Weather Trends & Analysis
In-depth analysis of record-breaking weather events, seasonal outlooks, and climate trends. Every article is backed by historical data from 139+ million NOAA observations covering 14,000+ US weather stations since 1970.
Latest Analysis
Tornado Season 2026: Forecasts, Historical Data & What to Expect
304 tornadoes so far in 2026, including an EF5 in Indiana. See the AccuWeather forecast (1,050–1,250 for the year), month-by-month regional breakdown, and how 2026 compares to 1974 and 2011.
March 2026 Heat Wave Shattered Records in 14 States
112°F in mid-March. 7,000+ daily records broken. State-by-state breakdown with city departure tables, cascading impacts on wildfire risk and snowpack, and the climate attribution science.
The Coldest Temperatures Ever Recorded in Every US State
All 50 states ranked by their all-time record lows, from Alaska’s -80°F at Prospect Creek to Hawaii’s +12°F on Mauna Kea. Plus the record high vs low ratio shift from 1:1 to 6:1.
Summer 2026 Weather Outlook: What History and Forecasts Tell Us
Three signals pointing toward a hot summer: El Niño probability (62%), drought coverage (56% US), and 55-year warming trends showing 97% of cities getting warmer.
Winter 2025-26 Was the 2nd Warmest on Record
The winter of 2025-26 was the second warmest in 131 years of US records. Nine states broke all-time records. See city-level data from 55+ years of NOAA observations.
About Our Analysis
Every trend article on this site is built on NOAA's Global Historical Climatology Network Daily (GHCN-D) dataset, the official US government weather record. We pair that raw station data with forecasts from the NOAA Climate Prediction Center, Storm Prediction Center, and peer-reviewed attribution science to give you context you won't find in a summary.
Looking for data on a specific location? Start with our state records hub or US cities directory. For historical weather on a specific date, use the lookup tool on our homepage.