Environment Canada data presented here is representative of weather in those regions through which the highway passes.


Hope
Region: Fraser Valley - east including Hope

Issued: Sunday June 24, 2018 at 05:00 PDT

Today Mainly sunny. Becoming windy this afternoon. High 26. Humidex 27. UV index 9 or very high.
Tonight Cloudy. Rain at times heavy beginning late this evening. Risk of a thunderstorm late this evening and overnight. Windy this evening. Low 14.
Monday Showers. Risk of a thunderstorm early in the morning. High 18. UV index 3 or moderate.
Monday night Showers. Low 11.
Tuesday Cloudy with 60 percent chance of showers. High 18.
Tuesday night Cloudy. Low 11.
Wednesday Cloudy. High 19.
Wednesday night Cloudy with 40 percent chance of showers. Low 12.
Thursday Cloudy with 40 percent chance of showers. High 18.
Thursday night Cloudy with 40 percent chance of showers. Low 13.
Friday Cloudy with 60 percent chance of showers. High 20.
Friday night Cloudy with 40 percent chance of showers. Low 13.
Saturday Cloudy with 60 percent chance of showers. High 22.

Based on Environment Canada data

Highway 3 - Hope to Princeton via Allison Pass
Region:

Issued:

Based on Environment Canada data

Princeton
Region: Similkameen

Issued: Sunday June 24, 2018 at 05:00 PDT

Today Sunny. A mix of sun and cloud late this afternoon with 30 percent chance of showers. Risk of a thunderstorm late this afternoon. Wind becoming southwest 20 km/h this afternoon. High 29. UV index 10 or very high.
Tonight Cloudy. 30 percent chance of showers this evening. Rain beginning late this evening. Risk of a thunderstorm this evening and overnight. Amount 10 to 15 mm. Wind southwest 20 km/h becoming light this evening. Low 11.
Monday Cloudy with 30 percent chance of showers and risk of a thunderstorm. Wind becoming west 30 km/h gusting to 50 in the afternoon. High 16. UV index 5 or moderate.
Monday night Cloudy with 40 percent chance of showers. Low 7.
Tuesday Sunny. High 19.
Tuesday night Clear. Low plus 5.
Wednesday A mix of sun and cloud. High 21.
Wednesday night Cloudy with 40 percent chance of showers. Low 7.
Thursday Cloudy with 40 percent chance of showers. High 22.
Thursday night Cloudy with 30 percent chance of showers. Low 13.
Friday Cloudy with 30 percent chance of showers. High 21.
Friday night Cloudy with 30 percent chance of showers. Low 14.
Saturday Cloudy. High 24.

Based on Environment Canada data

Osoyoos
Region: South Okanagan - including Penticton

Issued: Sunday June 24, 2018 at 05:00 PDT

Today Sunny. A mix of sun and cloud late this afternoon with 30 percent chance of showers. Risk of a thunderstorm late this afternoon. Wind becoming south 30 km/h gusting to 50 late this morning. High 30. Humidex 32. UV index 10 or very high.
Tonight Partly cloudy with 30 percent chance of showers this evening and after midnight. Rain beginning after midnight. Risk of a thunderstorm this evening and overnight. Local amount 10 to 15 mm. Wind south 30 km/h gusting to 50 becoming light after midnight. Low 16.
Monday Rain ending in the morning then a mix of sun and cloud with 30 percent chance of showers. Risk of a thunderstorm in the morning and afternoon. Wind becoming north 30 km/h gusting to 50 in the afternoon. High 22. UV index 8 or very high.
Monday night Cloudy periods with 40 percent chance of showers. Low 8.
Tuesday Sunny. High 22.
Tuesday night Clear. Low 8.
Wednesday Sunny. High 23.
Wednesday night Cloudy periods. Low 10.
Thursday A mix of sun and cloud with 40 percent chance of showers. High 24.
Thursday night Cloudy periods with 30 percent chance of showers. Low 13.
Friday Cloudy with 60 percent chance of showers. High 22.
Friday night Cloudy with 60 percent chance of showers. Low 14.
Saturday Cloudy with 60 percent chance of showers. High 23.

Based on Environment Canada data

Castlegar
Region: West Kootenay

Issued: Sunday June 24, 2018 at 05:00 PDT

Today Mainly sunny. Wind becoming southwest 20 km/h this afternoon. High 30. Humidex 32. UV index 11 or extreme.
Tonight Clear. Increasing cloudiness after midnight. Wind southwest 20 km/h becoming light late this evening. Low 13.
Monday Showers ending near noon then mainly cloudy with 30 percent chance of showers. Risk of a thunderstorm in the morning and afternoon. Wind becoming west 20 km/h in the afternoon. High 23. UV index 7 or high.
Monday night Cloudy periods with 40 percent chance of showers. Low 9.
Tuesday Sunny. High 23.
Tuesday night Clear. Low 7.
Wednesday A mix of sun and cloud. High 24.
Wednesday night Cloudy with 30 percent chance of showers. Low 10.
Thursday Cloudy with 40 percent chance of showers. High 21.
Thursday night Cloudy periods with 30 percent chance of showers. Low 12.
Friday Cloudy with 60 percent chance of showers. High 21.
Friday night Cloudy with 60 percent chance of showers. Low 12.
Saturday Cloudy with 60 percent chance of showers. High 22.

Based on Environment Canada data

Highway 3 - Paulson Summit to Kootenay Pass
Region:

Issued:

Based on Environment Canada data

Creston
Region: Kootenay Lake

Issued: Sunday June 24, 2018 at 05:00 MST

Today Mainly sunny. High 28. Humidex 31. UV index 11 or extreme.
Tonight Clear. Increasing cloudiness after midnight. Low 16.
Monday Showers with risk of a thunderstorm. Amount 5 to 10 mm. Wind becoming south 20 km/h in the afternoon. High 23. UV index 4 or moderate.
Monday night Cloudy periods with 40 percent chance of showers. Low 11.
Tuesday Sunny. High 22.
Tuesday night Clear. Low 11.
Wednesday Sunny. High 23.
Wednesday night Cloudy. Low 11.
Thursday Cloudy with 40 percent chance of showers. High 20.
Thursday night Cloudy with 30 percent chance of showers. Low 11.
Friday Cloudy with 30 percent chance of showers. High 20.
Friday night Cloudy with 40 percent chance of showers. Low 11.
Saturday Cloudy with 60 percent chance of showers. High 20.

Based on Environment Canada data

Cranbrook
Region: East Kootenay - south including Cranbrook

Issued: Sunday June 24, 2018 at 05:00 MDT

Today A mix of sun and cloud. Wind becoming southeast 20 km/h near noon. High 27. Humidex 29. UV index 11 or extreme.
Tonight A few clouds. Wind southeast 20 km/h becoming light this evening. Low 13.
Monday A mix of sun and cloud. 60 percent chance of showers late in the morning and in the afternoon with risk of a thunderstorm. Wind becoming south 30 km/h near noon. High 22. UV index 10 or very high.
Monday night Cloudy periods with 30 percent chance of showers. Low 9.
Tuesday Sunny. High 20.
Tuesday night Clear. Low 8.
Wednesday Sunny. High 22.
Wednesday night Cloudy periods. Low 8.
Thursday Cloudy with 40 percent chance of showers. High 21.
Thursday night Cloudy periods. Low 11.
Friday Cloudy with 60 percent chance of showers. High 19.
Friday night Cloudy with 60 percent chance of showers. Low 11.
Saturday Cloudy with 60 percent chance of showers. High 19.

Based on Environment Canada data

Sparwood
Region: Elk Valley

Issued: Sunday June 24, 2018 at 05:00 MDT

Today Cloudy with 40 percent chance of showers this morning. Clearing this afternoon. Wind becoming south 20 km/h near noon. High 25. Humidex 27. UV index 9 or very high.
Tonight Clear. Wind south 20 km/h becoming light this evening. Low 9.
Monday Sunny. Becoming a mix of sun and cloud in the morning. Wind becoming south 30 km/h near noon. High 22. UV index 10 or very high.
Monday night Clear. Low 7.
Tuesday Sunny. High 18.
Tuesday night Clear. Low 6.
Wednesday Sunny. High 21.
Wednesday night Increasing cloudiness. Low plus 5.
Thursday Cloudy with 40 percent chance of showers. High 18.
Thursday night Cloudy. Low 10.
Friday Cloudy with 60 percent chance of showers. High 19.
Friday night Cloudy with 60 percent chance of showers. Low 10.
Saturday Cloudy with 60 percent chance of showers. High 18.

Based on Environment Canada data

Crowsnest
Region: Crowsnest Pass - Pincher Creek - Waterton Lakes Nat. Park

Issued: Sunday June 24, 2018 at 05:00 MDT

Today Mainly sunny. Wind west 30 km/h gusting to 50. High 25. Humidex 27. UV index 10 or very high.
Tonight A few clouds. Wind west 30 km/h gusting to 50. Low 10.
Monday Mainly sunny. Wind west 20 km/h gusting to 40 increasing to 50 gusting to 70 near noon. High 24. UV index 10 or very high.
Monday night Clear. Low 7.
Tuesday Sunny. High 19.
Tuesday night Clear. Low 7.
Wednesday Sunny. High 21.
Wednesday night Increasing cloudiness. Low 10.
Thursday Cloudy. High 19.
Thursday night Cloudy with 30 percent chance of showers. Low 9.
Friday Cloudy. High 19.
Friday night Cloudy with 60 percent chance of showers. Low 10.
Saturday Cloudy with 60 percent chance of showers. High 18.

Based on Environment Canada data