Flood Forecasting and Warning Program
Information about the Flood Forecasting and Warning Program, which prepares provincial and local authorities in the event of a flood.
Current flood information
Flood information updated as of: January 22, 2019 - 5:10 pm
Special Lake Erie (Eastern Basin) Flood Watch Issued By Ministry of Natural Resources and Forestry's Surface Water Monitoring Centre for January 12, 2019
Ontario flood map
Locally issued flood messages
Issued by MNRF Districts and Conservation Authorities
- Credit Valley - Watershed Conditions Statement – Water Safety - January 22, 2019 3:30 pm
- Essex Region - Watershed Conditions Statement – Flood Outlook - January 22, 2019 4:20 pm
- Grand River - Watershed Conditions Statement – Flood Outlook- Lake Erie - October 12, 2018
- Long Point Region - Watershed Conditions Statement – Flood Outlook for Lake Erie Shoreline - November 26, 2018
- Lower Thames Valley - Watershed Conditions Statement – Flood Outlook - January 22, 2019 3:20 am
- Maitland Valley - Watershed Conditions Statement – Flood Outlook - January 18, 2019 11:30 am
- Rideau Valley - Flood Watch - January 21, 2019 3:00 pm
- Saugeen Valley - Flood Watch - January 21, 2019 1:50 pm
River Regulatory Agencies
Issued to Local Authorities by the Surface Water Monitoring Centre
MNRF Southern Region
Water levels and flows are in the seasonal range. With current low temperatures, some agencies have reported the development of frazil ice in local rivers.
Lake Huron / Georgian Bay shores, may see 10 - 20 cm of snow later today. Frigid daytime temperatures will warm to just above zero today and up to 5 degrees C tommorrow. With warming temperatures 10-25 mm of rain are forecast across southern Ontario Wednesday before temperatures drop to below seasonal again later this week.
MNRF Northeastern Region
Water levels and flows are in the seasonal range. Over the next 5 days, 5 - 30 cm of snow is forecast. Temperatures are forecast to remain below zero all week.
MNRF Northwestern Region
Water levels and flows are in the seasonal range. Only minimal precipitation is forecast for the region over the next five days.
Temperatures are forecast to stay below seasonal this week.
Flood Message Definitions
Provincial flood messages
There are 2 types of provincial flood messages:
- the Provincial Flood Watch, which provides consistent and timely technical information about the potential for flooding
- the Provincial Watershed Conditions Statement, which provides information on provincial watershed conditions as they relate to flood potential, and an outlook on expected spring flood conditions
Local flood messages
There are 3 types of local flood messages:
- flood warning: flooding is imminent or already occurring
- flood watch: there is the potential for flooding
- watershed conditions statements: flood Outlook (an early notice of the potential for flooding based on heavy rain, snow melt etc.) and water safety information.
Who to contact for flood information
Your local Conservation Authority is responsible for local flood messaging.
Your local municipality is responsible for on-the-ground flood response.
If you live in a community that is not serviced by a conservation authority, any flood watches or flood warnings in your area are issued by the nearest Ministry of Natural Resources and Forestry district office.