height......1600-2600 ft agl increasing to 10000-11000 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..........50-60.
* Mid Slope........51-61.
* 24 hr trend......Little change.
* Max Humidity.......
* Valleys..........39-49%.
* Mid Slope........25-35%.
* 24 hr trend......Little change.
* 20-Foot Winds......
* Valleys/Slope....Downslope 2 to 5 mph.
* Ridge Top........Light winds.
* Chc Wetting Rain...5%.
* Mixing Height......5300-6300 ft agl decreasing to 600-800 ft agl
after midnight.
* Transport Winds....Light winds.
* Ventilation........Good decreasing to marginal after midnight.
.SATURDAY...
* Sky/Weather........Sunny.
* Chance of Thunder..0%.
* Max Temperature....
* Valleys..........86-92.
* Mid Slope........81-91.
* Min Humidity.......
* Valleys..........15-21%.
* Mid Slope........15-25%.
* 20-Foot Winds......
* Valleys/Slope....Upslope 4 to 8 mph.
* Ridge Top........East winds 10 to 15 mph.
* Chc Wetting Rain...0%.
* Mixing Height......700-1200 ft agl increasing to 6300-7300 ft agl
in the afternoon.
* Transport Winds....Light winds.
* Ventilation........Marginal increasing to very good in the
afternoon.
.Extended...
.SATURDAY NIGHT...Clear. Lows 55-65. Downslope 2 to 5 mph.
.SUNDAY...Clear. Highs 90-96. Lows 55-65. Slope winds.
.LABOR DAY...Clear. Highs 90-96. Lows 57-67. Slope winds.
.TUESDAY...Partly cloudy. Highs 89-95. Lows 58-68. Slope winds.
.WEDNESDAY THROUGH THURSDAY...Clear. Highs 88-94. Lows 58-68.
$$
NVZ429-300030-
Lahontan Basin including Churchill and Eastern Mineral Counties-
237 AM PDT Fri Aug 29 2025
.TODAY...
* Sky/Weather........Sunny.
* Chance of Thunder..0%.
* Max Temperature....
* Valleys..........81-91.
* Mid Slope........76-86.
* 24 hr trend......Little change.
* Min Humidity.......
* Valleys..........15-25%.
* Mid Slope........16-26%.
* 24 hr trend......Little change.
* 20-Foot Winds......
* Valleys/Slope....Upslope 4 to 8 mph.
* Ridge Top........Light winds.
* Chc Wetting Rain...5%.
* Mixing Height......1800-2800 ft agl increasing to 9900-10900 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..........50-60.
* Mid Slope........53-63.
* 24 hr trend......Little change.
* Max Humidity.......
* Valleys..........43-53%.
* Mid Slope........32-42%.
* 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......5200-6200 ft agl decreasing to 600-800 ft agl
after midnight.
* Transport Winds....Light winds.
* Ventilation........Very good decreasing to marginal after
midnight.
.SATURDAY...
* Sky/Weather........Sunny.
* Chance of Thunder..0%.
* Max Temperature....
* Valleys..........83-93.
* Mid Slope........79-89.
* Min Humidity.......
* Valleys..........15-23%.
* Mid Slope........16-24%.
* 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 5900-6900 ft agl
in the afternoon.
* Transport Winds....Light winds.
* Ventilation........Marginal increasing to good in the afternoon.
.Extended...
.SATURDAY NIGHT...Clear. Lows 54-64. Downslope 2 to 5 mph.
.SUNDAY...Clear. Highs 86-96. Lows 54-64. Slope winds.
.LABOR DAY...Clear. Highs 86-96. Lows 56-66. Slope winds.
.TUESDAY...Partly cloudy. Slight chance of showers. Highs 85-95.
Lows 56-66. Slope winds.
.WEDNESDAY...Partly cloudy. Slight chance of showers. Highs 84-94.
Lows 56-66.
.THURSDAY...Mostly sunny. Slight chance of showers. Highs 84-94.
$$
CAZ270-278-NVZ458-300030-
Surprise Valley California-Eastern Lassen County-
Northern Washoe County-
237 AM PDT Fri Aug 29 2025
.TODAY...
* Sky/Weather........Sunny.
* Chance of Thunder..0%.
* Max Temperature....
* Valleys..........80-90.
* Mid Slope........77-85.
* 24 hr trend......Little change.
* Min Humidity.......
* Valleys..........9-19%.
* Mid Slope........12-18%.
* 24 hr trend......Little change.
* 20-Foot Winds......
* Valleys/Slope....Upslope 4 to 8 mph becoming south 7 to 12 mph in
the afternoon.
* Ridge Top........Light winds.
* Chc Wetting Rain...0%.
* Mixing Height......1400-1900 ft agl increasing to 11000-12000 ft
agl in the afternoon.
* Transport Winds....Light winds.
* Ventilation........Fair increasing to excellent in the afternoon.
.TONIGHT...
* Sky/Weather........Partly cloudy then becoming clear.
* Chance of Thunder..0%.
* Min Temperature....
* Valleys..........43-53.
* Mid Slope........47-57.
* 24 hr trend......Little change.
* Max Humidity.......
* Valleys..........45-55%.
* Mid Slope........34-44%.
* 24 hr trend......13% wetter.
* 20-Foot Winds......
* Valleys/Slope....Downslope 2 to 5 mph.
* Ridge Top........Light winds.
* Chc Wetting Rain...0%.
* Mixing Height......5700-6700 ft agl decreasing to 600-700 ft agl
after midnight.
* Transport Winds....Light winds.
* Ventilation........Excellent decreasing to marginal after
midnight.
.SATURDAY...
* Sky/Weather........Sunny.
* Chance of Thunder..0%.
* Max Temperature....
* Valleys..........83-93.
* Mid Slope........79-87.
* Min Humidity.......
* Valleys..........10-20%.
* Mid Slope........13-18%.
* 20-Foot Winds......
* Valleys/Slope....Upslope 4 to 8 mph becoming southeast 8 to 13
mph with gusts to 20 mph in the afternoon.
* Ridge Top........Southeast winds 10 to 15 mph.
* Chc Wetting Rain...0%.
* Mixing Height......700-1200 ft agl increasing to 6000-7000 ft agl
in the afternoon.
* Transport Winds....Light winds becoming south 10 to 15 mph in the
afternoon.
* Ventilation........Marginal increasing to excellent in the
afternoon.
.Extended...
.SATURDAY NIGHT...Clear. Lows 48-58. South winds 5 to 10 mph in the
evening becoming downslope 2 to 5 mph.
.SUNDAY...Clear. Highs 84-94. Lows 48-58. Slope winds.
.LABOR DAY...Clear. Highs 85-95. Lows 50-60. Slope winds.
.TUESDAY...Partly cloudy. Highs 84-94. Lows 50-60. Slope winds.
.WEDNESDAY...Partly cloudy. Highs 84-94. Lows 51-61.
.THURSDAY...Sunny. Highs 83-93.
$$
CAZ271-300030-
Western Lassen, Eastern Plumas, and Eastern Sierra Counties-
237 AM PDT Fri Aug 29 2025
.TODAY...
* Sky/Weather........Sunny.
* Chance of Thunder..0%.
* Max Temperature....
* Valleys..........78-88.
* Mid Slope........76-84.
* 24 hr trend......Little change.
* Min Humidity.......
* Valleys..........14-22%.
* Mid Slope........15-23%.
* 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......1600-2100 ft agl increasing to 10500-11500 ft
agl in the afternoon.
* Transport Winds....Light winds.
* Ventilation........Fair increasing to excellent in the afternoon.
.TONIGHT...
* Sky/Weather........Clear.
* Chance of Thunder..0%.
* Min Temperature....
* Valleys..........37-47.
* Mid Slope........46-56.
* 24 hr trend......Little change.
* Max Humidity.......
* Valleys..........55-65%.
* Mid Slope........37-47%.
* 24 hr trend......15% wetter.
* 20-Foot Winds......
* Valleys/Slope....Downslope 2 to 5 mph.
* Ridge Top........Southwest winds 10 to 15 mph.
* Chc Wetting Rain...0%.
* Mixing Height......4900-5900 ft agl decreasing to 600-700 ft agl
after midnight.
* Transport Winds....West 10 to 15 mph.
* Ventilation........Excellent decreasing to marginal after
midnight.
.SATURDAY...
* Sky/Weather........Sunny.
* Chance of Thunder..0%.
* Max Temperature....
* Valleys..........80-90.
* Mid Slope........78-86.
* Min Humidity.......
* Valleys..........15-23%.
* Mid Slope........15-23%.
* 20-Foot Winds......
* Valleys/Slope....Upslope 4 to 8 mph.
* Ridge Top........Southeast winds 10 to 15 mph.
* Chc Wetting Rain...0%.
* Mixing Height......700-1200 ft agl increasing to 6700-7700 ft agl
in the afternoon.
* Transport Winds....Light winds becoming south 10 to 15 mph in the
afternoon.
* Ventilation........Marginal increasing to excellent in the
afternoon.
.Extended...
.SATURDAY NIGHT...Clear. Lows 42-52. Downslope 2 to 5 mph.
.SUNDAY...Clear. Highs 81-91. Lows 42-52. Slope winds.
.LABOR DAY...Clear. Highs 81-91. Lows 43-53. Slope winds.
.TUESDAY...Mostly clear. Slight chance of showers. Highs 82-92. Lows 43-53.
Slope winds.
.WEDNESDAY THROUGH THURSDAY...Clear. Highs 82-92. Lows 44-54.
$$
CAZ274-300030-
Southern Mono County-
237 AM PDT Fri Aug 29 2025
.TODAY...
* Sky/Weather........Sunny then becoming partly cloudy. Patchy
smoke in the morning.
* Chance of Thunder..0%.
* Max Temperature....
* Valleys..........70-80.
* Mid Slope........66-76.
* 24 hr trend......Little change.
* Min Humidity.......
* Valleys..........15-25%.
* Mid Slope........17-27%.
* 24 hr trend......Little change.
* 20-Foot Winds......
* Valleys/Slope....Upslope 4 to 8 mph.
* Ridge Top........Light winds.
* Chc Wetting Rain...5%.
* Mixing Height......2400-3400 ft agl increasing to 8100-9100 ft
agl in the afternoon.
* Transport Winds....Light winds.
* Ventilation........Fair increasing to very good in the afternoon.
.TONIGHT...
* Sky/Weather........Partly cloudy then becoming clear.
* Chance of Thunder..0%.
* Min Temperature....
* Valleys..........37-47.
* Mid Slope........41-51.
* 24 hr trend......Little change.
* Max Humidity.......
* Valleys..........61-71%.
* Mid Slope........42-52%.
* 24 hr trend......12% 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......4600-5600 ft agl decreasing to 600-1000 ft agl
after midnight.
* Transport Winds....Light winds.
* Ventilation........Very good decreasing to marginal after
midnight.
.SATURDAY...
* Sky/Weather........Sunny.
* Chance of Thunder..0%.
* Max Temperature....
* Valleys..........73-83.
* Mid Slope........69-79.
* Min Humidity.......
* Valleys..........16-26%.
* Mid Slope........18-28%.
* 20-Foot Winds......
* Valleys/Slope....Upslope 4 to 8 mph.
* Ridge Top........Light winds becoming east 10 to 15 mph in the
afternoon.
* Chc Wetting Rain...0%.
* Mixing Height......1200-1700 ft agl increasing to 5800-6800 ft
agl in the afternoon.
* Transport Winds....Light winds.
* Ventilation........Marginal increasing to very good in the
afternoon.
.Extended...
.SATURDAY NIGHT...Partly cloudy in the evening then becoming clear.
Lows 42-52. Downslope 2 to 5 mph.
.SUNDAY...Clear. Highs 74-84. Lows 42-52. Slope winds.
.LABOR DAY...Mostly clear. Slight chance of showers. Highs 74-84. Lows
42-52. Slope winds.
.TUESDAY...Partly cloudy. Chance of showers. Highs 74-84. Lows
42-52. Slope winds.
.WEDNESDAY THROUGH THURSDAY...Partly cloudy. Chance of showers and a
slight chance of thunderstorms. Highs 72-82. Lows 42-52.
$$
.8 to 14 day outlook for (Fri Sep 5 through Thu Sep 11)
Above normal temperatures and precipitation.
=
$$
http://weather.gov/reno