NWS Seattle Briefings & Information

Extreme Heat and Tropical Storm Bertha Impacts

Dangerous heat will expand from the Gulf Coast into the Southern Plains and Desert Southwest through week's end. Additional extreme heat impacting the Pacific Northwest will shift to the northern Plains by the weekend. Tropical Storm Bertha is expected to continue to impact portions of the northwestern Gulf Coast from south central Louisiana to the upper Texas coast today. Read More >

Situation Briefing

These briefings are updated when significant weather is expected.

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Weather Risk Matrix

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Special Events Briefings

Access active briefings and view live status updates below. This page will be operational from June 5 - July 19, 2026. Please note that not all briefings are updated daily. Briefings for Fan Zones and other local events are issued daily for the 3 days leading up to an activation date. These briefings and more information may also be accessed via the NWS Washington Special Events Dashboard.

Briefing Focus	Last Updated	Status

How We Determine Risk

Weather Risk Outlook colors are determined by examining both the impact level and the associated probability of potential scenarios.

1 Impact Assessment

2 Risk Level Calculation

Hazard Classification