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