Language selection

Hourly Forecast - Thunder Bay

HEAT WARNING

A heat event is expected to begin Saturday and continue into Sunday. Maximum daytime temperatures of near 30 degrees Celsius are expected, with humidex values approaching 37. Overnight minimum temperatures will be 17 to 20 degrees Celsius. At this time, a cooler and less humid airmass is expected to arrive Sunday night. Extreme heat can affect everyone’s health. The health risks are greater for older adults, infants and young children, pregnant people, people with physical and/or mental illnesses, and people with disabilities or mobility issues. Never leave people, particularly children, or pets inside a parked vehicle. Please continue to monitor alerts and forecasts issued by Environment Canada. To report severe weather, send an email to ONstorm@ec.gc.ca or tweet reports using #ONStorm.

In effect for:
  • City of Thunder Bay
Date/Time
(EDT)
Temp.
(°C)
Weather ConditionsLikelihood of precip (%) Wind
(km/h)
Humidex
26 July 2024
23:00 20 Clear

Clear

0SW 10
*
27 July 2024
00:00 19 Clear

Clear

0SW 10
*
01:00 19 Clear

Clear

0SW 10
*
02:00 18 Clear

Clear

0S 10
*
03:00 18 Clear

Clear

0S 10
*
04:00 17 A few clouds

A few clouds

20S 10
*
05:00 17 A few clouds

A few clouds

20S 10
*
06:00 18 A mix of sun and cloud

A mix of sun and cloud

20S 10
*
07:00 18 A mix of sun and cloud

A mix of sun and cloud

20VR 5
*
08:00 19 Mainly cloudy

Mainly cloudy

20VR 5
*
09:00 21 Mainly cloudy

Mainly cloudy

20VR 5
27
10:00 24 Mainly cloudy

Mainly cloudy

20S 20
31
11:00 26 A mix of sun and cloud

A mix of sun and cloud

20S 15
33
12:00 27 Mainly sunny

Mainly sunny

20S 20
34
13:00 28 Mainly sunny

Mainly sunny

20S 20
35
14:00 29 Sunny

Sunny

20S 20
gusts 40
36
15:00 29 Sunny

Sunny

20S 30
gusts 50
36
16:00 30 Sunny

Sunny

20S 30
gusts 50
38
17:00 30 Sunny

Sunny

20SW 30
gusts 50
38
18:00 29 Chance of showers. Risk of thunderstorms

Chance of showers. Risk of thunderstorms

30SW 30
gusts 50
37
19:00 29 Chance of showers. Risk of thunderstorms

Chance of showers. Risk of thunderstorms

30SW 30
gusts 50
37
20:00 28 Chance of showers. Risk of thunderstorms

Chance of showers. Risk of thunderstorms

30SW 20
gusts 40
36
21:00 26 Chance of showers. Risk of thunderstorms

Chance of showers. Risk of thunderstorms

30NW 10
33
22:00 25 Chance of showers. Risk of thunderstorms

Chance of showers. Risk of thunderstorms

30VR 5
32

* Value not significant

Features

New Predicting and Alerting Coastal Flooding Program

Find out about coastal flooding coverage, forecasts and warnings in your region

Date modified: