The coldest solar term, ‘Daegan (Great Cold),’ on the 20th is expected to bring the longest and strongest cold wave of this winter. With temperatures continuing below -10°C, strong winds are forecast ...

There’s no denying it. It’s really December. -40 -20 0 20 32 Source: NOAA Note: Forecast temperatures are as of 7 a.m. Eastern each day. Forecast data in some areas may be unavailable. Data shown only ...