00:48 Sioux Falls Tornado Rips Apart Building in Newly Released Footage Newly released footage from inside a health center in Sioux Falls shows the damage done by an EF-2 tornado that struck the city one year ago.

Widespread flooding continues in the Houston metro area, with stretches of major freeways still flooded, vehicles both submerged and stuck in gridlocked traffic and hundreds of homes flooded thanks to slow-moving torrential downpours Monday night into early Tuesday morning.

All travel in the Houston metro area is discouraged this morning.

(FORECASTS: Record Rainfall and Flash Flooding | State by State Coverage of Ongoing Flooding )

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Elsewhere, a squall line swept through the New Orleans metro area early Tuesday, with a report of structural damage in the suburb of Kenner. Damage was also reported in central Mississippi overnight.

At least eight people have died in Oklahoma and Texas over the past three days. On Monday, tornadoes are suspected of killing one person each in Oklahoma and Texas.

(ON THIS PAGE: Radar, Watches, Warnings | Severe Weather Live Blog )

Here are the latest reports of flooding and severe weather.

Flooding

Southeast Texas: An areal flood warning continues Tuesday morning for parts of Harris and Fort Bend counties in the Houston metropolitan area, including much of the city of Houston. This is an extremely dangerous and potentially life-threatening flood situation. The Harris County Office of Emergency Management says hundreds of homes have been flooded on the west side of the county due to the widespread heavy rainfall. Houston TranStar reports 40 separate stretches of metro freeways in high water Tuesday morning, including parts of the Katy Freeway (Interstate 10) from downtown Houston to the Interstate 610 west loop, Interstate 45 north from downtown to Crosstimbers and the Southwest Freeway (U.S. 59) from Spur 527 to the Interstate 610 west loop. Numerous feeder (frontage) roads and surface streets are also underwater in Houston. Hundreds of cars have been stranded in flood waters on Houston metro interstates. In areas not necessarily flooded, some were forced to sleep in their vehicles overnight due to gridlocked traffic. According to KPRC TV, about 200 fans remained at the Toyota Center in Houston early Tuesday morning, about 6 hours after the conclusion of an NBA playoff game between the Houston Rockets and the Golden State Warriors Monday evening. Flooding also stranded people at The Galleria shopping center southwest of downtown Houston. Rainfall rates of more than 4 inches per hour were observed on the west side of the city. Two Harris County Flood Control District rain gauges have recorded almost 11 inches of rain along Beltway 8 south of Interstate 10 on the southwest side of Houston since late Monday evening. Water rescues have been reported and vehicles have been stranded on some metro roads. The Buffalo Bayou at Shepherd Drive rose over 30 from late Monday night into early Tuesday morning, exceeding flooding seen during Hurricane Ike in 2008, but still over 6 feet lower than those during Allison in 2001. Flooding on the Upper Brays Bayou was near the September 1983 flood of record at that location, according to the Harris County Flood Control District. Willow Water Hole surpassed its previous record flood by 2 feet, according to HCFCD. All METRO transportation (buses, rail) has been suspended Tuesday morning until flood waters recede. The Houston Independent School District, and several other metro area districts, have canceled classes Tuesday and closed district offices. At its peak, around 88,000 customers lost power in the metro area overnight Monday night into Tuesday. Additional flash flooding was reported early Tuesday morning in parts of Austin and Washington Counties, between Houston and Austin. Several farm-to-market roads were shut down between Bellville and Chappell Hill.

An areal flood warning continues Tuesday morning for parts of Harris and Fort Bend counties in the Houston metropolitan area, including much of the city of Houston. This is an extremely dangerous and potentially life-threatening flood situation. Central Texas: Multiple water rescues were being performed in Austin, Texas, Monday evening, according to local storm reports. Shoal Creek was out of its banks in downtown Austin, as were several other creeks in the city. The National Weather Service issued a flash flood emergency for Williamson, Travis, Hays, Caldwell, Bastrop and Lee counties in central Texas Monday. A dam failure in Bastrop State Park has prompted county officials to recommend the evacuation of people downstream in the Tahitian Village area Monday evening. A Weather Underground rain gauge in Round Rock, Texas, recorded 4.39 inches of rain in one hour. In nearby Hutto, serious flooding was reported as nearly 4 inches of rain fell in an hour. Rainfall totals Monday have exceeded 6 inches in parts of the Austin area. Barton Creek on Austin's southwest side crested in major flood stage twice over the weekend. Once early Sunday, then again early Tuesday morning. East of Austin, numerous roads were reported closed in Bastrop, Caldwell, and Robertson counties. The San Marcos River is cresting for a second time Tuesday morning at Luling, just over 4 feet lower than Sunday's crest.

Multiple water rescues were being performed in Austin, Texas, Monday evening, according to local storm reports. Shoal Creek was out of its banks in downtown Austin, as were several other creeks in the city. The National Weather Service issued a flash flood emergency for Williamson, Travis, Hays, Caldwell, Bastrop and Lee counties in central Texas Monday. Oklahoma: Flash flooding on the Mountain Fork River in far southeast Oklahoma trapped 13 people in a two-story cabin outside of Broken Bow Monday afternoon. KSLA-TV in Shreveport, Louisiana, reported that all 13 were rescued by a National Guard helicopter after local rescue crews unsuccessfully attempted to rescue them by boat. Three children had to be rescued from the flooded Washita River in Carnegie, Oklahoma, Monday evening. They were eventually saved and taken to a local hospital for observation. A secondary road was washed out near Tahlequah, Oklahoma, around 6 p.m. local time.

Flash flooding on the Mountain Fork River in far southeast Oklahoma trapped 13 people in a two-story cabin outside of Broken Bow Monday afternoon. KSLA-TV in Shreveport, Louisiana, reported that all 13 were rescued by a National Guard helicopter after local rescue crews unsuccessfully attempted to rescue them by boat. Kansas: Flooding struck parts of central and northeast Kansas Monday evening. A rural road was washed out near Marquette, north of Wichita. In northeast Kansas, four roads were closed by flooding in Hiawatha while parts of Kansas Highway 7 flooded near White Cloud.

Flooding struck parts of central and northeast Kansas Monday evening. A rural road was washed out near Marquette, north of Wichita. In northeast Kansas, four roads were closed by flooding in Hiawatha while parts of Kansas Highway 7 flooded near White Cloud. Swift-water rescues were reported in the Dallas area Monday afternoon.

Flooding along the Arkansas River is threatening homes in Van Buren, Arkansas , according to KFSM-TV.

Tornadoes

An elderly man died in a mobile home, four people were injured, and at least four other homes were destroyed by a suspected tornado in Milam County, Texas, around 4 p.m. Monday. The storm hit the small community of Pettibone, near the county seat at Cameron, Texas.

A woman was reportedly killed when a tornado struck her mobile home near Blue, Oklahoma, around 2:55 p.m. CDT Monday.

Another report of a tornado came from the same cell 5 miles east-northeast of Caddo, Oklahoma, at 3:10 p.m.

Another report of a tornado came from the same cell 5 miles east-northeast of Caddo, Oklahoma, at 3:10 p.m. As of 9:25 p.m. CDT, there had been 19 reports of tornadoes from the storm system in the Plains and Mississippi Valley since sunrise Monday. This includes the tornado that injured four people in Fort Lauderdale, Florida, Monday morning.

A tornado was reported near Albion, Oklahoma, at 5:10 p.m. CDT. The National Weather Service in Tulsa said "severe damage" was reported in Albion, which is in southeast Oklahoma.

A tornado was spotted 5 miles south of La Grange, Texas, at 6:20 p.m. CDT. This tornado has been confirmed via social media video.

A tornado was spotted near Ola, Arkansas, at 6:38 p.m. CDT.

A tornado was spotted 2 miles southwest of Maxwell, Texas, at 4:24 p.m. CDT.

A tornado was spotted 3 miles east of Atoka, Oklahoma, at 3:43 p.m. CDT.

One fatality was attributed to the Blue, Oklahoma, tornado.

Tornado reported 2 miles south of Colbert, Oklahoma, near Highway 75 at 2:35 p.m.

Two tornadoes were reported in Denison, Texas, at 2:30 p.m. CDT.

A tornado was reported 3 miles east of Lampasas, Texas, at 1:46 p.m. CDT. The same supercell thunderstorm spawned a reported tornado 1 mile north of Pidcoke, Texas, at 2:18 p.m. CDT.

A tornado was reported near Fredericksburg, Texas, at 12:43 p.m. CDT. The same cell spawned a reported tornado on the LBJ Ranch in Blanco County, Texas, at 1:01 p.m., and in Round Mountain, Texas, at 1:24 p.m. CDT.

A likely tornado struck Amory, Mississippi, around 8:30 a.m. CDT. There are reports of buildings and trees damaged.

A brief tornado was reported at 9:45 a.m. CDT near Sweetwater, Texas, along Highway 70.

High Winds, Large Hail

One building was demolished and two others were damaged in the New Orleans suburb of Kenner early Tuesday morning, according to WWL-TV. Jefferson Highway was closed between Williams and Daniel due to damage. This may have been due to a tornado.

Trees and power lines were downed in Hinds County, Mississippi Monday night. A gas station canopy was ripped off in Gluckstadt, northeast of Jackson, Mississippi.

More than three-fourths of all SWEPCO electricity customers in Scott and Sevier counties of Arkansas were without power late Monday night.

Straight-line winds knocked trees onto homes in Poteau, Oklahoma, around 6:10 p.m. local time. A spotter clocked a 78-mph wind gust north of the eastern Oklahoma town at that time.

Hail researchers measured hailstones 4.75 inches in diameter – larger than softballs – in a rural area of Brown County in northeast Kansas Monday afternoon.

Golfball-size hail was reported near Nebraska City, Nebraska, early Monday evening.

Wind snapped utility poles in Fisher County, Texas, around 10 a.m. CDT.

All tornado warnings, along with other relevant information from The Weather Channel and local National Weather Service offices in current threat areas, will appear here.

Information updates automatically; no need to reload or refresh your browser. Time stamps on the left are in Eastern time; subtract one hour for Central time, two hours for Mountain time and three hours for Pacific time.

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