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Live forecasts update automatically; written guidance last reviewed 16 June 2026 by the BuzzLayer Weather Desk. Data from Environment and Climate Change Canada and other national met services via Open-Meteo.
Pack layers and watch the sky at Tunkwa Lake, where the 1,100-metre elevation west of Kamloops brings cool mornings, warm afternoons and sudden thunderstorms — the live forecast above shows today’s pattern.
How does elevation shape the weather here?
Tunkwa Lake sits on the Thompson Plateau at roughly 1,100 metres, a full 800 metres higher than the Kamloops valley floor. That elevation keeps daytime highs several degrees cooler than regional weather reports from Kamloops suggest, and overnight lows can dip near freezing even in midsummer. Afternoon convection builds regularly over the ridges, producing brief thunderstorms that move east toward Roche Lake and Logan Lake.
What do anglers and campers need to know?
The Tunkwa Lake webcam at Tunkwa Lake Resort is your best real-time check before heading out. Morning glass gives way to afternoon chop as wind funnels across the lake, and storms can develop quickly — review weather warnings if you are heading out late in the day. Tunkwa Lake camping is popular from May through September, but even July nights require a warm sleeping bag. The resort monitors conditions closely and posts updates for guests.
When is the best time to visit Tunkwa Lake?
Late June through early September offers the most reliable weather, with daytime highs of 20–25°C. July and August see the most afternoon thunderstorms, so plan morning fishing and afternoon exploration.
How accurate are forecasts for this mountain lake?
Mountain lake forecasts are inherently variable. The live forecast above gives a solid baseline, but checking the Tunkwa Lake webcam and recent Kamloops weather reports before departure is wise.
What should I pack for Tunkwa Lake camping?
Layers are essential — a fleece for cool mornings, rain gear for afternoon storms and sun protection for the strong UV at this elevation. A windbreaker is useful for boat fishing on windy afternoons.