2 products issued by NWS for: 5 Miles WNW Potosi MO
Hazardous Weather Outlook
Hazardous Weather Outlook National Weather Service St Louis MO 600 AM CDT Mon May 18 2026 ILZ058>060-064-065-069-070-074-079-095>102-MOZ018-019-026-027- 034>036-041-042-047>052-059>065-072>075-084-085-099-191100- Greene IL-Macoupin IL-Montgomery IL-Bond IL-Fayette IL-Clinton IL- Marion IL-Washington IL-Randolph IL-Adams IL-Brown IL-Pike IL- Calhoun IL-Jersey IL-Madison IL-Saint Clair IL-Monroe IL-Knox MO- Lewis MO-Shelby MO-Marion MO-Monroe MO-Ralls MO-Pike MO-Boone MO- Audrain MO-Moniteau MO-Cole MO-Osage MO-Callaway MO-Montgomery MO- Lincoln MO-Gasconade MO-Warren MO-Saint Charles MO-Franklin MO- Saint Louis MO-Saint Louis City MO-Jefferson MO-Crawford MO- Washington MO-Saint Francois MO-Sainte Genevieve MO-Iron MO- Madison MO-Reynolds MO- 600 AM CDT Mon May 18 2026 This Hazardous Weather Outlook is for portions of eastern and central Missouri as well as west central and southwest Illinois. .DAYS ONE THROUGH SEVEN...Today through Sunday. More detailed information can be accessed at: https://www.weather.gov/media/lsx/DssPacket.pdf The Area Forecast Discussion is available at: https://forecast.weather.gov/ product.php?issuedby=LSX&product=AFD&site=lsx .KEY MESSAGES... - Widespread showers and thunderstorms are expected throughout the day with heavy rainfall in some locations potentially leading to flash flooding. - A few strong to severe thunderstorms are possible this afternoon and evening with the main hazards being hail and damaging wind gusts. - Additional thunderstorms are forecast late tonight and early Tuesday morning with another round possible along a cold front Tuesday afternoon/evening. NOTE: Starting May 29, 2026, this outlook product will be discontinued. Please see the above products for more detailed forecast information. $$ WFO LSX
Flood Watch
Flood Watch
National Weather Service St Louis MO
112 AM CDT Mon May 18 2026
MOZ041-047>051-059-060-062-072-073-182115-
/O.NEW.KLSX.FA.A.0004.260518T1200Z-260519T0000Z/
/00000.0.ER.000000T0000Z.000000T0000Z.000000T0000Z.OO/
Boone MO-Moniteau MO-Cole MO-Osage MO-Callaway MO-Montgomery MO-
Gasconade MO-Warren MO-Franklin MO-Crawford MO-Washington MO-
Including the cities of Sullivan, Washington, Jefferson City, Union,
Fulton, and Columbia
112 AM CDT Mon May 18 2026
...FLOOD WATCH IN EFFECT FROM 7 AM CDT THIS MORNING THROUGH THIS
EVENING...
* WHAT...Flash flooding caused by excessive rainfall is possible.
* WHERE...Portions of central and east central Missouri, including
the following areas, in central Missouri, Boone MO, Callaway MO,
Cole MO, Moniteau MO and Osage MO. In east central Missouri,
Crawford MO, Franklin MO, Gasconade MO, Montgomery MO, Warren MO
and Washington MO.
* WHEN...From 7 AM CDT this morning through this evening.
* IMPACTS...Excessive runoff may result in flooding of rivers,
creeks, streams, and other low-lying and flood-prone locations.
* ADDITIONAL DETAILS...
- Potential rainfall amounts of 2 to 4 inches, with localized
higher amounts of 4 to 6 inches.
PRECAUTIONARY/PREPAREDNESS ACTIONS...
You should monitor later forecasts and be prepared to take action
should Flash Flood Warnings be issued.
&&
$$
Britt