Cold Front Warm Front Weather can Last for a 2-3 Days 1 Cold and Warm Air Masses Collide Head to Head Warm Air Rises Rapidly Shorter Periods of Thunderstorms and High Winds are Likely 1 After Front Passes Temperatures have Dropped Air Pressure is Higher and Clear Skies Remain. Weather Lasts for Only a Few Hours; the Front is in a Hurry! Cold Front Weather can Last for a 2-3 Days Warm Air Mass Comes in from Behind Cool Air Mass Warm Air Rises Slowly Drizzly Overcast Skies are Likely After Front Passes Temperatures have Increased, Air Pressure is Lower, and Cloud Coverage is Likely. 1 Warm Front