Headline:
Red Flag Warning issued July 23 at 4:35AM PDT until July 24 at 2:00AM PDT by NWS Spokane WA
Event:
Red Flag Warning
Urgency:
Expected
Effective:
July 23, 2026 - 4:35am
Expires:
July 23, 2026 - 8:00pm
Description:
...RED FLAG WARNING FOR THUNDERSTORMS THURSDAY, FIRE WEATHER
WATCHES FOR WINDS AND LOW HUMIDITY FRIDAY AND SATURDAY...
A ridge breakdown will first bring a threat for thunderstorms
across portions of central and north-central Washington today and
tonight. Drier weather arrives Friday and Saturday, though winds
will become increasingly gusty with critical fire weather
conditions likely.
* Affected Area: Okanogan Highlands and Kettle Mountains (Zone
699).
* Winds: Gusty and erratic outflow winds up to 35mph possible in
any thunderstorms Thursday. Southwest 15 to 20 mph with gusts up
to 30 mph Saturday.
* Timing: For the Red Flag Warning, there is a threat for
lightning Thursday morning. Scattered thunderstorms are then
expected Thursday afternoon into early Friday morning. For the
Fire Weather Watch, critical wind and humidity values are
expected late Saturday morning into Saturday evening.
* Relative Humidities: 14 to 26 percent Saturday.
* Temperatures: Up to 94 in the valleys Saturday.
* Lightning: A 5 to 10% chance of lightning Thursday morning,
with a 30% chance Thursday afternoon into Thursday night.
* Impacts: New fire starts from lightning Thursday. New and
existing fires could be impacted by gusty outflow winds. Gusty
winds and low humidity Saturday afternoon may lead to rapid
fire spread with any new or ongoing fires.
Instruction:
A Red Flag Warning means that critical fire weather conditions
are either occurring now....or will shortly. A combination of
strong winds...low relative humidity...and warm temperatures can
contribute to extreme fire behavior.
A Fire Weather Watch means that critical fire weather conditions
are forecast to occur. Listen for later forecasts and possible
Red Flag Warnings.
Area Description:
Okanogan Highlands & Kettle Mountains
Forcast Office:
NWS Spokane WA
Sender:
w-nws.webmaster@noaa.gov