* WHAT. Dangerously hot conditions with heat index values up to 113 expected. * WHERE. Washington IL, Madison IL, Monroe IL, Randolph IL, and Saint Clair IL Counties. * WHEN. From 1 PM this afternoon to 7 PM CDT Thursday. * IMPACTS. Heat related illnesses increase significantly during extreme heat and high humidity events.

* WHAT. Dangerously hot conditions with heat index values up to 111. * WHERE. Portions of central, east central, northeast, and southeast Missouri. * WHEN. Until 7 PM CDT Thursday. * IMPACTS. Heat related illnesses increase significantly during extreme heat and high humidity events.

* WHAT. Heat index values of 105 to 110 expected. * WHERE. Crawford MO, Washington MO, Iron MO, Madison MO, Reynolds MO, and Saint Francois MO Counties. * WHEN. Until 7 PM CDT Thursday. * IMPACTS. Hot temperatures and high humidity may cause heat illnesses.

* WHAT. Heat index values of 105 to 110 expected. * WHERE. Portions of south central, southwest, and west central Illinois. * WHEN. From 1 PM this afternoon to 7 PM CDT Thursday. * IMPACTS. Hot temperatures and high humidity may cause heat illnesses.

* WHAT. Dangerously hot conditions with heat index values around 110 expected, and locally higher readings up to 115 possible. * WHERE. Portions of southern Illinois, western Kentucky, and southeast Missouri. * WHEN. From 11 AM this morning to 8 PM CDT Wednesday. * IMPACTS. Heat related illnesses increase significantly during extreme heat and high humidity events.

The Flood Warning is extended for the following rivers in Illinois. Missouri. Mississippi River at Louisiana. Mississippi River at Clarksville. . The Flood Warning continues for the following rivers in Illinois. Missouri. Mississippi River at Winfield. Mississippi River at Hannibal. River forecasts are based on observed precipitation and forecast precipitation for the next 24 hours. * WHAT. Minor flooding is occurring and minor flooding is forecast. * WHERE. Mississippi River at Winfield. * WHEN. Until Wednesday morning. * IMPACTS. At 27.5 feet, At this stage, Lock and Dam 25 will stockpile 200 tons of sand, 12,000 sandbags, and 10,000 square feet of polyethylene plastic as a precaution. * ADDITIONAL DETAILS. - At 8:30 PM CDT Sunday the stage was 27.1 feet. - Recent Activity. The maximum river stage in the 24 hours ending at 8:30 PM CDT Sunday was 27.8 feet. - Forecast. The river is expected to fall below flood stage early Tuesday morning and continue falling to 21.6 feet Sunday, August 04. - Flood stage is 26.0 feet.

The Flood Warning is extended for the following rivers in Missouri. Illinois. Mississippi River at Winfield. . The Flood Warning continues for the following rivers in Missouri. Illinois. Mississippi River at Louisiana. Mississippi River at Clarksville. . The Flood Warning is cancelled for the following rivers in Missouri. Illinois. Mississippi River at Hannibal. River forecasts are based on observed precipitation and forecast precipitation for the next 24 hours. * WHAT. Minor flooding is occurring and minor flooding is forecast. * WHERE. Mississippi River at Clarksville. * WHEN. Until Thursday morning. * ADDITIONAL DETAILS. - At 11:00 AM CDT Monday the stage was 26.1 feet. - Recent Activity. The maximum river stage in the 24 hours ending at 11:00 AM CDT Monday was 26.8 feet. - Forecast. The river is expected to fall below flood stage early Wednesday morning and continue falling to 21.6 feet Monday, August 05. - Flood stage is 25.0 feet.

The National Weather Service in St Louis MO has issued a Flood Warning for the following rivers in Illinois. Kaskaskia River at Carlyle. River forecasts are based on observed precipitation and forecast precipitation for the next 24 hours. * WHAT. Minor flooding is occurring and minor flooding is forecast. * WHERE. Kaskaskia River at Carlyle. * WHEN. From this morning to early Thursday morning. * IMPACTS. At 16.5 feet, Near this height, downstream agricultural fields begin flooding. * ADDITIONAL DETAILS. - At 6:30 AM CDT Tuesday the stage was 16.8 feet. - Recent Activity. The maximum river stage in the 24 hours ending at 6:30 AM CDT Tuesday was 17.1 feet. - Forecast. The river is expected to fall below flood stage this evening and continue falling to 14.4 feet Tuesday, August 06. - Flood stage is 16.5 feet.

The Flood Warning is extended for the following rivers in Illinois. Missouri. Mississippi River at Winfield. Mississippi River at Louisiana. Mississippi River at Clarksville. River forecasts are based on observed precipitation and forecast precipitation for the next 24 hours. * WHAT. Minor flooding is occurring and minor flooding is forecast. * WHERE. Mississippi River at Winfield. * WHEN. Until early Wednesday afternoon. * ADDITIONAL DETAILS. - At 9:30 PM CDT Monday the stage was 26.3 feet. - Recent Activity. The maximum river stage in the 24 hours ending at 9:30 PM CDT Monday was 27.0 feet. - Forecast. The river is expected to fall below flood stage tomorrow morning and continue falling to 21.3 feet Monday, August 05. - Flood stage is 26.0 feet.