Routine Fire Wx Fcst (With/Without 6-10 Day Outlook)
Issued by NWS Reno, NV
Issued by NWS Reno, NV
447
FNUS55 KREV 311951
FWFREV
Fire Weather Planning Forecast
National Weather Service Reno NV
1251 PM PDT Sun Aug 31 2025
...INCREASING CHANCE FOR A MIX OF WET AND DRY THUNDERSTORMS TUESDAY...
.DISCUSSION...
Isolated showers and thunderstorms will be possible this afternoon
across portions of Mono, Mineral, Alpine and southern Douglas/Lyon
counties today. Otherwise, expect warm and dry conditions along with
generally poor overnight recoveries into early next week. Tuesday
will see the best chances of elevated and fast-moving hybrid
thunderstorms capable of producing a dry lightning strikes and brief
periods of moderate to heavy rain.
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
NVZ420-011430-
Northern Sierra Front including Carson City, Douglas, Storey,
Southern Washoe, Western Lyon, and Far Southern Lassen Counties-
1251 PM PDT Sun Aug 31 2025
.TONIGHT...
* Sky/Weather........Partly cloudy then becoming clear.
* Chance of Thunder..0%.
* Min Temperature....
* Valleys..........52-62.
* Mid Slope........55-65.
* 24 hr trend......Little change.
* Max Humidity.......
* Valleys..........38-48%.
* Mid Slope........29-39%.
* 24 hr trend......Little change.
* 20-Foot Winds......
* Valleys/Slope....West winds 7 to 12 mph with gusts to 20 mph
until early morning becoming downslope 2 to 5
mph.
* Ridge Top........West winds 10 to 15 mph. Gusts to 20 mph in the
evening.
* Chc Wetting Rain...5%.
* Mixing Height......5300-6300 ft agl decreasing to 600-900 ft agl
after midnight.
* Transport Winds....West 10 to 15 mph.
* Ventilation........Excellent decreasing to marginal after
midnight.
.LABOR DAY...
* Sky/Weather........Sunny. Patchy smoke in the morning.
* Chance of Thunder..0%.
* Max Temperature....
* Valleys..........82-92.
* Mid Slope........81-91.
* 24 hr trend......Little change.
* Min Humidity.......
* Valleys..........10-20%.
* Mid Slope........13-21%.
* 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......1500-2500 ft agl increasing to 8500-9500 ft
agl in the afternoon.
* Transport Winds....Southwest 10 to 15 mph.
* Ventilation........Fair increasing to excellent in the afternoon.
.MONDAY NIGHT...
* Sky/Weather........Clear. Patchy smoke.
* Chance of Thunder..0%.
* Min Temperature....
* Valleys..........54-64.
* Mid Slope........56-66.
* Max Humidity.......
* Valleys..........40-50%.
* Mid Slope........30-40%.
* 20-Foot Winds......
* Valleys/Slope....Downslope 2 to 5 mph.
* Ridge Top........Light winds.
* Chc Wetting Rain...5%.
* Mixing Height......5700-6700 ft agl decreasing to 600-900 ft agl
after midnight.
* Transport Winds....Light winds.
* Ventilation........Excellent decreasing to marginal after
midnight.
.TUESDAY...
* Sky/Weather........Partly cloudy then becoming mostly cloudy.
Slight chance of thunderstorms in the
afternoon.
* Chance of Thunder..20%.
* Max Temperature....
* Valleys..........80-90.
* Mid Slope........78-88.
* Min Humidity.......
* Valleys..........13-23%.
* Mid Slope........16-26%.
* 20-Foot Winds......
* Valleys/Slope....Upslope 4 to 8 mph.
* Ridge Top........Southwest winds 10 to 15 mph. Gusts to 25 mph in
the late morning and afternoon.
* Chc Wetting Rain...10%.
* Mixing Height......600-900 ft agl increasing to 4800-5800 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...
.TUESDAY NIGHT...Mostly cloudy in the evening then becoming partly
cloudy. Slight chance of thunderstorms in the evening. Chance of
showers. Lows 51-61. Southwest winds 7 to 12 mph in the evening
becoming downslope 2 to 5 mph.
.WEDNESDAY...Partly cloudy. Slight chance of showers. Highs 79-89.
Lows 51-61. Slope winds.
.THURSDAY...Partly cloudy. Highs 81-91. Lows 51-61. Slope winds.
.FRIDAY...Partly cloudy. Slight chance of thunderstorms. Highs
79-89. Lows 50-60. Slope winds.
.SATURDAY...Partly cloudy. Slight chance of showers. Highs 77-87.
Lows 47-57.
.SUNDAY...Partly cloudy. Highs 75-85.
$$
NVZ421-011430-
Southern Sierra Front including Alpine, Northern Mono, Southern
Lyon, and Western Mineral Counties-
1251 PM PDT Sun Aug 31 2025
.TONIGHT...
* Sky/Weather........Partly cloudy then becoming clear. Slight
chance of thunderstorms in the evening. Patchy
smoke after midnight.
* Chance of Thunder..10%.
* Min Temperature....
* Valleys..........43-53.
* Mid Slope........56-66.
* 24 hr trend......Little change.
* Max Humidity.......
* Valleys..........49-59%.
* Mid Slope........31-41%.
* 24 hr trend......Little change.
* 20-Foot Winds......
* Valleys/Slope....Downslope 2 to 5 mph.
* Ridge Top........Southwest winds 10 to 15 mph.
* Chc Wetting Rain...5%.
* Mixing Height......4900-5900 ft agl decreasing to 600-900 ft agl
after midnight.
* Transport Winds....Light winds.
* Ventilation........Excellent decreasing to marginal after
midnight.
.LABOR DAY...
* Sky/Weather........Sunny. Patchy smoke.
* Chance of Thunder..0%.
* Max Temperature....
* Valleys..........81-91.
* Mid Slope........74-84.
* 24 hr trend......Little change.
* Min Humidity.......
* Valleys..........12-22%.
* Mid Slope........13-23%.
* 24 hr trend......Little change.
* 20-Foot Winds......
* Valleys/Slope....Upslope 4 to 8 mph.
* Ridge Top........South winds 10 to 15 mph.
* Chc Wetting Rain...5%.
* Mixing Height......2500-3500 ft agl increasing to 9900-10900 ft
agl in the afternoon.
* Transport Winds....South 10 to 15 mph.
* Ventilation........Very good increasing to excellent in the
afternoon.
.MONDAY NIGHT...
* Sky/Weather........Partly cloudy then becoming clear. Patchy
smoke.
* Chance of Thunder..0%.
* Min Temperature....
* Valleys..........45-55.
* Mid Slope........57-67.
* Max Humidity.......
* Valleys..........44-54%.
* Mid Slope........30-40%.
* 20-Foot Winds......
* Valleys/Slope....Downslope 2 to 5 mph.
* Ridge Top........Southwest winds 10 to 15 mph.
* Chc Wetting Rain...5%.
* Mixing Height......5400-6400 ft agl decreasing to 600-900 ft agl
after midnight.
* Transport Winds....Light winds.
* Ventilation........Excellent decreasing to marginal after
midnight.
.TUESDAY...
* Sky/Weather........Partly cloudy then becoming mostly cloudy.
Patchy smoke in the morning. Chance of showers
and a slight chance of thunderstorms in the
afternoon.
* Chance of Thunder..20%.
* Max Temperature....
* Valleys..........77-87.
* Mid Slope........71-81.
* Min Humidity.......
* Valleys..........17-27%.
* Mid Slope........18-28%.
* 20-Foot Winds......
* Valleys/Slope....Upslope 4 to 8 mph becoming south 8 to 13 mph in
the afternoon.
* Ridge Top........South winds 10 to 20 mph with gusts to 30 mph.
* Chc Wetting Rain...20%.
* Mixing Height......600-900 ft agl increasing to 6500-7500 ft agl
in the afternoon.
* Transport Winds....South 10 to 20 mph.
* 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 41-51. Southwest winds
7 to 12 mph in the evening becoming downslope 2 to 5 mph.
.WEDNESDAY...Partly cloudy. Slight chance of showers. Highs 78-88.
Lows 41-51. Slope winds.
.THURSDAY THROUGH FRIDAY...Partly cloudy. Slight chance of
thunderstorms. Highs 78-88. Lows 41-51. Slope winds.
.SATURDAY...Partly cloudy. Slight chance of showers. Highs 75-85.
Lows 39-49.
.SUNDAY...Partly cloudy. Highs 73-83.
$$
CAZ272-011430-
Greater Lake Tahoe and Truckee Area-
1251 PM PDT Sun Aug 31 2025
.TONIGHT...
* Sky/Weather........Clear.
* Chance of Thunder..0%.
* Min Temperature....
* Valleys..........46-56.
* Mid Slope........48-58.
* 24 hr trend......4 degrees warmer.
* Max Humidity.......
* Valleys..........58-68%.
* Mid Slope........35-45%.
* 24 hr trend......Little change.
* 20-Foot Winds......
* Valleys/Slope....Downslope 2 to 5 mph.
* Ridge Top........Light winds becoming southwest 10 to 15 mph
after midnight.
* Chc Wetting Rain...0%.
* Mixing Height......3100-4100 ft agl decreasing to 600-800 ft agl
after midnight.
* Transport Winds....Southwest 10 to 15 mph.
* Ventilation........Excellent decreasing to marginal after
midnight.
.LABOR DAY...
* Sky/Weather........Sunny.
* Chance of Thunder..0%.
* Max Temperature....
* Valleys..........74-84.
* Mid Slope........72-82.
* 24 hr trend......Little change.
* Min Humidity.......
* Valleys..........19-29%.
* Mid Slope........19-29%.
* 24 hr trend......Little change.
* 20-Foot Winds......
* Valleys/Slope....Upslope 4 to 8 mph.
* Ridge Top........Southwest winds 10 to 15 mph.
* Chc Wetting Rain...0%.
* Mixing Height......2000-3000 ft agl increasing to 7600-8600 ft
agl in the afternoon.
* Transport Winds....South 10 to 15 mph.
* Ventilation........Good increasing to excellent in the afternoon.
.MONDAY NIGHT...
* Sky/Weather........Clear. Patchy smoke.
* Chance of Thunder..0%.
* Min Temperature....
* Valleys..........47-57.
* Mid Slope........51-61.
* Max Humidity.......
* Valleys..........59-69%.
* Mid Slope........35-45%.
* 20-Foot Winds......
* Valleys/Slope....Downslope 2 to 5 mph.
* Ridge Top........Light winds becoming southwest 10 to 15 mph in
the morning.
* Chc Wetting Rain...5%.
* Mixing Height......4400-5400 ft agl decreasing to 600-800 ft agl
after midnight.
* Transport Winds....Southwest 10 to 15 mph.
* Ventilation........Excellent decreasing to marginal after
midnight.
.TUESDAY...
* Sky/Weather........Partly cloudy then becoming mostly cloudy.
Patchy smoke in the morning. Chance of showers
and a slight chance of thunderstorms in the
afternoon.
* Chance of Thunder..20%.
* Max Temperature....
* Valleys..........71-81.
* Mid Slope........69-79.
* Min Humidity.......
* Valleys..........27-37%.
* Mid Slope........27-37%.
* 20-Foot Winds......
* Valleys/Slope....Upslope 4 to 8 mph.
* Ridge Top........South winds 10 to 15 mph.
* Chc Wetting Rain...20%.
* Mixing Height......600-800 ft agl increasing to 4600-5600 ft agl
in the afternoon.
* Transport Winds....Light winds becoming south 10 to 15 mph in the
afternoon.
* Ventilation........Poor increasing to very good in the afternoon.
.Extended...
.TUESDAY NIGHT...Mostly cloudy in the evening then clearing. Slight
chance of thunderstorms in the evening. Chance of showers. Lows
44-54. Downslope 2 to 5 mph.
.WEDNESDAY...Partly cloudy. Slight chance of showers. Highs 71-81.
Lows 44-54. Slope winds.
.THURSDAY...Partly cloudy. Highs 72-82. Lows 44-54. Slope winds.
.FRIDAY...Partly cloudy. Slight chance of thunderstorms. Highs
70-80. Lows 42-52. Slope winds.
.SATURDAY THROUGH SUNDAY...Partly cloudy. Highs 66-76. Lows 40-50.
$$
NVZ423-011430-
West Humboldt Basin in Pershing County-
1251 PM PDT Sun Aug 31 2025
.TONIGHT...
* Sky/Weather........Clear.
* Chance of Thunder..0%.
* Min Temperature....
* Valleys..........57-66.
* Mid Slope........60-67.
* 24 hr trend......5 degrees warmer.
* Max Humidity.......
* Valleys..........27-37%.
* Mid Slope........23-33%.
* 24 hr trend......Little change.
* 20-Foot Winds......
* Valleys/Slope....Southwest winds 5 to 10 mph in the evening
becoming downslope 2 to 5 mph.
* Ridge Top........Light winds becoming east 10 to 15 mph after
midnight.
* Chc Wetting Rain...0%.
* Mixing Height......5400-6400 ft agl decreasing to 600-800 ft agl
after midnight.
* Transport Winds....West 10 to 15 mph.
* Ventilation........Excellent decreasing to marginal after
midnight.
.LABOR DAY...
* Sky/Weather........Sunny. Patchy smoke in the afternoon.
* Chance of Thunder..0%.
* Max Temperature....
* Valleys..........90-96.
* Mid Slope........85-95.
* 24 hr trend......Little change.
* Min Humidity.......
* Valleys..........11-16%.
* Mid Slope........11-16%.
* 24 hr trend......Little change.
* 20-Foot Winds......
* Valleys/Slope....Upslope 4 to 8 mph.
* Ridge Top........South winds 10 to 15 mph. Gusts to 20 mph early
in the afternoon.
* Chc Wetting Rain...0%.
* Mixing Height......1200-1700 ft agl increasing to 9500-10500 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.
.MONDAY NIGHT...
* Sky/Weather........Clear. Patchy smoke in the evening.
* Chance of Thunder..0%.
* Min Temperature....
* Valleys..........58-67.
* Mid Slope........61-69.
* Max Humidity.......
* Valleys..........27-37%.
* Mid Slope........23-33%.
* 20-Foot Winds......
* Valleys/Slope....Downslope 2 to 5 mph.
* Ridge Top........Light winds.
* Chc Wetting Rain...0%.
* Mixing Height......5400-6400 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 then becoming partly cloudy.
* Chance of Thunder..0%.
* Max Temperature....
* Valleys..........89-95.
* Mid Slope........84-94.
* Min Humidity.......
* Valleys..........12-17%.
* Mid Slope........13-18%.
* 20-Foot Winds......
* Valleys/Slope....Upslope 4 to 8 mph becoming south 5 to 10 mph
late in the afternoon.
* Ridge Top........East winds 10 to 15 mph shifting to the
southwest 10 to 20 mph late in the afternoon.
* Chc Wetting Rain...5%.
* Mixing Height......600-700 ft agl increasing to 4900-5900 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...
.TUESDAY NIGHT...Mostly cloudy. Slight chance of thunderstorms in
the evening, then slight chance of showers after midnight. Lows
57-66. Southwest winds 8 to 13 mph until early morning becoming
downslope 2 to 5 mph.
.WEDNESDAY THROUGH THURSDAY...Partly cloudy. Highs 87-95. Lows
57-66. Slope winds.
.FRIDAY...Partly cloudy. Slight chance of thunderstorms. Highs
89-95. Lows 55-65. Slope winds.
.SATURDAY THROUGH SUNDAY...Partly cloudy. Highs 83-91. Lows 53-63.
$$
NVZ429-011430-
Lahontan Basin including Churchill and Eastern Mineral Counties-
1251 PM PDT Sun Aug 31 2025
.TONIGHT...
* Sky/Weather........Partly cloudy then becoming clear. Slight
chance of thunderstorms in the evening.
* Chance of Thunder..10%.
* Min Temperature....
* Valleys..........55-65.
* Mid Slope........58-68.
* 24 hr trend......Little change.
* Max Humidity.......
* Valleys..........33-43%.
* Mid Slope........25-35%.
* 24 hr trend......Little change.
* 20-Foot Winds......
* Valleys/Slope....West winds 7 to 12 mph until early morning
becoming downslope 2 to 5 mph.
* Ridge Top........Southwest winds 10 to 15 mph.
* Chc Wetting Rain...5%.
* Mixing Height......5900-6900 ft agl decreasing to 600-800 ft agl
after midnight.
* Transport Winds....Light winds.
* Ventilation........Excellent decreasing to marginal after
midnight.
.LABOR DAY...
* Sky/Weather........Sunny. Patchy smoke in the afternoon.
* Chance of Thunder..0%.
* Max Temperature....
* Valleys..........87-97.
* Mid Slope........82-92.
* 24 hr trend......Little change.
* Min Humidity.......
* Valleys..........10-18%.
* Mid Slope........11-17%.
* 24 hr trend......Little change.
* 20-Foot Winds......
* Valleys/Slope....Upslope 4 to 8 mph.
* Ridge Top........South winds 10 to 15 mph.
* Chc Wetting Rain...0%.
* Mixing Height......1600-2100 ft agl increasing to 9500-10500 ft
agl in the afternoon.
* Transport Winds....Light winds becoming south 10 to 15 mph in the
afternoon.
* Ventilation........Fair increasing to excellent in the afternoon.
.MONDAY NIGHT...
* Sky/Weather........Clear. Patchy smoke.
* Chance of Thunder..0%.
* Min Temperature....
* Valleys..........57-67.
* Mid Slope........59-69.
* Max Humidity.......
* Valleys..........32-42%.
* Mid Slope........25-35%.
* 20-Foot Winds......
* Valleys/Slope....Downslope 2 to 5 mph.
* Ridge Top........Light winds becoming southeast 10 to 15 mph
after midnight.
* Chc Wetting Rain...0%.
* Mixing Height......5700-6700 ft agl decreasing to 600-800 ft agl
after midnight.
* Transport Winds....Light winds.
* Ventilation........Excellent decreasing to marginal after
midnight.
.TUESDAY...
* Sky/Weather........Partly cloudy then becoming mostly cloudy.
Slight chance of thunderstorms in the
afternoon.
* Chance of Thunder..10%.
* Max Temperature....
* Valleys..........84-94.
* Mid Slope........80-90.
* Min Humidity.......
* Valleys..........13-23%.
* Mid Slope........13-23%.
* 20-Foot Winds......
* Valleys/Slope....Upslope 4 to 8 mph becoming south 8 to 13 mph in
the afternoon.
* Ridge Top........South winds 10 to 20 mph with gusts to 30 mph.
* Chc Wetting Rain...5%.
* Mixing Height......600-800 ft agl increasing to 4900-5900 ft agl
in the afternoon.
* Transport Winds....South 10 to 20 mph.
* 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, then slight chance of
showers after midnight. Lows 54-64. South winds 9 to 14 mph until
early morning becoming downslope 2 to 5 mph.
.WEDNESDAY...Clear. Highs 84-94. Lows 54-64. Slope winds.
.THURSDAY THROUGH FRIDAY...Partly cloudy. Slight chance of
thunderstorms. Highs 85-95. Lows 53-63. Slope winds.
.SATURDAY...Partly cloudy. Slight chance of showers. Highs 81-91.
Lows 52-62.
.SUNDAY...Partly cloudy. Highs 80-90.
$$
CAZ270-278-NVZ458-011430-
Surprise Valley California-Eastern Lassen County-
Northern Washoe County-
1251 PM PDT Sun Aug 31 2025
.TONIGHT...
* Sky/Weather........Partly cloudy then becoming clear. Patchy
smoke in the evening.
* Chance of Thunder..0%.
* Min Temperature....
* Valleys..........47-57.
* Mid Slope........53-63.
* 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
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......5300-6300 ft agl decreasing to 600-700 ft agl
after midnight.
* Transport Winds....West 10 to 15 mph.
* Ventilation........Excellent decreasing to marginal after
midnight.
.LABOR DAY...
* Sky/Weather........Sunny.
* Chance of Thunder..0%.
* Max Temperature....
* Valleys..........84-94.
* Mid Slope........81-89.
* 24 hr trend......Little change.
* Min Humidity.......
* Valleys..........11-18%.
* Mid Slope........13-18%.
* 24 hr trend......Little change.
* 20-Foot Winds......
* Valleys/Slope....Upslope 4 to 8 mph becoming south 9 to 14 mph
with gusts to 25 mph in the late morning and
afternoon.
* Ridge Top........South winds 10 to 15 mph with gusts to 25 mph.
* Chc Wetting Rain...0%.
* Mixing Height......1700-2200 ft agl increasing to 9400-10400 ft
agl in the afternoon.
* Transport Winds....Light winds becoming south 15 to 25 mph in the
afternoon.
* Ventilation........Very good increasing to excellent in the
afternoon.
.MONDAY NIGHT...
* Sky/Weather........Clear.
* Chance of Thunder..0%.
* Min Temperature....
* Valleys..........49-59.
* Mid Slope........54-64.
* Max Humidity.......
* Valleys..........36-46%.
* Mid Slope........28-38%.
* 20-Foot Winds......
* Valleys/Slope....Southwest winds 9 to 14 mph with gusts to 25 mph
in the evening becoming downslope 2 to 5 mph.
* Ridge Top........Light winds.
* Chc Wetting Rain...0%.
* Mixing Height......5400-6400 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........Partly cloudy.
* Chance of Thunder..0%.
* Max Temperature....
* Valleys..........84-94.
* Mid Slope........82-88.
* Min Humidity.......
* Valleys..........13-23%.
* Mid Slope........14-19%.
* 20-Foot Winds......
* Valleys/Slope....Upslope 4 to 8 mph becoming south 5 to 10 mph
late in the afternoon.
* Ridge Top........Northeast winds 10 to 15 mph shifting to the
south late in the afternoon.
* Chc Wetting Rain...5%.
* Mixing Height......600-700 ft agl increasing to 5600-6600 ft agl
in the afternoon.
* Transport Winds....Light winds becoming southeast 10 to 15 mph in
the afternoon.
* Ventilation........Marginal increasing to excellent in the
afternoon.
.Extended...
.TUESDAY NIGHT...Mostly cloudy in the evening then becoming partly
cloudy. Slight chance of thunderstorms in the evening. Chance of
showers. Lows 49-59. Southwest winds 8 to 13 mph until early
morning becoming downslope 2 to 5 mph.
.WEDNESDAY THROUGH THURSDAY...Partly cloudy. Highs 83-93. Lows
49-59. Slope winds.
.FRIDAY...Mostly cloudy. Highs 82-92. Lows 46-56. Slope winds.
.SATURDAY...Partly cloudy. Slight chance of showers. Highs 79-89.
Lows 44-54.
.SUNDAY...Partly cloudy. Highs 77-87.
$$
CAZ271-011430-
Western Lassen, Eastern Plumas, and Eastern Sierra Counties-
1251 PM PDT Sun Aug 31 2025
.TONIGHT...
* Sky/Weather........Partly cloudy then becoming clear.
* Chance of Thunder..0%.
* Min Temperature....
* Valleys..........41-51.
* Mid Slope........51-61.
* 24 hr trend......Little change.
* Max Humidity.......
* Valleys..........44-54%.
* Mid Slope........31-41%.
* 24 hr trend......Little change.
* 20-Foot Winds......
* Valleys/Slope....Southwest winds 9 to 14 mph with gusts to 25 mph
in the evening becoming downslope 2 to 5 mph.
* Ridge Top........South winds 10 to 15 mph with gusts to 25 mph.
* Chc Wetting Rain...0%.
* Mixing Height......3800-4800 ft agl decreasing to 600-700 ft agl
after midnight.
* Transport Winds....Southwest 10 to 15 mph.
* Ventilation........Excellent decreasing to marginal after
midnight.
.LABOR DAY...
* Sky/Weather........Sunny.
* Chance of Thunder..0%.
* Max Temperature....
* Valleys..........81-91.
* Mid Slope........79-87.
* 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 becoming southwest 9 to 14
mph with gusts to 25 mph in the late morning
and afternoon.
* Ridge Top........Southwest winds 10 to 15 mph.
* Chc Wetting Rain...0%.
* Mixing Height......2000-3000 ft agl increasing to 9400-10400 ft
agl in the afternoon.
* Transport Winds....South 10 to 15 mph increasing to 15 to 25 mph
in the afternoon.
* Ventilation........Excellent.
.MONDAY NIGHT...
* Sky/Weather........Clear.
* Chance of Thunder..0%.
* Min Temperature....
* Valleys..........44-54.
* Mid Slope........53-63.
* Max Humidity.......
* Valleys..........50-60%.
* Mid Slope........34-44%.
* 20-Foot Winds......
* Valleys/Slope....Southwest winds 8 to 13 mph with gusts to 25 mph
in the evening becoming downslope 2 to 5 mph.
* Ridge Top........Southwest winds 10 to 15 mph.
* Chc Wetting Rain...5%.
* Mixing Height......5000-6000 ft agl decreasing to 600-700 ft agl
after midnight.
* Transport Winds....South 10 to 15 mph.
* Ventilation........Excellent decreasing to poor after midnight.
.TUESDAY...
* Sky/Weather........Sunny then becoming partly cloudy. Slight
chance of thunderstorms in the afternoon.
* Chance of Thunder..10%.
* Max Temperature....
* Valleys..........81-91.
* Mid Slope........79-87.
* Min Humidity.......
* Valleys..........18-28%.
* Mid Slope........19-29%.
* 20-Foot Winds......
* Valleys/Slope....Upslope 4 to 8 mph.
* Ridge Top........Southeast winds 10 to 15 mph.
* Chc Wetting Rain...10%.
* Mixing Height......600-700 ft agl increasing to 6300-7300 ft agl
in the afternoon.
* Transport Winds....Light winds becoming southeast 10 to 15 mph in
the afternoon.
* Ventilation........Poor increasing to excellent in the afternoon.
.Extended...
.TUESDAY NIGHT...Mostly cloudy in the evening then becoming partly
cloudy. Slight chance of thunderstorms in the evening. Chance of
showers. Lows 41-51. Downslope 2 to 5 mph.
.WEDNESDAY...Clear. Highs 79-89. Lows 41-51. Slope winds.
.THURSDAY THROUGH FRIDAY...Partly cloudy. Highs 80-90. Lows 40-50.
Slope winds.
.SATURDAY THROUGH SUNDAY...Partly cloudy. Highs 74-84. Lows 37-47.
$$
CAZ274-011430-
Southern Mono County-
1251 PM PDT Sun Aug 31 2025
.TONIGHT...
* Sky/Weather........Clear. Patchy smoke.
* Chance of Thunder..0%.
* Min Temperature....
* Valleys..........42-52.
* Mid Slope........45-55.
* 24 hr trend......Little change.
* Max Humidity.......
* Valleys..........56-66%.
* Mid Slope........40-50%.
* 24 hr trend......Little change.
* 20-Foot Winds......
* Valleys/Slope....Downslope 2 to 5 mph.
* Ridge Top........South winds 10 to 15 mph.
* Chc Wetting Rain...5%.
* Mixing Height......5100-6100 ft agl decreasing to 600-1000 ft agl
after midnight.
* Transport Winds....Southwest 10 to 15 mph.
* Ventilation........Excellent decreasing to marginal after
midnight.
.LABOR DAY...
* Sky/Weather........Sunny. Areas of smoke in the morning. Patchy
smoke in the afternoon.
* Chance of Thunder..0%.
* Max Temperature....
* Valleys..........76-86.
* Mid Slope........73-83.
* 24 hr trend......Little change.
* Min Humidity.......
* Valleys..........12-22%.
* Mid Slope........15-25%.
* 24 hr trend......5% drier.
* 20-Foot Winds......
* Valleys/Slope....Upslope 4 to 8 mph becoming south 7 to 12 mph
with gusts to 20 mph in the afternoon.
* Ridge Top........South winds 10 to 15 mph with gusts to 25 mph.
* Chc Wetting Rain...0%.
* Mixing Height......2400-3400 ft agl increasing to 8400-9400 ft
agl in the afternoon.
* Transport Winds....South 10 to 15 mph.
* Ventilation........Good increasing to excellent in the afternoon.
.MONDAY NIGHT...
* Sky/Weather........Clear. Patchy smoke in the evening. Areas of
smoke after midnight.
* Chance of Thunder..0%.
* Min Temperature....
* Valleys..........43-53.
* Mid Slope........46-56.
* Max Humidity.......
* Valleys..........50-60%.
* Mid Slope........34-44%.
* 20-Foot Winds......
* Valleys/Slope....Downslope 2 to 5 mph.
* Ridge Top........Southwest winds 10 to 15 mph.
* Chc Wetting Rain...5%.
* Mixing Height......5200-6200 ft agl decreasing to 600-1000 ft agl
after midnight.
* Transport Winds....Light winds.
* Ventilation........Excellent decreasing to marginal after
midnight.
.TUESDAY...
* Sky/Weather........Mostly cloudy. Areas of smoke in the morning.
Chance of showers. Slight chance of
thunderstorms in the afternoon.
* Chance of Thunder..20%.
* Max Temperature....
* Valleys..........72-82.
* Mid Slope........69-79.
* Min Humidity.......
* Valleys..........20-30%.
* Mid Slope........23-33%.
* 20-Foot Winds......
* Valleys/Slope....Upslope 4 to 8 mph becoming south 8 to 13 mph
with gusts to 20 mph in the afternoon.
* Ridge Top........South winds 10 to 20 mph. Gusts to 30 mph
increasing to 40 mph early in the afternoon.
* Chc Wetting Rain...25%.
* Mixing Height......600-1100 ft agl increasing to 5900-6900 ft agl
in the afternoon.
* Transport Winds....South 10 to 20 mph.
* 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 40-50. Southwest winds
6 to 11 mph in the evening becoming downslope 2 to 5 mph.
.WEDNESDAY...Clear. Highs 73-83. Lows 40-50. Slope winds.
.THURSDAY...Partly cloudy. Slight chance of thunderstorms. Highs
74-84. Lows 41-51. Slope winds.
.FRIDAY...Partly cloudy. Slight chance of thunderstorms. Highs
73-83. Lows 40-50. Slope winds.
.SATURDAY THROUGH SUNDAY...Partly cloudy. Highs 70-80. Lows 38-48.
$$
.8 to 14 day outlook for (Mon Sep 8 through Sun Sep 14)
Above normal temperatures and precipitation.
=
$$
http://weather.gov/reno