Residents of Krasnoyark take to boats to go to work, while an unusual July snowstorm hits Yakutia.
Plane schedules disrupted, residents warned to stay indoors, sailors had to use GPS to get back to land because of thick smoke fumes from raging forest fires.
Oilmen forced to stop work after being trapped in 'horseshoe' of burning taiga, as pall of smoke smothers Irkutsk region where state of emergency imposed.
Pilot error, technical malfunction and bad weather are all possible causes checked by investigators.
State of emergency declared in city of Nizhnevartovsk, which suffers worst flooding in its history.
Fires have wreaked havoc this summer with Yakutia and the Yamalo-Nenets autonomous the latest to be hard hit.
A desperate hunt for six teenagers missing on a Tyva mountain was hampered in poor weather conditions including the threat of new avalanches.
With smoke having blown as far as the US and Canada, experts now say 'the trend is positive' in controlling fires raging from the Urals to the Pacific.
'All forest wildfires extinguished' in Siberian Federal District, say officials, but peat flames still raging.
New details emerge about 1928 odyssey that changed a dictator.