Hourly Weather Forecast - Thunder Bay, Ontario, CA

12 AM
8°F
0%
2mph
W
Partly Cloudy
Humidity
83%
Feels like
8°F
Dew Point
4°F
1 AM
9°F
0%
3mph
W
Mostly Cloudy
Humidity
83%
Feels like
9°F
Dew Point
5°F
2 AM
11°F
0%
3mph
WSW
Mostly Cloudy
Humidity
83%
Feels like
5°F
Dew Point
7°F
3 AM
14°F
0%
4mph
WSW
Cloudy
Humidity
83%
Feels like
7°F
Dew Point
10°F
4 AM
17°F
30%
5mph
WSW
30% Chance Freezing Rain
Humidity
84%
Feels like
9°F
Dew Point
13°F
5 AM
19°F
30%
6mph
SW
30% Chance Freezing Rain
Humidity
84%
Feels like
11°F
Dew Point
15°F
6 AM
21°F
30%
8mph
SSW
30% Chance Freezing Rain
Humidity
85%
Feels like
12°F
Dew Point
18°F
7 AM
23°F
30%
10mph
S
30% Chance Freezing Rain
Humidity
88%
Feels like
12°F
Dew Point
20°F
8 AM
23°F
30%
11mph
SSW
30% Chance Frozen Mix
Humidity
90%
Feels like
13°F
Dew Point
21°F
8:42 AM
9 AM
24°F
30%
11mph
SSW
30% Chance Frozen Mix
Humidity
88%
Feels like
13°F
Dew Point
21°F
10 AM
26°F
30%
11mph
SSW
30% Chance Frozen Mix
Humidity
85%
Feels like
15°F
Dew Point
22°F
11 AM
28°F
30%
11mph
SSW
30% Chance Freezing Rain
Humidity
82%
Feels like
18°F
Dew Point
23°F
12 PM
30°F
0%
11mph
SW
Mostly Cloudy
Humidity
78%
Feels like
21°F
Dew Point
24°F
1 PM
33°F
0%
10mph
SW
Mostly Cloudy
Humidity
74%
Feels like
24°F
Dew Point
25°F
2 PM
35°F
0%
10mph
SW
Partly Cloudy
Humidity
72%
Feels like
27°F
Dew Point
26°F
3 PM
36°F
0%
10mph
SW
Partly Cloudy
Humidity
71%
Feels like
29°F
Dew Point
28°F
4 PM
37°F
0%
10mph
WSW
Partly Cloudy
Humidity
72%
Feels like
30°F
Dew Point
29°F
5 PM
38°F
0%
10mph
WSW
Partly Cloudy
Humidity
72%
Feels like
31°F
Dew Point
30°F
5:02 PM
6 PM
36°F
0%
10mph
WSW
Partly Cloudy
Humidity
78%
Feels like
29°F
Dew Point
30°F
7 PM
33°F
30%
11mph
WSW
30% Chance Frozen Mix
Humidity
78%
Feels like
25°F
Dew Point
27°F
8 PM
30°F
30%
12mph
W
30% Chance Frozen Mix
Humidity
73%
Feels like
20°F
Dew Point
22°F
9 PM
27°F
30%
13mph
W
30% Chance of Snow
Humidity
69%
Feels like
16°F
Dew Point
18°F
10 PM
25°F
30%
15mph
W
30% Chance of Snow
Humidity
65%
Feels like
13°F
Dew Point
15°F
11 PM
24°F
20%
16mph
WNW
Cloudy
Humidity
65%
Feels like
11°F
Dew Point
14°F

Rainfall Totals Through Wednesday A.M.

Heavy Rain Returns to Deluge Pacific Northwest

Another atmospheric river will hit the Pacific Northwest with heavy rain and high winds.

Monday's Weather Outlook

Today's Weather Outlook

How to Measure Snow via NWS

How To Measure Snow

Weekly Drought Map for December 11, 2025

Hit-or-Miss Precipitation Leads to Mixed Drought Results

A person standing in a snowy forest with their back to the camera. They are bundled up in a white hat and a brown jacket. (Image by StockSnap from Pixabay)

Common Cold Weather Illnesses

A strong cold-air-damming event from March 20, 2018.

Cold Air Damming - Cause And Effects

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