Dangerous heat to continue into July 4 holiday

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A prolonged and potentially dangerous heat wave is expected to continue through the Independence Day holiday, affecting more than two dozen states across the Midwest, the South, and the East Coast.

Areas affected

Forecasters say extreme heat will impact large portions of:

• The Midwest.

• The South.

• Much of the East Coast.

Many communities are expected to experience temperatures in the 90s and 100s, with heat index values—what it actually feels like when humidity is factored in—reaching well above 100°F (38°C) in some locations.

Health concerns

The extended duration of the heat increases the risk of:

• Heat exhaustion.

• Heat stroke.

• Dehydration.

• Worsening of chronic medical conditions.

Older adults, young children, outdoor workers, and people with underlying health conditions are considered especially vulnerable.

Staying safe

Health officials recommend:

• Drinking plenty of water, even if you don't feel thirsty.

• Limiting strenuous outdoor activities during the hottest part of the day.

• Wearing lightweight, light-colored clothing.

• Taking frequent breaks in air-conditioned buildings or shaded areas.

• Never leaving children or pets in parked vehicles.

Holiday impact

The heat is expected to affect many July 4 celebrations, including parades, festivals, fireworks, and outdoor gatherings. Some communities have adjusted event schedules or expanded cooling stations to help protect attendees.

Bottom line

An extended heat wave will continue through the July 4 holiday across much of the Midwest, South, and East Coast. With dangerous temperatures expected to persist, officials are urging residents and holiday travelers to take heat precautions and monitor local forecasts and advisories.