Heatwave and Heavy Rain Forecast Across the U.S. Until June 22, Says Weather Service

As summer heats up, large parts of the United States are expected to face above-normal temperatures and more rain than usual until June 22, 2025. The National Weather Service (NWS) has warned that this weather pattern could bring heat-related health risks, travel problems, and even localized flooding in some areas.

Heat Conditions Worsening in the Eastern U.S.

According to the NWS 6–10 day outlook, the eastern half of the U.S. will experience extreme heat. Temperatures may break previous records, especially in cities from the Gulf Coast up to the Midwest. These conditions are much hotter than normal for this time of year.

This extra heat can:

Put pressure on power grids, especially with more people using air conditioning
Lead to heat advisories in several states
Increase the risk of heat exhaustion or heatstroke

Authorities suggest avoiding outdoor work during the hottest part of the day, usually between 12 PM and 4 PM, and drinking plenty of water.

Heavy Rain in the West and Southeast

It’s not just the heat that people need to watch out for. Some parts of the country will also see more rainfall than usual, especially:

From the Pacific Northwest to the Southeast
In states like Louisiana, Mississippi, and parts of the Northeast
Even parts of the West Coast may experience occasional storms, increasing the risk of flash floods

In areas where the ground is already soaked, the chances of flooding are higher. The weather service is warning that localized flooding is a serious risk during this period.

Travel Disruptions Likely

The combination of hot weather and heavy rain can make travel more difficult, especially in the East Coast cities. Roads may become slippery or even flooded, causing delays for both public and private transportation.

If you’re traveling, consider: