Shenandoah, Iowa is preparing for a period of rain and thundershowers. The weather forecast indicates a certainty of rain, beginning early in the evening and continuing throughout the night. As the night progresses, the rain is expected to turn into thundershowers. Temperatures are predicted to fall to a low of 43°F (6°C). The wind will be blowing from the east at speeds ranging from 10 to 20 mph.