WIDESPREAD WHITEOUT CONDITIONS HAVE BEEN REPORTED BY LOCAL SPOTTERS AND LAW ENFORCEMENT IN THE CASPER...MILLS AND EVANSVILLE AREAS THIS MORNING ALONG WITH 2 TO 3 INCH PER HOUR SNOW RATES. SNOW...HEAVY AT TIMES...WILL CONTINUE THROUGH THE EVENING BEFORE ENDING LATE TONIGHT. STRONG NORTH WIND OF 20 TO 30 MPH WITH GUSTS TO 40 MPH ARE EXPECTED TO CONTINUE THROUGH ABOUT MIDNIGHT TONIGHT. TOTAL SNOWFALL AMOUNTS OF 6 TO 12 INCHES ARE EXPECTED...WITH LOCALIZED AMOUNTS UP TO 15 INCHES IN SOUTH CASPER...NEAR CASPER MOUNTAIN. TRAVEL MAY BECOME QUITE DIFFICULT OR IMPOSSIBLE AS VISIBILITIES WILL BE REDUCED TO ZERO AT TIMES AND ROADS WILL BECOME SNOW PACKED AND ICY.
EIGHTEEN TO 24 INCHES OF SNOW IS EXPECTED ON CASPER MOUNTAIN WITH LOCALIZED AMOUNTS UP TO 30 INCHES. THE SNOW WILL BE ACCOMPANIED BY NORTH WINDS OF 20 TO 30 MPH WITH GUSTS TO 40 MPH WHICH WILL CAUSE WIDESPREAD BLOWING AND DRIFTING SNOW.
A BLIZZARD WARNING IS ISSUED WHEN SUSTAINED WIND SPEEDS OR FREQUENT GUSTS OF OVER 35 MPH ARE EXPECTED WITH CONSIDERABLE FALLING AND/OR BLOWING AND DRIFTING SNOW. VISIBILITIES WILL BECOME POOR...WITH WHITEOUT CONDITIONS AT TIMES.
THOSE VENTURING OUTDOORS MAY BECOME LOST OR DISORIENTED...SO PERSONS IN THE WARNING AREA ARE ADVISED TO STAY INDOORS.