My '97 had very similar symptoms for a few weeks, then died completely. It was weather senstive.
Replaced plugs, ignition coil, distributor cap, rotor, distributor, (destroyed the distributor trying to remove the cap... stupid Chrysler screws) and the problem went away.
He that would make his own liberty secure, must guard even his enemy from oppression; for if he violates this duty, he establishes a precedent that will reach to himself. --Thomas Paine
We work together every damn day. --Jon Stewart
Any gas can be a knockout gas, when you wrap a steel cylinder around it and beat someone with it.
Low Output 4 Cylinder Jeep Club member #188