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A cold front is expected to stretch from the western Gulf Coast to the Northeast on Saturday, as active weather will spread across the eastern third of the country. A wave of low pressure will develop along the southern tier of the frontal boundary. This system will trek east northeastward, bringing showers and thunderstorms to the central and eastern Gulf Coast, the Southeast and the southern Mid-Atlantic. Severe thunderstorms will be possible from northern Florida to eastern Virginia. Meanwhile, a separate wave of low pressure will move across the eastern Great Lakes and the Northeast. A swath of heavy snow showers will be possible from the Ohio Valley to New England, while freezing rain will also be possible in parts of Ohio, Pennsylvania, New York and northeastern New England. This system will also bring a punch of heavy rain to the northern Mid-Atlantic and the New England coast, as flash flooding will be possible across the region.
In the West, a cold frontal boundary will trek eastward across the northwestern corner of the country. This system will start off the day by ushering rainy weather across Washington, Oregon and northern California, while heavy snow is expected across the Cascades and the Sierra Nevadas. Snow levels are forecast to range between 6500 to 7000 feet in the Sierra Nevadas, but will likely drop to 5000 feet throughout the evening. Snow accumulations will range between 6 to 12 inches across the Cascades and the Sierra Nevadas on Saturday. By the end of the day, snowy weather will push across the northern Rockies.
FRIDAY'S WEATHER EXTREMES:
HIGHEST TEMPERATURE (DEGREES F).........................98 McAllen, Texas
HIGHEST HEAT INDEX (DEGREES F)..........................98 Kingsville, Texas
LOWEST TEMPERATURE (DEGREES F)..........................-8 Crane Lake, Minn.
LOWEST WIND CHILL (DEGREES F)...........................-31 Kuparuk, Alaska
HIGHEST WIND GUST (MPH).................................71 Mt. Washington, N.H.
HIGHEST PRECIPITATION (INCHES)..........................4.76 Gulfport, Miss.
ON THIS DATE
Imagine a day when Niagara Falls eases to a trickle. This incredible image came to reality on this date in 1848 due to an ice jam at the neck of Lake Erie and the Niagara River entrance. The ice jam was caused by wind, waves, and lake currents.
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