Routine Fire Wx Fcst (With/Without 6-10 Day Outlook)
Issued by NWS Reno, NV
Issued by NWS Reno, NV
754
FNUS55 KREV 241919
FWFREV
Fire Weather Planning Forecast
National Weather Service Reno NV
1219 PM PDT Sun Aug 24 2025
.DISCUSSION...
Monsoon moisture is producing widespread coverage of showers and
thunderstorms this afternoon, lasting through this evening. These storms
will have a risk of heavy rain, small hail, flash flooding potential
over burn scar areas, and gusty outflow winds. Nocturnal showers are
possible tonight across W Nevada. An active thunderstorm pattern
continues into 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
NVZ420-251415-
Northern Sierra Front including Carson City, Douglas, Storey,
Southern Washoe, Western Lyon, and Far Southern Lassen Counties-
1219 PM PDT Sun Aug 24 2025
.TONIGHT...
* Sky/Weather........Mostly cloudy then becoming clear. Chance of
showers and a slight chance of thunderstorms
in the evening.
* Chance of Thunder..20%.
* Min Temperature....
* Valleys..........53-63.
* Mid Slope........55-65.
* 24 hr trend......6 degrees cooler.
* Max Humidity.......
* Valleys..........68-78%.
* Mid Slope........54-64%.
* 24 hr trend......12% wetter.
* 20-Foot Winds......
* Valleys/Slope....Downslope 2 to 5 mph.
* Ridge Top........Light winds becoming southwest 10 to 15 mph.
Gusts to 20 mph in the evening.
* Chc Wetting Rain...10%.
* Mixing Height......2200-3200 ft agl decreasing to 600-900 ft agl
after midnight.
* Transport Winds....Northwest 10 to 15 mph in the evening becoming
light.
* Ventilation........Very good decreasing to marginal after
midnight.
.MONDAY...
* Sky/Weather........Sunny then becoming mostly cloudy. Chance of
thunderstorms in the afternoon.
* Chance of Thunder..40%.
* Max Temperature....
* Valleys..........80-90.
* Mid Slope........77-87.
* 24 hr trend......Little change.
* Min Humidity.......
* Valleys..........20-30%.
* Mid Slope........25-35%.
* 24 hr trend......Little change.
* 20-Foot Winds......
* Valleys/Slope....Upslope 4 to 8 mph becoming west 5 to 10 mph
late in the afternoon.
* Ridge Top........Light winds becoming west 10 to 15 mph in the
afternoon.
* Chc Wetting Rain...40%.
* Mixing Height......1500-2000 ft agl increasing to 6700-7700 ft
agl in the afternoon.
* Transport Winds....Light winds.
* Ventilation........Marginal increasing to excellent in the
afternoon.
.MONDAY NIGHT...
* Sky/Weather........Showers likely and a slight chance of
thunderstorms in the evening, then slight
chance of showers after midnight.
* Chance of Thunder..20%.
* Min Temperature....
* Valleys..........53-63.
* Mid Slope........56-66.
* Max Humidity.......
* Valleys..........67-77%.
* Mid Slope........54-64%.
* 20-Foot Winds......
* Valleys/Slope....West winds 5 to 10 mph in the evening becoming
downslope 2 to 5 mph.
* Ridge Top........West winds 10 to 15 mph. Gusts to 30 mph in the
evening.
* Chc Wetting Rain...25%.
* Mixing Height......2000-3000 ft agl decreasing to 600-1000 ft agl
after midnight.
* Transport Winds....Southwest 10 to 15 mph.
* Ventilation........Very good decreasing to marginal after
midnight.
.TUESDAY...
* Sky/Weather........Slight chance of showers in the morning, then
showers likely and a chance of thunderstorms
in the afternoon.
* Chance of Thunder..30%.
* Max Temperature....
* Valleys..........74-84.
* Mid Slope........71-81.
* Min Humidity.......
* Valleys..........25-35%.
* Mid Slope........31-41%.
* 20-Foot Winds......
* Valleys/Slope....Upslope 4 to 8 mph.
* Ridge Top........West winds 10 to 15 mph.
* Chc Wetting Rain...50%.
* Mixing Height......600-1000 ft agl increasing to 4600-5600 ft agl
in the afternoon.
* Transport Winds....Southwest 10 to 15 mph.
* Ventilation........Marginal increasing to excellent in the
afternoon.
.Extended...
.TUESDAY NIGHT...Mostly cloudy in the evening then becoming partly
cloudy. Chance of showers and a slight chance of thunderstorms in
the evening. Lows 50-60. West winds 8 to 13 mph in the evening
becoming downslope 2 to 5 mph.
.WEDNESDAY...Partly cloudy. Chance of showers and a slight chance of
thunderstorms. Highs 74-84. Lows 48-58. Slope winds.
.THURSDAY...Clear. Highs 76-86. Lows 47-57. Slope winds.
.FRIDAY...Clear. Highs 77-87. Lows 47-57. Slope winds.
.SATURDAY THROUGH SUNDAY...Clear. Highs 78-88. Lows 47-57.
$$
NVZ421-251415-
Southern Sierra Front including Alpine, Northern Mono, Southern
Lyon, and Western Mineral Counties-
1219 PM PDT Sun Aug 24 2025
.TONIGHT...
* Sky/Weather........Clear. Showers likely and a chance of
thunderstorms in the evening.
* Chance of Thunder..30%.
* Min Temperature....
* Valleys..........43-53.
* Mid Slope........56-66.
* 24 hr trend......4 degrees cooler.
* Max Humidity.......
* Valleys..........72-82%.
* Mid Slope........51-61%.
* 24 hr trend......Little change.
* 20-Foot Winds......
* Valleys/Slope....Downslope 2 to 5 mph.
* Ridge Top........West winds 10 to 15 mph.
* Chc Wetting Rain...25%.
* Mixing Height......1600-2100 ft agl decreasing to 600-900 ft agl
after midnight.
* Transport Winds....Light winds.
* Ventilation........Fair decreasing to marginal after midnight.
.MONDAY...
* Sky/Weather........Mostly sunny. Slight chance of showers in the
morning, then showers and a chance of
thunderstorms in the afternoon.
* Chance of Thunder..40%.
* Max Temperature....
* Valleys..........77-87.
* Mid Slope........70-80.
* 24 hr trend......Little change.
* Min Humidity.......
* Valleys..........23-33%.
* Mid Slope........28-38%.
* 24 hr trend......Little change.
* 20-Foot Winds......
* Valleys/Slope....Upslope 4 to 8 mph.
* Ridge Top........Light winds.
* Chc Wetting Rain...55%.
* Mixing Height......1900-2900 ft agl increasing to 5400-6400 ft
agl in the afternoon.
* Transport Winds....Light winds.
* Ventilation........Fair increasing to excellent in the afternoon.
.MONDAY NIGHT...
* Sky/Weather........Showers likely and a slight chance of
thunderstorms in the evening, then slight
chance of showers after midnight.
* Chance of Thunder..20%.
* Min Temperature....
* Valleys..........42-52.
* Mid Slope........55-65.
* Max Humidity.......
* Valleys..........72-82%.
* Mid Slope........51-61%.
* 20-Foot Winds......
* Valleys/Slope....Southwest winds 5 to 10 mph in the evening
becoming downslope 2 to 5 mph.
* Ridge Top........Light winds. Gusts to 25 mph in the evening.
* Chc Wetting Rain...30%.
* Mixing Height......1500-2000 ft agl decreasing to 600-1100 ft agl
after midnight.
* Transport Winds....Southwest 10 to 15 mph.
* Ventilation........Good decreasing to marginal after midnight.
.TUESDAY...
* Sky/Weather........Chance of showers in the morning, then showers
and a chance of thunderstorms in the
afternoon.
* Chance of Thunder..40%.
* Max Temperature....
* Valleys..........72-82.
* Mid Slope........65-75.
* Min Humidity.......
* Valleys..........26-36%.
* Mid Slope........30-40%.
* 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 late in
the afternoon.
* Chc Wetting Rain...55%.
* Mixing Height......600-1000 ft agl increasing to 3900-4900 ft agl
in the afternoon.
* Transport Winds....Light winds becoming west 10 to 15 mph in the
afternoon.
* Ventilation........Marginal increasing to very good in the
afternoon.
.Extended...
.TUESDAY NIGHT...Mostly cloudy in the evening then clearing. Chance
of showers and a slight chance of thunderstorms in the evening. Lows
39-49. West winds 5 to 10 mph in the evening becoming downslope 2 to
5 mph.
.WEDNESDAY...Partly cloudy. Chance of showers and a slight chance of
thunderstorms. Highs 73-83. Lows 38-48. Slope winds.
.THURSDAY...Mostly clear. Slight chance of showers. Highs 74-84. Lows
38-48. Slope winds.
.FRIDAY...Clear. Highs 75-85. Lows 39-49. Slope winds.
.SATURDAY...Clear. Highs 77-87. Lows 39-49.
.SUNDAY...Mostly sunny. Slight chance of showers. Highs 77-87.
$$
CAZ272-251415-
Greater Lake Tahoe and Truckee Area-
1219 PM PDT Sun Aug 24 2025
.TONIGHT...
* Sky/Weather........Mostly cloudy then becoming clear. Chance of
showers and a slight chance of thunderstorms
in the evening.
* Chance of Thunder..20%.
* Min Temperature....
* Valleys..........46-56.
* Mid Slope........49-59.
* 24 hr trend......4 degrees cooler.
* Max Humidity.......
* Valleys..........82-92%.
* Mid Slope........59-69%.
* 24 hr trend......11% wetter.
* 20-Foot Winds......
* Valleys/Slope....Downslope 2 to 5 mph.
* Ridge Top........West winds 10 to 15 mph in the evening, then
becoming south 10 to 15 mph after midnight.
* Chc Wetting Rain...20%.
* Mixing Height......1600-2600 ft agl decreasing to 600-800 ft agl
after midnight.
* Transport Winds....Light winds.
* Ventilation........Fair decreasing to poor after midnight.
.MONDAY...
* Sky/Weather........Sunny. Showers likely and a chance of
thunderstorms in the afternoon.
* Chance of Thunder..40%.
* Max Temperature....
* Valleys..........70-80.
* Mid Slope........69-79.
* 24 hr trend......Little change.
* Min Humidity.......
* Valleys..........37-47%.
* Mid Slope........38-48%.
* 24 hr trend......Little change.
* 20-Foot Winds......
* Valleys/Slope....Upslope 4 to 8 mph.
* Ridge Top........Light winds.
* Chc Wetting Rain...45%.
* Mixing Height......1600-2600 ft agl increasing to 4900-5900 ft
agl in the afternoon.
* Transport Winds....Light winds.
* Ventilation........Fair increasing to good in the afternoon.
.MONDAY NIGHT...
* Sky/Weather........Mostly cloudy. Slight chance of thunderstorms
in the evening. Chance of showers.
* Chance of Thunder..20%.
* Min Temperature....
* Valleys..........44-54.
* Mid Slope........48-58.
* Max Humidity.......
* Valleys..........84-94%.
* Mid Slope........62-72%.
* 20-Foot Winds......
* Valleys/Slope....Downslope 2 to 5 mph.
* Ridge Top........Light winds.
* Chc Wetting Rain...20%.
* Mixing Height......1500-2000 ft agl decreasing to 600-800 ft agl
after midnight.
* Transport Winds....Light winds.
* Ventilation........Fair decreasing to marginal after midnight.
.TUESDAY...
* Sky/Weather........Chance of showers in the morning, then showers
and a chance of thunderstorms in the
afternoon.
* Chance of Thunder..30%.
* Max Temperature....
* Valleys..........66-76.
* Mid Slope........63-73.
* Min Humidity.......
* Valleys..........40-50%.
* Mid Slope........41-51%.
* 20-Foot Winds......
* Valleys/Slope....Upslope 4 to 8 mph.
* Ridge Top........West winds 10 to 15 mph. Gusts to 25 mph in the
late morning and afternoon.
* Chc Wetting Rain...45%.
* Mixing Height......600-800 ft agl increasing to 4300-5300 ft agl
in the afternoon.
* Transport Winds....Southwest 10 to 15 mph.
* Ventilation........Marginal increasing to excellent in the
afternoon.
.Extended...
.TUESDAY NIGHT...Mostly cloudy in the evening then clearing. Chance
of showers and a slight chance of thunderstorms in the evening. Lows
43-53. Downslope 2 to 5 mph.
.WEDNESDAY...Partly cloudy. Chance of showers and a slight chance of
thunderstorms. Highs 66-76. Lows 41-51. Slope winds.
.THURSDAY THROUGH FRIDAY...Clear. Highs 68-78. Lows 40-50. Slope
winds.
.SATURDAY THROUGH SUNDAY...Clear. Highs 70-80. Lows 40-50.
$$
NVZ423-251415-
West Humboldt Basin in Pershing County-
1219 PM PDT Sun Aug 24 2025
.TONIGHT...
* Sky/Weather........Mostly cloudy. Chance of thunderstorms in the
evening, then slight chance of showers after
midnight.
* Chance of Thunder..30%.
* Min Temperature....
* Valleys..........59-68.
* Mid Slope........60-67.
* 24 hr trend......8 degrees cooler.
* Max Humidity.......
* Valleys..........61-71%.
* Mid Slope........50-60%.
* 24 hr trend......25% wetter.
* 20-Foot Winds......
* Valleys/Slope....Northwest winds 7 to 12 mph in the evening
becoming downslope 2 to 5 mph.
* Ridge Top........Southwest winds 10 to 15 mph in the evening
becoming light.
* Chc Wetting Rain...30%.
* Mixing Height......3600-4600 ft agl decreasing to 600-800 ft agl
after midnight.
* Transport Winds....West 10 to 15 mph in the evening becoming
light.
* Ventilation........Very good decreasing to marginal after
midnight.
.MONDAY...
* Sky/Weather........Partly cloudy then becoming mostly cloudy.
Chance of showers. Slight chance of
thunderstorms in the afternoon.
* Chance of Thunder..20%.
* Max Temperature....
* Valleys..........87-93.
* Mid Slope........81-91.
* 24 hr trend......Little change.
* Min Humidity.......
* Valleys..........22-30%.
* Mid Slope........24-32%.
* 24 hr trend......Little change.
* 20-Foot Winds......
* Valleys/Slope....Upslope 4 to 8 mph.
* Ridge Top........Light winds.
* Chc Wetting Rain...10%.
* Mixing Height......1600-2100 ft agl increasing to 7600-8600 ft
agl in the afternoon.
* Transport Winds....Light winds.
* Ventilation........Marginal increasing to very good in the
afternoon.
.MONDAY NIGHT...
* Sky/Weather........Showers likely and a slight chance of
thunderstorms in the evening, then slight
chance of showers after midnight.
* Chance of Thunder..20%.
* Min Temperature....
* Valleys..........58-68.
* Mid Slope........59-68.
* Max Humidity.......
* Valleys..........59-69%.
* Mid Slope........49-59%.
* 20-Foot Winds......
* Valleys/Slope....West winds 7 to 12 mph in the evening becoming
downslope 2 to 5 mph.
* Ridge Top........West winds 10 to 15 mph. Gusts to 25 mph in the
late evening and overnight.
* Chc Wetting Rain...30%.
* Mixing Height......4200-5200 ft agl decreasing to 700-1200 ft agl
after midnight.
* Transport Winds....West 10 to 15 mph.
* Ventilation........Excellent decreasing to fair after midnight.
.TUESDAY...
* Sky/Weather........Slight chance of showers in the morning, then
showers likely and a slight chance of
thunderstorms in the afternoon.
* Chance of Thunder..20%.
* Max Temperature....
* Valleys..........79-85.
* Mid Slope........74-84.
* Min Humidity.......
* Valleys..........28-38%.
* Mid Slope........29-39%.
* 20-Foot Winds......
* Valleys/Slope....Upslope 4 to 8 mph becoming southwest 5 to 10
mph late in the afternoon.
* Ridge Top........Southwest winds 10 to 15 mph. Gusts to 25 mph
late in the afternoon.
* Chc Wetting Rain...30%.
* Mixing Height......700-1200 ft agl increasing to 3400-4400 ft agl
in the afternoon.
* Transport Winds....Southwest 10 to 15 mph.
* Ventilation........Marginal increasing to good in the afternoon.
.Extended...
.TUESDAY NIGHT...Mostly cloudy. Slight chance of thunderstorms in
the evening. Chance of showers. Lows 55-65. West winds 8 to 13 mph
in the evening becoming downslope 2 to 5 mph.
.WEDNESDAY...Mostly cloudy. Chance of showers. Highs 80-86. Lows
53-63. Slope winds.
.THURSDAY...Mostly clear. Slight chance of showers. Highs 83-89. Lows
52-62. Slope winds.
.FRIDAY...Clear. Highs 84-90. Lows 52-62. Slope winds.
.SATURDAY THROUGH SUNDAY...Clear. Highs 85-92. Lows 53-63.
$$
NVZ429-251415-
Lahontan Basin including Churchill and Eastern Mineral Counties-
1219 PM PDT Sun Aug 24 2025
.TONIGHT...
* Sky/Weather........Mostly cloudy then becoming partly cloudy.
Chance of thunderstorms in the evening.
* Chance of Thunder..30%.
* Min Temperature....
* Valleys..........56-66.
* Mid Slope........58-68.
* 24 hr trend......5 degrees cooler.
* Max Humidity.......
* Valleys..........64-74%.
* Mid Slope........53-63%.
* 24 hr trend......18% wetter.
* 20-Foot Winds......
* Valleys/Slope....West winds 8 to 13 mph in the evening becoming
downslope 2 to 5 mph.
* Ridge Top........West winds 10 to 15 mph. Gusts to 25 mph in the
evening.
* Chc Wetting Rain...25%.
* Mixing Height......2700-3700 ft agl decreasing to 600-800 ft agl
after midnight.
* Transport Winds....Southwest 10 to 15 mph.
* Ventilation........Very good decreasing to marginal after
midnight.
.MONDAY...
* Sky/Weather........Sunny then becoming mostly cloudy. Chance of
thunderstorms in the afternoon.
* Chance of Thunder..30%.
* Max Temperature....
* Valleys..........83-93.
* Mid Slope........78-88.
* 24 hr trend......Little change.
* Min Humidity.......
* Valleys..........20-30%.
* Mid Slope........23-33%.
* 24 hr trend......Little change.
* 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.
* Chc Wetting Rain...20%.
* Mixing Height......1500-2000 ft agl increasing to 7700-8700 ft
agl in the afternoon.
* Transport Winds....Light winds.
* Ventilation........Marginal increasing to excellent in the
afternoon.
.MONDAY NIGHT...
* Sky/Weather........Showers likely and a chance of thunderstorms
in the evening, then slight chance of showers
after midnight.
* Chance of Thunder..30%.
* Min Temperature....
* Valleys..........57-67.
* Mid Slope........59-69.
* Max Humidity.......
* Valleys..........62-72%.
* Mid Slope........52-62%.
* 20-Foot Winds......
* Valleys/Slope....Southwest winds 8 to 13 mph with gusts to 20 mph
until early morning becoming downslope 2 to 5
mph.
* Ridge Top........Southwest winds 10 to 15 mph. Gusts to 25 mph
until early morning.
* Chc Wetting Rain...25%.
* Mixing Height......3100-4100 ft agl decreasing to 600-1100 ft agl
after midnight.
* Transport Winds....Southwest 10 to 20 mph.
* Ventilation........Excellent decreasing to fair after midnight.
.TUESDAY...
* Sky/Weather........Chance of showers in the morning, then showers
likely and a chance of thunderstorms in the
afternoon.
* Chance of Thunder..30%.
* Max Temperature....
* Valleys..........77-87.
* Mid Slope........72-82.
* Min Humidity.......
* Valleys..........25-35%.
* Mid Slope........28-38%.
* 20-Foot Winds......
* Valleys/Slope....Upslope 4 to 8 mph becoming southwest 7 to 12
mph in the afternoon.
* Ridge Top........Southwest winds 10 to 15 mph.
* Chc Wetting Rain...35%.
* Mixing Height......700-1200 ft agl increasing to 4600-5600 ft agl
in the afternoon.
* Transport Winds....Southwest 10 to 15 mph.
* Ventilation........Marginal increasing to very good 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 53-63. Southwest winds 9 to 14 mph.
.WEDNESDAY...Partly cloudy. Chance of showers and a slight chance of
thunderstorms. Highs 78-88. Lows 52-62. Slope winds.
.THURSDAY...Mostly clear. Slight chance of showers. Highs 80-90. Lows
51-61. Slope winds.
.FRIDAY...Clear. Highs 81-91. Lows 51-61. Slope winds.
.SATURDAY THROUGH SUNDAY...Clear. Highs 83-93. Lows 51-61.
$$
CAZ270-278-NVZ458-251415-
Surprise Valley California-Eastern Lassen County-
Northern Washoe County-
1219 PM PDT Sun Aug 24 2025
.TONIGHT...
* Sky/Weather........Mostly cloudy then becoming partly cloudy.
Chance of thunderstorms in the evening.
* Chance of Thunder..30%.
* Min Temperature....
* Valleys..........52-62.
* Mid Slope........53-63.
* 24 hr trend......8 degrees cooler.
* Max Humidity.......
* Valleys..........68-78%.
* Mid Slope........57-67%.
* 24 hr trend......17% wetter.
* 20-Foot Winds......
* Valleys/Slope....Northwest winds 5 to 10 mph in the evening
becoming downslope 2 to 5 mph.
* Ridge Top........Light winds.
* Chc Wetting Rain...20%.
* Mixing Height......2400-3400 ft agl decreasing to 600-700 ft agl
after midnight.
* Transport Winds....North 10 to 15 mph.
* Ventilation........Very good decreasing to marginal after
midnight.
.MONDAY...
* Sky/Weather........Sunny then becoming mostly cloudy. Chance of
thunderstorms in the afternoon.
* Chance of Thunder..30%.
* Max Temperature....
* Valleys..........82-92.
* Mid Slope........77-87.
* 24 hr trend......Little change.
* Min Humidity.......
* Valleys..........20-30%.
* Mid Slope........26-36%.
* 24 hr trend......Little change.
* 20-Foot Winds......
* Valleys/Slope....Upslope 4 to 8 mph becoming west 7 to 12 mph in
the afternoon.
* Ridge Top........Light winds.
* Chc Wetting Rain...20%.
* Mixing Height......1600-2100 ft agl increasing to 7400-8400 ft
agl in the afternoon.
* Transport Winds....Light winds.
* Ventilation........Fair increasing to excellent in the afternoon.
.MONDAY NIGHT...
* Sky/Weather........Mostly cloudy. Chance of showers and a slight
chance of thunderstorms in the evening.
* Chance of Thunder..20%.
* Min Temperature....
* Valleys..........51-61.
* Mid Slope........54-64.
* Max Humidity.......
* Valleys..........68-78%.
* Mid Slope........56-66%.
* 20-Foot Winds......
* Valleys/Slope....Northwest 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.
* Chc Wetting Rain...20%.
* Mixing Height......2900-3900 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.
.TUESDAY...
* Sky/Weather........Slight chance of showers in the morning, then
showers likely and a slight chance of
thunderstorms in the afternoon.
* Chance of Thunder..20%.
* Max Temperature....
* Valleys..........76-86.
* Mid Slope........72-80.
* Min Humidity.......
* Valleys..........25-35%.
* Mid Slope........31-41%.
* 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.
* Chc Wetting Rain...30%.
* Mixing Height......600-800 ft agl increasing to 5600-6600 ft agl
in the afternoon.
* Transport Winds....Light winds becoming west 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. Chance of showers. Lows 51-61. West winds 9 to 14 mph
in the evening becoming downslope 2 to 5 mph.
.WEDNESDAY...Mostly cloudy. Chance of showers and a slight chance of
thunderstorms. Highs 76-86. Lows 47-57. West winds 10 to 15 mph.
.THURSDAY...Partly cloudy. Slight chance of showers. Highs 78-88.
Lows 45-55. Slope winds.
.FRIDAY...Partly cloudy. Highs 78-88. Lows 44-54. Southwest winds
10 to 15 mph.
.SATURDAY THROUGH SUNDAY...Clear. Highs 80-90. Lows 44-54.
$$
CAZ271-251415-
Western Lassen, Eastern Plumas, and Eastern Sierra Counties-
1219 PM PDT Sun Aug 24 2025
.TONIGHT...
* Sky/Weather........Mostly cloudy then becoming clear. Chance of
showers and a slight chance of thunderstorms
in the evening.
* Chance of Thunder..20%.
* Min Temperature....
* Valleys..........44-54.
* Mid Slope........52-62.
* 24 hr trend......8 degrees cooler.
* Max Humidity.......
* Valleys..........74-84%.
* Mid Slope........61-71%.
* 24 hr trend......26% wetter.
* 20-Foot Winds......
* Valleys/Slope....Downslope 2 to 5 mph.
* Ridge Top........Light winds.
* Chc Wetting Rain...10%.
* Mixing Height......1600-2600 ft agl decreasing to 600-700 ft agl
after midnight.
* Transport Winds....Light winds.
* Ventilation........Good decreasing to poor after midnight.
.MONDAY...
* Sky/Weather........Sunny then becoming mostly cloudy. Chance of
thunderstorms in the afternoon.
* Chance of Thunder..40%.
* Max Temperature....
* Valleys..........80-90.
* Mid Slope........78-86.
* 24 hr trend......Little change.
* Min Humidity.......
* Valleys..........26-36%.
* Mid Slope........30-40%.
* 24 hr trend......Little change.
* 20-Foot Winds......
* Valleys/Slope....Upslope 4 to 8 mph.
* Ridge Top........Light winds becoming west 10 to 15 mph in the
afternoon.
* Chc Wetting Rain...35%.
* Mixing Height......1600-2100 ft agl increasing to 6700-7700 ft
agl in the afternoon.
* Transport Winds....Light winds.
* Ventilation........Fair increasing to excellent in the afternoon.
.MONDAY NIGHT...
* Sky/Weather........Mostly cloudy. Chance of showers and a slight
chance of thunderstorms in the evening.
* Chance of Thunder..20%.
* Min Temperature....
* Valleys..........43-53.
* Mid Slope........51-61.
* Max Humidity.......
* Valleys..........76-86%.
* Mid Slope........65-75%.
* 20-Foot Winds......
* Valleys/Slope....Downslope 2 to 5 mph.
* Ridge Top........West winds 10 to 15 mph.
* Chc Wetting Rain...15%.
* Mixing Height......1800-2800 ft agl decreasing to 600-700 ft agl
after midnight.
* Transport Winds....Northwest 10 to 15 mph in the evening becoming
light.
* Ventilation........Good decreasing to poor after midnight.
.TUESDAY...
* Sky/Weather........Slight chance of showers in the morning, then
showers likely and a chance of thunderstorms
in the afternoon.
* Chance of Thunder..30%.
* Max Temperature....
* Valleys..........74-84.
* Mid Slope........72-80.
* Min Humidity.......
* Valleys..........33-43%.
* Mid Slope........36-46%.
* 20-Foot Winds......
* Valleys/Slope....Upslope 4 to 8 mph.
* Ridge Top........West winds 10 to 15 mph.
* Chc Wetting Rain...35%.
* Mixing Height......600-700 ft agl increasing to 5900-6900 ft agl
in the afternoon.
* Transport Winds....Light winds becoming west 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. West winds 5 to 10 mph in the evening becoming
downslope 2 to 5 mph.
.WEDNESDAY...Partly cloudy. Chance of showers and a slight chance of
thunderstorms. Highs 73-83. Lows 38-48. Slope winds.
.THURSDAY THROUGH FRIDAY...Clear. Highs 74-84. Lows 36-46. Southwest
winds 8 to 13 mph.
.SATURDAY THROUGH SUNDAY...Clear. Highs 77-87. Lows 36-46.
$$
CAZ274-251415-
Southern Mono County-
1219 PM PDT Sun Aug 24 2025
.TONIGHT...
* Sky/Weather........Clear. Showers likely and a chance of
thunderstorms in the evening. Slight chance of
showers after midnight.
* Chance of Thunder..30%.
* Min Temperature....
* Valleys..........42-52.
* Mid Slope........46-56.
* 24 hr trend......4 degrees cooler.
* Max Humidity.......
* Valleys..........78-88%.
* Mid Slope........62-72%.
* 24 hr trend......4% wetter.
* 20-Foot Winds......
* Valleys/Slope....Downslope 2 to 5 mph.
* Ridge Top........Light winds.
* Chc Wetting Rain...30%.
* Mixing Height......2000-3000 ft agl decreasing to 600-1000 ft agl
after midnight.
* Transport Winds....Light winds.
* Ventilation........Good decreasing to marginal after midnight.
.MONDAY...
* Sky/Weather........Partly cloudy. Slight chance of showers in the
morning, then showers and a chance of
thunderstorms in the afternoon.
* Chance of Thunder..40%.
* Max Temperature....
* Valleys..........71-81.
* Mid Slope........67-77.
* 24 hr trend......Little change.
* Min Humidity.......
* Valleys..........26-36%.
* Mid Slope........31-41%.
* 24 hr trend......Little change.
* 20-Foot Winds......
* Valleys/Slope....Upslope 4 to 8 mph.
* Ridge Top........Light winds.
* Chc Wetting Rain...50%.
* Mixing Height......1900-2900 ft agl increasing to 5200-6200 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.
.MONDAY NIGHT...
* Sky/Weather........Showers likely and a slight chance of
thunderstorms in the evening, then chance of
showers after midnight.
* Chance of Thunder..20%.
* Min Temperature....
* Valleys..........42-52.
* Mid Slope........45-55.
* Max Humidity.......
* Valleys..........77-87%.
* Mid Slope........58-68%.
* 20-Foot Winds......
* Valleys/Slope....Northwest winds 5 to 10 mph in the evening
becoming downslope 2 to 5 mph.
* Ridge Top........West winds 10 to 15 mph.
* 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 marginal after midnight.
.TUESDAY...
* Sky/Weather........Chance of showers in the morning, then showers
and a chance of thunderstorms in the
afternoon.
* Chance of Thunder..40%.
* Max Temperature....
* Valleys..........67-77.
* Mid Slope........64-74.
* Min Humidity.......
* Valleys..........25-35%.
* Mid Slope........31-41%.
* 20-Foot Winds......
* Valleys/Slope....Upslope 4 to 8 mph. Gusts to 20 mph late in the
afternoon.
* Ridge Top........Light winds.
* Chc Wetting Rain...50%.
* Mixing Height......700-1200 ft agl increasing to 4100-5100 ft agl
in the afternoon.
* Transport Winds....Light winds.
* Ventilation........Marginal increasing to very good in the
afternoon.
.Extended...
.TUESDAY NIGHT...Mostly cloudy in the evening then clearing. Showers
likely and a slight chance of thunderstorms in the evening, then
slight chance of showers after midnight. Lows 39-49. West winds 5 to
10 mph in the evening becoming downslope 2 to 5 mph.
.WEDNESDAY...Mostly cloudy. Chance of showers and a slight chance of
thunderstorms. Highs 69-79. Lows 38-48. Slope winds.
.THURSDAY...Partly cloudy. Slight chance of showers. Highs 69-79.
Lows 38-48. Slope winds.
.FRIDAY...Clear. Highs 71-81. Lows 38-48. Slope winds.
.SATURDAY THROUGH SUNDAY...Clear. Highs 73-83. Lows 39-49.
$$
.8 to 14 day outlook for (Mon Sep 1 through Sun Sep 7)
Above normal temperatures and precipitation.
=
$$
http://weather.gov/reno