According to the National Weather Forecasting Centre of the India Meteorological Department (IMD):
All India Weather Warning Bulletin (MID-DAY)
(Sunday, 30 May 2021 Time of Issue: 1415 hours IST)
30 May (Day 1): Thunderstorm with lightning & gusty winds (speed reaching 40-50 kmph) very likely at isolated places over Haryana, Chandigarh & Delhi; with lightning & gusty winds (speed reaching 30-40 kmph) at isolated places over Uttarakhand, north Punjab, East Rajasthan, Bihar, Jharkhand, West Bengal & Sikkim, Odisha, Andaman & Nicobar Islands, Madhya Maharashtra, Marathwada, Konkan & Goa, Telangana and Kerala & Mahe and with lightning at isolated places over Himachal Pradesh, Madhya Pradesh, Vidarbha, Chhattisgarh, Arunachal Pradesh, Assam & Meghalaya, Nagaland, Manipur, Mizoram and Tripura, Coastal Andhra Pradesh & Yanam, Rayalaseema, Karnataka, Tamil Nadu, Puducherry & Karaikal and Lakshadweep.
- Thunderstorm/Duststorm with lightning & gusty winds (speed reaching 30-40 kmph) very likely at isolated places over West Rajasthan.
- Heat Wave conditions very likely in isolated pockets over West Rajasthan.
- Heavy Rainfall at isolated places very likely over Bihar, Sub-Himalayan West Bengal & Sikkim, Assam & Meghalaya and Kerala & Mahe.
- Squally Weather (wind speed 40-50 kmph) very likely over East-central & Southwest Arabian Sea, Comorin area and Southeast Arabian Sea off Kerala coast. Fishermen are advised not to venture into these areas.