The conditions were crystal clear ahead of Saturday's matches in the Bundesliga.
Leipzig needed to take points away against Dortmund to keep the Bundesliga title fight alive for at least a few more hours - but the table runner-up fell by 2-3.
Bayern Munich has thus secured its ninth straight league title.
The distance to up to first place is now seven points with two games left to play for Leipzig.
Bayern will face Mönchengladbach at home during the evening and can extend the lead further.
Emil Forsberg played 90 minutes for Leipzig and provided an assist in the losing match.