Quote Originally Posted by Slider6977
Yes, check your Generals traits at any time. If you have marched him for a couple turns straight, he will have the Forced Marching trait, which limits movement by 10%. Also, a general can be in Under the Wheather, which restricts movement even more. Mostly likely you are just experiencing season restrictions. Just because it is summer does not mean movement will not be restricted. As it says under a General's traits, if it is summer, movement restrictions will occur in arid regions.
The "Under the Wheather" trait can get worse though I think.

If you don't let them rest a bit it'll change to "Tired" then "Exhausted" and finally "On His Deathbed"

The first time I noticed the "On His Deathbed" trait I was like WTF??