La Crosse, WI – Air quality warnings and a round of thunderstorms are set to impact the Coulee Region Tuesday before a sharp shift to sunny skies by midweek.
According to the National Weather Service, Canadian wildfire smoke will push into west-central Wisconsin Tuesday morning, dropping PM2.5 levels into the “unhealthy for sensitive groups” range and possibly “unhealthy” in some spots. The Wisconsin Department of Natural Resources advises limiting strenuous outdoor activities, especially for those with asthma or heart conditions. Conditions should improve Tuesday night as a cold front moves through.
The same front may trigger scattered thunderstorms Tuesday afternoon, especially between 3 and 4 p.m. Some storms could produce small hail and gusty winds. Drivers should watch for reduced visibility in smoky areas and wet roads during evening commutes.
Wednesday will bring a complete turnaround with sunny skies, low humidity, and highs near 80°F — the week’s most comfortable day. Storm chances return Friday and linger into the weekend, but details on severity remain uncertain.
Five Day La Crosse, WI Forecast:
- Tuesday: Areas of smoke, 20% chance of storms after 3 p.m. High 84°F, low 58°F
- Wednesday: Sunny. High 80°F, low 58°F
- Thursday: Mostly sunny, chance of showers/storms after 1 p.m. High 81°F, low 65°F
- Friday: Slight storm chance, increasing to 30% at night. High 86°F, low 71°F
- Saturday: 30% chance of storms. High 90°F, low 68°F
