A few showers and a risk of thunderstorms will mark the start of June in Brandon, Manitoba, before skies clear and temperatures climb toward the weekend. Environment Canada’s forecast for Monday afternoon calls for rain ending late in the day, with a high of 24°C and a humidex of 26.
As of 1 p.m. on June 1, 2026, conditions at the Brandon Airport were mostly cloudy. The temperature sat at 16.3°C with humidity at 92 per cent and a southwest wind of 17 km/h, according to Environment Canada. No weather alerts were in effect for the city.
Tuesday will stay unsettled, with a high of 25°C, a humidex near 30, and a UV index of 7, which is considered high. Wednesday will be cooler at 19°C, with a 60 per cent chance of showers and cloudy skies. The remainder of the week, however, will brighten significantly. Saturday is expected to be sunny with a high of 30°C, and Sunday will reach 32°C under clear skies.
The shift comes after an unusually cold spring, which was followed by a heat wave that prompted warnings across most of Manitoba in late May. Southern Manitoba and Parkland regions saw daytime highs in the low to mid-30s, the first major heat event of the year for the Prairies. The normal high for June 1 in Brandon is 21°C, with an overnight low of 9°C, so the weekend’s predicted 30°C and 32°C will feel like an abrupt change.
Conditions are also favourable for severe thunderstorms across southwestern Manitoba and southeastern Saskatchewan, with the potential for strong wind gusts, large hail, and heavy rain. Residents are encouraged to monitor forecasts as conditions evolve.