A DEVELOPING PACIFIC STORM WILL MOVE OUT OF THE PACIFIC NORTHWEST AND INTO THE GREAT BASIN THURSDAY. ITS COLD FRONT IS PROJECTED TO MOVE THROUGH EASTERN UTAH AND WESTERN COLORADO THURSDAY AFTERNOON AND NIGHT. AHEAD OF THE FRONT...SOUTHWEST WINDS WILL INCREASE ACROSS THE REGION THURSDAY...WITH THE STRONGEST WINDS EXPECTED OVER NORTHEAST UTAH AND NORTHWEST AND CENTRAL COLORADO. FOLLOWING FRONTAL PASSAGE...WINDS WILL SHIFT ABRUPTLY TO THE NORTHWEST.
COOLER AIR WILL MOVE IN THURSDAY...AND MUCH COLDER AIR IS EXPECTED TO COOL TEMPERATURES TO AS MUCH AS 20 DEGREES BELOW NORMAL THURSDAY NIGHT...FRIDAY AND FRIDAY NIGHT. SNOW ACCUMULATION IS POSSIBLE IN ALL THE MOUNTAINS AS THIS STORM WILL BRING A MODERATE AMOUNT OF MOISTURE. BY FRIDAY MORNING THE SNOW LEVEL WILL DROP TO LESS THAN 6000 FEET OVER NORTHWEST COLORADO AND NORTHEAST UTAH...
AND 7500 FEET OVER THE SAN JUAN MOUNTAINS...SOUTHWEST COLORADO AND SOUTHEAST UTAH. SNOW ACCUMULATIONS ARE EXPECTED IN THE MOUNTAINS THAT MAY MAKE TRAVEL INTO THE HIGH COUNTRY DIFFICULT...
ESPECIALLY IN THE MOUNTAINS OF NORTHWEST AND CENTRAL COLORADO AND NORTHEAST UTAH.
ANYONE PLANNING OUTDOOR ACTIVITY LATE THIS WEEK SHOULD BE PREPARED FOR THIS SUDDEN CHANGE IN TEMPERATURES AND THE POSSIBILITY OF MOUNTAIN SNOW. MONITOR NOAA WEATHER RADIO OR VISIT OUR WEBSITE AT HTTP://WEATHER.GOV/GJT FOR THE LATEST INFORMATION ON THIS DEVELOPING STORM.