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NWS Grand Junction COFW.W 0041June 30, 2026

Red Flag Warning: Lower Colorado River, CO

The National Weather Service office in Grand Junction issued a red flag warning for Lower Colorado River in Colorado, which was in force until 8:00 p.m. local time on July 1. It was the 41st red flag warning the NWS office in Grand Junction issued in 2026. Colorado had 53 red flag warnings in June 2026, against 19 in an average June of 2008-2025 (Colorado's red flag warnings by year).

ExpiredWarning

Issued6:08 p.m. MDT, June 30, 2026
In force from12:00 p.m. MDT, July 1, 2026
Expired8:00 p.m. MDT, July 1, 2026

In force for 8 hours; it has expired. The agency may have replaced it with a new notice.

The notice

Issued by
National Weather Service, Grand Junction CO
Area
Lower Colorado River
State
Colorado
Level
Warning
Issued
6:08 p.m. MDT, June 30, 2026
In force from
12:00 p.m. MDT, July 1, 2026
Expires
8:00 p.m. MDT, July 1, 2026
CAP severity, certainty, urgency
Severe, Likely, Expected
VTEC event
KGJT FW.W 0041
Official source
National Weather Service: the notice at its source

Red Flag Warnings in Colorado since 2008Every warning type in Colorado

Source: National Weather Service: the notice at its source. AreaZine rebuilds this page from the agency's record; the agency's page is the one to act on. A U.S. Government work, in the public domain.

The notice as issued

The National Weather Service in Grand Junction has issued a Red Flag Warning below 8000 feet for gusty winds, low relative humidity and dry fuels, which is in effect from noon to 8 PM MDT Wednesday. * AFFECTED AREA...In Colorado, Fire Weather Zone 203 Lower Colorado River below 8000 feet. * TIMING...For the first Red Flag Warning, until 9 PM MDT this evening. For the second Red Flag Warning, from noon to 8 PM MDT Wednesday. * WINDS...Southwest 10 to 20 mph with gusts up to 35 mph. * RELATIVE HUMIDITY...6 to 11 percent. * IMPACTS...Fires will catch and spread quickly. Exercise extreme caution with any outdoor burning.

What the agency told people to do

A Red Flag Warning means that critical fire weather conditions are either occurring now, or will shortly. A combination of strong winds, low relative humidity, and warm temperatures can contribute to extreme fire behavior.

Source: National Weather Service: the notice at its source. The text is the agency's, unedited. A U.S. Government work, in the public domain.

The record around this notice