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Elev 486 ft, 38.32 °N, 88.9 °W

Mount Vernon, IL Severe Weather Alertstar_ratehome

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Current Station
Personal Weather Station
Location: Mount Vernon, IL
Elevation: 486ft
Nearby Weather Stations

Active Weather Alerts

Heat Advisory
Issued: 7:17 AM Jul. 20, 2025 – National Weather Service
...HEAT ADVISORY REMAINS IN EFFECT FROM NOON CDT /1 PM EDT/ TODAY TO
8 PM CDT /9 PM EDT/ THIS EVENING...

* WHAT...Heat index values up to 108 expected.

* WHERE...Portions of southern Illinois, southwest Indiana, and
western Kentucky.

* WHEN...From noon CDT /1 PM EDT/ today to 8 PM CDT /9 PM EDT/ this
evening.

* IMPACTS...Hot temperatures and high humidity may cause heat
illnesses.

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.

Take extra precautions when outside. Wear lightweight and loose
fitting clothing. Try to limit strenuous activities to early morning
or evening. Take action when you see symptoms of heat exhaustion and
heat stroke.

&&

Flood Watch
Issued: 6:59 AM Jul. 20, 2025 – National Weather Service
...FLOOD WATCH IN EFFECT FROM THIS EVENING THROUGH MONDAY EVENING...

* WHAT...Flash flooding caused by excessive rainfall is possible.

* WHERE...For all of southwest Indiana and a portion of southern
Illinois, generally north of a Mt Vernon to Carmi line.

* WHEN...From this evening through Monday evening.

* IMPACTS...Excessive runoff may result in flooding of rivers,
creeks, streams, and other low-lying and flood-prone locations.
Area creeks and streams are running high and could flood with more
heavy rain.

* ADDITIONAL DETAILS...
- Showers and thunderstorms will increase over the region
tonight and Monday. The associated heavy rainfall could
quickly lead to flash flooding.
- http://www.weather.gov/safety/flood

PRECAUTIONARY/PREPAREDNESS ACTIONS...

You should monitor later forecasts and be prepared to take action
should Flash Flood Warnings be issued.

&&

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