P188 188 YLE TEKSTI-TV 18.01. 2115:07 WEATHER FORECAST UNTIL  MIDDAY THURSDAY    Light wind,clearing up.  Temperatures -3 to -1O;  Thursday overcast,snowfall  in western Lapland.   Light wind, clear weather,   night temps -1O to -15.  Snowfall and warmer weather  from the morning.   Winds dying down, and   weather clearing up.  Temperatures -1 to -1O,  at night -5 to -2O degr   Light winds,clear,temps   at night -1 to -5,  inland -5 to -1O,  warmer on Thursday.   Radio Finland Information 189 INDEX 180