In its extended forecast up to September 3, the IMD said there will be below normal rainfall activity in many parts of east and northeast India.
"Above normal rainfall activity is likely over many parts of central India till August 29 and near normal thereafter. There will be increase in rainfall activity likely over northwest India from August 25 on wards.
"Below normal rainfall is likely over many parts of east and northeast India during August 20-29 and above normal rainfall likely thereafter. There will be increase in rainfall activity likely over Peninsular India from last week of August on wards," the IMD said.