Vietnam Weather Forecast: June 21 Sees Extreme Heat and Storm Risks
On June 21, Vietnam experienced extreme heat across multiple regions, with Hanoi recording temperatures between 36 and 38°C and areas from Thanh Hoa to Hue exceeding 39°C, according to the Vietnam National Centre for Hydro-Meteorological Forecasting. The centre also warned of thunderstorms, tornadoes, and strong winds in the afternoon and evening.
Northwestern Region: Scorching Heat and Sporadic Storms
The northwestern provinces of Lai Chau and Dien Bien faced scattered thunderstorms, with daytime temperatures reaching 32–35°C and nighttime lows of 25–28°C. The centre noted risks of tornadoes, lightning, and gusty winds during storms.
Northeastern Region: Intense Heat and Afternoon Showers
In the northeastern areas, temperatures soared to 34–37°C, with some locations exceeding 38°C. Cloudy skies with intermittent showers were expected in the late afternoon, accompanied by southwesterly winds of 2–3 Beaufort. The centre highlighted potential tornadoes and hail during thunderstorms.

Central Coast: Record-Breaking Temperatures and Storm Threats
The Thanh Hoa to Hue corridor remained under intense heat, with maximum temperatures surpassing 39°C. Afternoon thunderstorms posed risks of tornadoes, lightning, and strong winds. Coastal areas saw temperatures between 33–36°C, with some regions reaching 38°C.
Central Highlands: Sunny Days and Nighttime Thunderstorms
The central highlands experienced sunny conditions during the day, with temperatures peaking at 30–33°C, though some areas exceeded 34°C. Thunderstorms with tornado and lightning risks were forecast for the evening and overnight.
Southern Region: Heat and Isolated Rainfall
The southern provinces saw temperatures of 32–35°C, with some areas hitting 36°C. While mostly sunny, isolated thunderstorms were expected in the late afternoon, bringing risks of lightning and gusty winds.
Hanoi and Ho Chi Minh City: Heat and Storm Activity
Hanoi endured daytime temperatures of 36–38°C, with scattered thunderstorms in the afternoon and evening. Ho Chi Minh City faced 33–35°C heat, with isolated rain showers and storm risks later in the day.
The Vietnam National Centre for Hydro-Meteorological Forecasting urged residents to monitor updates and take precautions against extreme heat and severe weather. Authorities recommended avoiding outdoor activities during peak sun hours and securing property ahead of potential storms.