A cold upper level trough will move slowly eastward across the region today. A disturbance will track through the base of the trough, reaching Ohio tonight. We will see varying amounts of cloud cover today, and there is a small chance of a shower or two.
The threat of showers will increase tonight as the disturbance rotates our way. The showers will continue through Saturday along with below average temperatures.
The showers are forecast to end Saturday night as drier air spreads across the region. Temperatures will fall into the 30s and some locations will see frost.
High pressure will build overhead on Sunday with partly sunny skies expected.
Here is the forecast: For today, it will be variably cloudy with a chance of a shower. Highs will be near 60. Winds NW 5-10 mph.
Tonight, mostly cloudy with showers likely. Lows will be around 40. Winds N 5-10 mph.
Saturday, mostly cloudy with showers likely. Highs will be in the mid 50s. Winds SW 5-10 mph.
Saturday night, showers ending early with skies becoming partly cloudy overnight. There could be some patchy frost in the colder, rural areas. Lows will be in the mid to upper 30s.
Sunday, partly sunny with highs in the low 60s.
Extended Analysis: A large upper trough across the northeastern United States Sunday night will begin to lift out to the northeast on Monday. Surface high pressure will slide eastward across the region Monday through Tuesday.
Tuesday night and Wednesday, a developing warm front to the south of the area will lift northward bringing an increase in moisture and the threat of showers and thunderstorms by mid week.
Here is the extended forecast: Sunday night, clear with lows in the 30s.
Monday, sunny with highs in the mid 60s.
Monday night, mostly clear with lows in the mid 40s.
Tuesday, mostly sunny with highs in the upper 60s.
Tuesday night, partly cloudy with lows in the mid to upper 40s.
Wednesday, partly cloudy with a chance of showers and thunderstorms. Highs will reach the mid 70s.