In the Republic 

In the daytime of May 5, on 6-9 from time to time, in the daytime of 10 in separate regions short-term rain and thunderstorm is predicted, here and there hail is possible. In the evening of May 6-8 some mountainous areas, precipitation will be in the form of wet snow and sleet.

South-west wind speed is 2–5 m/s. During the thunderstorm the wind speed may reach up to 16–20 m/s.
In the daytime of May 5, on 6 the air temperature will gradually decrease 3-6 degrees, on May 7-9 gradually increase as much. 

In Yerevan

In the afternoon of May 5, on 6-8, in the daytime of 9 short-term rain and thunderstorm is predicted. During the thunderstorm the wind speed may reach up to 16–19 m/s. At night of May 9, on 10 no precipitation is predicted.

"Hydrometeorology and monitoring center" SNCO of ME of RA