Frozen Waterfalls Right Now

Every night we score each US waterfall on how much sustained cold it has had: two weeks of daily temperatures at the falls, whether its LiDAR-measured face points north into the shade, and how much water the nearest gauge says is moving. The result is a freeze likelihood, refreshed daily through the winter.

Updated about 11 hours ago · 0 waterfalls likely frozen today.

Frozen waterfalls in Alaska

0 likely frozen · 0 partly · 47 tracked

Frozen waterfalls in Colorado

0 likely frozen · 0 partly · 81 tracked

Frozen waterfalls in Idaho

0 likely frozen · 0 partly · 64 tracked

Frozen waterfalls in Indiana

0 likely frozen · 0 partly · 21 tracked

Frozen waterfalls in Kentucky

0 likely frozen · 0 partly · 17 tracked

Frozen waterfalls in Maine

0 likely frozen · 0 partly · 121 tracked

Frozen waterfalls in Massachusetts

0 likely frozen · 0 partly · 26 tracked

Frozen waterfalls in Michigan

0 likely frozen · 0 partly · 198 tracked

Frozen waterfalls in Minnesota

0 likely frozen · 0 partly · 44 tracked

Frozen waterfalls in Montana

0 likely frozen · 0 partly · 119 tracked

Frozen waterfalls in New Hampshire

0 likely frozen · 0 partly · 49 tracked

Frozen waterfalls in New York

0 likely frozen · 0 partly · 215 tracked

Frozen waterfalls in Ohio

0 likely frozen · 0 partly · 18 tracked

Frozen waterfalls in Oregon

0 likely frozen · 0 partly · 241 tracked

Frozen waterfalls in Pennsylvania

0 likely frozen · 0 partly · 91 tracked

Frozen waterfalls in Utah

0 likely frozen · 0 partly · 22 tracked

Frozen waterfalls in Vermont

0 likely frozen · 0 partly · 29 tracked

Frozen waterfalls in Virginia

0 likely frozen · 0 partly · 41 tracked

Frozen waterfalls in Washington

0 likely frozen · 0 partly · 181 tracked

Frozen waterfalls in West Virginia

0 likely frozen · 0 partly · 16 tracked

Frozen waterfalls in Wisconsin

0 likely frozen · 0 partly · 48 tracked

Frozen waterfalls in Wyoming

0 likely frozen · 0 partly · 88 tracked

How to read the estimate

Likely frozen means a week or more of highs below freezing on a fall that is shaded or small enough to lock up. Partly frozen means ice is forming at the edges and behind the curtain while water still runs through the middle, which is often the most photogenic stage. Not frozen means highs have been above freezing recently.

It is a likelihood, not a report. Big rivers like the Niagara rarely freeze solid however cold it gets, and a sunny south-facing fall can run clear next to a frozen north-facing neighbour. Each waterfall page shows the numbers behind its status.

Winter safety. Frozen falls are the one waterfall trip with a documented injury pattern: falling ice, and ice-glazed rock and trail. Wear microspikes, keep well back from the base and from overhangs, and never walk out on ice over moving water.

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