Overview
- Amber warnings cover parts of the Highlands and north-east Scotland from noon Friday to noon Saturday, with 10–20 cm of snow likely at low levels, 30–40 cm on high ground and temporary blizzard conditions possible.
- A yellow warning for snow and ice runs from midnight to noon Friday across large areas of England and Wales, with 1–2 cm for some and up to 5 cm on higher ground in north Wales and north-west England, bringing travel disruption and rapid icing.
- UKHSA has amber cold-health alerts across all regions of England until January 6, citing likely strain on health and social care and increased risks for older people and those with underlying conditions.
- Regional UK alerts include a full-day yellow warning for the North East on Saturday with 1–3 cm widely and 5–8 cm in spots, and a separate yellow alert for North Wales on Friday covering Gwynedd, Conwy, Denbighshire, Flintshire and Wrexham.
- In North America, Environment Canada issued a yellow snow squall warning for the London, Ontario area with near-zero visibility at times, and upstate New York remains under a local yellow lake-effect alert with amounts ranging from a few inches to about a foot in some locations.