Weather underground trip plannerLearn how to use this site. You'll learn to love it.
It should give you travel times with construction areas flagged.
Check the boxes for WEATHER.
Move the departure times up or down and see how that changes driving time.
zoom in and DRAG the line from one road to the alternates and see if that gives you a better travel time.
Do a NY city to Cody WY and see what you get... then do a Porter, IN to Rockford, IL and see what you get.
It gives you current weather and current alerts.