River Flood Warning 21, NWS St. Louis, MO

Issued

Apr 19, 2025, 8:28 PM CDT (01:28 UTC)

In effect from

Apr 20, 2025, 4:27 AM CDT

Expired

Apr 20, 2025, 4:44 PM CDT

In force

12 hr

Issued by

NWS St. Louis, MO

Area

Storm-based polygon

Flood severity

Minor

County Crawford County, MO

The St Louis radar (KLSX), 99 km from the middle of the area, began a volume at 01:28 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.

Written for the forecast point Meramec River near Steelville (SEEM7). The gauge peaked at 11.09 ft at Apr 20, 2025, 7:00 AM CDT.

Action stage

10 ft

Minor stage

12 ft

Moderate stage

20 ft

Major stage

25 ft

This gauge today: stage, forecast and historic crests

Stage from the USGS instantaneous record for site 07013000, one reading an hour, from a day before the product to a day after it ended. Flood stages are today's.

952 
WGUS43 KLSX 200128
FLWLSX

BULLETIN - IMMEDIATE BROADCAST REQUESTED
Flood Warning
National Weather Service St Louis MO
828 PM CDT Sat Apr 19 2025

...The National Weather Service in St Louis has issued a Flood 
Warning for the following rivers in Missouri...

  Meramec River near Sullivan.

  Meramec River near Steelville.

River forecasts are based on observed precipitation and forecast 
precipitation for the next 24 hours.

PRECAUTIONARY/PREPAREDNESS ACTIONS...

Turn around, don't drown when encountering flooded roads. Most flood 
deaths occur in vehicles.

Rainfall heavier than forecast could cause river levels to rise even 
higher than predicted. The National Weather Service will monitor 
this developing situation and issue follow up statements as 
conditions change.

This product, along with additional weather and stream information, 
is available at https://water.noaa.gov/wfo/lsx

&&

MOC055-221-211330-
/O.NEW.KLSX.FL.W.0020.250420T0128Z-250424T0500Z/
/SLLM7.1.ER.250419T2324Z.250421T0600Z.250422T2240Z.UU/
828 PM CDT Sat Apr 19 2025

...FLOOD WARNING IN EFFECT FROM THIS EVENING TO LATE WEDNESDAY 
NIGHT...

* WHAT...Minor flooding is occurring and minor flooding is forecast.

* WHERE...Meramec River near Sullivan.

* WHEN...From this evening to late Wednesday night.

* IMPACTS...At 18.5 feet, Near this height, Missouri Route N will be 
  closed in both directions.

* ADDITIONAL DETAILS...
  - At 7:29 PM CDT Saturday the stage was 11.5 feet.
  - Recent Activity...The maximum river stage in the 24 hours
    ending at 7:29 PM CDT Saturday was 11.5 feet.
  - Forecast...The river is expected to rise to a crest of 19.0
    feet early Monday morning. It will then fall below flood
    stage Tuesday afternoon.
  - Flood stage is 11.0 feet.



&&


               Fld   Observed  Forecasts (7:00 am)
Location       Stg    Stage    Mon   Tue   Wed   Thu   Fri

Meramec River
  Sullivan     11.0    11.5    18.3  12.9  9.5   7.9   7.1



&&

LAT...LON 3801 9122 3807 9126 3816 9116 3828 9110
      3832 9097 3839 9091 3839 9082 3825 9092
      3823 9105 3808 9111


$$

MOC055-211330-
/O.NEW.KLSX.FL.W.0021.250420T0927Z-250423T0700Z/
/SEEM7.1.ER.250420T0927Z.250421T0600Z.250422T0123Z.NO/
828 PM CDT Sat Apr 19 2025

...FLOOD WARNING IN EFFECT FROM LATE TONIGHT TO LATE TUESDAY NIGHT...

* WHAT...Minor flooding is forecast.

* WHERE...Meramec River near Steelville.

* WHEN...From late tonight to late Tuesday night.

* IMPACTS...At 14.0 feet, Near this height, roads to the Lucky 
  Clover campgrounds begin to flood.

* ADDITIONAL DETAILS...
  - At 8:15 PM CDT Saturday the stage was 7.1 feet.
  - Forecast...The river is expected to rise above flood stage
    late tonight to a crest of 15.0 feet early Monday morning. It
    will then fall below flood stage Monday evening.
  - Flood stage is 12.0 feet.



&&


               Fld   Observed  Forecasts (7:00 am)
Location       Stg    Stage    Mon   Tue   Wed   Thu   Fri

Meramec River
  Steelville   12.0    7.1     14.8  9.5   5.9   4.7   4.2



&&

LAT...LON 3796 9153 3800 9154 3803 9141 3802 9138
      3807 9126 3801 9122 3800 9130 3796 9135


$$

19

240 
WGUS83 KLSX 202144
FLSLSX

Flood Statement
National Weather Service St Louis MO
444 PM CDT Sun Apr 20 2025

...The Flood Warning is cancelled for the following river in 
Missouri...

  Meramec River near Steelville.

River forecasts are based on observed precipitation and forecast 
precipitation for the next 24 hours.

MOC055-202245-
/O.CAN.KLSX.FL.W.0021.000000T0000Z-250420T2144Z/
/SEEM7.1.ER.000000T0000Z.000000T0000Z.000000T0000Z.NO/
444 PM CDT Sun Apr 20 2025

...FLOOD WARNING IS CANCELLED...

The Flood Warning is cancelled for
  the Meramec River near Steelville.

* ADDITIONAL DETAILS...
  - At 4:15 PM CDT Sunday the stage was 10.2 feet.
  - Forecast...The river is expected to fall to near 8.5 feet
    Tuesday morning.



&&


               Fld   Observed  Forecasts (7:00 am)
Location       Stg    Stage    Mon   Tue   Wed   Thu   Fri

Meramec River
  Steelville   12.0    10.2    10.2  8.5   5.8   4.7   4.2



&&

LAT...LON 3796 9153 3800 9154 3803 9141 3802 9138
      3807 9126 3801 9122 3800 9130 3796 9135


$$

Gosselin

River Flood Warnings in Missouri, 2025Every river flood warning in 2025

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.