Chicago, IL – Thunderstorms are set to ramp up across the Chicago area Tuesday afternoon, with the National Weather Service warning of a 60% chance for storms capable of producing torrential downpours and localized flooding. The most active period is expected between 1 p.m. and sunset, affecting travel and outdoor plans across Cook County and surrounding suburbs.
According to the National Weather Service in Romeoville, storms will move northeast at roughly 30 mph, with the heaviest rain potential in northern Illinois and northwest Indiana. Monday brings only a scattered shower risk, but Tuesday’s setup could cause brief but intense rainfall, leading to ponding on roads, especially in low-lying or poorly drained areas.
Residents should keep an eye on rapidly changing skies Tuesday afternoon and consider adjusting commutes or after-school activities. Drivers are urged to slow down in heavy rain and avoid flooded roadways.
Dry and sunny conditions are expected to return Wednesday and hold through Saturday, offering a stretch of seasonably warm August weather.
Five Day Forecast for Chicago, IL:
- Monday: Partly sunny, 40% chance of showers/storms. High 89°F, low 74°F
- Tuesday: Showers and storms likely, mainly after 1 p.m. High 85°F, low 72°F
- Wednesday: Sunny. High 90°F, low 70°F
- Thursday: Sunny. High 91°F, low 74°F
- Friday: Mostly sunny. High 91°F, low 75°F
