dark storm cloud formation in the mid west us

quail cloud thunder thunderstorm storm darkness sky lightning cumulus night rainbow dusk midnight wind daytime light moonlight formation dark weather ominous atmospheric nature tempest dramatic danger meteorology turbulent overcast menacing brewing gloomy foreboding meteorological brooding billowing skies thunderclouds stormy tempestuous heavy oppressive inclement thunderous cloudy threatening wild pattern looming front clouds landscape rain cloudscape midwest mid west fields