Wetaskiwin, Alberta residents can expect a crisp start to the work week as clear skies and light winds allow overnight temperatures to drop to zero with patchy frost on Sunday and Monday nights, according to Environment Canada. No weather alerts are currently in effect for the area.
Fog patches are developing overnight as the recent weather system, which brought smoke, humidity, and thunderstorm risk to central Alberta, moves out of the region. The clear and cool conditions are part of a broader pattern that has already prompted frost advisories for much of neighbouring Saskatchewan, where cities such as Regina, Saskatoon, Moose Jaw, and Prince Albert were under alerts on September 12.
Temperatures are forecast to hit zero with patchy frost for two consecutive nights to start the week. Daytime highs will then moderate: Tuesday is expected to reach 16°C under sunny skies, with clear nights and low of plus 1. Wednesday will see a high of 19°C and an overnight low of plus 3, while Thursday warms to 22°C with a clear night and low of plus 5.
This frost risk is not unusual for the region. The historical average first frost date for Wetaskiwin falls between September 11 and September 20, based on climate data from 1991 to 2020. According to the Alberta Climate Information Service, by September 20 the probability of experiencing a 0°C frost rises to more than 80% across Alberta, and that risk increases to over 95% by September 28.
Environment Canada advises residents to take preventative measures to protect cold-sensitive plants, trees, and crops, especially those in frost-prone areas. Current conditions observed at the Camrose weather station, the nearest Environment Canada station to Wetaskiwin, show a temperature of 13°C with a rising pressure of 101.3 kPa, 63% humidity, and northwest winds of 24 km/h gusting to 35 km/h as of 3:00 p.m. on Monday, September 14.
