


Red Flag Warning
Issued by NWS Seattle/Tacoma, WA
Issued by NWS Seattle/Tacoma, WA
301 WWUS86 KSEW 152103 RFWSEW URGENT - FIRE WEATHER MESSAGE National Weather Service Seattle WA 203 PM PDT Tue Jul 15 2025 WAZ655-152215- /O.CAN.KSEW.FW.A.0001.000000T0000Z-250717T0600Z/ Black Hills and Southwest Interior Lowlands- 203 PM PDT Tue Jul 15 2025 ...FIRE WEATHER WATCH IS CANCELLED FOR GUSTY WINDS AND LOW RELATIVE HUMIDITY FOR FIRE WEATHER ZONE 655... The National Weather Service in Seattle has cancelled the Fire Weather Watch. While fire weather conditions will remain elevated with low relative humidity, the winds no longer look like they`ll reach critical levels as the full westerly onshore wind push will will only slowly develop over a couple of days. $$ WAZ658-659-160545- /O.UPG.KSEW.FW.A.0001.000000T0000Z-250717T0600Z/ /O.NEW.KSEW.FW.W.0001.250716T1800Z-250717T0600Z/ West Slopes of the North Cascades Generally above 1500 Feet- West Slopes of the Central Cascades Generally above 1500 Feet- 203 PM PDT Tue Jul 15 2025 ...RED FLAG WARNING IN EFFECT FROM 11 AM TO 11 PM PDT WEDNESDAY FOR HOT, DRY AND UNSTABLE CONDITIONS FOR FIRE WEATHER ZONES 658 AND 659... The National Weather Service in Seattle has issued a Red Flag Warning for hot, dry and unstable conditions, which is in effect from 11 AM to 11 PM PDT Wednesday. The Fire Weather Watch is no longer in effect. * AFFECTED AREA...Fire Weather Zone 658 West Slopes of the North Cascades Generally above 1500 Feet and Fire Weather Zone 659 West Slopes of the Central Cascades Generally above 1500 Feet. * WINDS...Northwest 5 to 10 mph. * RELATIVE HUMIDITY...As low as 20 percent. * TEMPERATURES...Up to 95. * IMPACTS...A combination of low relative humidity, unstable airmass, and warm temperatures can contribute to rapid rates of spread and down- wind spotting on existing fires. If a fire were to begin, air quality may diminish in the surrounding area. * STABILITY...Unstable conditions can be expected * IMPACTS...A dry and unstable air mass with warm temperatures can contribute to active fire behavior. In western Washington, significant growth on existing fires takes place under such conditions. If a fire were to begin, air quality may diminish in the surrounding area. PRECAUTIONARY/PREPAREDNESS ACTIONS... A Red Flag Warning means that critical fire weather conditions are either imminent or occurring now. Any fires that develop will likely spread quickly. Outdoor burning is not recommended. && $$