449  
FPCN15 CWWG 232133  
FORECASTS FOR SOUTHERN ALBERTA AND THE MOUNTAIN PARKS ISSUED BY  
ENVIRONMENT CANADA AT 4:00 P.M. MDT TUESDAY 23 MAY 2017 FOR TONIGHT  
WEDNESDAY AND WEDNESDAY NIGHT.  
THE NEXT SCHEDULED FORECAST WILL BE ISSUED AT 5:00 A.M. MDT  
WEDNESDAY.  
 
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MAJOR REFERENCE ELEVATIONS:  
BANFF: 1384 METRES.  
HWY 93 - BOW SUMMIT: 2068 METRES.  
JASPER: 1061 METRES.  
HWY 93 - SUNWAPTA PASS: 2034 METRES.  
CANMORE: 1350 METRES.  
HWY 40 - HIGHWOOD PASS: 2206 METRES.  
PINCHER CREEK: 1030 METRES.  
WATERTON: 1280 METRES.  
CROWSNEST PASS: 1300 METRES.  
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CITY OF CALGARY.  
TONIGHT..A FEW CLOUDS. WIND SOUTHWEST 20 KM/H GUSTING TO 40. LOW 10.  
WEDNESDAY..INCREASING CLOUDINESS. RAIN BEGINNING IN THE MORNING.  
AMOUNT 5 TO 10 MM. WIND WEST 20 KM/H GUSTING TO 40 BECOMING  
NORTHWEST 40 GUSTING TO 60 IN THE MORNING THEN INCREASING TO 60  
GUSTING TO 80 LATE IN THE AFTERNOON. HIGH 12.  
WEDNESDAY NIGHT..RAIN ENDING OVERNIGHT THEN PARTLY CLOUDY. AMOUNT 5  
TO 10 MM. WIND NORTHWEST 60 KM/H GUSTING TO 80. LOW 7.  
 
OKOTOKS - HIGH RIVER - CLARESHOLM.  
TONIGHT..PARTLY CLOUDY. CLEARING THIS EVENING. WIND SOUTHWEST 20 KM/H  
GUSTING TO 40. LOW 10.  
WEDNESDAY..INCREASING CLOUDINESS. RAIN BEGINNING IN THE MORNING.  
AMOUNT 5 MM. WIND SOUTHWEST 20 KM/H GUSTING TO 40 BECOMING NORTHWEST  
40 GUSTING TO 70 NEAR NOON. HIGH 12.  
WEDNESDAY NIGHT..RAIN ENDING OVERNIGHT THEN PARTLY CLOUDY. AMOUNT 5  
TO 10 MM. WIND NORTHWEST 40 KM/H GUSTING TO 70. LOW 7.  
 
AIRDRIE - COCHRANE - OLDS - SUNDRE.  
WIND WARNING IN EFFECT.  
TONIGHT..PARTLY CLOUDY. WIND WEST 20 KM/H GUSTING TO 40. LOW 7.  
WEDNESDAY..CLOUDY. RAIN BEGINNING IN THE MORNING. AMOUNT 10 TO 20 MM.  
WIND WEST 30 KM/H GUSTING TO 60 BECOMING NORTHWEST 70 GUSTING TO 90  
IN THE AFTERNOON. HIGH 9.  
WEDNESDAY NIGHT..RAIN ENDING NEAR MIDNIGHT THEN CLOUDY. AMOUNT 5 TO  
10 MM. WIND NORTHWEST 70 KM/H GUSTING TO 90 DIMINISHING TO 50  
GUSTING TO 70 IN THE EVENING. LOW PLUS 5.  
 
DRUMHELLER - THREE HILLS.  
WIND WARNING IN EFFECT.  
TONIGHT..PARTLY CLOUDY. WIND SOUTHWEST 20 KM/H GUSTING TO 40 BECOMING  
LIGHT THIS EVENING. LOW 13.  
WEDNESDAY..CLOUDY. RAIN BEGINNING IN THE MORNING. RISK OF A  
THUNDERSTORM IN THE AFTERNOON. AMOUNT 5 TO 10 MM. WIND NORTHWEST  
30 KM/H GUSTING TO 50 INCREASING TO 70 GUSTING TO 90 IN THE  
AFTERNOON. HIGH 15.  
WEDNESDAY NIGHT..RAIN. RISK OF A THUNDERSTORM IN THE EVENING. AMOUNT  
15 TO 25 MM. WIND NORTHWEST 70 KM/H GUSTING TO 90 BECOMING NORTH 50  
GUSTING TO 70 NEAR MIDNIGHT. LOW 9.  
 
BROOKS - STRATHMORE - VULCAN.  
WIND WARNING IN EFFECT.  
TONIGHT..A FEW CLOUDS. WIND SOUTHWEST 20 KM/H GUSTING TO 40 BECOMING  
LIGHT THIS EVENING. WIND BECOMING SOUTHWEST 20 NEAR MIDNIGHT.  
LOW 14.  
WEDNESDAY..INCREASING CLOUDINESS. PERIODS OF RAIN BEGINNING IN THE  
MORNING. AMOUNT 5 TO 10 MM. WIND SOUTHWEST 20 KM/H BECOMING  
NORTHWEST 40 GUSTING TO 60 IN THE MORNING THEN INCREASING TO 70  
GUSTING TO 90 IN THE AFTERNOON. HIGH 15.  
WEDNESDAY NIGHT..PERIODS OF RAIN. AMOUNT 10 TO 15 MM. WIND NORTHWEST  
70 KM/H GUSTING TO 90 DIMINISHING TO 30 GUSTING TO 50 NEAR MIDNIGHT.  
LOW 10.  
 
BANFF NATIONAL PARK.  
TONIGHT..A FEW CLOUDS. INCREASING CLOUDINESS NEAR MIDNIGHT THEN  
PERIODS OF RAIN. WIND WEST 20 KM/H GUSTING TO 40. LOW 6.  
WEDNESDAY..PERIODS OF RAIN. AMOUNT 5 TO 10 MM. SNOW LEVEL 1700 METRES  
RISING TO 2200 METRES IN THE AFTERNOON. WIND WEST 30 KM/H GUSTING TO  
60. HIGH 8.  
WEDNESDAY NIGHT..PERIODS OF RAIN. AMOUNT 5 TO 10 MM. WIND WEST  
30 KM/H GUSTING TO 60. LOW PLUS 4.  
 
KANANASKIS - CANMORE.  
TONIGHT..A FEW CLOUDS. WIND WEST 20 KM/H GUSTING TO 40. LOW 8.  
WEDNESDAY..INCREASING CLOUDINESS. PERIODS OF RAIN BEGINNING EARLY IN  
THE MORNING. AMOUNT 5 MM. SNOW LEVEL 1800 METRES RISING TO 2200  
METRES IN THE AFTERNOON. WIND WEST 20 KM/H GUSTING TO 40 INCREASING  
TO 40 GUSTING TO 60 IN THE MORNING. HIGH 10.  
WEDNESDAY NIGHT..PERIODS OF RAIN ENDING AFTER MIDNIGHT THEN CLOUDY  
WITH 60 PERCENT CHANCE OF SHOWERS. AMOUNT 5 TO 10 MM. SNOW LEVEL  
2200 METRES. LOW 6.  
 
JASPER NATIONAL PARK.  
TONIGHT..PARTLY CLOUDY. BECOMING CLOUDY NEAR MIDNIGHT THEN RAIN. SNOW  
OVER HIGHER TERRAIN OVERNIGHT. RAINFALL AMOUNT 5 TO 10 MM EXCEPT  
SNOWFALL AMOUNT 5 CM OVER SECTIONS OF THE ICEFIELDS PARKWAY HIGHWAY  
93. SNOW LEVEL LOWERING TO 1700 METRES OVERNIGHT. WIND SOUTHWEST  
20 KM/H BECOMING LIGHT NEAR MIDNIGHT. LOW PLUS 5.  
WEDNESDAY..RAIN. SNOW OVER HIGHER TERRAIN EARLY IN THE MORNING.  
RAINFALL AMOUNT 15 TO 25 MM EXCEPT SNOWFALL AMOUNT 2 CM OVER  
SECTIONS OF THE ICEFIELDS PARKWAY HIGHWAY 93. SNOW LEVEL 1700 METRES  
RISING TO 2100 METRES IN THE AFTERNOON. HIGH 10.  
WEDNESDAY NIGHT..RAIN. AMOUNT 5 TO 10 MM. LOW PLUS 4.  
 
NORDEGG - FORESTRY TRUNK ROAD HIGHWAY 734.  
TONIGHT..PARTLY CLOUDY. BECOMING CLOUDY AFTER MIDNIGHT THEN RAIN.  
AMOUNT 5 MM. WIND WEST 20 KM/H BECOMING LIGHT NEAR MIDNIGHT. LOW  
PLUS 5.  
WEDNESDAY..RAIN. AMOUNT 15 TO 25 MM. WIND BECOMING NORTHWEST 20 KM/H  
GUSTING TO 50 IN THE MORNING. HIGH 8.  
WEDNESDAY NIGHT..RAIN ENDING IN THE EVENING THEN CLOUDY WITH  
60 PERCENT CHANCE OF SHOWERS. AMOUNT 5 TO 10 MM. WIND NORTHWEST  
20 KM/H. LOW PLUS 4.  
 
ROCKY MOUNTAIN HOUSE - CAROLINE.  
TONIGHT..PARTLY CLOUDY. BECOMING CLOUDY BEFORE MORNING THEN RAIN.  
WIND WEST 20 KM/H GUSTING TO 40. LOW 8.  
WEDNESDAY..RAIN. AMOUNT 15 TO 25 MM. WIND NORTHWEST 30 KM/H GUSTING  
TO 50 INCREASING TO 60 GUSTING TO 80 EARLY IN THE AFTERNOON.  
HIGH 10.  
WEDNESDAY NIGHT..RAIN ENDING NEAR MIDNIGHT THEN PARTLY CLOUDY WITH  
30 PERCENT CHANCE OF SHOWERS. AMOUNT 5 TO 10 MM. WIND NORTHWEST  
60 KM/H GUSTING TO 80 DIMINISHING TO 40 GUSTING TO 60 THEN TO 20  
GUSTING TO 40 LATE IN THE EVENING. LOW PLUS 5.  
 
RED DEER - PONOKA - INNISFAIL - STETTLER.  
WIND WARNING IN EFFECT.  
TONIGHT..PARTLY CLOUDY. BECOMING CLOUDY OVERNIGHT. WIND SOUTHWEST  
20 KM/H GUSTING TO 40. LOW 9.  
WEDNESDAY..RAIN. RISK OF A THUNDERSTORM LATE IN THE AFTERNOON. AMOUNT  
15 TO 25 MM. WIND SOUTHWEST 20 KM/H GUSTING TO 40 BECOMING NORTHWEST  
30 GUSTING TO 60 IN THE MORNING THEN INCREASING TO 70 GUSTING TO 90  
IN THE AFTERNOON. HIGH 11.  
WEDNESDAY NIGHT..RAIN ENDING BEFORE MORNING THEN PARTLY CLOUDY. RISK  
OF A THUNDERSTORM EARLY IN THE EVENING. AMOUNT 10 TO 20 MM. WIND  
NORTHWEST 70 KM/H GUSTING TO 90 DIMINISHING TO 50 GUSTING TO 70 LATE  
IN THE EVENING. LOW 6.  
 
HANNA - CORONATION - OYEN.  
WIND WARNING IN EFFECT.  
TONIGHT..PARTLY CLOUDY. WIND SOUTHEAST 30 KM/H GUSTING TO 50 BECOMING  
LIGHT THIS EVENING. WIND BECOMING SOUTHWEST 30 GUSTING TO 50  
OVERNIGHT. LOW 11.  
WEDNESDAY..CLOUDY. PERIODS OF RAIN BEGINNING IN THE MORNING. RISK OF  
A THUNDERSTORM LATE IN THE AFTERNOON. AMOUNT 5 MM. WIND WEST 30 KM/H  
GUSTING TO 50 BECOMING NORTHWEST 70 GUSTING TO 90 LATE IN THE  
AFTERNOON. HIGH 14.  
WEDNESDAY NIGHT..RAIN. RISK OF A THUNDERSTORM EARLY IN THE EVENING.  
AMOUNT 10 TO 20 MM. WIND NORTHWEST 70 KM/H GUSTING TO 90 DIMINISHING  
TO 30 GUSTING TO 50 NEAR MIDNIGHT. LOW 7.  
 
MEDICINE HAT - BOW ISLAND - SUFFIELD.  
WIND WARNING IN EFFECT.  
TONIGHT..A FEW CLOUDS. WIND SOUTH 30 KM/H GUSTING TO 50. LOW 15.  
WEDNESDAY..INCREASING CLOUDINESS. PERIODS OF RAIN BEGINNING NEAR  
NOON. RISK OF A THUNDERSTORM LATE IN THE AFTERNOON. WIND SOUTHWEST  
40 KM/H GUSTING TO 60 BECOMING WEST 60 GUSTING TO 90 IN THE  
AFTERNOON. HIGH 17.  
WEDNESDAY NIGHT..PERIODS OF RAIN. RISK OF A THUNDERSTORM EARLY IN THE  
EVENING. AMOUNT 5 TO 10 MM. WIND WEST 60 KM/H GUSTING TO 90. LOW 10.  
 
CYPRESS HILLS PROVINCIAL PARK - FOREMOST.  
TONIGHT..PARTLY CLOUDY. CLEARING AFTER MIDNIGHT. WIND SOUTHWEST  
30 KM/H GUSTING TO 60. LOW 15.  
WEDNESDAY..SUNNY. INCREASING CLOUDINESS NEAR NOON. WIND SOUTHWEST  
30 KM/H GUSTING TO 60 BECOMING WEST 50 GUSTING TO 70 IN THE MORNING.  
HIGH 17. UV INDEX 6 OR HIGH.  
WEDNESDAY NIGHT..CLOUDY. PERIODS OF RAIN BEGINNING IN THE EVENING.  
AMOUNT 5 TO 10 MM. WIND WEST 50 KM/H GUSTING TO 70. LOW 10.  
 
LETHBRIDGE - TABER - MILK RIVER.  
TONIGHT..PARTLY CLOUDY. CLEARING AFTER MIDNIGHT. WIND SOUTHWEST  
30 KM/H GUSTING TO 60 BECOMING WEST 50 GUSTING TO 70 OVERNIGHT.  
LOW 14.  
WEDNESDAY..INCREASING CLOUDINESS IN THE MORNING. WIND WEST 50 KM/H  
GUSTING TO 70 INCREASING TO 70 GUSTING TO 90 IN THE MORNING.  
HIGH 16. UV INDEX 3 OR MODERATE.  
WEDNESDAY NIGHT..CLOUDY. PERIODS OF RAIN BEGINNING EARLY IN THE  
EVENING. AMOUNT 10 TO 20 MM. WIND WEST 70 KM/H GUSTING TO 90  
BECOMING NORTHWEST 40 GUSTING TO 60 IN THE EVENING. LOW 9.  
 
CARDSTON - FORT MACLEOD - MAGRATH.  
TONIGHT..PARTLY CLOUDY. CLEARING THIS EVENING. WIND WEST 30 KM/H  
GUSTING TO 60 INCREASING TO 50 GUSTING TO 70 OVERNIGHT. LOW 12.  
WEDNESDAY..INCREASING CLOUDINESS IN THE MORNING. WIND WEST 50 KM/H  
GUSTING TO 70 INCREASING TO 70 GUSTING TO 90 IN THE MORNING.  
HIGH 14. UV INDEX 4 OR MODERATE.  
WEDNESDAY NIGHT..CLOUDY. PERIODS OF RAIN BEGINNING EARLY IN THE  
EVENING. AMOUNT 10 TO 20 MM. WIND WEST 70 KM/H GUSTING TO 90  
BECOMING NORTHWEST 40 GUSTING TO 60 IN THE EVENING. LOW 8.  
 
CROWSNEST PASS - PINCHER CREEK - WATERTON LAKES NAT. PARK.  
TONIGHT..PARTLY CLOUDY. CLEARING THIS EVENING. WIND WEST 30 KM/H  
GUSTING TO 50 INCREASING TO 50 GUSTING TO 70 OVERNIGHT. LOW 10.  
WEDNESDAY..INCREASING CLOUDINESS IN THE MORNING. WIND WEST 50 KM/H  
GUSTING TO 70 INCREASING TO 70 GUSTING TO 90 IN THE MORNING.  
HIGH 14. UV INDEX 4 OR MODERATE.  
WEDNESDAY NIGHT..CLOUDY. PERIODS OF RAIN BEGINNING EARLY IN THE  
EVENING. AMOUNT 5 TO 10 MM. WIND WEST 70 KM/H GUSTING TO 90 BECOMING  
NORTHWEST 40 GUSTING TO 60 IN THE EVENING. LOW 7.  
 
END  
 
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