Thu Nov 28 09:19:07 AM EST 2024 Jefferson- Including the city of Watertown 918 AM EST Thu Nov 28 2024 ...LAKE EFFECT SNOW WARNING REMAINS IN EFFECT FROM 7 AM FRIDAY TO 7 PM EST MONDAY... .TODAY...Patchy fog late this morning. Rain and snow. Snow accumulation ranging from little or nothing across the lower elevations to an inch or less on the Tug Hill. Highs in the upper 30s. Light winds, becoming north 5 to 10 mph. Chance of precipitation near 100 percent. .TONIGHT...A chance of snow showers in the evening, then lake effect snow with some rumbles of thunder possible overnight. Additional accumulation in the most persistent snows ranging from up to 2 inches across the lower elevations to 2 to 3 inches on the Tug Hill. Lows ranging from the upper 20s across the Tug Hill to the lower 30s along the Lake Ontario shore. Northwest winds 5 to 10 mph, becoming west. Chance of snow 90 percent. .FRIDAY...Lake effect snow with some rumbles of thunder possible in the morning, then lake effect snow and lake effect rain with some rumbles of thunder possible in the afternoon. Snow may be heavy at times. Additional snow accumulation 7 to 13 inches in the most persistent snows. Windy with highs ranging from the mid 30s inland to around 40 along the Lake Ontario shore. West winds 10 to 15 mph, becoming southwest and increasing to 20 to 30 mph. Chance of precipitation near 100 percent. .FRIDAY NIGHT...Lake effect snow. Snow may be heavy at times. Windy with lows ranging from the upper 20s across the Tug Hill to the lower 30s along the Lake Ontario shore. West winds 20 to 30 mph, diminishing to 10 to 15 mph. Chance of snow near 100 percent. .SATURDAY...Lake effect snow. Snow may be heavy at times. Highs ranging from the mid 30s inland to the upper 30s along the Lake Ontario shore. West winds 10 to 15 mph with gusts up to 30 mph. Chance of snow near 100 percent. .SATURDAY NIGHT...Lake effect snow. Snow may be heavy at times. Lows in the mid 20s. Chance of snow near 100 percent. .SUNDAY...Lake effect snow. Snow may be heavy at times. Highs in the mid 30s. Chance of snow near 100 percent. .SUNDAY NIGHT...Lake effect snow. Snow may be heavy at times. Lows 15 to 20. Chance of snow near 100 percent. .MONDAY...Partly sunny with a 40 percent chance of snow showers. Highs in the lower 30s. .MONDAY NIGHT...Mostly cloudy with a 40 percent chance of snow showers. Lows 15 to 20. .TUESDAY...Snow showers likely. Highs around 30. Chance of snow 70 percent. .TUESDAY NIGHT...Snow showers likely. Lows 10 to 15. Chance of snow 70 percent. .WEDNESDAY...Mostly cloudy with a 50 percent chance of snow showers. Highs in the lower 30s.