Active Weather Alerts
Flood Watch
Issued: 4:57 AM Apr. 4, 2026 – National Weather Service
...FLOOD WATCH REMAINS IN EFFECT UNTIL 10 AM CDT /11 AM EDT/ SATURDAY... * WHAT...Flash flooding caused by excessive rainfall continues to be possible. * WHERE...Portions of northern and central Illinois and northwest Indiana. * WHEN...Until 10 AM CDT /11 AM EDT/ Saturday. * IMPACTS...Roads and streets may be flooded. Area creeks and streams are already elevated, increasing the risk of flooding due to additional rainfall. * ADDITIONAL DETAILS... - Recent rounds of heavy rainfall have left soils saturated and stream and creek levels elevated across the area. Additional rounds of heavy rainfall overnight may lead to rapid run-off and an increased threat of flash flooding. - http://www.weather.gov/safety/flood PRECAUTIONARY/PREPAREDNESS ACTIONS... A Flood Watch for flash flooding means rapid-onset flooding is possible, but not yet certain, based upon the latest forecasts. Flash flooding is a dangerous situation. Persons with interests along area rivers, creeks, and other waterways should monitor the latest forecasts and be prepared to take action should flooding develop. &&
Flood Advisory
Issued: 4:24 AM Apr. 4, 2026 – National Weather Service
...FLOOD ADVISORY IN EFFECT UNTIL 2 AM CDT SATURDAY... * WHAT...Flooding caused by excessive rainfall is expected. * WHERE...Portions of Cook County, Illinois and Lake County, Indiana. * WHEN...Until 200 AM CDT. * IMPACTS...Creeks and streams may rise out of their banks. Flooding may occur in poor drainage and urban areas. * ADDITIONAL DETAILS... - At 1122 PM CDT, Doppler radar indicated heavy rain due to thunderstorms. Up to 1 inch of rain has fallen. - Additional rainfall amounts of 1 to 2 inches are expected over the area. This additional rain will result in localized flooding. - Some locations that will experience flooding include... Chicago, Hammond, Gary, Orland Park, Tinley Park, Oak Lawn, Calumet City, Portage, Merrillville, Chicago Heights, Roseland, South Shore, Englewood, Chicago Lawn, Bridgeport, Midway Airport, South Lawndale, Chicago Loop, East Chicago and Schererville. - http://www.weather.gov/safety/flood PRECAUTIONARY/PREPAREDNESS ACTIONS... A Flood Advisory means minor flooding along waterways and other poor drainage areas is imminent or may already be occurring. Persons in the advisory area should use caution and avoid flood waters. Turn around, don't drown when encountering flooded roads. Most flood deaths occur in vehicles. Be especially cautious at night when it is harder to recognize the dangers of flooding. &&
Small Craft Advisory
Issued: 3:07 AM Apr. 4, 2026 – National Weather Service
...SMALL CRAFT ADVISORY IN EFFECT FROM 10 AM SATURDAY TO 10 AM CDT SUNDAY... * WHAT...West winds to 30 kt and significant waves to 6 ft occasionally to 8 ft expected. * WHERE...Illinois and Indiana nearshore from Winthrop Harbor IL to Michigan City IN. * WHEN...From 10 AM Saturday to 10 AM CDT Sunday. * IMPACTS...Conditions will be hazardous to small craft. PRECAUTIONARY/PREPAREDNESS ACTIONS... Inexperienced mariners, especially those operating smaller vessels, should avoid navigating in hazardous conditions. &&
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