Illinois Water Alerts — 3 Active Issues
Data source: NWS, EPA SDWIS
3 active water-related issues in Illinois. Last updated: 2026-08-11.
Weather & Safety Alerts (3)
Active alerts from the National Weather Service that may affect water safety:
Heat Advisory — Moderate
Areas: Keokuk; Washington; Louisa; Mercer
Heat Advisory issued August 11 at 11:29AM CDT until August 11 at 8:00PM CDT by NWS Quad Cities IA IL
Expires: August 12, 2026
Heat Advisory — Moderate
Areas: Jefferson; Henry; Des Moines; Van Buren; Lee; Henderson; Warren; Hancock; McDonough; Scotland; Clark
Heat Advisory issued August 11 at 11:29AM CDT until August 11 at 8:00PM CDT by NWS Quad Cities IA IL
Expires: August 12, 2026
Heat Advisory — Moderate
Areas: Jefferson; Wayne; Edwards; Wabash; Franklin; Hamilton; White; Jackson; Williamson; Saline; Gallatin; Union; Johnson; Pope; Hardin; Alexander; Pulaski; Massac; Gibson; Pike; Posey; Vanderburgh; Warr...
Heat Advisory issued August 11 at 10:47AM CDT until August 13 at 8:00PM CDT by NWS Paducah KY
Expires: August 12, 2026
High-Risk Areas (Forecast)
ZIP codes in Illinois with the highest probability of future violations:
| ZIP | City | 2-Year Probability | Trend |
|---|---|---|---|
| 60002 | Antioch | 95% | increasing |
| 60004 | Arlington Heights | 95% | increasing |
| 60005 | Arlington Heights | 95% | increasing |
| 60007 | Elk Grove Village | 95% | increasing |
| 60008 | Rolling Meadows | 95% | increasing |
| 60010 | Barrington | 95% | increasing |
| 60012 | Crystal Lake | 95% | increasing |
| 60014 | Crystal Lake | 95% | increasing |
| 60015 | Deerfield | 95% | increasing |
| 60016 | Des Plaines | 95% | increasing |
Sources
- Weather alerts: National Weather Service
- Violations & enforcement: EPA SDWIS
- Compliance forecasts: ZipCheckup analysis
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