Frosty mornings in Sammamish Frosty weather coated the Big Rock Park meadow off of Southeast Eighth Court Saturday morning. By Megan Campbell • November 22, 2015 7:25 pm Frosty weather coated the Big Rock Park meadow off of Southeast Eighth Court Saturday morning. This chilly weather followed a strong wind and rain storm earlier in the week. Frosty weather coated the Big Rock Park meadow off of Southeast Eighth Court Saturday morning. This chilly weather followed a strong wind and rain storm earlier in the week.