Regional weather: Thursday, July 12 - Central and Eastern U.S. and Southeastern Canada: A dissipating cold front over much of the region and an upper level disturbance is bringing some scattered showers to th, Tennessee River Valley, Ohio River Valley and the Southeast throughout the weekend. This feature may also cause heavy rainfall in areas of OK and TX and possibly AR and LA. Temperatures are beginning to fall for most areas as the showers and cloudy skies move in. Highs in the low-90's and upper 80's south and 70's and 80's north. Lows in the 70's south and 50's and 60's north.

Trajectory weather: Partly cloudy today with a slight chance for showers. High in the upper 90's. Tonight mostly cloudy with low in the 70's. Tomorrow, mostly sunny with high in the mid-90's.

Trajectory confidence: High

OUTLOOK: *** Low threat Thursday, Friday, Saturday and Monday. Moderate threat Saturday. ***

Thursday through Monday: **A new source of downy mildew has been reported in Tifton, GA. This is a small acreage source and the threat and risk have been adjusted accordingly. See epidemic history page for more information.** The events move northeast Friday through Monday. Conditions are mostly unfavorable for survivable transport and deposition, with the exception of Saturday when there will be mixed to favorable conditions. Thursday...Weakly Moderate Risk to cucurbits in south central GA. Friday...Low Risk to cucurbits. Saturday...Strongly Moderate Risk to cucurbits in the eastern half of GA. Moderate Risk to cucurbits in central SC. Sunday...Weakly Moderate Risk to cucurbits in eastern GA and central SC. Monday...Low Risk to cucurbits. Low Risk to cucurbits otherwise.