| Extended weather forecast for Cornwall Ontario and the Seaway Valley
Issued by Environment Canada at 2030 utc Nov 13 2018
Tonight: Snow ending early this evening then mainly cloudy with 30 percent chance of flurries. Wind northwest 20 km/h gusting to 40 becoming light this evening. Low minus 9. Wind chill minus 7 in the evening and minus 16 overnight.
Wednesday: A mix of sun and cloud. Wind becoming northwest 20 km/h in the morning. High minus 4. Uv index 2 or low. Wind chill minus 17 in the morning and minus 8 in the afternoon.
Wednesday Night: Partly cloudy. Becoming clear in the evening. Wind up to 15 km/h. Low minus 10. Wind chill minus 10 in the evening and minus 15 overnight.
Thursday: Sunny. High minus 4.
Thursday Night: Periods of snow. Low minus 8.
Friday: Periods of snow. High minus 1.
Friday Night: Cloudy with 70 percent chance of flurries. Low minus 3.
Saturday: Cloudy. High zero.
Saturday Night: Clear. Low minus 9.
Sunday: Sunny. High minus 2.
Sunday Night: Cloudy periods. Low minus 5.
Monday: Cloudy. High minus 2.