La Crosse residents should prepare for a combination of thunderstorms and sticky heat starting Saturday, August 16, which could complicate both travel and outdoor activities.
Storms are expected to develop by late afternoon, with the heaviest rain likely after dark. Drivers on U.S. Highway 53 and local roads should be on the lookout for slick pavement and sudden drops in visibility.
Storms to Intensify Overnight
The National Weather Service in La Crosse reports a 40% chance of afternoon storms, which will become stronger overnight Saturday. Southeast winds between 3 and 5 mph may shift storm movement, dumping up to three-quarters of an inch of rain in some areas.
Another 50% chance of storms will persist on Sunday, maintaining the wet pattern through early next week.
Humid Heat with High Heat Index
Saturday’s highs near 89°F will combine with humid air, pushing heat index values into the mid-90s. Residents are advised to limit strenuous outdoor activities, stay hydrated, and have a shelter plan in place in case of lightning.
Showers Continue Into Early Week
While rain chances will decrease slightly on Monday and Tuesday, scattered showers are still possible, which could impact commutes and outdoor events. Skies should clear by Wednesday, providing a brief respite before the next weather system arrives later in the week.
Five-Day Forecast for La Crosse, WI
Saturday: Partly sunny, storms late, high near 89°F.
Sunday: Showers and storms likely, high 82°F.
Monday: Chance of storms, high 86°F.
Tuesday: Partly cloudy, high 81°F.
Wednesday: Mostly sunny, high 81°F.