The Nueces River reached major flood stage at Cotulla late on July 20, 2026 as high river stages progressed through the Nueces–Frio system. The National Weather Service (NWS) forecast the Frio River at Tilden to crest at 8.50 m (27.9 feet) in major flood stage early July 22
Four tornadoes touched down across central Pennsylvania on July 18, 2026, as a line of severe thunderstorms crossed the region, according to National Weather Service damage surveys. The tornadoes included one EF2, two EF1s, and one EF0, producing damage in Huntingdon, Clearfield, Jefferson, and Clarion counties. Despite considerable damage to forests, farms and other structures, no injuries or fatalities were reported.
Tropical Storm Bertha, the second named storm of the 2026 Atlantic hurricane season, formed over the northeastern Gulf at 19:00 CDT on July 20, 2026 (00:00 UTC on July 21) and strengthened to 85 km/h (50 mph) by 06:00 UTC. A Tropical Storm Warning and Storm Surge Watch are in effect along sections of the northern Gulf Coast, where heavy rainfall, flash flooding, coastal inundation, dangerous surf, and rip currents were forecast from western Florida into southern Louisiana.
Deadly flooding triggered by monsoon storms has claimed at least seven lives in southern Arizona as of July 20, 2026.
The Storm Prediction Center issued an Enhanced Risk for severe thunderstorms across parts of the Upper Midwest and Great Lakes on Monday, July 20, 2026. A second Enhanced Risk covers parts of the Ohio Valley, Mid-Atlantic, and Northeast on Tuesday, July 21, with damaging winds, large hail, and tornadoes all possible.
A flash flood near Sunglow Campground outside Bicknell, Utah, killed five members of one family on Friday, July 17, 2026, after they arrived in the area to hike and canyoneer, according to local reports citing the Wayne County Sheriff’s Office.
Tropical Depression Two became better organized over the northeastern Gulf of Mexico on July 20, 2026, prompting the National Hurricane Center (NHC) to expand the Tropical Storm Watch from the Florida Panhandle westward to southeastern Louisiana and issue a Storm Surge Watch for parts of the northern Gulf Coast. The depression had maximum sustained winds of 55 km/h (35 mph) at 15:00 UTC and is expected to become a tropical storm later today, followed by gradual strengthening through Tuesday.
An enhanced risk of severe thunderstorms has been issued for portions of the Northeast, Mid-Atlantic, and Lower Great Lakes on Saturday, July 18, 2026, as an unusually strong upper-level storm system brings the threat of widespread damaging winds, large hail, and several tornadoes through the afternoon and evening.
At least two people were killed and 230 rescued after repeated thunderstorms produced catastrophic flash flooding across the Texas Hill Country and south-central Texas on July 16, 2026. Up to 711 mm (28 inches) of rain fell in northern Uvalde County over three days, while the Guadalupe River at Comfort rose more than 9 m (30 feet) in under three hours and crested near 11.3 m (37 feet). Texas deployed more than 2 350 emergency responders and over 1 400 response assets as flood waves moved through several river basins.
Record-breaking wildfire smoke has reduced air quality across much of Minnesota, with pollution levels becoming so high that they exceeded the Minnesota Pollution Control Agency’s routine quality-control limits. The smoke is being generated from wildfires burning across Minnesota and parts of southern Canada. The Superior National Forest is experiencing the worst wildfire conditions in 20 years. Officials warn that hazardous smoke, extreme fire behavior, and additional wildfire growth are expected to continue as crews respond to 15 active fires across the Forest.
