When U.S. hazard seasons run and peak — planning context to pair with live alerts.
In season now
Loading…
Seasonal timeline
JanFebMarAprMayJunJulAugSepOctNovDec
🌀 Atlantic hurricane season
Atlantic basin · U.S. East & Gulf coasts
🌀 Eastern Pacific hurricane season
E. Pacific · Mexico coast, Hawaii swells
🌪️ Tornado & severe storm season
U.S. — Plains & Southeast
🔥 Western wildfire season
Western U.S.
🌊 Spring flood season
U.S. rivers & snowmelt basins
🌡️ Extreme heat season
U.S. — South & Southwest earliest
❄️ Winter storm season
U.S. — North & mountain West
In season Peak window Today
No season — monitored year-round
🟣 Earthquakes
No season — driven by tectonics, monitored year-round.
🌋 Volcanoes
No season — unrest can begin at any time.
🌊 Tsunamis
No season — follow major undersea quakes; act on official warnings immediately.
⚠Typical windows, not a forecast. These are climatological U.S. season ranges — real timing varies by region and year, and hazards occur outside them. For live conditions see the map and set alerts. In an emergency, follow official guidance.