TIMELINE: Complex system could cause trouble for morning commute

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Fifty miles could mean the difference between rain or freezing rain and snow Thursday morning.

Winter weather advisory for part of area through Thursday afternoon

2 a.m.-5 a.m. 
-Showers moving back into the area from the southwest
-Temps in the upper 30s to low 40s, falling to 34 degrees Pittsburgh by 5 a.m. Butler will drop to near 32 degrees
-Ground temperatures should still be warm enough for any mix to melt

7 a.m.-10 a.m.
-Mix to rain for most areas
-Temps in the mid 30s, a few icy spots still possible

5 a.m. - 7 a.m.
-Mix continues north, possible mix northern Allegheny County
-Temps hover around 32 degrees north, a degree or two milder in Pittsburgh
-Roads could be icy Butler north, with reduced visibility possible

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