There is a bootleg floating around in which Paul is playing this song to someone and 
yelling out the chords as he goes.  I simply listened to Paul and wrote down the chords!  
It's that easy!  Enjoy this song.  I love it.  :)

ERain (022100@1)in the forest
ERain (022100@1)on the trees
E (022100@1)             ARaining (x02220@1)down on me
C (x32010@1)                 ERainclouds (022100@1)hide the sun
C (x32010@1)                 ERainclouds (022100@1)hide the sun

EClouds (022100@1)in the valley
EClouds (022100@1)in the sky
E (022100@1)                     AClouds, (x02220@1)please, pass me by

D (xx0232@1)      G (320003@1)    D (xx0232@1)             GSail (320003@1)the ocean, sail across the sea
D (xx0232@1)    G (320003@1)     D (xx0232@1)    GSend (320003@1)a card to me
D (xx0232@1)          GWind's (320003@1)gonna blow
D (xx0232@1)        EmAnd (022000@1)if you go
C (x32010@1)               ALeave (x02220@1)the sun for me

ETalkin' (022100@1)'bout sun in the desert
ESun (022100@1)in my ears
E (022100@1)             ASun (x02220@1)dries up my tears
C (x32010@1)                 ERainclouds (022100@1)hide the sun
C (x32010@1)                 ERainclouds (022100@1)hide the sun

EE

- Solo -
AD (x02220@1)G D G
D G D G
D G D Em
C (x32010@1) A (x02220@1)ERain (022100@1)in the forest
ERain (022100@1)on the trees
E (022100@1)             ARaining (x02220@1)down on me
C (x32010@1)                 ERainclouds (022100@1)hide the sun, pretty woman, in the morning,
C (x32010@1)                 ERainclouds (022100@1)hide the sun

C (x32010@1)         ERain (022100@1)in the forest (rainclouds hide the sun)
C (x32010@1)         ERain (022100@1)on the trees (rainclouds hide the sun)
C (x32010@1)                   ERainclouds (022100@1)hide the sun