Severe Thunderstorm Warning 158, NWS Des Moines, IA

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Hazardous Weather Outlook
National Weather Service Des Moines IA
806 PM CDT Thu Jul 10 2025

IAZ004>007-015>017-023>028-081>086-092>097-120115-
Emmet-Kossuth-Winnebago-Worth-Palo Alto-Hancock-Cerro Gordo-
Pocahontas-Humboldt-Wright-Franklin-Butler-Bremer-Adams-Union-
Clarke-Lucas-Monroe-Wapello-Taylor-Ringgold-Decatur-Wayne-
Appanoose-Davis-
806 PM CDT Thu Jul 10 2025

This Hazardous Weather Outlook is for portions of central Iowa.

.DAY ONE...Tonight

Additional thunderstorms are expected tonight into the early overnight,
some of which may be severe, especially in portions of western to
central Iowa. Damaging winds in excess of 60-70 mph are the
primary severe threat, but a tornado or two is also possible.

Heavy rainfall is also expected with storms through the overnight which
could lead to ponding water and localized flash flooding,
especially in urban areas. Rises on area creeks and rivers is also
possible.

.DAYS TWO THROUGH SEVEN...Friday through Wednesday

Scattered storms persist much of Friday, becoming more widespread
in the afternoon through Saturday morning in the southeast. Severe
storms may develop in especially portions of southeast Iowa with
damaging winds the primary severe threat, but small hail and a
tornado or two are also possible.

In addition to severe storms, heavy rainfall will remain a threat
on Friday, especially in the south, that could lead to flash
flooding into Friday night along with additional rises on area
creeks and rivers and possible river flooding by the weekend.

.SPOTTER INFORMATION STATEMENT...

Spotters may be needed tonight and again on Friday. Rainfall
reports are also appreciated.

IAZ033>039-044>050-057>062-070>075-120115-
Sac-Calhoun-Webster-Hamilton-Hardin-Grundy-Black Hawk-Crawford-
Carroll-Greene-Boone-Story-Marshall-Tama-Audubon-Guthrie-Dallas-
Polk-Jasper-Poweshiek-Cass-Adair-Madison-Warren-Marion-Mahaska-
806 PM CDT Thu Jul 10 2025

This Hazardous Weather Outlook is for portions of central Iowa.

.DAY ONE...Tonight

Additional thunderstorms are expected tonight into the early overnight,
some of which may be severe, especially in portions of western to
central Iowa. Damaging winds in excess of 60-70 mph are the
primary severe threat, but a tornado or two is also possible.

Heavy rainfall is also expected with storms through the overnight which
could lead to ponding water and localized flash flooding,
especially in urban areas. Rises on area creeks and rivers is also
possible.

A Flood Watch for Flash Flooding is in effect for the area into
Friday morning. Please refer to the National Weather Service
website at weather.gov/desmoines for further details.

.DAYS TWO THROUGH SEVEN...Friday through Wednesday

Scattered storms persist much of Friday, becoming more widespread
in the afternoon through Saturday morning in the southeast. Severe
storms may develop in especially portions of southeast Iowa with
damaging winds the primary severe threat, but small hail and a
tornado or two are also possible.

In addition to severe storms, heavy rainfall will remain a threat
on Friday, especially in the south, that could lead to flash
flooding into Friday night along with additional rises on area
creeks and rivers and possible river flooding by the weekend.

.SPOTTER INFORMATION STATEMENT...

Spotters may be needed tonight and again on Friday. Rainfall
reports are also appreciated.

Preliminary Local Storm Report
National Weather Service Des Moines IA
1214 AM CDT Fri Jul 11 2025

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

1150 PM     Tstm Wnd Dmg     Guthrie Center          41.68N 94.50W
07/10/2025                   Guthrie            IA   Trained Spotter

            Large tree limb down.

&&

AB

Preliminary Local Storm Report
National Weather Service Des Moines IA
120 AM CDT Fri Jul 11 2025

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

0108 AM     Tstm Wnd Gst     3 E Saylorville         41.69N 93.57W
07/11/2025  M60 MPH          Polk               IA   AWOS

            52 knot gust Ankeny Airport.

&&

Preliminary Local Storm Report
National Weather Service Des Moines IA
128 AM CDT Fri Jul 11 2025

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

1249 AM     Tstm Wnd Gst     Des Moines Int Airport  41.53N 93.66W
07/11/2025  M74 MPH          Polk               IA   ASOS

            64 knot gust DSM Airport.

&&

Preliminary Local Storm Report
National Weather Service Des Moines IA
138 AM CDT Fri Jul 11 2025

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

1239 AM     Tstm Wnd Gst     3 SW Clive              41.58N 93.80W
07/11/2025  M70 MPH          Dallas             IA   Trained Spotter

            Two sustained gusts to 70 mph at 1237 and
            1240 am.

&&