Hourly Weather Forecast - Thunder Bay, Ontario, CA

12 AM
8°F
0%
3mph
NNW
Partly Cloudy
Humidity
78%
Feels like
2°F
Dew Point
3°F
1 AM
8°F
0%
3mph
NNW
Partly Cloudy
Humidity
80%
Feels like
2°F
Dew Point
3°F
2 AM
8°F
0%
3mph
NNW
Partly Cloudy
Humidity
80%
Feels like
8°F
Dew Point
4°F
3 AM
9°F
0%
3mph
NNW
Partly Cloudy
Humidity
80%
Feels like
9°F
Dew Point
4°F
4 AM
9°F
0%
3mph
NNW
Mostly Clear
Humidity
81%
Feels like
2°F
Dew Point
4°F
5 AM
9°F
0%
4mph
NNW
Mostly Clear
Humidity
81%
Feels like
2°F
Dew Point
4°F
6 AM
11°F
0%
4mph
NNW
Clear
Humidity
75%
Feels like
4°F
Dew Point
5°F
7 AM
13°F
0%
4mph
NNW
Clear
Humidity
71%
Feels like
6°F
Dew Point
6°F
8 AM
15°F
0%
4mph
N
Mostly Clear
Humidity
70%
Feels like
9°F
Dew Point
7°F
8:46 AM
9 AM
15°F
0%
4mph
NNE
Partly Cloudy
Humidity
74%
Feels like
9°F
Dew Point
9°F
10 AM
16°F
0%
4mph
NE
Partly Cloudy
Humidity
78%
Feels like
11°F
Dew Point
11°F
11 AM
18°F
0%
4mph
ENE
Partly Cloudy
Humidity
81%
Feels like
13°F
Dew Point
13°F
12 PM
20°F
0%
4mph
E
Mostly Cloudy
Humidity
81%
Feels like
15°F
Dew Point
15°F
1 PM
22°F
0%
4mph
E
Cloudy
Humidity
79%
Feels like
17°F
Dew Point
16°F
2 PM
23°F
0%
4mph
E
Cloudy
Humidity
78%
Feels like
18°F
Dew Point
17°F
3 PM
24°F
0%
4mph
E
Cloudy
Humidity
79%
Feels like
18°F
Dew Point
19°F
4 PM
24°F
0%
4mph
E
Cloudy
Humidity
82%
Feels like
18°F
Dew Point
19°F
5 PM
23°F
0%
5mph
E
Cloudy
Humidity
84%
Feels like
17°F
Dew Point
19°F
5:04 PM
6 PM
23°F
0%
5mph
E
Cloudy
Humidity
85%
Feels like
16°F
Dew Point
19°F
7 PM
23°F
10%
6mph
E
Cloudy
Humidity
87%
Feels like
16°F
Dew Point
20°F
8 PM
24°F
10%
6mph
E
Cloudy
Humidity
89%
Feels like
16°F
Dew Point
21°F
9 PM
24°F
20%
7mph
E
Cloudy
Humidity
92%
Feels like
16°F
Dew Point
22°F
10 PM
24°F
30%
7mph
ESE
30% Chance Frozen Mix
Humidity
92%
Feels like
16°F
Dew Point
22°F
11 PM
24°F
40%
7mph
ESE
40% Chance Frozen Mix
Humidity
91%
Feels like
16°F
Dew Point
21°F

Rain And Snow Totals Through Monday

Atmospheric River Takes Aim For Northern California

The plume of abundant moisture impacting the Northwest the last several days will focus more on Northern California later today into Monday bringing heavy rainfall and mountain snow.

NOAA, NCDC

White Christmas? What Are The Odds

Sunday's Weather Outlook

Sunday's Weather Outlook

Cold weather

During Extreme Cold: Watch for Frostbite!

Flu Update Valid For Week Ending December 13, 2025

Weekly Flu Update: Flu Spreading Hard Across U.S.

Watch vs. Warning

Flash Flood Watch and Warning Defined

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