* WHAT...Visibility less than one mile in dense fog.

* WHERE...Portions of East Arkansas, North Mississippi, the Missouri
Bootheel, and West Tennessee.

* WHEN...Until 8 AM CDT Monday.

* IMPACTS...Low visibility could make driving conditions hazardous.

* WHAT...Heat index values up to 107 degrees.

* WHERE...Portions of East Arkansas, North Mississippi, and West
Tennessee.

* WHEN...Until 7 PM CDT this evening.

* IMPACTS...Hot temperatures and high humidity may cause heat
illnesses.

AQAMEG

The Shelby County Health Department has issued a Code Orange Particle
Pollution Health Advisory effective for Shelby County Tennessee,
Crittenden County Arkansas, and DeSoto County Mississippi,
including the city of Memphis that will remain in effect until
midnight. This particle pollution health advisory is due to monitored
values that are unhealthy for sensitive groups. The Shelby County
Health Department recommends that active children and adults, and
people with heart and respiratory disease, such as asthma, limit
prolonged outdoor exertion. Please continue to check the latest air
quality forecasts and updates until monitored values return to safe
levels. For more information go to www.airnow.gov.

* WHAT...Heat index values up to 106 degrees expected.

* WHERE...Portions of East Arkansas, North Mississippi, and West
Tennessee.

* WHEN...Until 7 PM CDT Friday.

* IMPACTS...Hot temperatures and high humidity may cause heat
illnesses.

* WHAT...For the Heat Advisory, heat index values up to 107 degrees.
For the Excessive Heat Warning, dangerously hot conditions with
heat index values up to 112 degrees expected.

* WHERE...In Mississippi, DeSoto, Panola, Tate, and Yalobusha
Counties. In Tennessee, Crockett, Fayette, Gibson, and Haywood
Counties.

* WHEN...For the Heat Advisory, until 4 AM CDT Tuesday. For the
Excessive Heat Warning, from 5 AM to 9 PM CDT Tuesday.

* IMPACTS...Heat related illnesses increase significantly during
extreme heat and high humidity events.

* WHAT...For the Heat Advisory, heat index values up to 107 degrees.
For the Excessive Heat Warning, dangerously hot conditions with
heat index values up to 112 degrees expected.

* WHERE...In Mississippi, DeSoto, Panola, Tate, and Yalobusha
Counties. In Tennessee, Crockett, Fayette, Gibson, and Haywood
Counties.

* WHEN...For the Heat Advisory, until 4 AM CDT Tuesday. For the
Excessive Heat Warning, from 5 AM to 9 PM CDT Tuesday.

* IMPACTS...Heat related illnesses increase significantly during
extreme heat and high humidity events.

* WHAT...Heat index values up to 107 degrees expected.

* WHERE...Portions of East Arkansas, North Mississippi, Southeast
Missouri, and West Tennessee.

* WHEN...From 10 AM this morning to 8 PM CDT this evening.

* IMPACTS...Hot temperatures and high humidity may cause heat
illnesses.

AQAMEG

The Shelby County Health Department has issued a Code Orange Ozone
Forecast effective for Shelby County Tennessee, Crittenden County
Arkansas, and DeSoto County Mississippi, including the city of
Memphis for Today through sunset. This ozone forecast is due to
forecasted ozone values that will be unhealthy for sensitive groups.
These values will exceed the Environmental Protection Agency's
federal safe health standard. The Shelby County Health Department
recommends that sensitive groups which include active children and
adults, and people with respiratory disease, such as asthma, limit
prolonged outdoor exertion. Please continue to check the latest air
quality forecasts and updates until monitored values return to safe
levels.

For more information go to www.airnow.gov.

* WHAT...Heat index values up to 109 degrees expected.

* WHERE...Portions of East Arkansas, North Mississippi, and West
Tennessee.

* WHEN...From 10 AM this morning to 7 PM CDT this evening.

* IMPACTS...Hot temperatures and high humidity may cause heat
illnesses.

* WHAT...Dangerously hot conditions with heat index values up to 110
degrees expected.

* WHERE...Portions of East Arkansas, North Mississippi, Southeast
Missouri, and West Tennessee.

* WHEN...From 11 AM this morning to 8 PM CDT this evening.

* IMPACTS...Heat related illnesses increase significantly during
extreme heat and high humidity events.