Headline:
Red Flag Warning issued July 22 at 3:48AM PDT until July 23 at 2:00PM PDT by NWS Seattle WA
Event:
Red Flag Warning
Urgency:
Expected
Effective:
July 22, 2026 - 3:48am
Expires:
July 22, 2026 - 4:00pm
Description:
The National Weather Service in Seattle has issued a Red Flag
Warning for lightning and gusty outflow winds which is in effect
from 4 PM PDT this afternoon to 2 PM PDT Thursday. The Fire
Weather Watch is no longer in effect.
* AFFECTED AREA...Fire Weather Zone 655 Black Hills and
Southwest Interior Lowlands and Fire Weather Zone 659 West
Slopes of the Central Cascades Generally above 1500 Feet.
* WINDS...West 5 to 10 mph except possible gusts 25 to 30 mph
with thunderstorms.
* RELATIVE HUMIDITY...As low as 29 percent.
* LIGHTNING...Isolated thunderstorm coverage is possible across
the southern Cascade Mountains and portions of southwest
Washington. Thunderstorms will develop late Wednesday night and
move from south to north across the area.
* OUTFLOW WINDS...Any storms that develop will be capable of
gusty and erratic outflow winds between 25 and 30 miles per
hour. Outflow winds can occur ahead of and behind storms and
cause erratic wind directions.
* TEMPERATURES...High temperatures this afternoon in the 90s. Low
temperatures Thursday morning in the upper 50s to mid 60s.
* TIMING...4 PM PDT this afternoon to 2 PM PDT Thursday
afternoon.
* IMPACTS...Lightning in dry fuels can cause multiple fire
starts. Thunderstorms can also bring sudden sharp wind shifts on
existing fires, causing rapid changes in a fire's rate of
spread and direction of spread. Thunderstorm outflow winds can
be a threat for several hours following the start of a new
lightning-caused fire. If a fire were to begin, air quality may
diminish in the surrounding area.
Instruction:
A Red Flag Warning means that critical fire weather conditions
are either imminent or occurring now. Any fires that develop will
likely spread quickly. Outdoor burning is not recommended.
Area Description:
Black Hills and Southwest Interior Lowlands; West Slopes of the Central Cascades Generally above 1500 Feet
Forcast Office:
NWS Seattle WA
Sender: