Routine Fire Wx Fcst (With/Without 6-10 Day Outlook)
Issued by NWS Reno, NV
Issued by NWS Reno, NV
170
FNUS55 KREV 280904
FWFREV
Fire Weather Planning Forecast
National Weather Service Reno NV
104 AM PST Fri Nov 28 2025
.DISCUSSION...
Dry conditions, above average temperatures, and valley inversions
with poor mixing/ventilation continue today. Expect ridgetop gusts
up to 45 mph today as a weak system passes to the north, with light
winds elsewhere. The next weather system arrives Saturday, which
will bring a cooling trend, and increased ridgetop winds.
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
NVZ420-290030-
Northern Sierra Front including Carson City, Douglas, Storey,
Southern Washoe, Western Lyon, and Far Southern Lassen Counties-
104 AM PST Fri Nov 28 2025
.TODAY...
* Sky/Weather........Sunny.
* Chance of Thunder..0%.
* Max Temperature....
* Valleys..........52-62.
* Mid Slope........50-60.
* 24 hr trend......4 degrees cooler.
* Min Humidity.......
* Valleys..........28-38%.
* Mid Slope........30-40%.
* 24 hr trend......5% wetter.
* 20-Foot Winds......
* Valleys/Slope....Southwest winds 7 to 12 mph until late afternoon
becoming upslope 4 to 8 mph.
* Ridge Top........West winds 15 to 25 mph. Gusts to 45 mph
decreasing to 30 mph in the afternoon.
* Chc Wetting Rain...0%.
* Mixing Height......600-900 ft agl increasing to 1800-2800 ft agl
in the afternoon.
* Transport Winds....West 10 to 15 mph.
* Ventilation........Marginal increasing to good in the afternoon.
.TONIGHT...
* Sky/Weather........Clear then becoming partly cloudy.
* Chance of Thunder..0%.
* Min Temperature....
* Valleys..........20-30.
* Mid Slope........26-33.
* 24 hr trend......7 degrees cooler.
* Max Humidity.......
* Valleys..........81-91%.
* Mid Slope........61-71%.
* 24 hr trend......29% wetter.
* 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.
.SATURDAY...
* Sky/Weather........Partly cloudy then becoming sunny.
* Chance of Thunder..0%.
* Max Temperature....
* Valleys..........45-55.
* Mid Slope........43-53.
* Min Humidity.......
* Valleys..........38-48%.
* Mid Slope........37-47%.
* 20-Foot Winds......
* Valleys/Slope....Upslope 4 to 8 mph.
* Ridge Top........Light winds becoming southeast 10 to 15 mph late
in the 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........Marginal.
.Extended...
.SATURDAY NIGHT...Partly cloudy. Lows 24-34. Downslope 2 to 5 mph.
.SUNDAY...Partly cloudy. Highs 44-54. Lows 20-30. Slope winds.
.MONDAY...Partly cloudy. Highs 42-52. Lows 20-30. Slope winds.
.TUESDAY...Partly cloudy. Highs 48-58. Lows 24-34. Slope winds.
.WEDNESDAY THROUGH THURSDAY...Partly cloudy. Highs 42-52. Lows
18-28.
$$
NVZ421-290030-
Southern Sierra Front including Alpine, Northern Mono, Southern
Lyon, and Western Mineral Counties-
104 AM PST Fri Nov 28 2025
.TODAY...
* Sky/Weather........Sunny.
* Chance of Thunder..0%.
* Max Temperature....
* Valleys..........53-63.
* Mid Slope........47-57.
* 24 hr trend......5 degrees cooler.
* Min Humidity.......
* Valleys..........21-31%.
* Mid Slope........21-31%.
* 24 hr trend......Little change.
* 20-Foot Winds......
* Valleys/Slope....Southwest winds 8 to 13 mph. Gusts to 20 mph in
the morning.
* Ridge Top........Southwest winds 15 to 25 mph with gusts to 50
mph.
* Chc Wetting Rain...0%.
* Mixing Height......600-1100 ft agl increasing to 2200-3200 ft agl
in the afternoon.
* Transport Winds....West 15 to 25 mph.
* Ventilation........Fair increasing to very good in the afternoon.
.TONIGHT...
* Sky/Weather........Clear then becoming partly cloudy.
* Chance of Thunder..0%.
* Min Temperature....
* Valleys..........21-31.
* Mid Slope........26-36.
* 24 hr trend......7 degrees cooler.
* Max Humidity.......
* Valleys..........66-76%.
* Mid Slope........45-55%.
* 24 hr trend......28% wetter.
* 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.
.SATURDAY...
* Sky/Weather........Partly cloudy then becoming sunny.
* Chance of Thunder..0%.
* Max Temperature....
* Valleys..........47-57.
* Mid Slope........43-53.
* Min Humidity.......
* Valleys..........26-36%.
* Mid Slope........25-35%.
* 20-Foot Winds......
* Valleys/Slope....Upslope 4 to 8 mph.
* Ridge Top........Southwest winds 10 to 15 mph.
* Chc Wetting Rain...0%.
* Mixing Height......600-900 ft agl increasing to 1300-1800 ft agl
in the afternoon.
* Transport Winds....Light winds.
* Ventilation........Poor increasing to fair in the afternoon.
.Extended...
.SATURDAY NIGHT...Clear in the evening then becoming partly cloudy.
Lows 23-33. Downslope 2 to 5 mph becoming southwest 7 to 12 mph
after midnight.
.SUNDAY...Partly cloudy. Highs 45-55. Lows 19-29. Slope winds.
.MONDAY...Clear. Highs 45-55. Lows 19-29. Slope winds.
.TUESDAY...Partly cloudy. Highs 49-59. Lows 21-31. Slope winds.
.WEDNESDAY THROUGH THURSDAY...Partly cloudy. Highs 40-50. Lows
16-26.
$$
CAZ272-290030-
Greater Lake Tahoe and Truckee Area-
104 AM PST Fri Nov 28 2025
.TODAY...
* Sky/Weather........Sunny.
* Chance of Thunder..0%.
* Max Temperature....
* Valleys..........49-55.
* Mid Slope........43-53.
* 24 hr trend......6 degrees cooler.
* Min Humidity.......
* Valleys..........38-48%.
* Mid Slope........38-48%.
* 24 hr trend......14% wetter.
* 20-Foot Winds......
* Valleys/Slope....Southwest winds 8 to 13 mph with gusts to 20 mph
until late afternoon becoming upslope 4 to 8
mph.
* Ridge Top........West winds 20 to 35 mph with gusts to 55 mph
decreasing to 15 to 20 mph with gusts to 30
mph late in the afternoon.
* Chc Wetting Rain...0%.
* Mixing Height......600-1000 ft agl increasing to 1400-1900 ft agl
in the afternoon.
* Transport Winds....West 15 to 25 mph.
* Ventilation........Fair increasing to good in the afternoon.
.TONIGHT...
* Sky/Weather........Clear then becoming partly cloudy.
* Chance of Thunder..0%.
* Min Temperature....
* Valleys..........21-31.
* Mid Slope........22-32.
* 24 hr trend......7 degrees cooler.
* Max Humidity.......
* Valleys..........81-91%.
* Mid Slope........56-66%.
* 24 hr trend......26% wetter.
* 20-Foot Winds......
* Valleys/Slope....Downslope 2 to 5 mph.
* Ridge Top........East winds 10 to 15 mph.
* Chc Wetting Rain...0%.
* Mixing Height......800 ft agl.
* Transport Winds....Southeast 10 to 15 mph.
* Ventilation........Marginal.
.SATURDAY...
* Sky/Weather........Partly cloudy then becoming sunny.
* Chance of Thunder..0%.
* Max Temperature....
* Valleys..........48-54.
* Mid Slope........42-52.
* Min Humidity.......
* Valleys..........35-45%.
* Mid Slope........35-45%.
* 20-Foot Winds......
* Valleys/Slope....Upslope 4 to 8 mph.
* Ridge Top........South winds 10 to 15 mph with gusts to 25 mph.
* Chc Wetting Rain...0%.
* Mixing Height......600-800 ft agl increasing to 1200-1700 ft agl
in the afternoon.
* Transport Winds....Light winds.
* Ventilation........Marginal increasing to fair in the afternoon.
.Extended...
.SATURDAY NIGHT...Clear in the evening then becoming partly cloudy.
Lows 24-34. Downslope 2 to 5 mph becoming southwest 7 to 12 mph
after midnight.
.SUNDAY...Partly cloudy. Highs 44-50. Lows 19-29. Slope winds.
.MONDAY...Partly cloudy. Highs 43-52. Lows 19-29. Slope winds.
.TUESDAY...Partly cloudy. Highs 47-53. Lows 21-31. Slope winds.
.WEDNESDAY...Partly cloudy. Highs 37-43. Lows 19-29.
.THURSDAY...Partly cloudy. Highs 40-48.
$$
NVZ423-290030-
West Humboldt Basin in Pershing County-
104 AM PST Fri Nov 28 2025
.TODAY...
* Sky/Weather........Sunny.
* Chance of Thunder..0%.
* Max Temperature....
* Valleys..........52-58.
* Mid Slope........47-57.
* 24 hr trend......Little change.
* Min Humidity.......
* Valleys..........25-35%.
* Mid Slope........29-39%.
* 24 hr trend......Little change.
* 20-Foot Winds......
* Valleys/Slope....Upslope 4 to 8 mph.
* Ridge Top........West winds 10 to 20 mph with gusts to 40 mph.
* Chc Wetting Rain...0%.
* Mixing Height......600-800 ft agl increasing to 1800-2800 ft agl
in the afternoon.
* Transport Winds....West 10 to 15 mph.
* Ventilation........Marginal increasing to good in the afternoon.
.TONIGHT...
* Sky/Weather........Clear then becoming partly cloudy.
* Chance of Thunder..0%.
* Min Temperature....
* Valleys..........19-29.
* Mid Slope........23-32.
* 24 hr trend......6 degrees cooler.
* Max Humidity.......
* Valleys..........79-89%.
* Mid Slope........57-67%.
* 24 hr trend......25% wetter.
* 20-Foot Winds......
* Valleys/Slope....North winds 7 to 12 mph until early morning
becoming downslope 2 to 5 mph.
* Ridge Top........North winds 10 to 15 mph. Gusts to 30 mph in the
evening.
* Chc Wetting Rain...0%.
* Mixing Height......800 ft agl.
* Transport Winds....Northeast 10 to 15 mph.
* Ventilation........Marginal.
.SATURDAY...
* Sky/Weather........Partly cloudy then becoming sunny.
* Chance of Thunder..0%.
* Max Temperature....
* Valleys..........46-52.
* Mid Slope........41-51.
* Min Humidity.......
* Valleys..........31-41%.
* Mid Slope........36-46%.
* 20-Foot Winds......
* Valleys/Slope....Upslope 4 to 8 mph.
* Ridge Top........Southeast winds 10 to 15 mph. Gusts to 20 mph
late in the afternoon.
* Chc Wetting Rain...0%.
* Mixing Height......600-700 ft agl increasing to 1000-1500 ft agl
in the afternoon.
* Transport Winds....Light winds.
* Ventilation........Marginal.
.Extended...
.SATURDAY NIGHT...Partly cloudy in the evening then becoming mostly
cloudy. Lows 19-29. Downslope 2 to 5 mph.
.SUNDAY...Clear. Highs 44-50. Lows 14-24. Slope winds.
.MONDAY...Partly cloudy. Highs 44-50. Lows 14-24. Slope winds.
.TUESDAY...Partly cloudy. Highs 47-53. Lows 20-30. Slope winds.
.WEDNESDAY THROUGH THURSDAY...Partly cloudy. Highs 43-50. Lows
18-28.
$$
NVZ429-290030-
Lahontan Basin including Churchill and Eastern Mineral Counties-
104 AM PST Fri Nov 28 2025
.TODAY...
* Sky/Weather........Sunny.
* Chance of Thunder..0%.
* Max Temperature....
* Valleys..........53-63.
* Mid Slope........50-60.
* 24 hr trend......Little change.
* Min Humidity.......
* Valleys..........21-31%.
* Mid Slope........22-32%.
* 24 hr trend......Little change.
* 20-Foot Winds......
* Valleys/Slope....Upslope 4 to 8 mph becoming west 7 to 12 mph in
the late morning and early afternoon, then
becoming upslope 4 to 8 mph late in the
afternoon.
* Ridge Top........West winds 15 to 25 mph. Gusts to 45 mph
decreasing to 30 mph late in the afternoon.
* Chc Wetting Rain...0%.
* Mixing Height......600-800 ft agl increasing to 2000-3000 ft agl
in the afternoon.
* Transport Winds....West 10 to 15 mph.
* Ventilation........Marginal increasing to good in the afternoon.
.TONIGHT...
* Sky/Weather........Clear then becoming partly cloudy.
* Chance of Thunder..0%.
* Min Temperature....
* Valleys..........20-30.
* Mid Slope........25-35.
* 24 hr trend......7 degrees cooler.
* Max Humidity.......
* Valleys..........75-85%.
* Mid Slope........53-63%.
* 24 hr trend......30% wetter.
* 20-Foot Winds......
* Valleys/Slope....Downslope 2 to 5 mph.
* Ridge Top........North winds 10 to 15 mph. Gusts to 30 mph until
early morning.
* Chc Wetting Rain...0%.
* Mixing Height......800 ft agl.
* Transport Winds....North 10 to 15 mph.
* Ventilation........Marginal.
.SATURDAY...
* Sky/Weather........Partly cloudy then becoming sunny.
* Chance of Thunder..0%.
* Max Temperature....
* Valleys..........46-54.
* Mid Slope........44-52.
* Min Humidity.......
* Valleys..........32-42%.
* Mid Slope........29-39%.
* 20-Foot Winds......
* Valleys/Slope....Upslope 4 to 8 mph.
* Ridge Top........Light winds becoming south 10 to 15 mph with
gusts to 20 mph in the late morning and
afternoon.
* Chc Wetting Rain...0%.
* Mixing Height......600-700 ft agl increasing to 1000-1500 ft agl
in the afternoon.
* Transport Winds....Light winds.
* Ventilation........Marginal.
.Extended...
.SATURDAY NIGHT...Clear in the evening then becoming partly cloudy.
Lows 20-30. Downslope 2 to 5 mph.
.SUNDAY...Partly cloudy. Highs 45-53. Lows 16-26. North winds 10 to
15 mph.
.MONDAY...Partly cloudy. Highs 42-50. Lows 16-26. Slope winds.
.TUESDAY...Partly cloudy. Highs 47-57. Lows 20-30. Slope winds.
.WEDNESDAY THROUGH THURSDAY...Partly cloudy. Highs 41-51. Lows
19-29.
$$
CAZ270-278-NVZ458-290030-
Surprise Valley California-Eastern Lassen County-
Northern Washoe County-
104 AM PST Fri Nov 28 2025
.TODAY...
* Sky/Weather........Sunny.
* Chance of Thunder..0%.
* Max Temperature....
* Valleys..........47-57.
* Mid Slope........42-52.
* 24 hr trend......5 degrees cooler.
* Min Humidity.......
* Valleys..........33-43%.
* Mid Slope........37-47%.
* 24 hr trend......12% wetter.
* 20-Foot Winds......
* Valleys/Slope....West winds 7 to 12 mph in the morning becoming
upslope 4 to 8 mph.
* Ridge Top........Northwest winds 15 to 25 mph with gusts to 35
mph.
* Chc Wetting Rain...0%.
* Mixing Height......600-900 ft agl increasing to 1600-2600 ft agl
in the afternoon.
* Transport Winds....West 10 to 15 mph.
* Ventilation........Marginal increasing to good in the afternoon.
.TONIGHT...
* Sky/Weather........Partly cloudy.
* Chance of Thunder..0%.
* Min Temperature....
* Valleys..........19-29.
* Mid Slope........21-31.
* 24 hr trend......4 degrees cooler.
* Max Humidity.......
* Valleys..........83-93%.
* Mid Slope........73-83%.
* 24 hr trend......15% wetter.
* 20-Foot Winds......
* Valleys/Slope....Downslope 2 to 5 mph.
* Ridge Top........Northeast winds 10 to 15 mph.
* Chc Wetting Rain...0%.
* Mixing Height......800 ft agl.
* Transport Winds....Northeast 10 to 15 mph.
* Ventilation........Marginal.
.SATURDAY...
* Sky/Weather........Mostly cloudy then becoming sunny.
* Chance of Thunder..0%.
* Max Temperature....
* Valleys..........43-53.
* Mid Slope........41-49.
* Min Humidity.......
* Valleys..........36-46%.
* Mid Slope........36-46%.
* 20-Foot Winds......
* Valleys/Slope....Upslope 4 to 8 mph.
* Ridge Top........Southeast winds 10 to 15 mph with gusts to 25
mph.
* Chc Wetting Rain...0%.
* Mixing Height......600-800 ft agl increasing to 1100-1600 ft agl
in the afternoon.
* Transport Winds....Southeast 10 to 15 mph.
* Ventilation........Marginal increasing to fair in the afternoon.
.Extended...
.SATURDAY NIGHT...Partly cloudy. Lows 19-29. Downslope 2 to 5 mph.
.SUNDAY...Partly cloudy. Highs 41-51. Lows 18-28. Slope winds.
.MONDAY...Partly cloudy. Highs 42-52. Lows 18-28. Slope winds.
.TUESDAY...Partly cloudy. Highs 46-56. Lows 21-31. Slope winds.
.WEDNESDAY THROUGH THURSDAY...Partly cloudy. Highs 41-51. Lows
19-29.
$$
CAZ271-290030-
Western Lassen, Eastern Plumas, and Eastern Sierra Counties-
104 AM PST Fri Nov 28 2025
.TODAY...
* Sky/Weather........Sunny.
* Chance of Thunder..0%.
* Max Temperature....
* Valleys..........47-57.
* Mid Slope........46-56.
* 24 hr trend......6 degrees cooler.
* Min Humidity.......
* Valleys..........33-43%.
* Mid Slope........32-42%.
* 24 hr trend......19% wetter.
* 20-Foot Winds......
* Valleys/Slope....Upslope 4 to 8 mph.
* Ridge Top........West winds 10 to 15 mph. Gusts to 45 mph
decreasing to 25 mph in the afternoon.
* Chc Wetting Rain...0%.
* Mixing Height......600-800 ft agl increasing to 1500-2500 ft agl
in the afternoon.
* Transport Winds....West 10 to 15 mph.
* Ventilation........Marginal increasing to good in the afternoon.
.TONIGHT...
* Sky/Weather........Partly cloudy.
* Chance of Thunder..0%.
* Min Temperature....
* Valleys..........17-27.
* Mid Slope........22-32.
* 24 hr trend......Little change.
* Max Humidity.......
* Valleys..........79-89%.
* Mid Slope........66-76%.
* 24 hr trend......13% wetter.
* 20-Foot Winds......
* Valleys/Slope....Downslope 2 to 5 mph.
* Ridge Top........Light winds becoming southeast 10 to 15 mph
after midnight.
* Chc Wetting Rain...0%.
* Mixing Height......800 ft agl.
* Transport Winds....East 10 to 15 mph.
* Ventilation........Marginal.
.SATURDAY...
* Sky/Weather........Partly cloudy then becoming sunny.
* Chance of Thunder..0%.
* Max Temperature....
* Valleys..........47-55.
* Mid Slope........44-52.
* Min Humidity.......
* Valleys..........36-46%.
* Mid Slope........37-47%.
* 20-Foot Winds......
* Valleys/Slope....Upslope 4 to 8 mph.
* Ridge Top........Light winds becoming south 10 to 15 mph late in
the afternoon.
* Chc Wetting Rain...0%.
* Mixing Height......600-700 ft agl increasing to 1000-1500 ft agl
in the afternoon.
* Transport Winds....Southeast 10 to 15 mph.
* Ventilation........Fair.
.Extended...
.SATURDAY NIGHT...Partly cloudy. Lows 19-29. Downslope 2 to 5 mph.
.SUNDAY...Partly cloudy. Highs 44-52. Lows 17-27. Slope winds.
.MONDAY...Partly cloudy. Highs 44-54. Lows 17-27. Slope winds.
.TUESDAY...Partly cloudy. Highs 48-56. Lows 19-29. Slope winds.
.WEDNESDAY...Partly cloudy. Highs 41-49. Lows 18-28.
.THURSDAY...Sunny. Highs 45-53.
$$
CAZ274-290030-
Southern Mono County-
104 AM PST Fri Nov 28 2025
.TODAY...
* Sky/Weather........Partly cloudy then becoming sunny.
* Chance of Thunder..0%.
* Max Temperature....
* Valleys..........48-58.
* Mid Slope........45-55.
* 24 hr trend......Little change.
* Min Humidity.......
* Valleys..........19-29%.
* Mid Slope........22-32%.
* 24 hr trend......Little change.
* 20-Foot Winds......
* Valleys/Slope....West winds 8 to 13 mph.
* Ridge Top........West winds 15 to 25 mph. Gusts to 45 mph
decreasing to 30 mph late in the afternoon.
* Chc Wetting Rain...0%.
* Mixing Height......600-1100 ft agl increasing to 1600-2100 ft agl
in the afternoon.
* Transport Winds....West 10 to 15 mph increasing to 15 to 25 mph
in the afternoon.
* Ventilation........Fair increasing to very good in the afternoon.
.TONIGHT...
* Sky/Weather........Clear then becoming partly cloudy.
* Chance of Thunder..0%.
* Min Temperature....
* Valleys..........21-31.
* Mid Slope........21-31.
* 24 hr trend......4 degrees cooler.
* Max Humidity.......
* Valleys..........70-80%.
* Mid Slope........50-60%.
* 24 hr trend......19% wetter.
* 20-Foot Winds......
* Valleys/Slope....Downslope 2 to 5 mph.
* Ridge Top........Northwest winds 10 to 15 mph.
* Chc Wetting Rain...0%.
* Mixing Height......600-1100 ft agl.
* Transport Winds....Northwest 10 to 15 mph.
* Ventilation........Fair.
.SATURDAY...
* Sky/Weather........Partly cloudy then becoming sunny.
* Chance of Thunder..0%.
* Max Temperature....
* Valleys..........46-56.
* Mid Slope........42-52.
* Min Humidity.......
* Valleys..........29-39%.
* Mid Slope........31-41%.
* 20-Foot Winds......
* Valleys/Slope....Upslope 4 to 8 mph.
* Ridge Top........Southwest winds 10 to 15 mph.
* Chc Wetting Rain...0%.
* Mixing Height......600-1000 ft agl increasing to 1400-1900 ft agl
in the afternoon.
* Transport Winds....Light winds.
* Ventilation........Fair.
.Extended...
.SATURDAY NIGHT...Clear in the evening then becoming partly cloudy.
Lows 23-33. Downslope 2 to 5 mph becoming southwest 7 to 12 mph
after midnight.
.SUNDAY...Partly cloudy. Highs 45-55. Lows 19-29. Slope winds.
.MONDAY THROUGH TUESDAY...Partly cloudy. Highs 46-56. Lows 19-29.
Slope winds.
.WEDNESDAY THROUGH THURSDAY...Partly cloudy. Highs 39-49. Lows
18-28.
$$
.8 to 14 day outlook for (Fri Dec 5 through Thu Dec 11)
Above normal temperatures and precipitation.
=
$$
http://weather.gov/reno