Feb 17 is a Friday, Weather Watcher’s DETAILED FORECAST displays Friday’s weather as Thursday by mistake.  DAILY FORECAST displays correctly!   See below.
 See below.
On weather.com:
Local Text Forecast for
Mudanjiang, China
Feb 17  Today
Plenty of sunshine. Cold. High 11F. Winds WSW at 10 to 15 mph.
Feb 17  Tonight
Clear to partly cloudy. Low 4F. Winds SW at 5 to 10 mph.
Feb 18  Tomorrow
A mainly sunny sky. High 33F. Winds SW at 10 to 15 mph.
Feb 18  Tomorrow night
Mostly clear skies. Low 16F. Winds SW at 5 to 10 mph.
On Weather Watcher:
Mudanjiang, China
Detailed Forecast:
Thursday: Plenty of sunshine.  Cold.  High 11?F (-12?C).  Winds WSW at 10 to 15 mph.
Thursday Night: Clear to partly cloudy.  Low 4?F (-16?C).  Winds SW at 5 to 10 mph.
Friday: A mainly sunny sky.  High 33?F (1?C).  Winds SW at 10 to 15 mph.
Friday Night: Mostly clear skies.  Low 16?F (-9?C).  Winds SW at 5 to 10 mph.
Observed Friday, February 17 @ 5:03 AM Local Time @ T74509014
Downloaded Thursday, February 16 @ 7:05 PM