Affected by Typhoon “Kalmaegi”, the Mekong River Basin will experience heavy to torrential rain in the next 1-2 days, with locally torrential rain. A reminder for Cambodia, Thailand, Laos, Viet Nam 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. The water level of the lower reaches of the Lancang River is expected to remain stable.

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 25th Typhoon “Kalmaegi” Track in the Next 36 Hours

(Data Source: World Meteorological Centre (Beijing)) 

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

(08:00 November 6 to 08:00 November 7, 2025 (Beijing Time), Data Source: World Meteorological Centre (Beijing))

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

(08:00 November 7 to 08:00 November 8, 2025 (Beijing Time), Data Source: World Meteorological Centre (Beijing))