Extreme Heat Warnings, Extreme Heat Watches, and Heat Advisories are in effect across 31 U.S. states after the National Weather Service (NWS) issued a series of heat alerts on June 29, 2026. Peak heat index values are forecast to reach 46°C (115°F), with dangerous heat and humidity expected to persist into early July across parts of the Midwest, Northeast, Southeast, and central United States.
Tropical Storm Arthur formed about 100 km (60 miles) east-northeast of Port O’Connor, Texas on June 17, 2026 and is forecast to move northeastward along the Gulf Coast before tracking inland over southwestern Louisiana.
Heavy rainfall, flash flooding, storm surge, and isolated tornadoes are expected across portions of the Gulf Coast as Potential Tropical Cyclone One tracks along the Texas coast on June 17, 2026. While the system is unlikely to develop into a tropical cyclone, it could bring rainfall totals of up to 500 mm (20 inches) to some areas along with the severe weather.
Flash floods struck Atlanta, Georgia, on May 20, stranding multiple vehicles along the downtown connector and forcing Waymo to suspend autonomous vehicle operations after two driverless cars drove into flooded streets.
Two major wildfires in southeast Georgia have burned over 16 000 ha (40 000 acres) and destroyed 143 structures by April 25, 2026, with federal fire officials reporting extreme fire behavior near the Florida line. The Highway 82 Fire in Brantley County and the Pineland Road Fire in Clinch and Echols counties remained 10% contained, with evacuations and road closures in effect.
More than 80 homes have been destroyed by a wildfire in Brantley County, Georgia, as of April 24, 2026, prompting evacuation orders in multiple communities. Approximately 1 000 structures remain under threat as the fire continues to spread under dry and windy conditions, with containment still limited.
Hundreds of wildfires continued burning across southern Georgia on April 22, 2026, prompting authorities to place 91 counties under a State of Emergency for at least 30 days. The fires have burned more than 14 160 ha (35 000 acres) this month, destroyed dozens of structures, and forced evacuations as drought conditions persist.
Red Flag Warnings are in effect across the Central Plains and Southeast United States on March 28, 2026, as the National Weather Service (NWS) warns of critical fire weather conditions driven by strong winds, low relative humidity, and dry fuels. Wind gusts up to 80 km/h (50 mph) and humidity levels as low as 10–20% are expected to promote rapid fire ignition and spread. Outdoor burning is strongly discouraged across all warned regions.
An atmospheric river affecting California on February 11, 2026, is forecast to evolve into a cross-country storm moving across the southern U.S. through February 13–14, 2026. Widespread rainfall totals of 25 to 75 mm (1–3 inches), with locally higher amounts, are possible across Texas to Georgia. Heavy snow is ongoing in the Sierra Nevada, with additional accumulations expected in the Wasatch and central Rockies.
Ice storm warnings are in effect for parts of Mississippi, Alabama, Tennessee, and Georgia between January 24 and 26, 2026. Ice accumulations of 6 mm to 25 mm (0.25 to 1 inch) and wind gusts up to 30 mph (48 km/h) are forecast across the regions. The combination of freezing rain, sleet, and gusty winds is expected to cause widespread power outages, tree damage, and extremely hazardous travel conditions.
