Early heat wave shatters records across U.S. southwest as extreme weather sweeps nation
By lauraharris // 2026-03-18
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  • A powerful early-season heat wave is driving temperatures above 100°F across Southern California and parts of Arizona, with cities like Palm Springs (109°F), Phoenix (107°F) and Los Angeles (101°F) at risk of breaking seasonal records.
  • Temperatures more than 20°F above average are expected in much of the country west of the Mississippi, including Texas, Oregon, Montana and Iowa, raising concerns about accelerated snowmelt and flooding.
  • Red flag warnings are in effect for Nebraska, Kansas, Colorado, Wyoming, Texas and Oklahoma due to high heat, dry air and strong winds, increasing the likelihood of wildfires.
  • Despite the heat in the West, light snowfall is forecast across the northern Plains and upper Midwest, with parts of Michigan expecting 2–4 inches. Recent storms left over 30 inches of snow in areas of Wisconsin and Michigan.
  • A cold front sweeping through New England into Canada is bringing colder temperatures, heavy rain and gusty winds, while freeze warnings affect Alabama, Georgia and Florida, creating a volatile mix of heat, winter weather and fire risk nationwide.
A powerful early-season heat wave is driving record-breaking temperatures across the southwestern United States, as forecasters warn of dangerous conditions spreading eastward. The Weather Prediction Center said on March 17 that temperatures across Southern California and parts of Arizona are expected to exceed 100°F (38°C) in the coming days—well above seasonal norms. Heat advisories now stretch along much of the California coast, while extreme heat warnings have been issued for inland areas, including Palm Springs, Las Vegas and Death Valley. Major population centers are bracing for unusually high readings, with forecasts of 101°F in Los Angeles, 109°F in Palm Springs, and 107°F in Phoenix. Even typically milder areas like San Jose could reach 95°F. Officials warn these temperatures may break records for the earliest occurrence of 90°F and 100°F days by as much as 10 degrees. "Temperatures this hot so early in the year could shatter high temperature records by as much as 10 degrees," the Weather Prediction Center stated. As the heat expands, much of the country west of the Mississippi River, including states like Texas, Oregon, Montana and Iowa, could see temperatures soar more than 20 degrees above average. The rapid warming raises concerns about accelerated snowmelt, potentially leading to rising rivers and dangerous currents, even as water temperatures remain frigid.

Fire risk soars

Meanwhile, fire risk is increasing across the central United States. BrightU.AI's Enoch explains that during a heat wave, the risk of fire increases due to the dry conditions and high temperatures, which can make vegetation and other combustible materials more susceptible to ignition. Additionally, the increased human activity and the use of air conditioning can lead to electrical failures and other fire hazards. Red flag warnings have been issued in parts of Nebraska, Kansas, Colorado, Wyoming, and Oklahoma due to a dangerous mix of heat, dry air and strong winds. Despite the heat in the West, winter conditions persist elsewhere. Light snowfall is expected across the northern Plains and upper Midwest through March 18. This follows a powerful storm system that recently dumped over 30 inches of snow in areas of Wisconsin and Michigan. In the East, a strong cold front is sweeping through New England and into Canada, bringing colder temperatures, heavy rain, and gusty winds. At the same time, parts of the Southeast, including Alabama, Georgia, and Florida, are below freeze warnings following recent severe storms, with some areas facing record-low temperatures. Forecasters say the country is experiencing an unusually volatile mix of extreme heat, lingering winter weather and fire risk, though conditions are expected to stabilize in the coming days with a return to more typical spring patterns. Watch this video about potential grid shutdowns.
This video is from the Alex Hammer channel on Brighteon.com. Sources include: TheEpochTimes.com BrightU.ai Brighteon.com
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