Extreme Heat Warning for Southern Illinois, Southwest Indiana, Western Kentucky, Southeast Missouri

Source: NOAA · Southern Illinois, Southwest Indiana, Western Kentucky, Southeast Missouri

This alert is no longer in effect.

NOAA issued it on September 1, 2026, 3 days ago. Warnings of this kind stay in effect for hours to a few days, so this page is a historical record of what was issued, not a current warning. For conditions where you are right now, check weather.gov (US), weather.gc.ca (Canada), the Met Office (UK), or the Bureau of Meteorology (Australia).

Areazine synthesizes this NWS weather alert directly from NOAA's official public data feed. See our methodology for full source attribution and refresh cadence.

NWS Paducah KY has issued an Extreme Heat Warning until 8 PM CDT Saturday for dangerously hot conditions with heat index values up to 109 degrees.

Read this weather record in 30 seconds

Record type
Extreme Heat Warning
Affected area
Southern Illinois, Southwest Indiana, Western Kentucky, Southeast Missouri
Issued
September 1, 2026
Issuing authority
NWS Paducah KY

Heat notices are time-bound and location-specific. Confirm the current forecast and local public-health guidance before relying on this archived record.

Record status: historical. It was issued 3 days ago; use the issuing agency's live warning service for current conditions in Southern Illinois, Southwest Indiana, Western Kentucky, Southeast Missouri.

Alert Details

An Extreme Heat Warning has been issued by the National Weather Service Paducah KY. The alert is effective from September 1 at 11:46 AM CDT until September 5 at 8:00 PM CDT.

Affected Areas

All of southern Illinois, southwest Indiana, western Kentucky, and southeast Missouri.

What You Should Do

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. Stay cool, stay hydrated, stay informed.

Expected Conditions

Dangerously hot conditions with peak daily heat index values 103 to 109 degrees. Actual maximum air temperatures will range from 95 to 101 degrees daily. Heat index values hit triple digits every day and may top out up to 109 degrees. Actual air temperatures reach to near or even above 100 degrees multiple days in a row.

Timeline

The warning is in effect until 8 PM CDT /9 PM EDT/ Saturday, September 5. This week of extreme and dangerous heat shows no signs of abating.

Original source: NOAA Official Notice ↗

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Nationwide notices with similar length or severity timing 8

Two Areazine-derived peer sets for this NWS weather alert: nearest notices by body length and by same severity near the same agency date. Peers come from other categories so they are not the same-feed Related list above.

Frequently Asked Questions

Common questions about this NWS weather alert.

What is this NWS weather alert about?
NWS Paducah KY has issued an Extreme Heat Warning until 8 PM CDT Saturday for dangerously hot conditions with heat index values up to 109 degrees.
Which agency issued this alert?
This alert was issued by NOAA. The original notice is available at the source link at the bottom of this article.
How severe is this alert?
This alert is classified as "high" severity. Take precautions and monitor for updates.
What area is affected?
This alert affects Southern Illinois, Southwest Indiana, Western Kentucky, Southeast Missouri. Check with NOAA for the most current geographic scope.
Where can I find more Weather Alerts updates?
Browse the full Weather Alerts feed on Areazine at areazine.com/weather/ for the latest updates from NOAA and other agencies.