Great Valley NY Weather

Includes the Counties: Chautauqua, Cattaraugus
Includes the Cities: Jamestown, Olean

Tonight...Snow showers early...Then scattered snow showers late. Accumulation 1 to 3 inches. Lows in the mid 20s. Southwest winds 10 to 15 mph...Becoming west. Chance of snow 80 percent.
Tuesday...Partly sunny. Highs in the mid 30s. Northwest winds 10 mph or less...Becoming southeast.
Tuesday Night...Snow likely in the evening...Then occasional snow... Freezing rain and sleet overnight. Snow and sleet accumulation 1 to 2 inches. Windy with near steady temperatures in the lower 30s. Southeast winds 10 to 15 mph...Increasing to 15 to 30 mph with gusts up to 40 mph. Chance of precipitation 90 percent.
Wednesday...Occasional rain with a chance of sleet. Very windy with highs in the upper 30s. Southeast winds 25 to 35 mph...Becoming south. Gusts up to 45 mph. Chance of precipitation near 100 percent.
Wednesday Night...Very windy with occasional snow. Lows in the upper 20s. Southwest winds 35 to 40 with gusts up to 60 mph. Chance of snow 80 percent.
Thursday...Occasional snow. Windy with highs in the upper 20s. Chance of snow 80 percent.
Thursday Night...Snow showers likely. Windy with lows around 15. Chance of snow 70 percent.
Friday...Snow showers likely. Highs in the lower 20s. Chance of snow 70 percent.
Friday Night...Snow showers likely. Lows 10 to 15. Chance of snow 60 percent.
Saturday...Snow showers likely. Highs in the upper 20s. Chance of snow 60 percent.
Saturday Night...Mostly cloudy with a 40 percent chance of snow showers. Lows 15 to 20.
Sunday...Partly sunny with a 30 percent chance of snow showers. Highs around 30.
Sunday Night...Mostly cloudy. Lows in the lower 20s.
Monday...Partly sunny. Highs in the upper 20s.