National Weather Service United States Department of Commerce

Severe Weather Possible from the Central Plains to the Northeast; Building Heat in the West; Fire Weather Concerns for the Southwest

Severe thunderstorms are possible from the Ohio Valley to the central Plains this evening, and the threat will expand into the Mid-Atlantic and Northeast on Monday. Hazardous heat will linger across the southern U.S. and build across the West through mid-week. Hot and dry conditions will fuel fire weather concerns for Alaska through this evening and for the Four Corners region through Monday. Read More >

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Last Map Update: Sun, Jun 21, 2026 at 2:14:22 pm PDT

Very warm temperatures will in result moderate HeatRisk early this week especially over the Columbia Basin and L-C Valley. Moderate HeatRisk is dangerous to those who are sensitive to heat, especially those without effective cooling and/or adequate hydration. Another warmup begins Monday and continues into Thursday with moderate HeatRisk returning.

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