Checking live warnings across the US...

Active alerts, most serious first

Showing tornado and severe thunderstorm warnings and watches from the National Weather Service.

TornadoScanner is not an official warning service. Always follow the National Weather Service and local officials.

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Today so far

Alerts issued since midnight Eastern

Tornado warnings...
Storm warnings...
Tornado watches...

From the National Weather Service. Updates and cancellations are not counted twice.

Storm outlook for today

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See today, tomorrow and day 3 on a map

This time of year

Average US tornadoes in each month, 1996 to 2025

2780 J: 44F: 39M: 98A: 198M: 278J: 197J: 111A: 83S: 65O: 61N: 50D: 43JFMAMJJASOND

Understand the alerts

Watch vs warning

A watch means get ready. A warning means take shelter now.

Watches and severe storms

Every active watch and severe thunderstorm alert, plus the last 48 hours.

The EF scale

How tornadoes are rated from EF0 to EF5, with real counts since 1950.

Emergency kit checklist

18 items that save as you pack, with a water calculator.

Tornado Alley

Where tornadoes hit most, and how that has shifted east.

Tornado safety

What to do in a watch, a warning and a severe storm.

Look up a place's tornado history

Tornado history for every county

73,458 confirmed tornadoes since 1950, mapped county by county. Pick a state:

Alabama2,721Alaska5Arizona303Arkansas2,145California486Colorado2,479Connecticut127Delaware77District of Columbia6Florida3,762Georgia2,014Hawaii41Idaho226Illinois3,148Indiana1,762Iowa3,099Kansas4,609Kentucky1,259Louisiana2,503Maine136Maryland425Massachusetts200Michigan1,152Minnesota2,216Mississippi2,883Missouri2,707Montana444Nebraska3,223Nevada97New Hampshire101New Jersey193New Mexico679New York536North Carolina1,551North Dakota1,739Ohio1,402Oklahoma4,515Oregon136Pennsylvania993Puerto Rico33Rhode Island20South Carolina1,225South Dakota1,956Tennessee1,478Texas9,616Utah142Vermont50Virginia835Washington136West Virginia177Wisconsin1,618Wyoming750
Coming soon

Free tornado alerts

We are building free email alerts for tornado warnings. Join the waiting list and we will email you once when they are ready. Until then, please rely on the National Weather Service and your phone's emergency alerts.