Routine Fire Wx Fcst (With/Without 6-10 Day Outlook)
Issued by NWS Reno, NV
Issued by NWS Reno, NV
273
FNUS55 KREV 030830
FWFREV
Fire Weather Planning Forecast
National Weather Service Reno NV
1230 AM PST Wed Dec 3 2025
.DISCUSSION...
Today brings a sharp drop in temperatures and gusty, brisk east-
northeast winds. Conditions remain dry through the week, with an
exception for slight shower chances along the Oregon border this
weekend.
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
NVZ420-040015-
Northern Sierra Front including Carson City, Douglas, Storey,
Southern Washoe, Western Lyon, and Far Southern Lassen Counties-
1230 AM PST Wed Dec 3 2025
.TODAY...
* Sky/Weather........Partly cloudy.
* Chance of Thunder..0%.
* Max Temperature....
* Valleys..........37-45.
* Mid Slope........33-43.
* 24 hr trend......14 degrees cooler.
* Min Humidity.......
* Valleys..........43-53%.
* Mid Slope........45-55%.
* 24 hr trend......15% wetter.
* 20-Foot Winds......
* Valleys/Slope....Northeast winds 7 to 12 mph.
* Ridge Top........Northeast winds 10 to 15 mph with gusts to 35
mph.
* Chc Wetting Rain...0%.
* Mixing Height......900-1400 ft agl increasing to 1700-2700 ft agl
in the afternoon.
* Transport Winds....Northeast 10 to 15 mph.
* Ventilation........Fair increasing to good in the afternoon.
.TONIGHT...
* Sky/Weather........Partly cloudy then becoming clear.
* Chance of Thunder..0%.
* Min Temperature....
* Valleys..........14-24.
* Mid Slope........21-28.
* 24 hr trend......Little change.
* Max Humidity.......
* Valleys..........73-83%.
* Mid Slope........58-68%.
* 24 hr trend......9% drier.
* 20-Foot Winds......
* Valleys/Slope....Downslope 2 to 5 mph.
* Ridge Top........Light winds.
* Chc Wetting Rain...0%.
* Mixing Height......900-1400 ft agl decreasing to 600-900 ft agl
after midnight.
* Transport Winds....Light winds.
* Ventilation........Marginal.
.THURSDAY...
* Sky/Weather........Partly cloudy.
* Chance of Thunder..0%.
* Max Temperature....
* Valleys..........42-52.
* Mid Slope........39-49.
* Min Humidity.......
* Valleys..........30-40%.
* Mid Slope........28-38%.
* 20-Foot Winds......
* Valleys/Slope....Upslope 4 to 8 mph.
* Ridge Top........Light winds becoming north 10 to 15 mph late in
the afternoon.
* Chc Wetting Rain...0%.
* Mixing Height......600-900 ft agl increasing to 900-1400 ft agl
in the afternoon.
* Transport Winds....Light winds.
* Ventilation........Marginal.
.Extended...
.THURSDAY NIGHT...Partly cloudy. Lows 23-33. Downslope 2 to 5 mph.
.FRIDAY...Partly cloudy. Highs 48-58. Lows 23-33. Slope winds.
.SATURDAY...Partly cloudy. Highs 52-62. Lows 28-38. Slope winds.
.SUNDAY...Partly cloudy. Highs 51-61. Lows 28-38. Slope winds.
.MONDAY THROUGH TUESDAY...Partly cloudy. Highs 53-63. Lows 28-38.
$$
NVZ421-040015-
Southern Sierra Front including Alpine, Northern Mono, Southern
Lyon, and Western Mineral Counties-
1230 AM PST Wed Dec 3 2025
.TODAY...
* Sky/Weather........Partly cloudy.
* Chance of Thunder..0%.
* Max Temperature....
* Valleys..........35-43.
* Mid Slope........29-39.
* 24 hr trend......17 degrees cooler.
* Min Humidity.......
* Valleys..........38-48%.
* Mid Slope........35-45%.
* 24 hr trend......16% wetter.
* 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........Northeast winds 15 to 25 mph with gusts to 50
mph.
* Chc Wetting Rain...0%.
* Mixing Height......900-1400 ft agl increasing to 1700-2200 ft agl
in the afternoon.
* Transport Winds....Northeast 10 to 15 mph.
* Ventilation........Fair increasing to good in the afternoon.
.TONIGHT...
* Sky/Weather........Clear.
* Chance of Thunder..0%.
* Min Temperature....
* Valleys..........13-23.
* Mid Slope........19-29.
* 24 hr trend......Little change.
* Max Humidity.......
* Valleys..........65-75%.
* Mid Slope........44-54%.
* 24 hr trend......19% drier.
* 20-Foot Winds......
* Valleys/Slope....Downslope 2 to 5 mph.
* Ridge Top........Northeast winds 10 to 15 mph shifting to the
east in the late evening and overnight. Gusts
to 25 mph until early morning.
* Chc Wetting Rain...0%.
* Mixing Height......700-1200 ft agl.
* Transport Winds....Light winds.
* Ventilation........Marginal.
.THURSDAY...
* Sky/Weather........Sunny then becoming partly cloudy.
* Chance of Thunder..0%.
* Max Temperature....
* Valleys..........43-53.
* Mid Slope........39-49.
* Min Humidity.......
* Valleys..........20-30%.
* Mid Slope........19-29%.
* 20-Foot Winds......
* Valleys/Slope....Upslope 4 to 8 mph.
* Ridge Top........Light winds becoming north 10 to 15 mph. Gusts
to 25 mph in the late morning and afternoon.
* Chc Wetting Rain...0%.
* Mixing Height......600-900 ft agl increasing to 1000-1500 ft agl
in the afternoon.
* Transport Winds....Light winds.
* Ventilation........Fair.
.Extended...
.THURSDAY NIGHT...Partly cloudy. Lows 23-33. Downslope 2 to 5 mph.
.FRIDAY...Clear. Highs 47-57. Lows 23-33. Slope winds.
.SATURDAY...Clear. Highs 53-63. Lows 26-36. Slope winds.
.SUNDAY...Partly cloudy. Highs 52-62. Lows 25-35. Slope winds.
.MONDAY...Clear. Highs 52-62. Lows 25-35.
.TUESDAY...Partly cloudy. Highs 56-66.
$$
CAZ272-040015-
Greater Lake Tahoe and Truckee Area-
1230 AM PST Wed Dec 3 2025
.TODAY...
* Sky/Weather........Partly cloudy.
* Chance of Thunder..0%.
* Max Temperature....
* Valleys..........33-41.
* Mid Slope........28-38.
* 24 hr trend......13 degrees cooler.
* Min Humidity.......
* Valleys..........42-52%.
* Mid Slope........41-51%.
* 24 hr trend......9% wetter.
* 20-Foot Winds......
* Valleys/Slope....East winds 9 to 15 mph decreasing to 5 to 10 mph
late in the afternoon. Gusts to 25 mph.
* Ridge Top........East winds 20 to 30 mph. Gusts to 55 mph
decreasing to 35 mph late in the afternoon.
* Chc Wetting Rain...0%.
* Mixing Height......1100-1600 ft agl.
* Transport Winds....East 15 to 25 mph.
* Ventilation........Good.
.TONIGHT...
* Sky/Weather........Partly cloudy then becoming clear.
* Chance of Thunder..0%.
* Min Temperature....
* Valleys..........12-22.
* Mid Slope........18-28.
* 24 hr trend......Little change.
* Max Humidity.......
* Valleys..........67-77%.
* Mid Slope........47-57%.
* 24 hr trend......21% drier.
* 20-Foot Winds......
* Valleys/Slope....East winds 7 to 12 mph with gusts to 20 mph in
the evening becoming downslope 2 to 5 mph.
* Ridge Top........East winds 10 to 15 mph with gusts to 30 mph.
* Chc Wetting Rain...0%.
* Mixing Height......700-1200 ft agl.
* Transport Winds....East 10 to 15 mph.
* Ventilation........Fair decreasing to marginal after midnight.
.THURSDAY...
* Sky/Weather........Partly cloudy.
* Chance of Thunder..0%.
* Max Temperature....
* Valleys..........44-50.
* Mid Slope........39-49.
* Min Humidity.......
* Valleys..........29-39%.
* Mid Slope........27-37%.
* 20-Foot Winds......
* Valleys/Slope....Upslope 4 to 8 mph.
* Ridge Top........East winds 10 to 15 mph with gusts to 30 mph.
* Chc Wetting Rain...0%.
* Mixing Height......600-800 ft agl increasing to 1000-1500 ft agl
in the afternoon.
* Transport Winds....Light winds.
* Ventilation........Marginal.
.Extended...
.THURSDAY NIGHT...Partly cloudy in the evening then becoming clear.
Lows 23-33. Downslope 2 to 5 mph.
.FRIDAY...Clear. Highs 47-53. Lows 23-33. Slope winds.
.SATURDAY THROUGH SUNDAY...Partly cloudy. Highs 49-56. Lows 25-35.
Slope winds.
.MONDAY...Partly cloudy. Highs 49-57. Lows 25-35.
.TUESDAY...Partly cloudy. Highs 54-62.
$$
NVZ423-040015-
West Humboldt Basin in Pershing County-
1230 AM PST Wed Dec 3 2025
.TODAY...
* Sky/Weather........Sunny.
* Chance of Thunder..0%.
* Max Temperature....
* Valleys..........40-46.
* Mid Slope........34-44.
* 24 hr trend......9 degrees cooler.
* Min Humidity.......
* Valleys..........39-49%.
* Mid Slope........44-54%.
* 24 hr trend......11% wetter.
* 20-Foot Winds......
* Valleys/Slope....North winds 7 to 12 mph until late afternoon
becoming upslope 4 to 8 mph.
* Ridge Top........North winds 10 to 15 mph with gusts to 30 mph.
* Chc Wetting Rain...0%.
* Mixing Height......600-1100 ft agl increasing to 1900-2900 ft agl
in the afternoon.
* Transport Winds....North 10 to 15 mph.
* Ventilation........Fair.
.TONIGHT...
* Sky/Weather........Clear.
* Chance of Thunder..0%.
* Min Temperature....
* Valleys..........15-25.
* Mid Slope........19-28.
* 24 hr trend......Little change.
* Max Humidity.......
* Valleys..........77-87%.
* Mid Slope........56-66%.
* 24 hr trend......6% drier.
* 20-Foot Winds......
* Valleys/Slope....Downslope 2 to 5 mph.
* Ridge Top........Light winds. Gusts to 20 mph in the evening.
* Chc Wetting Rain...0%.
* Mixing Height......800 ft agl.
* Transport Winds....Light winds.
* Ventilation........Marginal.
.THURSDAY...
* Sky/Weather........Partly cloudy.
* Chance of Thunder..0%.
* Max Temperature....
* Valleys..........41-47.
* Mid Slope........36-46.
* Min Humidity.......
* Valleys..........34-44%.
* Mid Slope........39-49%.
* 20-Foot Winds......
* Valleys/Slope....Upslope 4 to 8 mph.
* Ridge Top........Light winds becoming southwest 10 to 15 mph in
the afternoon. Gusts to 25 mph in the late
morning and afternoon.
* Chc Wetting Rain...0%.
* Mixing Height......600-700 ft agl increasing to 900-1400 ft agl
in the afternoon.
* Transport Winds....Light winds.
* Ventilation........Marginal.
.Extended...
.THURSDAY NIGHT...Mostly cloudy. Lows 22-32. Downslope 2 to 5 mph.
.FRIDAY...Mostly cloudy. Highs 47-55. Lows 22-32. Slope winds.
.SATURDAY...Mostly cloudy. Slight chance of rain. Highs 51-57. Lows
28-37. Slope winds.
.SUNDAY...Mostly cloudy. Highs 50-55. Lows 27-37. Slope winds.
.MONDAY THROUGH TUESDAY...Partly cloudy. Highs 53-59. Lows 26-36.
$$
NVZ429-040015-
Lahontan Basin including Churchill and Eastern Mineral Counties-
1230 AM PST Wed Dec 3 2025
.TODAY...
* Sky/Weather........Partly cloudy then becoming sunny.
* Chance of Thunder..0%.
* Max Temperature....
* Valleys..........36-46.
* Mid Slope........33-43.
* 24 hr trend......12 degrees cooler.
* Min Humidity.......
* Valleys..........43-53%.
* Mid Slope........45-55%.
* 24 hr trend......16% wetter.
* 20-Foot Winds......
* Valleys/Slope....North winds 7 to 12 mph.
* Ridge Top........North winds 10 to 15 mph with gusts to 35 mph.
* Chc Wetting Rain...0%.
* Mixing Height......800-1300 ft agl increasing to 2000-3000 ft agl
in the afternoon.
* Transport Winds....Light winds.
* Ventilation........Fair increasing to good in the afternoon.
.TONIGHT...
* Sky/Weather........Clear.
* Chance of Thunder..0%.
* Min Temperature....
* Valleys..........15-25.
* Mid Slope........18-28.
* 24 hr trend......Little change.
* Max Humidity.......
* Valleys..........74-84%.
* Mid Slope........57-67%.
* 24 hr trend......7% drier.
* 20-Foot Winds......
* Valleys/Slope....Downslope 2 to 5 mph.
* Ridge Top........Northeast winds 10 to 15 mph. Gusts to 20 mph in
the evening.
* Chc Wetting Rain...0%.
* Mixing Height......800-1300 ft agl decreasing to 600-800 ft agl
after midnight.
* Transport Winds....Light winds.
* Ventilation........Fair.
.THURSDAY...
* Sky/Weather........Partly cloudy.
* Chance of Thunder..0%.
* Max Temperature....
* Valleys..........40-48.
* Mid Slope........38-46.
* Min Humidity.......
* Valleys..........28-38%.
* Mid Slope........24-34%.
* 20-Foot Winds......
* Valleys/Slope....Upslope 4 to 8 mph.
* Ridge Top........Southeast winds 10 to 15 mph shifting to the
west with gusts to 25 mph in the afternoon.
* Chc Wetting Rain...0%.
* Mixing Height......600-700 ft agl increasing to 900-1400 ft agl
in the afternoon.
* Transport Winds....Light winds.
* Ventilation........Marginal.
.Extended...
.THURSDAY NIGHT...Partly cloudy. Lows 22-32. Downslope 2 to 5 mph.
.FRIDAY...Partly cloudy. Highs 46-56. Lows 22-32. Slope winds.
.SATURDAY THROUGH SUNDAY...Partly cloudy. Highs 52-61. Lows 26-36.
Slope winds.
.MONDAY THROUGH TUESDAY...Partly cloudy. Highs 52-62. Lows 24-34.
$$
CAZ270-278-NVZ458-040015-
Surprise Valley California-Eastern Lassen County-
Northern Washoe County-
1230 AM PST Wed Dec 3 2025
.TODAY...
* Sky/Weather........Partly cloudy.
* Chance of Thunder..0%.
* Max Temperature....
* Valleys..........37-45.
* Mid Slope........35-41.
* 24 hr trend......11 degrees cooler.
* Min Humidity.......
* Valleys..........40-50%.
* Mid Slope........41-51%.
* 24 hr trend......13% wetter.
* 20-Foot Winds......
* Valleys/Slope....Upslope 4 to 8 mph.
* Ridge Top........Northeast winds 10 to 15 mph with gusts to 25
mph.
* Chc Wetting Rain...0%.
* Mixing Height......600-1000 ft agl increasing to 1700-2200 ft agl
in the afternoon.
* Transport Winds....Northeast 10 to 15 mph.
* Ventilation........Fair.
.TONIGHT...
* Sky/Weather........Partly cloudy then becoming clear.
* Chance of Thunder..0%.
* Min Temperature....
* Valleys..........16-26.
* Mid Slope........18-28.
* 24 hr trend......Little change.
* Max Humidity.......
* Valleys..........73-83%.
* Mid Slope........62-72%.
* 24 hr trend......12% drier.
* 20-Foot Winds......
* Valleys/Slope....Downslope 2 to 5 mph.
* Ridge Top........Light winds.
* Chc Wetting Rain...0%.
* Mixing Height......800 ft agl.
* Transport Winds....Light winds.
* Ventilation........Marginal.
.THURSDAY...
* Sky/Weather........Partly cloudy.
* Chance of Thunder..0%.
* Max Temperature....
* Valleys..........41-51.
* Mid Slope........39-47.
* Min Humidity.......
* Valleys..........33-43%.
* Mid Slope........33-43%.
* 20-Foot Winds......
* Valleys/Slope....Upslope 4 to 8 mph.
* Ridge Top........Light winds becoming west 10 to 15 mph with
gusts to 30 mph in the afternoon.
* Chc Wetting Rain...5%.
* Mixing Height......600-700 ft agl increasing to 800-1300 ft agl
in the afternoon.
* Transport Winds....Light winds.
* Ventilation........Fair.
.Extended...
.THURSDAY NIGHT...Mostly cloudy in the evening then becoming partly
cloudy. Chance of snow in the evening. Slight chance of rain. Lows
25-35. Downslope 2 to 5 mph.
.FRIDAY...Mostly cloudy. Slight chance of rain. Highs 46-56. Lows
25-35. Slope winds.
.SATURDAY...Mostly cloudy. Chance of rain. Highs 48-58. Lows 28-38.
Slope winds.
.SUNDAY...Mostly cloudy. Highs 49-59. Lows 26-36. Slope winds.
.MONDAY THROUGH TUESDAY...Partly cloudy. Highs 51-61. Lows 26-36.
$$
CAZ271-040015-
Western Lassen, Eastern Plumas, and Eastern Sierra Counties-
1230 AM PST Wed Dec 3 2025
.TODAY...
* Sky/Weather........Partly cloudy.
* Chance of Thunder..0%.
* Max Temperature....
* Valleys..........37-47.
* Mid Slope........35-43.
* 24 hr trend......10 degrees cooler.
* Min Humidity.......
* Valleys..........38-48%.
* Mid Slope........37-47%.
* 24 hr trend......11% wetter.
* 20-Foot Winds......
* Valleys/Slope....Upslope 4 to 8 mph becoming east 7 to 12 mph in
the late morning and afternoon.
* Ridge Top........East winds 10 to 20 mph with gusts to 40 mph.
* Chc Wetting Rain...0%.
* Mixing Height......600-1100 ft agl increasing to 1700-2200 ft agl
in the afternoon.
* Transport Winds....East 10 to 20 mph.
* Ventilation........Fair increasing to good in the afternoon.
.TONIGHT...
* Sky/Weather........Partly cloudy then becoming clear.
* Chance of Thunder..0%.
* Min Temperature....
* Valleys..........13-23.
* Mid Slope........19-29.
* 24 hr trend......Little change.
* Max Humidity.......
* Valleys..........70-80%.
* Mid Slope........55-65%.
* 24 hr trend......15% drier.
* 20-Foot Winds......
* Valleys/Slope....Downslope 2 to 5 mph.
* Ridge Top........East winds 10 to 15 mph.
* Chc Wetting Rain...0%.
* Mixing Height......600-1100 ft agl.
* Transport Winds....East 10 to 15 mph.
* Ventilation........Fair.
.THURSDAY...
* Sky/Weather........Partly cloudy.
* Chance of Thunder..0%.
* Max Temperature....
* Valleys..........45-53.
* Mid Slope........43-51.
* Min Humidity.......
* Valleys..........31-41%.
* Mid Slope........31-41%.
* 20-Foot Winds......
* Valleys/Slope....Upslope 4 to 8 mph.
* Ridge Top........East winds 10 to 15 mph with gusts to 25 mph.
* Chc Wetting Rain...0%.
* Mixing Height......600-700 ft agl increasing to 900-1400 ft agl
in the afternoon.
* Transport Winds....Light winds.
* Ventilation........Fair.
.Extended...
.THURSDAY NIGHT...Partly cloudy. Lows 22-32. Downslope 2 to 5 mph.
.FRIDAY...Partly cloudy. Highs 48-56. Lows 22-32. Slope winds.
.SATURDAY...Partly cloudy. Slight chance of rain. Highs 47-57. Lows
25-35. Slope winds.
.SUNDAY...Partly cloudy. Highs 50-58. Lows 24-34. Slope winds.
.MONDAY...Partly cloudy. Highs 51-59. Lows 24-34.
.TUESDAY...Partly cloudy. Highs 54-62.
$$
CAZ274-040015-
Southern Mono County-
1230 AM PST Wed Dec 3 2025
.TODAY...
* Sky/Weather........Sunny.
* Chance of Thunder..0%.
* Max Temperature....
* Valleys..........34-44.
* Mid Slope........29-39.
* 24 hr trend......15 degrees cooler.
* Min Humidity.......
* Valleys..........30-40%.
* Mid Slope........34-44%.
* 24 hr trend......Little change.
* 20-Foot Winds......
* Valleys/Slope....North winds 7 to 12 mph with gusts to 20 mph.
* Ridge Top........North winds 15 to 25 mph. Gusts to 45 mph
decreasing to 30 mph late in the afternoon.
* Chc Wetting Rain...0%.
* Mixing Height......1100-1600 ft agl increasing to 1700-2200 ft
agl in the afternoon.
* Transport Winds....North 10 to 20 mph.
* Ventilation........Good increasing to very good in the afternoon.
.TONIGHT...
* Sky/Weather........Clear.
* Chance of Thunder..0%.
* Min Temperature....
* Valleys..........14-24.
* Mid Slope........14-24.
* 24 hr trend......Little change.
* Max Humidity.......
* Valleys..........58-68%.
* Mid Slope........49-59%.
* 24 hr trend......26% drier.
* 20-Foot Winds......
* Valleys/Slope....Downslope 2 to 5 mph.
* Ridge Top........North winds 10 to 15 mph. Gusts to 25 mph until
early morning.
* Chc Wetting Rain...0%.
* Mixing Height......800-1300 ft agl.
* Transport Winds....North 10 to 15 mph.
* Ventilation........Fair.
.THURSDAY...
* Sky/Weather........Sunny then becoming partly cloudy.
* Chance of Thunder..0%.
* Max Temperature....
* Valleys..........42-52.
* Mid Slope........38-48.
* Min Humidity.......
* Valleys..........18-28%.
* Mid Slope........19-29%.
* 20-Foot Winds......
* Valleys/Slope....Upslope 4 to 8 mph.
* Ridge Top........Northwest winds 10 to 15 mph.
* Chc Wetting Rain...0%.
* Mixing Height......600-900 ft agl increasing to 1100-1600 ft agl
in the afternoon.
* Transport Winds....Light winds.
* Ventilation........Fair.
.Extended...
.THURSDAY NIGHT...Partly cloudy in the evening then becoming clear.
Lows 24-34. Downslope 2 to 5 mph.
.FRIDAY...Clear. Highs 45-55. Lows 24-34. Slope winds.
.SATURDAY THROUGH SUNDAY...Clear. Highs 51-61. Lows 26-36. Slope
winds.
.MONDAY THROUGH TUESDAY...Clear. Highs 52-62. Lows 26-36.
$$
.8 to 14 day outlook for (Wed Dec 10 through Tue Dec 16)
Above normal temperatures and Near normal precipitation.
=
$$
http://weather.gov/reno