READ: See Live Blog: Severe Storm Threat Continues Today for the latest storm reports.
11:25 a.m. EST Wednesday: There are reports of trees down all around the Pittsburgh area. There was a 67-mph wind gust Westmoreland County, Pa.
11:00 a.m. EST Wednesday: Multiple trees were reported down in Washington, Fayette, and Allegheny counties in Pa., as well as Marion, W.Va. A 67-mph wind gust blew through Lawson Heights, Westmoreland County, Pa.
There's a radar-indicated tornado near Peach Tree, Ga. Law-enforcement has reported a funnel cloud with that storm.
10:40 a.m. EST Wednesday: Damaging winds are heading through western Pa. right now through northern W.Va. The squall line is about to come through Morgantown, W.Va.
10:20 a.m. EST Wednesday: The squall line is from the Great Lakes all the way down to Georgia. Winds are gusting to 62-mph in Wheeling, W.Va.
9:18 a.m. EST Wednesday: Heavy rain was reported in Elkhart, Marshall and St. Joseph counties, Ind., with 2 inches plus over the past 24 hours.
8:50 a.m. EST Wednesday: A number of high wind reports are coming in from Ohio and Kentucky this morning. The highest wind gust reported so far is 52 mph in Norwich, Ohio.
8:30 a.m. EST Wednesday:
8:00 a.m. EST Wednesday: "I think our severe weather event may turn into more of a flooding event with time," AccuWeather Meteorologist Henry Margusity said. "Most of the severe weather will stay in the southeast today."
7:20 a.m. EST Wednesday: According to emergency management, wind knocked down multiple trees near Rogersville, Ala. Somerset Pulaski Airport, Ky., reported a 64-mph wind gust.
6:40 a.m. EST Wednesday: At least one person was injured when strong winds damaged a mobile home near New Market, Ky. Numerous power lines were also reported down.
5:30 a.m. EST Wednesday: The wicked storms blasted through Louisville and Nashville between 4 and 5 a.m. Winds gusted over 60 mph in many places and numerous damage reports have been received including "Top floor of 3 story building gone in Mount Juliet, Tenn." A preliminary report from the National Weather Service in the same town shows a gust of 105 mph!
3:10 a.m. EST Wednesday: A possible tornado was reported near Bethel Springs, Tenn. Occupants were trapped in their vehicle with trees down on the car.
2:42 a.m. EST Wednesday: The severe threat is far from over as storms continue to move eastward. Louisville and Nashville can expect rough weather in the next hour or two. Damage reports also continue to come in including the destruction of a concrete garage in Spencer County, Ind.
1:55 a.m. EST Wednesday: The squall line has blasted through Indianapolis with wind gusts over 55 mph.
12:55 a.m. EST Wednesday: There have been reports of flooding in Crawford, Washington, Iron and Madison counties, Mo. The heavy rain can cause flooded roads and reduced visibility. As always, never drive through a flooded roadway.
12:35 a.m. EST Wednesday: Metropolis, Ill., measured a wind gust to 68 mph and power lines were reported down. In addition, two plate glass windows were blown out in the downtown area.
11:31 p.m. EST Tuesday: Numerous trees down and one person was reported injured in Galatia, IL. 70 mph wind gusts were measured nearby.
10:48 p.m. EST Tuesday: A wind gust of 63 mph was reported in Carbondale, Ill. Farther north, a 59 mph gust ripped through Mount Vernon, Ill. and a 53 mph gust was observed in Effingham.
10:33 p.m. EST Tuesday: Another funnel cloud was spotted just west of Cape Girardeau, MO along I-55 near exit 99. Just a bit farther east, straight line winds overturned a semi and trailer along Highway 25.
10:23 p.m. EST Tuesday: A funnel cloud was reported just east of Dexter, Mo. (Stoddard County). Just to the west, numerous downed trees were reported in Wayne and Stoddard counties.
10:15 p.m. EST Tuesday: Law enforcement in Drew County, Ark. reported a person was shocked by lightning and an ambulance was called. Just moments earlier, a wind gust of 60 mph was reported nearby in Monticello.
9:57 p.m. EST Tuesday: "The threat for severe weather will shift eastward across the lower Mississippi Valley into the lower Ohio and Tennessee Valleys. The main impact will be damaging winds and isolated tornados," said AccuWeather.com Expert Senior Meteorologist Bob Smerbeck.
Locations to be affected early on will be Evansville, IN, Paducah, KY, Memphis, TN, and Greenville, MS. Severe weather will reach Nashville, TN and Columbus, MS before daybreak.
9:33 p.m. EST Tuesday: 52 mph gust recorded in Ripley County, MO. Porch ripped off of home in county, and many trees downed.
8:30 p.m. EST Tuesday: "Between now and midnight, the greatest tornado threat is across the southern half of Arkansas and northwestern Mississippi," AccuWeather.com Meteorologist Erik Pindrock said. "Areas within a polygon from Memphis, TN to Little Rock, AR to Texarkana, AR to Greenville, MS are at the greatest risk for severe storms possibly containing a tornado."
8:27 p.m. EST Tuesday: Roof blown off of a building on Highway 82 East in Leland, MS.
7:47 p.m. EST Tuesday: Delayed report of a tornado by a spotter in Crawford County, Ark. around 3:00 pm CST. Trees downed in the area.
6:30 p.m. EST Tuesday: The biggest severe weather threat tonight will take aim at southeastern Missouri and Arkansas, according to AccuWeather Expert Senior Meteorologist Frank Strait. Damaging winds, large hail and tornadoes are concerns with the strongest storms. Eventually, potentially dangerous storms will make it into northern Mississippi, western Tennessee to southern Illinois overnight.
5:50 p.m. EST Tuesday: A delayed tornado report was released by the Storm Prediction Center. A possible tornado touched down 4 miles north of Marthasville, Mo., around 4:15 p.m. EST Tuesday. Siding damage occurred, with 16-foot strips of siding being carried 1/4 of a mile downwind. An overhang of a shed was blown off. Water tanks were picked up and moved, while tree tops were shredded.
5:40 p.m. EST Tuesday: The area to watch for severe storms right now is Fort Smith, Ark., through Branson, Mo., and close to St. Louis, according to AccuWeather Meteorologist Brian Edwards.
5:24 p.m. EST Tuesday: A severe storm capable of producing a tornado could impact Branson, Mo., within the next 40 minutes. Tornado Warning
4:30 p.m. EST Tuesday: A storm stirred 50-mph gusts and extremely heavy rain in Wentsville, Mo.
3:58 p.m. EST Tuesday: Strong rotation has been detected in a severe storm north of Short, Okla. (east of Tulsa). There is a possible tornado on the ground. Local Radar The storm will pass near Fayetteville, Ark., within the next hour.
3:44 p.m. EST Tuesday: Dallas/Fort Worth International Airport is reporting delays due to thunderstorms.
3:30 p.m. EST Tuesday: Storm winds caused roof/trailer damage 10 miles north-northeast of Gainesville, Texas.
2:57 p.m. EST Tuesday: Quarter-sized hail is hammering Decatur, Texas.
2:38 p.m. EST Tuesday: Quarter-sized hail hammered areas near Poolville and Millsap, Texas. Local Radar
2:00 p.m. EST Tuesday: A metal shed was blown into a neighbor's yard in Holts Summit, Mo. Local Radar
1:53 p.m. EST Tuesday: A live tree has been uprooted and is blocking a roadway at Missouri Highway 50 and Business 50 in Jefferson City, Mo.
1:50 p.m. EST Tuesday: Hail up to the size of nickels (0.88 of an inch in diameter) completely covered the ground in Tippecanoe, Ind. The falling hail limited the visibility to 1/8 of a mile.
1:45 p.m. EST Tuesday: Hail continues to fall in Missouri, with half an inch hail in California and quarter-inch hail in Kliever.
1:00 p.m. EST Tuesday: Thunderstorm winds knocked down trees, power lines and a shed near Quincy, Mo.
12:45 p.m. EST Tuesday: Dime-sized hail fell in Warsaw, Mo. and Breckenridge, Texas. Marble-sized hail, with a few hailstones close to golfball-sized, in Callahan County, Texas.
12:30 p.m. EST Tuesday: One-inch hail fell in Oklahoma County, Okla. Law enforcement reported that high winds damaged power lines and a barn near Cedar Springs, Mo.
11:45 a.m. EST Tuesday: AccuWeather Meteorologist Henry Margusity said "It looks like the tornado threat is going to increase in eastern Oklahoma and western Arkansas."
10:55 a.m. EST Tuesday: Strong winds knocked down trees in Mound Valley, Kan. Wind were estimated at 60 to 70 mph.
10:45 a.m. EST Tuesday: So far, the storms Tuesday are producing damaging wind reports and hail.
"It looks like there are some storms developing near Arkansas that could be the beginning of the tornadic thunderstorms," AccuWeather meteorologist Henry Margusity said.
10:15 a.m. EST Tuesday: Hail one-and-a-half inches in diameter in Kingfisher County, Okla. Law enforcement is reporting wind gusts of 40 to 50 mph in Coffeyville, Kan.
10:01 a.m. EST Tuesday: A 70-mph wind gust whipped through Washington County, Okla., two miles east northeast of Copan.
9:50 a.m. EST Tuesday: Penny-sized hail spotted in Pettis County, Mo.
9:30 a.m. EST Tuesday: A 60-mph thunderstorm wind gust was reported in Chautauqua County, Kan., southeast of Wichita, Kan.
9:20 a.m. EST Tuesday: Reports of one-inch hail in Kay, Garfield, Kingfisher and Custer counties, Okla.
9:00 a.m. EST Tuesday: The National Weather Service Forecast Office in Norman, Okla., tweeted "Classic OK weather day - severe storms, strong winds, high wildfire potential and snow."
8:30 a.m. EST Tuesday: Thunderstorms are moving in towards Missouri and northeastern Oklahoma, where a new tornado watch has been issued.
8:10 a.m. EST Tuesday: AccuWeather Meteorologist Henry Margusity tweeted that "It's going to be a bad day with tornadoes."
Some of the warmest weather of the year will continue across Alaska over the next few days, challenging more records.
Join us on Thursday for AccuWeather LIVE, we will discuss the debate of climate change and hurricane frequency and the top five things you need to know about summer weather.
Warmth is forecast to build over much of the eastern half of the nation by July, with Alaska of all places helping out.
A brief synopsis of the top five worst weather events of last summer.
The storms could affect cities from St. Louis to Evansville, Ind., Louisville, Ky., Cincinnati and Dayton, Ohio to Huntington, W.Va.
A tornado touched down at Denver International Airport as a severe weather system moved through the area.
3-4" rains common across the state.
New Brunswick, NJ (1835)
Great New Brunswick Tornado; 5 dead, 17-mile path through the center of town; in all, 145 buildings were damaged. This is the worst tornado catastrophe in New Jersey history to date.
Central Illinois (1964)
19th-20th) Hail as large as grapefruits battered more than 50 counties, causing crop and property damage totalling $9.2 million.