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Chehalis, WA Severe Weather Alertstar_ratehome

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Personal Weather Station
Location: Chehalis, WA
Elevation: 58ft
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Active Weather Alerts

Red Flag Warning
Issued: 3:54 AM Jul. 23, 2026 – National Weather Service
...RED FLAG WARNING REMAINS IN EFFECT UNTIL 10 PM PDT THURSDAY
FOR LIGHTNING AND GUSTY OUTFLOW WINDS FOR FIRE WEATHER ZONES 649,
650, 651, 652, 655, 659, AND 661...

* AFFECTED AREA...Fire Weather Zone 649 North and Central
Coastal Strip, Fire Weather Zone 650 North Coastal Lowlands,
Fire Weather Zone 651 Central Coastal Lowlands, Fire Weather
Zone 652 West Portion of the Olympic Mountains, Fire Weather
Zone 655 Black Hills and Southwest Interior Lowlands, Fire
Weather Zone 659 West Slopes of the Central Cascades Generally
above 1500 Feet and Fire Weather Zone 661 East Portion of the
Olympic Mountains.

* WINDS...West 5 to 10 mph with gusts up to 25 mph.

* RELATIVE HUMIDITY...As low as 30 percent Thursday.

* 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...Up to 85 Thursday.

* IMPACTS...Scattered 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.

PRECAUTIONARY/PREPAREDNESS ACTIONS...

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.

&&

Heat Advisory
Issued: 10:13 PM Jul. 22, 2026 – National Weather Service
...HEAT ADVISORY REMAINS IN EFFECT UNTIL 11 PM PDT THIS EVENING...

* WHAT...Hot conditions with high temperatures in the 90s to near
100 degrees and low temperatures in the mid 60s. This will pose a
major risk of heat-related illness.

* WHERE...Foothills of the Western and Southern Olympic Peninsula,
Middle Chehalis River Valley, Southern Hood Canal, Foothills and
Valleys of Thurston and Lewis Counties, Lowlands of Lewis and
Southern Thurston Counties, and Olympia and Southern Puget Sound.

* WHEN...Until 11 PM PDT this evening.

* IMPACTS...Extreme heat will significantly increase the risk of
heat-related illnesses for much of the population, especially
those who are heat sensitive and those without effective cooling
or adequate hydration.

PRECAUTIONARY/PREPAREDNESS ACTIONS...

Drink plenty of fluids, stay in an air-conditioned room, stay out of
the sun, and check up on relatives and neighbors. Young children and
pets should never be left unattended in vehicles under any
circumstances.

Take extra precautions if you work or spend time outside. When
possible reschedule strenuous activities to early morning or
evening. Know the signs and symptoms of heat exhaustion and heat
stroke. Wear lightweight and loose fitting clothing when possible.
To reduce risk during outdoor work, the Occupational Safety and
Health Administration recommends scheduling frequent rest breaks in
shaded or air conditioned environments. Anyone overcome by heat
should be moved to a cool and shaded location. Heat stroke is an
emergency! Call 9 1 1.

For sheltering information and other human services in your area,
dial 2 1 1 during business hours or visit wa211.org anytime.

&&

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