Extreme Heat and Tropical Storm Bertha Impacts

Dangerous heat will expand from the Gulf Coast into the Southern Plains and Desert Southwest through week's end. Additional extreme heat impacting the Pacific Northwest will shift to the northern Plains by the weekend. Tropical Storm Bertha is expected to continue to impact portions of the northwestern Gulf Coast from south central Louisiana to the upper Texas coast today. Read More >

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Last Map Update: Thu, Jul 23, 2026 at 1:02:23 pm MDT

Watches, Warnings & Advisories

National Weather Service Great Falls, MT

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National Weather Service Salt Lake City, UT

Red Flag Warning

Heat Advisory

Fire Weather Watch

Air Quality Alert

Heat Advisory

Wildfire Smoke Reducing Air Quality

Hot temperatures up to 107 degrees are expected Thursday through Saturday across the Treasure Valley, Magic Valley, Upper Weiser River, and Malheur County. The hottest day is expected to be Friday. Hot temperatures will impact anyone without effective cooling and/or adequate hydration, and may cause heat illnesses, especially for the young, elderly, and animals.