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Elev 522 ft, 38.79 °N, 90.6 °W

St. Peters, MO Severe Weather Alertstar_ratehome

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Current Station
Personal Weather Station
Location: St. Peters, MO
Elevation: 522ft
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Active Weather Alerts

Extreme Heat Watch
Issued: 6:59 AM Jun. 27, 2026 – National Weather Service
...EXTREME HEAT WATCH IN EFFECT FROM SUNDAY AFTERNOON THROUGH
THURSDAY EVENING...

* WHAT...Dangerously hot conditions with heat index values of 105 to
110 possible.

* WHERE...In Illinois, Madison IL, Monroe IL, and Saint Clair IL
Counties. In Missouri, Jefferson MO, Saint Charles MO, Saint Louis
City MO, and Saint Louis MO Counties.

* WHEN...From Sunday 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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