Today | Weather | Tuesday, June 9, 2026
Active Weather Warnings

Weather in Grand Junction, Colorado

05:55 PM
Now
Cloudy Weather
88° F
Feels Like 86°
Precipitation 17 %
Wind 17 mph
UV Index (0 - 11+) 2
Humidity 8 %
Today
Partly Sunny with Showers
Day 91°
Night 61°
Precipitation 49 %
Wind 16 mph
UV Index (0 - 11+) 11

Warning: Extreme UV Index Today: 11+

Overexposure to the sun's harmful UV rays can cause sunburn and increase the risk of developing skin cancer, including melanoma. Protect yourself by wearing clothing that covers your skin, sunglasses, and a hat. Apply a broad-spectrum sunscreen with an SPF of 30 or higher every two hours, even on cloudy days. Minimize direct sun exposure during peak hours (10 AM to 4 PM) to reduce the risk.

Grand Junction Weather Forecast Updated

Last updated on

Air Quality in Grand Junction

NOW
43 AQI
Good air quality Dominant pollutant: O3

Pollutant Concentrations:

PM2.5 1.57 µg/m³
PM10 5.2 µg/m³
O3 0.046 ppm
NO2 0.1 ppb
SO2 0.1 ppb
CO 0.06 ppm
NH3 0.36 µg/m³
NO 0.04 µg/m³
PM2.5 – Fine particles <2.5μm
PM10 – Inhalable particles <10μm
O3 – Ozone
NO2 – Nitrogen dioxide
SO2 – Sulfur dioxide
CO – Carbon monoxide
NH3 – Ammonia
NO – Nitric oxide

Health Recommendations:

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

Show raw pollutant concentrations (µg/m³)
PM2.51.57 µg/m³
PM105.2 µg/m³
O390.62 µg/m³
NO20.19 µg/m³
SO20.17 µg/m³
CO73.56 µg/m³
NH30.36 µg/m³
NO0.04 µg/m³

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, 4:54 PM Source: NWS Alert