Alert archive / Missouri / Areal Flood Warnings in 2026

Areal Flood Warning 13, NWS St. Louis, MO

July 10, 20265 counties in Missouri

NWS St. Louis, MO issued this areal flood warning at Jul 10, 2026, 12:52 PM CDT for 5 counties in Missouri. It was in force for 3 hr. No storm report in the archive falls inside the area while it was in force.

The area

The counties it named.

The facts

Issued: Jul 10, 2026, 12:52 PM CDT (17:52 UTC)
Expired: Jul 10, 2026, 3:45 PM CDT
In force: 3 hr
Issued by: NWS St. Louis, MO
Area: Storm-based polygon
Flood severity: None

Counties Iron County, MO, Madison County, MO, Saint Francois County, MO, Sainte Genevieve County, MO, Washington County, MO

The radar

The St Louis radar (KLSX), 109 km from the middle of the area, began a volume at 17:58 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 12:00Z, 5.9 hours before the alert went out and 305 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.

Skew-T log-p

Temperature in red, dew point in green, the mixed-layer parcel dashed.

Hodograph

The wind turning with height, colored by layer: ground to 1 km, 1 to 3 km, 3 to 6 km, 6 to 10 km.

Mixed-layer CAPE: 439 J/kg
Mixed-layer CIN: -207 J/kg
Mixed-layer LCL: 1646 m above ground
0-6 km bulk shear: 13 kt
0-1 km storm-relative helicity: 193 m²/s²
0-3 km storm-relative helicity: 312 m²/s²
Significant tornado parameter: 0.0
Supercell composite: 0.0

Open this sounding in Storm Lab

What forecasters said that day

The local office's own words before this areal 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 areal flood warning went out at Jul 10, 12:23 PM CDT, 29 minutes earlier.

Area forecast discussion, Jul 10, 12:23 PM CDT, 29 minutes before

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In the hours before

Local storm report, Jul 10, 6:52 AM CDT, 6 hours before

Preliminary Local Storm Report
National Weather Service St Louis MO
652 AM CDT Fri Jul 10 2026

..TIME...   ...EVENT...      ...CITY LOCATION...     ...LAT.LON...
..DATE...   ....MAG....      ..COUNTY LOCATION..ST.. ...SOURCE....
            ..REMARKS..

0645 AM     Flash Flood      6 NE Oates              37.62N 90.97W
07/10/2026                   Iron               MO   Public

            Home underwater, abundant water over the
            roadway. Measured 12.25 inches of rain
            overnight nearby.

&&

BRC

Local storm report, Jul 10, 7:57 AM CDT, 4 hours 55 minutes before

Preliminary Local Storm Report
National Weather Service St Louis MO
757 AM CDT Fri Jul 10 2026

..TIME...   ...EVENT...      ...CITY LOCATION...     ...LAT.LON...
..DATE...   ....MAG....      ..COUNTY LOCATION..ST.. ...SOURCE....
            ..REMARKS..

0751 AM     Flash Flood      1 WNW Belgrade          37.79N 90.87W
07/10/2026                   Washington         MO   Law Enforcement

            Route C closed just west of Belgrade, MO due
            to flood waters.

&&

JPG

Local storm report, Jul 10, 8:09 AM CDT, 4 hours 43 minutes before

Preliminary Local Storm Report
National Weather Service St Louis MO
809 AM CDT Fri Jul 10 2026

..TIME...   ...EVENT...      ...CITY LOCATION...     ...LAT.LON...
..DATE...   ....MAG....      ..COUNTY LOCATION..ST.. ...SOURCE....
            ..REMARKS..

0550 AM     Flash Flood      4 WNW Saco              37.38N 90.52W
07/10/2026                   Madison            MO   Law Enforcement

            Route C near FF closed due to flood waters.

&&

JPG

The office that day

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

Issued	Product	Office	Counties	Lasted
Jul 9, 7:39 PM CDT	Severe Thunderstorm Warning	LSX	Cole, Moniteau	42 min
Jul 9, 7:48 PM CDT	Severe Thunderstorm Warning	LSX	Osage	42 min
Jul 9, 10:58 PM CDT	Areal Flood Advisory	LSX	Saint Francois	3 hr
Jul 9, 11:11 PM CDT	Areal Flood Advisory	LSX	Reynolds	36 min
Jul 9, 11:47 PM CDT	Flash Flood Warning	LSX	Iron, Reynolds	6 hr
Jul 10, 12:15 AM CDT	Areal Flood Advisory	LSX	Iron	92 min
Jul 10, 12:52 AM CDT	Flash Flood Warning	LSX	Iron	5 hr
Jul 10, 1:04 AM CDT	Areal Flood Advisory	LSX	Crawford	86 min
Jul 10, 1:41 AM CDT	Areal Flood Warning	LSX	Saint Francois	6 hr
Jul 10, 1:47 AM CDT	Flash Flood Warning	LSX	Iron	5 hr
Jul 10, 1:50 AM CDT	Areal Flood Advisory	LSX	Madison	21 min
Jul 10, 2:00 AM CDT	River Flood Warning	LSX	Reynolds	41 hr
Jul 10, 2:11 AM CDT	Flash Flood Warning	LSX	Madison	17 hr
Jul 10, 2:30 AM CDT	Flash Flood Warning	LSX	Crawford	15 hr
Jul 10, 4:16 AM CDT	Flash Flood Warning EmergencyCatastrophic damage threat	LSX	Iron, Reynolds	16 hr
Jul 10, 5:15 AM CDT	Flash Flood Warning	LSX	Washington	11 hr
Jul 10, 10:04 AM CDT	Flash Flood Warning	LSX	Madison, Saint Francois, Washington	3 hr
Jul 10, 10:06 AM CDT	Flash Flood Warning	LSX	Iron	9 hr
Jul 10, 11:35 AM CDT	River Flood Warning	LSX	Crawford	26 hr
Jul 10, 11:35 AM CDT	River Flood Warning	LSX	Crawford, Washington	44 hr
Jul 10, 3:51 PM CDT	Flash Flood Warning	LSX	Washington	107 min
Jul 10, 4:24 PM CDT	River Flood Warning	LSX	Osage	17 hr
Jul 10, 5:25 PM CDT	Areal Flood Warning	LSX	Crawford, Iron	20 hr
Jul 10, 5:38 PM CDT	Areal Flood Warning	LSX	Crawford, Iron, Washington	19 hr
Jul 10, 5:58 PM CDT	Severe Thunderstorm Warning	LSX	Boone, Moniteau	47 min
Jul 10, 6:31 PM CDT	Severe Thunderstorm Warning	LSX	Audrain, Callaway	52 min
Jul 10, 1:23 AM CDT	Areal Flood Advisory	LSX	Monroe	3 hr
Jul 10, 6:37 PM CDT	Severe Thunderstorm Warning	LSX	Randolph, Washington	38 min

Nearby

Areal Flood Warnings in Missouri, 2026 Every areal 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; the sounding from the Mesonet's radiosonde archive; radar from the NEXRAD Level II archive.