Cold waves Tracker
Extreme low temperatures causing deaths, crop loss and infrastructure failure. We record every cold wave our sources report worldwide, plot it on the map and give it its own detailed page.
490
In 2026
486
Last 30 days
103
Last 7 days
490
Total archived
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About cold waves
Cold waves cause deaths through hypothermia, carbon monoxide poisoning from improvised heating, and cardiac events during exertion such as snow clearance. Infrastructure failures often compound the risk.
Safety guidance
- Never use charcoal, generators or gas stoves for indoor heating; carbon monoxide kills silently.
- Dress in layers and keep extremities covered; wind chill accelerates frostbite.
- Check on isolated and elderly people, and keep pipes protected against freezing.
- Avoid heavy exertion such as snow clearance if you have heart conditions.
Get alerts for cold waves
Choose the countries you care about and get new cold waves by email digest or phone push — only when one is recorded.
Twelve-month trend
Latest recorded cold waves
Winter Storm Warning — East Glacier Park Region; Northern High Plains; Southern Rocky Mountain Front; Southern High Plains; Upper Blackfoot and
Severe
Freeze Warning — Southern Trinity
Severe
Freeze Watch — Kittitas Valley
Severe
Winter Storm Warning — Judith Gap
Severe
Freeze Warning — Eastern Curry County and Josephine County; Jackson County
Severe
Winter Storm Warning — Butte/Blackfoot Region
Severe
Winter Storm Warning — East Glacier Park Region; Northern High Plains
Severe
Freeze Watch — Eastern Curry County and Josephine County; Jackson County
Severe
Freeze Warning — Western Siskiyou County; Central Siskiyou County; South Central Siskiyou County
Severe
Winter Storm Warning — Big Belt, Bridger and Castle Mountains
Severe
Winter Storm Warning — Southern Rocky Mountain Front; Southern High Plains; Upper Blackfoot and MacDonald Pass; Gates of the Mountains
Severe
Winter Storm Warning — Eastern Pondera and Eastern Teton; Cascade County below 5000ft; Judith Basin County and Judith Gap; Meagher County Valle
Severe
Winter Storm Warning — Little Belt and Highwood Mountains; Snowy and Judith Mountains; Elkhorn and Boulder Mountains
Severe
Freeze Warning — Central Interior Cumberland; Androscoggin
Severe
Freeze Warning — Central Oregon
Severe
Freeze Warning — Wallowa County
Severe
Freeze Watch — Western Siskiyou County; Central Siskiyou County; South Central Siskiyou County
Severe
Winter Storm Warning — Absaroka/Beartooth Mountains; Crazy Mountains
Severe
Winter Storm Warning — Melville Foothills
Severe
臭氧与寒潮联合暴露对艾滋病患者死亡率的协同影响研究
Minor
Winter Storm Warning — South Slopes of the Western Brooks Range; Noatak Valley
Severe
Freeze Warning — Wallowa County
Severe
Freeze Warning — Central Oregon
Severe
Winter Storm Warning — Butte/Blackfoot Region
Severe
Most affected countries
| # | Country | Records |
|---|---|---|
| 1 | Slovakia | 322 |
| 2 | United States | 76 |
| 3 | Bulgaria | 52 |
| 4 | Ukraine | 17 |
| 5 | Norway | 5 |
| 6 | France | 1 |
| 7 | Sweden | 1 |
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