Update at 3:10 a.m. CDT Tuesday:
This blog is no longer live, as the threat for severe weather has diminished. However, some thunderstorms still continue from eastern Texas to Illinois. Detailed reports of the event can be found below.
The severe weather threat, which began on Sunday across the Plains, continued into Monday night as storms move eastward into the Midwest.
The main threats that these storms brought were hail and damaging winds, although a few stronger storms managed to spin up brief tornadoes.
Some storms dropped several inches of rain in under an hour, resulting in flash flooding. The worst of this flooding occurred in Texas around the cities of San Antonio, Houston and Austin.
2:47 a.m. CDT Tuesday: Heavy thunderstorms continue to impact Houston, San Antonio and Austin.
1:14 a.m. CDT Tuesday: Eight roads in New Braunfels, Texas, have been closed and barricaded due to flooding, according to Emergency Manager.
12:20 a.m. CDT Tuesday: There are more than 21,000 electric customers being affected by power outages around San Antonio, according to CPS Energy.
11:42 p.m. CDT Monday: TXDOT has closed the lower levels of I-35 in downtown San Antonio due to flooding.
11:17 p.m. CDT Monday: Heavy rain has totaled 3.02 inches in just 70 minutes northwest of San Antonio, according to CoCoRaHS.
10:44 p.m. CDT Monday: Farm fields are flooding onto roads around the town of Atkinson, Wisconsin, according to law enforcement.
10:05 p.m. CDT Monday: High waters are pouring through basement windows into a home near the town of Waukesha, Wisconsin, NWS employee reports.
9:53 p.m. CDT Monday: Heavy downpours have flooded multiple streets around the Cleveland area, leaving some cars stranded, according to NWS spotters.
9:34 p.m. CDT Monday: Rain has totaled 3.75 inches so far today near Keokuk, Iowa, with rain still in the area, according to NWS spotter.
8:35 p.m. CDT Monday: Heavy rain totaling 2.33 inches reported 4 miles east of Bath, Clinton County, Michigan, according to Mesonet.
7:54 p.m. CDT Monday: Tornado warning sirens sound in Medina, Ohio.
(Photo/Twitter User @T_Romanotto2)
7:35 p.m. CDT Monday:
7:28 p.m. CDT Monday: Heavy rain totaling 2.6 inches in 90 minutes reported in Shelbina, Monroe County, Missouri, according to NWS spotter.
7:20 p.m. CDT Monday: Flash flooding totaling more than 2 feet of water on roadway near Whitney, Hill County, Texas, reports county law enforcement.
6:52 p.m. CDT Monday: Flooding near Vermilion Ohio:
(Photo/ Mitch Peterson)
6:35 p.m. CDT Monday: Wind gusts up to 50 mph, hail and street flooding reported 4 miles SSW of Keokuk, Hancock County, Iowa, reports NWS spotter.
6:30 p.m. CDT Monday:
All storms along the east of the Mississippi River through 8 pm will be capable of producing pea size hail & 40 to 50 mph winds! Go inside!— NWS Quad Cities (@NWSQuadCities) May 12, 2014
5:54 p.m. CDT Monday: Due to thunderstorms, ground delays are in effect for arrival traffic to Chicago O'Hare International Airport & Detroit Metropolitan Wayne County Airport, reports FAA.
5:15 p.m. CDT Monday: Hail in Vermilion, Ohio
(Photo/ Mitch Peterson)
4:29 p.m. CDT Monday:
Rope tornado reported just north of Detroit Beach in Monroe County at 5:22PM— NWS Detroit (@NWSDetroit) May 12, 2014
3:57 p.m. CDT Monday: Funnel cloud reported near Taylor, Wayne County, Michigan, according to NWS spotter.
3:45 p.m. CDT Monday:
3:42 p.m. CDT Monday: Golf ball-sized hail in Beloit, Rock County, Wisconsin, law enforcement reports
A fast-moving snowstorm will sweep through the Plains and Midwest through the middle of the week, but its impacts come during the busiest travel time of the year.
A storm with rain and heavy snow will cause major disruptions and delays for Thanksgiving travel on the East Coast and in the Appalachians.
New York Gov. Andrew Cuomo apologized Monday for his harsh criticism of the National Weather Service's lake-effect snow forecasts.
Areas of snow and ice will create slippery travel for some northern states on Black Friday, while the weather will cooperate for shoppers over most of nation.
Temperatures will plummet across the Minneapolis area following Thanksgiving Day as frigid air holds through the weekend.
Rounds of tropical downpours threaten to cause flooding across the Philippines this week with the danger also spreading to Vietnam.
North Dakota (1896)
Thanksgiving Day Blizzard. "Wind Velocity and snowfall never equalled before."
Destructive windstorm in the Northwest; winds gusting to 105 mph in Cut Bank, MT; 96 mph in Sheridan, WY. Spokane, WA, radio tower downed. Coleville, WA, lumber shed demolished.
Barst, Guadeloupe (1970)
1.50 inches of rain in 1 minute -- world record.