Spring officially started at about 4:30 this morning.
Temperatures will be on the cooler side of average for this first day of Spring.
Most of Central and North-Central Alberta will be in the 0 to -5 range for afternoon highs.

However, warmer air will push in over the next few days.
Temperatures should be back on the positive side of 0 by tomorrow and closer to 5 degrees by Wed/Thu.
Ahead of the milder air...there's a chance of some precipitation early Wednesday.
In the Edmonton area, that could be a rain/snow mix Wednesday morning.
Further north, there's a better chance of snow (possibly several cm).

Looking LONG Range
Daytime highs will climb into the 5-10 degree range for Friday & the weekend in the Capital Region

Here's the Edmonton forecast:

Today - Sunny with a few clouds.
High:  -1  

Tonight - A few clouds.
Evening: -8

Tuesday - Partly cloudy in the morning.  Increasing afternoon cloud.
Morning Low:  -11
Afternoon High:  2

Wednesday - Mostly cloudy.  30% chance of a rain/snow mix in the morning.
Morning Low:  -3
Afternoon High: 4

Thursday - Mix of sun & cloud.
Morning Low:  -7
Afternoon High:  4

Friday - Increasing cloud.
Morning Low:  -6
Afternoon High:  6

Saturday - Mix of sun & cloud.
Morning Low:  -2
Afternoon High:  7