Boulder Mountain - Posby Lake - Chinook Cove

5:03 p.m. PST Sunday 21 December 2025

Snowfall Warning in effect for:

• Coquihalla Highway - Hope to Merritt

Snowfall with total amounts of 10 to 20 cm is expected.

A period of heavy snowfall continues.

What:
Tonight: 10 to 20 cm

When:
A pair of low pressure systems will bring precipitation tonight and possibly Monday night.

Where:
Coquihalla Highway (Near Coquihalla Summit)

Additional information:
A low pressure system will move through the B.C. Interior tonight, with a weaker system moving through Monday night. Snowfall amounts tonight are expected to be 10-20 cm.

The snow is expected to taper off on Monday morning. Another period of light snow is expected to pass through Monday evening, however snowfall totals are expected to be less than the previous systems.

Visibility will likely be reduced at times.

Weather in the mountains can change suddenly resulting in hazardous driving conditions.

Prepare for quickly changing and deteriorating travel conditions. Prepare for possible disruptions to transportation, services, and utilities. The site https://shiftintowinter.ca/ reminds drivers to know before you go. Adjust to winter driving behaviour and use winter tires and chains.

Road conditions are available at https://www.drivebc.ca/.

Please continue to monitor alerts and forecasts issued by Environment Canada. To report severe weather, send an email to BCstorm@ec.gc.ca or post reports on X using #BCStorm.

For more information about the alerting program, please visit: https://www.canada.ca/en/services/environment/weather/severeweather/weather-alerts/colour-coded-alerts.

3:33 p.m. PST Sunday 21 December 2025

Snowfall Warning in effect for:

• Yellowhead Highway - Tête Jaune Cache to the Alberta Border

Snowfall with total amounts of 10 to 15 cm is expected.

When: Tonight.

Where:
- Yellowhead region
- Yellowhead Highway from Tête Jaune Cache to the Alberta Border

Additional information:
An arctic front brings bands of heavy flurries to the region tonight. Due to the convective nature of the precipitation, snowfall amounts will be highly variable across the region.

Areas affected by the bands of flurries could receive near 10 to 15 cm of snow in a short period of time. Heavy flurries will ease early Monday morning.

Roads and walkways will likely be difficult to navigate due to accumulating snow. Visibility will likely be reduced at times.

Weather in the mountains can change suddenly resulting in hazardous driving conditions.

Prepare for quickly changing and deteriorating travel conditions. The site https://shiftintowinter.ca/ reminds drivers to know before you go. Adjust to winter driving behaviour and use winter tires and chains.

Road conditions are available at https://www.drivebc.ca/.

Please continue to monitor alerts and forecasts issued by Environment Canada. To report severe weather, send an email to BCstorm@ec.gc.ca or post reports on X using #BCStorm.

For more information about the alerting program, please visit: https://www.canada.ca/en/services/environment/weather/severeweather/weather-alerts/colour-coded-alerts.