≋floodactive
Flood Watch issued August 5 at 1:57AM CDT until August 6 at 10:00AM CDT by NWS St Louis MO
7.0
40.0000° N, 89.0000° W·US-IL
Started just nowEvent Details
Typeflood
Severity7.0
Statusactive
Location40.0000°N, 89.0000°W (US-IL)
Started2026-08-06T03:00:00+00:00
Last Updated2026-08-05T10:00:40.19+00:00
Sourcenoaa_ahps
Source URLapi.weather.gov
Confidence1.00
Impact Analysis
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
2014 MACON County, ILLINOIS Flash Flood (2014)78% match
Flash Flood in ILLINOIS, 15km from current event, $20M in recorded damage
MACON County, ILLINOISDamage: $20.0M
2014 DE WITT County, ILLINOIS Flash Flood (2014)74% match
Flash Flood in ILLINOIS, 18km from current event, $5M in recorded damage
DE WITT County, ILLINOISDamage: $5.0M
2014 CHRISTIAN County, ILLINOIS Flash Flood (2014)71% match
Flash Flood in ILLINOIS, 27km from current event, $4M in recorded damage
CHRISTIAN County, ILLINOISDamage: $4.4M
Historical comparison based on peril type, geography, and severity. Past events do not predict future outcomes.
Related
Zone estimates are based on scientific models and may differ from actual local conditions.