THE NATIONAL WEATHER SERVICE IN RIVERTON HAS ISSUED A WINTER
STORM WARNING FOR SNOW AND BLOWING SNOW...WHICH IS IN EFFECT FROM
MIDNIGHT TONIGHT TO MIDNIGHT MST TUESDAY NIGHT.

* TIMING...SNOW AND STRONG WINDS WILL INCREASE THROUGH THE
  EVENING. AROUND MIDNIGHT MODERATE TO HEAVY SNOW WILL BECOME
  WIDESPREAD WITH STRONG WINDS GUSTING TO 55 MPH ON THE MOUNTAIN
  PASSES. SIGNIFICANT BLOWING AND DRIFTING SNOW WILL REDUCE
  VISIBILITY TO NEAR ZERO AT TIMES. THE SNOW AND WIND IS EXPECTED
  TO CONTINUE THROUGH TUESDAY EVENING THEN TAPER OFF AROUND
  MIDNIGHT.

* SNOWFALL...10 TO 20 INCHES OF SNOW IS EXPECTED IN THE TETON
  MOUNTAINS WITH 5 TO 10 INCHES IN JACKSON HOLE.

* WIND AND VISIBILITY...WEST WINDS OF 20 TO 30 MPH WITH GUSTS AS
  HIGH AS 55 MPH WILL CAUSE BLOWING AND DRIFTING SNOW WITH NEAR
  ZERO VISIBILITY AT TIMES.

* MAIN IMPACT...ROADS WILL BECOME SLICK AND SNOW PACKED AND LOW
  VISIBILITY WILL MAKE DRIVING DIFFICULT WITH NEAR ZERO
  VISIBILITY.

* OTHER IMPACTS...OUTDOOR ACTIVITY WILL BECOME VERY DIFFICULT
  WITH THE STRONG WIND INCREASING THE CHANCES FOR HYPOTHERMIA.