High

US-550N closed · Road · San Juan County · 14m ago

Resolved Jul 13, 2026 at 12:00 AM. Kept for reference.

ModerateWeatherNWS Grand Junction

Heat Advisory

Mesa County · Started Jul 12, 2026 at 10:30 AM · Updated 20h ago

Mesa Countyarea

Jul 12, 2026, 10:30 AMeffective

Jul 13, 2026, 12:00 AMexpires

NWS Grand Junctionsource

Approximate affected area. Zone-based advisories do not include an exact boundary

Full advisory

WHAT

Dangerously hot conditions with afternoon temperatures as high as 98 to 102 expected.

WHERE

Central Colorado River Basin and Central Gunnison and Uncompahgre River Basin.

WHEN

Until midnight MDT tonight.

IMPACTS

Heat related illnesses increase significantly during extreme heat events.

Updates

2 · newest first

Jul 13, 2026, 6:16 PM
Alert resolved: Heat Advisory issued July 12 at 10:30AM MDT until July 13 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 98 to 102 expected.
WHERE
Central Colorado River Basin and Central Gunnison and Uncompahgre River Basin.
WHEN
Until midnight MDT tonight.
IMPACTS
Heat related illnesses increase significantly during extreme heat events.
Jul 13, 2026, 9:31 AM
Update for: Heat Advisory issued July 12 at 10:30AM MDT until July 13 at 12:00AM MDT by NWS Grand Junction CO
Updated information for this alert:
WHAT
Dangerously hot conditions with afternoon temperatures as high as 98 to 102 expected.
WHERE
Central Colorado River Basin and Central Gunnison and Uncompahgre River Basin.
WHEN
Until midnight MDT tonight.
IMPACTS
Heat related illnesses increase significantly during extreme heat events.
Severity: warning Expires: 2026-07-13 06:00:00

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