Regional Weather Synopsis
Issued by NWS Grand Junction, CO

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NZUS99 KGJT 271018
SYNGJT

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

HIGH PRESSURE ONCE CENTERED TO OUR SOUTHEAST, HAS MOVED WESTWARD TO
SOUTHERN ARIZONA. THIS HAS SHUT OFF THE MOIST SOUTHERLY FLOW INTO
THE FORECAST AREA, WITH DRIER AIR NOW SLOWLY MOVING IN FROM THE WEST
NORTHWEST. DESPITE THE DRYING, RESIDUAL MOISTURE WILL BE ADEQUATE
FOR ISOLATED TO SCATTERED SHOWERS AND THUNDERSTORMS TO DEVELOP THIS
AFTERNOON. FEWER SHOWERS AND STORMS WILL OCCUR ON FRIDAY, BENEATH A
FAIRLY DRY AND STABLE AREA OF HIGH PRESSURE. UPPER LEVEL WINDS TURN
TO THE SOUTHWEST FOR THE WEEKEND. PATCHY MOISTURE IN THE FLOW WILL
RESULT IN A CHANCE OF SHOWERS AND STORMS ACROSS MAINLY THE SOUTHERN
FORECAST AREA HIGH COUNTRY. BELOW SEASONAL TEMPERATURES TODAY WILL
WARM TO AROUND SEASONAL BY FRIDAY, GENERALLY CONTINUING THROUGH THE
WEEKEND.



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