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National Weather Service

Live Weather Camera in Saint Louis, MO. Extreme heat warning

Extreme Heat Warning issued June 27 at 1:15PM CDT until July 3 at 12:00AM CDT by NWS St Louis MO

Severe Expected 3 cameras
Active Until
Jul 3, 2026 05:00 UTC
Certainty
Likely
Issued By
NWS St Louis MO
Area
Madison; St. Clair; Monroe; St. Charles; St. Louis; St. Louis City; Jefferson

Warning Area and Cameras

Polygon shows the NWS alert area. Markers show matched traffic cameras.

Alert Details

* WHAT...Dangerously hot conditions with heat index values up to around 110 expected. * WHERE...In Illinois, Madison IL, Monroe IL, and Saint Clair IL Counties. In Missouri, Jefferson MO, Saint Charles MO, Saint Louis City MO, and Saint Louis MO Counties. * WHEN...From noon Sunday to midnight CDT Thursday Night. * IMPACTS...Heat related illnesses increase significantly during extreme heat and high humidity events.

Recommended Action

Drink plenty of fluids, stay in an air-conditioned room, stay out of the sun, and check up on relatives and neighbors. Young children and pets should never be left unattended in vehicles under any circumstances. Take extra precautions if you work or spend time outside. When possible reschedule strenuous activities to early morning or evening. Know the signs and symptoms of heat exhaustion and heat stroke. Wear lightweight and loose fitting clothing when possible. To reduce risk during outdoor work, the Occupational Safety and Health Administration recommends scheduling frequent rest breaks in shaded or air conditioned environments. Anyone overcome by heat should be moved to a cool and shaded location. Heat stroke is an emergency! Call 9 1 1.

Cameras Affected by this Warning

3 matched traffic cameras.

I-44 WB @ I-55 Interchange

Saint Louis, MO
I-44

I-64 EB @ I-55 Interchange

Saint Louis, MO
I-64

I-70 WB @ I-170 Interchange

Saint Louis, MO
I-70