Southern Wisconsin Faces Four Days of Rain
Southern Wisconsin Faces Four Days of Rain
Anonymous
Key Points
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Thursday’s showers are expected to move west to east during the morning, with the best chance south near the Illinois border; thunderstorms are not expected in the morning, and most areas should turn dry after the mid-to-late-morning rain.
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Friday is expected to remain relatively quiet during the day, with partly sunny skies and highs near 69 degrees, before showers and possible thunderstorms arrive after about 1 a.m. Friday night.
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National Weather Service forecasters say precipitable-water values could exceed 2 inches during the event, supporting “very efficient rainfall with some lightning intermittently.”
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The flooding concern is focused particularly on significant water ponding in areas with the greatest moisture buildup; forecasters said the highest rainfall totals will not necessarily occur in Milwaukee itself.
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With dangerous currents and 3- to 5-foot waves along the Milwaukee and Racine county shoreline, the National Weather Service advises swimmers to stay out of the water and to avoid piers, breakwalls and other exposed shoreline structures.
Southern Wisconsin is bracing for four days of rain starting Wednesday, with the heaviest downpour expected Friday night through Saturday. National Weather Service forecasters warn that some areas could receive 3 to 5 inches, with isolated spots exceeding 7 inches. Saturated ground and efficient rainfall could cause water to pond in low-lying areas and trigger localized flooding.
Thursday's showers will move west to east in the morning before clearing by mid-to-late morning. Friday will be dry during the day with partly sunny skies and highs near 69 degrees, but rain returns after 1 a.m. Friday night. Additional systems could keep rain chances elevated Sunday and Monday, potentially extending wet conditions throughout the week.
Rain Timeline: Thursday Morning Through Monday
Thursday's showers will arrive late Wednesday and continue moving through the morning hours, with the best chance occurring south near the Illinois border. National Weather Service expects most areas to dry out by mid-to-late morning. Friday will offer relief with partly sunny skies and highs near 69 degrees before showers and possible thunderstorms develop after 1 a.m. Friday night.
The most intense rain is forecast for Friday night through Saturday, with additional systems potentially keeping rain chances elevated Sunday and Monday. This extended pattern means southern Wisconsin could experience consecutive days of precipitation, making it important for residents to monitor conditions closely.
Rainfall Amounts Could Exceed Expectations
Most areas will receive 1 to 3 inches of rain over the four-day event. However, National Weather Service forecasters warn that some locations could get 3 to 5 inches, with isolated totals above 7 inches. Precipitable-water values could exceed 2 inches during the event, supporting "very efficient rainfall with some lightning intermittently."
The highest rainfall totals will not necessarily occur in Milwaukee itself, according to National Weather Service forecasters. Instead, water ponding will be most significant in areas with the greatest moisture buildup. Saturated ground will make the land less able to absorb additional water, increasing flooding risk in low spots.
Localized Flooding Expected but Not Widespread Flash Flooding
While National Weather Service forecasters warn of water ponding and localized flooding in some areas, widespread flash flooding is not expected at this time. The flooding concern is focused particularly on areas where water accumulates in low-lying spots due to saturated soil and efficient rainfall.
Residents should avoid driving through flooded roadways and report ponding to local authorities. Creeks and streams could rise above their banks in isolated locations, but the overall flooding threat remains localized rather than region-wide.
Beach Hazards Along Lake Michigan Shore
National Weather Service has issued a Beach Hazards Statement for Milwaukee and Racine counties through Wednesday afternoon, warning of 3- to 5-foot waves and dangerous currents. The agency advises swimmers to stay out of the water and avoid piers, breakwalls, and other exposed shoreline structures during this period.
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