WeatherAI Analysis: Cass County is currently partly cloudy at 26°C. Precipitation is likely — peak probability 70% around 8 PM. Atmospheric instability is elevated (CAPE up to 1038 J/kg) — isolated convective development possible. Sunrise: 5:53AM · Sunset: 8:45PM.
Air quality is satisfactory and poses little or no health risk.
The U.S. AQI runs 0–500. The overall value equals the highest individual pollutant sub-index, and the dominant pollutant is the one driving it. PM2.5 (fine particles) is reported in µg/m³ and ozone (O3) in ppb. Forecast source: NWS NAQFC.