Weather Alerts For Mount Shasta, CA

# HEADLINE -------------------- HEAT ADVISORY REMAINS IN EFFECT UNTIL 11 PM PDT TUESDAY # SUMMARY -------------------- Western Siskiyou County-Central Siskiyou County-South Central Siskiyou County-Eastern Curry County and Josephine County-Jackson County- Including the following locations...Scott Bar, Cave Junction, Merlin, McCloud, Greenview, Medford, Somes Bar, Yreka, Grants Pass, Wilderville, Rogue River, Dunsmuir, Applegate, Mount Shasta, Etna, Callahan, Ashland, Fort Jones, Weed, Jacksonville, Shady Cove, Happy Camp, Klamath River, Gold Hill, Hilt, and Butte Falls 143 PM PDT Mon Jun 22 2026 # DETAILS -------------------- WHAT Daytime highs of 95 to 100 are expected, with overnight lows around 57 to 59 degrees. Elevated/moderate heat risk. WHERE Valleys and low-lying areas west of the Cascades. This includes communities in the Illinois, Rogue, Shasta, Scott, and Klamath River valleys as well as exposed areas in the western Cascades foothills, in eastern Curry County, and south of Mount Shasta. WHEN Until 11 PM PDT Tuesday. IMPACTS Heat illness may occur for those who are sensitive to heat, especially those without access to cooling facilities or hydration. ISSUED AT Monday, June 22, 2026 at 1:43 PM PDT ISSUED BY National Weather Service Medford OR HEADER URGENT - WEATHER MESSAGE # PRECAUTIONARY/PREPAREDNESS ACTIONS -------------------- Drink plenty of fluids, stay in an air-conditioned room, stay out of the sun, and check up on relatives and neighbors. Take extra precautions when outside. Wear lightweight and loose fitting clothing. Try to limit strenuous activities to early morning or evening. Take action when you see symptoms of heat exhaustion and heat stroke.