Expected

* WHAT...Dangerously hot conditions with heat index values in excess of 110 degrees. * WHERE...Portions of north central and northwest Mississippi. * WHEN...From 10 AM to 9 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. Do not leave young children and pets in unattended vehicles. Car

Heat indices have fallen out of warning criteria and will continue to fall this evening.

* WHAT...Dangerously hot conditions with heat index values up to 100. * WHERE...Portions of northeast Kansas and north central, northeast, northwest, and west central Missouri. * WHEN...Until 7 AM 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.

* WHAT...Dangerously hot conditions with heat index values up to 98. * WHERE...Portions of east central and northeast Kansas and central and west central Missouri. * WHEN...Until 7 AM 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.

* 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.

...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.

* WHAT...Dangerously hot conditions with heat index values up to around 110 to 115 expected. * WHERE...Much of central and southern Iowa. * WHEN...Until 10 PM CDT this evening. * 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.

* WHAT...For the Blowing Dust Warning, widespread blowing dust and visibilities down to one quarter mile are possible. For the Heat Advisory, heat index values up to 103. * WHERE...Graham, Sheridan, and Gove Counties. * WHEN...For the Blowing Dust Warning, until 9 PM CDT this evening. For the Heat Advisory, until 10 PM CDT this evening. * IMPACTS...Severely limited visibilities are expected. Travel will be dangerous and possibly life-threatening. Poor air quality may

* WHAT...For the Blowing Dust Warning, widespread blowing dust and brown out conditions. For the Heat Advisory, heat index values up to 103. * WHERE...Graham, Sheridan, and Gove Counties. * WHEN...For the Blowing Dust Warning, until 9 PM CDT this evening. For the Heat Advisory, until 10 PM CDT this evening. * IMPACTS...Severely limited visibilities are expected. Travel will be dangerous and possibly life-threatening. Poor air quality may cause issues for people with respiratory problems. Heat related