Severe flash floods hit McAllen (population 146 000) as a line of thunderstorms swept across South Texas on Thursday, March 27, 2025, bringing 152 to 254 mm (6 to 10 inches) to parts of the region. Floodwaters entered a medical center in McAllen and submerged key routes across southern Texas, leading to hazardous travel conditions and extensive damage.
U.S. weather models, including NCEP and GEFS, project an over 80% chance of a strong atmospheric river making landfall in northern and central California from April 1 to 2, 2025, with additional outlooks from the NWS Climate Prediction Center (CPC) indicating wetter-than-normal conditions and a moderate risk of heavy rain and mountain snow between March 31 and April 4.
Severe thunderstorms swept through Seattle and much of the Pacific Northwest on March 26, 2025, after the National Weather Service (NWS) issued the first Severe Thunderstorm Watch for Seattle since 1999. The storms brought hail, rain, and frequent lightning that damaged multiple structures.
Intense hailstorms battered much of northern Texas from Tuesday night into Wednesday morning, March 25–26, 2025, causing damage to multiple vehicles and homes.
The Storm Prediction Center (SPC) has issued a rare level 2 out of 5, or Slight Risk, for severe thunderstorms across parts of the Pacific Northwest from March 26 to 27, potentially impacting over 7.2 million people in major cities such as Seattle, Portland, and Vancouver. The threats include hail in excess of 2.5 cm (1 inch), wind gusts over 93 km/h (58 mph), and possible isolated tornadoes.
An unsettled weather pattern is forecast to continue into next week, with multiple atmospheric rivers expected to bring heavy precipitation to the U.S. West Coast following a March 23 event that caused flooding and a landslide in British Columbia.
Severe thunderstorms swept through the southern United States and the Gulf Coast early on March 24, 2025, after passing over Texas and causing widespread damage across the affected regions.
A Freeze Warning has been issued for the entirety of Northern Alabama through Friday morning, March 21, 2025, after a strong cold front moved through the Tennessee Valley on March 19, causing temperatures to drop in the region.
A powerful winter storm swept through the Plains and Midwest on March 19, 2025, producing eight reported tornadoes in Illinois and severely disrupting travel. Whiteout conditions led to multiple crashes in Kansas, Iowa, and Nebraska, forcing closures on major highways, including I-70 and I-80.
Three atmospheric rivers (ARs) are forecast to impact the Pacific Northwest (PNW) from Wednesday, March 19, 2025, into early next week, bringing significant precipitation and potential excessive rainfall to Oregon and Washington.
