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: Today, partly cloudy with 30% chance of rain. High in the 70's. Tonight, cloudy with 40% chance of showers. Low in the upper 50's. Tomorrow, partly cloudy skies, 40% chance of showers, high in the 70's.

Trajectory confidence: High

OUTLOOK: *** Moderate threat Thursday. Serious threat on Saturday. Low threat otherwise. ***

Thursday through Monday: **A new source from Gratiot County MI has been added. Visit the epidemic history page for more information.** Today...conditions are mixed for surviable transport and deposition. Moderate Risk to cucurbits in southeastern and central MI and southern Ontario, Canada. Low Risk to cucurbits otherwise. Friday...the event moves southeast and then north. Conditions are unfavorable for survivable transport and deposition. Weakly Moderate Risk to cucurbits in northern OH. Low Risk to cucurbits otherwise. Saturday's event moves northeast. Conditions are favorable for survivable transport and deposition. High Risk to cucurbits in central and southeastern MI and southern Ontario, Canada. Moderate Risk to cucurbits in western Quebec. Low Risk to cucurbits otherwise. Sunday and Monday...Unfavorable conditions for survivable transport and deposition for these days. Low Risk to cucurbits.