In the Republic

In the daytime of May 20, on 21-25 from time to time in separate regions short-term rain with thunderstorm is predicted. Hail here and there is also possible. 

North-west wind speed is 2–5 m/s, during the thunderstorm the wind speed may reach up to 18-22 m/s.

In the daytime of May 20, the air temperature will increase by 3-4 degrees, in the daytime of 21 it will decrease as much.

In Yerevan

In the evening of May 20, on 21-25 from time to time short-term rain with thunderstorm is predicted, during the thunderstorm the wind speed may reach up to 17-20 m/s. 

"Hydrometeorology and monitoring center" SNCO of ME of RA