Paradise Inn, WA

...A CHANGE TO COLD AND WET WEATHER IS EXPECTED IN THE MOUNTAINS STARTING TUESDAY AND CONTINUING THROUGH MUCH OF THE UPCOMING WEEK...

A COLD WEATHER SYSTEM IN THE YUKON IS EXPECTED TO DROP RAPIDLY SOUTHWARD TONIGHT AND MOVE INTO THE PACIFIC NORTHWEST TUESDAY THROUGH THE UPCOMING WEEK. SNOW LEVELS IN THE MOUNTAINS ARE EXPECTED TO RAPIDLY DROP TO 4500 FEET TUESDAY AFTERNOON THEN DOWN TO 3500 FEET TUESDAY NIGHT AND WEDNESDAY. THE COLDER AND WET WEATHER WILL FOLLOW A DECEPTIVELY WARM...DRY AND SUNNY DAY TODAY.

ACCUMULATING SNOW SHOULD BE EXPECTED AT TIMES AT HIGH ELEVATIONS TUESDAY AFTERNOON THROUGH WEDNESDAY OR THURSDAY. THIS WOULD IMPACT HIGHWAY PASSES THAT HAVE ALREADY OPENED FOR THE SUMMER... INCLUDING RAINY PASS AND CHINOOK PASS. STEVENS AND WHITE PASSES COULD ALSO BE IMPACTED. THE IMPACT OF SNOWFALL ON SNOQUALMIE PASS IS EXPECTED TO BE SMALL.

HIKERS AND CLIMBERS VENTURING INTO THE MOUNTAINS WILL WANT TO BE PREPARED FOR A QUICK CHANGE TO COLD AND WET WEATHER ON TUESDAY...ESPECIALLY FOLLOWING A DECEPTIVELY WARM AND SUNNY MONDAY. FROM 4000 FEET AND UP...BE PREPARED FOR ACCUMULATING SNOW STARTING LATER TUESDAY AND CONTINUING THROUGH AT LEAST WEDNESDAY NIGHT. DRIVERS NEEDING TO CROSS OVER THE HIGHER CASCADE PASSES ON WEDNESDAY WILL WANT TO ALLOW EXTRA TIME FOR THE JOURNEY...OR CONSIDER USING A LOWER PASS...SUCH AS SNOQUALMIE PASS.

STAY TUNED FOR THE LATEST FORECASTS AND UPDATES EARLY THIS WEEK.