Missouri - United States   2026-07-11   Saturday   38.49N, -90.82W

Gray Summit

Missouri - United States
2026-07-11

Flood Warning issued July 11 at 9:44AM CDT until July 15 at 3:00PM CDT by NWS St Louis MO

Issue date: 2026-07-11T14:44+00:00

...The National Weather Service in St Louis has issued a Flood Warning for the following rivers in Missouri... Meramec River at Pacific. River forecasts are based on observed precipitation and forecast precipitation for the next 24 hours. * WHAT...Minor flooding is forecast. * WHERE...Meramec River at Pacific. * WHEN...From Sunday evening to Wednesday afternoon. * IMPACTS...At 17.0 feet, State Highway AK begins flooding near the intersection with State Highway O near Robertsville. * ADDITIONAL DETAILS... - At 9:00 AM CDT Saturday the stage was -0.8 feet. - Forecast...The river is expected to rise above flood stage tomorrow evening to a crest of 17.4 feet early Monday afternoon. It will then fall below flood stage Tuesday morning. - Flood stage is 15.0 feet.

Flood Watch issued July 11 at 1:31AM CDT until July 11 at 7:00PM CDT by NWS St Louis MO

Issue date: 2026-07-11T06:31+00:00

* WHAT...Flash flooding caused by excessive rainfall continues to be possible. * WHERE...Portions of southwest Illinois, including the following areas, Monroe IL and Randolph IL and Missouri, including the following areas, Cole MO, Crawford MO, Franklin MO, Gasconade MO, Iron MO, Jefferson MO, Madison MO, Moniteau MO, Osage MO, Reynolds MO, Saint Francois MO, Sainte Genevieve MO and Washington MO. * WHEN...Through this evening. * IMPACTS...Low-water crossings may be flooded. Extensive street flooding and flooding of creeks and rivers are possible. * ADDITIONAL DETAILS... - Scattered showers and thunderstorms are expected through today with locally heavy rainfall likely to accompany thunderstorms. Thunderstorms will be capable of producing rainfall rates of 1-2" per hour with the strongest cells. Additional totals of 1-3" are possible with locally higher amounts. Areas that have been affected by excessive rainfall in the previous 24-36 hours will be highly susceptible to flash flooding.