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

Home |  Current Version |  Previous Version |  Text Only |  Print | Product List |  Glossary On
Versions: 1 2 3 4 5 6 7
341
FNUS55 KREV 232112
FWFREV

Fire Weather Planning Forecast
National Weather Service Reno NV
212 PM PDT Sun Aug 23 2026

.DISCUSSION...

Seasonably warm, dry, and breezy conditions prevail for the upcoming
week. Precipitation chances will be limited this week with the
exception of Monday which could see low chances (10-20%) for showers
and isolated thunderstorms across NE California and NW Nevada. Otherwise
expect typical westerly winds in the afternoon with gusts of 20-25
mph through Tuesday. Gusty conditions with elevated to critical fire
weather concerns are possible after midweek.


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

NVZ420-241415-
Northern Sierra Front including Carson City, Douglas, Storey,
Southern Washoe, Western Lyon, and Far Southern Lassen Counties-
212 PM PDT Sun Aug 23 2026

.TONIGHT...
* Sky/Weather........Partly cloudy. Patchy smoke.
* Chance of Thunder..0%.
* Chc Wetting Rain...5%.
* Min Temperature....
*   Valleys..........52-62.
*   Mid Slope........56-66.
*   24 hr trend......Little change.
* Max Humidity.......
*   Valleys..........47-57%.
*   Mid Slope........33-43%.
*   24 hr trend......4% wetter.
* 20-Foot Winds......
*   Valleys/Slope....West winds 7 to 12 mph with gusts to 20 mph in
                     the evening becoming downslope 2 to 5 mph.
*   Ridge Top........Southwest winds 10 to 15 mph with gusts to 25
                     mph.
* Mixing Height......4800-5800 ft agl in the evening then 200-500
                     ft agl.
* Transport Winds....West 10 to 15 mph.
* Ventilation........Excellent decreasing to poor after midnight.

.MONDAY...
* Sky/Weather........Partly cloudy. Patchy smoke. Slight chance of
                     thunderstorms in the afternoon.
* Chance of Thunder..10%.
* Chc Wetting Rain...5%.
* Max Temperature....
*   Valleys..........83-93.
*   Mid Slope........81-91.
*   24 hr trend......Little change.
* Min Humidity.......
*   Valleys..........11-21%.
*   Mid Slope........17-27%.
*   24 hr trend......Little change.
* 20-Foot Winds......
*   Valleys/Slope....Upslope 4 to 8 mph becoming southwest 9 to 15
                     mph with gusts to 25 mph in the afternoon.
*   Ridge Top........Southwest winds 10 to 15 mph with gusts to 25
                     mph.
* Mixing Height......2100-3100 ft agl increasing to 8300-9300 ft
                     agl in the afternoon.
* Transport Winds....Light winds becoming southwest 15 to 25 mph in
                     the afternoon.
* Ventilation........Good increasing to excellent in the afternoon.

.MONDAY NIGHT...
* Sky/Weather........Clear. Smoke in the evening. Patchy smoke
                     after midnight.
* Chance of Thunder..0%.
* Chc Wetting Rain...5%.
* Min Temperature....
*   Valleys..........50-60.
*   Mid Slope........54-64.
* Max Humidity.......
*   Valleys..........50-60%.
*   Mid Slope........37-47%.
* 20-Foot Winds......
*   Valleys/Slope....Southwest winds 9 to 15 mph with gusts to 25 mph
                     in the evening becoming downslope 2 to 5 mph.
*   Ridge Top........Southwest winds 10 to 15 mph with gusts to 35
                     mph.
* Mixing Height......5000-6000 ft agl in the evening then 200-500
                     ft agl.
* Transport Winds....West 10 to 15 mph.
* Ventilation........Excellent decreasing to poor after midnight.

.TUESDAY...
* Sky/Weather........Partly cloudy.
* Chance of Thunder..0%.
* Chc Wetting Rain...0%.
* Max Temperature....
*   Valleys..........84-94.
*   Mid Slope........81-91.
* Min Humidity.......
*   Valleys..........9-19%.
*   Mid Slope........16-26%.
* 20-Foot Winds......
*   Valleys/Slope....Upslope 4 to 8 mph becoming south 9 to 14 mph
                     with gusts to 25 mph in the afternoon.
*   Ridge Top........South winds 10 to 20 mph with gusts to 30 mph.
* Mixing Height......200-500 ft agl then 7500-8500 ft agl in the
                     afternoon.
* Transport Winds....Light winds becoming southwest 10 to 20 mph in
                     the afternoon.
* Ventilation........Poor increasing to excellent in the afternoon.


.Extended...
.TUESDAY NIGHT...Partly cloudy. Lows 51-61. Southwest winds 10 to
17 mph becoming downslope 2 to 5 mph.
.WEDNESDAY THROUGH THURSDAY...Partly cloudy. Highs 85-95. Lows
49-59. Southwest winds 10 to 15 mph.
.FRIDAY...Partly cloudy. Highs 81-91. Lows 46-56. Southwest winds
10 to 15 mph.
.SATURDAY THROUGH SUNDAY...Clear. Highs 81-91. Lows 45-55.

$$

NVZ421-241415-
Southern Sierra Front including Alpine, Northern Mono, Southern
Lyon, and Western Mineral Counties-
212 PM PDT Sun Aug 23 2026

.TONIGHT...
* Sky/Weather........Mostly cloudy then becoming partly cloudy.
* Chance of Thunder..0%.
* Chc Wetting Rain...5%.
* Min Temperature....
*   Valleys..........46-56.
*   Mid Slope........57-67.
*   24 hr trend......Little change.
* Max Humidity.......
*   Valleys..........45-55%.
*   Mid Slope........33-43%.
*   24 hr trend......6% drier.
* 20-Foot Winds......
*   Valleys/Slope....Southwest winds 9 to 14 mph with gusts to 25 mph
                     in the evening becoming downslope 2 to 5 mph.
*   Ridge Top........Southwest winds 10 to 15 mph with gusts to 30
                     mph.
* Mixing Height......5100-6100 ft agl decreasing to 600 ft agl
                     after midnight.
* Transport Winds....Southwest 10 to 15 mph.
* Ventilation........Excellent decreasing to poor after midnight.

.MONDAY...
* Sky/Weather........Partly cloudy.
* Chance of Thunder..0%.
* Chc Wetting Rain...5%.
* Max Temperature....
*   Valleys..........82-92.
*   Mid Slope........75-85.
*   24 hr trend......Little change.
* Min Humidity.......
*   Valleys..........14-24%.
*   Mid Slope........15-25%.
*   24 hr trend......Little change.
* 20-Foot Winds......
*   Valleys/Slope....Upslope 4 to 8 mph becoming southwest 9 to 16
                     mph with gusts to 30 mph in the late morning
                     and afternoon.
*   Ridge Top........Southwest winds 10 to 20 mph with gusts to 35
                     mph.
* Mixing Height......2500-3500 ft agl increasing to 10700-11700 ft
                     agl in the afternoon.
* Transport Winds....South 10 to 15 mph shifting to the southwest
                     15 to 25 mph in the afternoon.
* Ventilation........Very good increasing to excellent in the
                     afternoon.

.MONDAY NIGHT...
* Sky/Weather........Partly cloudy.
* Chance of Thunder..0%.
* Chc Wetting Rain...0%.
* Min Temperature....
*   Valleys..........46-56.
*   Mid Slope........57-67.
* Max Humidity.......
*   Valleys..........49-59%.
*   Mid Slope........34-44%.
* 20-Foot Winds......
*   Valleys/Slope....Southwest winds 9 to 16 mph with gusts to 30 mph
                     becoming downslope 2 to 5 mph.
*   Ridge Top........Southwest winds 20 to 30 mph with gusts to 45
                     mph.
* Mixing Height......5500-6500 ft agl decreasing to 600 ft agl
                     after midnight.
* Transport Winds....Southwest 10 to 20 mph.
* Ventilation........Excellent decreasing to poor after midnight.

.TUESDAY...
* Sky/Weather........Partly cloudy.
* Chance of Thunder..0%.
* Chc Wetting Rain...5%.
* Max Temperature....
*   Valleys..........82-92.
*   Mid Slope........76-86.
* Min Humidity.......
*   Valleys..........15-25%.
*   Mid Slope........15-25%.
* 20-Foot Winds......
*   Valleys/Slope....Upslope 4 to 8 mph becoming southwest 7 to 12
                     mph with gusts to 25 mph late in the
                     afternoon.
*   Ridge Top........Southwest winds 15 to 25 mph with gusts to 35
                     mph.
* Mixing Height......600-1000 ft agl increasing to 9400-10400 ft
                     agl in the afternoon.
* Transport Winds....Southwest 10 to 20 mph.
* Ventilation........Marginal increasing to excellent in the
                     afternoon.


.Extended...
.TUESDAY NIGHT...Partly cloudy. Lows 46-56. Southwest winds 9 to
15 mph becoming downslope 2 to 5 mph.
.WEDNESDAY THROUGH FRIDAY...Partly cloudy. Highs 81-91. Lows 42-52.
Southwest winds 10 to 15 mph.
.SATURDAY THROUGH SUNDAY...Clear. Highs 80-90. Lows 41-51.

$$

CAZ272-241415-
Greater Lake Tahoe and Truckee Area-
212 PM PDT Sun Aug 23 2026

.TONIGHT...
* Sky/Weather........Mostly cloudy.
* Chance of Thunder..0%.
* Chc Wetting Rain...0%.
* Min Temperature....
*   Valleys..........47-57.
*   Mid Slope........51-61.
*   24 hr trend......Little change.
* Max Humidity.......
*   Valleys..........66-76%.
*   Mid Slope........40-50%.
*   24 hr trend......Little change.
* 20-Foot Winds......
*   Valleys/Slope....Southwest winds 7 to 12 mph in the evening
                     becoming downslope 2 to 5 mph.
*   Ridge Top........Southwest winds 10 to 20 mph with gusts to 35
                     mph.
* Mixing Height......2800-3800 ft agl decreasing to 600 ft agl
                     after midnight.
* Transport Winds....Southwest 15 to 25 mph in the evening becoming
                     light.
* Ventilation........Excellent decreasing to poor after midnight.

.MONDAY...
* Sky/Weather........Partly cloudy.
* Chance of Thunder..0%.
* Chc Wetting Rain...0%.
* Max Temperature....
*   Valleys..........72-82.
*   Mid Slope........70-80.
*   24 hr trend......Little change.
* Min Humidity.......
*   Valleys..........23-33%.
*   Mid Slope........25-35%.
*   24 hr trend......Little change.
* 20-Foot Winds......
*   Valleys/Slope....Upslope 4 to 8 mph becoming southwest 9 to 14
                     mph in the afternoon.
*   Ridge Top........Southwest winds 10 to 20 mph with gusts to 35
                     mph.
* Mixing Height......2100-3100 ft agl increasing to 6700-7700 ft
                     agl in the afternoon.
* Transport Winds....South 10 to 15 mph shifting to the southwest
                     15 to 25 mph in the afternoon.
* Ventilation........Very good increasing to excellent in the
                     afternoon.

.MONDAY NIGHT...
* Sky/Weather........Clear then becoming partly cloudy.
* Chance of Thunder..0%.
* Chc Wetting Rain...0%.
* Min Temperature....
*   Valleys..........46-56.
*   Mid Slope........49-59.
* Max Humidity.......
*   Valleys..........68-78%.
*   Mid Slope........45-55%.
* 20-Foot Winds......
*   Valleys/Slope....Southwest winds 8 to 13 mph in the evening
                     becoming downslope 2 to 5 mph.
*   Ridge Top........Southwest winds 10 to 20 mph increasing to 20 to
                     30 mph after midnight. Gusts to 40 mph
                     increasing to 45 mph after midnight.
* Mixing Height......3600-4600 ft agl decreasing to 600 ft agl
                     after midnight.
* Transport Winds....Southwest 15 to 25 mph in the evening becoming
                     light.
* Ventilation........Excellent decreasing to poor after midnight.

.TUESDAY...
* Sky/Weather........Mostly cloudy then becoming partly cloudy.
* Chance of Thunder..0%.
* Chc Wetting Rain...0%.
* Max Temperature....
*   Valleys..........72-82.
*   Mid Slope........70-80.
* Min Humidity.......
*   Valleys..........22-32%.
*   Mid Slope........24-34%.
* 20-Foot Winds......
*   Valleys/Slope....Upslope 4 to 8 mph becoming southwest 9 to 14
                     mph in the afternoon.
*   Ridge Top........Southwest winds 10 to 20 mph with gusts to 40
                     mph.
* Mixing Height......700 ft agl increasing to 6700-7700 ft agl in
                     the afternoon.
* Transport Winds....Light winds becoming southwest 15 to 25 mph in
                     the afternoon.
* Ventilation........Poor increasing to excellent in the afternoon.


.Extended...
.TUESDAY NIGHT...Partly cloudy. Lows 46-56. Southwest winds 9 to
14 mph in the evening becoming downslope 2 to 5 mph.
.WEDNESDAY THROUGH FRIDAY...Partly cloudy. Highs 71-81. Lows 41-51.
Southwest winds 8 to 13 mph.
.SATURDAY THROUGH SUNDAY...Clear. Highs 70-80. Lows 40-50.

$$

NVZ423-241415-
West Humboldt Basin in Pershing County-
212 PM PDT Sun Aug 23 2026

.TONIGHT...
* Sky/Weather........Mostly cloudy. Patchy smoke in the evening.
* Chance of Thunder..0%.
* Chc Wetting Rain...5%.
* Min Temperature....
*   Valleys..........58-68.
*   Mid Slope........61-70.
*   24 hr trend......Little change.
* Max Humidity.......
*   Valleys..........37-47%.
*   Mid Slope........29-39%.
*   24 hr trend......6% wetter.
* 20-Foot Winds......
*   Valleys/Slope....West winds 5 to 10 mph with gusts to 20 mph in
                     the evening becoming downslope 2 to 5 mph.
*   Ridge Top........West winds 10 to 15 mph.
* Mixing Height......5300-6300 ft agl in the evening then 200-500
                     ft agl.
* Transport Winds....West 10 to 15 mph.
* Ventilation........Excellent decreasing to poor after midnight.

.MONDAY...
* Sky/Weather........Mostly cloudy then becoming partly cloudy.
                     Slight chance of showers in the afternoon.
* Chance of Thunder..0%.
* Chc Wetting Rain...5%.
* Max Temperature....
*   Valleys..........91-97.
*   Mid Slope........85-95.
*   24 hr trend......Little change.
* Min Humidity.......
*   Valleys..........13-19%.
*   Mid Slope........15-20%.
*   24 hr trend......Little change.
* 20-Foot Winds......
*   Valleys/Slope....Upslope 4 to 8 mph becoming southwest 9 to 14
                     mph in the afternoon.
*   Ridge Top........Southwest winds 10 to 15 mph.
* Mixing Height......1600-2600 ft agl increasing to 10100-11100 ft
                     agl in the afternoon.
* Transport Winds....Southwest 10 to 20 mph.
* Ventilation........Fair increasing to excellent in the afternoon.

.MONDAY NIGHT...
* Sky/Weather........Partly cloudy then becoming clear. Patchy
                     smoke in the evening. Slight chance of showers
                     in the evening.
* Chance of Thunder..0%.
* Chc Wetting Rain...5%.
* Min Temperature....
*   Valleys..........56-66.
*   Mid Slope........58-67.
* Max Humidity.......
*   Valleys..........42-52%.
*   Mid Slope........31-41%.
* 20-Foot Winds......
*   Valleys/Slope....West winds 9 to 14 mph in the evening becoming
                     downslope 2 to 5 mph.
*   Ridge Top........Northwest winds 10 to 15 mph. Gusts to 25 mph
                     until early morning.
* Mixing Height......5600-6600 ft agl in the evening then 200-500
                     ft agl.
* Transport Winds....West 10 to 15 mph.
* Ventilation........Excellent decreasing to poor after midnight.

.TUESDAY...
* Sky/Weather........Partly cloudy.
* Chance of Thunder..0%.
* Chc Wetting Rain...0%.
* Max Temperature....
*   Valleys..........91-97.
*   Mid Slope........85-95.
* Min Humidity.......
*   Valleys..........13-19%.
*   Mid Slope........13-19%.
* 20-Foot Winds......
*   Valleys/Slope....Upslope 4 to 8 mph becoming southwest 7 to 12
                     mph with gusts to 20 mph late in the
                     afternoon.
*   Ridge Top........Northwest winds 10 to 15 mph.
* Mixing Height......200-500 ft agl then 7500-8500 ft agl in the
                     afternoon.
* Transport Winds....Light winds becoming southwest 10 to 15 mph in
                     the afternoon.
* Ventilation........Poor increasing to excellent in the afternoon.


.Extended...
.TUESDAY NIGHT...Partly cloudy in the evening then becoming mostly
cloudy. Lows 58-68. Southwest winds 7 to 12 mph in the evening
becoming downslope 2 to 5 mph.
.WEDNESDAY THROUGH FRIDAY...Partly cloudy. Highs 88-98. Lows 52-62.
Southwest winds 10 to 15 mph.
.SATURDAY THROUGH SUNDAY...Clear. Highs 86-93. Lows 52-62.

$$

NVZ429-241415-
Lahontan Basin including Churchill and Eastern Mineral Counties-
212 PM PDT Sun Aug 23 2026

.TONIGHT...
* Sky/Weather........Mostly cloudy. Slight chance of thunderstorms
                     in the evening. Patchy smoke after midnight.
* Chance of Thunder..10%.
* Chc Wetting Rain...5%.
* Min Temperature....
*   Valleys..........55-65.
*   Mid Slope........60-70.
*   24 hr trend......Little change.
* Max Humidity.......
*   Valleys..........46-56%.
*   Mid Slope........33-43%.
*   24 hr trend......Little change.
* 20-Foot Winds......
*   Valleys/Slope....West winds 8 to 13 mph in the evening becoming
                     downslope 2 to 5 mph.
*   Ridge Top........West winds 10 to 15 mph.
* Mixing Height......5500-6500 ft agl in the evening then 200-500
                     ft agl.
* Transport Winds....West 10 to 15 mph.
* Ventilation........Excellent decreasing to poor after midnight.

.MONDAY...
* Sky/Weather........Partly cloudy. Patchy smoke. Slight chance of
                     showers in the afternoon.
* Chance of Thunder..0%.
* Chc Wetting Rain...5%.
* Max Temperature....
*   Valleys..........88-98.
*   Mid Slope........84-94.
*   24 hr trend......Little change.
* Min Humidity.......
*   Valleys..........13-22%.
*   Mid Slope........14-20%.
*   24 hr trend......Little change.
* 20-Foot Winds......
*   Valleys/Slope....Upslope 4 to 8 mph becoming southwest 7 to 12
                     mph with gusts to 20 mph late in the
                     afternoon.
*   Ridge Top........Southwest winds 10 to 15 mph.
* Mixing Height......1600-2600 ft agl increasing to 10200-11200 ft
                     agl in the afternoon.
* Transport Winds....Light winds becoming southwest 10 to 15 mph in
                     the afternoon.
* Ventilation........Fair increasing to excellent in the afternoon.

.MONDAY NIGHT...
* Sky/Weather........Partly cloudy. Patchy smoke after midnight.
* Chance of Thunder..0%.
* Chc Wetting Rain...5%.
* Min Temperature....
*   Valleys..........54-64.
*   Mid Slope........60-70.
* Max Humidity.......
*   Valleys..........47-57%.
*   Mid Slope........32-42%.
* 20-Foot Winds......
*   Valleys/Slope....West winds 9 to 14 mph in the evening becoming
                     downslope 2 to 5 mph.
*   Ridge Top........Light winds becoming southwest 10 to 15 mph
                     after midnight. Gusts to 25 mph until early
                     morning.
* Mixing Height......5700-6700 ft agl in the evening then 200-500
                     ft agl.
* Transport Winds....West 10 to 15 mph.
* Ventilation........Excellent decreasing to poor after midnight.

.TUESDAY...
* Sky/Weather........Partly cloudy.
* Chance of Thunder..0%.
* Chc Wetting Rain...0%.
* Max Temperature....
*   Valleys..........88-98.
*   Mid Slope........84-94.
* Min Humidity.......
*   Valleys..........13-22%.
*   Mid Slope........14-20%.
* 20-Foot Winds......
*   Valleys/Slope....Upslope 4 to 8 mph.
*   Ridge Top........West winds 10 to 15 mph. Gusts to 20 mph in the
                     morning.
* Mixing Height......600 ft agl increasing to 7600-8600 ft agl in
                     the afternoon.
* Transport Winds....Light winds becoming southwest 10 to 15 mph in
                     the afternoon.
* Ventilation........Poor increasing to excellent in the afternoon.


.Extended...
.TUESDAY NIGHT...Mostly cloudy. Lows 56-66. West winds 7 to 12 mph
until early morning becoming downslope 2 to 5 mph.
.WEDNESDAY THROUGH FRIDAY...Partly cloudy. Highs 86-96. Lows 52-62.
West winds 10 to 15 mph.
.SATURDAY THROUGH SUNDAY...Clear. Highs 84-94. Lows 51-61.

$$

CAZ270-278-NVZ458-241415-
Surprise Valley California-Eastern Lassen County-
Northern Washoe County-
212 PM PDT Sun Aug 23 2026

.TONIGHT...
* Sky/Weather........Partly cloudy.
* Chance of Thunder..0%.
* Chc Wetting Rain...0%.
* Min Temperature....
*   Valleys..........48-58.
*   Mid Slope........55-65.
*   24 hr trend......5 degrees warmer.
* Max Humidity.......
*   Valleys..........35-45%.
*   Mid Slope........24-34%.
*   24 hr trend......Little change.
* 20-Foot Winds......
*   Valleys/Slope....Southwest winds 9 to 15 mph with gusts to 25 mph
                     becoming downslope 2 to 5 mph.
*   Ridge Top........West winds 10 to 15 mph.
* Mixing Height......5000-6000 ft agl in the evening then 200-500
                     ft agl.
* Transport Winds....West 10 to 15 mph.
* Ventilation........Excellent decreasing to poor after midnight.

.MONDAY...
* Sky/Weather........Mostly cloudy then becoming partly cloudy.
                     Slight chance of thunderstorms in the
                     afternoon.
* Chance of Thunder..10%.
* Chc Wetting Rain...5%.
* Max Temperature....
*   Valleys..........84-94.
*   Mid Slope........81-89.
*   24 hr trend......Little change.
* Min Humidity.......
*   Valleys..........13-23%.
*   Mid Slope........16-24%.
*   24 hr trend......8% wetter.
* 20-Foot Winds......
*   Valleys/Slope....Upslope 4 to 8 mph becoming southwest 12 to 18
                     mph with gusts to 30 mph.
*   Ridge Top........Southwest winds 10 to 20 mph with gusts to 30
                     mph.
* Mixing Height......1800-2800 ft agl increasing to 9200-10200 ft
                     agl in the afternoon.
* Transport Winds....Light winds becoming south 15 to 25 mph in the
                     afternoon.
* Ventilation........Good increasing to excellent in the afternoon.

.MONDAY NIGHT...
* Sky/Weather........Clear.
* Chance of Thunder..0%.
* Chc Wetting Rain...5%.
* Min Temperature....
*   Valleys..........46-56.
*   Mid Slope........52-62.
* Max Humidity.......
*   Valleys..........47-57%.
*   Mid Slope........38-48%.
* 20-Foot Winds......
*   Valleys/Slope....Southwest winds 10 to 17 mph with gusts to 25
                     mph becoming downslope 2 to 5 mph.
*   Ridge Top........Southwest winds 10 to 15 mph with gusts to 30
                     mph.
* Mixing Height......4600-5600 ft agl in the evening then 200-500
                     ft agl.
* Transport Winds....Southwest 10 to 20 mph.
* Ventilation........Excellent decreasing to poor after midnight.

.TUESDAY...
* Sky/Weather........Partly cloudy.
* Chance of Thunder..0%.
* Chc Wetting Rain...0%.
* Max Temperature....
*   Valleys..........85-95.
*   Mid Slope........81-89.
* Min Humidity.......
*   Valleys..........10-20%.
*   Mid Slope........14-20%.
* 20-Foot Winds......
*   Valleys/Slope....Upslope 4 to 8 mph becoming south 9 to 17 mph
                     with gusts to 30 mph in the afternoon.
*   Ridge Top........South winds 10 to 20 mph with gusts to 35 mph.
* Mixing Height......200-500 ft agl then 7500-8500 ft agl in the
                     afternoon.
* Transport Winds....Light winds becoming southwest 15 to 25 mph in
                     the afternoon.
* Ventilation........Poor increasing to excellent in the afternoon.


.Extended...
.TUESDAY NIGHT...Partly cloudy. Lows 46-56. Southwest winds 12 to
18 mph becoming downslope 2 to 5 mph.
.WEDNESDAY THROUGH THURSDAY...Partly cloudy. Highs 86-96. Lows
44-54. Southwest winds 10 to 15 mph.
.FRIDAY...Clear. Highs 83-93. Lows 41-51. Southwest winds 10 to
15 mph.
.SATURDAY THROUGH SUNDAY...Clear. Highs 82-92. Lows 40-50.

$$

CAZ271-241415-
Western Lassen, Eastern Plumas, and Eastern Sierra Counties-
212 PM PDT Sun Aug 23 2026

.TONIGHT...
* Sky/Weather........Partly cloudy then becoming mostly cloudy.
* Chance of Thunder..0%.
* Chc Wetting Rain...0%.
* Min Temperature....
*   Valleys..........42-52.
*   Mid Slope........53-63.
*   24 hr trend......5 degrees warmer.
* Max Humidity.......
*   Valleys..........52-62%.
*   Mid Slope........36-46%.
*   24 hr trend......Little change.
* 20-Foot Winds......
*   Valleys/Slope....Southwest winds 8 to 13 mph in the evening
                     becoming downslope 2 to 5 mph.
*   Ridge Top........South winds 10 to 15 mph with gusts to 25 mph.
* Mixing Height......3900-4900 ft agl in the evening then 200-500
                     ft agl.
* Transport Winds....Southwest 10 to 20 mph.
* Ventilation........Excellent decreasing to poor after midnight.

.MONDAY...
* Sky/Weather........Mostly cloudy then becoming sunny. Patchy
                     smoke. Slight chance of thunderstorms in the
                     afternoon.
* Chance of Thunder..10%.
* Chc Wetting Rain...5%.
* Max Temperature....
*   Valleys..........79-89.
*   Mid Slope........76-86.
*   24 hr trend......Little change.
* Min Humidity.......
*   Valleys..........20-30%.
*   Mid Slope........21-31%.
*   24 hr trend......8% wetter.
* 20-Foot Winds......
*   Valleys/Slope....Upslope 4 to 8 mph becoming southwest 9 to 15
                     mph with gusts to 25 mph in the late morning
                     and afternoon.
*   Ridge Top........Southwest winds 10 to 20 mph with gusts to 30
                     mph.
* Mixing Height......2000-3000 ft agl increasing to 8300-9300 ft
                     agl in the afternoon.
* Transport Winds....South 10 to 15 mph increasing to 15 to 25 mph
                     in the afternoon.
* Ventilation........Very good increasing to excellent in the
                     afternoon.

.MONDAY NIGHT...
* Sky/Weather........Clear.
* Chance of Thunder..0%.
* Chc Wetting Rain...0%.
* Min Temperature....
*   Valleys..........41-51.
*   Mid Slope........52-62.
* Max Humidity.......
*   Valleys..........57-67%.
*   Mid Slope........39-49%.
* 20-Foot Winds......
*   Valleys/Slope....Southwest winds 9 to 14 mph in the evening
                     becoming downslope 2 to 5 mph.
*   Ridge Top........South winds 10 to 15 mph with gusts to 35 mph.
* Mixing Height......4200-5200 ft agl in the evening then 200-500
                     ft agl.
* Transport Winds....Southwest 15 to 25 mph in the evening becoming
                     light.
* Ventilation........Excellent decreasing to poor after midnight.

.TUESDAY...
* Sky/Weather........Mostly cloudy then becoming partly cloudy.
* Chance of Thunder..0%.
* Chc Wetting Rain...0%.
* Max Temperature....
*   Valleys..........79-89.
*   Mid Slope........76-86.
* Min Humidity.......
*   Valleys..........18-28%.
*   Mid Slope........17-27%.
* 20-Foot Winds......
*   Valleys/Slope....Upslope 4 to 8 mph becoming southwest 9 to 14
                     mph in the afternoon.
*   Ridge Top........South winds 10 to 20 mph with gusts to 30 mph.
* Mixing Height......200-500 ft agl then 6900-7900 ft agl in the
                     afternoon.
* Transport Winds....Light winds becoming southwest 15 to 25 mph in
                     the afternoon.
* Ventilation........Poor increasing to excellent in the afternoon.


.Extended...
.TUESDAY NIGHT...Mostly cloudy. Lows 40-50. Southwest winds 9 to
14 mph in the evening becoming downslope 2 to 5 mph.
.WEDNESDAY THROUGH THURSDAY...Partly cloudy. Highs 80-90. Lows
38-48. Southwest winds 10 to 15 mph.
.FRIDAY...Clear. Highs 78-88. Lows 35-45. Southwest winds 10 to
15 mph.
.SATURDAY THROUGH SUNDAY...Clear. Highs 77-87. Lows 34-44.

$$

CAZ274-241415-
Southern Mono County-
212 PM PDT Sun Aug 23 2026

.TONIGHT...
* Sky/Weather........Mostly cloudy then becoming partly cloudy.
* Chance of Thunder..0%.
* Chc Wetting Rain...5%.
* Min Temperature....
*   Valleys..........45-55.
*   Mid Slope........46-56.
*   24 hr trend......Little change.
* Max Humidity.......
*   Valleys..........53-63%.
*   Mid Slope........39-49%.
*   24 hr trend......6% drier.
* 20-Foot Winds......
*   Valleys/Slope....Southwest winds 9 to 15 mph with gusts to 25 mph
                     in the evening becoming downslope 2 to 5 mph.
*   Ridge Top........Southwest winds 10 to 15 mph with gusts to 30
                     mph.
* Mixing Height......5200-6200 ft agl decreasing to 600 ft agl
                     after midnight.
* Transport Winds....Southwest 10 to 15 mph.
* Ventilation........Excellent decreasing to poor after midnight.

.MONDAY...
* Sky/Weather........Sunny then becoming partly cloudy.
* Chance of Thunder..0%.
* Chc Wetting Rain...0%.
* Max Temperature....
*   Valleys..........77-87.
*   Mid Slope........74-84.
*   24 hr trend......Little change.
* Min Humidity.......
*   Valleys..........13-23%.
*   Mid Slope........16-26%.
*   24 hr trend......Little change.
* 20-Foot Winds......
*   Valleys/Slope....Upslope 4 to 8 mph becoming southwest 13 to 20
                     mph with gusts to 30 mph.
*   Ridge Top........Southwest winds 10 to 20 mph with gusts to 35
                     mph.
* Mixing Height......2500-3500 ft agl increasing to 10200-11200 ft
                     agl in the afternoon.
* Transport Winds....Southwest 10 to 15 mph increasing to 15 to 25
                     mph in the afternoon.
* Ventilation........Very good increasing to excellent in the
                     afternoon.

.MONDAY NIGHT...
* Sky/Weather........Partly cloudy.
* Chance of Thunder..0%.
* Chc Wetting Rain...0%.
* Min Temperature....
*   Valleys..........44-54.
*   Mid Slope........46-56.
* Max Humidity.......
*   Valleys..........57-67%.
*   Mid Slope........41-51%.
* 20-Foot Winds......
*   Valleys/Slope....Southwest winds 12 to 17 mph with gusts to 30
                     mph becoming downslope 2 to 5 mph.
*   Ridge Top........Southwest winds 15 to 25 mph with gusts to 40
                     mph.
* Mixing Height......5200-6200 ft agl decreasing to 600 ft agl
                     after midnight.
* Transport Winds....Southwest 10 to 20 mph.
* Ventilation........Excellent decreasing to poor after midnight.

.TUESDAY...
* Sky/Weather........Partly cloudy then becoming sunny.
* Chance of Thunder..0%.
* Chc Wetting Rain...0%.
* Max Temperature....
*   Valleys..........77-87.
*   Mid Slope........74-84.
* Min Humidity.......
*   Valleys..........14-24%.
*   Mid Slope........17-27%.
* 20-Foot Winds......
*   Valleys/Slope....Upslope 4 to 8 mph becoming southwest 9 to 14
                     mph in the afternoon.
*   Ridge Top........Southwest winds 10 to 15 mph with gusts to 30
                     mph.
* Mixing Height......600-1100 ft agl increasing to 8500-9500 ft agl
                     in the afternoon.
* Transport Winds....Southwest 10 to 15 mph.
* Ventilation........Marginal increasing to excellent in the
                     afternoon.


.Extended...
.TUESDAY NIGHT...Partly cloudy. Lows 45-55. Southwest winds 9 to
14 mph in the evening becoming downslope 2 to 5 mph.
.WEDNESDAY...Partly cloudy. Highs 77-87. Lows 45-55. Southwest winds
10 to 15 mph.
.THURSDAY...Clear. Highs 77-87. Lows 45-55. Southwest winds 10 to
15 mph.
.FRIDAY...Partly cloudy. Highs 75-85. Lows 42-52. Southwest winds
10 to 20 mph.
.SATURDAY THROUGH SUNDAY...Clear. Highs 75-85. Lows 41-51.

$$


.8 to 14 day outlook for (Mon Aug 31 through Sun Sep 6)
Near normal temperatures and precipitation.

=
$$

http://weather.gov/reno