"'It'll be dark by the time we get out of the pass,' I said to Davies..."
"'Snow too,' He said. We didn't say anything more..."
"He was thick with the same feeling of mortality I had, I guess."
This passage implies that the storm will around the time the posse reaches their destination. This directly correlates the storm to the hanging of the three "rustlers."
to indicate that the
situation is growing
The spring feeling, warm
when it was still... was gone.
Even right out in the sun
it was pretty cold now." (pg. 41)
This piece of text describes the
weather after the people of
Bridger's Wells decide to form the
posse. This hints that something
grave is about to happen.
The sky... was coming on
to storm ... it was mostly shadow,
with gleams of sunlight
breaking through." (pg. 57)
This description comes right after
it becomes apparent that neither
Osgood nor Davies can convince the
posse to wait. The situation is
"... there was a storm coming on,
you could feel that
definately now." (pg. 97)
This description occurs right after
Tetley arrives. He is the catalyst
in the formation of the posse.