WXSIM Forecast for: Lethbridge Issued by: West Lethbridge Weather

Updated: Tuesday, 17-Mar-2026 10:00 pm

Rest of tonight Mostly Cloudy Wednesday Mostly Cloudy Wednesday night Partly Cloudy Thursday Mostly Cloudy Thursday night Partly Cloudy Friday Partly Cloudy Friday night Partly Cloudy Saturday Chance rain Saturday night Snow Sunday Mostly Sunny 2 mm. 2 mm. 1 cm. Low: 6° High: 17° Low: 6° High: 19° Low: 3° High: 18° Low: 3° High: 4° Low: -5° High: 8°                     SW 22-34 km/h Fresh breeze SW 22-41→32-46 km/h Strong breeze SW 29-45 km/h Strong breeze WSW 33-48 km/h Strong breeze WSW 27-46→19-30 km/h Strong breeze WSW 16-36→32-50 km/h Strong breeze W 32-48→23-43 km/h Strong breeze N 17-33 km/h Fresh breeze NNE→SE 8-28→3 km/h Moderate breeze SW 8-26→19-35 km/h Fresh breeze UV: 3  Medium  UV: 4  Medium  UV: 4  Medium  UV: 3  Medium

Rest of tonight	Mostly cloudy. Breezy. Low 6°. Wind southwest around 22 km/h, gusting to 34 km/h.
Wednesday	Mostly cloudy to cloudy in the morning, becoming partly to mostly cloudy in the afternoon. Windy and mild. High 17°. UV index up to 3. Wind southwest around 22 km/h, gusting to 41 km/h, in the morning, becoming 32 km/h, gusting to 46 km/h, in the afternoon.
Wednesday night	Partly to mostly cloudy in the evening, becoming partly cloudy after midnight. Windy. Low 6°. Wind southwest around 29 km/h, gusting to 45 km/h.
Thursday	Partly to mostly cloudy. Windy and mild. High 19°. UV index up to 4. Wind west-southwest around 33 km/h, gusting to 48 km/h.
Thursday night	Partly cloudy. Breezy. Low 3°. Wind west-southwest around 27 km/h, gusting to 46 km/h, in the evening, becoming 19 km/h, gusting to 30 km/h, after midnight.
Friday	Partly cloudy. Breezy and mild. High 18°. UV index up to 4. Wind west-southwest around 16 km/h, gusting to 36 km/h, in the morning, becoming 32 km/h, gusting to 50 km/h, in the afternoon.
Friday night	Fair to partly cloudy in the evening, becoming partly to mostly cloudy after midnight. Windy. Low 3°. Wind west around 32 km/h, gusting to 48 km/h, in the evening, becoming 23 km/h, gusting to 43 km/h, after midnight.
Saturday	Cloudy in the morning, becoming dense overcast in the afternoon. A slight chance of a mix of sleet, rain, and snow in the morning, then a chance of snow in the afternoon. High 4°, but temperatures falling in the afternoon. Wind north around 17 km/h, gusting to 33 km/h. Chance of precipitation 40 percent. Precipitation (liquid equivalent) mostly around 2 mm. Little or no snow or ice (on ground) accumulation expected.
Saturday night	Cloudy in the evening, becoming mostly cloudy after midnight. A chance of snow in the evening, then a slight chance of snow after midnight. Low -5°. Wind north-northeast around 8 km/h, gusting to 28 km/h, in the evening, becoming southeast around 3 km/h after midnight. Chance of precipitation 40 percent. Precipitation (liquid equivalent) mostly around 2 mm. Snow accumulation about a cm.
Sunday	Partly to mostly sunny. High 8°. UV index up to 3. Wind southwest around 8 km/h, gusting to 26 km/h, in the morning, becoming 19 km/h, gusting to 35 km/h, in the afternoon.
Sunday night	Fair. Breezy. Low -4°. Wind chill ranging from -8 to 3. Wind southwest around 21 km/h, gusting to 34 km/h, in the evening, becoming 15 km/h, gusting to 27 km/h, after midnight.
Monday	Cloudy. High 4°. UV index up to 2. Wind north around 10 km/h, gusting to 27 km/h, in the morning, becoming east-northeast in the afternoon.
Monday night	Dense overcast in the evening, becoming mostly cloudy to cloudy after midnight. Low 0°. Wind chill ranging from -5 to 1. Wind east-southeast around 14 km/h, gusting to 29 km/h, in the evening, becoming 20 km/h, gusting to 33 km/h, after midnight.

WXSIM forecast formatting script by Saratoga-Weather.org.