Overnight showers are predicted to turn to snow early on Thursday morning, with persistent snowfall throughout the day, particularly in higher areas.
Meteolux issued a weather alert on Wednesday evening, warning of ice and up to 8cm of snow on Thursday.
Morning temperatures are expected to start at -1 to 1°C, dropping to -3 to -1°C during the day, staying thereabouts into the evening.
The police have announced the following checks for today:
Get your local weather forecast from our weather page.
For more information on traffic in the Grand Duchy, visit our traffic page, which includes motorway webcams.