Rounds of showers and thunderstorms will impact ON & S QC through the short range as an ULL pinwheels across the region. The slow-moving nature of this complex could lead to localized heavier amounts of moisture over the next couple of days.

18z RGEM total precip @ hour 48:


A substantial change in the larger-scale pattern will occur through the course of the medium range, culminating in a cooldown for the west while warmth is allowed to make headway into the east.

12z EPS 850mb temp anomalies, days 1-5:


Days 6-10:


12z NAEFS temp probabilities, days 8-14: