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Kerala is expected to experience widespread rainfall activity on May 16, 2026, as weather systems over the Bay of Bengal and surrounding regions continue to influence conditions across the state. The India Meteorological Department (IMD) has indicated heavy rainfall in several districts, while thunderstorms, lightning and strong winds may accompany the rain spell in isolated places.
Weather patterns suggest that rainfall activity may gradually intensify over the coming days as conditions continue to become favourable for the advance of the southwest monsoon. Residents across Kerala may experience cloudy skies, scattered showers and changing weather conditions throughout the day.
Yellow Alert Issued In Seven Districts
According to the weather outlook available for the day, yellow alerts have been issued in seven districts where heavy rainfall conditions are likely.
The districts under yellow alert include:
- Thiruvananthapuram
- Kollam
- Alappuzha
- Pathanamthitta
- Kottayam
- Idukki
- Ernakulam
A yellow alert generally indicates the possibility of heavy rainfall ranging between 7 cm and 12 cm within a 24-hour period and advises residents to remain cautious regarding weather developments.
Rainfall Activity To Continue Across Kerala
Kerala is likely to witness rain and thundershower activity across multiple regions through the day. Weather indications show rain possibilities beginning during afternoon hours, with isolated locations expected to receive stronger showers later in the day.
Current conditions indicate:
- Temperature: Around 30°C during daytime
- Feels-like temperature: Approximately 37°C
- Humidity: Around 77%
- Wind speed: Nearly 13 kmph
- Air quality: Categorised as good
The combination of high humidity and cloud cover could create uncomfortable conditions despite relatively moderate temperatures.
Areas Likely To Witness Strong Weather Activity
Rainfall is not expected to remain limited to a few locations and may affect several parts of Kerala.
Regions expected to experience weather changes include:
Southern Kerala
- Thiruvananthapuram
- Kollam
- Pathanamthitta
- Alappuzha
Central Kerala
- Kottayam
- Ernakulam
- Idukki
Northern Kerala
- Kozhikode
- Kannur
- Wayanad
- Kasaragod
- Malappuram
Hilly and low-lying areas could remain more vulnerable because of rainfall accumulation and changing ground conditions.
Thunderstorms And Wind Activity Expected
Along with rain, isolated thunderstorms accompanied by lightning and gusty winds are also likely across parts of the state. Wind speeds may increase during thunderstorm activity, leading to temporary disruptions.
Authorities have also cautioned about:
- Waterlogging in low-lying areas
- Reduced visibility during heavy rainfall
- Slow-moving traffic conditions
- Localised flooding concerns
- Possibility of uprooted trees or minor infrastructure disruptions
Coastal conditions may also become rough in certain areas, and fishermen are expected to remain cautious regarding changing sea conditions.
Advisory For Residents
Residents across Kerala are advised to remain alert as weather conditions may change rapidly during the day.
People are advised to:
- Avoid unnecessary travel during intense rain spells
- Stay away from open spaces during lightning activity
- Exercise caution in hilly and landslide-prone regions
- Follow local weather updates and district advisories
- Keep emergency essentials ready in flood-prone areas
With monsoon conditions gradually becoming favourable, Kerala may continue witnessing active weather patterns over the coming days, bringing recurring spells of rain across different districts of the state.