The worst severe weather outbreak so far this year will continue to unfold through Sunday night with the danger of violent tornadoes high in the vicinity of Arkansas and southern Missouri.
Places from northeastern Texas and northern Louisiana to southern Iowa and Illinois will remain at risk for one or two rounds of violent thunderstorms to close out the weekend.
The danger zone also extends back to Nebraska.
The strongest thunderstorms will remain capable of producing damaging winds, large hail, frequent lightning and destructive tornadoes.
Cities within this zone include St. Louis, Jefferson City, Joplin and Springfield, Mo.; Jonesboro and Little Rock, Ark.; Shreveport, La.; and Tyler, Texas.
The greatest risk of violent tornadoes is centered around Arkansas and southern Missouri.
Some tornadoes that develop in this area could be long-lived, tracking on the ground for many miles before the storm weakens and the twister lifts off the ground.
An added danger will accompany the storms as they continue into Sunday night with the cover of darkness making it difficult to see a storm as it approaches.
It is important to know the difference between a tornado watch and a tornado warning.
A tornado watch means that conditions are conducive to the development of thunderstorms capable of producing a tornado. Meanwhile, a warning means that a tornado is imminent or may already be on the ground.
If you find yourself in a tornado warning, you should take shelter until the storm has passed and the tornado warning has been lifted.
If you have plans to spend any time in the outdoors, you should pay close attention to the forecast and fast-changing weather conditions so you don't get stuck in the middle of a severe thunderstorm.
Now would be a good time to review tornado safety measures and make a plan in case you are impacted by one of these severe storms.
The threat for severe weather will slowly shift eastward heading into the start of this week, stretching from Alabama to Ohio on both Monday and Tuesday.
Repeating and slow-moving storms will raise the risk of flash flooding and damaging winds over the northern and central High Plains into Thursday night.
As July draws to a close, a storm system swinging up from the Deep South will bring downpours to the northeastern U.S. and break the back of an extended heat wave.
Rounds of showers and thunderstorms moving westward off the coast of Africa may pave the way for future tropical systems over the Atlantic Ocean in the weeks ahead.
Highs will run between 10 and 15 degrees Fahrenheit above average across much of the interior western United States into the upcoming weekend.
A budding tropical system threatens to bring flooding rain to the Philippines into this weekend with potential future impacts on China and Taiwan.
The heat felt across the United Kingdom during the middle of July has faded and is not expected to return through at least the first week of August.
5-12" of rain north of Denver led to serious flash flooding (28th-29th). 108 mobile homes were destroyed and 481 others were damaged in Ft. Collins. 5 people were killed and 40 others injured.
Sharon, PA (1999)
70 mph wind gus in a thunderstorm.
Small but intense storm, said to be the worst in about 50 years, hit southern Mississippi (where Camille hit in 1969). U.S. Coast Guard cutter lost with 39 aboard.