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Dangerous Heat Wave Threatens Oppressive Temperatures in Much of the US

Forecasters warn the dome could push temperatures 15 to 25 degrees above normal and keep overnight lows unusually warm in many areas.

  • A widespread, dangerous heat wave is building across the United States, with triple-digit highs forecast for the Southwest and Great Plains this weekend before spreading eastward under a heat dome expected to affect two-thirds of the continental U.S.
  • Climate change from burning coal, oil and natural gas is intensifying heat waves, while the current El Niño—which formed last month—has an 81% chance of becoming "very strong" by fall, the National Oceanic and Atmospheric Administration said Thursday.
  • Meteorologist Andrew Gorelow with the National Weather Service noted Las Vegas is hotter than normal, with temperatures expected to hit 111 F on Saturday. Cities including Miami and Charleston face overnight lows not forecast to drop below 80 F.
  • In St. Paul, Tynika Smith of Bloomington, Minnesota, distributed frozen towels and fans to homeless residents in secluded encampments, noting that reaching cooling centers is difficult. Experts warn temperatures 15 to 25 degrees Fahrenheit warmer than normal threaten public health.
  • The National Weather Service predicts more than 90 temperature records will be broken through Wednesday, with two-thirds being overnight heat records. Experts warn the heat could spike fire risks in the Rockies, while the Dakotas experience one of the strongest heat domes in 25 years.
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A wave of widespread and dangerous heat is intensifying in the United States, and this weekend maximum temperatures of three digits are expected on the Fahrenheit scale in the southwest and the Great Plains before spreading eastward under a high-pressure dome that, according to meteorologists, could catch suffocating temperatures for a week or more.

Fort Smith/Fayetteville NewsFort Smith/Fayetteville News
+8 Reposted by 8 other sources
Center

Dangerous heat wave is building, will bring oppressive temperatures to much of the US

A widespread and dangerous heat wave is building across the U.S., with triple-digit highs expected in the Southwest and Great Plains this weekend.

·Fort Smith, United States
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KOB 4KOB 4
+24 Reposted by 24 other sources
Center

Dangerous heat wave threatens oppressive temperatures in much of the US

A widespread and dangerous heat wave is building across the U.S., with triple-digit highs expected in the Southwest and Great Plains this weekend. The heat will spread eastward under a dome of high pressure that meteorologists say could trap oppressive temperatures for a week or more in as much as two-thirds of the continental United States. Temperatures will be 15 to 25 degrees warmer than normal in many areas, including at night. That's especially bad for people’s health because their bodies won’t have a chance to recover.

·Albuquerque, United States
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El Financiero broke the news in Mexico on Friday, July 10, 2026.
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