Headline:
Flood Watch issued May 18 at 1:56PM CDT until May 19 at 1:00PM CDT by NWS St Louis MO
Event:
Flood Watch
Urgency:
Future
Effective:
May 18, 2026 - 11:56am
Expires:
May 19, 2026 - 3:00am
Description:
* WHAT...Flash flooding caused by excessive rainfall continues to be
possible.
* WHERE...Portions of southwest Illinois, including the following
areas, Calhoun IL and Jersey IL and Missouri, including the
following areas, Audrain MO, Monroe MO, Pike MO and Ralls MO.
* WHEN...Through Tuesday afternoon.
* IMPACTS...Excessive runoff may result in flooding of rivers,
creeks, streams, and other low-lying and flood-prone locations.
* ADDITIONAL DETAILS...
- Potential rainfall amounts of 2 to 4 inches, with localized
higher amounts of 4 to 6 inches.
Instruction:
You should monitor later forecasts and be prepared to take action
should Flash Flood Warnings be issued.
Area Description:
Calhoun; Jersey; Monroe; Ralls; Pike; Audrain
Forcast Office:
NWS St Louis MO
Sender:
w-nws.webmaster@noaa.gov