WeatherAI Analysis: La Crosse is currently overcast at 24°C. Precipitation is likely — peak probability 61% around 3 PM. Atmospheric instability is elevated (CAPE up to 752 J/kg) — isolated convective development possible. Sunrise: 5:54AM · Sunset: 8:34PM.
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.