Sunshine dominates the morning and early afternoon before clouds increase, bringing a 30 per cent chance of afternoon showers. Mainly sunny conditions will give way to increasing cloud, followed by a 40 per cent chance of afternoon showers and a risk of a thunderstorm. Tonight brings a 30 per cent chance of showers, an evening thunderstorm risk and developing fog patches, with a low of 12°C. Sioux Lookout: Wednesday will be mainly cloudy with a 40 per cent chance of afternoon showers and a risk of a thunderstorm. Pickle Lake: Mainly cloudy skies Wednesday carry a 30 per cent chance of showers and an afternoon thunderstorm risk.