Tornado and severe weather warnings by state and county

Every county in the US has a page that shows what the Weather Service has in effect there right now, what the last 12 months looked like, and a link that opens the live map on it.

239 Weather Service alerts are in effect over land right now. Pick a state, then a county.

• Alabama 3 active
• Alaska 5 active
• Arizona 18 active
• Arkansas 6 active
• California 26 active
• Colorado 4 active
• Connecticut 3 active
• Delaware 1 active
• District of Columbia 1 active
• Florida 8 active
• Georgia 4 active
• Guam 5 active
• Hawaii
• Idaho
• Illinois 7 active
• Indiana 8 active
• Iowa 8 active
• Kansas 11 active
• Kentucky 3 active
• Louisiana 12 active
• Maine
• Maryland 5 active
• Massachusetts
• Michigan 6 active
• Minnesota 9 active
• Mississippi 6 active
• Missouri 4 active
• Montana 2 active
• Nebraska 5 active
• Nevada
• New Hampshire
• New Jersey 5 active
• New Mexico 14 active
• New York 5 active
• North Carolina 16 active
• North Dakota
• Ohio 5 active
• Oklahoma 17 active
• Oregon 3 active
• Pennsylvania 12 active
• Puerto Rico
• Rhode Island
• South Carolina 2 active
• South Dakota 4 active
• Tennessee
• Texas 38 active
• U.S. Virgin Islands
• Utah
• Vermont
• Virginia 10 active
• Washington
• West Virginia 5 active
• Wisconsin 6 active
• Wyoming 1 active

Alerts come from the National Weather Service and refresh every minute. Past warnings come from the Iowa Environmental Mesonet's archive of Weather Service products. During a warning, also listen to local radio, TV or a weather radio.