A storm developed across the Southeast on Tuesday, bringing snow and heavy ice from Dallas to Nashville.
Numerous accidents, downed trees and scattered power outages were common from northern Louisiana through Kentucky.
This storm will sprint through the Northeast Wednesday, bringing snow and ice across a wide swath from Pennsylvania into New York and New England.
See the latest story updates at the Live Blog: Wall of Snow Heads to Hartford, Boston
2:55 a.m. EST Wednesday: Glaze accumulation near 1/2 inch across Garret County, MD. Tree limbs and power lines are sagging under the weight.
2:40 a.m. EST Wednesday: Snow now falling in Hartford, CT and Providence, RI.
2:30 a.m. EST Wednesday: Some reports as of 2:30AM EST: 1.00" snow in Punxsutawney, 3.25" snow in State College, 1/4" of ice in Tucker, WV.
12:30 a.m. EST Wednesday: It's snowing moderately currently here at AccuWeather Headquarters in State College, PA. We have about an inch on the ground.
12:00 a.m. EST Wednesday: Some ice pellets are mixing in north and west of New York City, but the city itself is just rain.
11:30 p.m. EST Tuesday: Freezing rain is causing an icy glaze along trees, power lines and untreated surfaces along the western PA turnpike. Mostly snow north.
10:30 p.m. EST Tuesday: Snow has made it into State College, Allentown and Scranton, PA. It's an icy mix of sleet and freezing rain south of Pittsburgh.
8:30 p.m. CST Tuesday: Freezing drizzle beginning to cause a glaze on the roads in Desoto County, Miss.
7:52 p.m. CST Tuesday: Snow and sleet mix causing ice to form on bridges in Fulton, Miss.
6:59 p.m. CST Tuesday: Quarter of an inch of ice reported in Falkner, Miss.
6:03 p.m. CST Tuesday: Quarter of an inch of ice reported on trees in Prentiss County, Miss.
5:45 p.m. CST Tuesday: Numerous bridges iced over in Jackson and Union Counties, La. Light icing reported on trees.
4:50 p.m. CST Tuesday: Snow, sleet and freezing rain feel in the past hour in Obion, Tenn.
4:20 p.m. CST Tuesday: A quarter of an inch of ice has accumulated on trees and power lines near Bells and Selmer, Tenn. Roads were becoming slippery in some areas. Motorists are urged to use caution.
4:00 p.m. CST Tuesday: Heavy rain ahead of the wintry weather has been causing some flooding incidences across Alabama and Tennessee. Several roads are impassible due to high water in Walker County, Ala.
3:30 p.m. CST Tuesday: We have compiled a photo slideshow of the ice storm impacting the South.
3:00 p.m. CST Tuesday: 1.7 inches of snow was measured 2 miles east of Ben Gay, Mo.
3:00 p.m. CST Tuesday: For a power outage map from Entergy due to the wintry weather, click here.
2:30 p.m. CST Tuesday: Freezing rain lasted 30 minutes in Wynne, Ark. Roads are slippery with a thin coat of sleet and ice.
2:20 p.m. CST Tuesday: Trees and power lines are beginning to be weighed down from ice accumulation 6 miles east-southeast of Blanchard, La.
2:10 p.m. CST Tuesday: Power lines were downed in Greenville, Miss., cutting power to several hundreds of customers.
2:00 p.m. CST Tuesday: One tree and power lines were downed by the weight of ice accumulation in Monroe, La. Two homes are on fire as a result.
1:00 p.m. CST Tuesday: McMillan Corner, Ark., has received 0.25 of an inch of freezing rain, especially on elevated surfaces such as trees and power lines.
12:50 p.m. CST Tuesday: Twitter user @hotdog_mike tweeted the following photo:
"#arwx conditions on N Rodney Parham," tweeted @hotdog_mike.
12:35 p.m. CST Tuesday: Roads are becoming snow covered with less than one inch of snow accumulation (0.3 of an inch) in Tecumseh, Mo. A couple of vehicle slide offs have occurred along Highway 160 near Tecumseh.
12:15 p.m. CST Tuesday: A quarter of an inch of ice fell today on power lines, trees and cars in Wilmot, Ark., Bastrop, La., and Hollandale, Miss.
12:00 p.m. CST Tuesday:@CanesDrew tweeted from Memphis: "Freezing rain sticking to metal and brick outside."
11:46 p.m. CST Tuesday: Freezing rain starting in Memphis.
11:22 a.m. CST Tuesday: Icy conditions this morning have wrecked havoc in the Dallas-Ft. Worth airport. According to Flight Aware, 117 flights have been cancelled going out of the airport and 130 flights coming in.
11:00 a.m. CST Tuesday: There are icy conditions on Interstate 20 overpasses, with multiple accidents, in Monroe, La.
Emergency crews: "We're on the scene. It's a disaster."
10:51 a.m. CST Tuesday: New snow totals rolling in as the storm moves east: more than an inch and a half in Cumby, Texas, and one inch of snow in Jasper, Ark., but ice is dominating, with reports all over Louisiana and Arkansas.
10:38 a.m. CST Tuesday:Here is the preliminary snowfall map from Tuesday morning's snow in Texas.
10:08 a.m. CST Tuesday: Here's an update on snow totals: two inches of snow at Commerce, Texas, two inches of snow at McKinney, Texas, and one inch of snow at Valliant, Ok. Roads are icy in Hot Springs, Ark.
09:40 a.m. CST Tuesday: From the National Weather Service Forecasting Office in Little Rock: "Bridges are becoming increasing slippery - lots of accidents in Garland County and some on I-30 around Malvern."
09:19 a.m. CST Tuesday: Krum, Texas, received 1.75 inches of snow and sleet.
09:00 a.m. CST Tuesday: An inch of snow was reported at the Trophy Club in Denton County, Texas, at 8:15 a.m. local time.
08:31 a.m. CST Tuesday: Photo Blog: Dallas Thundersnow
08:14 a.m. CST Tuesday: Notable precipitation totals: 1.5 inches of snow at Mesquite, half an inch of snow and sleet at Kaufmann, half an inch of snow at Ft. Worth airport. There are icy roads around Shreveport because of freezing rain.
07:22 a.m. CST Tuesday: From Instagram user lady_daraine: Yes. It's snowing. During rush hour. With no de-icing because this is Dallas.
06:54 a.m. CST Tuesday: From @WatsonWFAA:
OK this is different. Steady snow this morning in Dallas with.. thunder.
06:30 a.m. CST Tuesday: There were reports of thundersnow in the Dallas area. The Dallas-Ft. Worth airport is reporting thunder, sleet and snow, with 43 lighting strikes around the area.
Seasonable temperatures and sunshine start the new week, but thunderstorms become more likely by mid-week.
Drier and cooler conditions will prevail as we head into the workweek across much of the Los Angeles metropolitan area.
After a relatively calm holiday weekend, a pattern of unsettled weather will enter the area as we head into the first half of the work week.
After an unsettled weather pattern plagued the city of Atlanta over the past several days, things will begin to dry out over the area as we head into the early part of next week.
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