Environment Canada is forecasting warm, mostly sunny weather for Beaumont, Alberta for the week of May 25 to 31, 2026, with daytime highs well above the seasonal average and a chance of afternoon thunderstorms on some days.
The official forecast, issued at 4:00 PM MDT on May 25, 2026, calls for a mix of sun and cloud with a high of 26 C on Monday and a peak near 29 C on Tuesday. Wednesday is expected to clear with a high near 28 C, while Thursday will be a mix of sun and cloud with a high near 27 C. Friday should be sunny with a high near 30 C. The weekend looks cooler with a 60 percent chance of showers on Saturday and periods of rain on Sunday, and highs dropping to about 22 C and 17 C respectively.
There are currently no weather alerts in effect for Beaumont as of May 25, 2026, according to Environment Canada. That means conditions are normal now, but residents should keep checking updates because late May in Alberta can produce rapidly developing storms.
Environment Canada notes a chance of afternoon showers and thunderstorms mid-week, with a 30 percent chance of showers on Tuesday and a risk of thunderstorms overnight. Canada’s thunderstorm season typically runs from mid-April to mid-October, with May ranking as the fourth most active month for thunderstorm activity in Alberta. The provincial guidance on severe weather warns that storms can develop quickly and bring damaging wind, hail, heavy rain, lightning and sometimes tornadoes, and that lightning causes fatalities and injuries each year; the provincial advisory is available on Alberta.ca.
For most people this week will be good for outdoor plans, including yard work and weekend activities, but residents should stay weather aware. Check the Environment Canada forecast before heading out each day, watch for signs of rapidly building storms in the afternoon, and move indoors immediately if lightning or severe conditions appear.