Pleasant conditions this afternoon will feature some of the best weather conditions of the week as a slow moving warm front over the Tennessee River Valley will bring period of rain to the region tomorrow on through Thursday morning with the prospect for flash flooding and urban flooding throughout the region. Rainfall amounts of two inches will be widespread with as much as five inches possible in some locations.
Clouds will increase through today and into this evening as high pressure over Quebec, Canada slowly gives way. Winds will back from the northwest to the south at 5 to 15 mph. Temperatures this afternoon will rise into the lower to mid 60's for highs.
Tonight, skies will become overcast with isolated to widely scattered showers developing towards morning. Winds will back to the southeast at 10 to 15 mph. Temperatures will fall into the mid to upper 40's for lows.
Tomorrow through tomorrow night, showers will develop from west to east as a warm front slowly approaches the region. The showers will be scattered with otherwise overcast skies and drizzle expected. Winds will back to the east at 10 to 20 mph with higher gusts. Temperatures will rise into the lower to mid 50's for highs.
Periods of moderate to heavy rain can be expected Wednesday on through Thursday morning as the warm front slowly pushes through the region. The rain will reduce visibility to below 2 miles and lead to urban and flash flooding throughout the region. Rainfall amounts of two to five inches can be expected by Thursday afternoon. Winds will be from the east at 10 to 20 mph with higher gusts. Temperatures will range from the mid to upper 40's for lows and mid to upper 50's for highs on Wednesday. Temperatures will fall back into the mid 50's for lows on Thursday morning.
By Thursday afternoon the warm front will push into New England leading to scattered cloud cover by the afternoon. Winds will veer to the southwest at 15 to 25 mph. Temperatures will soar into the lower to mid 70's for highs ahead of an advancing cold front. Showers and thunderstorms will follow on Thursday evening.
High pressure will take hold slowly on Friday, Saturday, and Sunday with scattered clouds and a few isolated showers. Temperatures on Friday will range from the lower to mid 50's for lows and mid to upper 60's for highs. Temperatures on Saturday and Sunday will range from the upper 40's to lower 50's for lows and mid 60's for highs.