237
FOUS11 KWBC 140649
QPFHSD
PROBABILISTIC HEAVY SNOW AND ICING DISCUSSION
NWS WEATHER PREDICTION CENTER COLLEGE PARK MD
249 AM EDT WED OCT 14 2026
VALID 12Z WED OCT 14 2026 - 12Z SAT OCT 17 2026
..CENTRAL ROCKIES
DAYS 1-2...
THE MID-LEVEL LOW NEAR THE FOUR CORNERS WILL MOVE INTO COLORADO
LATER THIS AFTERNOON AND WEAKEN AS IT REACHES THE CENTRAL PLAINS BY
THURSDAY. THIS SYSTEM WILL BRING HIGHER ELEVATION SNOW TO PORTIONS
OF UT/CO/WY OVER THE NEXT 36HRS, ENDING FROM WEST TO EAST OVER
UTAH TONIGHT AND LASTLY OVER THE CO ROCKIES TOMORROW EVENING. SNOW
LEVELS AHEAD OF THE SYSTEM ARE HIGH (8000-10,000FT), BUT WILL
GRADUALLY LOWER AS THE UPPER LOW MOVES OVERHEAD TO ABOUT
6500-9000FT FROM UT TO CO. ANY SIGNIFICANT SNOWFALL ACCUMULATIONS
ARE EXPECTED TO REMAIN IN THE ELEVATED TERRAIN, THOUGH THIS DOES
INCLUDE HIGH PASSES LIKE I-70/EISENHOWER TUNNEL AT JUST OVER
11,000FT AND VAIL PASS AT 10,666FT. WPC PROBABILITIES FOR AT LEAST
AN ADDITIONAL 8 INCHES OF SNOW ARE >50% ABOVE 10,000FT IN UT AND
CO. SOME LIGHTER ACCUMULATIONS COULD FALL AS LOW AS 6000 OR 7000
FEET AS THE UPPER LOW MOVES OVERHEAD IN SOUTHEAST WY EARLY
THURSDAY. THE HIGHEST ADDITIONAL AMOUNTS WILL BE IN THE SAN JUAN
MOUNTAINS OF SOUTHWEST CO AND ALSO ACROSS THE MEDICINE BOW AND
MOSQUITO RANGE WHERE OVER A FOOT IS POSSIBLE.
FOR DAYS 1-3, THE PROBABILITY OF SIGNIFICANT ICING ACROSS THE
CONUS IS LESS THAN 10 PERCENT.
FRACASSO/SNELL
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