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 7:00:16 pm PDT

Watches, Warnings & Advisories

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National Weather Service San Francisco Bay Area, CA

National Weather Service San Joaquin Valley, CA

Extreme Heat Warning

Gale Warning

Red Flag Warning

Heat Advisory

Flood Advisory

Small Craft Advisory

Heat Advisory Saturday

Red Flag Warning

Heat Safety Tips

Outdoor Recreation Tips

🟠A moderate risk (3/5) of significant heat tomorrow for parts of Western Nevada Basin and Range. Afternoon highs will range between 100-103° with widespread Moderate HeatRisk. Heat Advisory: https://tinyurl.com/5n6bs2wk

The Fire Weather Watch has been UPGRADED to a ⚠️🔥🚩 Red Flag Warning, in effect from 11am Saturday through 11pm Sunday. Avoid activities that may produce a spark, such as using fireworks and sparklers. Camping? Make sure all campfires are properly extinguished. Fire Weather Watch: https://tinyurl.com/3tzdun5f

Keep yourself safe from the heat with these tips!

Planning on heading outdoors this weekend? 🏞️ Make sure to double check the forecast! Amongst widespread Moderate HeatRisk, there will be a 10-15% chance of isolated t-storms in the Sierra this weekend. Ensure you have proper gear and plenty of water.