There's a storm raging around Raging Heart, Sheila Weller's account of O.J. and Nicole Simpson's marriage-and the forecast looks good for sales. After reading the book (which went on sale Jan. 25, beating O.J.'s own tome by about two days), the prosecution in Simpson's murder trial identified onetime O.J. pal Ron Shipp as Weller's anonymous source, ''Leo,'' and questioned him about it on the stand. Portions of Raging have also been entered into evidence. Not surprisingly, the book is No. 5 on the list, and there are now 300,000 copies in print after four press runs. We know the whereabouts of some of those books: Judge Ito's office called the publisher requesting two. Weeks on Fiction List

1 The Celestine Prophecy James Redfield, Warner, $17.95 50 2 Politically Correct Bedtime Stories: Modern Tales For Our Life And Times James Finn Garner, Macmillan, $8.95 31 3 Kiss The Girls James Patterson, Little, Brown, $22.95 5 4 Original Sin P.D. James, Knopf, $24 3 5 Acceptable Risk Robin Cook, Putnam, $23.95 4 6 Self-Defense Jonathan Kellerman, Bantam, $22.95 6 7 Eyes of a Child Richard North Patterson, Knopf, $24 6 8 The Murderers W.E.B. Griffin, Putnam, $23.95 3 9 From Time To Time Jack Finney, Simon & Schuster, $23 2 10 The Bridges of Madison County Robert James Waller, Warner, $16.95 128

Nonfiction

1 I Want To Tell You O.J. Simpson, Little, Brown, $17.95 2 2 Men Are From Mars, Women Are From Venus / John Gray, Ph.D., HarperCollins, $23 97 3 The Hot Zone Richard Preston, Random House, $23 18 4 In The Kitchen With Rosie Rosie Daley, Knopf, $14.95 42 5 Raging Heart Sheila Weller, Pocket Books, $18 1 6 Doctor, What Should I Eat? Isadore Rosenfeld, M.D., Random House, $25 2 7 Crossing The Threshold Of Hope Pope John Paul II, Knopf, $20 15 8 Food Susan Powter, Simon & Schuster, $24 4 9 Illuminata Marianne Williamson, Random House, $20 7 10 Couplehood Paul Reiser, Bantam, $19.95 22 Mass-Market Paperbacks 1 Tom Clancy's Op-Center Tom Clancy and Steve Pieczenik, Berkley, $6.99 4 2 The Day After Tomorrow Allan Folsom, Warner, $6.99 4 3 Icebound Dean Koontz, Ballantine, $6.99 5 4 Family Blessings LaVyrle Spencer, Jove, $6.50 3 5 Accident Danielle Steel, Dell, $6.99 1 6 Fatal Cure Robin Cook, Berkley, $6.99 4 7 Lovers Judith Krantz, Bantam, $6.99 4 8 Disclosure Michael Crichton, Ballantine, $6.99 22 9 The Robber Bride Margaret Atwood, Bantam, $6.50 1 10 Prince Charming Julie Garwood, Pocket Books, $6.50 4