Tropical Storm Arthur and Heavy Rainfall in the South; Severe Weather in the Midwest

An outbreak of severe thunderstorms is expected across portions of Illinois and Indiana tonight. Intense tornadoes, swaths of damaging gusts, and hail in excess of 2 inches in diameter possible. Tropical Storm Arthur will continue to produce strong winds across coastal Upper Texas and Louisiana tonight, as well as potentially life-threatening flooding across southern Louisiana into Mississippi. Read More >

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Last Map Update: Thu, Jun 18, 2026 at 12:42:26 am PDT

Watches, Warnings & Advisories

National Weather Service Seattle/Tacoma, WA

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Flood Warning

Friday HeatRisk

Very warm temperatures will result moderate HeatRisk Friday, June 19, especially across the Spokane area and Columbia Basin. Moderate HeatRisk is dangerous to those who are sensitive to heat, especially those without effective cooling and/or adequate hydration. Major HeatRisk affects anyone without cooling/hydration.