Dangerous Heat in the West; Wildfire Smoke Impacting the North-Central U.S.

In much of California and parts of the West, dangerous heat will remain in place through Saturday, with record-breaking temperatures expected. Heat Advisories and Extreme Heat Warnings have been issued. Smoke from Canadian wildfires will bring air quality issues to parts of the Upper Midwest and Great Lakes into the weekend. Air Quality Alerts have been issued. Read More >

Click a location below for detailed forecast.

Last Map Update: Fri, May 30, 2025 at 9:00:14 pm PDT

Watches, Warnings & Advisories

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Storm Warning

Gale Warning

Heat Advisory

Small Craft Advisory

Moderate Heat Risk Today

Cold Water Safety

The warmest weather of the year thus far is expected today. While today will be the hottest day, hot temperatures could linger across Lake and Modoc counties into Saturday. A moderate risk of heat related illness is expected today, meaning the level of heat affects most individuals sensitive to heat, but especially those without effective cooling and/or adequate hydration. Impacts are possible in some health systems and in heat-sensitive industries.