Routine Fire Wx Fcst (With/Without 6-10 Day Outlook)
Issued by NWS Reno, NV
Issued by NWS Reno, NV
466
FNUS55 KREV 191135
FWFREV
Fire Weather Planning Forecast
National Weather Service Reno NV
335 AM PST Wed Nov 19 2025
.DISCUSSION...
After some morning fog/freezing fog in valley areas, dry conditions
and light winds are in the forecast today with cool daytime highs in
the 40s and 50s. After today`s break from precipitation, more
chances for valley rain and mountain snow are expected on Thursday
into early Friday followed by another dry period over the 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
NVZ420-200015-
Northern Sierra Front including Carson City, Douglas, Storey,
Southern Washoe, Western Lyon, and Far Southern Lassen Counties-
335 AM PST Wed Nov 19 2025
.TODAY...
* Sky/Weather........Partly cloudy then becoming sunny. Areas of
fog in the morning.
* Chance of Thunder..0%.
* Max Temperature....
* Valleys..........44-54.
* Mid Slope........40-50.
* 24 hr trend......Little change.
* Min Humidity.......
* Valleys..........56-66%.
* Mid Slope........60-70%.
* 24 hr trend......6% drier.
* 20-Foot Winds......
* Valleys/Slope....Upslope 4 to 8 mph.
* Ridge Top........Light winds.
* Chc Wetting Rain...0%.
* Mixing Height......600-1000 ft agl increasing to 1700-2200 ft agl
in the afternoon.
* Transport Winds....Light winds.
* Ventilation........Fair.
.TONIGHT...
* Sky/Weather........Mostly cloudy. Slight chance of rain and snow
after midnight.
* Chance of Thunder..0%.
* Min Temperature....
* Valleys..........26-36.
* Mid Slope........29-36.
* 24 hr trend......Little change.
* Max Humidity.......
* Valleys..........89-99%.
* Mid Slope........88-98%.
* 24 hr trend......Little change.
* 20-Foot Winds......
* Valleys/Slope....Downslope 2 to 5 mph.
* Ridge Top........Light winds becoming southwest 10 to 15 mph
after midnight.
* Chc Wetting Rain...5%.
* Mixing Height......800-1300 ft agl.
* Transport Winds....Light winds.
* Ventilation........Marginal.
.THURSDAY...
* Sky/Weather........Cloudy. Chance of rain and snow.
* Chance of Thunder..0%.
* Max Temperature....
* Valleys..........40-48.
* Mid Slope........35-43.
* Min Humidity.......
* Valleys..........66-76%.
* Mid Slope........71-81%.
* 20-Foot Winds......
* Valleys/Slope....Upslope 4 to 8 mph.
* Ridge Top........Northwest winds 10 to 15 mph. Gusts to 30 mph in
the morning.
* Chc Wetting Rain...35%.
* Mixing Height......600-1100 ft agl increasing to 1400-1900 ft agl
in the afternoon.
* Transport Winds....Light winds.
* Ventilation........Fair.
.Extended...
.THURSDAY NIGHT...Mostly cloudy. Chance of snow and a slight chance
of rain. Lows 25-35. North winds 7 to 12 mph.
.FRIDAY...Partly cloudy. Highs 42-50. Lows 21-31. Slope winds.
.SATURDAY THROUGH SUNDAY...Clear. Highs 45-55. Lows 21-31. Slope
winds.
.MONDAY...Partly cloudy. Highs 49-59. Lows 24-34.
.TUESDAY...Partly cloudy. Highs 44-54.
$$
NVZ421-200015-
Southern Sierra Front including Alpine, Northern Mono, Southern
Lyon, and Western Mineral Counties-
335 AM PST Wed Nov 19 2025
.TODAY...
* Sky/Weather........Sunny. Areas of fog in the morning.
* Chance of Thunder..0%.
* Max Temperature....
* Valleys..........41-51.
* Mid Slope........36-46.
* 24 hr trend......6 degrees warmer.
* Min Humidity.......
* Valleys..........58-68%.
* Mid Slope........60-70%.
* 24 hr trend......10% drier.
* 20-Foot Winds......
* Valleys/Slope....Upslope 4 to 8 mph.
* Ridge Top........Southeast winds 10 to 15 mph until late
afternoon becoming light.
* Chc Wetting Rain...0%.
* Mixing Height......600-1000 ft agl increasing to 1500-2500 ft agl
in the afternoon.
* Transport Winds....Light winds.
* Ventilation........Fair.
.TONIGHT...
* Sky/Weather........Partly cloudy then becoming mostly cloudy.
Slight chance of snow after midnight.
* Chance of Thunder..0%.
* Min Temperature....
* Valleys..........18-28.
* Mid Slope........26-36.
* 24 hr trend......Little change.
* Max Humidity.......
* Valleys..........85-95%.
* Mid Slope........80-90%.
* 24 hr trend......Little change.
* 20-Foot Winds......
* Valleys/Slope....Downslope 2 to 5 mph becoming south 7 to 12 mph
in the late evening and early morning, then
becoming downslope 2 to 5 mph in the morning.
* Ridge Top........Light winds becoming southwest 10 to 15 mph with
gusts to 30 mph after midnight.
* Chc Wetting Rain...5%.
* Mixing Height......700-1200 ft agl.
* Transport Winds....South 10 to 15 mph.
* Ventilation........Fair.
.THURSDAY...
* Sky/Weather........Chance of snow and rain in the morning, then
snow and rain likely in the afternoon.
* Chance of Thunder..0%.
* Max Temperature....
* Valleys..........35-45.
* Mid Slope........30-40.
* Min Humidity.......
* Valleys..........70-80%.
* Mid Slope........70-80%.
* 20-Foot Winds......
* Valleys/Slope....Upslope 4 to 8 mph.
* Ridge Top........Southwest winds 10 to 20 mph. Gusts to 35 mph.
* Chc Wetting Rain...45%.
* Mixing Height......600-1100 ft agl increasing to 1300-1800 ft agl
in the afternoon.
* Transport Winds....Light winds.
* Ventilation........Fair.
.Extended...
.THURSDAY NIGHT...Snow and rain likely in the evening, then chance
of snow and rain after midnight. Lows 20-30. North winds 7 to 12 mph
until early morning becoming downslope 2 to 5 mph.
.FRIDAY...Mostly cloudy. Slight chance of snow. Highs 35-45. Lows
14-24. Slope winds.
.SATURDAY...Clear. Highs 42-52. Lows 14-24. Slope winds.
.SUNDAY...Clear. Highs 47-57. Lows 19-29. Slope winds.
.MONDAY...Clear. Highs 49-59. Lows 21-31.
.TUESDAY...Partly cloudy. Highs 45-55.
$$
CAZ272-200015-
Greater Lake Tahoe and Truckee Area-
335 AM PST Wed Nov 19 2025
.TODAY...
* Sky/Weather........Sunny then becoming partly cloudy. Areas of
freezing fog in the morning.
* Chance of Thunder..0%.
* Max Temperature....
* Valleys..........41-47.
* Mid Slope........34-44.
* 24 hr trend......Little change.
* Min Humidity.......
* Valleys..........68-78%.
* Mid Slope........65-75%.
* 24 hr trend......Little change.
* 20-Foot Winds......
* Valleys/Slope....Upslope 4 to 8 mph.
* Ridge Top........Light winds.
* Chc Wetting Rain...0%.
* Mixing Height......600-1100 ft agl increasing to 1400-1900 ft agl
in the afternoon.
* Transport Winds....Light winds.
* Ventilation........Fair.
.TONIGHT...
* Sky/Weather........Mostly cloudy. Chance of snow and rain after
midnight.
* Chance of Thunder..0%.
* Min Temperature....
* Valleys..........21-31.
* Mid Slope........22-32.
* 24 hr trend......Little change.
* Max Humidity.......
* Valleys..........94-100%.
* Mid Slope........97-100%.
* 24 hr trend......Little change.
* 20-Foot Winds......
* Valleys/Slope....Downslope 2 to 5 mph.
* Ridge Top........Southwest winds 10 to 15 mph. Gusts to 35 mph
after midnight.
* Chc Wetting Rain...15%.
* Mixing Height......800-1300 ft agl.
* Transport Winds....Southwest 10 to 15 mph increasing to 15 to 25
mph after midnight.
* Ventilation........Marginal increasing to good after midnight.
.THURSDAY...
* Sky/Weather........Chance of snow in the morning, then snow
likely in the afternoon.
* Chance of Thunder..0%.
* Max Temperature....
* Valleys..........32-37.
* Mid Slope........28-38.
* Min Humidity.......
* Valleys..........80-90%.
* Mid Slope........79-89%.
* 20-Foot Winds......
* Valleys/Slope....Upslope 4 to 8 mph.
* Ridge Top........West winds 10 to 15 mph with gusts to 40 mph.
* Chc Wetting Rain...45%.
* Mixing Height......1100-1600 ft agl.
* Transport Winds....Southwest 10 to 20 mph.
* Ventilation........Good.
.Extended...
.THURSDAY NIGHT...Mostly cloudy. Chance of snow. Lows 20-30.
Downslope 2 to 5 mph becoming northeast 9 to 14 mph in the late
evening and overnight.
.FRIDAY...Partly cloudy. Slight chance of snow. Highs 36-43. Lows
19-29. Slope winds.
.SATURDAY...Clear. Highs 41-49. Lows 19-29. Slope winds.
.SUNDAY...Clear. Highs 47-55. Lows 22-32. Slope winds.
.MONDAY THROUGH TUESDAY...Partly cloudy. Highs 44-54. Lows 22-32.
$$
NVZ423-200015-
West Humboldt Basin in Pershing County-
335 AM PST Wed Nov 19 2025
.TODAY...
* Sky/Weather........Partly cloudy. Areas of fog in the morning.
* Chance of Thunder..0%.
* Max Temperature....
* Valleys..........48-54.
* Mid Slope........44-54.
* 24 hr trend......Little change.
* Min Humidity.......
* Valleys..........39-49%.
* Mid Slope........45-55%.
* 24 hr trend......Little change.
* 20-Foot Winds......
* Valleys/Slope....Upslope 4 to 8 mph.
* Ridge Top........Light winds.
* Chc Wetting Rain...0%.
* Mixing Height......600-900 ft agl increasing to 2000-3000 ft agl
in the afternoon.
* Transport Winds....Light winds.
* Ventilation........Poor increasing to fair in the afternoon.
.TONIGHT...
* Sky/Weather........Partly cloudy then becoming mostly cloudy.
Slight chance of rain after midnight.
* Chance of Thunder..0%.
* Min Temperature....
* Valleys..........27-37.
* Mid Slope........31-38.
* 24 hr trend......Little change.
* Max Humidity.......
* Valleys..........83-93%.
* Mid Slope........75-85%.
* 24 hr trend......Little change.
* 20-Foot Winds......
* Valleys/Slope....Downslope 2 to 5 mph.
* Ridge Top........South winds 10 to 15 mph. Gusts to 25 mph in the
late evening and overnight.
* Chc Wetting Rain...5%.
* Mixing Height......1000-1500 ft agl decreasing to 600-800 ft agl
after midnight.
* Transport Winds....Light winds.
* Ventilation........Marginal.
.THURSDAY...
* Sky/Weather........Rain and snow likely in the morning, then
chance of rain and snow in the afternoon.
* Chance of Thunder..0%.
* Max Temperature....
* Valleys..........43-49.
* Mid Slope........38-48.
* Min Humidity.......
* Valleys..........64-74%.
* Mid Slope........68-78%.
* 20-Foot Winds......
* Valleys/Slope....Upslope 4 to 8 mph.
* Ridge Top........Light winds. Gusts to 20 mph in the morning.
* Chc Wetting Rain...20%.
* Mixing Height......600-900 ft agl increasing to 1000-1500 ft agl
in the afternoon.
* Transport Winds....Light winds.
* Ventilation........Marginal.
.Extended...
.THURSDAY NIGHT...Mostly cloudy. Slight chance of rain in the
evening. Lows 24-34. Downslope 2 to 5 mph becoming north 7 to 12 mph
in the late evening and overnight.
.FRIDAY...Partly cloudy. Highs 47-53. Lows 22-32. Slope winds.
.SATURDAY...Clear. Highs 47-53. Lows 22-32. Slope winds.
.SUNDAY...Partly cloudy. Highs 49-55. Lows 22-32. Slope winds.
.MONDAY...Partly cloudy. Highs 51-57. Lows 21-31.
.TUESDAY...Partly cloudy. Highs 47-53.
$$
NVZ429-200015-
Lahontan Basin including Churchill and Eastern Mineral Counties-
335 AM PST Wed Nov 19 2025
.TODAY...
* Sky/Weather........Partly cloudy. Areas of fog in the morning.
* Chance of Thunder..0%.
* Max Temperature....
* Valleys..........45-55.
* Mid Slope........41-51.
* 24 hr trend......Little change.
* Min Humidity.......
* Valleys..........49-59%.
* Mid Slope........49-59%.
* 24 hr trend......11% drier.
* 20-Foot Winds......
* Valleys/Slope....Upslope 4 to 8 mph.
* Ridge Top........Light winds.
* Chc Wetting Rain...5%.
* Mixing Height......600-1000 ft agl increasing to 2000-3000 ft agl
in the afternoon.
* Transport Winds....Light winds.
* Ventilation........Marginal increasing to fair in the afternoon.
.TONIGHT...
* Sky/Weather........Partly cloudy then becoming mostly cloudy.
* Chance of Thunder..0%.
* Min Temperature....
* Valleys..........27-37.
* Mid Slope........29-39.
* 24 hr trend......Little change.
* Max Humidity.......
* Valleys..........84-94%.
* Mid Slope........77-87%.
* 24 hr trend......Little change.
* 20-Foot Winds......
* Valleys/Slope....Downslope 2 to 5 mph.
* Ridge Top........South winds 10 to 15 mph.
* Chc Wetting Rain...5%.
* Mixing Height......1100-1600 ft agl decreasing to 600-800 ft agl
after midnight.
* Transport Winds....Light winds.
* Ventilation........Fair.
.THURSDAY...
* Sky/Weather........Chance of rain and snow in the morning, then
rain and snow likely in the afternoon.
* Chance of Thunder..0%.
* Max Temperature....
* Valleys..........38-48.
* Mid Slope........35-45.
* Min Humidity.......
* Valleys..........70-80%.
* Mid Slope........71-81%.
* 20-Foot Winds......
* Valleys/Slope....Upslope 4 to 8 mph.
* Ridge Top........Southwest winds 10 to 15 mph until late
afternoon becoming light.
* Chc Wetting Rain...35%.
* Mixing Height......600-900 ft agl increasing to 1000-1500 ft agl
in the afternoon.
* Transport Winds....Light winds.
* Ventilation........Marginal.
.Extended...
.THURSDAY NIGHT...Cloudy. Chance of rain and snow. Lows 27-37.
North winds 7 to 12 mph.
.FRIDAY...Partly cloudy. Highs 41-51. Lows 23-33. Slope winds.
.SATURDAY THROUGH SUNDAY...Clear. Highs 44-54. Lows 21-31. Slope
winds.
.MONDAY...Partly cloudy. Highs 50-58. Lows 22-32.
.TUESDAY...Partly cloudy. Highs 46-54.
$$
CAZ270-278-NVZ458-200015-
Surprise Valley California-Eastern Lassen County-
Northern Washoe County-
335 AM PST Wed Nov 19 2025
.TODAY...
* Sky/Weather........Mostly cloudy then becoming partly cloudy.
Areas of fog in the morning.
* Chance of Thunder..0%.
* Max Temperature....
* Valleys..........42-52.
* Mid Slope........41-49.
* 24 hr trend......Little change.
* Min Humidity.......
* Valleys..........57-67%.
* Mid Slope........54-64%.
* 24 hr trend......5% drier.
* 20-Foot Winds......
* Valleys/Slope....Upslope 4 to 8 mph.
* Ridge Top........South winds 10 to 15 mph.
* Chc Wetting Rain...0%.
* Mixing Height......600-1000 ft agl increasing to 2000-3000 ft agl
in the afternoon.
* Transport Winds....South 10 to 15 mph.
* Ventilation........Marginal increasing to good in the afternoon.
.TONIGHT...
* Sky/Weather........Cloudy. Chance of rain and snow after
midnight.
* Chance of Thunder..0%.
* Min Temperature....
* Valleys..........27-37.
* Mid Slope........26-36.
* 24 hr trend......Little change.
* Max Humidity.......
* Valleys..........89-99%.
* Mid Slope........91-100%.
* 24 hr trend......Little change.
* 20-Foot Winds......
* Valleys/Slope....Downslope 2 to 5 mph.
* Ridge Top........Southwest winds 10 to 15 mph.
* Chc Wetting Rain...10%.
* Mixing Height......1000-1500 ft agl decreasing to 600-1000 ft agl
after midnight.
* Transport Winds....Southwest 10 to 15 mph.
* Ventilation........Fair.
.THURSDAY...
* Sky/Weather........Snow and rain likely in the morning, then
chance of rain and snow in the afternoon.
* Chance of Thunder..0%.
* Max Temperature....
* Valleys..........38-48.
* Mid Slope........35-43.
* Min Humidity.......
* Valleys..........63-73%.
* Mid Slope........71-81%.
* 20-Foot Winds......
* Valleys/Slope....Upslope 4 to 8 mph.
* Ridge Top........West winds 10 to 15 mph.
* Chc Wetting Rain...30%.
* Mixing Height......700-1200 ft agl increasing to 1500-2000 ft agl
in the afternoon.
* Transport Winds....West 10 to 15 mph.
* Ventilation........Fair.
.Extended...
.THURSDAY NIGHT...Mostly cloudy in the evening then becoming partly
cloudy. Lows 18-28. North winds 7 to 12 mph.
.FRIDAY...Partly cloudy. Highs 42-52. Lows 18-28. Slope winds.
.SATURDAY THROUGH SUNDAY...Partly cloudy. Highs 46-56. Lows 20-30.
Slope winds.
.MONDAY...Partly cloudy. Highs 47-57. Lows 20-30.
.TUESDAY...Partly cloudy. Highs 42-52.
$$
CAZ271-200015-
Western Lassen, Eastern Plumas, and Eastern Sierra Counties-
335 AM PST Wed Nov 19 2025
.TODAY...
* Sky/Weather........Partly cloudy. Areas of fog in the morning.
* Chance of Thunder..0%.
* Max Temperature....
* Valleys..........41-49.
* Mid Slope........39-47.
* 24 hr trend......4 degrees cooler.
* Min Humidity.......
* Valleys..........64-74%.
* Mid Slope........62-72%.
* 24 hr trend......9% wetter.
* 20-Foot Winds......
* Valleys/Slope....Upslope 4 to 8 mph.
* Ridge Top........Light winds.
* Chc Wetting Rain...0%.
* Mixing Height......600-900 ft agl increasing to 1600-2600 ft agl
in the afternoon.
* Transport Winds....Light winds.
* Ventilation........Marginal increasing to fair in the afternoon.
.TONIGHT...
* Sky/Weather........Slight chance of rain in the evening, then
snow and rain likely after midnight.
* Chance of Thunder..0%.
* Min Temperature....
* Valleys..........23-33.
* Mid Slope........25-35.
* 24 hr trend......4 degrees warmer.
* Max Humidity.......
* Valleys..........94-100%.
* Mid Slope........96-100%.
* 24 hr trend......Little change.
* 20-Foot Winds......
* Valleys/Slope....Downslope 2 to 5 mph.
* Ridge Top........Southwest winds 10 to 15 mph. Gusts to 25 mph
after midnight.
* Chc Wetting Rain...30%.
* Mixing Height......700-1200 ft agl.
* Transport Winds....Southwest 10 to 15 mph.
* Ventilation........Fair.
.THURSDAY...
* Sky/Weather........Cloudy. Chance of snow and rain.
* Chance of Thunder..0%.
* Max Temperature....
* Valleys..........37-45.
* Mid Slope........34-42.
* Min Humidity.......
* Valleys..........71-81%.
* Mid Slope........74-84%.
* 20-Foot Winds......
* Valleys/Slope....Upslope 4 to 8 mph.
* Ridge Top........Southwest winds 10 to 15 mph shifting to the
west in the late morning and afternoon. Gusts
to 30 mph in the morning.
* Chc Wetting Rain...35%.
* Mixing Height......700-1200 ft agl increasing to 1500-2000 ft agl
in the afternoon.
* Transport Winds....West 10 to 15 mph.
* Ventilation........Fair.
.Extended...
.THURSDAY NIGHT...Mostly cloudy in the evening then becoming partly
cloudy. Slight chance of snow. Lows 16-26. Downslope 2 to 5 mph.
.FRIDAY...Partly cloudy. Highs 41-51. Lows 16-26. Slope winds.
.SATURDAY...Clear. Highs 46-56. Lows 18-28. Slope winds.
.SUNDAY...Clear. Highs 50-60. Lows 21-31. Slope winds.
.MONDAY...Partly cloudy. Highs 49-59. Lows 20-30.
.TUESDAY...Partly cloudy. Highs 44-54.
$$
CAZ274-200015-
Southern Mono County-
335 AM PST Wed Nov 19 2025
.TODAY...
* Sky/Weather........Partly cloudy. Areas of freezing fog in the
morning.
* Chance of Thunder..0%.
* Max Temperature....
* Valleys..........37-47.
* Mid Slope........33-43.
* 24 hr trend......5 degrees warmer.
* Min Humidity.......
* Valleys..........61-71%.
* Mid Slope........64-74%.
* 24 hr trend......9% drier.
* 20-Foot Winds......
* Valleys/Slope....Upslope 4 to 8 mph.
* Ridge Top........Light winds becoming northeast 10 to 15 mph in
the late morning and early afternoon, then
becoming light late in the afternoon.
* Chc Wetting Rain...5%.
* Mixing Height......700-1200 ft agl increasing to 1400-1900 ft agl
in the afternoon.
* Transport Winds....Light winds.
* Ventilation........Fair.
.TONIGHT...
* Sky/Weather........Partly cloudy then becoming mostly cloudy.
* Chance of Thunder..0%.
* Min Temperature....
* Valleys..........15-25.
* Mid Slope........17-27.
* 24 hr trend......Little change.
* Max Humidity.......
* Valleys..........88-98%.
* Mid Slope........79-89%.
* 24 hr trend......Little change.
* 20-Foot Winds......
* Valleys/Slope....Downslope 2 to 5 mph.
* Ridge Top........Light winds becoming southwest 10 to 15 mph with
gusts to 25 mph in the late evening and
overnight.
* Chc Wetting Rain...5%.
* Mixing Height......800-1300 ft agl.
* Transport Winds....Light winds.
* Ventilation........Marginal.
.THURSDAY...
* Sky/Weather........Slight chance of snow in the morning, then
snow likely and a chance of rain in the
afternoon.
* Chance of Thunder..0%.
* Max Temperature....
* Valleys..........33-43.
* Mid Slope........29-39.
* Min Humidity.......
* Valleys..........65-75%.
* Mid Slope........71-81%.
* 20-Foot Winds......
* Valleys/Slope....Upslope 4 to 8 mph.
* Ridge Top........Southwest winds 10 to 15 mph. Gusts to 25 mph in
the morning.
* Chc Wetting Rain...40%.
* Mixing Height......600-1100 ft agl increasing to 1300-1800 ft agl
in the afternoon.
* Transport Winds....Light winds.
* Ventilation........Fair.
.Extended...
.THURSDAY NIGHT...Snow and rain likely in the evening, then chance
of snow and rain after midnight. Lows 18-28. Downslope 2 to 5 mph
becoming north 7 to 12 mph after midnight.
.FRIDAY...Mostly cloudy. Slight chance of snow. Highs 33-43. Lows
15-25. Slope winds.
.SATURDAY...Clear. Highs 38-48. Lows 15-25. Slope winds.
.SUNDAY...Clear. Highs 43-53. Lows 19-29. Slope winds.
.MONDAY...Clear. Highs 45-55. Lows 21-31.
.TUESDAY...Partly cloudy. Highs 43-53.
$$
.8 to 14 day outlook for (Wed Nov 26 through Tue Dec 2)
Below normal temperatures and Above normal precipitation.
=
$$
http://weather.gov/reno