top of page

Alberta Weather October 20, 2026: Sunny Tuesday, Overnight Frost and Rain Ahead

3 hours ago
2 min read

ALBERTA RADIO MORNING FORECAST — TUESDAY, OCTOBER 20, 2026

Tuesday brings sunny, dry weather across Alberta, with highs ranging from 8°C to 13°C. None of the ten city forecasts calls for rain or snow today, and no weather alerts were reported at the time of this forecast.

CITY-BY-CITY WEATHER FORECAST

Edmonton — Sunny, clear tonight. High 13°C, low 1°C, now 3°C.

Calgary — Sunny, clear tonight. High 12°C, low 0°C, now 2°C.

Red Deer — Sunny, clear tonight. High 12°C, low -3°C, now 0°C. Feels like -9°C overnight.

Medicine Hat — Mainly sunny. High 12°C, low 2°C, now 3°C.

Fort McMurray — Sunny. High 12°C, low 3°C, now 3°C. Southwest winds gusting to 40 km/h this afternoon.

Grande Prairie — Mainly sunny. High 12°C, low -2°C, now 0°C. Southwest gusts to 40 km/h this afternoon.

Banff — Sunny, clear tonight. High 12°C, low -3°C, now -2°C.

Jasper — Sunny, clear tonight. High 11°C, low -5°C, now 2°C. Feels like -9°C overnight.

Slave Lake — Mainly sunny. High 11°C, low -1°C, now 2°C.

Fort Vermilion — Mix of sun and cloud. High 8°C, low 2°C, now -1°C.

TONIGHT: FROST AND FREEZING TEMPERATURES

Jasper falls to -5°C, Red Deer and Banff to -3°C, Grande Prairie to -2°C and Slave Lake to -1°C. Calgary reaches 0°C. Overnight conditions may feel like -9°C in Red Deer and Jasper.

LOOKING AHEAD: LATE-WEEK RAIN AND SNOW

Rain is forecast to arrive for most cities Thursday night into Friday. Banff could see periods of snow Friday, while Fort McMurray and Slave Lake may see snow Saturday. Check for updates as the system approaches.

Source: Environment and Climate Change Canada (forecast information supplied for this morning). Weather conditions and warnings can change; consult weather.gc.ca for the latest official forecast.

Alberta Radio — Real People. Real Alberta. Listen at www.albertaradio.ca.

bottom of page