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Elev 587 ft, 38.44 °N, 91 °W

Union, MO Severe Weather Alertstar_ratehome

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Current Station
Personal Weather Station
Location: Union, MO
Elevation: 587ft
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Active Weather Alerts

Extreme Heat Warning
Issued: 6:37 AM Aug. 15, 2026 – National Weather Service
...EXTREME HEAT WARNING REMAINS IN EFFECT UNTIL 9 PM CDT SUNDAY...

* WHAT...Dangerously hot conditions with heat index values up to 111.

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

* WHEN...Until 9 PM CDT Sunday.

* 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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