NWS Indianapolis has issued a Winter Storm Watch for Monday and Tuesday. Note the use of the phrase "great deal of uncertainty".
URGENT - WINTER WEATHER MESSAGE
NATIONAL WEATHER SERVICE INDIANAPOLIS IN
349 PM EST SAT FEB 6 2010
...ANOTHER WINTER STORM POSSIBLE FOR CENTRAL INDIANA...
.A STRONG AREA OF LOW PRESSURE IS EXPECTED TO PUSH TOWARD CENTRAL
INDIANA ON MONDAY NIGHT AND PASS ACROSS CENTRAL INDIANA ON TUESDAY
THROUGH TUESDAY NIGHT.
AS THE LOW APPROACHES LATE MONDAY NIGHT...SNOW MAY DEVELOP AND
THEN CONTINUE THROUGH TUESDAY AND TUESDAY NIGHT. THREE TO SEVEN
INCHES OF SNOW APPEARS POSSIBLE AT THIS TIME.
BLOWING AND DRIFTING SNOW MAY ONCE AGAIN BE OF A CONCERN ON
TUESDAY NIGHT AND WEDNESDAY AS STRONG WIND GUSTS TO NEAR 35 MPH
WILL BE POSSIBLE WITH NEW SNOW ON THE GROUND.
THERE STILL REMAINS A GREAT DEAL OF UNCERTAINTY WITH TIMING AND SPECIFIC SNOWFALL AMOUNTS.
PEOPLE SHOULD STAY ALERT TO THE LATEST WEATHER FORECASTS AND
MONITOR WEATHER CONDITIONS. BE PREPARED TO TAKE ACTION IF A
WINTER WEATHER ADVISORY OR A WINTER STORM WARNING IS ISSUED IN THE
FUTURE.