≋floodactive

Flash Flood Warning issued July 27 at 6:59PM CDT until July 27 at 10:00PM CDT by NWS Lincoln IL

8.0

39.4518° N, 87.6182° W·US-IL

Started 3h ago

Event Details

Typeflood

Severity8.0

Statusactive

Location39.4518°N, 87.6182°W (US-IL)

Started2026-07-27T23:59:00+00:00

Last Updated2026-07-28T02:50:49.647+00:00

Sourcenoaa_ahps

Source URLapi.weather.gov

Confidence1.00

Impact Zones

Catastrophic Impact Zone

Flash flooding or major flood stage. Immediate danger to life and property.

NWS polygon

Zone estimates are based on scientific models and may differ from actual local conditions.

Impact Analysis

Note: Zone 1 uses NWS polygon geometry. Exposure for this zone is pending polygon-based computation — totals reflect outer zones only.

Population from ACS 5-Year 2022 tract sampling; structure counts from Microsoft Building Footprints or Census ACS housing data, capped by USGS NLCD 2021 developed land. Estimates for situational awareness — not for actuarial, regulatory, or underwriting use.

Historical Comparison

2008 VIGO County, INDIANA Flood (2008)76% match

Flood in INDIANA, 19km from current event, $50M in recorded damage

VIGO County, INDIANADamage: $50.0M

2013 CLARK County, ILLINOIS Flash Flood (2013)69% match

Flash Flood in ILLINOIS, 30km from current event, $2M in recorded damage

CLARK County, ILLINOISDamage: $2.0M

2016 EDGAR County, ILLINOIS Flash Flood (2016)68% match

Flash Flood in ILLINOIS, 24km from current event, $250K in recorded damage

EDGAR County, ILLINOISDamage: $250K

Historical comparison based on peril type, geography, and severity. Past events do not predict future outcomes.

View on Live Map

US-IL flood hazard profile All US hazard profiles Scoring methodology

Zone estimates are based on scientific models and may differ from actual local conditions.