Thunderstorms and Heavy Rain in the Mid-South; Heat Continues in the Southeast and Southwest

Severe thunderstorms and heavy rain are expected across portions of the mid-Mississippi Valley into the Ohio Valley and portions of Arizona. Dangerous heat persists in the South and Southeast while building into the Southwest. Overnight lows will be so warm that, when combined with oppressive dew points, little-to-no relief from the scorching daytime highs will be available. Read More >

Click a location below for detailed forecast.

Last Map Update: Wed, Aug 19, 2026 at 11:54:27 am CDT

Watches, Warnings & Advisories

Zoom Out

National Weather Service Austin/San Antonio, TX

National Weather Service Houston/Galveston, TX

National Weather Service Lake Charles, LA

Extreme Heat Warning

Heat Advisory

Hazardous Weather Outlook

Extreme Heat Warning and Heat Advisory in Effect

Heat Continues with Low Storm Chances

A Hot Weekend Forecast

Extreme Heat Safety

Dangerously hot conditions will continue across the region, prompting an Extreme Heat Warning for North Texas and a Heat Advisory for Central Texas. Remember to stay hydrated and limit time spent outdoors to prevent heat-related illnesses.

Unseasonably hot conditions will continue, but a few thunderstorms will be possible across the northeast on Thursday associated with a weak front. Gusty winds and frequent lightning would be the main storm threats. Otherwise, continue to stay cool and hydrated!

Temperatures will climb well into the triple digits this weekend with little to no rain chances expected. Remember to take precautions to avoid heat related illnesses if you have outdoor weekend plans.

Extreme heat is expected this week. Everyone is at risk from the dangers of extreme heat, but these groups are more vulnerable than most. Ensure that your loved ones and neighbors are safe from the heat and remain Weather-Ready. weather.gov/safety/heat-during