The Malaysian Meteorological Department has issued a thunderstorm warning for parts of Malaysia on Tuesday (27 January), with thunderstorms, heavy rainfall, and strong winds expected during the early-morning period. The warning is valid until 0600 hours (local time).

Affected areas include parts of Sarawak, Sabah, and WP Labuan, with thunderstorm activity forecast across selected divisions and districts. No escalation, downgrade, or cancellation has been announced at the time of reporting.