NWS Seattle Briefings & Information

Severe Storms and Flooding Threat in the Central Plains; Heat Continues in the South and West

Severe thunderstorms may produce damaging winds, large hail, and numerous instances of flash/urban flooding over parts of the central Plains and lower Missouri Valley. Hazardous heat will continue in the South, Desert Southwest and the California Central Valley this weekend. Isolated dry thunderstorms may increase the risk of fire starts and spread across the Four Corners region and vicinity. 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