573
WWUS86 KSTO 291926
RFWSTO

URGENT - FIRE WEATHER MESSAGE
National Weather Service Sacramento CA
1226 PM PDT Sun Jun 29 2025

CAZ213-214-263-279-302130-
/O.UPG.KSTO.FW.A.0003.250630T1800Z-250701T0600Z/
/O.NEW.KSTO.FW.W.0004.250630T1800Z-250702T0300Z/
Eastern Portion of Shasta/Trinity NF-
Burney Basin and Northeast Plateau in Shasta County Including
Northwest Lassen NF north of Lassen NP-Southeast Edge Shasta-
Trinity NF and Western Portions of Tehama-Glenn Unit-
Eastern Mendocino NF-
1226 PM PDT Sun Jun 29 2025

...RED FLAG WARNING IN EFFECT FROM 11 AM MONDAY TO 8 PM PDT
TUESDAY FOR THUNDERSTORMS AND GUSTY OUTFLOW WINDS FOR FIRE ZONES
213,214,263 AND 279...

The National Weather Service in Sacramento has issued a Red Flag
Warning for thunderstorms and strong outflow winds, which is in
effect from 11 AM Monday to 8 PM PDT Tuesday. The Fire Weather
Watch is no longer in effect.

* Affected Area...Fire Zone 213 Eastern Portion of
  Shasta/Trinity NF, Fire Zone 214 Burney Basin and Northeast
  Plateau in Shasta County Including Northwest Lassen NF north
  of Lassen NP, Fire Zone 263 Southeast Edge Shasta-Trinity NF
  and Western Portions of Tehama-Glenn Unit and Fire Zone 279
  Eastern Mendocino NF.

* Thunderstorms...Isolated to scattered coverage of a mix of wet
  and dry thunderstorms expected. Lightning strikes may also
  occur outside of main precipitation cores. Highest chances for
  thunderstorms in the afternoon and evening hours.

* Outflow Winds...Gusty and erratic outflow winds could occur
  near any thunderstorm development.

* Impacts...Lightning can create new fire starts and may combine
  with gusty outflow winds to cause a fire to rapidly grow in
  size and intensity.

PRECAUTIONARY/PREPAREDNESS ACTIONS...

A Red Flag Warning means that critical fire weather conditions
are either occurring now, or will shortly. A combination of
lightning from dry thunderstorms on dry fuels can contribute to
new fire starts.

&&

$$

CAZ266-268-302130-
/O.NEW.KSTO.FW.W.0004.250630T1800Z-250702T0300Z/
Northern Sierra Foothills from 1000 to 3000 Ft. Includes portions
of Shasta-Trinity and Butte Units-
Northern Sierra Including Lassen NP and Plumas and Lassen NF/S
West of the Sierra Crest (West of Evans Peak-Grizzly Peak-
Beckworth Peak)-
1226 PM PDT Sun Jun 29 2025

...RED FLAG WARNING IN EFFECT FROM 11 AM MONDAY TO 8 PM PDT
TUESDAY FOR THUNDERSTORMS AND GUSTY OUTFLOW WINDS FOR FIRE ZONES
266 AND 268...

The National Weather Service in Sacramento has issued a Red Flag
Warning for thunderstorms and strong outflow winds, which is in
effect from 11 AM Monday to 8 PM PDT Tuesday.

* Affected Area...Fire Zone 266 Northern Sierra Foothills from
  1000 to 3000 Ft. Includes portions of Shasta-Trinity and Butte
  Units and Fire Zone 268 Northern Sierra Including Lassen NP
  and Plumas and Lassen NF/S West of the Sierra Crest (West of
  Evans Peak-Grizzly Peak-Beckworth Peak).

* Thunderstorms...Isolated to scattered coverage of a mix of wet
  and dry thunderstorms expected. Lightning strikes may also occur
  outside of main precipitation cores. Highest chances for
  thunderstorms in the afternoon and evening hours.

* Outflow Winds...Gusty and erratic outflow winds could occur
  near any thunderstorm development.

* Impacts...Lightning can create new fire starts and may combine
  with gusty outflow winds to cause a fire to rapidly grow in
  size and intensity.

PRECAUTIONARY/PREPAREDNESS ACTIONS...

A Red Flag Warning means that critical fire weather conditions
are either occurring now, or will shortly. A combination of
lightning from dry thunderstorms on dry fuels can contribute to
new fire starts.

&&

$$

http://weather.gov/sacramento