The National Weather Service has issued a number of winter weather watches and advisories across Wyoming for the latest storm to impact the region. This significant winter storm over the Great Basin will impact much of the area beginning Monday afternoon, with moderate to heavy snow possible through Tuesday morning. Strong northeast winds will likely cause areas of blowing and drifting snow, with areas of very limited visibility across portions of central and southern Wyoming, including Interstates 80, 90 and 25. White-out conditions and ground blizzards are expected along the I25 and I90 corridor starting Monday evening, moving south into eastern Sweetwater County and central portions of the I80 corridor Monday night. Details of the storms impact on Natrona County are as follows.

...WINTER STORM WARNING IN EFFECT FROM 3 PM THIS AFTERNOON TO
MIDNIGHT MST TUESDAY NIGHT...

THE NATIONAL WEATHER SERVICE IN RIVERTON HAS ISSUED A WINTER
STORM WARNING FOR HEAVY SNOW AND BLOWING SNOW...WHICH IS IN
EFFECT FROM 3 PM THIS AFTERNOON TO MIDNIGHT MST TUESDAY NIGHT. THE
WINTER STORM WATCH IS NO LONGER IN EFFECT.

* TIMING...A RAIN AND SNOW MIX THIS AFTERNOON WILL QUICKLY TURN TO
ALL SNOW AS A COLD FRONT RACES THROUGH LATE IN THE AFTERNOON. A
GUSTY NORTHERLY WIND AND PERIODS OF MODERATE TO HEAVY SNOW WILL
FOLLOW OVERNIGHT THROUGH SUNSET TUESDAY. LIGHTER SNOW WILL
OCCUR TUESDAY NIGHT.

* SNOWFALL...SNOWFALL OF 6 TO 10 INCHES WITH 12 TO 18 INCHES ON
CASPER MOUNTAIN.

* WIND AND VISIBILITY...NORTH WINDS 15 TO 25 MPH WITH GUSTS 30
TO 35 MPH ACROSS OPEN AREAS WILL CAUSE BLOWING AND DRIFTING
SNOW WITH VISIBILITY UNDER ONE HALF MILE AT TIMES.

* MAIN IMPACT...A LAYER OF ICE UNDERNEATH OCCASIONAL HEAVY
SNOW...ESPECIALLY MONDAY NIGHT...AND BLOWING AND DRIFTING OF
SNOW WILL IMPACT TRAVEL... ESPECIALLY ALONG INTERSTATE 25.

* OTHER IMPACTS...THOSE WITH OUTDOOR INTERESTS SHOULD ALSO
PREPARE FOR WINTER WEATHER CONDITIONS.

PRECAUTIONARY/PREPAREDNESS ACTIONS...

A WINTER STORM WARNING FOR HEAVY SNOW MEANS SEVERE WINTER WEATHER
CONDITIONS ARE EXPECTED OR OCCURRING. SIGNIFICANT AMOUNTS OF SNOW
ARE FORECAST THAT WILL MAKE TRAVEL DANGEROUS. ONLY TRAVEL IN AN
EMERGENCY. IF YOU MUST TRAVEL...KEEP AN EXTRA FLASHLIGHT...
FOOD...AND WATER IN YOUR VEHICLE IN CASE OF AN EMERGENCY.

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