Sammamish Warnings, Watches and Advisories

Do not drive vehicles through flooded areas. The water depth or fast flowing water/mud/debris from a flash flood will make road conditions unsafe. Do not rely soley on data presented here or other third-party websites - always check your official national and local weather service agency website, socials, radio and/or TV stations for making critical decisions related to weather events.

Please carefully read each posted Warning and Alert as it relates to the area(s) being affected. We may provide a wider range of issued severe weather warnings for surrounding cities and counties, so some alerts may not directly impact this location. This is done to help with preparing for severe weather that may overlap or be heading towards Sammamish.

Use the Radar Maps link provided to understand the trajectory of a storm.

Heat Advisory issued July 16 at 9:53PM PDT until July 17 at 5:00PM PDT by NWS Seattle WA

* WHAT...Hot conditions with high temperatures in the 80s to low 90s, and low temperatures in the upper 50s to low 60s. This will pose a moderate risk of heat-related illness. * WHERE...Portions of northwest and west central Washington. * WHEN...Until 5PM PDT Thursday. * IMPACTS...Heat will significantly increase the risk of heat-related illnesses for those who are sensitive to heat, especially those without effective cooling or adequate hydration.

Fire Weather Watch issued July 16 at 2:04PM PDT until July 18 at 10:00PM PDT by NWS Spokane WA

The National Weather Service in Spokane has issued a Fire Weather Watch for wind and low relative humidity, which is in effect from Friday afternoon through Friday evening. * Affected Area: Foothills of Central Washington Cascades (Zone 705), Waterville Plateau (Zone 706), Western Columbia Basin (Zone 707), Eastern Columbia Basin -Palouse -Spokane Area (Zone 708) and Lower Palouse -Snake River (Zone 709). * Winds: West to southwest 10 to 20 mph with gusts up to 35 mph. * Relative Humidities: 11 to 19 percent. * Impacts: Rapid fire spread is possible

Fire Weather Watch issued July 16 at 2:01PM PDT until July 18 at 10:00PM PDT by NWS Pendleton OR

...DRY AND BREEZY TO WINDY CONDITIONS EXPECTED ACROSS PORTIONS OF CENTRAL AND EASTERN OREGON AND SOUTH CENTRAL WASHINGTON ON THURSDAY AND FRIDAY... .Warm, dry, and breezy to windy conditions are expected Thursday through Friday across portions of central and eastern Oregon as well as south central Washington, especially through the Cascade gaps. Strongest winds are expected for Friday. The National Weather Service in Pendleton has issued a Fire Weather Watch for wind and low relative humidity, which is in effect from Friday afternoon through Friday evening. * AFFECTED AREA...Fire Weather Zone 690 Kittitas Valley. * TIMING...From Friday afternoon through Friday evening. * WINDS...West 15 to 25 mph with gusts up to 40 mph. * RELATIVE HUMIDITY...As low as 15 percent. * IMPACTS...Any fire that develops will catch and spread quickly. Outdoor burning is not recommended.

Red Flag Warning issued July 16 at 2:01PM PDT until July 18 at 10:00PM PDT by NWS Pendleton OR

...DRY AND BREEZY TO WINDY CONDITIONS EXPECTED ACROSS PORTIONS OF CENTRAL AND EASTERN OREGON AND SOUTH CENTRAL WASHINGTON ON THURSDAY AND FRIDAY... .Warm, dry, and breezy to windy conditions are expected Thursday through Friday across portions of central and eastern Oregon as well as south central Washington, especially through the Cascade gaps. Strongest winds are expected for Friday. The National Weather Service in Pendleton has issued a Red Flag Warning for wind and low relative humidity, which is in effect from 1 PM Thursday to 10 PM PDT Friday. * AFFECTED AREA...Fire Weather Zones 691 Lower Columbia Basin of Oregon, 691 Lower Columbia Basin of Washington and 701 Eastern Columbia River Gorge of Oregon. * TIMING...From 1 PM Thursday to 10 PM PDT Friday. * WINDS...West 15 to 25 mph with gusts up to 35 mph. * RELATIVE HUMIDITY...As low as 10 percent. * IMPACTS...Any fire that develops will catch and spread quickly. Outdoor burning is not recommended.