Nellore: The air system formed over southwest Bay of Bengal is moving west-northwestward and has weakened as a low pressure over the adjoining West Central region, the Meteorological Department said. It is likely to slowly move west-northwest and weaken further in the next 24 hours. Due to its effect, light to moderate rains will occur in some places in South Coast Andhra and Rayalaseema and one or two places in North Coast Andhra in the next two days. Fishermen were warned not to go fishing in the sea for two days. Light to moderate rains in Nellore district and heavy rains are likely at some places. He said there is a chance of light to moderate rains in some places in the district on Wednesday and Thursday. He said that the minimum temperatures are decreasing all over the state and cold winds are blowing at a speed of 15 km per hour in Visakhapatnam and Tirupati. Especially in the agency areas, the severity of cold is high and people are advised to be alert.