For Tamil Nadu, Andhra Pradesh and Puducherry, the MeT department issued a "very heavy rainfall" warning for the next two days.
Palodhi in Rajasthan recorded the highest in the country today and the highest in the state this season at 50.5 degrees, followed by Churu at 49.1, Jaisalmer at 48.8 and Barmer at 48.6 degrees.
Delhi had a hot day, recording the maximum temperature at 43.7 degrees. The Palam observatory, however, recorded mercury at 46.4 degrees. The minimum temperature in the city was 26.4 degrees.
Continuous heavy rains in Assam for the last three days triggered landslides that claimed 10 lives in Karimganj and Hailakandi districts in Barak Valley. NDRF and police are undertaking rescue and relief operations.
In Arunachal Pradesh, flood waters of the overflowing Noa-Dehing river, fed by torrential rain in the past few days, have inundated several areas in Namsai district.
Parts of Tamil Nadu received rains for the third day today even as the MeT office said the deep depression in the Bay of Bengal is expected to intensify into a cyclonic storm in the next two days, bringing heavy rains in north coastal areas of the state and Puducherry.
The system was likely to move north-northeastwards and intensify into a cyclonic storm in the next 48 hours. Under its influence, heavy to very heavy rainfall was expected over north Coastal Tamil Nadu and Puducherry in the next 24 hours, it said in a release.
In Chennai and its neighbourhood, four NDRF teams have been deployed in low lying areas and boats kept ready to rescue people in the event of flooding.
Chief Minister N Chandrababu Naidu has directed all district Collectors to take precautionary measures in view of cyclone threat to southern and northern parts of the state.
Rains and thundershowers are also likely to hit Odisha in the next 24 hours due to a deep depression that centered over west-central and adjoining southwest Bay of Bengal, an IMD alert said.
In Uttarakhand, forest fires were reignited by soaring temperatures and dry weather. 180 hectares of forest land spread over 111 places in the district are in flames, Uttarkashi District Magistrate Shridhar Babu Addanki said.
Mercury hovered above 40 degrees mark in Punjab and Haryana with Hisar being the hottest in the two states at 46.8 degrees. Banda in neighbouring Uttar Pradesh sizzled at 47 degrees.
(REOPENS DEL44)
Heavy rains in Haryana and Punjab led to a drop in the maximum temperature across the two states.
The weatherman has forecast rains over the next two-three days, saying the monsoon continues to be active over the region.
