743 FPUS61 KBUF 151931 SFPNY SFPNY NYZ001>025-160900- FORECAST FOR WESTERN AND NORTHERN NEW YORK NATIONAL WEATHER SERVICE BUFFALO NY 330 PM EDT MON MAY 15 2000 .TONIGHT...MAINLY CLEAR AND COLD. LOWS 35 TO 40 WITH SCATTERED FROST WELL AWAY FROM THE LAKES. .TUESDAY...MORNING SUNSHINE THEN PARTLY SUNNY IN THE AFTERNOON. HIGHS IN THE LOW TO MIDDLE 60S. .TUESDAY NIGHT...BECOMING MOSTLY CLOUDY WITH A CHANCE OF SHOWERS WEST OF THE GENESEE VALLEY. LOWS IN THE 40S. .WEDNESDAY...VARIABLY CLOUDY AND MILDER WITH A CHANCE OF SHOWERS OR AN AFTERNOON THUNDERSTORM. HIGHS IN THE MIDDLE 60S TO AROUND 70. .EXTENDED FORECAST... .WEDNESDAY NIGHT...CLOUDY WITH A CHANCE OF A SHOWER OR THUNDERSTORM. LOWS AROUND 50. .THURSDAY...MOSTLY CLOUDY WITH SHOWERS OR THUNDERSTORMS LIKELY. HIGHS NEAR 70. .FRIDAY...PARTIAL CLEARING BUT STILL A CHANCE OF A SHOWER. LOWS 45 TO 50 AND HIGHS NEAR 65. .SATURDAY...SUNNY PERIODS AND COOL. LOWS 40 TO 45 AND HIGHS AROUND 60. $$ WCH/SAGE