A band of heavy rain will spread eastwards during Tuesday morning, quickly turning to snow on high level routes above 300 metres and to lower levels for a time before it clears.
Accumulations of 5-10 cm of snow are likely above 300 metres, much of this falling in a short period.
At lower levels, amounts will be much more variable with a few cm possible in some places while others will just see sleet and rain.
Labour Party leader Jeremy Corbyn visited the Borders today ahead of the Scottish Borders Council by-election in Selkirk.
The Islington North MP was in the town to campaign alongside Scottish Labour leader Richard Leonard and the party's by-election candidate Scott Redpath.
They visited the Eildon Housing Association this morning.
Also standing in the by-election are Trevor Adams (Conservatives), Jack Clark (Liberal Democrats), Barbra Harvie (Green Party), John Mitchell (Scottish National Party), and Kenneth Gunn and Caroline Penman (independents).
A yellow warning for snow and ice remains in place until 12pm today.
Heavy hail and snow showers are expected during this morning, which will build on many surfaces. Ice is also likely to form on untreated roads and pavements.
Drivers and those using public transport are advised that journey times by road, bus and train are likely to be longer. Some vehicles could become stranded.
ROADS CLOSED due to hazardous driving conditions:
- A592 Kirkstone Pass between Troutbeck and Hartsop.
- Torver - A593 around A5084.
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Border region braces itself for more wintry conditions with a weather warning for snow and ice in force tomorrow.Read the full story ›
Following a spell of rain and hill snow, temperatures will fall quickly allowing widespread ice to form on untreated pavements, cycle paths and roads.
Heavy sleet, hail and snow showers will follow.
There is a chance of injuries from slips and falls on icy surfaces. Bus and train services may be delayed or cancelled, with some road closures and longer journey times possible.
The latest episode of ITV Border's Scottish Political Programme.
Representing Border looks at the issues from Holyrood and Westminster that matter to the South of Scotland.