Frost and snow reduce the attack of all units by 33% but increase their Camouflage by 1. Winter equipment removes the attack penalty.

During the night time, all units receive a 66% attack penalty and Spotting range is reduced by 50%, but no lower than 1.

Bad weather conditions reduce the attack of all units by 33% but increase their Camouflage by 1.

All roads are soaked beyond reason. They no longer function. It affects not only units, but also Supply trucks, breaking the Supply network. Only Supply points connected by Railroads can still function.