Extreme Heat Warning | Safety & Alerts

Full advisory

WHAT

Dangerously hot conditions with afternoon temperatures as high as 100 to 106 expected.

WHERE

In Colorado, Central Yampa River Basin, Lower Yampa River Basin, Debeque to Silt Corridor, and Grand Valley. In Utah, Arches/Grand Flat and Eastern Uinta Basin.

WHEN

Until midnight MDT Monday Night.

IMPACTS

Heat related illnesses increase significantly during extreme heat events.

Updates

2 · newest first

Jul 13, 2026, 6:16 PM
Alert resolved: Extreme Heat Warning issued July 12 at 10:30AM MDT until July 14 at 12:00AM MDT by NWS Grand Junction CO
This alert has been resolved or cancelled by the National Weather Service.
WHAT
Dangerously hot conditions with afternoon temperatures as high as 100 to 106 expected.
WHERE
In Colorado, Central Yampa River Basin, Lower Yampa River Basin, Debeque to Silt Corridor, and Grand Valley. In Utah, Arches/Grand Flat and Eastern Uinta Basin.
WHEN
Until midnight MDT Monday Night.
IMPACTS
Heat related illnesses increase significantly during extreme heat events.
Jul 13, 2026, 9:31 AM
Update for: Extreme Heat Warning issued July 12 at 10:30AM MDT until July 14 at 12:00AM MDT by NWS Grand Junction CO
Updated information for this alert:
WHAT
Dangerously hot conditions with afternoon temperatures as high as 100 to 106 expected.
WHERE
In Colorado, Central Yampa River Basin, Lower Yampa River Basin, Debeque to Silt Corridor, and Grand Valley. In Utah, Arches/Grand Flat and Eastern Uinta Basin.
WHEN
Until midnight MDT Monday Night.
IMPACTS
Heat related illnesses increase significantly during extreme heat events.
Severity: danger Expires: 2026-07-13 06:00:00

Advisory issued through the National Weather Service feed. For life-threatening emergencies call 911.