The India Meteorological Department (IMD) has issued a weather alert regarding a deep depression in the Northwest Bay of Bengal, which is expected to cross the West Bengal-Bangladesh coast on May 29, 2025. Widespread rainfall, thunderstorms, gusty winds, and extremely heavy downpours are anticipated across various regions of the country as multiple weather systems interact. Here are the details:
Deep Depression Over Bay of Bengal to Impact Eastern India
The IMD confirmed that the well-marked low-pressure system intensified into a deep depression early on May 29 and is centered near 21.3°N and 88.5°E. It lies 60 km southeast of Sagar Island and 180 km west of Khepupara, Bangladesh. This system is likely to bring intense rainfall to Eastern and Northeastern India.
Rainfall Forecast: East & Northeast India
|
Date |
Region |
Rainfall Intensity |
|
May 30-31 |
Sub-Himalayan West Bengal & Sikkim |
Very heavy to extremely heavy rainfall |
|
May 30 |
Meghalaya |
Exceptionally heavy rainfall (>30 cm) |
|
May 30-31 |
Assam, Nagaland, Manipur, Mizoram |
Heavy to very heavy rainfall, isolated extreme events |
|
May 30-31 |
Arunachal Pradesh |
Heavy to very heavy rainfall |
Southwest Monsoon Advances Further
The Southwest Monsoon continues to progress steadily, now covering parts of Chhattisgarh, Odisha, North Bay of Bengal, remaining parts of Northeast India, and reaching into Sub-Himalayan West Bengal and Sikkim. Conditions are ripe for further advancement into more areas of Bihar and West Bengal in the next 1-2 days.
|
Region Covered |
Remarks |
|
Chhattisgarh, Odisha, North Bay of Bengal |
Monsoon advanced |
|
Entire Northeast India, Sikkim |
Covered by monsoon |
|
Sub-Himalayan West Bengal |
Covered |
|
Upcoming Areas |
Further advance likely in Bihar and West Bengal soon |
Heavy Rainfall over Southern Peninsula
The southern states, including Kerala, Karnataka, Tamil Nadu, and Goa, are experiencing intense rainfall due to strong monsoon conditions and associated weather systems. Extremely heavy rain is likely to ease after May 30, but significant precipitation is expected to continue.
Rainfall Forecast: South India
|
Date |
Region |
Forecast Description |
|
May 30 |
Kerala, Coastal & South Interior Karnataka |
Extremely heavy rainfall, thunderstorms |
|
May 30 |
Tamil Nadu, Puducherry & Karaikal |
Very heavy rainfall, gusty winds |
|
May 31-June 1 |
Kerala & Coastal Karnataka |
Isolated heavy to very heavy rain |
Thunderstorms Over Central and East-Central India
Multiple weather systems, including troughs and cyclonic circulations over Rajasthan, Uttar Pradesh, and Odisha, are enhancing rainfall activity over central India.
Weather Forecast: Central & Eastern India
|
Date |
Region |
Forecast Details |
|
May 30 |
Chhattisgarh, Odisha |
Heavy rain, thunderstorms, squalls up to 70 km/h |
|
May 30 |
Bihar, Jharkhand |
Isolated heavy rainfall |
|
May 30-31 |
Madhya Pradesh |
Widespread light/moderate rain with gusty winds |
|
May 30 |
Vidarbha |
Isolated heavy rain with thunderstorm |
Western India on Alert for Rain and Heat
Konkan, Goa, Madhya Maharashtra, and Gujarat are likely to witness moderate to heavy showers in isolated pockets. However, parts of Rajasthan may still face heatwave conditions, with dust storms expected in the western parts.
|
Date |
Region |
Weather Warning |
|
May 30-31 |
Konkan & Goa |
Heavy to very heavy rain in isolated pockets |
|
May 30-31 |
West Rajasthan |
Dust storms, heat wave in isolated pockets |
|
June 1-2 |
Madhya Maharashtra |
Isolated heavy rainfall |
Rain and Thunderstorm Activity Over Northwest India
Western Disturbances are likely to bring rain, thunderstorms, and strong winds to the northwest parts of the country. Isolated heavy rainfall is predicted in the hills, with gusty winds affecting the plains.
|
Date |
Region |
Weather Event |
|
May 30 |
Delhi, Haryana, Punjab |
Thunderstorms, gusty winds (50-60 km/h) |
|
May 30-31 |
J&K, Himachal Pradesh, Uttarakhand |
Isolated heavy rain, cloudy skies |
|
May 30 |
Rajasthan |
Thunder squalls and dust storms |
|
May 30-June 2 |
Northwest India in general |
Widespread rain/thunderstorm activity |
Delhi NCR Weather Update (May 30 - June 1, 2025)
Delhi is expected to see fluctuating weather over the next few days due to the Western Disturbances and associated systems. Residents should be prepared for evening thunderstorms, gusty winds, and slight relief from the heat.
|
Date |
Sky Condition |
Rainfall & Wind |
Temperature Range (°C) |
|
May 30 |
Generally cloudy |
Moderate rain, thunderstorm, winds up to 70 km/h |
Max: 36–38, Min: 27–29 |
|
May 31 |
Partly cloudy |
Light rain, gusty winds up to 50 km/h |
Max: 35–37, Min: 27–29 |
|
June 1 |
Partly cloudy |
Possibility of thunderstorm development |
Max: 36–38, Min: 28–30 |
Heatwave and Temperature Trends
Despite the ongoing rainfall in many areas, heatwave conditions may persist in isolated pockets, especially over Rajasthan. Meanwhile, central India may see a rise in temperatures in the coming days.
|
Region |
Temperature Trend |
|
Northwest India |
Fall by 2–4°C from May 30 onwards |
|
Central India |
Rise by 2–3°C in next 3 days |
|
West Rajasthan |
Heat wave conditions on May 30-31 |
|
Rest of India |
No significant change in temperatures |
IMD has forecast heavy to extremely heavy rainfall in several parts of the country, particularly across the Northeastern states and southern peninsular India. Delhi and the northwestern plains are likely to witness thunderstorms, gusty winds, and some relief from the prevailing heat. The IMD advises residents to stay tuned to local weather updates and exercise caution, especially in regions under warnings for heavy rainfall or heatwave conditions.
