Archive · 30 Sep 2026
Mumbai Rain Alerts Extend Across Region as Thunderstorms Loom
Mumbai and nearby areas may receive more rain and thunderstorms.
The India Meteorological Department issued Yellow alerts on September 29 and September 30.
It said some places could get light to moderate rain, lightning and gusty winds.
The September 30 warning lasted from 5:30 p.m.
to 8:30 p.m.
Tuesday’s rain caused waterlogging and traffic problems in some places.
Social-media updates separately warned that heavier rain could affect Thane, Navi Mumbai and Panvel.
People were told to follow official warnings and be careful while travelling.
They should avoid trees and vulnerable structures during thunderstorms.
Mumbai’s air quality was moderate, with an AQI of 80.
The India Meteorological Department issued Yellow nowcast alerts for Mumbai and nearby regions on September 29 and 30.
Forecasts called for isolated light to moderate rain, thunderstorms, lightning and gusty winds of 30–40 kmph.
The September 30 alert covered Mumbai, Thane, Kolhapur and surrounding areas from 5:30 p.m. to 8:30 p.m.
Tuesday’s rain caused waterlogging and traffic disruptions, while social-media updates warned of heavier rain around Thane, Navi Mumbai and Panvel.
Mumbai recorded an AQI of 80 in the moderate category, with partly cloudy conditions and possible light rain forecast over the next 48 hours.
- Who
- The India Meteorological Department, Mumbai residents and commuters, with warnings also covering Thane, Kolhapur and surrounding regions.
- What
- Yellow nowcast alerts warned of isolated rain, thunderstorms, lightning and gusty winds across Mumbai and nearby areas.
- When
- The first alert was issued around 7 p.m. on Tuesday, September 29; a second alert was issued at 5:30 p.m. on Wednesday, September 30, and lasted until 8:30 p.m.
- Where
- Mumbai, Mumbai suburbs, Thane, Kolhapur, Panvel, Navi Mumbai and surrounding regions.
- Why
- The alerts were issued because thunderstorms and rain were expected after a dry spell, with further rain possible after Tuesday’s waterlogging and traffic disruptions.
Official IMD Forecast
Social-Media Rain Warnings
Expected rainfall intensity
Official IMD Forecast
The IMD forecast isolated light to moderate rain, thunderstorms and lightning in Mumbai and nearby regions.
Social-Media Rain Warnings
Social-media updates warned of heavier or intense rain, including reported rates of 60–70 mm/hr around Thane and Navi Mumbai and 70–80 mm/hr in an earlier Mumbai warning.
Geographic coverage
Official IMD Forecast
The September 30 IMD warning named Mumbai, Thane, Kolhapur and neighbouring regions.
Social-Media Rain Warnings
Social-media updates highlighted Panvel, Navi Mumbai, Thane and surrounding areas as locations that could experience intense rain.
- Alert dates
- September 29 and September 30, 2026
- September 29 alert
- Valid for three hours from around 7 p.m.; light rain, thunderstorms, lightning and 30–40 kmph gusts were forecast
- September 30 alert
- Issued at 5:30 p.m. and valid until 8:30 p.m.
- Areas covered
- Mumbai, Mumbai suburbs, Thane, Kolhapur and neighbouring regions
- Recent impacts
- Tuesday’s rain caused waterlogging and traffic disruptions in parts of Mumbai
- Air quality
- Mumbai’s AQI was 80, classified as moderate
- Short-term outlook
- Partly cloudy skies, with one or two spells of light rain possible over the next 48 hours
