BOSTON, MASSACHUSETTS — A developing winter weather system is expected to move across Massachusetts, New Hampshire, and Maine early Tuesday morning, bringing a period of accumulating snow inland before changing to rain near the coastline, according to the latest forecast model guidance. Forecasters say snow will overspread much of the region before daybreak Tuesday, with…
CALIFORNIA — Residents across the San Francisco Bay Area are heading into Christmas week with a high likelihood of rain and almost no chance of snow, according to forecast graphics released by the National Weather Service’s Bay Area office. Multiple cities across Northern and Central California are showing precipitation probabilities above 90%, signaling a wet…
SACRAMENTO, CALIF. — The National Weather Service and California River Forecast Center are warning that California is entering a highly active and potentially dangerous weather pattern, with four significant storms expected to impact the state over the next week, bringing widespread heavy rain, flooding concerns, and feet of snow in the Sierra Nevada. Forecast data…
DENVER, CO — The National Weather Service and Storm Prediction Center are warning of an extremely dangerous fire weather event unfolding along Colorado’s Front Range on Friday, as destructive winds, critically low humidity, and record-breaking warmth combine to create conditions favorable for rapid wildfire spread, power outages, and property damage. Meteorologists say this threat is…
DENVER, CO — The National Weather Service and NOAA Storm Prediction Center have issued critical to extremely critical fire weather alerts for large portions of Colorado and southeastern Wyoming, warning that a very dangerous fire weather event is unfolding along the Front Range of the Rocky Mountains as destructive winds and extremely dry air combine…
WASHINGTON — The Western United States is experiencing one of the hottest Decembers ever observed, with Washington, Oregon, and California emerging as the most heavily impacted states, according to temperature percentile and anomaly data covering the past two weeks. Large areas shaded in dark red across the Pacific Northwest, West Coast, and Interior West indicate…
SEATTLE, WASHINGTON — Large portions of the Western United States are experiencing one of the warmest Decembers on record, as persistent high-pressure ridging has driven temperatures well above seasonal averages across the region over the past two weeks, according to long-range temperature analysis and percentile data. Meteorological data shows widespread areas from Washington, Oregon, California,…
PUʻUWAI, HAWAII — The National Weather Service in Honolulu has issued a Tornado Warning for the Puʻuwai area on Hawaiʻi Island, remaining in effect until 7:00 a.m. HST Friday, after radar indicated a storm capable of producing a tornado and small hail. Forecasters say the warning covers a sparsely populated section of the island, but…
ST. LOUIS, MISSOURI — A powerful upper-level ridge is expected to dominate much of the central and southern United States on Christmas Day, driving temperatures far above seasonal norms and introducing unusual levels of humidity for late December, according to multiple long-range forecast models. Meteorological data from the European (ECMWF) and U.S. Global Forecast System…
DENVER, COLORADO — Denver International Airport faced widespread operational disruption as extreme winds and dangerous wind shear swept across northeastern Colorado, making it the most delay-affected airport globally during the peak of the event. Aviation officials and pilots cited severe turbulence and rapidly shifting winds as the primary hazards impacting flight safety. More than 730…