A desperate hunt for six teenagers missing on a Tyva mountain was hampered in poor weather conditions including the threat of new avalanches.
Temperatures of up to 35C force exodus to river and lake beaches.
Schoolchildren of all ages are asked to stay home as gusts of wind reach 29 metres per second.
On 1 May, the 'Ob Sea', close to Novosibirsk, was completely clear of ice.
At least three are dangerously close to population centres in Irkutsk region.
Famous for its lonely loo with a view at 2,600 metres - 8,530ft - this meteorological outpost provides essential data for the world.
Yakutia in a white blanket as temperatures dip to minus 6C as winter 'comes too soon'.
Tyva republic registers Saudi-like heat but is also hit by wildfires.
The weirdest winter for decades takes a cold turn but milder weather is on the way again.
Extreme weather phenomena along with wildfires and flooding are the future 'due to global climate change’.