There will likely be a line later tonight with scattered storms throughout the day. Practice general lightning safety precautions (if you can see or hear it cancel practice, wait 30 minutes after he last rumble of thunder to resume) and you should be fine.
Significant damage in the Ottawa-Gatineau (ON/QC) area. I can't find the exact picture but news coverage was showing what appeared to be EF3 or high-end EF2 damage. Straight line winds estimated at 100 kph (60 mph) and grape sized hail. Around 30 injuries total according to latest reports