Joplin, Missouri, is set for a mostly cloudy day with a slight chance of rain showers. The high temperature will reach approximately 80°F (27°C), accompanied by southerly winds blowing at 10 to 20 mph. The evening will maintain mostly cloudy skies with a continued chance of rain, and the temperature will drop to a low of 66°F (19°C) overnight. The consistent southerly winds may also elevate allergen levels, affecting those sensitive to pollen.