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Elev 463 ft, 38.61 °N, 90.2 °W

St. Louis, MO Severe Weather Alertstar_ratehome

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Personal Weather Station
Location: St. Louis, MO
Elevation: 463ft
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Active Weather Alerts

Flash Flood Warning
Issued: 12:58 PM Jul. 19, 2025 – National Weather Service
The National Weather Service in St Louis has issued a

* Flash Flood Warning for...
Clinton County in south central Illinois...
Southeastern Madison County in southwestern Illinois...
Northeastern Saint Clair County in southwestern Illinois...

* Until 1100 AM CDT.

* At 758 AM CDT, Doppler radar indicated thunderstorms producing
heavy rain across the warned area. Between 1 and 3 inches of rain
have fallen. Additional rainfall amounts of 1 to 2 inches are
possible in the warned area. Flash flooding is ongoing or expected
to begin shortly.

HAZARD...Flash flooding caused by thunderstorms.

SOURCE...Radar indicated.

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...
Breese, Lebanon, Carlyle, Trenton, Aviston, St. Rose, Germantown,
Beckemeyer, Jamestown, Boulder, Shattuc, Hoffman, Summerfield,
Keyesport, Huey, Stolletown and Ferrin.

This includes the following State Parks...
Carlyle Lake Recreational Area.

PRECAUTIONARY/PREPAREDNESS ACTIONS...

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

&&


FLASH FLOOD...RADAR INDICATED

Extreme Heat Warning
Issued: 7:56 AM Jul. 19, 2025 – National Weather Service
...EXTREME HEAT WARNING NOW IN EFFECT FROM NOON TODAY TO 7 PM CDT
THURSDAY...

* WHAT...Dangerously hot conditions with afternoon heat index values
up to 110 expected for several consecutive days, and morning low
temperatures in the mid to upper 70s.

* WHERE...Portions of southwest Illinois and central, east central,
and southeast Missouri.

* WHEN...From noon today to 7 PM CDT Thursday.

* IMPACTS...Heat related illnesses increase significantly during
extreme heat and high humidity events.

* ADDITIONAL DETAILS...The long duration of this event is likely to
worsen heat related impacts, and additional extensions may be
needed beyond Thursday as forecast confidence increases.

PRECAUTIONARY/PREPAREDNESS ACTIONS...

Drink plenty of fluids, stay in an air-conditioned room, stay out of
the sun, and check up on relatives and neighbors. Young children and
pets should never be left unattended in vehicles under any
circumstances. Take extra precautions if you work or spend time
outside. When possible reschedule strenuous activities to early
morning or evening. Know the signs and symptoms of heat exhaustion
and heat stroke. Wear lightweight and loose fitting clothing when
possible. To reduce risk during outdoor work, the Occupational
Safety and Health Administration recommends scheduling frequent rest
breaks in shaded or air conditioned environments. Anyone overcome by
heat should be moved to a cool and shaded location. Heat stroke is
an emergency! Call 9 1 1.

&&

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