WXSIM Forecast for: Lethbridge Issued by: West Lethbridge Weather

Updated: Sunday, 15-Mar-2026 11:00 pm

Rest of tonight Cloudy Monday Mostly Cloudy Monday night Mostly Cloudy Tuesday Partly Cloudy Tuesday night Partly Cloudy Wednesday Partly Cloudy Wednesday night Partly Cloudy Thursday Partly Cloudy Thursday night Partly Cloudy Friday Mostly Cloudy <2 mm. Low: -4° High: 10° Low: 7° High: 18° Low: 4° High: 18° Low: 4° High: 20° Low: 11° High: 20°                     S 14-27 km/h Moderate breeze WSW 16-31→26-45 km/h Strong breeze WSW 37-51 km/h Near gale WSW 30-46→36-53 km/h Near gale WSW 26-45→21-32 km/h Strong breeze WSW 20-38→30-47 km/h Strong breeze WSW 20-40 km/h Strong breeze WSW 34-51 km/h Near gale WSW 35-48→40-53 km/h Near gale WSW 44-63 km/h Gale UV: 3  Medium  UV: 3  Medium  UV: 4  Medium  UV: 4  Medium  UV: 4  Medium

Rest of tonight	Cloudy. Low -4°. Wind chill as low as -9. Wind south around 14 km/h, gusting to 27 km/h.
Monday	Partly to mostly cloudy. Breezy. High 10°. UV index up to 3. Wind west-southwest around 16 km/h, gusting to 31 km/h, in the morning, becoming 26 km/h, gusting to 45 km/h, in the afternoon.
Monday night	Mostly cloudy to cloudy in the evening, becoming partly to mostly cloudy after midnight. A chance of rain. Windy. Low 7°. Wind west-southwest around 37 km/h, gusting to 51 km/h. Chance of precipitation 30 percent. Precipitation mostly less than 2 mm.
Tuesday	Partly to mostly cloudy in the morning, becoming partly cloudy in the afternoon. Windy and mild. High 18°. UV index up to 3. Wind west-southwest around 30 km/h, gusting to 46 km/h, in the morning, becoming 36 km/h, gusting to 53 km/h, in the afternoon.
Tuesday night	Partly cloudy in the evening, becoming partly to mostly cloudy after midnight. Breezy. Low 4°. Wind west-southwest around 26 km/h, gusting to 45 km/h, in the evening, becoming 21 km/h, gusting to 32 km/h, after midnight.
Wednesday	Mostly cloudy in the morning, becoming partly cloudy in the afternoon. Breezy and mild. High 18°. UV index up to 4. Wind west-southwest around 20 km/h, gusting to 38 km/h, in the morning, becoming 30 km/h, gusting to 47 km/h, in the afternoon.
Wednesday night	Partly cloudy. Breezy. Low 4°. Wind west-southwest around 20 km/h, gusting to 40 km/h.
Thursday	Partly to mostly cloudy in the morning, becoming partly cloudy in the afternoon. Windy and unusually mild. High 20°. UV index up to 4. Wind west-southwest around 34 km/h, gusting to 51 km/h.
Thursday night	Partly cloudy in the evening, becoming partly to mostly cloudy after midnight. Windy and relatively mild. Low 11°. Wind west-southwest around 35 km/h, gusting to 48 km/h, in the evening, becoming 40 km/h, gusting to 53 km/h, after midnight.
Friday	Partly to mostly cloudy in the morning, becoming partly to mostly sunny in the afternoon. Very windy and mild. High 20°. UV index up to 4. Wind west-southwest around 44 km/h, gusting to 63 km/h.
Friday night	Mostly cloudy to cloudy in the evening, becoming dense overcast after midnight. A mix of rain and snow likely. Scattered thunderstorms likely. Breezy. Low 0°. Wind west-northwest around 23 km/h, gusting to 50 km/h, in the evening, becoming north-northeast around 14 km/h, gusting to 30 km/h, after midnight. Chance of precipitation 60 percent. Precipitation (liquid equivalent) mostly around 5 mm. No snow accumulation expected.
Saturday	Dense overcast in the morning, becoming cloudy in the afternoon. A chance of snow. High 3°. Wind north-northeast around 16 km/h, gusting to 32 km/h, in the morning, becoming 7 km/h, gusting to 24 km/h, in the afternoon. Chance of precipitation 30 percent. Precipitation (liquid equivalent) mostly less than 2 mm. No snow accumulation expected.
Saturday night	Mostly cloudy in the evening, becoming clear after midnight. Low -4°. Wind chill ranging from -9 to 3. Wind south around 9 km/h, gusting to 26 km/h, in the evening, becoming 17 km/h, gusting to 28 km/h, after midnight.

WXSIM forecast formatting script by Saratoga-Weather.org.