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Weekend Weather Preview

November 30, 2023 at 03:12 PM EST
By WeatherBug Meteorologist, Alyssa Robinette
Weekend Weather Preview
The Eastern U.S. will receive a one-two punch this weekend, while a cold front provides soggy, snowy weather for the West.

Saturday

A rather weak low pressure system will move from the Ohio Valley into the Northeast and southern Canada to start the weekend. There will also be a second developing area of low pressure that slides from the central Gulf Coast into the Carolinas. Most areas along and east of the Mississippi will end up with some precipitation as a result.

Expect wet snow or a mix of rain and snow for the Great Lakes and interior New England, mainly in the morning and afternoon.  Occasional showers are likely for the Ohio Valley, Mid-Atlantic and southern New England. Rain and thunderstorms soak the central Gulf Coast during the morning, spreading to the Southeast by the afternoon and evening.

In addition, there will be a fast-moving weather disturbance that zips across the central Plains and Mid-Mississippi Valley. This will create a chance for showers or rain/snow showers, the best chance in the afternoon and evening.

Meanwhile, a cold front will be sprawled out over the Northwest and Rockies. Rain or a mix of rain and snow is expected throughout the Northwest and northern California. The exception with be the Cascades, which will see all snow. Expect moderate to heavy snow for the northern Rockies, with some light snow all possible in the central Rockies.

Most of California into the Southwest as well as the north-central U.S. will stay dry Saturday thanks to high pressure building over the region.

Bitter cold temperatures will be found across the central and southern Rockies on Saturday, with highs only in the teens and 20s. Expect 30s, 40s and lower 50s for the rest of the West and northern U.S., including the Northwest, Great Basin, most of California, the southern Rockies, northern and central Plains, Great Lakes, Midwest and interior parts of the Northeast. A few 60s cannot be ruled out for southern California and the Desert Southwest.

Expect milder weather elsewhere as 50s, 60s and 70s cover the southern Plains, Lower Mississippi Valley, Deep South, Southeast, Mid-Atlantic and southern New England. Eighties will be in the forecast across Florida.

 
Sunday

There will be a combination of a weak surface low pressure system and the strengthening weather disturbance from Saturday that impacts the eastern U.S. on Sunday. The low pressure system will slide from the Carolinas up to southern New England. The weather disturbance will push across the Great Lakes, Midwest and Ohio Valley.

The result will be precipitation once again for all areas along and east of the Mississippi. The best chance for widespread rain across the East will be in the morning and afternoon. Rain should taper off and even end across the Mississippi Valley, Midwest, Deep South, Southeast and Mid-Atlantic in the evening. The one exception will be the Great Lakes and interior New England, where precipitation will fall in the form of snow, locally moderate to very heavy. This wet, very heavy snow along with gusty winds will bring a concern for dangerous travel, downed trees and powerlines and power outages.

The cold front stalled over the West for the past few days will start to lift north across the Northwest and Rockies. Rain will be limited to most of the Northwest throughout the day, though some wet snow is still likely in the highest elevations. Moderate to very heavy snow continues in the northern and even central Rockies, before tapering off in intensity and change over to a mix of rain and snow.

It will be another dry day for most of the north-central U.S. and California into the Four Corners states. Most of the Plains will also keep quiet for the end of the weekend.

Sunday’s temperatures will be almost identical to Saturday’s. Expect mainly 20s, 30s and 40s across the West and northern half of the U.S. A few 50s and 60s are possible in California and the Desert Southwest. Fifties, 60s and 70s will be dominant elsewhere, including the southern Plains, Deep South, Southeast and Mid-Atlantic. There will be another day with temperatures in the 80s across Florida.