FPCN48 CWAO 272000 ULTRAVIOLET (UV) INDEX FORECAST FOR CANADIAN CITIES ISSUED BY ENVIRONMENT CANADA AT 4:00 P.M. EDT SUNDAY 27 APRIL 2025 FOR SUNDAY AFTERNOON AND MONDAY. UV INDEX IS RELATED TO SKY CONDITIONS AND PRECIPITATIONS. UV INDEX WOULD BE HIGHER THAN STATED DURING SUNNY BREAKS OR IF WEATHER CONDITIONS IMPROVE. ALL TIMES ARE IN LOCAL TIME. SUNDAY LOCATION WEATHER FORECAST UV INDEX CATEGORY TIME ABOVE 3 WHITEHORSE A MIX OF SUN AND CLOUD 3 MODERATE 11 AM TO 4 PM VANCOUVER CHANCE OF SHOWERS 4 MODERATE 10 AM TO 3 PM VICTORIA MAINLY SUNNY 5 MODERATE 9 AM TO 4 PM KAMLOOPS A MIX OF SUN AND CLOUD 5 MODERATE 9 AM TO 4 PM NANAIMO MAINLY SUNNY 5 MODERATE 10 AM TO 4 PM PORT HARDY MAINLY SUNNY 5 MODERATE 10 AM TO 4 PM PRINCE RUPERT A MIX OF SUN AND CLOUD 5 MODERATE 10 AM TO 4 PM KELOWNA MAINLY SUNNY 5 MODERATE 9 AM TO 4 PM PRINCE GEORGE A MIX OF SUN AND CLOUD 4 MODERATE 10 AM TO 4 PM CRANBROOK CHANCE OF SHOWERS 5 MODERATE 10 AM TO 4 PM CASTLEGAR CHANCE OF SHOWERS 5 MODERATE 10 AM TO 4 PM MONDAY LOCATION WEATHER FORECAST UV INDEX CATEGORY TIME ABOVE 3 RESOLUTE MAINLY SUNNY 2 LOW NONE INUVIK A MIX OF SUN AND CLOUD 2 LOW NONE RANKIN INLET A MIX OF SUN AND CLOUD 3 MODERATE 10 AM TO 3 PM YELLOWKNIFE FLURRIES 2 LOW NONE WHITEHORSE PERIODS OF RAIN 1 LOW NONE VANCOUVER RAIN 3 MODERATE 9 AM TO 10 AM VICTORIA PERIODS OF RAIN 3 MODERATE 9 AM TO 10 AM KAMLOOPS CHANCE OF SHOWERS 4 MODERATE 9 AM TO 3 PM NANAIMO PERIODS OF RAIN 3 MODERATE 9 AM TO 10 AM PORT HARDY RAIN 1 LOW NONE PRINCE RUPERT RAIN 1 LOW NONE KELOWNA CHANCE OF SHOWERS 6 HIGH 9 AM TO 12 PM PRINCE GEORGE RAIN 1 LOW NONE CRANBROOK CLEARING 6 HIGH 10 AM TO 5 PM CASTLEGAR INCREASING CLOUDINESS 6 HIGH 10 AM TO 5 PM EDMONTON MAINLY SUNNY 5 MODERATE 10 AM TO 4 PM CALGARY CLEARING 5 MODERATE 10 AM TO 4 PM LETHBRIDGE SUNNY 6 HIGH 10 AM TO 4 PM RED DEER MAINLY SUNNY 5 MODERATE 10 AM TO 4 PM MEDICINE HAT SUNNY 5 MODERATE 10 AM TO 4 PM BANFF A MIX OF SUN AND CLOUD 5 MODERATE 10 AM TO 4 PM GRANDE PRAIRIE CHANCE OF SHOWERS 4 MODERATE 10 AM TO 4 PM SASKATOON SUNNY 5 MODERATE 10 AM TO 4 PM REGINA SUNNY 5 MODERATE 9 AM TO 4 PM YORKTON CLEARING 5 MODERATE 9 AM TO 3 PM THOMPSON CLEARING 3 MODERATE 11 AM TO 3 PM WINNIPEG CHANCE OF SHOWERS 4 MODERATE 10 AM TO 4 PM THUNDER BAY CHANCE OF SHOWERS 4 MODERATE 10 AM TO 12 PM SUDBURY CLEARING 6 HIGH 9 AM TO 4 PM WINDSOR SUNNY 8 VERY HIGH 9 AM TO 5 PM TORONTO MAINLY SUNNY 7 HIGH 9 AM TO 4 PM BARRIE SUNNY 7 HIGH 9 AM TO 4 PM LONDON SUNNY 7 HIGH 9 AM TO 5 PM OTTAWA SUNNY 6 HIGH 9 AM TO 4 PM KINGSTON SUNNY 7 HIGH 9 AM TO 4 PM MONTREAL SUNNY 6 HIGH 9 AM TO 4 PM SHERBROOKE SUNNY 6 HIGH 9 AM TO 4 PM QUEBEC SUNNY 6 HIGH 9 AM TO 4 PM STE-ADELE MAINLY SUNNY 6 HIGH 9 AM TO 4 PM FREDERICTON CLEARING 6 HIGH 10 AM TO 4 PM SAINT JOHN NB CLEARING 5 MODERATE 10 AM TO 4 PM SYDNEY CHANCE OF SHOWERS 3 MODERATE 10 AM TO 12 PM HALIFAX PERIODS OF RAIN 6 HIGH 11 AM TO 4 PM CHARLOTTETOWN PERIODS OF RAIN 4 MODERATE 12 PM TO 4 PM ST. JOHN'S NF RAIN OR DRIZZLE 1 LOW NONE GOOSE BAY CLEARING 4 MODERATE 10 AM TO 3 PM UV CATEGORIES UV INDEX RANGE (ROUNDED VALUES) EXTREME 11 OR HIGHER VERY HIGH 8 TO 10 HIGH 6 TO 7 MODERATE 3 TO 5 LOW 2 OR LESS FOR SUN PROTECTION TIPS YOU CAN VISIT ENVIRONMENT CANADA'S WEB SITE AT WWW.CANADA.CA/UV-INDEX.