There might even be some frost in the morning, while breezes of up to 20 km/h will keep your on your toes throughout the day.
Overnight temperatures of -1 to 1°C will rise to highs of 7°C in the morning and 10°C in the day, before falling back to 6°C in the evening.
The police have not yet announced any checks for Tuesday.
Safe travels...if you must!
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.
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