Ottawa River Basin
Weather layer
— No weather overlay —
Snow depth (current)
Snow falling now (radar)
Rain falling now (radar)
Historic rain — last 30 days (24h accum)
Forecast rain — next 3 days (24h accum)
Forecast precip rate — next 3 days
Time
Basin outline
Cottage marker
Tributary watersheds
(DJ → Chenaux)
Overlay opacity:
70%
Weather:
MSC GeoMet
. Flow:
Water Survey of Canada
. Basins: Ottawa Riverkeeper & Ontario GeoHub (OWB Quaternary). Rain totals computed 2026-04-21.