Selkirk, Manitoba is expected to see sunny skies and a sharp warm-up this week, with Environment Canada forecasting temperatures climbing from a high of 25°C on Monday, May 25, 2026 to a high of 34°C on Thursday, May 28, 2026; no weather alerts were in effect as of Monday, May 25, 2026 at 5:47 PM local time.
Environment Canada’s 7-day forecast shows a steady warm-up through the middle of the week, with Tuesday at 25°C, a rise to 27°C on Wednesday, then 34°C on Thursday and 33°C on Friday, May 29, 2026, before reaching 36°C on Saturday and 35°C on Sunday.
The forecast also lists the UV index at 6, classified as “high,” for Tuesday, so residents should plan to use sunscreen, wear a hat and sunglasses, and take shade breaks during peak sun hours following Environment Canada guidelines. Manitoba Health warns that during hot weather everyone can be at risk of heat-related illness, and that the risk is greatest for older adults, infants and young children, people with chronic conditions, and those who work or exercise outdoors, so people in those groups should take extra precautions, stay hydrated and watch for symptoms such as dizziness or nausea; see Manitoba Health for details.
Late May normals for Selkirk list an average high of 21°C and low of 7°C, which means the Thursday and Friday highs near 33-34°C are roughly 12-13°C above normal for this time of year, representing an unusually warm stretch even without an official heat warning. With no alerts currently in effect, residents can safely make outdoor plans but should do so with sun protection and fluid breaks in mind over the warmest days of the week.