ALT Headline: Another Frosty Night Ahead. Sub Headline: Coldest temperatures expected along and south of I-80. What To Expect. Frost expected, mainly across northwest Indiana and east of I-55 and south of I-80 in Illinois. What To Do. Take steps to protect tender plants from the cold by covering or bringing them indoors. Graphic Created: Saturday, October 17, 2026 4:26 AM CDT
ALT Headline: Threat for Flash Flooding Tonight. Sub Headline: Main time window for flash flooding late this evening through into Sunday morning. What To Expect. Another round of torrential rainfall. May flood roads, low-lying areas, fields, and basements, and cause rapid stream/creek rises. When: Favored Timing of Highest Rainfall Rates. ~7 PM this evening - 6 AM CDT Sunday. Where: Areawide. Highest rainfall amounts and greatest flooding impacts favored across northern Illinois and far northwest Indiana, which aligns with much of the area that experienced heavy rain over the past day. What To Do. NEVER drive or walk across flooded roads! Move valuables from flood-prone areas, such as basements and outdoor areas with poor drainage. Graphic Created: Saturday, September 19, 2026 2:27 PM CDT
ALT Headline: Dangerous Swimming Conditions This Afternoon. Sub Headline: Stay dry when waves are high! What To Expect: Dangerous 3-6 foot waves and hazardous boating conditions. Life-threatening currents may occur. Through Late This Afternoon. Southern Lake Michigan Beaches. Primarily at Illinois beaches. What To Do: Stay out of the water! Obey posted signs and closures. Avoid piers, breakwalls, and lakeshore trails. For beach forecasts: weather.gov/greatlakes/beachhazards Graphic Created: Friday, September 4, 2026 12:50 PM CDT
ALT Graphic showing a red-and-white outdoor emergency warning siren against a bright blue sky. The Village of Downers Grove logo appears in the upper-right corner, with the word “UPDATE” in white text on a green banner across the bottom.
ALT Headline: Flash Flooding Threat Tonight - Saturday AM. Sub Headline: Areas south of a Ottawa, IL to Fowler, IN line will be especially susceptible to flooding. What To Expect: Torrential Rainfall. Localized rainfall rates in excess of 3”/hr. Late Tonight Through Saturday AM. Areawide but with increasing threat with southwest extent. What To Do: Have multiple ways to get warning information including ways that will wake you up in the middle of the night. NEVER drive or walk through flooded areas. Graphic Created: Friday, August 14, 2026 2:13 PM CDT
ALT Headline: Thunderstorm Threat This Afternoon. Sub Headline: Some storms may produce strong winds and torrential rainfall, mainly south of Chicagoland. Potential Impacts. Move indoors if you hear thunder. Have multiple ways to get weather warnings. Avoid flooded roads and paths. What To Expect. What To Do. Showers with widely scattered thunderstorms. Localized Damaging Winds. Capable of downing tree limbs. Potential Impacts. Lightning Strikes. Torrential Rainfall. May cause flash flooding of roads, low-lying areas, fields, and basements, and cause rapid stream/creek rises. Threat Area Through 6:00 PM CDT Localized Downpours. Gusty Winds. Graphic Created: Thursday, August 13, 2026 12:47 PM CDT
ALT Headline: Severe Thunderstorm Threat on Tuesday. Sub Headline: Potential exists for a destructive line of thunderstorms to track through the area. Have multiple ways to get weather warnings. Stay tuned for the latest forecast updates. What To Expect. What To Do. Thunderstorms, possibly developing into an intense fast moving line. Primary Thunderstorm Hazard. Flooding Threat Level. Destructive Winds (≥80 mph). Capable of producing structural damage and downing trees. What’s Still Uncertain. Tuesday. 9 AM - 3 PM. The exact coverage of storms in northern IL and northwest IN and how quickly storms will intensify into an organized line. Graphic Created: Monday, August 10, 2026 2:15 PM CDT
ALT Headline: Localized Flooding Threat Today. Sub Headline: Greatest flooding potential where downpours occur repeatedly over the same areas. Periods of rain, heavy at times and perhaps a couple thunderstorms, will move across the area through this evening. Heavy downpours may lead to localized flooding and river rises. Remember never drive through flooded roads! Stay up to date with the latest forecasts. NEVER drive or walk across flooded roads. The threat extends Areawide. Heightened threat for flooding if heaviest rain overlaps with urban areas. Periods of Torrential Rainfall. Widespread rainfall amounts 1-2 inches. Localized amounts in excess of 2-3 inches. Graphic Created: Saturday, August 1, 2026 3:52 AM CDT
