Temperatures plummeted to -10C (13F) in some parts of Scotland as the country experienced one of the coldest nights of winter yet.
The chilliest temperatures were -11 (12.2F) at Tulloch Bridge in the Highlands and Braemar in Aberdeenshire not far behind with -10.1C (13.8F).
It was slightly milder in Aviemore in the Highlands where the lowest temperature recorded was -7C (19.4F).
Airports in the country also recorded low temperatures with Glasgow reaching a low of -8C (17.6F) and Edinburgh a low of -6C (21.2F).
STV weatherman Sean Batty said Tuesday was likely to be a cold, crisp winter's day with some sunny spells.
He added that temperatures were expected to be cold again overnight.
He said: "We are looking to have similar temperatures on Tuesday night across Scotland and especially in some of the Highland glens. Looking forward into the week it's likely to be milder but also windy and wet.
Your report: If you have information on this or any other story, please let us know. You can send information, pictures to firstname.lastname@example.org or call us on 01382 591016.
Feedback: We want your feedback on our site. If you've got questions, spotted an inaccuracy or just want to share some ideas about our news service, please email us on email@example.com.
More About Weather
- Scotland swelters in summer sun as temperatures soar past 27C
- Pollution warning as 2014 set to be Scotland's second warmest year
- Scotland records UK's hottest day of 2014 as temperatures top 26C
- Scotland sizzles like Ibiza in warmest day of the year at 26C
- Aviemore swelters at 23C as it enjoys Scotland's hottest day of year
- Heavy snow and high winds bring 'hazardous' driving conditions
- Cross-border rail services delayed as winter weather batters Britain