Pacific storms will continue to bring strong winds, heavy rain with a risk for flooding to northern and central California, and heavy mountain snow in the Sierras, southern Cascades, and northern Rockies through Friday. Winter storm to impact the Midwest to Mid-Atlantic, with a combination of snow, sleet and freezing rain later today through Thursday. Hazardous travel is expected. Read More >
Category | Level | Meaning |
---|---|---|
Green | 0 | No Elevated Risk |
Yellow | 1 | Low Risk for those extremely sensitive to heat, especially those without effective cooling and/or adequate hydration |
Orange | 2 | Moderate Risk for those who are sensitive to heat, especially those without effective cooling and/or adequate hydration |
Red | 3 | High Risk for much of the population, especially those who are heat sensitive and those without effective cooling and/or adequate hydration |
Magenta | 4 | Very High Risk for entire population due to long duration heat, with little to no relief overnight |
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