Storm, river rescue, night in cabin, rustlers...
That enough?
The Blue Roan by Harddaysknight
or
Wagons Ho! by Lazlong
https://storiesonline.net/s/44905:32942/wagons-ho-chapter-1
Both have romance, rustlers, and river rescue.
https://storiesonline.net/s/17033/the-blue-roan
Let's see if I can post this correctly this time!
Pity it was the Harddaysknight tale, though; that means it'll be even slushier than I remembered.
[reads to halfway down page 2... Yup! :)
[carries on reading anyway]
--
Thanks again.