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At a Glance A strong area of low pressure will move through the Plains and into the East into this weekend.

Severe thunderstorms are possible in parts of the South on Sunday.

Widespread rain is expected with locally heavy rainfall likely.

Severe thunderstorms ripped across eastern Oklahoma late Friday and on Illinois on Saturday. More severe thunderstorms are possible Sunday in parts of the South as a strong low-pressure system ushers in December.

The southern part of the system is pulling mild and moist air northward from the Gulf of Mexico as it moves through the Plains, while the northern end of the system will bring snow, ice and wind .

(MORE: Tornado Central )

Showers and thunderstorms continue to spread across the South and into parts of the Midwest and mid-Atlantic.

<img class="styles__noscript__2rw2y" src="https://s.w-x.co/staticmaps/DCT_SPECIAL1_1280x720.jpg" srcset="https://s.w-x.co/staticmaps/DCT_SPECIAL1_1280x720.jpg 400w, https://s.w-x.co/staticmaps/DCT_SPECIAL1_1280x720.jpg 800w" > Current Radar, Watches and Warnings.

Illinois took the brunt of the damaging weather on Saturday, including numerous tornadoes.

Along a line of severe thunderstorms, a tornado passed near Litchfield, Morristown and Palmer, Illinois, located south and southeast of Springfield, Saturday evening. The tornado became strong and likely passed through or very near Taylorville and Stonington, Illinois, then passed near Boody and Harristown. A home was knocked off its foundation near Boody.

This was likely one of two tornadoes in a family of tornadoes. The other possible tornado passed near Wagoner and Raymond, Illinois just west of the first confirmed tornado.

A likely tornado struck near Valley City, Illinois, mid-Saturday afternoon taking down power lines and doing some structural damage to homes.

Another pair of tornadoes moved through central Illinois early Saturday evening. One of the tornadoes crossed U.S. 136 northwest of Easton, Illinois. The other tornado passed between Anton and Banner, Illinois.

Other reports:

On Saturday morning, a roof was partially torn off of Lincoln Park Elementary school near Ensley, Florida.

A tornado was reported near Webbers Falls, OK, around 9:30 p.m. CST Friday, with this intense storm tracking northeast across the Lake Tenkiller area and on toward Arkansas. A strong tornado debris signature was evident on radar with this storm, indicating that significant damage may have occurred for some time.

Law enforcement reported several homes damaged in the town of Tenkiller, according to ABC 4029 News .

(More: Latest Impacts From Damaging Severe Storms )

An EF1 tornado also heavily damaged a car dealership Friday night near Aurora, Missouri.

On Friday night, a trailer was destroyed near Independence, Missouri with people trapped inside. A wind gust to 83 mph was recorded near Republic, Missouri with shingles missing from a house. Several homes were also damaged near Van Buren, Arkansas.

Sunday

Showers and thunderstorms will linger in the East and South into Sunday.

- Location: A few strong to severe thunderstorms are possible from the Florida Panhandle to eastern North Carolina, mainly during the afternoon into Sunday night.

- Threats: Damaging wind gusts will be the main concern but an isolated tornado is also possible.

<img class="styles__noscript__2rw2y" src="https://s.w-x.co/staticmaps/DCT_SPECIAL41_1280x720.jpg" srcset="https://s.w-x.co/staticmaps/DCT_SPECIAL41_1280x720.jpg 400w, https://s.w-x.co/staticmaps/DCT_SPECIAL41_1280x720.jpg 800w" > Sunday's Severe Thunderstorm Forecast (Shaded on the map above is the likelihood of severe thunderstorms. Note that not all categories apply for the severe weather risk on a particular day.) (Shaded on the map above is the likelihood of severe thunderstorms. Note that not all categories apply for the severe weather risk on a particular day.)

Most locations will see less than 2 inches of rainfall through Sunday, but pockets of heavier rainfall are likely. The western Florida Panhandle, southeastern Alabama and southwestern Georgia are more likely to see rainfall totals in excess of 3 inches.

<img class="styles__noscript__2rw2y" src="https://s.w-x.co/staticmaps/DCT_SPECIAL49_1280x720.jpg" srcset="https://s.w-x.co/staticmaps/DCT_SPECIAL49_1280x720.jpg 400w, https://s.w-x.co/staticmaps/DCT_SPECIAL49_1280x720.jpg 800w" > Rainfall Forecast (Locally higher rainfall amounts are possible. Areas shaded in white indicate where snow is expected.) (Locally higher rainfall amounts are possible. Areas shaded in white indicate where snow is expected.)

Locally heavy rain could lead to some flash flooding, particularly if clusters of thunderstorms move repeatedly over the same areas. Flash flood watches have been issued by the National Weather Service from the Florida Panhandle into southern Alabama and southwestern Georgia.

Check back with weather.com for updates on the potential for severe weather.