Ireful

... ireful clouds collect in stern array, / And bursting thunders speak the mighty fray;

Source: wiktionary

... ireful crimson sky, as he gropes his broken way home after the trial.

Source: wiktionary

... ireful clouds, as foreboding a day for starting a mission as Bennie and Sadie Mays could recall—and the weather became a nagging portent that lingered in their minds during a warm reception filled with hope and promises.

Source: wiktionary

... ireful clouds seemed to sink heavily toward the town. It wasn't supposed to rain here, and yet the sand beneath his feet was as soaked as any shoreline.

Source: wiktionary