Routine Fire Wx Fcst (With/Without 6-10 Day Outlook)
Issued by NWS Reno, NV
Issued by NWS Reno, NV
678
FNUS55 KREV 302028
FWFREV
Fire Weather Planning Forecast
National Weather Service Reno NV
128 PM PDT Tue Sep 30 2025
.DISCUSSION...
Low pressure system continues to bring brief periods of showers and
isolated thunderstorms through Friday, along with gusty winds and
mild temperatures. Although, winds slowly decrease through the rest
of the week. Drier weather likely returns this weekend, but another
low pressure system may increase shower and storm chances Sunday into
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
NVZ420-011600-
Northern Sierra Front including Carson City, Douglas, Storey,
Southern Washoe, Western Lyon, and Far Southern Lassen Counties-
128 PM PDT Tue Sep 30 2025
.TONIGHT...
* Sky/Weather........Partly cloudy then becoming clear. Slight
chance of showers in the evening.
* Chance of Thunder..0%.
* Min Temperature....
* Valleys..........37-47.
* Mid Slope........40-49.
* 24 hr trend......Little change.
* Max Humidity.......
* Valleys..........74-84%.
* Mid Slope........56-66%.
* 24 hr trend......Little change.
* 20-Foot Winds......
* Valleys/Slope....Southwest winds 12 to 20 mph with gusts to 30
mph becoming downslope 2 to 5 mph.
* Ridge Top........Southwest winds 15 to 25 mph with gusts to 35
mph.
* Chc Wetting Rain...5%.
* Mixing Height......2100-3100 ft agl decreasing to 600-900 ft agl
after midnight.
* Transport Winds....Southwest 15 to 25 mph decreasing to 10 to 15
mph after midnight.
* Ventilation........Excellent decreasing to marginal after
midnight.
.WEDNESDAY...
* Sky/Weather........Sunny then becoming partly cloudy.
* Chance of Thunder..0%.
* Max Temperature....
* Valleys..........65-75.
* Mid Slope........61-71.
* 24 hr trend......Little change.
* Min Humidity.......
* Valleys..........30-40%.
* Mid Slope........33-43%.
* 24 hr trend......Little change.
* 20-Foot Winds......
* Valleys/Slope....Upslope 4 to 8 mph becoming south 9 to 16 mph
with gusts to 25 mph in the late morning and
afternoon.
* Ridge Top........Southwest winds 10 to 20 mph with gusts to 35
mph.
* Chc Wetting Rain...5%.
* Mixing Height......1700-2200 ft agl increasing to 4000-5000 ft
agl in the afternoon.
* Transport Winds....Southwest 10 to 15 mph increasing to 15 to 25
mph in the afternoon.
* Ventilation........Good increasing to excellent in the afternoon.
.WEDNESDAY NIGHT...
* Sky/Weather........Partly cloudy. Slight chance of showers.
* Chance of Thunder..0%.
* Min Temperature....
* Valleys..........40-50.
* Mid Slope........42-51.
* Max Humidity.......
* Valleys..........79-89%.
* Mid Slope........64-74%.
* 20-Foot Winds......
* Valleys/Slope....Southwest winds 10 to 17 mph with gusts to 25
mph becoming downslope 2 to 5 mph.
* Ridge Top........West winds 10 to 15 mph with gusts to 35 mph.
* Chc Wetting Rain...10%.
* Mixing Height......2000-3000 ft agl decreasing to 600-900 ft agl
after midnight.
* Transport Winds....Southwest 15 to 25 mph in the evening becoming
light.
* Ventilation........Excellent decreasing to marginal after
midnight.
.THURSDAY...
* Sky/Weather........Mostly cloudy. Chance of showers.
* Chance of Thunder..0%.
* Max Temperature....
* Valleys..........61-71.
* Mid Slope........60-70.
* Min Humidity.......
* Valleys..........28-38%.
* Mid Slope........33-43%.
* 20-Foot Winds......
* Valleys/Slope....Upslope 4 to 8 mph becoming southwest 8 to 13
mph with gusts to 20 mph in the afternoon.
* Ridge Top........Southwest winds 10 to 20 mph with gusts to 35
mph.
* Chc Wetting Rain...10%.
* Mixing Height......600-900 ft agl increasing to 3900-4900 ft agl
in the afternoon.
* Transport Winds....Southwest 10 to 15 mph.
* Ventilation........Marginal increasing to excellent in the
afternoon.
.Extended...
.THURSDAY NIGHT...Mostly cloudy. Chance of showers and a slight
chance of thunderstorms. Lows 36-46. West winds 9 to 14 mph.
.FRIDAY...Mostly cloudy. Chance of showers and a slight chance of
thunderstorms. Highs 55-65. Lows 32-42. Northwest winds 10 to
15 mph.
.SATURDAY...Clear. Highs 57-67. Lows 31-41. Slope winds.
.SUNDAY...Partly cloudy. Highs 57-67. Lows 31-41. Slope winds.
.MONDAY THROUGH TUESDAY...Partly cloudy. Highs 60-70. Lows 33-43.
$$
NVZ421-011600-
Southern Sierra Front including Alpine, Northern Mono, Southern
Lyon, and Western Mineral Counties-
128 PM PDT Tue Sep 30 2025
.TONIGHT...
* Sky/Weather........Partly cloudy then becoming clear.
* Chance of Thunder..0%.
* Min Temperature....
* Valleys..........31-41.
* Mid Slope........41-51.
* 24 hr trend......Little change.
* Max Humidity.......
* Valleys..........68-78%.
* Mid Slope........49-59%.
* 24 hr trend......9% drier.
* 20-Foot Winds......
* Valleys/Slope....Southwest winds 9 to 17 mph with gusts to 30 mph
until early morning becoming downslope 2 to 5
mph.
* Ridge Top........Southwest winds 20 to 30 mph decreasing to 10 to
20 mph after midnight. Gusts to 45 mph.
* Chc Wetting Rain...5%.
* Mixing Height......1700-2700 ft agl decreasing to 600-900 ft agl
after midnight.
* Transport Winds....Southwest 15 to 25 mph in the evening becoming
light.
* Ventilation........Excellent decreasing to marginal after
midnight.
.WEDNESDAY...
* Sky/Weather........Sunny.
* Chance of Thunder..0%.
* Max Temperature....
* Valleys..........65-75.
* Mid Slope........58-68.
* 24 hr trend......Little change.
* Min Humidity.......
* Valleys..........24-34%.
* Mid Slope........24-34%.
* 24 hr trend......Little change.
* 20-Foot Winds......
* Valleys/Slope....Upslope 4 to 8 mph becoming southwest 9 to 14
mph with gusts to 25 mph in the afternoon.
* Ridge Top........Southwest winds 10 to 20 mph with gusts to 40
mph.
* Chc Wetting Rain...5%.
* Mixing Height......1600-2100 ft agl increasing to 4400-5400 ft
agl in the afternoon.
* Transport Winds....Southwest 10 to 15 mph increasing to 15 to 25
mph in the afternoon.
* Ventilation........Good increasing to excellent in the afternoon.
.WEDNESDAY NIGHT...
* Sky/Weather........Mostly clear. Slight chance of showers.
* Chance of Thunder..0%.
* Min Temperature....
* Valleys..........32-42.
* Mid Slope........42-52.
* Max Humidity.......
* Valleys..........74-84%.
* Mid Slope........57-67%.
* 20-Foot Winds......
* Valleys/Slope....Southwest winds 9 to 14 mph with gusts to 25 mph
until early morning becoming downslope 2 to 5
mph.
* Ridge Top........Southwest winds 15 to 25 mph with gusts to 45
mph.
* Chc Wetting Rain...5%.
* Mixing Height......2200-3200 ft agl decreasing to 600-900 ft agl
after midnight.
* Transport Winds....Southwest 10 to 15 mph.
* Ventilation........Very good decreasing to marginal after
midnight.
.THURSDAY...
* Sky/Weather........Partly cloudy. Chance of showers. Slight
chance of thunderstorms in the afternoon.
* Chance of Thunder..20%.
* Max Temperature....
* Valleys..........64-74.
* Mid Slope........58-68.
* Min Humidity.......
* Valleys..........27-37%.
* Mid Slope........26-36%.
* 20-Foot Winds......
* Valleys/Slope....Upslope 4 to 8 mph becoming southwest 9 to 14
mph in the afternoon.
* Ridge Top........Southwest winds 10 to 20 mph with gusts to 45
mph.
* Chc Wetting Rain...5%.
* Mixing Height......600-1000 ft agl increasing to 4500-5500 ft agl
in the afternoon.
* Transport Winds....Light winds becoming southwest 15 to 20 mph in
the afternoon.
* Ventilation........Fair increasing to excellent in the afternoon.
.Extended...
.THURSDAY NIGHT...Mostly cloudy. Chance of showers and a slight
chance of thunderstorms. Lows 30-40. West winds 9 to 14 mph in the
evening becoming downslope 2 to 5 mph.
.FRIDAY...Mostly cloudy. Chance of showers and a slight chance of
thunderstorms. Highs 52-62. Lows 25-35. Northwest winds 10 to
15 mph.
.SATURDAY...Clear. Highs 57-67. Lows 25-35. Slope winds.
.SUNDAY...Partly cloudy. Highs 57-67. Lows 26-36. Slope winds.
.MONDAY...Partly cloudy. Highs 58-68. Lows 27-37.
.TUESDAY...Partly cloudy. Slight chance of showers. Highs 58-68.
$$
CAZ272-011600-
Greater Lake Tahoe and Truckee Area-
128 PM PDT Tue Sep 30 2025
.TONIGHT...
* Sky/Weather........Partly cloudy. Chance of showers.
* Chance of Thunder..0%.
* Min Temperature....
* Valleys..........33-43.
* Mid Slope........35-45.
* 24 hr trend......Little change.
* Max Humidity.......
* Valleys..........85-95%.
* Mid Slope........75-85%.
* 24 hr trend......Little change.
* 20-Foot Winds......
* Valleys/Slope....Southwest winds 12 to 18 mph with gusts to 30
mph decreasing to 9 to 14 mph in the late
evening and overnight.
* Ridge Top........Southwest winds 15 to 25 mph with gusts to 45
mph.
* Chc Wetting Rain...15%.
* Mixing Height......1700-2200 ft agl decreasing to 600-900 ft agl
after midnight.
* Transport Winds....Southwest 20 to 30 mph.
* Ventilation........Excellent decreasing to fair after midnight.
.WEDNESDAY...
* Sky/Weather........Partly cloudy then becoming mostly cloudy.
Slight chance of showers.
* Chance of Thunder..0%.
* Max Temperature....
* Valleys..........56-62.
* Mid Slope........49-59.
* 24 hr trend......4 degrees warmer.
* Min Humidity.......
* Valleys..........55-65%.
* Mid Slope........53-63%.
* 24 hr trend......Little change.
* 20-Foot Winds......
* Valleys/Slope....Southwest winds 7 to 12 mph increasing to 10 to
17 mph late in the afternoon.
* Ridge Top........Southwest winds 20 to 30 mph with gusts to 45
mph.
* Chc Wetting Rain...15%.
* Mixing Height......1300-1800 ft agl increasing to 1800-2800 ft
agl in the afternoon.
* Transport Winds....Southwest 20 to 30 mph.
* Ventilation........Good increasing to very good in the afternoon.
.WEDNESDAY NIGHT...
* Sky/Weather........Mostly cloudy. Chance of showers.
* Chance of Thunder..0%.
* Min Temperature....
* Valleys..........34-44.
* Mid Slope........38-48.
* Max Humidity.......
* Valleys..........92-100%.
* Mid Slope........79-89%.
* 20-Foot Winds......
* Valleys/Slope....Southwest winds 10 to 15 mph decreasing to 8 to
13 mph in the late evening and overnight.
* Ridge Top........Southwest winds 15 to 25 mph with gusts to 50
mph.
* Chc Wetting Rain...25%.
* Mixing Height......1400-1900 ft agl decreasing to 600-900 ft agl
after midnight.
* Transport Winds....Southwest 15 to 25 mph.
* Ventilation........Very good decreasing to fair after midnight.
.THURSDAY...
* Sky/Weather........Mostly cloudy. Chance of showers. Slight
chance of thunderstorms in the afternoon.
* Chance of Thunder..10%.
* Max Temperature....
* Valleys..........54-62.
* Mid Slope........49-59.
* Min Humidity.......
* Valleys..........49-59%.
* Mid Slope........48-58%.
* 20-Foot Winds......
* Valleys/Slope....Upslope 4 to 8 mph becoming southwest 5 to 10
mph late in the afternoon.
* Ridge Top........Southwest winds 20 to 30 mph with gusts to 50
mph.
* Chc Wetting Rain...25%.
* Mixing Height......600-1000 ft agl increasing to 2100-3100 ft agl
in the afternoon.
* Transport Winds....Southwest 10 to 15 mph increasing to 15 to 25
mph in the afternoon.
* Ventilation........Fair increasing to very good in the afternoon.
.Extended...
.THURSDAY NIGHT...Mostly cloudy. Slight chance of thunderstorms in
the evening. Chance of showers. Lows 29-39. Southwest winds 5 to
10 mph in the evening becoming downslope 2 to 5 mph.
.FRIDAY...Mostly cloudy. Chance of showers and a slight chance of
thunderstorms. Highs 48-57. Lows 27-37. Slope winds.
.SATURDAY...Clear. Highs 53-63. Lows 26-36. Slope winds.
.SUNDAY...Partly cloudy. Highs 52-62. Lows 26-36. Slope winds.
.MONDAY THROUGH TUESDAY...Partly cloudy. Highs 54-64. Lows 27-37.
$$
NVZ423-011600-
West Humboldt Basin in Pershing County-
128 PM PDT Tue Sep 30 2025
.TONIGHT...
* Sky/Weather........Mostly cloudy then becoming partly cloudy.
* Chance of Thunder..0%.
* Min Temperature....
* Valleys..........42-51.
* Mid Slope........43-52.
* 24 hr trend......Little change.
* Max Humidity.......
* Valleys..........66-76%.
* Mid Slope........51-61%.
* 24 hr trend......11% drier.
* 20-Foot Winds......
* Valleys/Slope....West winds 9 to 17 mph with gusts to 30 mph in
the evening becoming downslope 2 to 5 mph.
* Ridge Top........Southwest winds 10 to 15 mph with gusts to 35
mph.
* Chc Wetting Rain...5%.
* Mixing Height......3000-4000 ft agl decreasing to 600-800 ft agl
after midnight.
* Transport Winds....Southwest 15 to 25 mph in the evening becoming
light.
* Ventilation........Excellent decreasing to marginal after
midnight.
.WEDNESDAY...
* Sky/Weather........Partly cloudy then becoming sunny.
* Chance of Thunder..0%.
* Max Temperature....
* Valleys..........69-75.
* Mid Slope........64-74.
* 24 hr trend......Little change.
* Min Humidity.......
* Valleys..........24-34%.
* Mid Slope........28-38%.
* 24 hr trend......Little change.
* 20-Foot Winds......
* Valleys/Slope....Upslope 4 to 8 mph becoming south 9 to 14 mph in
the afternoon.
* Ridge Top........Southwest winds 10 to 15 mph with gusts to 35
mph.
* Chc Wetting Rain...5%.
* Mixing Height......1300-1800 ft agl increasing to 5000-6000 ft
agl in the afternoon.
* Transport Winds....Light winds becoming southwest 15 to 25 mph in
the afternoon.
* Ventilation........Fair increasing to excellent in the afternoon.
.WEDNESDAY NIGHT...
* Sky/Weather........Partly cloudy. Slight chance of showers.
* Chance of Thunder..0%.
* Min Temperature....
* Valleys..........42-52.
* Mid Slope........43-53.
* Max Humidity.......
* Valleys..........71-81%.
* Mid Slope........53-63%.
* 20-Foot Winds......
* Valleys/Slope....West winds 9 to 14 mph in the evening becoming
downslope 2 to 5 mph.
* Ridge Top........Northwest winds 10 to 15 mph with gusts to 30
mph.
* Chc Wetting Rain...5%.
* Mixing Height......2400-3400 ft agl decreasing to 600-800 ft agl
after midnight.
* Transport Winds....West 10 to 15 mph.
* Ventilation........Very good decreasing to marginal after
midnight.
.THURSDAY...
* Sky/Weather........Partly cloudy then becoming mostly cloudy.
Slight chance of showers in the morning, then
slight chance of thunderstorms in the
afternoon.
* Chance of Thunder..20%.
* Max Temperature....
* Valleys..........67-75.
* Mid Slope........62-72.
* Min Humidity.......
* Valleys..........31-41%.
* Mid Slope........34-44%.
* 20-Foot Winds......
* Valleys/Slope....Upslope 4 to 8 mph.
* Ridge Top........Northwest winds 10 to 15 mph shifting to the
southwest. Gusts to 30 mph.
* Chc Wetting Rain...15%.
* Mixing Height......600-700 ft agl increasing to 3400-4400 ft agl
in the afternoon.
* Transport Winds....Light winds becoming southwest 10 to 15 mph in
the afternoon.
* Ventilation........Poor increasing to very good in the afternoon.
.Extended...
.THURSDAY NIGHT...Cloudy. Chance of showers and a slight chance of
thunderstorms. Lows 42-52. Northwest winds 7 to 12 mph.
.FRIDAY...Mostly cloudy. Chance of showers and a slight chance of
thunderstorms. Highs 57-67. Lows 34-44. Slope winds.
.SATURDAY...Clear. Highs 61-69. Lows 33-43. Slope winds.
.SUNDAY...Partly cloudy. Highs 61-69. Lows 33-43. Slope winds.
.MONDAY THROUGH TUESDAY...Partly cloudy. Highs 64-72. Lows 33-43.
$$
NVZ429-011600-
Lahontan Basin including Churchill and Eastern Mineral Counties-
128 PM PDT Tue Sep 30 2025
.TONIGHT...
* Sky/Weather........Mostly cloudy then becoming partly cloudy.
* Chance of Thunder..0%.
* Min Temperature....
* Valleys..........42-52.
* Mid Slope........43-53.
* 24 hr trend......Little change.
* Max Humidity.......
* Valleys..........63-73%.
* Mid Slope........52-62%.
* 24 hr trend......12% drier.
* 20-Foot Winds......
* Valleys/Slope....West winds 9 to 16 mph with gusts to 30 mph
becoming downslope 2 to 5 mph.
* Ridge Top........West winds 10 to 15 mph with gusts to 25 mph.
* Chc Wetting Rain...5%.
* Mixing Height......2800-3800 ft agl decreasing to 600-800 ft agl
after midnight.
* Transport Winds....West 10 to 20 mph in the evening becoming
light.
* Ventilation........Excellent decreasing to marginal after
midnight.
.WEDNESDAY...
* Sky/Weather........Sunny.
* Chance of Thunder..0%.
* Max Temperature....
* Valleys..........69-79.
* Mid Slope........65-75.
* 24 hr trend......Little change.
* Min Humidity.......
* Valleys..........22-32%.
* Mid Slope........25-34%.
* 24 hr trend......Little change.
* 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.
* Chc Wetting Rain...0%.
* Mixing Height......1000-1500 ft agl increasing to 5100-6100 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.
.WEDNESDAY NIGHT...
* Sky/Weather........Partly cloudy.
* Chance of Thunder..0%.
* Min Temperature....
* Valleys..........44-54.
* Mid Slope........45-55.
* Max Humidity.......
* Valleys..........69-79%.
* Mid Slope........53-63%.
* 20-Foot Winds......
* Valleys/Slope....West winds 9 to 14 mph in the evening becoming
downslope 2 to 5 mph.
* Ridge Top........West winds 10 to 15 mph. Gusts to 25 mph after
midnight.
* Chc Wetting Rain...5%.
* Mixing Height......2700-3700 ft agl decreasing to 600-800 ft agl
after midnight.
* Transport Winds....West 10 to 15 mph.
* Ventilation........Very good decreasing to marginal after
midnight.
.THURSDAY...
* Sky/Weather........Partly cloudy. Slight chance of showers in the
afternoon.
* Chance of Thunder..0%.
* Max Temperature....
* Valleys..........68-78.
* Mid Slope........64-74.
* Min Humidity.......
* Valleys..........26-36%.
* Mid Slope........28-38%.
* 20-Foot Winds......
* Valleys/Slope....Upslope 4 to 8 mph.
* Ridge Top........Southwest winds 10 to 15 mph.
* Chc Wetting Rain...5%.
* Mixing Height......600-700 ft agl increasing to 4300-5300 ft agl
in the afternoon.
* Transport Winds....Light winds.
* Ventilation........Poor increasing to very good in the afternoon.
.Extended...
.THURSDAY NIGHT...Mostly cloudy. Chance of thunderstorms. Chance of
showers after midnight. Lows 43-53. Northwest winds 8 to 13 mph.
.FRIDAY...Mostly cloudy. Chance of showers and a slight chance of
thunderstorms. Highs 55-65. Lows 36-46. Northwest winds 10 to
15 mph.
.SATURDAY...Clear. Highs 59-69. Lows 35-45. Northwest winds 10 to
15 mph.
.SUNDAY...Partly cloudy. Highs 60-70. Lows 35-45. Slope winds.
.MONDAY THROUGH TUESDAY...Partly cloudy. Highs 62-72. Lows 36-46.
$$
CAZ270-278-NVZ458-011600-
Surprise Valley California-Eastern Lassen County-
Northern Washoe County-
128 PM PDT Tue Sep 30 2025
.TONIGHT...
* Sky/Weather........Mostly cloudy then becoming partly cloudy.
Slight chance of showers in the evening.
* Chance of Thunder..0%.
* Min Temperature....
* Valleys..........36-46.
* Mid Slope........36-46.
* 24 hr trend......Little change.
* Max Humidity.......
* Valleys..........81-91%.
* Mid Slope........74-84%.
* 24 hr trend......Little change.
* 20-Foot Winds......
* Valleys/Slope....Southwest winds 15 to 25 mph with gusts to 35
mph decreasing to 8 to 13 mph with gusts to 25
mph.
* Ridge Top........Southwest winds 10 to 20 mph with gusts to 40
mph.
* Chc Wetting Rain...5%.
* Mixing Height......2200-3200 ft agl decreasing to 600-900 ft agl
after midnight.
* Transport Winds....Southwest 20 to 30 mph decreasing to 15 to 20
mph after midnight.
* Ventilation........Excellent decreasing to fair after midnight.
.WEDNESDAY...
* Sky/Weather........Mostly cloudy. Slight chance of showers.
* Chance of Thunder..0%.
* Max Temperature....
* Valleys..........60-70.
* Mid Slope........56-64.
* 24 hr trend......Little change.
* Min Humidity.......
* Valleys..........38-48%.
* Mid Slope........43-53%.
* 24 hr trend......Little change.
* 20-Foot Winds......
* Valleys/Slope....South winds 9 to 17 mph with gusts to 30 mph.
* Ridge Top........Southwest winds 10 to 20 mph with gusts to 45
mph.
* Chc Wetting Rain...5%.
* Mixing Height......1400-1900 ft agl increasing to 4000-5000 ft
agl in the afternoon.
* Transport Winds....Southwest 15 to 20 mph increasing to 20 to 30
mph in the afternoon.
* Ventilation........Very good increasing to excellent in the
afternoon.
.WEDNESDAY NIGHT...
* Sky/Weather........Partly cloudy. Slight chance of showers.
* Chance of Thunder..0%.
* Min Temperature....
* Valleys..........32-42.
* Mid Slope........38-48.
* Max Humidity.......
* Valleys..........81-91%.
* Mid Slope........74-84%.
* 20-Foot Winds......
* Valleys/Slope....Southwest winds 10 to 17 mph with gusts to 30
mph becoming downslope 2 to 5 mph.
* Ridge Top........Southwest winds 10 to 15 mph with gusts to 35
mph.
* Chc Wetting Rain...5%.
* Mixing Height......2100-3100 ft agl decreasing to 600-800 ft agl
after midnight.
* Transport Winds....Southwest 15 to 25 mph decreasing to 10 to 15
mph after midnight.
* Ventilation........Excellent decreasing to marginal after
midnight.
.THURSDAY...
* Sky/Weather........Mostly cloudy. Slight chance of showers.
* Chance of Thunder..0%.
* Max Temperature....
* Valleys..........60-70.
* Mid Slope........56-64.
* Min Humidity.......
* Valleys..........29-39%.
* Mid Slope........32-42%.
* 20-Foot Winds......
* Valleys/Slope....Upslope 4 to 8 mph becoming southwest 8 to 13
mph with gusts to 20 mph in the afternoon.
* Ridge Top........Southwest winds 10 to 20 mph with gusts to 35
mph.
* Chc Wetting Rain...5%.
* Mixing Height......600-900 ft agl increasing to 4100-5100 ft agl
in the afternoon.
* Transport Winds....Southwest 10 to 15 mph.
* Ventilation........Marginal increasing to excellent in the
afternoon.
.Extended...
.THURSDAY NIGHT...Mostly cloudy. Slight chance of showers. Lows
31-41. West winds 9 to 14 mph.
.FRIDAY...Partly cloudy. Slight chance of showers. Highs 57-67. Lows
27-37. North winds around 10 mph.
.SATURDAY...Clear. Highs 59-69. Lows 26-36. Slope winds.
.SUNDAY...Partly cloudy. Highs 58-68. Lows 26-36. Slope winds.
.MONDAY...Partly cloudy. Highs 59-69. Lows 26-36.
.TUESDAY...Sunny. Highs 64-74.
$$
CAZ271-011600-
Western Lassen, Eastern Plumas, and Eastern Sierra Counties-
128 PM PDT Tue Sep 30 2025
.TONIGHT...
* Sky/Weather........Mostly cloudy. Chance of showers.
* Chance of Thunder..0%.
* Min Temperature....
* Valleys..........32-42.
* Mid Slope........36-46.
* 24 hr trend......Little change.
* Max Humidity.......
* Valleys..........87-97%.
* Mid Slope........84-94%.
* 24 hr trend......Little change.
* 20-Foot Winds......
* Valleys/Slope....Southwest winds 12 to 18 mph with gusts to 30
mph decreasing to 9 to 14 mph in the late
evening and overnight.
* Ridge Top........Southwest winds 10 to 20 mph with gusts to 40
mph.
* Chc Wetting Rain...15%.
* Mixing Height......1700-2700 ft agl decreasing to 600-1000 ft agl
after midnight.
* Transport Winds....Southwest 20 to 30 mph.
* Ventilation........Excellent decreasing to fair after midnight.
.WEDNESDAY...
* Sky/Weather........Mostly cloudy. Chance of showers.
* Chance of Thunder..0%.
* Max Temperature....
* Valleys..........54-64.
* Mid Slope........51-61.
* 24 hr trend......Little change.
* Min Humidity.......
* Valleys..........51-61%.
* Mid Slope........53-63%.
* 24 hr trend......7% wetter.
* 20-Foot Winds......
* Valleys/Slope....Southwest winds 9 to 15 mph. Gusts to 25 mph in
the late morning and afternoon.
* Ridge Top........Southwest winds 10 to 20 mph with gusts to 40
mph.
* Chc Wetting Rain...15%.
* Mixing Height......1300-1800 ft agl increasing to 2500-3500 ft
agl in the afternoon.
* Transport Winds....Southwest 15 to 25 mph.
* Ventilation........Good increasing to excellent in the afternoon.
.WEDNESDAY NIGHT...
* Sky/Weather........Mostly cloudy. Chance of showers.
* Chance of Thunder..0%.
* Min Temperature....
* Valleys..........31-41.
* Mid Slope........37-47.
* Max Humidity.......
* Valleys..........89-99%.
* Mid Slope........87-97%.
* 20-Foot Winds......
* Valleys/Slope....Southwest winds 9 to 14 mph in the evening
becoming downslope 2 to 5 mph.
* Ridge Top........Southwest winds 15 to 20 mph with gusts to 40
mph.
* Chc Wetting Rain...15%.
* Mixing Height......1500-2500 ft agl decreasing to 600-700 ft agl
after midnight.
* Transport Winds....Southwest 15 to 25 mph decreasing to 10 to 15
mph after midnight.
* Ventilation........Very good decreasing to marginal after
midnight.
.THURSDAY...
* Sky/Weather........Mostly cloudy. Chance of showers.
* Chance of Thunder..0%.
* Max Temperature....
* Valleys..........55-65.
* Mid Slope........53-63.
* Min Humidity.......
* Valleys..........39-49%.
* Mid Slope........38-48%.
* 20-Foot Winds......
* Valleys/Slope....Upslope 4 to 8 mph becoming southwest 8 to 13
mph with gusts to 20 mph in the afternoon.
* Ridge Top........Southwest winds 10 to 20 mph with gusts to 40
mph.
* Chc Wetting Rain...10%.
* Mixing Height......600-1000 ft agl increasing to 3700-4700 ft agl
in the afternoon.
* Transport Winds....Southwest 10 to 20 mph.
* Ventilation........Marginal increasing to excellent in the
afternoon.
.Extended...
.THURSDAY NIGHT...Mostly cloudy in the evening then becoming partly
cloudy. Slight chance of showers. Lows 27-37. West winds 5 to 10 mph
in the evening becoming downslope 2 to 5 mph.
.FRIDAY...Partly cloudy. Slight chance of thunderstorms. Highs
55-65. Lows 23-33. Slope winds.
.SATURDAY THROUGH SUNDAY...Clear. Highs 59-69. Lows 23-33. Slope
winds.
.MONDAY...Partly cloudy. Highs 59-69. Lows 24-34.
.TUESDAY...Sunny. Highs 62-72.
$$
CAZ274-011600-
Southern Mono County-
128 PM PDT Tue Sep 30 2025
.TONIGHT...
* Sky/Weather........Clear.
* Chance of Thunder..0%.
* Min Temperature....
* Valleys..........30-40.
* Mid Slope........33-43.
* 24 hr trend......Little change.
* Max Humidity.......
* Valleys..........68-78%.
* Mid Slope........50-60%.
* 24 hr trend......14% drier.
* 20-Foot Winds......
* Valleys/Slope....Southwest winds 9 to 15 mph until early morning
becoming downslope 2 to 5 mph.
* Ridge Top........Southwest winds 10 to 15 mph with gusts to 30
mph.
* Chc Wetting Rain...0%.
* 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.
.WEDNESDAY...
* Sky/Weather........Sunny.
* Chance of Thunder..0%.
* Max Temperature....
* Valleys..........63-73.
* Mid Slope........59-69.
* 24 hr trend......5 degrees warmer.
* Min Humidity.......
* Valleys..........22-32%.
* Mid Slope........24-34%.
* 24 hr trend......4% drier.
* 20-Foot Winds......
* Valleys/Slope....Upslope 4 to 8 mph becoming southwest 9 to 14
mph late in the afternoon.
* Ridge Top........Southwest winds 10 to 15 mph with gusts to 25
mph.
* Chc Wetting Rain...0%.
* Mixing Height......1500-2000 ft agl increasing to 4100-5100 ft
agl in the afternoon.
* Transport Winds....Southwest 10 to 15 mph.
* Ventilation........Good increasing to excellent in the afternoon.
.WEDNESDAY NIGHT...
* Sky/Weather........Clear.
* Chance of Thunder..0%.
* Min Temperature....
* Valleys..........32-42.
* Mid Slope........33-43.
* Max Humidity.......
* Valleys..........80-90%.
* Mid Slope........64-74%.
* 20-Foot Winds......
* Valleys/Slope....Southwest winds 9 to 14 mph.
* Ridge Top........Southwest winds 10 to 15 mph with gusts to 25
mph.
* Chc Wetting Rain...5%.
* Mixing Height......2600-3600 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.
.THURSDAY...
* Sky/Weather........Mostly sunny. Slight chance of showers in the
afternoon.
* Chance of Thunder..0%.
* Max Temperature....
* Valleys..........62-72.
* Mid Slope........58-68.
* Min Humidity.......
* Valleys..........23-33%.
* Mid Slope........26-36%.
* 20-Foot Winds......
* Valleys/Slope....Upslope 4 to 8 mph becoming southwest 9 to 14
mph in the late morning and afternoon.
* Ridge Top........Southwest winds 10 to 15 mph with gusts to 30
mph.
* Chc Wetting Rain...5%.
* Mixing Height......600-1000 ft agl increasing to 3900-4900 ft agl
in the afternoon.
* Transport Winds....Southwest 10 to 15 mph.
* Ventilation........Marginal increasing to excellent in the
afternoon.
.Extended...
.THURSDAY NIGHT...Partly cloudy in the evening then becoming mostly
cloudy. Slight chance of thunderstorms. Chance of showers after
midnight. Lows 30-40. Southwest winds 9 to 14 mph until early
morning becoming downslope 2 to 5 mph.
.FRIDAY...Mostly cloudy. Chance of showers and a slight chance of
thunderstorms. Highs 50-60. Lows 25-35. Northwest winds 10 to
15 mph.
.SATURDAY...Clear. Highs 55-65. Lows 25-35. Slope winds.
.SUNDAY...Partly cloudy. Highs 56-66. Lows 26-36. Slope winds.
.MONDAY THROUGH TUESDAY...Partly cloudy. Highs 55-65. Lows 25-35.
$$
.8 to 14 day outlook for (Wed Oct 8 through Tue Oct 14)
Below normal temperatures and Above normal precipitation.
=
$$
http://weather.gov/reno