Routine Fire Wx Fcst (With/Without 6-10 Day Outlook)
Issued by NWS Reno, NV

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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