Weather Alerts For Plymouth, WA

# HEADLINE -------------------- RED FLAG WARNING REMAINS IN EFFECT FROM 3 PM TO 8 PM PDT SATURDAY FOR WIND AND LOW RELATIVE HUMIDITY FOR FIRE WEATHER ZONES OR691, OR700, AND WA691 # DETAILS -------------------- AFFECTED AREA Fire Weather Zones 691 Lower Columbia Basin of Oregon, 691 Lower Columbia Basin of Washington and 700 Central Mountains of Oregon. TIMING From 3 PM to 8 PM PDT Saturday. WINDS West 15 to 25 mph with gusts up to 35 mph. RELATIVE HUMIDITY As low as 9 percent. IMPACTS Any fire that develops will catch and spread quickly. Outdoor burning is not recommended. ISSUED AT Friday, June 19, 2026 at 11:17 PM PDT ISSUED BY National Weather Service Pendleton OR HEADER URGENT - FIRE WEATHER MESSAGE # PRECAUTIONARY/PREPAREDNESS ACTIONS -------------------- 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. # AREAS AFFECTED -------------------- Lower Columbia Basin of Washington, Central Mountains of Oregon, Lower Columbia Basin of Oregon

Pollen Index: 8.5 Pollen Level: medium-high Predominant Pollen: Grass, Plantain and Nettle. The quantity of pollen grains in the air for Sunday will be falling but will remain in the high range. This lowering of pollen concentrations is a result of falling temperatures, rising relative humidity and weaker winds.