THUNDER BAY – WEATHER DESK – A spring chill is holding across the Far North today, with cloudy skies, scattered flurries, rain showers, and a return to snow for some communities by Monday.

Environment Canada lists no alerts in effect for Sandy Lake, Ogoki/Marten Falls, Kitchenuhmaykoosib/Big Trout Lake, and Fort Severn as of the latest posted update.

Today’s Weather Overview

Current Conditions

Sandy Lake starts the day cloudy with a light west-northwest wind, while Marten Falls/Ogoki and KI/Big Trout Lake are calm under cloud cover. Fort Severn is the coldest of the group, sitting near -8°C with a wind chill near -10

Weather Forecasts

Sandy Lake

Sandy Lake will see mainly cloudy skies today, with a 40 percent chance of morning flurries changing to a 40 percent chance of rain showers this afternoon. Rain begins late this afternoon, with a high of 7°C. Tonight, rain changes to snow or rain near midnight, with about 2 cm of snow possible and a low of -1°C. Monday brings periods of snow, with 5 to 10 cm possible, a north wind at 20 km/h gusting to 40, and a high of -1°C. Tuesday stays cloudy with a 60 percent chance of flurries and a high near 1°C, followed by more cloud and a 30 percent chance of flurries or rain showers Wednesday.

Marten Falls / Ogoki Post

For Marten Falls, using the Ogoki Post forecast station, today is cloudy with a 40 percent chance of flurries or rain showers changing to a 60 percent chance of rain showers near noon. The high is 7°C. Tonight remains cloudy with a 60 percent chance of showers, fog patches developing near midnight, and a low near 0°C. Monday brings snow or rain changing to rain in the morning, with about 2 cm of snow possible, an east wind developing near noon, and a high of 3°C. Tuesday is expected to bring periods of snow with a high of 2°C, while Wednesday stays cloudy with a 30 percent chance of flurries or rain showers and a high of 3°C.

KI / Big Trout Lake

Kitchenuhmaykoosib/Big Trout Lake will be mainly cloudy today, with a 60 percent chance of flurries changing to a 40 percent chance of rain showers or flurries near noon. The high is 5°C. Tonight stays mainly cloudy, with a 40 percent chance of rain showers or flurries early in the evening before periods of snow begin overnight. The low is -2°C, with a wind chill near -7. Monday brings periods of snow, with 2 to 4 cm possible and north winds at 30 km/h gusting to 50. Tuesday remains cloudy with a 60 percent chance of flurries and a high near 1°C. Wednesday stays cloudy with a 30 percent chance of flurries and a high near 1°C.

Fort Severn

Fort Severn will see a mix of sun and cloud today, but it remains cold. The high is only -1°C, with wind chills near -14 this morning and -6 this afternoon. Tonight becomes partly cloudy, then cloudy late this evening, with a low of -9°C and an overnight wind chill near -14. Monday is overcast with a high of -2°C and wind chills near -14 in the morning. Tuesday turns cloudy with a 60 percent chance of flurries and a high near 0°C. Wednesday remains cloudy with a 30 percent chance of flurries and a high of -1°C.

Wardrobe Recommendations

Residents should dress for late-winter conditions rather than spring warmth. A warm jacket, gloves, toque, and waterproof footwear are recommended across the region, especially in Sandy Lake and KI where snow and wet snow are expected. In Fort Severn, wind chills near -14 make insulated outerwear important for morning travel. Marten Falls/Ogoki residents should also watch for damp conditions and fog tonight.

Weather Trivia

Early May can still bring snow across Ontario’s Far North. Environment Canada’s climate normals show Fort Severn’s early May normal high is only about 5°C, while Sandy Lake’s normal high is closer to 12°C, showing how sharply spring conditions can vary across Northern Ontario.

Weather Overview: Northern Ontario remote communities weather update for Sandy Lake, Marten Falls/Ogoki Post, KI/Big Trout Lake, and Fort Severn, including current conditions, snow risks, temperatures, winds, and wardrobe advice.