Regional Weather Synopsis
Issued by NWS Grand Junction, CO

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NZUS99 KGJT 240920
SYNGJT

FOR EASTERN UTAH AND WESTERN COLORADO, HERE IS THE LATEST WEATHER
SYNOPSIS.

HIGH PRESSURE OVER THE FORECAST AREA, WILL DOMINATE THE WEATHER OF
THE REGION THRU THURSDAY, WITH MOSTLY DRY CONDITIONS AND ABOVE
SEASONAL TEMPERATURES.

BY THURSDAY AFTERNOON, AS THE HIGH PRESSURE MOVES EAST AND A LOW
PRESSURE STORM SYSTEM MOVES INLAND FROM OFF THE WEST COAST, MOISTURE
WILL BEGIN TO SLOWLY FILTER INTO THE SOUTHERN PORTION OF THE
FORECAST AREA FROM THE SOUTH. ISOLATED SHOWERS AND STORMS WILL
DEVELOP OVER THE SOUTHERN MOUNTAINS THURSDAY AFTERNOON, SPREADING
INTO THE CENTRAL MOUNTAINS BY FRIDAY AS MOISTURE MOVE NORTHWARD.

A BETTER CHANCE OF SHOWERS AND THUNDERSTORMS IS EXPECTED ACROSS THE
FORECAST AREA FOR THE WEEKEND, AS THE WEST COAST LOW PRESSURE SYSTEM
IMPACTS THE REGION.



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