textproduct: Grand Junction

This forecast discussion was created in the public domain by the National Weather Service. It can be found in its original form here.

KEY MESSAGES

- Dry conditions and warm temperatures continue through Thursday. Look for a few higher gusts each afternoon.

- High temperatures will remain 5 to 10 degrees above more usual seasonal values.

- The next chance for precipitation will be this weekend as moisture starts to stream up from the south.

DISCUSSION

Issued at 1132 AM MDT Wed Sep 9 2026

WARM AND DRY CONDITIONS:

High pressure that has been centered over the central US is getting nudged back west by shortwave activity across the northern tier. This will result in dry westerly flow for the next few days. It will also cause temperatures to range from 5-10 degrees above normal.

Some deeper mixing will bring some gusty winds to the surface today and tomorrow while humidities hover around 10 to 15%. However, the gusty winds will be marginal at best. So despite these values being close to critical fire weather thresholds, only localized critical fire weather conditions are expected mainly for the Four Corners region.

POTENTIAL MOISTURE INCREASE:

As far as our next moisture push, models continue to highlight PWATs reaching upwards of 150% of normal for the Friday afternoon onwards. This remains dependent on the evolution and track of an area of low pressure/trough in the PacNW and the resultant moisture advection thanks to a more southerly wind flow. As of now there is fair model agreement that this system stays to our north, but it may drive a front into the region. Attm that front seems weak and diffuse by the time it reaches us. If it manages to interact with the moisture in place, we could see some showers and storms. Time will tell, however, so keep an eye on the latest forecast if you have any big weekend plans.

AVIATION /18Z TAFS THROUGH 18Z THURSDAY/

Issued at 1136 AM MDT Wed Sep 9 2026

VFR conditions are forecast through the TAF period. Afternoon winds be out of the west/northwest this afternoon. Gusts up to to 25 knots are likely at most terminals, especially in southwest Colorado. Expect light diurnal winds tonight.

GJT WATCHES/WARNINGS/ADVISORIES

CO...None. UT...None.

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