The India Meteorological Department (IMD) has issued red, orange, and yellow heatwave alerts for several parts of India as temperatures soar [1].

These warnings signal a critical public health risk across the subcontinent, where extreme heat can lead to severe dehydration and heatstroke. The alerts are designed to trigger emergency responses and public safety measures in the most affected regions.

According to the IMD, heatwave and severe-heatwave conditions are likely to persist across large portions of central and north-west India for the next four to five days [1]. The agency said that similar conditions will likely continue across East and adjoining peninsular India for the next three to four days [1].

Specific regions are facing more acute threats. A red alert was issued for Telangana, where the state is currently sizzling under severe heatwave conditions [2]. Additionally, the IMD has issued alerts for Jharkhand amid rising health concerns [4].

The extreme weather is driven by persistently high temperatures. In some areas, the mercury has already reached 48 °C [3]. This level of heat creates dangerous environments for outdoor workers and vulnerable populations, including the elderly and children.

The color-coded system allows local authorities to scale their response. Red alerts indicate extreme heatwave conditions, while orange and yellow warnings signal a need for preparation and caution as temperatures rise [1].

The mercury has already reached 48 °C

The widespread use of red and orange alerts indicates that the current heatwave is not a localized event but a systemic weather pattern affecting multiple Indian climatic zones. The duration of the forecast—up to five days in some regions—suggests a prolonged period of stress on the power grid and water supplies, which typically peak during these extreme temperature spikes.