Excessive Heat Warning by NWS

• Effective: 2024-06-29 02:09:00 PDT
• Expires: 2024-06-29 16:15:00 PDT
• Urgency: Expected
• Severity: Severe
• Certainty: Likely
• Instruction: Drink plenty of fluids, stay in an air-conditioned room, stay out of the sun, and check up on relatives and neighbors. Do not leave young children and pets in unattended vehicles. Car interiors will reach lethal temperatures in a matter of minutes. 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. To reduce risk during outdoor work, the Occupational Safety and Health Administration recommends scheduling frequent rest breaks in shaded or air conditioned environments. Anyone overcome by heat should be moved to a cool and shaded location. Heat stroke is an emergency! Call 9 1 1. Stay cool, stay hydrated, stay informed.
• Target Area: West Side Mountains north of 198; Los Banos - Dos Palos; Merced - Madera - Mendota; Planada - Le Grand - Snelling; Coalinga - Avenal; West Side of Fresno and Kings Counties; Caruthers - San Joaquin - Selma; Fresno-Clovis; West Side Mountains South of 198; Buttonwillow - Lost Hills - I5; Delano-Wasco-Shafter; Hanford - Corcoran - Lemoore; Visalia - Porterville - Reedley; Buena Vista; Bakersfield; Southeast San Joaquin Valley; South End San Joaquin Valley; Mariposa Madera Foothills; Mariposa-Madera Lower Sierra; Fresno-Tulare Foothills; Fresno-Tulare Lower Sierra; South End Sierra Foothills; South End of the Lower Sierra; Yosemite Valley; Kern River Valley; Tehachapi; Frazier Mountain Communities; Mojave Desert Slopes

A severe heatwave is expected to hit central California, with an anticipated 75% chance of temperatures soaring to 105°F or higher. Nighttime temperatures are also likely to remain high, with a 75% probability of staying above 73°F. Initially assessed as a Major HeatRisk (Level 3 out of 4), conditions are forecasted to escalate to an Extreme HeatRisk (Level 4 out of 4) by July 4th, continuing through the weekend. The heatwave will span from 11 AM Tuesday until 8 PM PDT Saturday, posing widespread risks due to the prolonged and intense heat, which will be particularly dangerous for those lacking sufficient cooling and hydration. The extreme temperatures are expected to strain health systems, affect heat-sensitive sectors, and challenge infrastructure resilience.

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