Alert archive / Missouri / River Flood Warnings in 2026

River Flood Warning 62, NWS St. Louis, MO

May 19, 2026Cole County, Missouri

NWS St. Louis, MO issued this river flood warning at May 19, 2026, 1:53 AM CDT for Cole County, Missouri. It took effect at May 19, 2026, 12:10 PM CDT. It was in force for 34 hr.

The area

The counties it named.

The facts

Issued
May 19, 2026, 1:53 AM CDT (06:53 UTC)
In effect from
May 19, 2026, 12:10 PM CDT
Expired
May 20, 2026, 9:57 PM CDT
In force
34 hr
Issued by
NWS St. Louis, MO
Area
Storm-based polygon
Flood severity
Minor

County Cole County, MO

The radar

The St Louis radar (KLSX), 141 km from the middle of the area, began a volume at 06:54 UTC, the scan nearest the moment this went out.

Open the radar archive at this moment

The archived warnings, watches and discussions in force at that minute are drawn over the scan, this one among them.

The river

Written for the forecast point Moreau River (MO) near Jefferson City (JCMM7).

Action stage
13 ft
Minor stage
17 ft
Moderate stage
25 ft
Major stage
29 ft

This gauge today: stage, forecast and historic crests

Stage from the USGS instantaneous record for site 06910750, one reading an hour, from a day before the product to a day after it ended. Flood stages are today's.

What forecasters said that day

The local office's own words before this river flood warning went out, as it sent them, from the Iowa Environmental Mesonet's archive of National Weather Service text.

NWS St. Louis, MO wrote its last area forecast discussion before this river flood warning went out at May 19, 1:10 AM CDT, 43 minutes earlier.

Area forecast discussion, May 19, 1:10 AM CDT, 43 minutes before
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Hazardous weather outlook, May 18, 3:55 PM CDT, 9 hours 58 minutes before
Hazardous Weather Outlook
National Weather Service St Louis MO
355 PM 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>075-084-085-099-192100-
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-
355 PM 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...This afternoon 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

In the hours before

Local storm report, May 18, 8:33 PM CDT, 5 hours 20 minutes before
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Local storm report, May 18, 8:34 PM CDT, 5 hours 19 minutes before
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Local storm report, May 18, 8:38 PM CDT, 5 hours 15 minutes before
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Local storm report, May 18, 8:46 PM CDT, 5 hours 7 minutes before
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Local storm report, May 18, 9:01 PM CDT, 4 hours 52 minutes before
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Local storm report, May 18, 9:11 PM CDT, 4 hours 42 minutes before
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The office that day

Everything else NWS St. Louis, MO issued on the same UTC day.

IssuedProductOfficeCountiesLasted
May 18, 8:16 PM CDTRiver Flood WarningLSXLincoln25 hr
May 19, 10:11 AM CDTRiver Flood WarningLSXFranklin58 hr
May 19, 12:13 PM CDTRiver Flood WarningLSXCallaway, Osage4 days
May 18, 8:17 PM CDTAreal Flood AdvisoryLSXMarion12 hr
May 18, 8:56 PM CDTAreal Flood AdvisoryLSXBond, Clinton, Fayette, Madison, Monroe, Saint Clair and 1 more3 hr

Nearby

River Flood Warnings in Missouri, 2026Every river flood warning in 2026

Sources

The product and its follow-ups from the Iowa Environmental Mesonet's archive of National Weather Service and Storm Prediction Center text; radar from the NEXRAD Level II archive; the gauge from the NWS water service and the USGS.