Weather Forecast: Rain and Thunder in Moscow!
Monday is expected to be the hottest day of the week with the temperatures reaching up to +25C in the daytime. Later on the weather will significantly change.Heavy rain and thunder are expected in the city on June 4 at night with temperatures plummeting to +16C.
On Tuesday the temperatures will remain on the same level – +14/+16C. The weather might be unstable until Friday, while the summer heat will be back in town by the weekend,
Source (Russian) HERE