Alberta Weather October 21, 2026: Sunny Skies, 21°C in Medicine Hat and Frost Tonight

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ALBERTA RADIO MORNING FORECAST — WEDNESDAY, OCTOBER 21, 2026

Sunny, dry weather dominates Alberta on Wednesday, with afternoon highs from 11°C to 21°C. Medicine Hat is warmest at 21°C and Calgary reaches 19°C. No rain or snow is expected today in these ten city forecasts, and no Environment Canada weather alerts were reported for them at the time of this update.

CITY-BY-CITY ALBERTA WEATHER

Edmonton — Sunny, clear tonight. High 14°C, low -1°C, now 0°C.

Calgary — Sunny, a few clouds tonight. High 19°C, low 4°C, now 0°C.

Red Deer — Sunny. High 15°C, low -3°C, now -8°C. Wind chill -13 this morning and -7 overnight.

Medicine Hat — Sunny. High 21°C, low 4°C, now 9°C. Southwest winds 20 km/h gusting to 40, easing overnight.

Fort McMurray — Sunny. High 16°C, low 0°C, now 9°C. Southwest winds 20 km/h gusting to 40, easing this evening.

Grande Prairie — Mix of sun and cloud. High 12°C, low 1°C, now -1°C. Wind chill -8 this morning.

Banff — Sunny, a few clouds tonight. High 14°C, low 0°C, now -2°C. Wind chill -8 this morning.

Jasper — Sunny, a few clouds tonight. High 15°C, low -1°C, now -6°C. Wind chill -9 this morning.

Slave Lake — Mainly sunny. High 11°C, low -2°C, now -2°C. Wind chill -6 overnight.

Fort Vermilion — Mix of sun and cloud, partly cloudy tonight. High 15°C, low -1°C, now 2°C.

TONIGHT: FROST AND FREEZING TEMPERATURES

Red Deer drops to -3°C, Slave Lake to -2°C, and Edmonton, Jasper and Fort Vermilion to -1°C. Fort McMurray and Banff reach 0°C. Take precautions for frost and icy patches.

LOOKING AHEAD: RAIN AND POSSIBLE SNOW

Rain may move into most cities Thursday night, with rain or snow on Friday and windy conditions in Edmonton, Calgary and Red Deer. Check the latest official forecast as the system approaches.

Source: Environment and Climate Change Canada. This forecast reflects supplied morning information and is subject to change. Official updates: weather.gc.ca.

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