High pressure will bring fair weather to northern Ohio today and tonight. The high will move to the east of the area Tuesday, allowing warmer and more humid air to spread northward across the state. A couple of showers and thunderstorms could pop up by late afternoon Tuesday.
Tuesday night and Wednesday, showers and thunderstorms will become more widespread as low pressure tracks northeast into the lower Ohio Valley.
Here is the forecast: For today, partly cloudy with highs in the mid 70s. Winds N 5-10 mph.
Tonight, partly cloudy with lows in the mid to upper 50s. Winds N 5-10 mph.
Tuesday, partly cloudy with a chance of a shower or thunderstorm. Highs will be near 80. Winds N, shifting to southeast 5-10 mph.
Tuesday night, mostly cloudy with showers and thunderstorms likely. Lows will be in the mid 60s.
Wednesday, mostly cloudy with showers and thunderstorms likely. Highs will top out around 80 degrees.
Extended Analysis: A low pressure system will move from the lower Ohio Valley, northward into the Great Lakes Wednesday night and Thursday. Scattered showers and thunderstorms are likely Wednesday night into early Thursday.
A rather vigorous disturbance will track southeastward through the lower lakes and Ohio Valley Thursday afternoon and evening. This will touch off another round of storms late Thursday afternoon into Thursday night.
High pressure will build across the region Friday and Saturday, bringing fair weather with much lower humidity.
Here is the extended forecast: Wednesday night, partly cloudy with a chance of showers and thunderstorms. Lows will be in the low 60s.
Thursday, partly cloudy with a chance of showers and thunderstorms. Highs will be around 80.
Thursday night, partly cloudy with a chance of showers and thunderstorms. Lows will be in the low to mid 60s.
Friday, partly sunny. Highs will be in the mid to upper 70s.
Friday night, partly cloudy with lows in the mid 50s.
Saturday, partly sunny with highs in the mid to upper 70s.