The minister said 35 states would face moderate flood risk, while Ekiti State remained the only state not affected.
The government also cautioned them against visiting the majority of northern states as well as Abia, Anambra, Bayelsa, Delta and Enugu.
Correspondents covering the convention noticed a heavy presence of party stalwarts, members, and supporters in their colourful party outfits.
The Federal Road Safety Corps has secured the conviction of 31 traffic offenders during its sallah special patrol mobile court on Sunday.
The visit formed part of his long-distance ride from Enugu through Anambra, with Lagos as the final destination.
Mr Onoja added that anti-drug operations resulted in the arrest of several suspects and recovery of illicit substances.
The arrest followed viral videos showing different scenes of ladies being chased, dragged, and molested by scores of men on the streets of Ozoro.
He described CNG as a cleaner, safer, and more cost-effective alternative to conventional fuels.
The Nigerian Meteorological Agency has predicted dust haze across the country from Wednesday to Friday.
NiMet urged motorists to drive with caution.
