Flood Notices
Watershed Condition Statement โ Flood Outlook โ Smaller watercourses and Thames River โ April 1, 2025 โ 2:00 PM
Highlights: โข A Special Weather Statement has been issued by Environment Canada due to significant rain in the forecast. โข Forecasts of 30-50 mm of rain, Wednesday into Thursday, with higher amounts possible from thunderstorms โข Areas of ponding, standing water and...
Watershed Condition Statement โ Flood Outlook โ Thames River and smaller watercourses โ March 16, 2025 โ 7:45 AM
Highlights: โข Areas in the lower Thames River watershed have seen 5-20 mm of rain since yesterday morning. โข The Thames River is expected to rise and flood the river flats from Delaware down to Chatham. โข In Chatham, flooding is expected to be limited to the sidewalk...
Watershed Condition Statement โ Flood Outlook โ Thames River and smaller watercourses โ March 13, 2025 โ 4:00 PM
Highlights: โข The snowpack in the upper Thames River watershed continues to melt. โข Forecasts for Saturday and Sunday are calling for 20 to 25 mm of rain, with possible thunderstorms. โข Flooding along the Thames River, including in Chatham, will depend on how much...
Watershed Condition Statement โ Flood Outlook โ Thames River โ March 11, 2025 โ 5:00 PM
Highlights: โข Snowpack in the upper Thames River watershed expected to be mostly melted by the end of the week. โข Water levels on the Thames River will rise and flood the low-lying river flats from Delaware to Chatham. โข Rain forecast for the weekend could raise water...
Watershed Condition Statement โ Flood Outlook โ Thames River โ March 6, 2025 โ 10:15 PM
Highlights: โข The ice jam that had formed at the mouth of the Thames River at Lighthouse Cove is now gone. โข The Thames River will continue to rise and flood the river flats from Delaware down to Chatham โข Water levels on smaller watercourses are falling. Message:...
Flood Watch – Thames River – March 6, 2025 – 6:15 p.m.
Highlights: โข An ice jam has formed at the mouth of the Thames River at Lighthouse Cove. โข The Thames River will continue to rise and flood the river flats from Delaware down to Chatham โข Water levels on smaller watercourses are falling. Message: Over the last few...
Watershed Condition Statement โ Flood Outlook โ Thames River โ March 6, 2025 โ 10:15 AM
Highlights: โข Water levels on smaller watercourses are falling. โข The Thames River will continue to rise and flood the river flats from Delaware down to Chatham. โข Ice on the Thames River has cleared out of the river from Chatham and upstream. The remaining broken up...
Flood Watch โ Thames River and smaller watercourses โ March 5, 2025 โ 5:45 pm
Highlights: โข Water levels on smaller watercourses should begin falling this evening or overnight. โข The Thames River will rise and flood the river flats from Delaware down to Chatham. โข Ice on the Thames River has begun to break up and move downstream. Sudden surges...
Watershed Condition Statement โ Flood Outlook โ Smaller Watercourses & Thames River โ March 4, 2025 โ 11:30 AM
Highlights: โข Special Weather Statement in effect, calling for 15 to 25 mm of rain tonight through Wednesday. โข Smaller watercourses are expected to rise, and any of their remaining ice is expected to break up. โข Areas of ponding, standing water, and localized...
Watershed Condition Statement โ Flood Outlook โ Thames River Spring Melt & Ice Jam Risks โ March 1, 2025
Message: The Winter of 2025 has had some long periods of cold weather that havenโt been seen in the last few years. For the upper Thames River watershed, this has produced some significant depths of snowpack, while in the lower Thames River watershed this has produced...
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Watershed Condition Statement – Safety Bulletin – Thames River and Smaller Watercourses – Feb 18, 2026 – 3:00 PM
Highlights: Warm temperatures continue to melt the snow in the Thames River watershed. Most of the Lower Thames watershed received less than 5 mm of rain since last night. Smaller watercourses are responding and are filled with snow and ice which may lead to localized...
Watershed Condition Statement โ Flood Outlook โ Thames River and smaller watercourses โ February 16, 2026 โ 3:00 PM
Highlights: Warm temperatures, melting snow, and significant rainfall forecast for overnight tomorrow through Wednesday, will lead to high water levels and potential flooding. Ponding, standing water, and localized flooding expected around the watershed due to the...
Watershed Condition Statement โ Flood Outlook โ Thames River โ January 12, 2026 โ 4:00 PM
Highlights: The warm weather last week caused the melting snow and rain to raise water levels on smaller watercourses as well as the Thames River itself. Water levels on the Thames River around London peaked last Saturday. The peak water level is expected in the city...
Watershed Condition Statement โ Flood Outlook โ Thames River โ January 9, 2026 โ 11:00 AM
Highlights: A warm weather system has moved into the region. The melting snow and rain will raise water levels on smaller watercourses as well as the Thames River itself. Water levels on the Thames River around London are expected to peak Saturday. The peak will then...
Watershed Condition Statement โ Safety Bulletin โ Thames River โ January 2, 2026 โ 4:00 PM
Highlights: Water levels are now dropping on the Thames River upstream of Chatham. Thames River peaked near Dutton at around noon on Wednesday and is currently peaking in Chatham. A small ice jam has formed at the mouth at Lighthouse Cove, raising water levels in the...
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