"The degree of intensity of dangerous phenomena:" yellow "- the weather is potentially dangerous," - said in the message.
The fog warning is valid in the capital from 22:00 on December 1 to 09:00 on December 2, in the Moscow region - from 21:00 on December 1 to 10:00 on December 2.
Earlier, the Hydrometeorological Center told about the weather at the beginning of winter.
Temperatures will remain above climate norm this week.
The leading expert of the Phobos weather center, Yevgeny Tishkovets, also said that the Sibiryak anticyclone would arrive in Moscow.