Moderate

* WHAT...Heat index values up to 106. * WHERE...Portions of south central and southwest Illinois and central, east central, and southeast Missouri. * WHEN...Until 8 PM CDT Saturday. * 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...Heat index values up to 105. * WHERE...In Illinois, Fayette IL, Montgomery IL, Calhoun IL, Greene IL, Jersey IL, and Macoupin IL Counties. In Missouri, Boone MO, Callaway MO, Lincoln MO, and Montgomery MO Counties. * WHEN...Until 8 PM CDT Friday. * 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

* WHAT...Heat index values up to 105. * WHERE...Portions of south central Indiana and north central, northwest, and south central Kentucky. * WHEN...Until 8 PM EDT /7 PM CDT/ this evening. * 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. To reduce risk during outdoor work, the Occupational Safety and Health Administration recommends scheduling frequent rest breaks in

At 209 AM CDT, Doppler radar was tracking a strong thunderstorm near Riverside, or 11 miles south of Iowa City, moving east at 25 mph. HAZARD...Minor flooding. SOURCE...Radar indicated. IMPACT...Slowing or redirecting of traffic due to ponding or flowing water. Closure of waterfront access due to flooding. Locations impacted include... West Liberty, Lone Tree, Riverside, Hills, Nichols, Atalissa, Saulsbury Bridge Campground, Cranston, Muscatine County Fairgrounds, Ardon, Hills Access, and River Junction.

At 1246 AM MDT, Doppler radar was tracking a strong thunderstorm 7 miles north of Malta, moving north at 35 mph. HAZARD...Wind gusts in excess of 45 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 outdoor objects is possible. Locations impacted include... Lake Walcott, Cold Water Rest Area, Massacre Rocks, Yale Rest Area, and Idahome. If outdoors, consider seeking shelter inside a building.

* WHAT...Visibility one quarter mile or less in dense fog. * WHERE...Portions of north central Kansas and central, east central, and south central Nebraska. * WHEN...Until 10 AM CDT this morning. * IMPACTS...Low visibility could make driving conditions hazardous. If driving, slow down, use your headlights, and leave plenty of distance ahead of you.

* WHAT...Visibility less than one half mile in dense fog. * WHERE...Portions of central and southern Iowa. * WHEN...Until 10 AM CDT this morning. * IMPACTS...Low visibility could make driving conditions hazardous. If driving, slow down, use your headlights, and leave plenty of distance ahead of you.

* WHAT...Visibility less than one half mile in dense fog. * WHERE...Portions of central and northern Iowa. * WHEN...Until 10 AM CDT this morning. * IMPACTS...Low visibility could make driving conditions hazardous. If driving, slow down, use your headlights, and leave plenty of distance ahead of you.

* WHAT...Heat index values up to 105 expected. * WHERE...Pontotoc, Atoka, Bryan, Coal, Hughes, Johnston, Marshall, Carter, and Love Counties. * WHEN...From noon today to 7 PM CDT this evening. * 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...Visibility as low as one quarter to one half mile in dense fog. * WHERE...In Iowa, Harrison and Monona Counties. In Nebraska, Burt, Thurston, Wayne, Nemaha, and Richardson Counties. * WHEN...Until 10 AM CDT this morning. * IMPACTS...Low visibility could make driving conditions hazardous. If driving, slow down, use your headlights, and leave plenty of distance ahead of you.