AWCN11 CWWG 182028
WEATHER SUMMARY
FOR MANITOBA
ISSUED BY ENVIRONMENT CANADA
AT 2:28 P.M. CST THURSDAY 18 DECEMBER 2025.

DISCUSSION.

A VERY INTENSE ALBERTA CLIPPER SYSTEM BROUGHT STRONG WINDS, SNOW, 
FREEZING RAIN AND BLIZZARD CONDITIONS ACROSS SOUTHERN MANITOBA ON 
WEDNESDAY AFTERNOON THROUGH THURSDAY MORNING. NEAR-ZERO VISIBILITY 
IN BLOWING SNOW THAT LASTED 6 TO 10+ HOURS LED TO EXTREMELY 
HAZARDOUS TRAVEL CONDITIONS AND HIGHWAY CLOSURES, INCLUDING THE 
TRANS CANADA HIGHWAY AND THE PERIMETER HIGHWAY IN WINNIPEG. IN 
ADDITION, MANY SCHOOL DISTRICTS WERE CLOSED INCLUDING THE ENTIRETY 
OF WINNIPEG. THERE WERE ALSO NUMEROUS POWER OUTAGES ACROSS THE 
PROVINCE AS A RESULT. 

THE FOLLOWING SNOWFALL AMOUNTS (IN CENTIMETRES) WERE ALL RECORDED BY 
VOLUNTEER WEATHER OBSERVERS AS OF 9:30 AM CST. NOTE THAT STRONG 
WINDS MADE SNOWFALL MEASUREMENTS DIFFICULT AND AMOUNTS MAY VARY 
SIGNIFICANTLY: 

ARGYLE: 19 
PINAWA: 15 
VIRDEN: 10 
PORTAGE LA PRAIRIE: 10 
BOISSEVAIN: 9 
WHITESHELL: 9 
WINNIPEG: 8 

SUMMARY OF PEAK WIND GUSTS (MANITOBA AGRICULTURE STATIONS MARKED 
WITH AG) IN KILOMETRES PER HOUR AS OF 11 AM CST: 

ALTONA AG: 91 
EMERSON: 91 
RUTHENIA AG: 91 
GRETNA: 89 
LAKELAND AG: 89 
SOMERSET AG: 89 
WINNIPEG: 89 
DEERWOOD: 87 
MINNEDOSA AG: 87 
PORTAGE LA PRAIRIE: 81 
SHOAL LAKE: 81 
GIMLI: 81 
PILOT MOUND: 80 
SELKIRK AG: 80 
MORDEN: 78 
DAUPHIN: 76 
MELITA: 76 
BRANDON: 69

PLEASE NOTE THAT THIS SUMMARY MAY CONTAIN PRELIMINARY OR UNOFFICIAL 
INFORMATION AND DOES NOT CONSTITUTE A COMPLETE OR FINAL REPORT.

END/PASPC