import urllib.request as urllibR

import bs4

url = "https://www.dmi.dk/lokation/show/DK/2624652/Aarhus/"

dmi = urllibR.urlopen(url)
dmiBS = bs4.BeautifulSoup(dmi.read(), "lxml")

images = []
for link in dmiBS.find_all("img"):
    images.append(link.get("src"))
billed = "jeg fandt ikke noget :("
for img in images:
    print(img)
    if "Russel_gletsjeren_i_2010_TN.jpg" in img:
        billed = img

if billed != "jeg fandt ikke noget :(":
    urllibR.urlretrieve("https://www.dmi.dk/"+billed, "Vejr.png")

print(billed)