Will the lowest temperature in Hong Kong be 23°C on May 18?

Why

Probability fell sharply down to 5¢ (toward NO) over the last 24 hours, a 12.5pp shift. Resolution depends on weather.gov.hk — directional traders may be reading new information from that source.

What to verify

• Cross-check the resolution source: weather.gov.hk — https://www.weather.gov.hk/en/cis/climat.htm.
• Read recent whale flow on Orrery's market page — $5k+ trades show up alongside the move so you can tell if size is following the price or fading it.