Here are the backs of the cards.
The message to A.V. Stroud in Lowell, Washington reads:
Seattle WA, Nov. 18 '09
Well here I am in Seattle, got here 10 minutes past 9 o'clock. don't know just when the Portland train leaves but I think it is 1:15. I got off all right and there was a little Jap that works around the depot was out at the train + he carried both suitcases so I am fine. The sun I shining nice. I hope you get back all right. Myrtle
The second one is addressed to the same person, but it's harder to decipher.