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Elev 689 ft, 42.15 °N, 87.96 °W

Buffalo Grove, IL Severe Weather Alertstar_ratehome

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Current Station
Personal Weather Station
Location: Buffalo Grove, IL
Elevation: 689ft
Nearby Weather Stations

Active Weather Alerts

Extreme Heat Warning
Issued: 2:06 PM Jun. 30, 2026 – National Weather Service
...EXTREME HEAT WARNING REMAINS IN EFFECT UNTIL MIDNIGHT CDT /1 AM
EDT/ THURSDAY NIGHT...

* WHAT...Dangerously hot conditions with heat index values around
105 expected each afternoon.

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

* WHEN...Until midnight CDT /1 AM EDT/ Thursday Night.

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

* ADDITIONAL DETAILS...Dangerous heat is now expected to persist
through Thursday. Thunderstorms may begin to bring some relief
from the heat for portions of northern Illinois by Thursday
afternoon or evening.

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.

&&

Small Craft Advisory
Issued: 2:03 PM Jun. 30, 2026 – National Weather Service
...SMALL CRAFT ADVISORY REMAINS IN EFFECT FROM 1 PM THIS
AFTERNOON TO 9 PM CDT THIS EVENING...

* WHAT...Southwest winds to 25 kt expected.

* WHERE...Winthrop Harbor to Calumet Harbor IL, and Calumet
Harbor IL to Gary IN.

* WHEN...From 1 PM this afternoon to 9 PM CDT this evening.

* IMPACTS...Conditions will be hazardous to small craft.

PRECAUTIONARY/PREPAREDNESS ACTIONS...

Inexperienced mariners, especially those operating smaller
vessels, should avoid navigating in hazardous conditions.

&&

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