National Weather Service United States Department of Commerce

Dangerous Fire Conditions in the Southern High Plains; Severe Weather from the Great Lakes into Central/Southern Plains; Late-Season Mountain Snow

Dry and windy conditions will produce dangerous fire weather conditions across the southern High Plains into the Southwest. Severe storms, including very large hail, strong tornadoes, and winds, are expected from the Great Lakes into the central/southern Plains. Heavy late-season snow and cold temperatures are expected in the northern to central Rockies. Heat is spreading across the eastern U.S.. Read More >

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Last Map Update: Mon, May 18, 2026 at 4:00:34 am PDT

Temperatures overnight will drop into the 30s for much of Northeast Washington into the Idaho Panhandle as well as the Palouse. This will result in areas of frost. Those with sensitive plants and vegetation should take protective action.

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