Expected

* WHAT...Heat index values up to 108 expected. * WHERE...Portions of central, east central, northwest, southeast, southern, southwest, and western Oklahoma and northern Texas. * WHEN...From 11 AM to 9 PM CDT Tuesday. * IMPACTS...Hot temperatures and high humidity may cause heat illnesses. 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 106. * WHERE...In Illinois, Washington IL and Randolph IL Counties. In Missouri, Crawford MO, Washington MO, Iron MO, Madison MO, Reynolds MO, Saint Francois MO, and Sainte Genevieve MO Counties. * WHEN...Until 7 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

* WHAT...Heat index values up to 102. * WHERE...Portions of south central and southwest Illinois and central and east central Missouri. * WHEN...Until 7 PM CDT Tuesday. * IMPACTS...Hot temperatures and high humidity may cause heat illnesses. Drink plenty of fluids, stay in an air-conditioned room, stay out of the sun, and check up on relatives and neighbors. Young children and pets should never be left unattended in vehicles under any circumstances. Take extra precautions if you work or spend time

* WHAT...Dangerously hot conditions with heat index values up to 106. * WHERE...In Illinois, Monroe IL and Saint Clair IL Counties. In Missouri, Jefferson MO County. * WHEN...Until 7 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. Young children and pets should never be left unattended in vehicles under any

* WHAT...Dense fog will reduce visibility to less than one nautical mile. * WHERE...Portions of Central, Eastern and Western Lake Superior. * WHEN...Until 8 AM EDT /7 AM CDT/ Tuesday. * IMPACTS...Low visibility will make navigation difficult. If you must navigate, proceed with caution. Use proper fog signals. Make sure all running lights are on. Remember to use your radar and compass.

At 1014 PM EDT, Doppler radar was tracking a strong thunderstorm over Rockville, or 19 miles north of Terre Haute, moving south at 35 mph. HAZARD...Wind gusts up to 50 mph and half inch hail. SOURCE...Radar indicated. IMPACT...Gusty winds could knock down tree limbs and blow around unsecured objects. Minor hail damage to vegetation is possible. Locations impacted include... Terre Haute, Brazil, Clinton, Rockville, Fairview Park, Seelyville, Montezuma, Knightsville, Rosedale, Harmony, Staunton, Carbon, Mecca,

At 944 PM EDT, Doppler radar was tracking a strong thunderstorm 16 miles south of Greensboro, or 19 miles southwest of Quincy, moving south at 25 mph. HAZARD...Wind gusts up to 40 mph and pea size hail. SOURCE...Radar indicated. IMPACT...Gusty winds could knock down tree limbs and blow around unsecured objects. Minor hail damage to vegetation is possible. Locations impacted include... Telogia, East Camp, Smith Creek, Jewel Fire Tower, Poplar Camp, Hosford, Lowry, Bloxham, and Clio.

At 945 PM EDT, Doppler radar was tracking a strong thunderstorm over North Higgins Lake, or 8 miles west of Roscommon, moving southeast at 40 mph. HAZARD...Penny size hail. SOURCE...Radar indicated. IMPACT...Minor hail damage to vegetation is possible. Locations impacted include... Roscommon, St. Helen, Higgins Lake, North Higgins Lake, Clear Lake, Lake St. Helen, South Higgins Lake, and Foster Township. If outdoors, consider seeking shelter inside a building.

Rainfall this afternoon of up around 3 inches has lead to a rapid rise in the South Fork on the Republican River. Rapid in bank rises are occurring. * WHAT...Small stream flooding caused by excessive rainfall is expected. * WHERE...Along the South Fork on the Republican River in West Central Cheyenne County in northwestern Kansas... * WHEN...Until 300 AM CDT Tuesday. * IMPACTS...Minor flooding in low-lying and poor drainage areas. Dangerous flows over low-water crossings. River or stream flows are elevated.

At 948 PM EDT/848 PM CDT/, Doppler radar was tracking a strong thunderstorm 14 miles northeast of Lynn Haven, moving southeast at 30 mph. HAZARD...Wind gusts up to 40 mph. SOURCE...Radar indicated. IMPACT...Gusty winds could knock down tree limbs and blow around unsecured objects. Locations impacted include... Stonemill Creek, Orange, Wewahitchka, Honeyville, Fountain, Chipola Cutoff, Singer Road, College Station, Bayou George, Camp Flowers, Red Hill, Scotts Ferry, Gainer Spring, Bennett, Youngstown, Kinard,