National Weather Service United States Department of Commerce

Severe Thunderstorms and Flash Flooding Potential Across the Gulf Coast States

Strong to severe thunderstorms capable of producing large hail, damaging winds, a few tornadoes and heavy rain will be in play across the western and central Gulf Coast over the next few days. Multiple rounds of heavy rainfall may lead to considerable flash and urban flooding especially within vulnerable areas. New and renewed river flooding will also be possible. Read More >

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Day 3 Heat Risk
Day 4 Heat Risk
Day 5 Heat Risk
Day 6 Heat Risk
Day 7 Heat Risk
 
Category Level Meaning
Green 0 No Elevated Risk
Yellow 1 Low Risk for those extremely sensitive to heat, especially those without effective cooling and/or adequate hydration
Orange 2 Moderate Risk for those who are sensitive to heat, especially those without effective cooling and/or adequate hydration
Red 3 High Risk for much of the population, especially those who are heat sensitive and those without effective cooling and/or adequate hydration
Magenta 4 Very High Risk for entire population due to long duration heat, with little to no relief overnight
 
 
Day 3 Heat Index
Day 4 Heat Index
Day 5 Heat Index
Day 6 Heat Index
Day 7 Heat Index
 

 

NWS Heat Index values

 

Classification Heat Index Effect on the body
Caution 80°F - 90°F Fatigue possible with prolonged exposure and/or physical activity
Extreme Caution 90°F - 103°F Heat stroke, heat cramps, or heat exhaustion possible with prolonged exposure and/or physical activity
Danger 103°F - 124°F Heat cramps or heat exhaustion likely, and heat stroke possible with prolonged exposure and/or physical activity
Extreme Danger 125°F or higher Heat stroke highly likely