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Thunder Bay (Thunder Bay), ON

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Latitude icon

48.408°

N
Longitude icon

89.240°

W
YELLOW WARNING - RAINFALL

Impact Level: Moderate

Forecast Confidence: High


Rain, heavy at times continues. The frozen ground has a reduced ability to absorb this rainfall. What: Rainfall amounts of 30 to 50 mm. When: Continuing until this evening. Additional Information: A cold front is bringing rain and a risk of thunderstorms to the area. This front will stall, causing rain to continue through the day. The cold front will move out of the area by evening, bringing an end to the rain. Water will likely pool on roads and in low-lying areas. Don't drive through flooded roadways. Watch for washouts near rivers, creeks and culverts. For information concerning flooding, please consult your local Conservation Authority or Ontario Ministry of Natural Resources office. Visit Ontario.ca/floods for the latest details. Please continue to monitor alerts and forecasts issued by Environment Canada. To report severe weather, send an email to ONstorm@ec.gc.ca or post reports on X using #ONStorm.

In effect for:

  • City of Thunder Bay

Light Rainshower

Light Rainshower

C

Air quality health index

Air quality health index icon
2
- Low Risk
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Tonight

Sunrise icon 6:50 AM EDTSunset icon 9:01 PM EDT

Temperature

Temperature

2

°C

Low

UV Index

UV index

3

Moderate

Precipitation

Precipitation

100

%
PoP

Rain

Rain

22.3

mm

Current conditions

Observed at 4:00 am EDT 2026-04-24 from:

Wind

Wind
Wind direction iconENE

28

km/h

Gusts

43

km/h

Visibility

Visibility

24.0

km

Very good visibility

Humidity

Humidity

86

%

Dew point

2

°C

Pressure

Pressure

100.3

kPa

Falling

4 AM
A few showers
4°C
Probability of precipitation 100%
5 AM
A few showers
5°C
Probability of precipitation 100%
6 AM
Rain at times heavy
4°C
Probability of precipitation 100%
7 AM
Periods of rain
4°C
Probability of precipitation 100%
Overnight
A few showers
5°C
Probability of precipitation 100%
Morning
Rain
4°C
Probability of precipitation 100%
Afternoon
Rain
7°C
Probability of precipitation 80%
Evening
Cloudy
9°C
Probability of precipitation <30%
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