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Guwahati logs record April downpour as IMD issues heavy rain alert
Guwahati recorded 117.4 mm of rainfall in 24 hours on April 20, 2026, the highest for April in the city since 1951, with the previous peak of 116.5 mm in 2004. The IMD issued a fresh heavy rainfall alert for Assam and warned of continued heavy rain and stormy conditions over the next 2-3 days.
Why It Matters
The record rainfall and ongoing heavy downpours heighten flood risks and could disrupt infrastructure and daily life in Guwahati and parts of Assam, prompting warnings and preparations.
Timeline
6 Events
Hazards forecast: thunderstorms, lightning and gusty winds
April 20, 2026
Forecasters warned of thunderstorms, lightning, and gusty winds reaching 40-50 kmph in some areas.
Past 24 hours rainfall details
April 20, 2026
In its latest report, the IMD said light to moderate rainfall occurred at most places, while heavy to very heavy rain was recorded at isolated locations in the past 24 hours.
Forecast for next 2-3 days: heavy rainfall likely across Assam
April 20, 2026
IMD warned that the ongoing pre-monsoon activity could intensify, with heavy to very heavy rainfall expected in several parts of the state over the next two to three days due to active weather systems, including upper air circulations over northeast Assam and adjoining areas.
IMD issues fresh heavy rainfall alert for Assam
April 20, 2026
The India Meteorological Department issued a fresh alert warning of heavy rainfall across Assam.
Guwahati records 117.4 mm rainfall in 24 hours, an April record
April 20, 2026
The IMD reported Guwahati received 117.4 mm of rainfall in 24 hours, the highest April daily total since 1951. The earlier April record stood at 116.5 mm in 2004.
Previous April rainfall record in Guwahati (116.5 mm) set in 2004
2004
Guwahati's previous highest rainfall for April in a single day was 116.5 mm, recorded in 2004.