Routine Fire Wx Fcst (With/Without 6-10 Day Outlook)
Issued by NWS Reno, NV
Issued by NWS Reno, NV
209
FNUS55 KREV 040934
FWFREV
Fire Weather Planning Forecast
National Weather Service Reno NV
234 AM PDT Sat Oct 4 2025
.DISCUSSION...
Drier conditions with cooler than normal temperatures and good
overnight recoveries will prevail this weekend into early next week.
Simulations are hinting at a Pacific storm bringing gusty winds and
showers towards the end of 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
NVZ420-050030-
Northern Sierra Front including Carson City, Douglas, Storey,
Southern Washoe, Western Lyon, and Far Southern Lassen Counties-
234 AM PDT Sat Oct 4 2025
.TODAY...
* Sky/Weather........Sunny.
* Chance of Thunder..0%.
* Max Temperature....
* Valleys..........57-67.
* Mid Slope........54-64.
* 24 hr trend......Little change.
* Min Humidity.......
* Valleys..........24-34%.
* Mid Slope........31-41%.
* 24 hr trend......19% drier.
* 20-Foot Winds......
* Valleys/Slope....Northwest winds 7 to 12 mph. Gusts to 20 mph in
the morning.
* Ridge Top........Northwest winds 10 to 15 mph.
* Chc Wetting Rain...0%.
* Mixing Height......1400-1900 ft agl increasing to 3400-4400 ft
agl in the afternoon.
* Transport Winds....Light winds.
* Ventilation........Good.
.TONIGHT...
* Sky/Weather........Clear.
* Chance of Thunder..0%.
* Min Temperature....
* Valleys..........31-41.
* Mid Slope........34-43.
* 24 hr trend......Little change.
* Max Humidity.......
* Valleys..........76-86%.
* Mid Slope........60-70%.
* 24 hr trend......Little change.
* 20-Foot Winds......
* Valleys/Slope....Downslope 2 to 5 mph.
* Ridge Top........Light winds.
* Chc Wetting Rain...0%.
* Mixing Height......2000-3000 ft agl decreasing to 600-900 ft agl
after midnight.
* Transport Winds....Light winds.
* Ventilation........Good decreasing to marginal after midnight.
.SUNDAY...
* Sky/Weather........Sunny.
* Chance of Thunder..0%.
* Max Temperature....
* Valleys..........58-68.
* Mid Slope........54-64.
* Min Humidity.......
* Valleys..........25-35%.
* Mid Slope........35-45%.
* 20-Foot Winds......
* Valleys/Slope....Upslope 4 to 8 mph becoming east 8 to 13 mph in
the afternoon.
* Ridge Top........East winds 10 to 15 mph.
* Chc Wetting Rain...0%.
* Mixing Height......900-1400 ft agl increasing to 3100-4100 ft agl
in the afternoon.
* Transport Winds....East 10 to 15 mph.
* Ventilation........Fair increasing to good in the afternoon.
.Extended...
.SUNDAY NIGHT...Clear. Lows 31-41. Northeast winds 8 to 13 mph in
the evening becoming downslope 2 to 5 mph.
.MONDAY...Clear. Highs 58-68. Lows 31-41. Slope winds.
.TUESDAY...Clear. Highs 62-72. Lows 33-43. Slope winds.
.WEDNESDAY...Clear. Highs 65-75. Lows 36-46. Slope winds.
.THURSDAY...Clear. Highs 65-75. Lows 37-47.
.FRIDAY...Mostly sunny. Slight chance of showers. Highs 64-74.
$$
NVZ421-050030-
Southern Sierra Front including Alpine, Northern Mono, Southern
Lyon, and Western Mineral Counties-
234 AM PDT Sat Oct 4 2025
.TODAY...
* Sky/Weather........Partly cloudy then becoming sunny.
* Chance of Thunder..0%.
* Max Temperature....
* Valleys..........56-66.
* Mid Slope........50-60.
* 24 hr trend......6 degrees warmer.
* Min Humidity.......
* Valleys..........33-43%.
* Mid Slope........33-43%.
* 24 hr trend......10% drier.
* 20-Foot Winds......
* Valleys/Slope....Upslope 4 to 8 mph becoming north 9 to 14 mph in
the afternoon.
* Ridge Top........North winds 10 to 15 mph with gusts to 25 mph.
* Chc Wetting Rain...0%.
* Mixing Height......1500-2000 ft agl increasing to 3200-4200 ft
agl in the afternoon.
* Transport Winds....North 10 to 15 mph.
* Ventilation........Fair increasing to good in the afternoon.
.TONIGHT...
* Sky/Weather........Clear.
* Chance of Thunder..0%.
* Min Temperature....
* Valleys..........25-35.
* Mid Slope........34-44.
* 24 hr trend......Little change.
* Max Humidity.......
* Valleys..........74-84%.
* Mid Slope........56-66%.
* 24 hr trend......Little change.
* 20-Foot Winds......
* Valleys/Slope....North winds 8 to 13 mph in the evening becoming
downslope 2 to 5 mph.
* Ridge Top........Light winds becoming east 10 to 15 mph in the
late evening and overnight.
* Chc Wetting Rain...0%.
* Mixing Height......1800-2800 ft agl decreasing to 600-900 ft agl
after midnight.
* Transport Winds....Light winds.
* Ventilation........Good decreasing to marginal after midnight.
.SUNDAY...
* Sky/Weather........Sunny.
* Chance of Thunder..0%.
* Max Temperature....
* Valleys..........57-67.
* Mid Slope........51-61.
* Min Humidity.......
* Valleys..........31-41%.
* Mid Slope........31-41%.
* 20-Foot Winds......
* Valleys/Slope....Upslope 4 to 8 mph becoming northeast 8 to 13
mph in the afternoon.
* Ridge Top........Northeast winds 10 to 15 mph.
* Chc Wetting Rain...0%.
* Mixing Height......800-1300 ft agl increasing to 3000-4000 ft agl
in the afternoon.
* Transport Winds....Light winds.
* Ventilation........Marginal increasing to good in the afternoon.
.Extended...
.SUNDAY NIGHT...Partly cloudy in the evening then becoming clear.
Lows 25-35. Northeast winds 9 to 14 mph in the evening becoming
downslope 2 to 5 mph.
.MONDAY...Clear. Highs 57-67. Lows 25-35. Slope winds.
.TUESDAY...Clear. Highs 63-73. Lows 27-37. Slope winds.
.WEDNESDAY...Clear. Highs 66-76. Lows 30-40. Slope winds.
.THURSDAY...Clear. Highs 66-76. Lows 31-41.
.FRIDAY...Partly cloudy. Slight chance of showers. Highs 65-75.
$$
CAZ272-050030-
Greater Lake Tahoe and Truckee Area-
234 AM PDT Sat Oct 4 2025
.TODAY...
* Sky/Weather........Sunny. Areas of freezing fog in the morning.
* Chance of Thunder..0%.
* Max Temperature....
* Valleys..........55-62.
* Mid Slope........49-59.
* 24 hr trend......8 degrees warmer.
* Min Humidity.......
* Valleys..........37-47%.
* Mid Slope........37-47%.
* 24 hr trend......29% drier.
* 20-Foot Winds......
* Valleys/Slope....Upslope 4 to 8 mph.
* Ridge Top........Northeast winds 10 to 15 mph. Gusts to 25 mph
until late afternoon.
* Chc Wetting Rain...0%.
* Mixing Height......1100-1600 ft agl increasing to 2800-3800 ft
agl in the afternoon.
* Transport Winds....Light winds.
* Ventilation........Fair.
.TONIGHT...
* Sky/Weather........Clear.
* Chance of Thunder..0%.
* Min Temperature....
* Valleys..........26-36.
* Mid Slope........29-39.
* 24 hr trend......Little change.
* Max Humidity.......
* Valleys..........82-92%.
* Mid Slope........67-77%.
* 24 hr trend......4% drier.
* 20-Foot Winds......
* Valleys/Slope....Downslope 2 to 5 mph.
* Ridge Top........Northeast winds 10 to 15 mph. Gusts to 20 mph
after midnight.
* Chc Wetting Rain...0%.
* Mixing Height......1800-2800 ft agl decreasing to 600-900 ft agl
after midnight.
* Transport Winds....Light winds.
* Ventilation........Fair decreasing to marginal after midnight.
.SUNDAY...
* Sky/Weather........Sunny.
* Chance of Thunder..0%.
* Max Temperature....
* Valleys..........54-62.
* Mid Slope........49-59.
* Min Humidity.......
* Valleys..........38-48%.
* Mid Slope........39-49%.
* 20-Foot Winds......
* Valleys/Slope....Upslope 4 to 8 mph.
* Ridge Top........Light winds. Gusts to 20 mph in the morning.
* Chc Wetting Rain...0%.
* Mixing Height......800-1300 ft agl increasing to 2300-3300 ft agl
in the afternoon.
* Transport Winds....Light winds.
* Ventilation........Fair.
.Extended...
.SUNDAY NIGHT...Clear. Lows 25-35. Downslope 2 to 5 mph becoming
east 8 to 13 mph in the late evening and overnight.
.MONDAY...Clear. Highs 53-63. Lows 25-35. Slope winds.
.TUESDAY...Clear. Highs 58-68. Lows 28-38. Slope winds.
.WEDNESDAY...Clear. Highs 59-69. Lows 31-41. Slope winds.
.THURSDAY...Clear. Highs 59-68. Lows 32-42.
.FRIDAY...Partly cloudy. Slight chance of showers. Highs 58-67.
$$
NVZ423-050030-
West Humboldt Basin in Pershing County-
234 AM PDT Sat Oct 4 2025
.TODAY...
* Sky/Weather........Sunny.
* Chance of Thunder..0%.
* Max Temperature....
* Valleys..........58-68.
* Mid Slope........54-64.
* 24 hr trend......Little change.
* Min Humidity.......
* Valleys..........31-41%.
* Mid Slope........32-42%.
* 24 hr trend......21% drier.
* 20-Foot Winds......
* Valleys/Slope....Northwest winds 8 to 13 mph.
* Ridge Top........Northwest winds 10 to 15 mph with gusts to 25
mph.
* Chc Wetting Rain...5%.
* Mixing Height......1500-2000 ft agl increasing to 4000-5000 ft
agl in the afternoon.
* Transport Winds....Northwest 10 to 15 mph.
* Ventilation........Good.
.TONIGHT...
* Sky/Weather........Clear then becoming partly cloudy.
* Chance of Thunder..0%.
* Min Temperature....
* Valleys..........33-43.
* Mid Slope........35-44.
* 24 hr trend......Little change.
* Max Humidity.......
* Valleys..........74-84%.
* Mid Slope........57-67%.
* 24 hr trend......Little change.
* 20-Foot Winds......
* Valleys/Slope....North winds 7 to 12 mph.
* Ridge Top........Light winds.
* Chc Wetting Rain...0%.
* Mixing Height......2400-3400 ft agl decreasing to 600-800 ft agl
after midnight.
* Transport Winds....North 10 to 15 mph.
* Ventilation........Good decreasing to marginal after midnight.
.SUNDAY...
* Sky/Weather........Sunny.
* Chance of Thunder..0%.
* Max Temperature....
* Valleys..........59-67.
* Mid Slope........54-64.
* Min Humidity.......
* Valleys..........31-41%.
* Mid Slope........33-43%.
* 20-Foot Winds......
* Valleys/Slope....Northeast winds 7 to 12 mph.
* Ridge Top........Light winds.
* Chc Wetting Rain...0%.
* Mixing Height......700-1200 ft agl increasing to 3500-4500 ft agl
in the afternoon.
* Transport Winds....Northeast 10 to 15 mph.
* Ventilation........Fair increasing to good in the afternoon.
.Extended...
.SUNDAY NIGHT...Clear. Lows 30-40. Northeast winds 9 to 14 mph.
.MONDAY...Clear. Highs 63-69. Lows 30-40. Northeast winds 10 to
15 mph.
.TUESDAY THROUGH WEDNESDAY...Clear. Highs 67-76. Lows 33-43. Slope
winds.
.THURSDAY THROUGH FRIDAY...Clear. Highs 70-77. Lows 38-48.
$$
NVZ429-050030-
Lahontan Basin including Churchill and Eastern Mineral Counties-
234 AM PDT Sat Oct 4 2025
.TODAY...
* Sky/Weather........Partly cloudy then becoming sunny.
* Chance of Thunder..0%.
* Max Temperature....
* Valleys..........58-68.
* Mid Slope........53-63.
* 24 hr trend......Little change.
* Min Humidity.......
* Valleys..........31-41%.
* Mid Slope........33-43%.
* 24 hr trend......14% drier.
* 20-Foot Winds......
* Valleys/Slope....Northwest winds 9 to 14 mph.
* Ridge Top........Northwest winds 10 to 15 mph with gusts to 30
mph.
* Chc Wetting Rain...5%.
* Mixing Height......1600-2100 ft agl increasing to 3900-4900 ft
agl in the afternoon.
* Transport Winds....Northwest 10 to 15 mph.
* Ventilation........Good increasing to very good in the afternoon.
.TONIGHT...
* Sky/Weather........Clear.
* Chance of Thunder..0%.
* Min Temperature....
* Valleys..........35-45.
* Mid Slope........35-45.
* 24 hr trend......4 degrees cooler.
* Max Humidity.......
* Valleys..........72-82%.
* Mid Slope........58-68%.
* 24 hr trend......8% drier.
* 20-Foot Winds......
* Valleys/Slope....North winds 7 to 12 mph with gusts to 20 mph in
the evening becoming downslope 2 to 5 mph.
* Ridge Top........Light winds.
* Chc Wetting Rain...0%.
* Mixing Height......2100-3100 ft agl decreasing to 600-800 ft agl
after midnight.
* Transport Winds....Light winds.
* Ventilation........Good decreasing to poor after midnight.
.SUNDAY...
* Sky/Weather........Sunny.
* Chance of Thunder..0%.
* Max Temperature....
* Valleys..........59-69.
* Mid Slope........55-65.
* Min Humidity.......
* Valleys..........28-38%.
* Mid Slope........30-40%.
* 20-Foot Winds......
* Valleys/Slope....Upslope 4 to 8 mph becoming northeast 7 to 12
mph in the afternoon.
* Ridge Top........Light winds.
* Chc Wetting Rain...0%.
* Mixing Height......700-1200 ft agl increasing to 3200-4200 ft agl
in the afternoon.
* Transport Winds....Light winds.
* Ventilation........Marginal increasing to good in the afternoon.
.Extended...
.SUNDAY NIGHT...Clear. Lows 33-43. North winds 9 to 14 mph.
.MONDAY...Clear. Highs 60-70. Lows 33-43. Slope winds.
.TUESDAY THROUGH WEDNESDAY...Clear. Highs 67-77. Lows 35-45. Slope
winds.
.THURSDAY THROUGH FRIDAY...Clear. Highs 69-79. Lows 39-49.
$$
CAZ270-278-NVZ458-050030-
Surprise Valley California-Eastern Lassen County-
Northern Washoe County-
234 AM PDT Sat Oct 4 2025
.TODAY...
* Sky/Weather........Partly cloudy then becoming sunny.
* Chance of Thunder..0%.
* Max Temperature....
* Valleys..........57-67.
* Mid Slope........52-62.
* 24 hr trend......4 degrees warmer.
* Min Humidity.......
* Valleys..........25-35%.
* Mid Slope........31-41%.
* 24 hr trend......23% drier.
* 20-Foot Winds......
* Valleys/Slope....Northwest winds 8 to 13 mph. Gusts to 20 mph in
the afternoon.
* Ridge Top........North winds 10 to 15 mph with gusts to 25 mph.
* Chc Wetting Rain...0%.
* Mixing Height......1100-1600 ft agl increasing to 3900-4900 ft
agl in the afternoon.
* Transport Winds....North 10 to 15 mph.
* Ventilation........Fair increasing to very good in the afternoon.
.TONIGHT...
* Sky/Weather........Partly cloudy then becoming clear.
* Chance of Thunder..0%.
* Min Temperature....
* Valleys..........26-36.
* Mid Slope........31-41.
* 24 hr trend......Little change.
* Max Humidity.......
* Valleys..........78-88%.
* Mid Slope........68-78%.
* 24 hr trend......Little change.
* 20-Foot Winds......
* Valleys/Slope....North winds 8 to 13 mph with gusts to 20 mph in
the evening becoming downslope 2 to 5 mph.
* Ridge Top........Northeast winds 10 to 15 mph.
* Chc Wetting Rain...0%.
* Mixing Height......2300-3300 ft agl decreasing to 600-800 ft agl
after midnight.
* Transport Winds....North 10 to 15 mph.
* Ventilation........Good decreasing to marginal after midnight.
.SUNDAY...
* Sky/Weather........Partly cloudy then becoming sunny.
* Chance of Thunder..0%.
* Max Temperature....
* Valleys..........57-67.
* Mid Slope........52-62.
* Min Humidity.......
* Valleys..........26-36%.
* Mid Slope........31-41%.
* 20-Foot Winds......
* Valleys/Slope....Northeast winds 9 to 14 mph.
* Ridge Top........Northeast winds 10 to 15 mph.
* Chc Wetting Rain...0%.
* Mixing Height......900-1400 ft agl increasing to 3200-4200 ft agl
in the afternoon.
* Transport Winds....Northeast 10 to 15 mph.
* Ventilation........Fair increasing to good in the afternoon.
.Extended...
.SUNDAY NIGHT...Clear. Lows 25-35. Northeast winds 9 to 14 mph.
.MONDAY...Clear. Highs 59-69. Lows 25-35. Northeast winds 10 to
15 mph.
.TUESDAY...Clear. Highs 64-74. Lows 27-37. Slope winds.
.WEDNESDAY...Clear. Highs 66-76. Lows 32-42. Southwest winds 10 to
15 mph.
.THURSDAY...Clear. Highs 66-76. Lows 34-44.
.FRIDAY...Mostly sunny. Slight chance of showers. Highs 64-74.
$$
CAZ271-050030-
Western Lassen, Eastern Plumas, and Eastern Sierra Counties-
234 AM PDT Sat Oct 4 2025
.TODAY...
* Sky/Weather........Sunny.
* Chance of Thunder..0%.
* Max Temperature....
* Valleys..........56-66.
* Mid Slope........54-62.
* 24 hr trend......7 degrees warmer.
* Min Humidity.......
* Valleys..........31-41%.
* Mid Slope........32-42%.
* 24 hr trend......32% drier.
* 20-Foot Winds......
* Valleys/Slope....Upslope 4 to 8 mph.
* Ridge Top........North winds 10 to 15 mph. Gusts to 20 mph in the
morning.
* Chc Wetting Rain...0%.
* Mixing Height......1000-1500 ft agl increasing to 3600-4600 ft
agl in the afternoon.
* Transport Winds....North 10 to 15 mph.
* Ventilation........Fair increasing to good in the afternoon.
.TONIGHT...
* Sky/Weather........Clear.
* Chance of Thunder..0%.
* Min Temperature....
* Valleys..........24-34.
* Mid Slope........30-40.
* 24 hr trend......Little change.
* Max Humidity.......
* Valleys..........83-93%.
* Mid Slope........73-83%.
* 24 hr trend......Little change.
* 20-Foot Winds......
* Valleys/Slope....Downslope 2 to 5 mph.
* Ridge Top........Light winds.
* Chc Wetting Rain...0%.
* Mixing Height......2200-3200 ft agl decreasing to 600-700 ft agl
after midnight.
* Transport Winds....Northeast 10 to 15 mph.
* Ventilation........Good decreasing to marginal after midnight.
.SUNDAY...
* Sky/Weather........Sunny.
* Chance of Thunder..0%.
* Max Temperature....
* Valleys..........57-67.
* Mid Slope........54-62.
* Min Humidity.......
* Valleys..........31-41%.
* Mid Slope........35-45%.
* 20-Foot Winds......
* Valleys/Slope....Upslope 4 to 8 mph becoming east 8 to 13 mph
with gusts to 20 mph in the late morning and
afternoon.
* Ridge Top........East winds 10 to 15 mph.
* Chc Wetting Rain...0%.
* Mixing Height......700-1200 ft agl increasing to 3200-4200 ft agl
in the afternoon.
* Transport Winds....East 10 to 15 mph.
* Ventilation........Fair increasing to good in the afternoon.
.Extended...
.SUNDAY NIGHT...Clear. Lows 23-33. East winds 9 to 14 mph.
.MONDAY...Clear. Highs 58-68. Lows 23-33. East winds 10 to 15 mph.
.TUESDAY...Clear. Highs 64-74. Lows 25-35. Slope winds.
.WEDNESDAY...Clear. Highs 64-74. Lows 28-38. South winds 10 to
15 mph.
.THURSDAY...Clear. Highs 63-73. Lows 29-39.
.FRIDAY...Partly cloudy. Slight chance of showers. Highs 60-70.
$$
CAZ274-050030-
Southern Mono County-
234 AM PDT Sat Oct 4 2025
.TODAY...
* Sky/Weather........Partly cloudy then becoming sunny.
* Chance of Thunder..0%.
* Max Temperature....
* Valleys..........55-65.
* Mid Slope........50-60.
* 24 hr trend......6 degrees warmer.
* Min Humidity.......
* Valleys..........24-34%.
* Mid Slope........29-39%.
* 24 hr trend......8% drier.
* 20-Foot Winds......
* Valleys/Slope....Upslope 4 to 8 mph becoming north 7 to 12 mph
with gusts to 20 mph in the afternoon.
* Ridge Top........North winds 10 to 20 mph. Gusts to 35 mph until
late afternoon.
* Chc Wetting Rain...0%.
* Mixing Height......1500-2000 ft agl increasing to 3000-4000 ft
agl in the afternoon.
* Transport Winds....North 10 to 15 mph.
* Ventilation........Good increasing to very good in the afternoon.
.TONIGHT...
* Sky/Weather........Clear.
* Chance of Thunder..0%.
* Min Temperature....
* Valleys..........25-35.
* Mid Slope........26-36.
* 24 hr trend......Little change.
* Max Humidity.......
* Valleys..........79-89%.
* Mid Slope........62-72%.
* 24 hr trend......Little change.
* 20-Foot Winds......
* Valleys/Slope....North winds 5 to 10 mph with gusts to 20 mph in
the evening becoming downslope 2 to 5 mph.
* Ridge Top........Light winds. Gusts to 20 mph in the evening.
* Chc Wetting Rain...0%.
* Mixing Height......2200-3200 ft agl decreasing to 600-1000 ft agl
after midnight.
* Transport Winds....North 10 to 15 mph.
* Ventilation........Good decreasing to marginal after midnight.
.SUNDAY...
* Sky/Weather........Sunny.
* Chance of Thunder..0%.
* Max Temperature....
* Valleys..........56-66.
* Mid Slope........52-62.
* Min Humidity.......
* Valleys..........24-34%.
* Mid Slope........29-39%.
* 20-Foot Winds......
* Valleys/Slope....Upslope 4 to 8 mph.
* Ridge Top........West winds 10 to 15 mph shifting to the
southeast in the afternoon.
* Chc Wetting Rain...0%.
* Mixing Height......900-1400 ft agl increasing to 2800-3800 ft agl
in the afternoon.
* Transport Winds....Light winds.
* Ventilation........Marginal increasing to good in the afternoon.
.Extended...
.SUNDAY NIGHT...Partly cloudy in the evening then becoming clear.
Lows 26-36. Downslope 2 to 5 mph.
.MONDAY...Clear. Highs 56-66. Lows 26-36. Slope winds.
.TUESDAY...Clear. Highs 60-70. Lows 28-38. Slope winds.
.WEDNESDAY...Clear. Highs 62-72. Lows 30-40. Slope winds.
.THURSDAY...Clear. Highs 62-72. Lows 30-40.
.FRIDAY...Partly cloudy. Slight chance of showers. Highs 61-71.
$$
.8 to 14 day outlook for (Sat Oct 11 through Fri Oct 17)
Below normal temperatures and Above normal precipitation.
=
$$
http://weather.gov/reno