Milwaukee, WI – Southern Wisconsin is bracing for a wave of unsettled weather, with the potential for strong to severe thunderstorms arriving Wednesday night. The activity is expected to develop as a low-pressure system moves through the region, bringing showers and increasing the risk of more intense storms after dark.
According to the National Weather Service in Milwaukee/Sullivan, the best chances for strong to severe thunderstorms exist from Wednesday into Wednesday night. Forecasters note there is still some uncertainty about the exact timing and intensity of the storm cells. Residents should stay alert for changing conditions and possible weather advisories.
The likelihood of precipitation increases significantly Wednesday afternoon, with showers becoming more widespread. The primary threat for severe weather, which could include strong winds and heavy downpours, will be concentrated in the overnight hours. This could create hazardous driving conditions on major roadways like I-94 and I-43. Spotter activation may be needed from Tuesday afternoon into Wednesday night.
Looking ahead to the Juneteenth holiday, a slight chance of showers and thunderstorms persists, mainly before 1 p.m. Very warm and humid conditions are expected to build across the area this weekend and continue into early next week, pushing temperatures higher.
The five-day forecast for Milwaukee shows a pattern of intermittent storm chances followed by summer-like heat:
- Tuesday: A slight chance of showers and thunderstorms. High near 70°F.
- Wednesday: Showers and thunderstorms likely, becoming numerous after 4 p.m. High near 64°F.
- Thursday (Juneteenth): A slight chance of thunderstorms before 1 p.m. Mostly sunny with a high near 79°F.
- Friday: A slight chance of thunderstorms in the afternoon. Mostly sunny with a high near 78°F.
- Saturday: A chance of showers and thunderstorms. Mostly sunny with a high near 86°F.
