Moderate

The combination of hot temperatures and elevated humidity levels will produce Heat Index values between 108 and 110 degrees for several hours this afternoon into early this evening. A few locations may briefly experience Heat Index values above 110 degrees. If you plan to spend time outside, drink plenty of water, wear light-weight and light-colored clothing and take frequent breaks from the heat. Young children and pets should never be left unattended in vehicles.

* WHAT...Dangerous swimming conditions from high waves and rip currents expected. Waves as high as 3 to 5 feet possible. * WHERE...Benzie, Manistee, Western Mackinac and Eastern Mackinac Counties, and Beaver Island and surrounding islands. * WHEN...Until 8 PM EDT this evening. * IMPACTS...A high swim risk means that life-threatening waves and currents are expected. Stay out of the water and stay away from dangerous areas like piers and breakwalls. Remain out of the water to avoid hazardous swimming conditions.

* WHAT...Visibility 1/4 mile or less in dense fog. * WHERE...In Iowa, Floyd, Mitchell, Chickasaw, Fayette, Howard, and Winneshiek Counties. In Minnesota, Fillmore County. * WHEN...Until 11 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 one quarter mile or less in dense fog. * WHERE...A portion of southeast Georgia. * WHEN...Until 10 AM EDT 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.

Areas of fog will continue this morning. The fog will be dense in some areas, with visibilities a quarter of a mile or less. Use caution if traveling. The fog is expected to gradually dissipate, with visibilities improving by 10 AM.

* WHAT...Visibility less than one mile in dense fog. * WHERE...A portion of southeast Georgia. * WHEN...Until 10 AM EDT 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 quarter mile in dense fog. * WHERE...Portions of central, east central, north central, northeast, southeast, and west central Georgia. * WHEN...Until 11 AM EDT 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 one quarter mile or less in dense fog. * WHERE...Cameron, Clearfield, Elk, McKean, Potter, and Warren Counties. * WHEN...Until 10 AM EDT this morning. * IMPACTS...Low visibility could make driving conditions hazardous. If driving, slow down, use your low-beam headlights, and leave plenty of distance ahead of you.

* WHAT...Visibility one quarter mile or less at times in dense fog. * WHERE...Portions of northwest and west central Iowa, southwest Minnesota, northeast Nebraska, and central, east central, south central, and southeast South Dakota. * WHEN...Until 10 AM CDT this morning. * IMPACTS...Low visibility or rapidly changing visibility could make driving conditions hazardous. If driving, slow down, use your headlights, and leave plenty of distance ahead of you.

* WHAT...Visibility one quarter mile or less at times in dense fog. * WHERE...Buena Vista, Clay, Dickinson, and Ida Counties. * WHEN...Until 10 AM CDT this morning. * IMPACTS...Low visibility or rapidly changing visibility could make driving conditions hazardous. If driving, slow down, use your headlights, and leave plenty of distance ahead of you.