Surface wind is likely to gust mainly from northwest direction, as heat waves are likely to continue in Karachi and southern Sindh over the period. "Low pressure area persists over east central and adjoining NE Arabian Sea," the Met Office said.
A westerly wave is affecting upper parts of the country and likely to persist till today (Sunday). Seasonal low lies over Northwest Balochistan. Weak monsoon currents are also penetrating in upper parts of the country.
In the next 24 hours: Hot and humid weather is expected in the most parts of the country. However, rain-wind-thunderstorm may strike Gujranwala and Lahore Divisions, besides Kashmir and its adjoining hilly areas.
"A moderate heat wave condition is likely to continue in Karachi and southern parts of Sindh. Maximum temperature is likely to range 39 - 41ÂșC today (Sunday)," it said.
In the last 24 hours: Weather remained hot and humid in the most parts of the country. However, an isolated rain-wind-thunderstorm occurred in Bannu Division which received 6 mm of rainfall. Lasbella was hottest place 45 degrees Celsius, Chhor and Sibbi 43 each and Karachi 40.