WEATHER SATURDAY April 13 2024 Light Showers New York City, Philly ...Dry Atlanta and Florida ...Fair Chicago...Snow showers in NY State and So New England Fair most of the nation ...Snow at Donners and Reno this weekend

Powerful low pressure system to continue producing gusty winds and heavy rain across parts of the Great Lakes, Ohio Valley, Northeast, and Appalachians through tonight Lower elevation rain and mountain snow to enter California on Saturday. Well above average temperatures forecast to surge into the northern/central Plains this weekend. A deep low pressure system churning over southeast Ontario, Canada this afternoon is responsible for widespread shower activity extending from the Great Lakes and upper Ohio Valley to New England. Additional heavy rain is possible through tonight across New England and parts of Upstate New York. Isolated instances of flash flooding are possible, especially where recent snowmelt has led to elevated river levels and saturated soil. Flood Watches and Warnings are in effect for parts of northern New Hampshire and western/central Maine. Additionally, a few thunderstorms are possible and could turn severe over eastern New York and western New England. A tight pressure gradient is also producing gusty winds surrounding the storm system. Wind Advisories are in effect for parts of the Great Lakes, Ohio Valley, and Appalachians due to the potential for wind gusts up to 50 mph. As the system exits deeper into Canada on Saturday, rain could change to snow over parts of northern Pennsylvania and New York, with winds gradually waning. For the West Coast, an approaching storm system is expected to spread lower elevation rain and high elevation snow to California beginning tonight. Rain could be heavy enough at times along the central and southern coastal ranges to produce isolated flooding concerns. The Sierra Nevada and northern California mountain ranges could see upwards of 6 to 12 inches of snowfall. Meanwhile, gusty winds are forecast to develop over the high desert regions of eastern California and Nevada on Saturday, where High Wind Warnings, Watches, and Wind Advisories are in effect. As the system weakens and pushes inland across the Intermountain West on Sunday, showers and thunderstorms are possible across the northern Great Basin. Outside of areas experiencing rain showers (West Coast and Northeast) early this weekend, well above average temperatures are forecast to dominate the second weekend of April. High temperatures 20 to 30 degrees above average are anticipated across much of the Plains and Upper Midwest, with the highest anomalies centered over the north-central United States. This equates to widespread afternoon highs into the upper 70s and 80s. Low 90s could also be felt throughout parts of the central and southern Plains by Sunday.