Chatham-Kent (CK) has been issued its first heat warning of 2026.Environment Canada (EC) issued the alert on Monday afternoon, and it is expected to continue through to Tuesday night.According to the yellow warning, CK is expected to see daytime highs of 30 to 32 degrees, with humidex values of 36 to 38, and overnight lows near 20 degrees.These high temperatures can lead to heat exhaustion or heat stroke. If you or someone you're caring for has …