Flood Watch
Flood Watch
National Weather Service Reno NV
222 PM PDT Tue Aug 11 2026
CAZ073-NVZ001-122300-
/O.CON.KREV.FA.A.0004.260812T2100Z-260814T0400Z/
/00000.0.ER.000000T0000Z.000000T0000Z.000000T0000Z.OO/
Mono County-Mineral and Southern Lyon Counties-
Including the cities of Mina, Mammoth Lakes, Yerington, Schurz, Lee
Vining, Bridgeport, Coleville, Smith Valley, and Hawthorne
222 PM PDT Tue Aug 11 2026
...FLOOD WATCH REMAINS IN EFFECT FROM WEDNESDAY AFTERNOON THROUGH
THURSDAY EVENING...
* WHAT...Flash flooding caused by excessive rainfall continues to be
possible.
* WHERE...Portions of east central California, including the
following area, Mono County and western Nevada, including the
following area, Mineral and Southern Lyon Counties.
* WHEN...From Wednesday afternoon through Thursday evening.
* IMPACTS...Excessive runoff may result in rock, mud, and debris
flows in and near steep terrain, and poorly drained urban areas.
* ADDITIONAL DETAILS...
- Heavy rain from thunderstorms primarily during the afteroon and
evening hours Wednesday and Thursday.
- http://www.weather.gov/safety/flood
$$
Flood Watch
National Weather Service Reno NV
222 PM PDT Tue Aug 11 2026
NVZ003-122300-
/O.EXT.KREV.FA.A.0004.260812T2100Z-260814T0400Z/
/00000.0.ER.000000T0000Z.000000T0000Z.000000T0000Z.OO/
Greater Reno-Carson City-Minden Area-
Including the cities of Gardnerville, Verdi, Sparks, and Virginia
City
222 PM PDT Tue Aug 11 2026
...FLOOD WATCH NOW IN EFFECT FROM WEDNESDAY AFTERNOON THROUGH
THURSDAY EVENING...
* WHAT...Flash flooding caused by excessive rainfall continues to be
possible.
* WHERE...A portion of western Nevada, including the following area,
Greater Reno-Carson City-Minden Area. This includes the Bug and
Stallion Fires.
* WHEN...From Wednesday afternoon through Thursday evening.
* IMPACTS...Excessive runoff may result in rock, mud, and debris
flows in and near active fire perimeters, steep terrain, and poorly
drained urban areas.
* ADDITIONAL DETAILS...
- Heavy rain from thunderstorms primarily during the afteroon and
evening hours Wednesday and Thursday.
- http://www.weather.gov/safety/flood
$$
Fire Weather Watch
URGENT - FIRE WEATHER MESSAGE
National Weather Service Boise ID
127 PM MDT Tue Aug 11 2026
...MONSOON MOISTURE WILL BRING SCATTERED THUNDERSTORMS THURSDAY...
A push of monsoon moisture will bring scattered thunderstorms to
the region Thursday afternoon through Friday morning. Lingering
dry surface air will limit the rainfall amounts on Thursday,
increasing concern for lightning ignitions.
IDZ400>403-420-421-423-424-426-ORZ672>674-122100-
/O.NEW.KBOI.FW.A.0008.260813T2100Z-260814T1200Z/
Northern Boise BLM-Western Payette National Forest-
Eastern Payette National Forest-Northern Boise National Forest-
Treasure Valley BLM-
Southern Boise/Western Sawtooth NF, including the Camas Prairie-
Owyhee Mountains-Western Twin Falls BLM-Southern Highlands-
Southern Grasslands-Central Canyonlands-Northwestern Vale BLM-
127 PM MDT Tue Aug 11 2026 /1227 PM PDT Tue Aug 11 2026/
...FIRE WEATHER WATCH IN EFFECT FROM THURSDAY AFTERNOON THROUGH
LATE THURSDAY NIGHT FOR LIGHTNING FOR NORTHERN BOISE BLM...
WESTERN PAYETTE NATIONAL FOREST...EASTERN PAYETTE NATIONAL
FOREST...NORTHERN BOISE NATIONAL FOREST...TREASURE VALLEY BLM...
SOUTHERN BOISE/WESTERN SAWTOOTH NF, INCLUDING THE CAMAS PRAIRIE...
OWYHEE MOUNTAINS...WESTERN TWIN FALLS BLM...SOUTHERN HIGHLANDS...
SOUTHERN GRASSLANDS...CENTRAL CANYONLANDS AND NORTHWESTERN VALE
BLM...WHICH ARE FIRE WEATHER ZONES 400...401...402...403...420...
421...423...424...426...672...673 AND 674...
The National Weather Service in Boise has issued a Fire Weather
Watch for lightning, which is in effect from Thursday afternoon
through late Thursday night.
* AFFECTED AREA...In Idaho, Fire Weather Zones 400 Northern
Boise BLM, 401 Western Payette National Forest, 402 Eastern
Payette National Forest, 403 Northern Boise National Forest,
420 Treasure Valley BLM, 421 Southern Boise/Western Sawtooth
NF, including the Camas Prairie, 423 Owyhee Mountains, 424
Western Twin Falls BLM and 426 Southern Highlands. In Oregon,
Fire Weather Zones 672 Southern Grasslands, 673 Central
Canyonlands and 674 Northwestern Vale BLM.
* TIMING...From Thursday afternoon through early Friday morning.
* THUNDERSTORMS...Scattered coverage with abundant lightning.
* OUTFLOW WINDS...Gusty erratic winds up to 40 mph.
* IMPACTS...Any fire that develops will catch and spread
quickly. Outdoor burning is not recommended.
PRECAUTIONARY/PREPAREDNESS ACTIONS...
A Fire Weather Watch means that critical fire weather conditions
are possible. Listen for later forecasts and possible Red Flag
Warnings.
&&
$$
L
URGENT - FIRE WEATHER MESSAGE
National Weather Service Reno NV
1019 AM PDT Tue Aug 11 2026
CAZ270>272-278-NVZ458-122100-
/O.NEW.KREV.FW.A.0007.260813T1200Z-260814T0400Z/
Surprise Valley California-
Western Lassen, Eastern Plumas, and Eastern Sierra Counties-
Greater Lake Tahoe and Truckee Area-Eastern Lassen County-
Northern Washoe County-
1019 AM PDT Tue Aug 11 2026
...FIRE WEATHER WATCH IN EFFECT FROM LATE WEDNESDAY NIGHT THROUGH
THURSDAY EVENING FOR THE POTENTIAL FOR NEW FIRE STARTS DUE TO
LIGHTNING...
The National Weather Service in Reno has issued a Fire Weather
Watch for thunderstorms and strong outflow winds, which is in
effect from late Wednesday night through Thursday evening.
* Affected Area...Fire Weather Zone 270 Surprise Valley
California, Fire Weather Zone 271 Western Lassen, Eastern
Plumas, and Eastern Sierra Counties, Fire Weather Zone 272
Greater Lake Tahoe and Truckee Area, Fire Weather Zone 278
Eastern Lassen County, Fire Weather Zone 458 Northern Washoe
County.
* Thunderstorms...Thunderstorm chances increase to 15 to 30
percent for Thursday leading to lightning strikes on dry fuels.
Thunderstorms may also produce hail and periods of moderate to
heavy rainfall.
* Outflow Winds...Up to 50 mph.
* Impacts...Lightning can create new fire starts and may combine
with strong outflow winds to cause a fire to rapidly grow in
size and intensity before first responders can contain them.
PRECAUTIONARY/PREPAREDNESS ACTIONS...
Avoid outdoor activities that can cause a spark near dry
vegetation, such as yard work, target shooting, or campfires.
Follow local fire restrictions. Check weather.gov/reno for
updates and livingwithfire.info for preparedness tips.
&&
$$
http://weather.gov/reno
URGENT - FIRE WEATHER MESSAGE
National Weather Service Sacramento CA
957 AM PDT Tue Aug 11 2026
CAZ130-132-133-135-136-138-139-122300-
/O.NEW.KSTO.FW.A.0003.260813T1200Z-260814T0400Z/
Sierra (Tehama-Plumas) Above 3000 ft-Sierra (Yuba-Placer) 3000-
5000 ft-Sierra (Sierra-Placer) Above 5000 ft-Sierra 3000-5000 ft-
Sierra (El Dorado-Amador) Above 5000 ft-Sierra (Cal-Tuo) 3000-
5000 ft-Sierra (Cal-Tuo) Above 5000 ft-
957 AM PDT Tue Aug 11 2026
...FIRE WEATHER WATCH IN EFFECT FROM LATE WEDNESDAY NIGHT THROUGH
THURSDAY EVENING FOR THUNDERSTORMS AND STRONG OUTFLOW WINDS FOR
FIRE ZONES 130,132,133,135,136,138 AND 139...
The National Weather Service in Sacramento has issued a Fire
Weather Watch for thunderstorms and strong outflow winds, which
is in effect from late Wednesday night through Thursday evening.
* Affected Area...Fire Zone 130 Sierra (Tehama-Plumas) Above
3000 ft, Fire Zone 132 Sierra (Yuba-Placer) 3000-5000 ft, Fire
Zone 133 Sierra (Sierra-Placer) Above 5000 ft, Fire Zone 135
Sierra 3000-5000 ft, Fire Zone 136 Sierra (El Dorado-Amador)
Above 5000 ft, Fire Zone 138 Sierra (Cal-Tuo) 3000-5000 ft and
Fire Zone 139 Sierra (Cal-Tuo) Above 5000 ft.
* Thunderstorms...Isolated to scattered coverage of a mix of wet
and dry thunderstorms expected. Lightning strikes may also occur
outside of main precipitation cores.
* Outflow Winds...Gusty and erratic outflow winds could occur near
any thunderstorm development.
* Impacts...Lightning can create new fire starts and may combine
with strong outflow winds to cause a fire to rapidly grow in
size and intensity.
PRECAUTIONARY/PREPAREDNESS ACTIONS...
A Fire Weather Watch means that critical fire weather conditions
are forecast to occur. Listen for later forecasts and possible
Red Flag Warnings.
&&
$$
http://weather.gov/sacramento
Air Quality Alert
IDC001-003-027-045-073-075-087-121900-
Ada-Adams-Canyon-Gem-Owyhee-Payette-Washington-
850 PM MDT Mon Aug 10 2026
...AIR QUALITY ADVISORY FROM THE IDAHO DEPARTMENT OF ENVIRONMENTAL
QUALITY FOR Ada, Adams, Canyon, Gem, Owyhee, Payette, and Washington
Counties...
* WHAT...Air Quality Advisory because of degraded air quality due to
wildfire smoke.
Air Quality Index is forecast to be Unhealthy.
* WHERE...Ada, Adams, Canyon, Gem, Owyhee, Payette, and Washington
Counties.
* WHEN...UNTIL 1 PM MDT WEDNESDAY.
* IMPACTS...Everyone may begin to experience health effects; members
of sensitive groups may experience more serious health effects.
PRECAUTIONARY/PREPAREDNESS ACTIONS...
Air pollutants can cause breathing difficulties for children, the
elderly, as well as persons with respiratory problems. Those
individuals who are sensitive to increased particulate matter or
smoke are encouraged to avoid prolonged or strenuous outdoor
activity during this advisory. Open burning is prohibited by air
quality rule. It is also recommended that all other individuals
limit prolonged or strenuous activity outdoors.
THIS STATEMENT IS ISSUED BY THE IDAHO DEPARTMENT OF ENVIRONMENTAL
QUALITY, AIR QUALITY GROUP FOR MORE INFORMATION, CONTACT DEQ`s
Boise Regional Office at (208) 373-0550
Twin Falls Regional Office at (208) 736-2190
$$
ORC025-121900-
Harney-
850 PM MDT Mon Aug 10 2026
...AIR QUALITY ADVISORY FROM THE OREGON DEPARTMENT OF ENVIRONMENTAL
QUALITY FOR Harney County...
* WHAT...High concentration of smoke particulates from wildfire
smoke.
* WHERE...Harney County.
* WHEN...UNTIL 11 AM PDT WEDNESDAY.
* IMPACTS...Smoke can irritate the eyes, lungs and worsen some
medical conditions. People most at risk to adverse health effects
include infants, young children, people with heart or lung
disease, older adults, and pregnant women.
* ADDITIONAL DETAILS...Smoke levels can change rapidly depending on
weather. Check current conditions on the Oregon Smoke Information
Blog, DEQ`s Air Quality Index, or by downloading the free
OregonAIR app on your smartphone.
PRECAUTIONARY/PREPAREDNESS ACTIONS...
* Stay inside if possible. Keep windows and doors closed.
* Avoid strenuous outdoor activity.
* Use high efficiency particulate air (HEPA) filters in indoor
ventilation systems or portable air purifiers.
* Be aware of smoke in your area and avoid places with the highest
levels.
* If you have heart or lung disease, or asthma, follow your
healthcare provider`s advice.
For current Oregon air quality conditions, please visit:
https://aqi.oregon.gov
For additional information, please visit:
https://www.oregon.gov/deq
$$
ORC037-121900-
Lake-
Including the cities of Adel, Lakeview, New Pine Creek,
Valley Falls, and Fort Rock
958 AM PDT Mon Aug 10 2026
...AIR QUALITY ALERT IN EFFECT UNTIL NOON PDT WEDNESDAY...
Oregon Department of Environmental Quality has issued an Air
Quality Advisory...in effect until noon PDT Wednesday.
Wildfires burning in the region combined with forecast conditions
will cause air quality levels to fluctuate and could be at unhealthy
levels.
Smoke levels can change rapidly depending on the weather. People at
risk include infants and young children, people with heart or lung
disease, older adults and pregnant people.
People can take the following precautions to protect their health:
* Follow local burn restrictions to prevent deteriorating air
quality.
* Avoid strenuous outdoor activity during periods of poor air
quality.
* People with heart or lung problems and young children are
especially vulnerable. These people should stay indoors while smoke
levels are high.
* Use certified High Efficiency Particulate Air (HEPA) filters in
indoor heating, ventilation, cooling and air purification systems.
For additional information...please visit the web site at
https://oregonsmoke.org
$$
