Routine Fire Wx Fcst (With/Without 6-10 Day Outlook)
Issued by NWS Reno, NV
Issued by NWS Reno, NV
052
FNUS55 KREV 251946
FWFREV
Fire Weather Planning Forecast
National Weather Service Reno NV
1246 PM PDT Fri Sep 25 2026
...RED FLAG WARNING IN EFFECT UNTIL 10 PM PDT THIS EVENING...
.DISCUSSION...
W/SW wind gusts up to 45 mph will bring widespread critical fire
weather conditions today. Winds will shift N/NE late this evening
as the dry cold front passes through. Wind gusts each afternoon
this weekend will be breezy (up to 35 mph) with dry conditions.
Cooler temperatures for early next week with increasing chances
(20-40%) for light rain showers south of I-80 late Sunday night
into Monday and light snow possible for elevations over 9000 ft.
Predominant wind direction Monday will be northerly.
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
NVZ420-261430-
Northern Sierra Front including Carson City, Douglas, Storey,
Southern Washoe, Western Lyon, and Far Southern Lassen Counties-
1246 PM PDT Fri Sep 25 2026
...RED FLAG WARNING IN EFFECT UNTIL 10 PM PDT THIS EVENING...
.TONIGHT...
* Sky/Weather........Partly cloudy. Areas of blowing dust in the
evening.
* Chance of Thunder..0%.
* Chc Wetting Rain...0%.
* Min Temperature....
* Valleys..........40-50.
* Mid Slope........43-52.
* 24 hr trend......7 degrees cooler.
* Max Humidity.......
* Valleys..........51-61%.
* Mid Slope........42-52%.
* 24 hr trend......11% wetter.
* 20-Foot Winds......
* Valleys/Slope....Southwest winds 13 to 20 mph with gusts to 35
mph becoming downslope 2 to 5 mph.
* Ridge Top........West winds 10 to 15 mph with gusts to 35 mph.
* Mixing Height......3100-4100 ft agl in the evening then 200-500
ft agl.
* Transport Winds....Southwest 15 to 25 mph in the evening becoming
light.
* Ventilation........Excellent decreasing to poor after midnight.
.SATURDAY...
* Sky/Weather........Partly cloudy.
* Chance of Thunder..0%.
* Chc Wetting Rain...0%.
* Max Temperature....
* Valleys..........72-82.
* Mid Slope........69-79.
* 24 hr trend......Little change.
* Min Humidity.......
* Valleys..........14-24%.
* Mid Slope........18-28%.
* 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 afternoon.
* Ridge Top........South winds 10 to 20 mph with gusts to 30 mph.
* Mixing Height......1400-1900 ft agl increasing to 5600-6600 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.
.SATURDAY NIGHT...
* Sky/Weather........Mostly cloudy.
* Chance of Thunder..0%.
* Chc Wetting Rain...0%.
* Min Temperature....
* Valleys..........44-54.
* Mid Slope........48-55.
* Max Humidity.......
* Valleys..........41-51%.
* Mid Slope........34-44%.
* 20-Foot Winds......
* Valleys/Slope....West winds 9 to 15 mph with gusts to 25 mph in
the evening becoming downslope 2 to 5 mph.
* Ridge Top........Southwest winds 10 to 15 mph with gusts to 35
mph.
* Mixing Height......3400-4400 ft agl in the evening then 200-500
ft agl.
* Transport Winds....Southwest 10 to 15 mph.
* Ventilation........Excellent decreasing to poor after midnight.
.SUNDAY...
* Sky/Weather........Cloudy.
* Chance of Thunder..0%.
* Chc Wetting Rain...0%.
* Max Temperature....
* Valleys..........67-77.
* Mid Slope........63-73.
* Min Humidity.......
* Valleys..........16-26%.
* Mid Slope........21-31%.
* 20-Foot Winds......
* Valleys/Slope....Upslope 4 to 8 mph becoming southwest 8 to 13
mph with gusts to 25 mph late in the
afternoon.
* Ridge Top........Southwest winds 10 to 15 mph with gusts to 30
mph.
* Mixing Height......200-500 ft agl then 6300-7300 ft agl in the
afternoon.
* Transport Winds....South 10 to 20 mph.
* Ventilation........Poor increasing to excellent in the afternoon.
.Extended...
.SUNDAY NIGHT...Mostly cloudy. Chance of showers after midnight.
Lows 38-48. West winds 9 to 14 mph in the evening becoming downslope
2 to 5 mph.
.MONDAY...Clear. Highs 66-76. Lows 37-47. Northwest winds 10 to
15 mph.
.TUESDAY...Clear. Highs 69-79. Lows 37-47. Slope winds.
.WEDNESDAY...Clear. Highs 74-84. Lows 40-50. Slope winds.
.THURSDAY...Clear. Highs 74-84. Lows 40-50.
.FRIDAY...Sunny. Highs 68-78.
$$
NVZ421-261430-
Southern Sierra Front including Alpine, Northern Mono, Southern
Lyon, and Western Mineral Counties-
1246 PM PDT Fri Sep 25 2026
...RED FLAG WARNING IN EFFECT UNTIL 10 PM PDT THIS EVENING...
.TONIGHT...
* Sky/Weather........Partly cloudy then becoming clear. Patchy
smoke.
* Chance of Thunder..0%.
* Chc Wetting Rain...0%.
* Min Temperature....
* Valleys..........35-45.
* Mid Slope........45-55.
* 24 hr trend......6 degrees cooler.
* Max Humidity.......
* Valleys..........48-58%.
* Mid Slope........35-45%.
* 24 hr trend......Little change.
* 20-Foot Winds......
* Valleys/Slope....Southwest winds 13 to 20 mph with gusts to 30
mph becoming downslope 2 to 5 mph.
* Ridge Top........Southwest winds 20 to 30 mph with gusts to 45
mph.
* Mixing Height......2800-3800 ft agl decreasing to 600 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.
.SATURDAY...
* Sky/Weather........Sunny then becoming partly cloudy.
* Chance of Thunder..0%.
* Chc Wetting Rain...0%.
* Max Temperature....
* Valleys..........71-81.
* Mid Slope........64-74.
* 24 hr trend......Little change.
* Min Humidity.......
* Valleys..........12-22%.
* Mid Slope........13-23%.
* 24 hr trend......4% drier.
* 20-Foot Winds......
* Valleys/Slope....Upslope 4 to 8 mph becoming southwest 9 to 16
mph with gusts to 30 mph in the late morning
and afternoon.
* Ridge Top........Southwest winds 10 to 20 mph with gusts to 40
mph.
* Mixing Height......1600-2100 ft agl increasing to 6400-7400 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.
.SATURDAY NIGHT...
* Sky/Weather........Mostly cloudy. Patchy smoke.
* Chance of Thunder..0%.
* Chc Wetting Rain...0%.
* Min Temperature....
* Valleys..........35-45.
* Mid Slope........46-56.
* Max Humidity.......
* Valleys..........46-56%.
* Mid Slope........32-42%.
* 20-Foot Winds......
* Valleys/Slope....Southwest winds 9 to 17 mph with gusts to 30
mph.
* Ridge Top........Southwest winds 10 to 20 mph increasing to 20 to
30 mph after midnight. Gusts to 45 mph
increasing to 50 mph after midnight.
* Mixing Height......3300-4300 ft agl decreasing to 600 ft agl
after midnight.
* Transport Winds....Southwest 10 to 20 mph.
* Ventilation........Excellent decreasing to marginal after
midnight.
.SUNDAY...
* Sky/Weather........Mostly cloudy.
* Chance of Thunder..0%.
* Chc Wetting Rain...0%.
* Max Temperature....
* Valleys..........66-76.
* Mid Slope........60-70.
* Min Humidity.......
* Valleys..........13-23%.
* Mid Slope........13-23%.
* 20-Foot Winds......
* Valleys/Slope....Upslope 4 to 8 mph becoming southwest 9 to
14 mph with gusts to 30 mph late in the afternoon.
* Ridge Top........Southwest winds 20 to 30 mph. Gusts to 50 mph
decreasing to 40 mph in the afternoon.
* Mixing Height......600-800 ft agl increasing to 7200-8200 ft agl
in the afternoon.
* Transport Winds....Southwest 10 to 20 mph.
* Ventilation........Marginal increasing to excellent in the
afternoon.
.Extended...
.SUNDAY NIGHT...Mostly cloudy. Chance of showers after midnight.
Lows 29-39. West winds 9 to 15 mph in the evening becoming downslope
2 to 5 mph.
.MONDAY...Partly cloudy. Chance of showers. Highs 60-70. Lows 28-38.
Northwest winds 10 to 15 mph.
.TUESDAY...Clear. Highs 67-77. Lows 28-38. Slope winds.
.WEDNESDAY...Clear. Highs 74-84. Lows 33-43. Slope winds.
.THURSDAY THROUGH FRIDAY...Clear. Highs 72-82. Lows 34-44.
$$
CAZ272-261430-
Greater Lake Tahoe and Truckee Area-
1246 PM PDT Fri Sep 25 2026
.TONIGHT...
* Sky/Weather........Partly cloudy.
* Chance of Thunder..0%.
* Chc Wetting Rain...0%.
* Min Temperature....
* Valleys..........37-47.
* Mid Slope........39-49.
* 24 hr trend......Little change.
* Max Humidity.......
* Valleys..........66-76%.
* Mid Slope........54-64%.
* 24 hr trend......4% wetter.
* 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 20 mph with gusts to 35
mph increasing to 20 to 30 mph with gusts to
45 mph after midnight.
* Mixing Height......2200-3200 ft agl decreasing to 600 ft agl
after midnight.
* Transport Winds....Southwest 20 to 30 mph decreasing to 10 to 15
mph after midnight.
* Ventilation........Excellent decreasing to marginal after
midnight.
.SATURDAY...
* Sky/Weather........Partly cloudy.
* Chance of Thunder..0%.
* Chc Wetting Rain...0%.
* Max Temperature....
* Valleys..........63-70.
* Mid Slope........58-68.
* 24 hr trend......Little change.
* Min Humidity.......
* Valleys..........28-38%.
* Mid Slope........28-38%.
* 24 hr trend......4% drier.
* 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 15 to 25 mph with gusts to 45
mph.
* Mixing Height......1600-2600 ft agl increasing to 5000-6000 ft
agl in the afternoon.
* Transport Winds....Southwest 20 to 30 mph.
* Ventilation........Very good increasing to excellent in the
afternoon.
.SATURDAY NIGHT...
* Sky/Weather........Mostly cloudy.
* Chance of Thunder..0%.
* Chc Wetting Rain...0%.
* Min Temperature....
* Valleys..........39-49.
* Mid Slope........40-50.
* Max Humidity.......
* Valleys..........57-67%.
* Mid Slope........43-53%.
* 20-Foot Winds......
* Valleys/Slope....Southwest winds 9 to 14 mph with gusts to 30
mph.
* Ridge Top........Southwest winds 15 to 25 mph. Gusts to 35 mph
increasing to 50 mph in the late evening and
overnight.
* Mixing Height......2300-3300 ft agl decreasing to 600 ft agl
after midnight.
* Transport Winds....Southwest 20 to 30 mph decreasing to 10 to 15
mph after midnight.
* Ventilation........Excellent decreasing to marginal after
midnight.
.SUNDAY...
* Sky/Weather........Mostly cloudy.
* Chance of Thunder..0%.
* Chc Wetting Rain...0%.
* Max Temperature....
* Valleys..........59-65.
* Mid Slope........53-63.
* Min Humidity.......
* Valleys..........34-44%.
* Mid Slope........34-44%.
* 20-Foot Winds......
* Valleys/Slope....Upslope 4 to 8 mph becoming southwest 9 to 14
mph in the afternoon.
* Ridge Top........Southwest winds 15 to 25 mph. Gusts to 50 mph
decreasing to 35 mph late in the afternoon.
* Mixing Height......600-1100 ft agl increasing to 6300-7300 ft agl
in the afternoon.
* Transport Winds....South 10 to 15 mph increasing to southwest 20
to 30 mph in the afternoon.
* Ventilation........Marginal increasing to excellent in the
afternoon.
.Extended...
.SUNDAY NIGHT...Mostly cloudy. Slight chance of showers after
midnight. Lows 29-39. Southwest winds 5 to 10 mph in the evening
becoming downslope 2 to 5 mph.
.MONDAY...Partly cloudy. Chance of showers. Highs 58-66. Lows 29-39. Slope
winds.
.TUESDAY...Clear. Highs 64-73. Lows 33-43. Slope winds.
.WEDNESDAY...Clear. Highs 68-78. Lows 36-46. Slope winds.
.THURSDAY THROUGH FRIDAY...Clear. Highs 64-74. Lows 34-44.
$$
NVZ423-261430-
West Humboldt Basin in Pershing County-
1246 PM PDT Fri Sep 25 2026
...RED FLAG WARNING IN EFFECT UNTIL 10 PM PDT THIS EVENING...
.TONIGHT...
* Sky/Weather........Clear. Areas of blowing dust in the evening.
* Chance of Thunder..0%.
* Chc Wetting Rain...0%.
* Min Temperature....
* Valleys..........38-48.
* Mid Slope........43-53.
* 24 hr trend......7 degrees cooler.
* Max Humidity.......
* Valleys..........39-49%.
* Mid Slope........30-40%.
* 24 hr trend......7% wetter.
* 20-Foot Winds......
* Valleys/Slope....West winds 16 to 25 mph with gusts to 35 mph
becoming downslope 2 to 5 mph.
* Ridge Top........Northwest winds 10 to 15 mph.
* Mixing Height......4200-5200 ft agl in the evening then 200-500
ft agl.
* Transport Winds....West 15 to 25 mph shifting to the north 10 to
15 mph after midnight.
* Ventilation........Excellent decreasing to poor after midnight.
.SATURDAY...
* Sky/Weather........Partly cloudy.
* Chance of Thunder..0%.
* Chc Wetting Rain...0%.
* Max Temperature....
* Valleys..........75-83.
* Mid Slope........70-80.
* 24 hr trend......4 degrees cooler.
* Min Humidity.......
* Valleys..........14-24%.
* Mid Slope........16-24%.
* 24 hr trend......Little change.
* 20-Foot Winds......
* Valleys/Slope....North winds 7 to 12 mph in the morning becoming
upslope 4 to 8 mph.
* Ridge Top........Southwest winds 10 to 15 mph with gusts to 35
mph.
* Mixing Height......1000-1500 ft agl increasing to 4900-5900 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.
.SATURDAY NIGHT...
* Sky/Weather........Mostly cloudy then becoming partly cloudy.
* Chance of Thunder..0%.
* Chc Wetting Rain...0%.
* Min Temperature....
* Valleys..........45-55.
* Mid Slope........47-57.
* Max Humidity.......
* Valleys..........36-46%.
* Mid Slope........30-40%.
* 20-Foot Winds......
* Valleys/Slope....Downslope 2 to 5 mph.
* Ridge Top........Northwest winds 10 to 15 mph with gusts to 25
mph.
* Mixing Height......3500-4500 ft agl in the evening then 200-500
ft agl.
* Transport Winds....West 10 to 15 mph.
* Ventilation........Excellent decreasing to poor after midnight.
.SUNDAY...
* Sky/Weather........Mostly cloudy.
* Chance of Thunder..0%.
* Chc Wetting Rain...0%.
* Max Temperature....
* Valleys..........73-81.
* Mid Slope........68-78.
* Min Humidity.......
* Valleys..........16-26%.
* Mid Slope........18-26%.
* 20-Foot Winds......
* Valleys/Slope....Upslope 4 to 8 mph.
* Ridge Top........North winds 10 to 15 mph.
* Mixing Height......200-500 ft agl then 5800-6800 ft agl in the
afternoon.
* Transport Winds....Light winds becoming southwest 10 to 15 mph in
the afternoon.
* Ventilation........Poor increasing to excellent in the afternoon.
.Extended...
.SUNDAY NIGHT...Mostly cloudy. Chance of showers. Lows 41-51.
Northwest winds 9 to 15 mph.
.MONDAY...Clear. Highs 71-79. Lows 38-48. North winds 10 to 15 mph.
.TUESDAY...Clear. Highs 74-82. Lows 38-48. Slope winds.
.WEDNESDAY...Clear. Highs 78-84. Lows 40-50. Slope winds.
.THURSDAY...Clear. Highs 79-85. Lows 40-50.
.FRIDAY...Sunny. Highs 71-79.
$$
NVZ429-261430-
Lahontan Basin including Churchill and Eastern Mineral Counties-
1246 PM PDT Fri Sep 25 2026
...RED FLAG WARNING IN EFFECT UNTIL 10 PM PDT THIS EVENING...
.TONIGHT...
* Sky/Weather........Clear. Areas of blowing dust in the evening.
* Chance of Thunder..0%.
* Chc Wetting Rain...0%.
* Min Temperature....
* Valleys..........40-50.
* Mid Slope........45-55.
* 24 hr trend......6 degrees cooler.
* Max Humidity.......
* Valleys..........52-62%.
* Mid Slope........38-48%.
* 24 hr trend......11% wetter.
* 20-Foot Winds......
* Valleys/Slope....West winds 15 to 25 mph with gusts to 40 mph
becoming downslope 2 to 5 mph.
* Ridge Top........West winds 10 to 15 mph. Gusts to 35 mph in the
evening.
* Mixing Height......4400-5400 ft agl in the evening then 200-500
ft agl.
* Transport Winds....Northwest 10 to 15 mph.
* Ventilation........Excellent decreasing to poor after midnight.
.SATURDAY...
* Sky/Weather........Sunny.
* Chance of Thunder..0%.
* Chc Wetting Rain...0%.
* Max Temperature....
* Valleys..........75-85.
* Mid Slope........72-82.
* 24 hr trend......Little change.
* Min Humidity.......
* Valleys..........11-21%.
* Mid Slope........12-21%.
* 24 hr trend......Little change.
* 20-Foot Winds......
* Valleys/Slope....Upslope 4 to 8 mph.
* Ridge Top........Southwest winds 10 to 15 mph.
* Mixing Height......1200-1700 ft agl increasing to 6000-7000 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.
.SATURDAY NIGHT...
* Sky/Weather........Partly cloudy.
* Chance of Thunder..0%.
* Chc Wetting Rain...0%.
* Min Temperature....
* Valleys..........43-53.
* Mid Slope........47-57.
* Max Humidity.......
* Valleys..........45-55%.
* Mid Slope........33-43%.
* 20-Foot Winds......
* Valleys/Slope....West winds 7 to 12 mph with gusts to 20 mph in
the evening becoming downslope 2 to 5 mph.
* Ridge Top........Southwest winds 10 to 15 mph with gusts to 25
mph.
* Mixing Height......3900-4900 ft agl in the evening then 200-500
ft agl.
* Transport Winds....West 10 to 15 mph.
* Ventilation........Excellent decreasing to poor after midnight.
.SUNDAY...
* Sky/Weather........Partly cloudy then becoming mostly cloudy.
* Chance of Thunder..0%.
* Chc Wetting Rain...0%.
* Max Temperature....
* Valleys..........72-82.
* Mid Slope........69-79.
* Min Humidity.......
* Valleys..........12-22%.
* Mid Slope........13-23%.
* 20-Foot Winds......
* Valleys/Slope....Upslope 4 to 8 mph.
* Ridge Top........Southwest winds 10 to 15 mph. Gusts to 20 mph in
the morning.
* Mixing Height......200-500 ft agl then 5800-6800 ft agl in the
afternoon.
* Transport Winds....Light winds becoming southwest 10 to 15 mph in
the afternoon.
* Ventilation........Poor increasing to excellent in the afternoon.
.Extended...
.SUNDAY NIGHT...Mostly cloudy. Chance of showers after midnight.
Lows 39-49. Northwest winds 9 to 15 mph.
.MONDAY...Partly cloudy. Slight chance of showers. Highs 67-77. Lows
37-47. Northwest winds 10 to 15 mph.
.TUESDAY...Clear. Highs 71-81. Lows 37-47. Northwest winds 10 to
15 mph.
.WEDNESDAY...Clear. Highs 76-85. Lows 37-47. Slope winds.
.THURSDAY...Clear. Highs 77-87. Lows 39-49.
.FRIDAY...Sunny. Highs 72-82.
$$
CAZ270-278-NVZ458-261430-
Surprise Valley California-Eastern Lassen County-
Northern Washoe County-
1246 PM PDT Fri Sep 25 2026
.TONIGHT...
* Sky/Weather........Clear then becoming mostly cloudy.
* Chance of Thunder..0%.
* Chc Wetting Rain...0%.
* Min Temperature....
* Valleys..........31-41.
* Mid Slope........37-47.
* 24 hr trend......9 degrees cooler.
* Max Humidity.......
* Valleys..........53-63%.
* Mid Slope........38-48%.
* 24 hr trend......9% wetter.
* 20-Foot Winds......
* Valleys/Slope....West winds 13 to 20 mph with gusts to 35 mph
becoming downslope 2 to 5 mph.
* Ridge Top........North winds 10 to 15 mph. Gusts to 35 mph
decreasing to 25 mph in the late evening and
overnight.
* Mixing Height......3500-4500 ft agl in the evening then 200-500
ft agl.
* Transport Winds....North 10 to 20 mph.
* Ventilation........Excellent decreasing to poor after midnight.
.SATURDAY...
* Sky/Weather........Cloudy.
* Chance of Thunder..0%.
* Chc Wetting Rain...0%.
* Max Temperature....
* Valleys..........68-78.
* Mid Slope........64-72.
* 24 hr trend......Little change.
* Min Humidity.......
* Valleys..........17-27%.
* Mid Slope........22-30%.
* 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 afternoon.
* Ridge Top........South winds 10 to 15 mph with gusts to 30 mph.
* Mixing Height......1000-1500 ft agl increasing to 4900-5900 ft
agl in the afternoon.
* Transport Winds....Light winds becoming south 15 to 25 mph in the
afternoon.
* Ventilation........Fair increasing to excellent in the afternoon.
.SATURDAY NIGHT...
* Sky/Weather........Cloudy.
* Chance of Thunder..0%.
* Chc Wetting Rain...0%.
* Min Temperature....
* Valleys..........39-49.
* Mid Slope........44-54.
* Max Humidity.......
* Valleys..........45-55%.
* Mid Slope........38-48%.
* 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........Southwest winds 10 to 20 mph with gusts to 35
mph.
* Mixing Height......3000-4000 ft agl decreasing to 800-1300 ft agl
after midnight.
* Transport Winds....Southwest 10 to 15 mph.
* Ventilation........Excellent decreasing to fair after midnight.
.SUNDAY...
* Sky/Weather........Cloudy.
* Chance of Thunder..0%.
* Chc Wetting Rain...5%.
* Max Temperature....
* Valleys..........66-76.
* Mid Slope........62-70.
* Min Humidity.......
* Valleys..........19-29%.
* Mid Slope........24-32%.
* 20-Foot Winds......
* Valleys/Slope....Upslope 4 to 8 mph becoming southwest 9 to 15
mph with gusts to 25 mph.
* Ridge Top........South winds 10 to 20 mph with gusts to 30 mph.
* Mixing Height......600-1000 ft agl increasing to 6300-7300 ft agl
in the afternoon.
* Transport Winds....Light winds becoming southwest 15 to 25 mph in
the afternoon.
* Ventilation........Marginal increasing to excellent in the
afternoon.
.Extended...
.SUNDAY NIGHT...Mostly cloudy in the evening then becoming partly
cloudy. Lows 31-41. West winds 9 to 14 mph in the evening becoming
downslope 2 to 5 mph.
.MONDAY...Clear. Highs 68-78. Lows 31-41. North winds 10 to 15 mph.
.TUESDAY THROUGH WEDNESDAY...Clear. Highs 73-83. Lows 33-43. Slope
winds.
.THURSDAY...Partly cloudy. Highs 73-83. Lows 33-43.
.FRIDAY...Sunny. Highs 66-76.
$$
CAZ271-261430-
Western Lassen, Eastern Plumas, and Eastern Sierra Counties-
1246 PM PDT Fri Sep 25 2026
.TONIGHT...
* Sky/Weather........Clear then becoming partly cloudy.
* Chance of Thunder..0%.
* Chc Wetting Rain...0%.
* Min Temperature....
* Valleys..........28-38.
* Mid Slope........37-47.
* 24 hr trend......8 degrees cooler.
* Max Humidity.......
* Valleys..........69-79%.
* Mid Slope........51-61%.
* 24 hr trend......15% wetter.
* 20-Foot Winds......
* Valleys/Slope....West winds 8 to 13 mph in the evening becoming
downslope 2 to 5 mph.
* Ridge Top........Southwest winds 10 to 20 mph with gusts to 35
mph.
* Mixing Height......2800-3800 ft agl in the evening then 200-500
ft agl.
* Transport Winds....West 10 to 15 mph in the evening becoming
light.
* Ventilation........Excellent decreasing to poor after midnight.
.SATURDAY...
* Sky/Weather........Mostly cloudy.
* Chance of Thunder..0%.
* Chc Wetting Rain...0%.
* Max Temperature....
* Valleys..........65-75.
* Mid Slope........62-72.
* 24 hr trend......Little change.
* Min Humidity.......
* Valleys..........22-32%.
* Mid Slope........22-32%.
* 24 hr trend......Little change.
* 20-Foot Winds......
* Valleys/Slope....Upslope 4 to 8 mph becoming southwest 8 to 13
mph with gusts to 25 mph in the afternoon.
* Ridge Top........Southwest winds 10 to 20 mph with gusts to 35
mph.
* Mixing Height......1500-2000 ft agl increasing to 5500-6500 ft
agl in the afternoon.
* Transport Winds....Southeast 10 to 15 mph increasing to southwest
20 to 30 mph in the afternoon.
* Ventilation........Good increasing to excellent in the afternoon.
.SATURDAY NIGHT...
* Sky/Weather........Cloudy.
* Chance of Thunder..0%.
* Chc Wetting Rain...0%.
* Min Temperature....
* Valleys..........33-43.
* Mid Slope........43-53.
* Max Humidity.......
* Valleys..........60-70%.
* Mid Slope........45-55%.
* 20-Foot Winds......
* Valleys/Slope....Southwest winds 7 to 12 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 40 mph.
* Mixing Height......2600-3600 ft agl in the evening then 200-500
ft agl.
* Transport Winds....Southwest 10 to 15 mph.
* Ventilation........Excellent decreasing to marginal after
midnight.
.SUNDAY...
* Sky/Weather........Mostly cloudy.
* Chance of Thunder..0%.
* Chc Wetting Rain...0%.
* Max Temperature....
* Valleys..........62-72.
* Mid Slope........59-67.
* Min Humidity.......
* Valleys..........23-33%.
* Mid Slope........22-32%.
* 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........South winds 10 to 20 mph with gusts to 40 mph.
* Mixing Height......200-500 ft agl then 5900-6900 ft agl in the
afternoon.
* Transport Winds....Light winds becoming southwest 15 to 25 mph in
the afternoon.
* Ventilation........Poor increasing to excellent in the afternoon.
.Extended...
.SUNDAY NIGHT...Mostly cloudy in the evening then becoming partly
cloudy. Lows 27-37. Southwest winds 7 to 12 mph in the evening
becoming downslope 2 to 5 mph.
.MONDAY...Clear. Highs 65-75. Lows 27-37. Slope winds.
.TUESDAY...Clear. Highs 70-80. Lows 29-39. Slope winds.
.WEDNESDAY...Clear. Highs 73-83. Lows 32-42. Slope winds.
.THURSDAY THROUGH FRIDAY...Clear. Highs 68-78. Lows 30-40.
$$
CAZ274-261430-
Southern Mono County-
1246 PM PDT Fri Sep 25 2026
.TONIGHT...
* Sky/Weather........Clear. Areas of smoke in the evening.
* Chance of Thunder..0%.
* Chc Wetting Rain...0%.
* Min Temperature....
* Valleys..........34-44.
* Mid Slope........37-47.
* 24 hr trend......5 degrees cooler.
* Max Humidity.......
* Valleys..........55-65%.
* Mid Slope........39-49%.
* 24 hr trend......7% drier.
* 20-Foot Winds......
* Valleys/Slope....Southwest winds 9 to 16 mph. Gusts to 25 mph
until early morning.
* Ridge Top........Southwest winds 10 to 16 mph with gusts to 30
mph.
* Mixing Height......3000-4000 ft agl decreasing to 600 ft agl
after midnight.
* Transport Winds....Southwest 10 to 20 mph.
* Ventilation........Very good decreasing to marginal after
midnight.
.SATURDAY...
* Sky/Weather........Partly cloudy.
* Chance of Thunder..0%.
* Chc Wetting Rain...0%.
* Max Temperature....
* Valleys..........67-77.
* Mid Slope........63-73.
* 24 hr trend......Little change.
* Min Humidity.......
* Valleys..........10-20%.
* Mid Slope........12-22%.
* 24 hr trend......8% drier.
* 20-Foot Winds......
* Valleys/Slope....Southwest winds 9 to 17 mph with gusts to 30
mph.
* Ridge Top........Southwest winds 10 to 20 mph with gusts to 30
mph.
* Mixing Height......1400-1900 ft agl increasing to 5700-6700 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.
.SATURDAY NIGHT...
* Sky/Weather........Mostly cloudy.
* Chance of Thunder..0%.
* Chc Wetting Rain...0%.
* Min Temperature....
* Valleys..........34-44.
* Mid Slope........37-47.
* Max Humidity.......
* Valleys..........52-62%.
* Mid Slope........34-44%.
* 20-Foot Winds......
* Valleys/Slope....Southwest winds 9 to 17 mph with gusts to 30 mph
decreasing to 5 to 10 mph with gusts to 20 mph
in the morning.
* Ridge Top........Southwest winds 15 to 25 mph with gusts to 40
mph.
* Mixing Height......2900-3900 ft agl decreasing to 600 ft agl
after midnight.
* Transport Winds....Southwest 10 to 20 mph.
* Ventilation........Very good decreasing to marginal after
midnight.
.SUNDAY...
* Sky/Weather........Partly cloudy then becoming sunny.
* Chance of Thunder..0%.
* Chc Wetting Rain...0%.
* Max Temperature....
* Valleys..........63-73.
* Mid Slope........59-69.
* Min Humidity.......
* Valleys..........11-21%.
* Mid Slope........13-23%.
* 20-Foot Winds......
* Valleys/Slope....Southwest winds 7 to 12 mph with gusts to 25 mph
increasing to 13 to 20 mph with gusts to 30
mph late in the afternoon.
* Ridge Top........Southwest winds 15 to 25 mph with gusts to 35
mph.
* Mixing Height......200-500 ft agl then 6200-7200 ft agl in the
afternoon.
* Transport Winds....Southwest 10 to 15 mph increasing to 15 to 25
mph in the afternoon.
* Ventilation........Marginal increasing to excellent in the
afternoon.
.Extended...
.SUNDAY NIGHT...Partly cloudy in the evening then becoming mostly
cloudy. Slight chance of showers after midnight. Lows 29-39.
Southwest winds 12 to 18 mph becoming downslope 2 to 5 mph.
.MONDAY...Mostly cloudy. Chance of showers. Highs 55-65. Lows 27-37.
North winds 10 to 15 mph.
.TUESDAY...Clear. Highs 63-73. Lows 27-37. Slope winds.
.WEDNESDAY...Clear. Highs 71-81. Lows 32-42. Slope winds.
.THURSDAY THROUGH FRIDAY...Clear. Highs 70-80. Lows 35-45.
$$
.8 to 14 day outlook for (Sat Oct 3 through Fri Oct 9)
Above normal temperatures and Below normal precipitation.
=
$$
http://weather.gov/reno