The turn arrives tonight. Ice this morning, snow by evening across Alberta.

Alberta — Highway 2 (QEII)

QEII: mostly ice this morning — snow begins tonight at both ends

The 5:08 a.m. MDT corridor read shows Highway 2 mostly ice, lowest minus 8 degrees along the Alberta network, with winds to 11 km/h on the QEII. At 5:00 a.m. Edmonton Blatchford read minus 0.1 degrees with a southwest wind at 4 km/h, and Calgary International read minus 0.9 degrees with a north wind at 2 km/h. No Environment Canada warnings are in force as of the 5:08 a.m. check. Environment Canada calls for cloud in Edmonton today with flurries late this afternoon, then snow beginning this evening, amount 2 cm, low minus 2 with wind chill minus 8 overnight. Calgary gets periods of rain beginning this afternoon, changing to periods of snow this evening, low minus 2 with wind chill minus 7 overnight.

Source: Environment Canada (Edmonton + Calgary direct) + Weather Navigation road report (presenting 511 Alberta data)

Alberta — Highway 16 (Yellowhead)

Yellowhead: mostly ice — Jasper snow begins this afternoon, 5 cm tonight

The 5:08 a.m. MDT corridor read shows Highway 16 mostly ice, lowest minus 6 degrees, with winds to 13 km/h. At 5:00 a.m. Jasper Warden Station read minus 2.9 degrees with an east wind at 4 km/h. Environment Canada's Jasper forecast calls for cloud today with snow beginning this afternoon, local amount 2 to 4 cm, high zero, then snow tonight, amount 5 cm, low minus 4 with wind chill minus 9 overnight. Wednesday brings more snow at Jasper, local amount 2 cm, with the temperature falling to minus 7 in the afternoon and wind chill near minus 10. No closures or restrictions were shown on the corridor read, and no Environment Canada warnings are in force as of the 5:08 a.m. check.

Source: Environment Canada (Jasper direct) + Weather Navigation road report (presenting 511 Alberta data) · Read next: Best tire chains for semi trucks in Canada

British Columbia — Highway 5 (Coquihalla)

Coquihalla open — two work zones to Oct 31, snow level falling

Highway 5 between Hope and Kamloops stayed open to through traffic overnight with no incidents reported, checked at 4:00 a.m. PDT. Two work zones remain in effect until Oct 31, and winter conditions are reported at the summit. Drive times are running slightly over typical — 1 hour 54 minutes southbound against a typical 1 hour 51 minutes, and 1 hour 58 minutes northbound against a typical 1 hour 51 minutes. At 4:00 a.m. PDT Merritt read 3.6 degrees with calm wind. Environment Canada's Merritt forecast calls for mainly cloudy conditions today with showers, snow level 1500 metres, high 9, and tonight cloudy with showers, snow level lowering to 1000 metres near midnight, low plus 2. M+S or 3-peak-mountain-snowflake tires are required on the route from Oct 1 to Apr 30. No chain-up requirement is posted.

Source: Is The Coquihalla Open (polling DriveBC's Open511 feed) + Environment Canada (Merritt direct) · Read next: Best tire chains for semi trucks in Canada

Ontario — Highway 401 (Windsor–Toronto–Kingston)

401: mainline open — two collector collisions in Toronto, frost gone for now

The 401 mainline is open through Toronto this morning. The live traffic read showed two 401 collector items in Toronto: a collision westbound at Allen Road with 2 right lanes closed, and a collision westbound at Victoria Park Avenue with 1 right lane and the right shoulder closed — both lane-level, not a mainline closure. A continuous-construction item at McCowan Road closes 1 right lane on the eastbound express. At 7:00 a.m. EDT Toronto Pearson read 3.0 degrees with a northeast wind at 9 km/h. Environment Canada's Toronto-area forecast calls for a mix of sun and cloud today, high 10, and tonight increasing cloudiness early in the evening, low plus 4. No Environment Canada alerts are shown for the corridor.

Source: routeoutlook.com (live traffic aggregator, presenting Ontario 511 data) + Environment Canada (Toronto-area)

Alberta + BC + Ontario — week ahead (Environment Canada forecasts)

Week ahead: Tuesday is the transition — Wednesday is snow across Alberta

Wednesday is the day to watch: Environment Canada calls for snow in Edmonton, amount 2 to 4 cm, temperature steady near minus 2, and periods of snow in Calgary, amount 2 cm, temperature steady near minus 2. Jasper gets snow Wednesday with the temperature falling to minus 7 in the afternoon. Merritt stays in showers Wednesday, high 6, with the night low falling to minus 3. Toronto, by contrast, clears Wednesday morning to a high of 15. Thursday turns colder in Alberta — Edmonton clearing to a low of minus 8, Calgary sunny with a low of minus 10 — before a sunny, near-zero weekend. The message for drivers staging loads: roll Tuesday before the evening snow, or plan Wednesday around it.

Source: Environment Canada (Edmonton + Calgary + Jasper + Merritt + Toronto-area direct) · Read next: Winter emergency gear for truck drivers

Bottom line for drivers

No corridor is closed and no warnings are in force, but the quiet break ends tonight: snow begins this evening in Edmonton, Calgary and Jasper, and Wednesday is snow across Alberta. Check 511 and Environment Canada before rolling, and plan the Wednesday run around the snow.

Deeper on winter itself: the winter gear hub — heat, freeze, traction, sleep — and the free Winter Cab Checklist.

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