Northern Ontario: Weather Forecast

7-day Weather Forecast for Northeastern Ontario

CTVNewsNorthernOntario.ca has all the weather details you need to know for northeastern Ontario and what to expect for the next seven days.

‘Alert fatigue’: Environment Canada launches new weather warning systemOpens in new window

New tornado warning system on the way for CanadiansOpens in new window

Quick-acting family extinguishes wildfire on Manitoulin IslandOpens in new window

Cleanup underway in North Bay after flash floodingOpens in new window

Major milestone in Sudbury events centre construction

Ontario threatened to cut off U.S. critical minerals supply. Sudbury isn’t panicking

Author turns setback into community book fair

Parry Sound area horse tests positive for West Nile virus

Boy, 11, killed after vehicle collides with dump truck on Hwy. 17

Northeastern Ontario road deaths near 2025 totals

Algoma Steel resumes production despite damaged turbine

Teen charged after bear spray assault: Sault police

Senior accused of trying to run over teens on bikes in northern Ont.

Tailings leak into creek at Agnico’s Detour Lake Mine

Woman nearly hit by rock thrown at her house from ATV

Northeastern Ontario road deaths near 2025 totals

Canada

‘It’s not just me’: Cyclists carry memories of fallen paramedics across P.E.I.

September 03, 2026 at 9:02a.m. EDT

Kelowna, B.C., mayor asks feds to shut consumption site after 3,400 police visits

September 02, 2026 at 9:12p.m. EDT

Voters head to polls today in three Ontario byelections

September 03, 2026 at 6:47a.m. EDT

WATCH LIVE: Durham Regional police reveal results of $1M romance scam

September 03, 2026 at 9:15a.m. EDT

‘Every litre conserved helps’: Water conservation ‘critical’ after dam breach in Lunenburg, N.S.

September 03, 2026 at 9:13a.m. EDT

Hilroy says sorry for leaving Newfoundland, Cape Breton off notebooks' Canadian map

September 02, 2026 at 11:06a.m. EDT

Espanola mill to get $5 million facelift

27 minutes ago

Carney set to announce 'historic investment' in Canadian manufacturing

4 hours ago

OPP investigates fatal crash on Highway 11

10 hours ago

Major milestone in Sudbury events centre construction

15 hours ago

Northern Ontario municipal election races heat up

16 hours ago

Northern Ontario

7-day Weather Forecast for Northeastern Ontario

Northern Weather Articles

‘Alert fatigue’: Environment Canada launches new weather warning systemOpens in new window

New tornado warning system on the way for CanadiansOpens in new window

Quick-acting family extinguishes wildfire on Manitoulin IslandOpens in new window

Cleanup underway in North Bay after flash floodingOpens in new window

Major milestone in Sudbury events centre construction

Ontario threatened to cut off U.S. critical minerals supply. Sudbury isn’t panicking

Author turns setback into community book fair

Parry Sound area horse tests positive for West Nile virus

Boy, 11, killed after vehicle collides with dump truck on Hwy. 17

Northeastern Ontario road deaths near 2025 totals

Algoma Steel resumes production despite damaged turbine

Teen charged after bear spray assault: Sault police

Senior accused of trying to run over teens on bikes in northern Ont.

Tailings leak into creek at Agnico’s Detour Lake Mine

Woman nearly hit by rock thrown at her house from ATV

Northeastern Ontario road deaths near 2025 totals

Canada

‘It’s not just me’: Cyclists carry memories of fallen paramedics across P.E.I.

Kelowna, B.C., mayor asks feds to shut consumption site after 3,400 police visits

Voters head to polls today in three Ontario byelections

WATCH LIVE: Durham Regional police reveal results of $1M romance scam

‘Every litre conserved helps’: Water conservation ‘critical’ after dam breach in Lunenburg, N.S.

Hilroy says sorry for leaving Newfoundland, Cape Breton off notebooks' Canadian map

Happening Now

Espanola mill to get $5 million facelift

Carney set to announce 'historic investment' in Canadian manufacturing

OPP investigates fatal crash on Highway 11

Major milestone in Sudbury events centre construction

Northern Ontario municipal election races heat up