Extreme Heat Warning in Custer

Extreme Heat Warning issued July 26 at 12:59PM MDT until July 28 at 12:00AM MDT by NWS Billings MT

• Event Start: 2026-07-26T12:59:00-06:00
• Event End: 2026-07-28T00:00:00-06:00
• Event Certainty: Likely
• Event Severity: Severe

Event Description

• WHAT: Dangerously hot conditions with temperatures up to 102 occurring.
• WHERE: Carter, Custer, and Fallon.
• WHEN: Until midnight MDT Monday Night.
• IMPACTS: Hot temperatures may cause heat illnesses.

Event Instructions

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.