More severe thunderstorms are possible across parts of northwestern Ontario on Sunday.

A severe thunderstorm watch has been issued for several areas, including:

• Thunder Bay
• Atikokan – Shebandowan – Quetico Park
• Beardmore – Jellicoe – Macdiarmid
• Gull Bay – Black Sturgeon Lake
• Ignace – English River
• Kakabeka Falls – Whitefish Lake – Arrow Lake
• Nipigon – Rossport
• Pickle Lake – Cat Lake
• Savant Lake – Sturgeon Lake
• Seine River Village – Mine Centre
• Upsala – Raith

Environment Canada said conditions are favourable for severe storms that may produce wind gusts up to 90 kilometres per hour, nickel to ping pong ball-sized hail and heavy rainfall.

The risk of severe thunderstorms is from Sunday afternoon into the evening.