Travellers across India are being urged to prepare for severe and rapidly changing weather conditions as the India Meteorological Department (IMD) issues a major summer travel alert covering heatwaves, thunderstorms, heavy rainfall, lightning, and strong winds across multiple regions of the country. The warning comes as India enters one of its busiest tourism and holiday travel periods, with millions expected to travel domestically and internationally during the peak summer season.

According to the IMD, large parts of northern, central, and eastern India are currently experiencing intense heatwave conditions, while several northeastern and southern states face heavy rain, thunderstorms, and gusty winds. The combination of extreme temperatures and sudden weather shifts is creating growing concerns for passenger safety, tourism activities, road travel, rail transport, and flight operations.

The weather agency warned that temperatures in several states have already crossed the mid-40s Celsius, increasing the risk of heat exhaustion, dehydration, and heatstroke, particularly for tourists spending long hours outdoors.

At the same time, forecasts predict widespread thunderstorms, lightning strikes, and heavy rain across parts of Northeast India, eastern states, and southern tourist destinations.

Heatwave Conditions Intensify Across Northern India

The IMD said severe heatwave conditions continue affecting major regions including Delhi, Punjab, Haryana, Rajasthan, Uttar Pradesh, Madhya Pradesh, and Chhattisgarh.

Popular tourism and business travel destinations across these states are witnessing prolonged periods of intense daytime heat, making outdoor sightseeing, road journeys, and urban exploration increasingly challenging for travellers.

Cities such as Delhi are also experiencing the urban heat island effect, where concrete infrastructure, traffic congestion, and dense development trap additional heat and make temperatures feel significantly higher.

Health experts warn that prolonged exposure to extreme heat places considerable strain on the body’s cooling systems and can quickly lead to medical emergencies if precautions are not taken.

Common symptoms of heat-related illness include dizziness, nausea, fatigue, confusion, headaches, rapid heartbeat, and dehydration. Vulnerable groups include children, senior citizens, pregnant women, and travellers with chronic medical conditions such as diabetes or cardiovascular disease.

Tourists visiting heritage sites, religious destinations, beaches, or outdoor attractions are being advised to avoid extended exposure during peak afternoon hours.

Thunderstorms and Heavy Rain Threaten Travel Plans

While northern India battles scorching temperatures, several northeastern and southern states are facing unstable weather conditions linked to thunderstorms, lightning activity, and heavy rainfall.

The IMD has forecast widespread rain and strong winds across Arunachal Pradesh, Assam, Meghalaya, Odisha, Jharkhand, West Bengal, Kerala, and Karnataka.

Wind speeds in some areas could reach up to 70 kmph, raising concerns over travel disruptions, flash flooding, slippery roads, and transport delays.

For travellers planning trekking holidays, wildlife tourism, mountain excursions, or road trips through hilly terrain, rapidly changing weather conditions could significantly affect safety and accessibility.

Heavy rainfall can also disrupt rail services, airport operations, ferry schedules, and local transportation networks in vulnerable regions.

Tourism operators and hospitality businesses across affected states are closely monitoring weather developments as pre-monsoon activity intensifies across India.

Airlines, Railways, and Tourism Sector Monitor Weather Risks

The extreme weather conditions are likely to impact transportation systems during one of India’s busiest domestic tourism periods.

Airlines operating from major hubs including Delhi, Kolkata, Bengaluru, Guwahati, Kochi, and Mumbai may experience delays linked to thunderstorms, poor visibility, strong crosswinds, or heat-related operational challenges.

Rail passengers travelling through northern and eastern India could also encounter schedule disruptions caused by extreme temperatures and storm-related delays.

Tourism destinations that rely heavily on outdoor experiences, including hill stations, wildlife parks, beaches, and cultural attractions, may see fluctuating visitor activity depending on weather conditions.

Travel agencies and tour operators are increasingly advising passengers to monitor weather updates closely before finalising itineraries or undertaking long-distance journeys.

Safety Precautions Become Essential for Travellers

Health and travel experts are encouraging tourists to adopt preventive measures to minimise risks associated with both heatwaves and sudden storms.

Travellers are advised to remain hydrated by drinking water and electrolyte-rich fluids regularly while avoiding excessive caffeine or alcohol consumption during hot weather.

Loose, breathable clothing, hats, sunglasses, sunscreen, and portable cooling aids are recommended for outdoor travel.

Authorities also advise avoiding strenuous outdoor activity between 11 am and 4 pm, when temperatures are typically at their highest.

In rain-affected areas, travellers are being urged to carry waterproof clothing, sturdy footwear, insect repellent, and backup power supplies for mobile devices.

Thunderstorm safety guidance includes avoiding open spaces, water bodies, isolated trees, and elevated terrain during lightning activity.

International Visitors Advised to Prepare Carefully

International tourists visiting India during the summer season are being encouraged to prepare for rapidly changing weather conditions across different regions of the country.

Visitors arriving from cooler climates may require additional time to acclimatise to India’s high temperatures and humidity levels. Medical experts also recommend securing comprehensive travel insurance that covers weather disruptions, medical emergencies, and transportation delays.

Travellers with existing health conditions are advised to research healthcare facilities near their destinations before travelling.

The IMD has indicated that India could witness above-normal heatwave days throughout much of 2026, increasing the likelihood of further weather advisories and travel disruptions during the coming months.

India’s Tourism Industry Faces Climate Challenges

The latest IMD advisory highlights how climate variability and extreme weather events are increasingly influencing travel behaviour, tourism planning, and transportation operations across India.

From urban sightseeing and religious tourism to mountain travel and coastal vacations, weather-related risks are becoming a growing consideration for both domestic and international travellers.

As airlines, railways, hotels, and tourism businesses continue adapting to evolving climate conditions, travellers are being urged to remain flexible, monitor official forecasts regularly, and prioritise safety throughout the summer travel season.

For more travel news like this, keep reading Global Travel Wire