Sioux Lookout Weather: Showers with a Side of Thunderstorms

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The New Giant Tiger store has opened in Sioux Lookout
The Giant Tiger store in Sioux Lookout

Current Conditions: Sioux Lookout is currently experiencing cloudy skies with a high of 21°C. There’s a 70% chance of showers this afternoon, possibly accompanied by a thunderstorm. Winds are coming from the southwest at 15 km/h, which will give a pleasant breeze but also increase the likelihood of those storm clouds hanging around.

What’s Next?

  • Tonight (Sept 21): Expect mainly cloudy skies with a 30% chance of showers continuing into the evening. Winds will shift to the northwest at 20 km/h, dropping temperatures to a cool 7°C—perfect for some cozying up indoors.
  • Sunday (Sept 22): A cooler day awaits with highs of 15°C. There’s a 30% chance of morning showers, but things will clear up by the evening. Expect a chilly overnight low of 3°C, so if you’re out late, bring a jacket!
  • Monday (Sept 23): A lovely mix of sun and cloud with a high of 17°C. A perfect day for a walk or some light outdoor activity!

Wardrobe Tip:

For today and tomorrow, keep that umbrella handy and layer up to stay comfortable during the cooler parts of the day. Come Monday, sunglasses might be your go-to accessory!

Historical Note:

The average high for this time of year in Sioux Lookout is 14°C, with lows of 6°C, so while today is a bit warmer, Sunday will feel much more typical for mid-September.

Fun Fact: Did you know that Sioux Lookout recorded a heatwave of 33°C in late September? It’s hard to believe now, with showers and thunderstorms dominating the forecast!

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