Severe

SVRLBF The National Weather Service in North Platte has issued a * Severe Thunderstorm Warning for... Northeastern Cherry County in north central Nebraska... Brown County in north central Nebraska... Southwestern Keya Paha County in north central Nebraska... * Until 830 PM CDT. * At 746 PM CDT, severe thunderstorms were located along a line extending from 9 miles southeast of Valentine to 7 miles east of Valentine National Wildlife Refuge, moving southeast at 40 mph. HAZARD...60 mph wind gusts and penny size hail.

SEVERE THUNDERSTORM WATCH 521, PREVIOUSLY IN EFFECT UNTIL 8 PM CDT THIS EVENING, IS NOW IN EFFECT UNTIL 10 PM CDT THIS EVENING FOR THE FOLLOWING AREAS IN ILLINOIS THIS WATCH INCLUDES 7 COUNTIES IN EAST CENTRAL ILLINOIS CLARK EDGAR VERMILION IN SOUTHEAST ILLINOIS CRAWFORD JASPER LAWRENCE RICHLAND THIS INCLUDES THE CITIES OF DANVILLE, LAWRENCEVILLE, MARSHALL, NEWTON, OLNEY, PARIS, AND ROBINSON.

At 749 PM CDT, a severe thunderstorm was located 7 miles northwest of Halsey, or 9 miles east of Thedford, moving east at 10 mph. HAZARD...60 mph wind gusts and nickel size hail. SOURCE...Radar indicated. IMPACT...Expect damage to roofs, siding, and trees. Locations impacted include... Halsey and Natwick. This includes the following highways... Highway 2 between mile markers 213 and 228. Highway 83 between mile markers 144 and 146, and between mile markers 149 and 150.

* WHAT...Dangerously hot conditions with heat index values up to 115 expected. * WHERE...Portions of northwest and west central Arkansas and east central, northeast, and southeast Oklahoma. * WHEN...From noon to 8 PM CDT Tuesday. * IMPACTS...Heat related illnesses increase significantly during extreme heat and high humidity events. Drink plenty of fluids, stay in an air-conditioned room, stay out of the sun, and check up on relatives and neighbors.

At 752 PM CDT, a severe thunderstorm was located near Flat Rock, or 7 miles north of Lawrenceville, moving south at 40 mph. HAZARD...Golf ball size hail and 70 mph wind gusts. SOURCE...Radar indicated. IMPACT...People and animals outdoors will be injured. Expect hail damage to roofs, siding, windows, and vehicles. Expect considerable tree damage. Wind damage is also likely to mobile homes, roofs, and outbuildings. This severe thunderstorm will remain over mainly rural areas of

SVRILX The National Weather Service in Lincoln has issued a * Severe Thunderstorm Warning for... Lawrence County in southeastern Illinois... * Until 900 PM CDT. * At 754 PM CDT, a severe thunderstorm was located near Flat Rock, or 8 miles south of Robinson, moving south at 35 mph. HAZARD...70 mph wind gusts and ping pong ball size hail. SOURCE...Radar indicated. IMPACT...People and animals outdoors will be injured. Expect hail damage to roofs, siding, windows, and vehicles. Expect

At 854 PM EDT, severe thunderstorms were located along a line extending from 6 miles north of New Castle to near Bedford to 9 miles north of Prospect to 13 miles south of Scottsburg, moving south at 35 mph. HAZARD...60 mph wind gusts. SOURCE...Radar indicated. IMPACT...Expect damage to roofs, siding, and trees. Locations impacted include... La Grange, New Castle, Bedford, Pendleton, Charlestown, Crestwood, Owen, Goshen, Campbellsburg, and River Bluff.

SVRIND The National Weather Service in Indianapolis has issued a * Severe Thunderstorm Warning for... Central Fountain County in west central Indiana... Western Warren County in west central Indiana... * Until 945 PM EDT. * At 855 PM EDT, a severe thunderstorm was located near Williamsport, or 16 miles southeast of Hoopeston, moving southeast at 25 mph. HAZARD...Ping pong ball size hail and 60 mph wind gusts. SOURCE...Radar indicated. IMPACT...People and animals outdoors will be injured. Expect hail

At 655 PM MDT, Doppler radar indicated thunderstorms producing heavy rain over the Monroe Canyon Burn Scar. Between 0.4 and 0.65 inches of rain have fallen in the Monroe Canyon and Dry Canyon drainages. Flash flooding is ongoing. Excessive rainfall over the burn scar will result in debris flow moving through Monroe Canyon and Dry Canyon. The debris flow can consist of rock, mud, vegetation and other loose materials. HAZARD...Life threatening flash flooding. Thunderstorms producing

...The National Weather Service in Chicago IL has issued a Flood Warning for the following rivers in Illinois... Thorn Creek at Thornton affecting Cook County. For the Thorn Creek...including Thornton...Minor flooding is forecast. * WHAT...Minor flooding is forecast. * WHERE...Thorn Creek from Near Glenwood downstream to confluence with Little Calumet River, including the Thornton gauge. * WHEN...Until early Tuesday afternoon. * IMPACTS...At 9.0 feet, Water begins to be diverted through Thorn Creek Diversion Tunnel.