IMD Weather Alert: Heatwave to Hit Several States; Rain and Thunderstorms Expected Across Regions
India is set to witness a mix of extreme weather conditions over the next few days, with scorching heat gripping several regions while others brace for rainfall and thunderstorms. The India Meteorological Department (IMD), in its latest All India Weather Summary released on April 21, 2026, has highlighted a sharp contrast in weather patterns across the country.
Heatwave Conditions to Persist Across Key States
The IMD has cautioned that intense heatwave conditions will continue to affect large parts of northern, central, and eastern India.
The heat is expected to spread further in the coming days:
Residents in these regions are advised to take precautions as temperatures remain significantly above normal.
Northeast to Witness Heavy Rain and Thunderstorms
While heat dominates one side of the country, the Northeast is gearing up for active rainfall and stormy conditions.
Heavy to very heavy rainfall is expected in parts of Arunachal Pradesh on multiple days, including April 21, 22, 25, and 26, while Assam and Meghalaya may receive heavy showers on April 21.
Thunderstorms and Gusty Winds Across Eastern and Himalayan Regions
Several eastern and sub-Himalayan areas will experience unstable weather conditions:
Bihar could face intense thundersqualls, with wind speeds reaching 50–60 kmph and gusting up to 70 kmph on April 21, 24, and 25.
In the northwestern Himalayan region, Jammu & Kashmir, Ladakh, and Himachal Pradesh are likely to see rain, snowfall, thunderstorms, and gusty winds between April 24 and 26.
Heatwave Conditions to Persist Across Key States
The IMD has cautioned that intense heatwave conditions will continue to affect large parts of northern, central, and eastern India.
- On April 21, isolated areas in Bihar, Haryana-Chandigarh-Delhi, Punjab, East Rajasthan, Vidarbha, Chhattisgarh, and Jharkhand are likely to face extreme heat.
- The warning remains active in Punjab, East Rajasthan, Vidarbha, and Chhattisgarh until April 24.
- West Uttar Pradesh could see prolonged heatwave conditions lasting till April 25.
The heat is expected to spread further in the coming days:
- West Rajasthan: April 22–23
- Madhya Pradesh and Odisha: April 22–24
- Gangetic West Bengal: April 22
- East Uttar Pradesh (isolated areas): April 23
Residents in these regions are advised to take precautions as temperatures remain significantly above normal.
Northeast to Witness Heavy Rain and Thunderstorms
While heat dominates one side of the country, the Northeast is gearing up for active rainfall and stormy conditions.
- Arunachal Pradesh will experience widespread rain with thunderstorms and strong winds on April 21.
- Assam and Meghalaya are likely to receive similar weather from April 21 to 24.
- Nagaland, Manipur, Mizoram, and Tripura will also see rain and lightning, especially on April 21, with continued lightning activity on April 22 and 23.
Heavy to very heavy rainfall is expected in parts of Arunachal Pradesh on multiple days, including April 21, 22, 25, and 26, while Assam and Meghalaya may receive heavy showers on April 21.
Thunderstorms and Gusty Winds Across Eastern and Himalayan Regions
Several eastern and sub-Himalayan areas will experience unstable weather conditions:
- Sub-Himalayan West Bengal and Sikkim: Showers and thunderstorms from April 21–26
- Odisha: April 21–24
- Jharkhand: April 24
- Gangetic West Bengal: April 26
Bihar could face intense thundersqualls, with wind speeds reaching 50–60 kmph and gusting up to 70 kmph on April 21, 24, and 25.
In the northwestern Himalayan region, Jammu & Kashmir, Ladakh, and Himachal Pradesh are likely to see rain, snowfall, thunderstorms, and gusty winds between April 24 and 26.
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