The National Center for Hydro-Meteorological Forecasting has updated the weather forecast for May 26 in the Northwest regions.
- Lowest temperature: 26-29 degrees C, in some places below 25 degrees C.
- Highest temperature: 36-39 degrees C, in some places above 40 degrees C; especially Lai Chau, Dien Bien 31-34 degrees C, in some places above 35 degrees C.
Cloudy, hot sunny days and intense heat, especially intense in some places; especially Lai Chau, Dien Bien sunny days, hot sunny in some places; showers and thunderstorms in some places in the late afternoon and night. Light wind. In thunderstorms, there is a possibility of tornadoes, lightning, hail and strong gusts of wind.

Faced with the widespread hot weather in the Northwest region, tourists planning to explore the mountains at this time should proactively follow the weather forecast and prepare carefully about health and schedule.
With temperatures in many places up to 36-39 degrees Celsius, in some places above 40 degrees Celsius, tourists should limit moving or outdoor trekking from 11:00 AM to 4:00 PM to avoid heat shock and dehydration. Should bring drinking water, electrolytes, wide-brimmed hats, sun protection jackets and sunscreen when visiting.
In localities such as Lai Chau, Dien Bien, the weather is milder but there is still local heat during the day. Tourists should prioritize exploration activities in the early morning or late afternoon to ensure health and more convenient experiences.
In addition, in the late afternoon and night in the Northwest, there is a possibility of showers and thunderstorms, accompanied by the risk of tornadoes, lightning, hail, and strong gusts of wind. Tourists need to limit staying in areas along streams and hillsides that are prone to landslides; at the same time, prepare raincoats, slipperproof shoes and carefully check weather conditions before moving through passes and mountains.
For those who come to the Northwest for the first time, they should choose a reasonable itinerary, rest fully and bring basic medicines to cope with prolonged hot weather.