Tropical Storm Jangmi: Heavy Rain and Strong Winds Alert Until June 2

daily-life

Updated 2026-05-29 5 min

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In short

May 28 - June 2, 2026

Alert Period

Tropical Storm Jangmi

Phenomenon

All of Cambodia

Affected Areas

Cambodianess

Source

5-day alert. Tropical Storm Jangmi affects Cambodia from May 28 to June 2, 2026.
Heavy rain and strong winds. Abundant precipitation, gusts, and thunderstorms are expected across the country.
Caution advised. Authorities recommend land and sea travelers remain vigilant.
Direct impact on Siem Reap. Expats and tourists in the province should adjust their travel plans.
Weather monitoring ongoing. The situation is being monitored by the Ministry of Water Resources and Meteorology.

Tropical Storm Jangmi formed in the western Pacific and moved toward Cambodia. Here are the key stages:

May 26, 2026: Tropical Storm Jangmi forms off the coast of the Philippines.
May 27, 2026: The storm strengthens and heads toward the Gulf of Thailand.
May 28, 2026: Jangmi enters Cambodia's area of responsibility; first rains hit southwestern provinces.
May 29, 2026: Official alert issued by the Ministry of Water Resources and Meteorology; authorities recommend caution.
May 30 - June 2, 2026: Peak impact period: heavy rain, strong winds, and risk of localized flooding.
From June 3, 2026: Gradual improvement expected, return to calmer weather.

The effects of Tropical Storm Jangmi vary by region and sector. Here is an overview of expected impacts:

Segment	Level	Details
Coastal provinces (Kampot, Sihanoukville)	High risk	Strong winds, heavy rain, dangerous waves for navigation.
Northwestern provinces (Siem Reap, Battambang)	Moderate risk	Heavy rain, localized thunderstorms, potentially slippery roads.
Phnom Penh and central areas	Moderate risk	Persistent rain, risk of urban flooding in low-lying areas.
Maritime navigation	Partial ban	Small boats advised not to go to sea; ferries may be suspended.
Tourism (temples, excursions)	Disrupted activities	Outdoor visits discouraged during peak rain; plan alternatives.

Travel by scooter or bike more dangerous: slippery roads and reduced visibility.
Visits to Angkor temples possible but less enjoyable in the rain; bring waterproof clothing.
Outdoor activities (floating markets, countryside tours) should be postponed.
Risk of localized power outages during severe thunderstorms.
Expats living near Tonlé Sap or in low-lying areas should monitor water levels.

Step 1: Follow weather alerts from the Ministry of Water Resources and Meteorology or reliable apps.
Step 2: Avoid driving in heavy rain; if necessary, reduce speed and turn on your lights.
Step 3: Do not take shelter under trees or unstable structures during thunderstorms.
Step 4: Prepare an emergency kit: flashlight, water, non-perishable food, phone charger.
Step 5: If you live in a flood-prone area, elevate valuables and plan for quick evacuation.
Step 6: For air travel, check flight status with your airline; delays are possible.
Step 7: In case of emergency, contact local services (police, ambulance) or your embassy.

What is Tropical Storm Jangmi?

It is a tropical depression system bringing heavy rain, strong winds, and thunderstorms. It affects Cambodia from May 28 to June 2, 2026.

Is Siem Reap directly threatened?

Siem Reap is in a moderate risk zone. Expect heavy rain and thunderstorms, but not destructive winds like on the coast.

Should I cancel my visits to the Angkor temples?

Not necessarily, but bring rain gear and be prepared to cut the visit short if a severe thunderstorm occurs.

Are flights at Siem Reap airport affected?

Delays are possible. Contact your airline to check your flight status.

What should I do in case of flooding?

Monitor local alerts, elevate your belongings, and evacuate if authorities request. Do not walk or drive through flooded areas.

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Siem Reap Hub

The community guide for expats and travelers in Siem Reap, Cambodia