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India Weather Alert: Monsoon Retreats in North, But Heavy Thunderstorms Threaten South and Northeast

India wakes to a split sky this morning, 29 September. The India Meteorological Department signals dry air returning across Delhi-NCR, Haryana and Punjab as monsoon withdrawal advances. Meanwhile, thunderstorms target Karnataka, Tamil Nadu, Kerala and the Northeast. Expect lightning, brief squalls, and local flooding where slow-moving cells park over cities. Travellers should build buffer time on southern corridors today.

For Bengaluru commuters, early IMD updates show no city warning at issuance time. However, pop-up showers remain possible if nowcasts trigger through the day. IMD nowcasts refresh roughly every three hours, so check before peak movement. Avoid repeat waterlogging pinch points near Hebbal flyover approaches, Manyata Tech Park spurs, KR Circle and Nayandahalli underpasses during downpours. These spots clog fast and snarl traffic.

India Weather Forecast 29 September 2026: North Turns Dry, South Braces for Heavy Thunderstorms

India weather today: North turns dry; South and Northeast under IMD warnings

Kerala faces thunderstorms with gusty winds around 30–40 kmph from today through 1 October, with localised heavy rain likely midweek. Alerts highlighted districts such as Kottayam and Ernakulam. Tamil Nadu and south interior Karnataka also carry thunderstorm and lightning risk today, which could disrupt short flights and afternoon commutes. Plan airport transfers conservatively in these belts.

IMD warnings, Northeast alerts and Delhi-NCR outlook

Across the Northeast, IMD flags heavy rain with thunderstorms and lightning over Mizoram, Manipur, Nagaland and Tripura today. Waterlogging, treefall and brief power disruptions are plausible in urban pockets. By contrast, Delhi-NCR turns mostly dry as the withdrawal line reaches north of the region. Outdoor plans improve there, though mornings may feel crisp and dusty.

Track live advisories on IMD’s district-wise warning map and geospatial nowcast dashboards, which display colour-coded alerts and lightning overlays. Nowcasts are short-range and time-stamped, so recheck during morning and evening commutes. When lightning is nearby, stay off open grounds, avoid flooded underpasses, and park clear of trees. Rely on official nowcasts to time departures rather than social media snippets.

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