La Crosse, WI – Strong to severe thunderstorms could impact parts of southeast Minnesota and central Wisconsin starting Thursday. Residents should prepare for potential disruptions.
According to the Hazardous Weather Outlook from the National Weather Service La Crosse, WI, severe storms are possible primarily north of Interstate 90 on Thursday and Friday. Details remain uncertain, but these storms could bring heavy rain and gusty winds. Isolated non-severe storms are also possible today, Wednesday, primarily in northeast Iowa and southwest Wisconsin.
Looking ahead to the Juneteenth holiday on Thursday, widespread showers and thunderstorms are expected, mainly after 1 a.m. New rainfall amounts of less than a tenth of an inch are possible, with higher amounts in thunderstorms. On Friday, there is a 40 percent chance of showers and thunderstorms after 1 a.m., with new rainfall amounts between a tenth and a quarter of an inch, and higher amounts in thunderstorms.
This weekend brings a significant heat threat. Dangerous heat is expected on Saturday and Sunday, with maximum heat indices ranging from 95 to 105 degrees in the afternoon. Highest values will be south of Interstate 94 and in river valleys. Stay hydrated and limit outdoor activity during peak heat. Charge your devices now in case of power outages.
The week ahead will see continued unsettled weather. Monday brings a 40 percent chance of showers and thunderstorms, mainly after 1 p.m., with Tuesday also showing a chance of showers and thunderstorms with new rainfall amounts up to a quarter of an inch.
Five-Day Weather Outlook:
- Wednesday, June 18th: [69°F] Chance of showers and thunderstorms, mainly after 1 p.m.
- Thursday, June 19th (Juneteenth): [84°F] Chance of showers and thunderstorms, mainly after 1 a.m.
- Friday, June 20th: [87°F] Chance of showers and thunderstorms.
- Saturday, June 21st: [94°F] Mostly sunny, with a dangerous heat index.
- Sunday, June 22nd: [92°F] Mostly sunny, continued dangerous heat.
