Red Flag Warning
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 8 9
969
WWUS85 KREV 181938
RFWREV

URGENT - FIRE WEATHER MESSAGE
National Weather Service Reno NV
1238 PM PDT Wed Jun 18 2025

CAZ274-278-NVZ420-421-423-429-458-200000-
/O.UPG.KREV.FW.A.0004.250619T2000Z-250621T0700Z/
/O.NEW.KREV.FW.W.0004.250619T2000Z-250621T0700Z/
Southern Mono County-Eastern Lassen County-
Northern Sierra Front including Carson City, Douglas, Storey,
Southern Washoe, Western Lyon, and Far Southern Lassen Counties-
Southern Sierra Front including Alpine, Northern Mono, Southern
Lyon, and Western Mineral Counties-
West Humboldt Basin in Pershing County-
Lahontan Basin including Churchill and Eastern Mineral Counties-
Northern Washoe County-
1238 PM PDT Wed Jun 18 2025

...RED FLAG WARNING IN EFFECT FROM 1 PM THURSDAY TO MIDNIGHT PDT
FRIDAY NIGHT FOR GUSTY WINDS AND LOW HUMIDITY FOR WESTERN
NEVADA, EASTERN LASSEN COUNTY, AND ALPINE AND MONO COUNTIES...

The National Weather Service in Reno has issued a Red Flag
Warning for gusty winds and low humidity, which is in effect from
1 PM Thursday to midnight PDT Friday night. The Fire Weather
Watch is no longer in effect.

* CHANGES...

* Affected Area...Fire Weather Zone 274 Southern Mono County,
  Fire Weather Zone 278 Eastern Lassen County, Fire Weather Zone
  420 Northern Sierra Front including Carson City, Douglas,
  Storey, Southern Washoe, Western Lyon, and Far Southern Lassen
  Counties, Fire Weather Zone 421 Southern Sierra Front
  including Alpine, Northern Mono, Southern Lyon, and Western
  Mineral Counties, Fire Weather Zone 423 West Humboldt Basin in
  Pershing County, Fire Weather Zone 429 Lahontan Basin
  including Churchill and Eastern Mineral Counties and Fire
  Weather Zone 458 Northern Washoe County.

* Winds...For Thursday, southwest to west 15-25 mph gusting to
  30-40 mph. For Friday, southwest to west 20-25 mph gusting to
  40-45 mph. Wind prone areas Friday may reach 50-60 mph.

* Humidity...For Thursday, minimum humidity 8-15% in the
  afternoon. For Friday, minimum humidity 5-15% in the
  afternoon. Limited overnight recoveries Friday morning of 20-
  30%.

* Duration...For Thursday, 5 to 7 hours. For Friday, 6 to 9
  hours.

* Impacts...The combination of gusty winds and low humidity can
  cause 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