Alert archive / Missouri / Flash Flood Warnings in 2025
Flash Flood Warning 13, NWS St. Louis, MO
NWS St. Louis, MO issued this flash flood warning at Jun 3, 2025, 10:03 PM CDT for Boone County, Missouri. It was in force for 117 min. No storm report in the archive falls inside the area while it was in force.
The area
The outline as issued.
The facts
- Issued
- Jun 3, 2025, 10:03 PM CDT (03:03 UTC)
- Expired
- Jun 4, 2025, 12:00 AM CDT
- In force
- 117 min
- Issued by
- NWS St. Louis, MO
- Area
- Storm-based polygon
- Flood severity
- None
County Boone County, MO
The radar
The St Louis radar (KLSX), 136 km from the middle of the area, began a volume at 03:04 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 nearest sounding before it
Springfield, MO (KSGF), launched 00:00Z, 3.1 hours before the alert went out and 258 km from the middle of its area. This is the routine balloon launch nearest before it, the air the forecaster had in hand, not a measurement taken for the alert.
- Mixed-layer CAPE
- 1505 J/kg
- Mixed-layer CIN
- -1 J/kg
- Mixed-layer LCL
- 1068 m above ground
- 0-6 km bulk shear
- 32 kt
- 0-1 km storm-relative helicity
- 143 m²/s²
- 0-3 km storm-relative helicity
- 278 m²/s²
- Significant tornado parameter
- 1.0
- Supercell composite
- 7.8
The text
As transmitted.
603
WGUS53 KLSX 040303
FFWLSX
MOC019-040500-
/O.NEW.KLSX.FF.W.0013.250604T0303Z-250604T0500Z/
/00000.0.ER.000000T0000Z.000000T0000Z.000000T0000Z.OO/
BULLETIN - EAS ACTIVATION REQUESTED
Flash Flood Warning
National Weather Service St Louis MO
1003 PM CDT Tue Jun 3 2025
The National Weather Service in St Louis has issued a
* Flash Flood Warning for...
Central Boone County in central Missouri...
* Until midnight CDT tonight.
* At 1003 PM CDT, local law enforcement reported heavy rain
producing water over the road in Route N at Brook Valley Drive,
causing a stranded vehicle. Between 2 and 3 inches of rain have
fallen. Additional rainfall amounts up to 1 inch are possible in
the warned area. Flash flooding is already occurring.
HAZARD...Flash flooding caused by thunderstorms.
SOURCE...Law enforcement reported.
IMPACT...Flash flooding of small creeks and streams, urban
areas, highways, streets and underpasses as well as
other poor drainage and low-lying areas.
* Some locations that will experience flash flooding include...
Columbia, Ashland, Columbia Regional Airport, Easley and Murry.
This includes the following State Parks...
Rock Bridge State Park and Jewell Cemetery Historic Site.
This includes Interstate 70 in Missouri between exits 121 and 133.
PRECAUTIONARY/PREPAREDNESS ACTIONS...
Turn around, don't drown when encountering flooded roads. Most flood
deaths occur in vehicles.
Be especially cautious at night when it is harder to recognize the
dangers of flooding.
&&
LAT...LON 3883 9243 3906 9244 3905 9213 3903 9214
3902 9213 3890 9217 3888 9215 3887 9216
3887 9215 3885 9215 3885 9214 3883 9215
3881 9214 3880 9216 3874 9218 3873 9219
3874 9238 3878 9240 3879 9238 3881 9238
FLASH FLOOD...OBSERVED
$$
Delia3 follow-up statements
922
WGUS73 KLSX 040321
FFSLSX
Flash Flood Statement
National Weather Service St Louis MO
1021 PM CDT Tue Jun 3 2025
MOC019-040500-
/O.CON.KLSX.FF.W.0013.000000T0000Z-250604T0500Z/
/00000.0.ER.000000T0000Z.000000T0000Z.000000T0000Z.OO/
Boone MO-
1021 PM CDT Tue Jun 3 2025
...FLASH FLOOD WARNING REMAINS IN EFFECT UNTIL MIDNIGHT CDT TONIGHT
FOR CENTRAL BOONE COUNTY...
At 1021 PM CDT, emergency management reported water over the roadway
from heavy rain in Hill Creek Road and Cave Creek Road, west of
Pierpont. Between 2 and 3 inches of rain have fallen. Additional
rainfall amounts up to 1 inch are possible in the warned area. Flash
flooding is already occurring.
HAZARD...Flash flooding caused by thunderstorms.
SOURCE...Emergency management reported.
IMPACT...Flash flooding of small creeks and streams, urban areas,
highways, streets and underpasses as well as other poor
drainage and low-lying areas.
Some locations that will experience flash flooding include...
Columbia, Ashland, Columbia Regional Airport, Easley and Murry.
This includes the following State Parks...
Rock Bridge State Park and Jewell Cemetery Historic Site.
This includes Interstate 70 in Missouri between exits 121 and 133.
PRECAUTIONARY/PREPAREDNESS ACTIONS...
Turn around, don't drown when encountering flooded roads. Most flood
deaths occur in vehicles.
Be especially cautious at night when it is harder to recognize the
dangers of flooding.
&&
LAT...LON 3883 9243 3906 9244 3905 9213 3903 9214
3902 9213 3890 9217 3888 9215 3887 9216
3887 9215 3885 9215 3885 9214 3883 9215
3881 9214 3880 9216 3874 9218 3873 9219
3874 9238 3878 9240 3879 9238 3881 9238
FLASH FLOOD...OBSERVED
$$
Delia354
WGUS73 KLSX 040349
FFSLSX
Flash Flood Statement
National Weather Service St Louis MO
1049 PM CDT Tue Jun 3 2025
MOC019-040500-
/O.CON.KLSX.FF.W.0013.000000T0000Z-250604T0500Z/
/00000.0.ER.000000T0000Z.000000T0000Z.000000T0000Z.OO/
Boone MO-
1049 PM CDT Tue Jun 3 2025
...FLASH FLOOD WARNING REMAINS IN EFFECT UNTIL MIDNIGHT CDT TONIGHT
FOR CENTRAL BOONE COUNTY...
At 1049 PM CDT, emergency management reported flash flooding along
St. Charles at Demaret and Forum Blvd at Old Plank Road in Columbia.
Between 2 and 4 inches of rain have fallen. Additional rainfall
amounts up to 1 inch are possible in the warned area. Flash flooding
is already occurring.
HAZARD...Flash flooding caused by heavy rain.
SOURCE...Emergency management reported numerous areas with water
over the roadway.
IMPACT...Flash flooding of small creeks and streams, urban areas,
highways, streets and underpasses as well as other poor
drainage and low-lying areas.
Some locations that will experience flash flooding include...
Columbia, Ashland, Columbia Regional Airport, Easley and Murry.
This includes the following State Parks...
Rock Bridge State Park and Jewell Cemetery Historic Site.
This includes Interstate 70 in Missouri between exits 121 and 133.
PRECAUTIONARY/PREPAREDNESS ACTIONS...
Turn around, don't drown when encountering flooded roads. Most flood
deaths occur in vehicles.
Be especially cautious at night when it is harder to recognize the
dangers of flooding.
&&
LAT...LON 3883 9243 3906 9244 3905 9213 3903 9214
3902 9213 3890 9217 3888 9215 3887 9216
3887 9215 3885 9215 3885 9214 3883 9215
3881 9214 3880 9216 3874 9218 3873 9219
3874 9238 3878 9240 3879 9238 3881 9238
FLASH FLOOD...OBSERVED
$$
Delia167
WGUS73 KLSX 040454
FFSLSX
Flash Flood Statement
National Weather Service St Louis MO
1154 PM CDT Tue Jun 3 2025
MOC019-040504-
/O.EXP.KLSX.FF.W.0013.000000T0000Z-250604T0500Z/
/00000.0.ER.000000T0000Z.000000T0000Z.000000T0000Z.OO/
Boone MO-
1154 PM CDT Tue Jun 3 2025
...FLASH FLOOD WARNING WILL EXPIRE AT MIDNIGHT CDT TONIGHT FOR
CENTRAL BOONE COUNTY...
The heavy rain has ended, but water may linger over roadways. Please
continue to heed remaining road closures. A flood advisory remains
in effect.
A Flood Watch remains in effect until 400 AM CDT for portions of
central, east central, and northeast Missouri.
&&
LAT...LON 3883 9243 3906 9244 3905 9213 3903 9214
3902 9213 3890 9217 3888 9215 3887 9216
3887 9215 3885 9215 3885 9214 3883 9215
3881 9214 3880 9216 3874 9218 3873 9219
3874 9238 3878 9240 3879 9238 3881 9238
$$
DeliaThe office that day
Everything else NWS St. Louis, MO issued on the same UTC day.
| Issued | Product | Office | Counties | Lasted |
|---|---|---|---|---|
| Jun 3, 7:12 PM CDT | Severe Thunderstorm Warning | LSX | Callaway, Montgomery, Warren | 48 min |
| Jun 3, 8:35 PM CDT | Areal Flood Advisory | LSX | Boone, Cole, Moniteau | 4 hr |
| Jun 3, 9:02 PM CDT | Severe Thunderstorm Warning | LSX | Cole, Moniteau | 43 min |
| Jun 3, 9:24 PM CDT | Severe Thunderstorm Warning | LSX | Boone, Callaway, Cole, Osage | 51 min |
| Jun 3, 9:32 PM CDT | Areal Flood Advisory | LSX | Audrain, Callaway, Lincoln, Montgomery, Pike, Ralls and 1 more | 3 hr |
| Jun 3, 10:29 PM CDT | River Flood Warning | LSX | Boone | 8 hr |
| Jun 4, 12:14 AM CDT | Areal Flood Advisory | LSX | Boone | 6 hr |
| Jun 4, 9:42 AM CDT | River Flood Warning | LSX | Lincoln | 29 hr |
| Jun 4, 1:59 PM CDT | River Flood Warning | LSX | Cole | 38 hr |
| Jun 4, 2:47 PM CDT | Areal Flood Advisory | LSX | Saint Charles, Saint Louis | 11 min |
| Jun 4, 2:50 PM CDT | Tornado Warning | LSX | Saint Charles, Saint Louis, City of Saint Louis | 40 min |
| Jun 4, 2:58 PM CDT | Flash Flood Warning | LSX | Saint Charles, Saint Louis | 92 min |
| Jun 4, 3:13 PM CDT | Tornado Warning | LSX | Saint Charles, Saint Louis | 38 min |
| Jun 4, 3:22 PM CDT | Areal Flood Advisory | LSX | Franklin, Jefferson, Saint Louis | 113 min |
| Jun 4, 3:53 PM CDT | Areal Flood Advisory | LSX | Saint Louis, City of Saint Louis | 97 min |
| Jun 4, 4:12 PM CDT | Flash Flood Warning | LSX | Crawford, Washington | 2 hr |
| Jun 4, 5:46 PM CDT | Areal Flood Advisory | LSX | Saint Louis, City of Saint Louis | 3 hr |
| Jun 4, 6:15 PM CDT | Areal Flood Advisory | LSX | Franklin, Jefferson | 3 hr |
| Jun 4, 6:19 PM CDT | Areal Flood Advisory | LSX | Crawford, Washington | 2 hr |
Nearby
Flash Flood Warnings in Missouri, 2025Every flash flood warning in 2025
Sources
The product and its follow-ups from the Iowa Environmental Mesonet's archive of National Weather Service and Storm Prediction Center text; the sounding from the Mesonet's radiosonde archive; radar from the NEXRAD Level II archive.