National Weather Service United States Department of Commerce

Excessive Rainfall and Tropical Storm in the South; Severe Thunderstorms in the Midwest

Excessive rainfall may produce considerable, potentially life-threatening, flooding across the lower Mississippi River Valley and central Great Lakes region through tonight. Tropical Storm Arthur will move northeastward along the Texas coast today and then move inland over southwestern Louisiana by tonight. An outbreak of severe thunderstorms is expected across portions of Illinois and Indiana. Read More >

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Last Map Update: Wed, Jun 17, 2026 at 12:20:29 pm PDT

Conditions today, Wednesday, June 17, remain warm, dry, and breezy across the Inland Northwest. Wind gusts 20-30 mph are expected alongside relative humidity values 15-25 percent. New and ongoing fires in dry grasses may quickly spread as winds increase this afternoon.
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.

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