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Elev 597 ft, 39.03 °N, 88.85 °W

St. Elmo, IL Severe Weather Alertstar_ratehome

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Current Station
Personal Weather Station
Location: St. Elmo, IL
Elevation: 597ft
Nearby Weather Stations

Active Weather Alerts

River Flood Warning
Issued: 2:02 AM Jul. 22, 2025 – National Weather Service
...FLOOD WARNING NOW IN EFFECT UNTIL THURSDAY AFTERNOON...

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

* WHERE...Kaskaskia River at Vandalia.

* WHEN...Until Thursday afternoon.

* IMPACTS...At 23.0 feet, Agricultural levee begins to be slightly
overtopped.  No residences are affected at this level.

* ADDITIONAL DETAILS...
- At 8:30 PM CDT Monday the stage was 21.9 feet.
- Recent Activity...The maximum river stage in the 24 hours
ending at 8:30 PM CDT Monday was 21.9 feet.
- Forecast...The river is expected to rise to a crest of 23.4
feet early tomorrow afternoon. It will then fall below flood
stage late Wednesday morning.
- Flood stage is 18.0 feet.



&&


Fld   Observed  Forecasts (7:00 am)
Location         Stg    Stage    Wed   Thu   Fri   Sat   Sun

Kaskaskia River
Vandalia       18.0    21.9    19.7  9.3   4.7   5.0   5.8



&&



Extreme Heat Watch
Issued: 6:57 PM Jul. 21, 2025 – National Weather Service
...EXTREME HEAT WATCH REMAINS IN EFFECT FROM TUESDAY AFTERNOON
THROUGH THURSDAY EVENING...

* WHAT...Dangerously hot conditions with heat index values up to 108
possible.

* WHERE...Bond IL, Fayette IL, Marion IL, Montgomery IL, Greene IL,
Jersey IL, and Macoupin IL Counties.

* WHEN...From Tuesday afternoon through Thursday evening.

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

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.

&&

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