Forecast and Early Warning for Typhoon "Nongfa" and Heavy Rain

Affected by Typhoon "Nongfa", the Mekong River Basin will experience moderate to heavy rain in the next 1-2 days, with localized heavy rain or torrential rain. A reminder for Thailand, Laos, Vietnam and relevant regions in the Mekong River Basin to take precautions. Over the next two days, there will be light rain in the middle and lower reaches of the Lancang River, with moderate rain in some areas. The discharge in the lower reaches of the Lancang River is expected to remain stable through the operation of cascade reservoirs.

For real-time information on typhoon track, typhoon forecast, and rainfall forecast for the Mekong River Basin, please refer to Figures 1-3 below.

Figure 1: Probabilistic Forecast Map of the 14^th Typhoon "Nongfa" Track in the Next 24 Hours 

(08:00 August 30 to 08:00 August 31, 2025 (Beijing Time), World Meteorological Centre (Beijing))

Figure 2: 24-Hour Rainfall Forecast Map for the Mekong River Basin

(08:00 August 30 to 08:00 August 31, 2025 (Beijing Time), Data Source: World Meteorological Centre (Beijing))

Figure 3: 48-Hour Rainfall Forecast Map for the Mekong River Basin

(08:00 August 31 to 08:00 September 1, 2025 (Beijing Time), Data Source: World Meteorological Centre (Beijing))