Hourly Weather | Today Tuesday, June 9, 2026
Active Weather Warnings
Grand Junction, Colorado
8 PM
Cloudy Weather
86°
Feels Like 82°
2
Humidity: 11%
UV Index: 0
Wind: 12 mph
9 PM
Cloudy Night
82°
Feels Like 79°
2
Humidity: 13%
UV Index: 0
Wind: 8 mph
10 PM
Cloudy Night
79°
Feels Like 75°
2
Humidity: 16%
UV Index: 0
Wind: 8 mph
11 PM
Cloudy Night
75°
Feels Like 72°
2
Humidity: 20%
UV Index: 0
Wind: 7 mph

Hourly Air Quality Forecast - AQI (US EPA)

8 PM
44 AQI
Good air quality Dominant pollutant: O3
Details

Pollutant Concentrations:

  • PM2.5: 2.1 µg/m³
  • PM10: 7.61 µg/m³
  • O3: 0.047 ppm
  • NO2: 0.2 ppb
  • SO2: 0.1 ppb
  • CO: 0.07 ppm

Health Recommendations:

Air quality is considered satisfactory, and air pollution poses little or no risk.

9 PM
44 AQI
Good air quality Dominant pollutant: O3
Details

Pollutant Concentrations:

  • PM2.5: 2.58 µg/m³
  • PM10: 9.59 µg/m³
  • O3: 0.047 ppm
  • NO2: 0.2 ppb
  • SO2: 0.1 ppb
  • CO: 0.07 ppm

Health Recommendations:

Air quality is considered satisfactory, and air pollution poses little or no risk.

10 PM
42 AQI
Good air quality Dominant pollutant: O3
Details

Pollutant Concentrations:

  • PM2.5: 3.03 µg/m³
  • PM10: 10.94 µg/m³
  • O3: 0.046 ppm
  • NO2: 0.3 ppb
  • SO2: 0.1 ppb
  • CO: 0.07 ppm

Health Recommendations:

Air quality is considered satisfactory, and air pollution poses little or no risk.

11 PM
40 AQI
Good air quality Dominant pollutant: O3
Details

Pollutant Concentrations:

  • PM2.5: 3.38 µg/m³
  • PM10: 11.51 µg/m³
  • O3: 0.044 ppm
  • NO2: 0.4 ppb
  • SO2: 0.2 ppb
  • CO: 0.07 ppm

Health Recommendations:

Air quality is considered satisfactory, and air pollution poses little or no risk.

Weather Alerts and Warnings for Grand Junction

Severe Future Possible

Fire Weather Watch

Fire Weather Watch issued June 6 at 8:57PM MDT until June 9 at 10:00PM MDT by NWS Grand Junction CO
Jun 8, 10:00 AM Jun 9, 10:00 PM
...FIRE WEATHER WATCH REMAINS IN EFFECT FROM MONDAY MORNING
THROUGH TUESDAY EVENING FOR GUSTY WINDS, LOW RELATIVE HUMIDITY
AND DRY FUELS FOR FIRE WEATHER ZONE 203...

...RED FLAG WARNING WILL EXPIRE AT 9 PM MDT THIS EVENING FOR
GUSTY WINDS, LOW RELATIVE HUMIDITY AND DRY FUELS FOR FIRE WEATHER
ZONE 203 BELOW 8000 FEET...

* AFFECTED AREA...In Colorado, Fire Weather Zone 203 Lower
Colorado River below 8000 feet.

* TIMING...For the Red Flag Warning, from 10 AM to 10 PM MDT
Sunday. For the Fire Weather Watch, from Monday morning
through Tuesday evening.

* WINDS...South 15 to 25 mph with gusts up to 45 mph.

* RELATIVE HUMIDITY...6 to 11 percent.

IMPACTS: Fires will catch and spread quickly. Exercise
extreme caution with any outdoor burning.
+ Read More
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. A Fire Weather Watch means that critical fire weather conditions are forecast to occur. Listen for later forecasts and possible Red Flag Warnings.
Updated: Jun 7, 10:58 AM Source: NWS Alert
Severe Expected Likely

Red Flag Warning

Red Flag Warning issued June 9 at 11:07AM MDT until June 9 at 10:00PM MDT by NWS Grand Junction CO
Jun 9, 11:07 AM Jun 9, 10:00 PM
* AFFECTED AREA...In Colorado, Fire Weather Zone 203 Lower
Colorado River below 8000 feet.

* TIMING...For the first Red Flag Warning, until 10 PM MDT this
evening. For the second Red Flag Warning, from 10 AM to 10 PM
MDT Wednesday.

* WINDS...West 15 to 25 mph with gusts 35 to 50 mph.

* RELATIVE HUMIDITY...8 to 13 percent.

IMPACTS: Fires will catch and spread quickly. Exercise
extreme caution with any outdoor burning.
+ Read More
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.
Updated: Jun 9, 6:27 PM Source: NWS Alert