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Extreme Heat Warning

Status

New Event Active alert

Start Time

Sat 08/23/2025 03:00 PM EDT

End Time

Thu 08/28/2025 12:00 AM EDT

Significance

Warning

Impacts

High impact

Locations Affected

Wheeler, WA ∙ Waterville, WA ∙ Ephrata Municipal Airport, WA ∙ Franklin D Roosevelt Lake, WA ∙ Plain, WA ∙ Pateros, WA ∙ Oroville, WA ∙ Creston, WA ∙ Hooper, WA ∙ West Wenatchee, WA

Full Alert Message

URGENT - WEATHER MESSAGE National Weather Service Spokane WA 1056 AM PDT Fri Aug 22 2025 ...EXTREME HEAT WARNING IN EFFECT FROM NOON SATURDAY TO 9 PM PDT WEDNESDAY... * WHAT...Hot temperatures. High temperatures 95 to 102 degrees. Limited overnight relief with low temperatures 65 to 74. * WHERE...Othello, Nespelem, Chelan, Plain, Oroville, Entiat, Harrington, Odessa, Badger Mountain Road, Quincy, Mansfield, Bridgeport, Number 2 Canyon, Leavenworth, Conconully, Ritzville, Lapwai, Number 1 Canyon, Lewiston, Creston, Okanogan, Culdesac, Brewster, Methow, Alpowa Summit, Pangborn Airport, Mazama, Coulee City, Lewiston Grade, Grand Coulee, Cashmere, Disautel Pass, Tonasket, Ephrata, Gifford, Wenatchee, Winthrop, Wilbur, Twisp, Waterville, Moses Lake, Pomeroy, Loup Loup Pass, Clarkston, Peck, and Omak. * WHEN...From noon Saturday to 9 PM PDT Wednesday. * IMPACTS...Hot temperatures will increase the risk of heat-related illnesses. Heat of this magnitude affects anyone without cooling and hydration as well as health systems and industries. 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. Do not leave young children and pets in unattended vehicles. Car interiors will reach lethal temperatures in a matter of minutes. Take extra precautions when outside. Wear lightweight and loose fitting clothing. Try to limit strenuous activities to early morning or evening. Take action when you see symptoms of heat exhaustion and heat stroke.

Technical Header

IDZ026-WAZ032-034-035-041-043-044-047-049-232315- /O.UPG.KOTX.XH.A.0002.250823T1900Z-250828T0400Z/ /O.NEW.KOTX.XH.W.0003.250823T1900Z-250828T0400Z/ Lewiston Area-Lower Garfield and Asotin Counties-Moses Lake Area- Upper Columbia Basin-Wenatchee Area-Okanogan Valley-Waterville Plateau-Central Chelan County-Western Okanogan County- Including the cities of Othello, Nespelem, Chelan, Plain, Oroville, Entiat, Harrington, Odessa, Badger Mountain Road, Quincy, Mansfield, Bridgeport, Number 2 Canyon, Leavenworth, Conconully, Ritzville, Lapwai, Number 1 Canyon, Lewiston, Creston, Okanogan, Culdesac, Brewster, Methow, Alpowa Summit, Pangborn Airport, Mazama, Coulee City, Lewiston Grade, Grand Coulee, Cashmere, Disautel Pass, Tonasket, Ephrata, Gifford, Wenatchee, Winthrop, Wilbur, Twisp, Waterville, Moses Lake, Pomeroy, Loup Loup Pass, Clarkston, Peck, and Omak 1056 AM PDT Fri Aug 22 2025