Northeast India Weather Report: IMD Forecasts Heavy Rainfall and Thunderstorms on March 14, 2026

GUWAHATI— The India Meteorological Department (IMD) has issued a detailed forecast indicating heavy rainfall at isolated places over Arunachal Pradesh, Assam, and Meghalaya on March 14, amid a broader pattern of widespread precipitation and thunderstorms across Northeast India.

This weather system is driven by moisture influx from the Bay of Bengal and an upper air cyclonic circulation, potentially leading to localized disruptions including flooding, landslides, and gusty winds.

Residents in affected areas are advised to stay alert, with orange alerts in place for heavy rain in parts of the region.

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Key Forecast Highlights

According to the IMD’s All India Weather Summary and Forecast Bulletin released on March 13, the following conditions are expected for March 14 (Day 2 from the bulletin):

Rainfall Intensity:

• Heavy rainfall (64.5–115.5 mm) is very likely at isolated locations in Arunachal Pradesh, Assam, and Meghalaya.
• This follows a pattern of isolated heavy to very heavy rainfall/snowfall (115.6–204.4 mm) over Arunachal Pradesh on March 13, with the intensity slightly tapering but persisting into March 14–15.
• Scattered to fairly widespread light to moderate rainfall is anticipated across the broader Northeast, including Nagaland, Manipur, Mizoram, and Tripura, with heavier spells confined to the mentioned states.

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Thunderstorms and Winds:

• Thunderstorms accompanied by lightning and gusty winds (speeds reaching 30–40 kmph, gusting up to 50 kmph) are likely at isolated places over Arunachal Pradesh, Assam, and Meghalaya.
• This could extend to neighboring areas like Sub-Himalayan West Bengal and Sikkim.
• In Assam specifically, widespread rainfall and thunderstorms are forecast over the next five days, with isolated heavy showers possible, potentially triggering flooding, power disruptions, and travel delays.

Snowfall in Higher Elevations:

• In Arunachal Pradesh’s higher reaches, isolated heavy rainfall/snowfall is expected to continue from March 12–15, with the heaviest on March 13 transitioning to heavy rain on March 14.

This may affect mountainous regions, leading to slippery roads and reduced visibility.

Warnings and Advisories

Orange Alert: Issued for isolated heavy rainfall in Arunachal Pradesh, Assam, and Meghalaya on March 14, urging residents to “be prepared” for adverse weather. This does not indicate a “Red Alert” but emphasizes taking action to mitigate risks.