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Elev 666 ft, 41.46 °N, 89.67 °W

Manlius, IL Severe Weather Alertstar_ratehome

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Personal Weather Station
Location: Manlius, IL
Elevation: 666ft
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Active Weather Alerts

Extreme Heat Warning
Issued: 3:51 PM Jun. 29, 2026 – National Weather Service
...EXTREME HEAT WARNING REMAINS IN EFFECT UNTIL 10 PM CDT
WEDNESDAY...

* WHAT...Dangerously hot and humid conditions with multiple days of
heat index values of 100 to 110 expected, along with nighttime
lows not falling below the mid to upper 70s.

* WHERE...Portions of north central and northwest Illinois and east
central and northeast Iowa.

* WHEN...Until 10 PM CDT Wednesday.

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

* ADDITIONAL DETAILS...The extreme heat may persist through late
week, but thunderstorms and associated clouds may interrupt the
heat at times Thursday and Friday.

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.

Do not leave young children and pets in unattended vehicles. Car
interiors will reach lethal temperatures in a matter of minutes.

&&

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