That last thunder clap triggered car alarms up and down the street and sent the cats scrambling under the bed. A three-day weekend approaches, and by all accounts it will be a wash-out, with storms heedlessly spoiling barbeques that traditionally mark the beginning of summer. I say now is not the time for another steel-grey, bulky cooker in the backyard. The lithe Grill Act comes in six uplifting colors—they look sharp even in the rain.