Heavy rain and flooding disruption in Delhi-NCR, India

Timeline

1. August 27, 2026

   IMD's official Delhi bulletin (issued 8:45pm IST) listed 'NIL' warning impact for 27-28 August, forecasting only very light-to-light rain with isolated thunderstorms and lightning. From 29 August through 2 September, IMD forecasts no rain at all, with partly cloudy skies and maximum temperatures climbing to 34-37C, confirming the earlier forecast that rain would cease by Thursday. No new flight-disruption reports at Indira Gandhi International Airport were found for 26-27 August, consistent with conditions returning to normal.

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2. August 26, 2026

   IMD forecast cloudy skies with only light, intermittent showers for Delhi through 27 August, with highs near 33C and lows near 26C; no new alert color was issued for the capital. Nearby Gurugram continued to show residual waterlogging from the 24 August downpour, but no fresh flooding was reported within Delhi itself.

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3. August 25, 2026

   Heavy Tuesday-morning rain caused fresh waterlogging across central Delhi, including near AIIMS, RML Hospital, Connaught Place, ITO and Parliament Street. IMD's red alert for Delhi remains in effect, with yellow alerts for Gurugram and Faridabad. Indira Gandhi International Airport reported 18 flights affected Tuesday morning, following 26 cancellations, 15 diversions and 300+ delays on Monday 24 August. Cumulative rainfall (through 24 Aug) reached 246.2mm at Safdarjung, about 29% above normal for the period.

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4. August 24, 2026

   The IMD issued a red alert for eastern and southern Delhi (orange for western/central areas) on 24 August as heavy rain and thunderstorms, with rates exceeding 15mm/hour and wind gusts of 30-40 km/h, hit the capital and NCR. Significant waterlogging and traffic disruption were reported in Noida, Ghaziabad, and Gurugram, including a reported one-hour delay near Sangam Vihar and a major jam at MB Road; reduced visibility prompted daytime headlight use. The IMD forecasts only very light rain Tuesday-Wednesday, with rain expected to cease by Thursday (27 August). Travelers in Delhi-NCR should build extra time into road journeys through midweek and avoid known waterlogging-prone routes.

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5. August 22, 2026

   Delhi-NCR received light-to-moderate early morning rain on Saturday (22 August), with the IMD predicting showers will likely continue across the region for the next 24 hours and into early next week (through Monday). Skies remained cloudy with light-to-moderate showers expected throughout the day; maximum temperatures forecast at 32-34°C, minimums 24-26°C. By 21 August, Delhi's Safdarjung observatory had already recorded 235.3mm of rainfall, surpassing the city's normal rainfall mark for the whole of August within just the first 21 days of the month - underscoring how active this monsoon spell has been.

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6. August 20, 2026

   Heavy rain lashed parts of Delhi on Thursday morning (temperature around 31°C at 07:00), with light rain continuing into the afternoon (around 33°C) and the likelihood of rain and thunderstorms increasing further in the evening. Noida, Ghaziabad and Gurugram are also seeing intermittent spells of rain as the wider system affects Uttar Pradesh, Madhya Pradesh, Chhattisgarh, Haryana and Rajasthan. Conditions remain active following the renewed intensification around 18 August; allow extra journey time and monitor local transport updates.

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7. August 18, 2026

   Conditions intensified again: a depression in the Bay of Bengal drove renewed heavy rainfall across Delhi, Uttar Pradesh, Madhya Pradesh and neighbouring states, with the IMD alerting to heavy rain in Delhi, Haryana and Punjab. Skies remained cloudy throughout the day with rain showers and thunderstorms in several areas; by afternoon New Delhi recorded 35°C (feels like 38°C) with 41% humidity and full cloud cover, with a forecast high of 37°C and low of 28°C. This reverses the brief easing trend noted on 12-13 August; allow extra journey time and monitor local transport updates.

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8. August 13, 2026

   Delhi was generally cloudy and humid on 13 August, with light rain or drizzle mainly in the afternoon and evening; daytime temperatures reached 33-35°C. Conditions remained consistent with the continued easing trend since the 7-8 August downpours, with no region-wide flood or transport disruption indicated.

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9. August 12, 2026

   IMD forecasts only very light rainfall for Delhi-NCR on 12 and 13 August, a step down from the heavy downpours of 7-8 August that made this the region's wettest first eight days of August since 2011. Isolated light-to-moderate showers remain possible; allow extra journey time and monitor local transport updates, though no region-wide flood or transport disruption is currently indicated.

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10. August 11, 2026

    IMD has issued a yellow alert for Delhi-NCR (including Noida, Ghaziabad, Faridabad and Gurugram) for 11 August, with light-to-moderate rain and thunderstorms expected in the morning and forecast to continue intermittently through 16 August. Isolated heavy rainfall is also flagged for Haryana, Chandigarh and Delhi on 11 and 13 August, raising waterlogging risk. Allow extra journey time and monitor local transport updates.

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11. August 10, 2026

    IMD products give mixed signals, with a heavy-rain forecast alongside a subdivision product showing no warning. Localized heavy rain and road waterlogging remain possible, but no region-wide flood or transport disruption was verified. Allow extra journey time and monitor local transport updates.

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12. August 7, 2026

    Delhi and parts of Haryana are under an official heavy-rain warning for 7 August. Heavy rain, thunderstorms and waterlogged roads are causing local traffic disruption; travelers should allow extra journey time, avoid flooded underpasses and monitor airport and rail updates.

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