485  
WWCN15 CWWG 171952  
YELLOW WARNING - WINTER STORM  
FOR SOUTHERN ALBERTA  
UPDATED BY ENVIRONMENT CANADA  
AT 12:52 P.M. MST WEDNESDAY 17 DECEMBER 2025.  
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YELLOW LEVEL WARNING - WINTER STORM - FOR:  
=NEW= FOOTHILLS CO. NEAR BLACKIE  
=NEW= VULCAN CO. NEAR ARROWWOOD HERRONTON AND QUEENSTOWN  
=NEW= VULCAN CO. NEAR VULCAN AND ENSIGN  
=NEW= VULCAN CO. NEAR CARMANGAY AND CHAMPION  
=NEW= VULCAN CO. NEAR LOMOND TRAVERS AND LITTLE BOW RESERVOIRS  
=NEW= VULCAN CO. NEAR MILO  
=NEW= CO. OF NEWELL NEAR SCANDIA AND KINBROOK ISLAND PROV. PARK  
=NEW= M.D. OF TABER NEAR ENCHANT  
DRUMHELLER - THREE HILLS  
ROCKY VIEW CO. NEAR CHESTERMERE DALROY AND DALEMEAD  
WHEATLAND CO. NEAR STRATHMORE LYALTA AND CARSELAND  
WHEATLAND CO. NEAR STANDARD AND GLEICHEN  
SIKSIKA RES. 146  
WHEATLAND CO. NEAR HUSSAR  
CO. OF NEWELL NEAR BASSANO  
CO. OF NEWELL NEAR GEM  
CO. OF NEWELL NEAR BROOKS ROSEMARY AND DUCHESS  
S.A. 2 NEAR SUNNYNOOK  
S.A. 2 NEAR CESSFORD WARDLOW AND POLLOCKVILLE  
S.A. 3 NEAR BIG STONE CAPPON AND GOLD SPUR  
M.D. OF ACADIA INCLUDING ACADIA VALLEY  
CYPRESS CO. NEAR TIDE LAKE  
S.A. 2 NEAR IDDESLEIGH AND DINOSAUR PROV. PARK  
S.A. 2 NEAR JENNER AND ATLEE  
S.A. 2 NEAR BUFFALO AND CAVENDISH  
S.A. 2 NEAR BINDLOSS EMPRESS AND SOCIAL PLAINS  
CO. OF NEWELL NEAR PATRICIA  
CYPRESS CO. NEAR CFB SUFFIELD  
CYPRESS CO. NEAR BOWMANTON SCHULER AND HILDA  
CYPRESS CO. NEAR MCNEILL AND SANDY POINT DISTRICT PARK.  
 
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IMPACT LEVEL: MODERATE  
FORECAST CONFIDENCE: HIGH  
 
==DISCUSSION==  
 
HAZARDOUS WINTER CONDITIONS CONTINUE.  
 
ZERO VISIBILITY IN SNOW AND BLOWING SNOW, WITH WINDS GUSTING UP TO  
100 KM/H HAVE BEEN REPORTED EAST OF CALGARY. THESE CONDITIONS WILL  
MOVE EASTWARDS THROUGH THE AFTERNOON.  
 
FREEZING RAIN IS ALSO POSSIBLE EARLY THIS AFTERNOON TOWARDS  
SASKATCHEWAN.  
 
A SHARP DROP IN TEMPERATURE IS ALSO LIKELY TO OCCUR, AS MUCH AS 15  
DEGREES IN THREE HOURS. FOR AREAS BETWEEN HIGHWAY 9 AND HIGHWAY 1,  
ANY REMAINING SLUSH OR PONDING WATER IS LIKELY TO FREEZE AS  
TEMPERATURES DROP RAPIDLY THIS AFTERNOON AND EVENING.  
 
TRAVEL IS NOT RECOMMENDED.  
 
VISIBILITY WILL LIKELY BE SUDDENLY REDUCED TO NEAR ZERO AT TIMES.  
ROAD CLOSURES ARE POSSIBLE. PREPARE FOR QUICKLY CHANGING AND  
DETERIORATING TRAVEL CONDITIONS.  
 
PLEASE CONTINUE TO MONITOR ALERTS AND FORECASTS ISSUED BY  
ENVIRONMENT CANADA. TO REPORT SEVERE WEATHER, SEND AN EMAIL TO  
ABSTORM(AT)EC.GC.CA, CALL 1-800-239-0484 OR POST REPORTS ON X USING  
(HASH)ABSTORM.  
 
FOR MORE INFORMATION ABOUT THE ALERTING PROGRAM, PLEASE VISIT:  
HTTPS://WWW.CANADA.CA/EN/SERVICES/ENVIRONMENT/WEATHER/SEVEREWEATHER/WEATHER-ALERTS/COLOUR-CODED-ALERTS.  
 
HTTP://WEATHER.GC.CA  
 
END/PASPC  
 
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