Bihar Extremely Heavy Rain Alert; Odisha, Bengal Flood Risk: IMD
Image: File photo / Wikimedia Commons
The India Meteorological Department (IMD) has forecast extremely heavy rain at isolated places in Bihar on Friday, 30 October, along with very heavy rain over Sub-Himalayan West Bengal and Sikkim and heavy rain in Jharkhand, according to its bulletin issued on 29 October. The bulletin also rates the risk of flash floods as moderate to high in watersheds of Odisha and Gangetic West Bengal until 11:30 IST on 30 October.
Widespread Rain Across Bihar and Jharkhand
IMD describes rain on Friday as “widespread” over Bihar, Jharkhand and Sub-Himalayan West Bengal and Sikkim, meaning 76 to 100 per cent of each area could get showers. Gangetic West Bengal and Odisha are rated “fairly widespread”. Gusty thunderstorms of 40–50 kmph are forecast over Bihar and Odisha, and of 30–40 kmph over West Bengal and Sikkim. Isolated heavy to very heavy rain is also forecast over East Uttar Pradesh.
What Is Left of Arnab
The rain follows Cyclone Arnab. At 11:30 IST on 29 October, its remnant depression lay near 20.2°N, 81.7°E over central Chhattisgarh and adjoining Odisha, moving north at 23 kmph. IMD expected it to weaken into a well marked low pressure area over north Chhattisgarh and northwest Odisha by that evening. Earlier reports are in our Cyclone Arnab live page and the Jharkhand orange alert report.
Also read Coastal Andhra Rain Alert for 1-3 November as New Depression Forms
Odisha and Northeast Get Rain Next
Odisha is due heavy rain on 1 November and heavy to very heavy rain on 2 November, with gusty thunderstorms of 40–50 kmph on both days. Heavy rain is forecast for Arunachal Pradesh on 2 November, and for Arunachal, Assam and Meghalaya on 3 November. IMD has issued fishermen warnings from 1 November. Bihar can expect gusty thunderstorms again on 31 October. We track each new bulletin on our Weather Updates page.
Source: IMD all-India weather bulletin, 29 October 2026. Also based on reporting by India.com.
Image: Flooded Bihar, file image / Wikimedia Commons.
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